/* =========================================================
   BUILD SMART HOMES — HOMEPAGE FOUNDATION
   Clean structure: HOME / ABOUT / SERVICES / SUSTAINABILITY
   Desktop + responsive
   Removed: Packages / Research / Warranty / Contact
   ========================================================= */

/* =========================================================
   01 — GLOBAL FOUNDATION
   ========================================================= */

:root {
  --primary: #1F4D3D;
  --primary-dark: #17392E;
  --primary-soft: #EAF2EE;
  --accent: #C89B3C;
  --accent-dark: #A77D28;
  --text: #1F2933;
  --text-soft: #5F6B75;
  --white: #FFFFFF;
  --bg: #FAFAF7;
  --bg-soft: #F2F5F1;
  --border: #E2E7E3;
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: 90%;
  max-width: 1120px;
  margin: 0 auto;
}

section[id] {
  scroll-margin-top: 100px;
}

:focus-visible {
  outline: 3px solid rgba(200, 155, 60, 0.65);
  outline-offset: 4px;
}


/* =========================================================
   02 — HEADER
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(226, 231, 227, 0.8);
  backdrop-filter: blur(12px);
}

.nav-container {
  min-height: 96px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  width: auto;
  height: 50px;
  object-fit: contain;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 25px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.18s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 4px;
}

.header-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;

    min-height: 40px;
    padding: 0 13px;

    border-radius: 8px;

    font-size: 12px;
    font-weight: 600;

    text-decoration: none;
    white-space: nowrap;

    box-shadow: 0 6px 18px rgba(25, 45, 38, 0.07);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.header-actions a:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(25, 45, 38, 0.10);
}

.header-actions svg {
    width: 17px;
    height: 17px;

    flex: 0 0 17px;

    display: block;

    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.header-call {
    color: #ffffff;
    background: var(--primary);
}

.header-whatsapp {
    color: #ffffff;
    background: #25D366;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 9px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--primary);
}


/* =========================================================
   03 — HOME
   ========================================================= */

/* Hero */

.hero {
  overflow: hidden;
  padding: 82px 0 68px;
  background:
    radial-gradient(circle at 88% 15%, rgba(200, 155, 60, 0.10), transparent 28%),
    linear-gradient(180deg, #FBFCF9 0%, #F7F8F4 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 74px;
}

.hero-content {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--text);
  font-family: "Playfair Display", serif;
  font-size: clamp(58px, 6vw, 82px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.hero-supporting-line {
  margin: 25px 0 16px;
  color: var(--primary);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.hero-description {
  max-width: 560px;
  margin: 0;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 27px;
  border: 1.5px solid transparent;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
              background 0.18s ease, color 0.18s ease;
}

.btn-primary {
  color: #fff;
  background: var(--primary);
  border: 1px solid var(--primary);
  box-shadow: 0 3px 8px rgba(31, 77, 61, 0.10);
}

.btn-secondary {
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--primary);
  box-shadow: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(25, 45, 38, 0.12);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 5px 12px rgba(31, 77, 61, 0.14);
}

.btn-secondary:hover {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 3px 8px rgba(31, 77, 61, 0.08);
}

.hero-trust-text {
  margin: 19px 0 0;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 500;
}

.hero-image {
  overflow: hidden;
  border: 1px solid #e1e5e2;
  border-radius: 25px;
  background: #E7ECE8;
  box-shadow: 0 4px 12px rgba(25, 45, 38, 0.06);
}

.hero-image img {
  width: 100%;
  aspect-ratio: 1.18 / 1;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image:hover img {
  transform: scale(1.018);
}

/* Trust bar */

.trust-section {
  padding: 0 0 34px;
  background: #F7F8F4;
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  background: #fff;
  border: 1px solid #e5e8e6;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(25, 45, 38, 0.05);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 96px;
  padding: 18px 22px;
  border-right: 1px solid var(--border);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-soft);
  font-size: 19px;
}

.trust-item strong,
.trust-item div > span {
  display: block;
}

.trust-item strong {
  color: var(--text);
  font-size: 13px;
  line-height: 1.35;
}

.trust-item div > span {
  margin-top: 3px;
  color: var(--text-soft);
  font-size: 10px;
  line-height: 1.4;
}

/* Why families choose Build Smart */

.why-section {
  padding: 108px 0 70px;
  background: var(--white);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 54px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  color: var(--text);
  font-family: "Playfair Display", serif;
  font-size: clamp(38px, 4.5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.section-intro {
  max-width: 680px;
  margin: 18px auto 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.why-card {
  min-height: 300px;
  padding: 30px 26px;
  border: 1px solid #E1E5E2;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(25, 45, 38, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease,
              border-color 0.18s ease;
}

.why-card:hover {
  transform: translateY(-3px);
  border-color: #D5DDD8;
  box-shadow: 0 6px 16px rgba(25, 45, 38, 0.08);
}

.why-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: var(--primary-soft);
  font-size: 23px;
}

.why-card h3 {
  min-height: 49px;
  margin: 0 0 12px;
  color: var(--text);
  font-size: 18px;
}

.why-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.75;
}


/* =========================================================
   04 — ABOUT
   ========================================================= */

/* Opening */

.about-intro-section {
  padding: 105px 0 75px;
  background: #f7f8f5;
}

.about-intro-section .section-heading {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-intro-section .section-kicker {
  margin-bottom: 18px;
}

.about-intro-section h2 {
  margin: 0 0 25px;
  color: #202b34;
  font-family: "Playfair Display", serif;
  font-size: clamp(48px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
}

.about-intro-section .section-intro {
  max-width: 760px;
  margin: 0 auto;
  color: #68736f;
  line-height: 1.75;
}

/* Purpose */

.about-purpose-content {
  padding: 75px 0 85px;
}

.about-purpose-content p:not(.section-kicker),
.about-responsibility-content p:not(.section-kicker) {
  max-width: 950px;
}

/* Beliefs */

.about-beliefs-section {
  padding: 110px 0 120px;
  background: #f3f5f1;
}

.beliefs-intro {
  max-width: 900px;
  margin: 0 auto 70px;
  text-align: center;
}

.beliefs-intro .section-kicker {
  margin-bottom: 18px;
}

.beliefs-intro h2 {
  margin: 0 0 22px;
  color: #202b34;
  font-family: "Playfair Display", serif;
  font-size: clamp(44px, 5vw, 64px);
  line-height: 1.12;
}

.beliefs-intro p:last-child {
  max-width: 720px;
  margin: 0 auto;
  color: #68736f;
  line-height: 1.75;
}

.beliefs-list {
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid #d5dbd6;
}

.belief-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 35px;
  padding: 34px 0;
  border-bottom: 1px solid #d5dbd6;
}

.belief-number {
  padding-top: 4px;
  color: #9b7b32;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.belief-item h3 {
  margin: 0 0 10px;
  color: #202b34;
  font-size: 24px;
}

.belief-item p {
  max-width: 780px;
  margin: 0;
  color: #68736f;
  line-height: 1.7;
}

/* Responsibility */

.about-responsibility-content {
  padding: 75px 0 85px;
}

/* How we work */

.about-process-section {
  padding: 110px 0 120px;
  background: #f7f8f5;
}

.process-heading {
  max-width: 1200px;
  margin: 0 auto 70px;
  text-align: left;
}

.process-heading .section-kicker {
  margin-bottom: 18px;
}

.process-heading h2 {
  margin-bottom: 22px;
}

.process-heading .section-intro {
  max-width: 720px;
  margin: 0;
}

.process-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 55px;
  row-gap: 70px;
  max-width: 1200px;
  margin: 0 auto;
}

.process-flow::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: #cfd8d2;
}

.process-step {
  position: relative;
  z-index: 1;
  padding-top: 58px;
}

.process-number {
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #cfd8d2;
  border-radius: 50%;
  background: #f7f8f5;
  color: #9b7b32;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.process-step h3 {
  margin: 0 0 14px;
  font-size: 22px;
}

.process-step p {
  max-width: 300px;
  margin: 0;
  color: #66716c;
  line-height: 1.7;
}

.process-step:nth-child(n + 4) {
  padding-top: 58px;
}

.process-step:nth-child(4)::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 28px;
  width: calc(300% - 10px);
  height: 1px;
  background: #cfd8d2;
  z-index: 0;
}


/* =========================================================
   05 — SERVICES
   ========================================================= */

.services-section {
  position: relative;
  padding: 120px 0 30px;
  background: #f7f8f5;
}

.services-intro {
  max-width: 900px;
  margin: 0 auto 90px;
  text-align: center;
}

.services-intro .section-kicker {
  margin-bottom: 18px;
}

.services-intro h2 {
  margin: 0 0 22px;
  font-size: 48px;
  line-height: 1.1;
}

.services-intro .section-intro {
  max-width: 720px;
  margin: 0 auto;
  color: #66716c;
  line-height: 1.7;
}

.residential-services-flow {
  max-width: 1120px;
  margin: 0 auto;
}

.residential-service {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
  min-height: auto;
  padding: 70px 0 20px;
  border-top: 1px solid #d7ddd8;
}

.service-content {
  max-width: 500px;
}

.service-number {
  display: block;
  margin-bottom: 20px;
  color: #9b7b32;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.service-content h3 {
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.2;
}

.service-lead {
  margin: 0 0 18px;
  color: #26352f;
  font-size: 19px;
  line-height: 1.55;
}

.service-content > p:not(.service-lead) {
  margin: 0;
  color: #66716c;
  line-height: 1.75;
}

.service-visual-space {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid #d7ddd8;
  background: #eef1ed;
}

.service-visual-space img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.service-left .service-content {
  order: 1;
}

.service-left .service-visual-space {
  order: 2;
}

.service-right .service-visual-space {
  order: 1;
}

.service-right .service-content {
  order: 2;
}

.service-details {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
}

.service-details span {
  position: relative;
  color: #53605b;
  font-size: 14px;
}

.service-details span:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -14px;
  color: #9b7b32;
}


.service-highlights {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.service-highlights > div {
  padding: 18px 20px;
  border-left: 2px solid #9b7b32;
  background: #eef1ed;
}

.service-highlights strong {
  display: block;
  margin-bottom: 5px;
  color: #20332d;
  font-size: 16px;
}

.service-highlights span {
  display: block;
  color: #66716c;
  font-size: 13px;
  line-height: 1.5;
}


/* =========================================================
   ADDITIONAL ASSISTANCE
   ========================================================= */

.additional-assistance {
    margin-top: 58px;
    padding: 42px 0 0;
    border-top: 1px solid #dfe4df;
}


.additional-assistance-heading {
    margin-bottom: 30px;
}


.additional-assistance-heading .service-number {
    display: block;

    margin-bottom: 12px;

    color: #b08a3c;

    font-size: 12px;
    font-weight: 700;

    letter-spacing: 0.16em;
}


.additional-assistance-heading h3 {
    margin: 0 0 10px;

    color: #202b34;

    font-size: 25px;
    line-height: 1.25;
}


.additional-assistance-heading p {
    margin: 0;

    color: #68736f;

    font-size: 15px;
    line-height: 1.7;
}

/* ---------------------------------------------------------
   ASSISTANCE ITEMS
   --------------------------------------------------------- */

.additional-assistance-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 20px;

    margin-bottom: 26px;
}


.assistance-item {
    padding: 24px 26px;

    background: #ffffff;

    border: 1px solid #dfe4df;

    border-radius: 14px;
}


.assistance-item h4 {
    margin: 0 0 10px;

    color: #202b34;

    font-size: 17px;
    line-height: 1.35;
}


.assistance-item p {
    margin: 0;

    color: #68736f;

    font-size: 14px;
    line-height: 1.7;
}


/* ---------------------------------------------------------
   ASSISTANCE CTA
   --------------------------------------------------------- */

.assistance-cta {
    display: inline-flex;

    align-items: center;

    padding: 12px 0;

    color: #1f4d3d;

    font-size: 14px;
    font-weight: 600;

    text-decoration: none;

    border-bottom: 1px solid #1f4d3d;

    transition:
        color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}


.assistance-cta:hover {
    color: #173c30;

    border-color: #173c30;

    transform: translateX(3px);
}

.additional-assistance-cta {
    display: block;
    width: fit-content;
    margin: 22px auto 0;
}

/* =========================================================
   ADDITIONAL ASSISTANCE — MOBILE
   ========================================================= */

@media (max-width: 600px) {

    .additional-assistance {
        margin-top: 42px;
        padding-top: 34px;
    }


    .additional-assistance-heading {
        margin-bottom: 24px;
    }


    .additional-assistance-heading h3 {
        font-size: 22px;
    }


    .additional-assistance-heading p {
        font-size: 14px;
    }


    .additional-assistance-grid {
        grid-template-columns: 1fr;

        gap: 12px;

        margin-bottom: 22px;
    }


    .assistance-item {
        padding: 20px 18px;
    }


    .assistance-item h4 {
        font-size: 16px;
    }


    .assistance-item p {
        font-size: 14px;
    }

}
@media (max-width: 600px) {

    .header-actions {
        gap: 6px;
        margin-left: auto;
    }

    .header-actions a {
        min-height: 38px;
        padding: 0 10px;
        gap: 5px;
        font-size: 11px;
    }

    .header-actions svg {
        width: 16px;
        height: 16px;
        flex-basis: 16px;
    }

}

/* =========================================================
   06 — SERVICES → SUSTAINABILITY TRANSITION
   ========================================================= */

.section-transition {
  width: min(1120px, 90%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 42px 0;
}

.section-transition-line {
  flex: 1;
  height: 1px;
  background: #d7c98f;
}

.section-transition-mark {
  width: 46px;
  height: 46px;
  margin: 0 18px;
  border: 1px solid #c8a84e;
  border-radius: 50%;
  background: #f7f8f5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-transition-leaf {
  display: block;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  fill: none;
  stroke: #527345;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}


/* =========================================================
   07 — SMART SUSTAINABILITY
   ========================================================= */

.sustainability-section {
  padding: 80px 0 130px;
  background: #f7f8f5;
}

.sustainability-intro {
  max-width: 980px;
  margin: 0 auto 70px;
  text-align: center;
}

.sustainability-intro .section-kicker {
  margin-bottom: 18px;
}

.sustainability-intro h2 {
  max-width: 850px;
  margin: 0 auto 24px;
  font-size: 52px;
  line-height: 1.1;
}

.sustainability-intro .section-intro {
  max-width: 760px;
  margin: 0 auto;
  color: #66716c;
  line-height: 1.75;
}

/* Slider */

.sustainability-slider {
  position: relative;
  width: 100%;
  margin: 50px auto 70px;
  overflow: hidden;
}

.sustainability-slide {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  width: 100%;
}

.sustainability-slide.active {
  display: grid;
}

.sustainability-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #d7ddd8;
  border-radius: 2px;
}

.sustainability-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f3f5f3;
}

.sustainability-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.sustainability-card-content {
  padding: 12px 20px 14px;
}

.sustainability-card-number {
  display: block;
  margin-bottom: 8px;
  color: #9b7b32;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.sustainability-card-content h3 {
  margin: 0 0 7px;
  color: #18252d;
  font-size: 18px;
  line-height: 1.3;
}

.sustainability-card-content p {
  margin: 0;
  color: #66716f;
  font-size: 12px;
  line-height: 1.6;
}

.sustainability-slider-prev,
.sustainability-slider-next {
  position: absolute;
  top: 45%;
  z-index: 5;
  width: 42px;
  height: 42px;
  border: 1px solid #d7ddd8;
  border-radius: 50%;
  background: #fff;
  color: #26352f;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
  transition: background 0.2s ease, color 0.2s ease,
              transform 0.2s ease;
}

.sustainability-slider-prev {
  left: 14px;
}

.sustainability-slider-next {
  right: 14px;
}

.sustainability-slider-prev:hover,
.sustainability-slider-next:hover {
  background: #1d5544;
  color: #fff;
  transform: translateY(-1px);
}

.sustainability-slider-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 25px;
}

.sustainability-slider-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #cfd6d2;
  cursor: pointer;
}

.sustainability-slider-dots button.active {
  width: 24px;
  border-radius: 10px;
  background: #1d5544;
}

/* Principles */

.sustainability-principles {
  max-width: 1120px;
  margin: 0 auto;
}

.sustainability-principle {
  display: grid;
  grid-template-columns: 80px 1fr 1.35fr;
  gap: 35px;
  align-items: start;
  padding: 42px 0;
  border-top: 1px solid #d7ddd8;
}

.sustainability-content {
  display: contents;
}

.sustainability-number {
  grid-column: 1;
  grid-row: 1 / span 2;
  color: #9b7b32;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.sustainability-content h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.3;
}

.sustainability-lead {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  color: #26352f;
  font-size: 17px;
  line-height: 1.55;
}

.sustainability-content > p:last-child {
  grid-column: 3;
  grid-row: 1 / span 2;
  max-width: 540px;
  margin: 0;
  color: #66716c;
  line-height: 1.75;
}

/* Closing statement */

.sustainability-closing {
  max-width: 900px;
  margin: 75px auto 0;
  padding-top: 45px;
  border-top: 1px solid #d7ddd8;
  text-align: center;
}

.sustainability-closing p {
  margin: 0;
  color: #26352f;
  font-size: 22px;
  line-height: 1.6;
}


/* =========================================================
   08 — RESPONSIVE
   ========================================================= */

/* Tablet / small desktop */

@media (max-width: 900px) {

  .container {
    width: 92%;
  }

  /* Header */
  .nav-container {
    min-height: 82px;
  }

  .logo img {
    height: 62px;
  }

  .main-nav ul {
    gap: 16px;
  }

  .header-actions a {
    padding: 0 13px;
  }

  /* Home */
  .hero {
    padding: 65px 0 55px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .hero-content {
    max-width: 700px;
  }

  .hero h1 {
    font-size: clamp(48px, 8vw, 68px);
  }

  .trust-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item:nth-child(2) {
    border-right: 0;
  }

  .trust-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }

  .why-section {
    padding: 85px 0 65px;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* About */
  .about-purpose-content,
  .about-responsibility-content {
    padding: 60px 0 70px;
  }

  .about-purpose-content p:not(.section-kicker),
  .about-responsibility-content p:not(.section-kicker) {
    max-width: none;
  }

  .about-beliefs-section {
    padding: 80px 0 90px;
  }

  .beliefs-intro {
    margin-bottom: 50px;
  }

  .about-process-section {
    padding: 80px 0 90px;
  }

  .process-heading {
    margin-bottom: 55px;
  }

  .process-flow {
    grid-template-columns: 1fr;
    row-gap: 45px;
    padding-left: 28px;
  }

  .process-flow::before {
    top: 28px;
    bottom: 28px;
    left: 55px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .process-step {
    padding: 0 0 0 65px;
  }

  .process-step:nth-child(n + 4) {
    padding-top: 0;
  }

  .process-step:nth-child(4)::before {
    display: none;
  }

  .process-step p {
    max-width: none;
  }

  /* Services */
  .services-section {
    padding: 85px 0 30px;
  }

  .services-intro {
    margin-bottom: 55px;
    padding: 0 20px;
  }

  .services-intro h2 {
    font-size: 38px;
  }

  .residential-services-flow {
    padding: 0 20px;
  }

  .residential-service {
    grid-template-columns: 1fr;
    gap: 35px;
    min-height: auto;
    padding: 55px 0;
  }

  .service-content {
    max-width: none;
  }

  .service-visual-space {
    order: 2 !important;
  }

  .service-left .service-content,
  .service-right .service-content {
    order: 1;
  }

  .service-content h3 {
    font-size: 26px;
  }

  .service-lead {
    font-size: 18px;
  }

  /* Sustainability */
  .sustainability-section {
    padding: 65px 0 100px;
  }

  .sustainability-intro h2 {
    font-size: 44px;
  }

  .sustainability-principle {
    grid-template-columns: 50px 1fr;
    gap: 18px;
    padding: 32px 0;
  }

  .sustainability-content {
    display: block;
  }

  .sustainability-number {
    grid-column: 1;
    grid-row: 1;
  }

  .sustainability-content h3 {
    grid-column: auto;
    grid-row: auto;
    margin: 0 0 8px;
    font-size: 21px;
  }

  .sustainability-lead {
    grid-column: auto;
    grid-row: auto;
    margin: 0 0 12px;
    font-size: 16px;
  }

  .sustainability-content > p:last-child {
    grid-column: auto;
    grid-row: auto;
    max-width: none;
    margin: 0;
  }

  .section-transition {
    padding: 30px 0;
  }
}


/* Mobile */

@media (max-width: 700px) {

  .container {
    width: 90%;
  }

  /* Header */
  .nav-container {
    min-height: 74px;
  }

  .logo img {
    height: 56px;
  }

  .main-nav {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .header-actions a {
    min-height: 40px;
    padding: 0 11px;
    font-size: 11px;
  }

  .menu-toggle {
    display: block;
  }

  /* Home */
  .hero {
    padding: 50px 0 45px;
  }

  .hero-grid {
    gap: 32px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-supporting-line {
    font-size: 18px;
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero-image {
    border-radius: 18px;
  }

  .trust-section {
    padding-bottom: 24px;
  }

  .trust-bar {
    grid-template-columns: 1fr;
    border-radius: 14px;
  }

  .trust-item {
    min-height: 78px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .why-section {
    padding: 70px 0 55px;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .why-card {
    min-height: auto;
  }

  /* About */
  .about-intro-section {
    padding: 75px 0 55px;
  }

  .about-intro-section h2 {
    font-size: clamp(42px, 11vw, 56px);
  }

  .beliefs-intro h2 {
    font-size: clamp(38px, 10vw, 50px);
  }

  .belief-item {
    grid-template-columns: 55px 1fr;
    gap: 18px;
    padding: 28px 0;
  }

  .belief-item h3 {
    font-size: 21px;
  }

  .process-heading {
    text-align: left;
  }

  /* Services */
  .services-section {
    padding: 75px 0 30px;
  }

  .services-intro {
    padding: 0 18px;
  }

  .services-intro h2 {
    font-size: 34px;
  }

  .services-intro .section-intro {
    font-size: 15px;
  }

  .residential-services-flow {
    padding: 0 18px;
  }

  .residential-service {
    gap: 28px;
    padding: 48px 0;
  }

  .service-visual-space {
    min-height: 0;
  }

  .service-content h3 {
    font-size: 24px;
  }

  .service-lead {
    font-size: 17px;
  }

  .service-content > p:not(.service-lead) {
    font-size: 15px;
  }

  .service-details {
    display: block;
    margin-top: 24px;
  }

  .service-details span {
    display: block;
    margin-bottom: 9px;
  }

  .service-details span::after {
    display: none;
  }

  .service-highlights > div {
    padding: 16px 18px;
  }

  /* Transition */
  .section-transition {
    width: 88%;
    padding: 22px 0;
  }

  .section-transition-mark {
    width: 38px;
    height: 38px;
    margin: 0 12px;
  }

  .section-transition-leaf {
    width: 23px;
    height: 23px;
  }

  /* Sustainability */
  .sustainability-section {
    padding: 45px 0 80px;
  }

  .sustainability-intro {
    margin-bottom: 45px;
  }

  .sustainability-intro h2 {
    font-size: clamp(36px, 9vw, 48px);
  }

  .sustainability-slider {
    margin: 35px auto 55px;
  }

  .sustainability-slide {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sustainability-card-content {
    padding: 16px 20px 18px;
  }

  .sustainability-card-content h3 {
    font-size: 18px;
  }

  .sustainability-card-content p {
    font-size: 12px;
  }

  .sustainability-slider-prev,
  .sustainability-slider-next {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .sustainability-slider-prev {
    left: 8px;
  }

  .sustainability-slider-next {
    right: 8px;
  }

  .sustainability-principle {
    grid-template-columns: 45px 1fr;
    gap: 14px;
    padding: 28px 0;
  }

  .sustainability-content h3 {
    font-size: 20px;
  }

  .sustainability-lead {
    font-size: 15px;
  }

  .sustainability-closing {
    margin-top: 55px;
    padding-top: 32px;
  }

  .sustainability-closing p {
    font-size: 19px;
  }
}
@media (max-width: 700px) {
  .wg-talk-line {
    display: block;
  }
}

/* Very small phones */

@media (max-width: 560px) {

  .hero h1 {
    font-size: 42px;
  }

  .trust-item {
    padding: 16px 18px;
  }

  .section-transition-mark {
    width: 36px;
    height: 36px;
    margin: 0 10px;
  }

  .section-transition-leaf {
    width: 22px;
    height: 22px;
  }
}
/* =========================================================
   BSH — FINAL SECTION SPACING SYSTEM
   Home → About → Services → Sustainability
   Add this block at the VERY END of style.css
   ========================================================= */


/* ---------------------------------------------------------
   HOME — HERO BUTTONS
   --------------------------------------------------------- */

.hero-buttons {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 14px;
    margin-top: 30px;
}

.hero-buttons .btn {
    width: auto;
    flex: 0 0 auto;
}


/* ---------------------------------------------------------
   ABOUT — OPENING
   --------------------------------------------------------- */

.about-intro-section {
    padding: 60px 0 50px;
}

.about-intro-section .section-heading {
    margin-bottom: 0;
}


/* ---------------------------------------------------------
   ABOUT — WHY WE CHOSE RESIDENTIAL
   --------------------------------------------------------- */

.about-purpose-content {
    padding: 15px 0 25px;
}


/* ---------------------------------------------------------
   ABOUT — RESPONSIBILITY
   --------------------------------------------------------- */

.about-responsibility-section {
    padding: 20px 0 30px;
}

.about-responsibility-content {
    padding: 0;
}


/* ---------------------------------------------------------
   ABOUT — HOW WE WORK
   --------------------------------------------------------- */

.about-process-section {
    padding: 45px 0 78px;
}

.process-heading {
    margin-bottom: 52px;
}

.process-flow {
    row-gap: 48px;
}


/* ---------------------------------------------------------
   ABOUT — WHAT WE BELIEVE
   --------------------------------------------------------- */

.about-beliefs-section {
    padding: 72px 0 78px;
}

.beliefs-intro {
    margin-bottom: 52px;
}


/* ---------------------------------------------------------
   SERVICES
   --------------------------------------------------------- */

.services-section {
    padding: 76px 0 82px;
}

.services-intro {
    margin-bottom: 58px;
}

.residential-service {
    min-height: 400px;
    padding: 52px 0;
}


/* ---------------------------------------------------------
   SERVICES → SUSTAINABILITY TRANSITION
   --------------------------------------------------------- */

.section-transition {
    padding: 30px 0;
}


/* ---------------------------------------------------------
   SUSTAINABILITY
   --------------------------------------------------------- */

.sustainability-section {
    padding: 76px 0 82px;
}

.sustainability-intro {
    margin-bottom: 58px;
}


/* Sustainability closing statement */

.sustainability-closing {
    margin-top: 52px;ile
    padding-top: 32px;
}

.sustainability-closing p {
    margin: 0;
}


/* ---------------------------------------------------------
   BACK TO TOP
   --------------------------------------------------------- */

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;

    width: 46px;
    height: 46px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid #d9e1dc;
    border-radius: 50%;

    background: #ffffff;
    color: #1f4d3d;

    font-size: 22px;
    font-weight: 600;
    line-height: 1;

    text-decoration: none;
    cursor: pointer;

    box-shadow: 0 3px 10px rgba(31, 77, 61, 0.10);

    z-index: 999;

    /* Hidden until user scrolls */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateY(10px);

    transition:
        opacity 0.25s ease,
        visibility 0.25s ease,
        transform 0.25s ease,
        background 0.25s ease,
        color 0.25s ease;
}


/* Show after scrolling */

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    transform: translateY(0);
}


/* Hover */

.back-to-top:hover {
    background: #1f4d3d;
    color: #ffffff;
}


/* Mobile */

@media (max-width: 600px) {

    .back-to-top {
        right: 16px;
        bottom: 16px;

        width: 42px;
        height: 42px;

        font-size: 20px;
    }

}

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 900px) {

    /* Hero */

    .hero-buttons {
        flex-wrap: wrap;
    }


    /* About */

    .about-intro-section {
        padding: 62px 0 52px;
    }

    .about-purpose-content {
        padding: 50px 0 58px;
    }

    .about-responsibility-section {
        padding: 50px 0 58px;
    }

    .about-process-section {
        padding: 62px 0 68px;
    }

    .about-beliefs-section {
        padding: 62px 0 68px;
    }


    /* Services */

    .services-section {
        padding: 64px 0 70px;
    }

    .services-intro {
        margin-bottom: 48px;
    }

    .residential-service {
        padding: 44px 0;
    }


    /* Sustainability */

    .sustainability-section {
        padding: 64px 0 70px;
    }

    .sustainability-intro {
        margin-bottom: 48px;
    }

    .sustainability-closing {
        margin-top: 44px;
        padding-top: 28px;
    }
}


/* =========================================================
   BASE STYLES — BUILD OPTIONS
   ========================================================= */

.build-options-section {
    padding: 100px 0 110px;
    background: var(--bg-soft);
}

.build-options-heading {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
}

.build-options-heading .section-kicker {
    margin-bottom: 18px;
}

.build-options-heading h2 {
    margin: 0 0 22px;
}

.build-options-pricing {
    margin: 0 auto 16px;
    color: var(--text);
}

.build-options-intro {
    max-width: 760px;
    margin: 0 auto;
    color: var(--text-soft);
    line-height: 1.75;
}

.build-options-compare-note {
    margin: 28px 0 0;
    color: var(--primary);
    font-weight: 600;
}

/* Build Options Grid */
.build-options-grid {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

/* Individual Option */
.build-option {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 500px;
    padding: 38px 36px 32px;
    background: var(--white);
    border: 1px solid var(--border);
}

/* Recommended Option */
.build-option-featured {
    border-color: var(--accent);
}

/* Recommended badge */
.build-option-badge {
    position: absolute;
    top: 0;
    right: 28px;
    padding: 7px 12px;
    background: var(--accent);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

/* Header */
.build-option-header {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.build-option-number {
    margin: 0 0 18px;
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.build-option-header h3 {
    margin: 0 0 18px;
    font-size: 28px;
}

.build-option-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin: 0;
}

.build-option-price strong {
    font-size: 28px;
    color: var(--primary-dark);
}

.build-option-price span {
    color: var(--text-soft);
    font-size: 14px;
}

/* Description */
.build-option-description {
    margin: 24px 0;
    color: var(--text-soft);
    line-height: 1.7;
}

/* Highlights */
.build-option-highlights {
    margin: 0;
    padding: 0;
    list-style: none;
}

.build-option-highlights li {
    position: relative;
    padding: 9px 0 9px 20px;
    color: var(--text);
    line-height: 1.5;
}

.build-option-highlights li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-dark);
    font-weight: 700;
}

/* Footer */
.build-option-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-top: auto;
    padding-top: 28px;
}

.build-option-warranty {
    max-width: 220px;
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.5;
}

.build-option-footer a {
    flex-shrink: 0;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

/* Common Warranty */
.build-options-warranty {
    max-width: 900px;
    margin: 80px auto 0;
    padding: 45px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.build-options-warranty .section-kicker {
    margin-bottom: 16px;
}

.build-options-warranty h3 {
    margin: 0 0 14px;
    font-size: 26px;
}

.build-options-warranty p:last-child {
    max-width: 650px;
    margin: 0 auto;
    color: var(--text-soft);
    line-height: 1.7;
}

/* Comparison */
.build-options-comparison {
    max-width: 900px;
    margin: 55px auto 0;
    text-align: center;
}

.build-options-comparison p {
    margin: 0 0 18px;
    font-size: 18px;
}

.build-options-compare-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

/* Pricing Note */
.build-options-note {
    max-width: 900px;
    margin: 55px auto 0;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}

.build-options-note p {
    margin: 0 0 10px;
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.6;
}

/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 900px) {
    .build-options-section {
        padding: 80px 0 90px;
    }

    .build-options-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .build-option {
        min-height: auto;
    }
}

/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 600px) {
    /* Hero buttons */
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* About */
    .about-intro-section {
        padding: 54px 0 46px;
    }

    .about-intro-section h1 {
        font-size: 42px;
    }

    .about-purpose-content,
    .about-responsibility-section {
        padding: 42px 0 48px;
    }

    .about-process-section,
    .about-beliefs-section {
        padding: 52px 0 58px;
    }

    .beliefs-intro {
        margin-bottom: 40px;
    }

    /* Services */
    .services-section {
        padding: 28px 0 60px;
    }

    .services-intro {
        margin-bottom: 42px;
    }

    .residential-service {
        padding: 38px 0;
        gap: 28px;
    }

    /* Transition */
    .section-transition {
        width: 90%;
        padding: 24px 0;
    }

    .section-transition-mark {
        width: 42px;
        height: 42px;
        margin: 0 12px;
    }

    .section-transition-leaf {
        width: 24px;
        height: 24px;
    }

    /* Sustainability */
    .sustainability-section {
        padding: 54px 0 60px;
    }

    .sustainability-intro {
        margin-bottom: 42px;
    }

    .sustainability-closing {
        margin-top: 40px;
        padding-top: 26px;
    }

    .sustainability-closing p {
        font-size: 18px;
    }

    /* Build Options */
    .build-options-section {
        padding: 65px 0 75px;
    }

    .build-options-heading {
        margin-bottom: 42px;
        text-align: left;
    }

    .build-options-intro {
        max-width: none;
    }

    .build-option {
        padding: 30px 24px 26px;
        width: 100%;
        min-width: 0;
    }

    .build-option-header h3 {
        font-size: 24px;
    }

    .build-option-price strong {
        font-size: 25px;
    }

    .build-option-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
    }

    .build-options-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .build-options-warranty {
        margin-top: 60px;
        padding: 38px 10px;
    }

    .build-options-comparison {
        margin-top: 42px;
    }

    .build-options-note {
        margin-top: 42px;
        
    }
}
.research-insights {
    margin-top: 65px;
    padding-top: 50px;
}

.research-insights-heading {
    margin-bottom: 30px;
}

.research-insights-heading h2 {
    font-size: 30px;
}

.research-feature {
    padding: 30px 24px;
}

.research-feature h3 {
    font-size: 25px;
}

.contact-quote {
    margin-top: 38px;
    padding-top: 24px;
}

.contact-quote p {
    font-size: 16px;
}
/* =========================================================
   BUILD OPTIONS — NOTE ALIGNMENT & STYLE
   ========================================================= */

/* Desktop and tablet view */
.build-options-note {
    text-align: center;
}

.build-options-note p {
    position: relative;
    display: inline-block;
    text-align: center;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-soft);
    margin: 0 0 10px;
}

/* Add mandatory star before each line */
.build-options-note p::before {
    content: "✱ ";
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 10px; /* star size for larger screens */
}

/* =========================================================
   MOBILE RESPONSIVE — NOTE STYLE
   ========================================================= */

@media (max-width: 600px) {
    .build-options-note p {
        font-size: 10px; /* smaller text for mobile */
        line-height: 1.4;
    }

    .build-options-note p::before {
        content: "✱ ";
        color: var(--accent-dark);
        font-weight: 700;
        font-size: 8px; /* smaller star size on mobile */
    }
}
/* =========================================================
   RESEARCH TOPICS — VERTICAL ACCENT
   ========================================================= */

.research-topic {
    position: relative;
    padding-left: 24px;
}

.research-topic::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 48px;
    background: var(--accent);
}
@media (max-width: 600px) {

    .research-topic {
        padding-left: 20px;
    }

    .research-topic::before {
        height: 42px;
    }

}
/* =========================================================
   RESEARCH & INSIGHTS
   ========================================================= */

.research-insights {
    margin-top: 90px;
    padding-top: 70px;
    border-top: 1px solid #d9c99a;
}

.research-insights-heading {
    max-width: 760px;
    margin-bottom: 42px;
}

.research-insights-heading h2 {
    margin: 0 0 18px;
    font-size: 38px;
    line-height: 1.15;
}

.research-insights-heading p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.7;
}


/* Featured Research */

.research-feature {
    border-left: 2px solid var(--accent);
    background: #ffffff;
    padding: 42px 46px;
    border-top: 1px solid #e2e7e3;
    border-right: 1px solid #e2e7e3;
    border-bottom: 1px solid #e2e7e3;
}

.research-feature-content {
    max-width: 760px;
}

.research-feature-label {
    display: block;
    margin-bottom: 18px;
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.research-feature h3 {
    margin: 0 0 18px;
    font-size: 30px;
    line-height: 1.2;
}

.research-feature p {
    margin: 0 0 24px;
    color: var(--text-soft);
    line-height: 1.7;
}

.research-feature a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
}
/* =========================================================
   RESEARCH TOPICS
   Desktop: 3 columns / 2 rows
   ========================================================= */

.research-topics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 48px;
    row-gap: 58px;
    margin-top: 48px;
}

.research-topic {
    position: relative;
    padding-left: 24px;
}

.research-topic::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 48px;
    background: var(--accent);
}


/* =========================================================
   RESEARCH TOPICS
   Tablet
   ========================================================= */

@media (max-width: 900px) {

    .research-topics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 32px;
        row-gap: 48px;
    }

}


/* =========================================================
   RESEARCH TOPICS
   Mobile
   ========================================================= */

@media (max-width: 600px) {

    .research-topics {
        grid-template-columns: 1fr;
        row-gap: 42px;
        margin-top: 38px;
    }

    .research-topic {
        padding-left: 20px;
    }

}
/* =========================================================
   RESEARCH — OUR APPROACH
   ========================================================= */

.research-approach-section {
    padding: 110px 0 100px;
    background: #f2f4f1;
}


.research-approach-heading {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 60px;
}


.research-approach-heading .section-eyebrow {
    display: block;
    margin-bottom: 14px;
}


.research-approach-heading h2 {
    margin: 0;
}


/* ---------------------------------------------------------
   THREE APPROACH ITEMS
   --------------------------------------------------------- */

.research-approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}


.research-approach-item {
    min-width: 0;
}

/* Thumbnail */

.research-approach-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    margin-bottom: 22px;

    border: 1px solid #e1e5e2;
    border-radius: 10px;
    background: #e7ece8;
}

.research-approach-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;

    transition: transform 0.5s ease;
}

.research-approach-image:hover img {
    transform: scale(1.018);
}


/* Number */

.research-approach-number {
    margin-bottom: 14px;

    color: #b9974b;

    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
}

/* Title */

.research-approach-item h3 {
    margin: 0 0 12px;

    font-size: 22px;
    line-height: 1.25;
}

/* Description */

.research-approach-item p {
    margin: 0;

    max-width: 340px;

    color: #626b69;

    font-size: 16px;
    line-height: 1.65;
}

/* ---------------------------------------------------------
   FOOTER LINE
   --------------------------------------------------------- */

.research-approach-footer {
    max-width: 760px;
    margin: 60px auto 0;

    text-align: center;
}


.research-approach-footer p {
    margin: 0 0 22px;

    color: #626b69;

    font-size: 16px;
    line-height: 1.6;
}


.research-approach-footer a {
    color: #1f4d3d;

    font-weight: 600;

    text-decoration: underline;
    text-underline-offset: 4px;
}


.research-approach-footer a:hover {
    color: #b9974b;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 900px) {

    .research-approach-section {
        padding: 80px 0;
    }

    .research-approach-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .research-approach-item p {
        max-width: none;
    }

}


@media (max-width: 600px) {

    .research-approach-section {
        padding: 65px 0;
    }

    .research-approach-heading {
        margin-bottom: 42px;
    }

    .research-approach-heading h2 {
        font-size: 30px;
    }

    .research-approach-image {
        margin-bottom: 18px;
    }

    .research-approach-item h3 {
        font-size: 21px;
    }

    .research-approach-footer {
        margin-top: 50px;
    }

}

/* =========================================================
   WARRANTY SECTION
   ========================================================= */

.warranty-section {
    padding: 105px 0 95px;
    background: #f7f8f5;
}


/* ---------------------------------------------------------
   HEADING
   --------------------------------------------------------- */

.warranty-heading {
    max-width: 900px;
    margin: 0 auto 38px;
    text-align: center;
}

.warranty-heading .section-eyebrow {
    display: block;

    margin-bottom: 14px;

    color: #1f4d3d;

    font-size: 13px;
    font-weight: 600;

    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.warranty-heading h2 {
    margin: 0 0 16px;

    color: #1f2933;

    font-size: 42px;
    line-height: 1.18;
}

.warranty-heading p {
    max-width: 720px;

    margin: 0 auto;

    color: #687178;

    font-size: 16px;
    line-height: 1.7;
}


/* ---------------------------------------------------------
   12 YEAR WARRANTY BADGE
   --------------------------------------------------------- */

.warranty-badge {
    width: 155px;
    height: 155px;

    margin: 0 auto 40px;

    position: relative;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    border: 1.5px solid #c89b3c;
    border-radius: 50%;

    background: transparent;

    text-align: center;
}


/* Inner gold ring */

.warranty-badge::before {
    content: "";

    position: absolute;

    inset: 7px;

    border: 1px solid rgba(200, 155, 60, 0.55);

    border-radius: 50%;
}


.warranty-years {
    position: relative;

    margin-bottom: 2px;

    color: #c89b3c;

    font-family: "Open Sans", sans-serif;
    font-size: 68px;
    font-weight: 600;

    line-height: 0.8;
    letter-spacing: -0.02em;
}


.warranty-year,
.warranty-word {
    position: relative;

    color: #1f4d3d;

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.18em;
    line-height: 1.45;

    text-transform: uppercase;
}


.warranty-star {
    position: relative;

    margin-top: 5px;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;

    color: #c89b3c;

    font-size: 13px;
}


/* Gold lines on both sides of the star */

.warranty-star::before,
.warranty-star::after {
    content: "";

    width: 28px;
    height: 1px;

    background: #c89b3c;

    display: block;
}


/* ---------------------------------------------------------
   FOUR WARRANTY CARDS
   --------------------------------------------------------- */

.warranty-grid {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 20px;
}


.warranty-card {
    min-height: 285px;

    padding: 30px 26px 32px;

    background: #252826;

    border: 1px solid rgba(200, 155, 60, 0.32);
    border-radius: 14px;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}


/* ---------------------------------------------------------
   CARD HOVER
   --------------------------------------------------------- */

.warranty-card:hover {
    transform: translateY(-5px);

    border-color: #c89b3c;

    box-shadow:
        0 12px 28px rgba(31, 36, 34, 0.16);
}


/* ---------------------------------------------------------
   GOLD LINE ICON
   --------------------------------------------------------- */

.warranty-icon {
    width: 48px;
    height: 48px;

    margin-bottom: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(200, 155, 60, 0.62);
    border-radius: 50%;

    color: #d8b866;

    transition:
        background 0.3s ease,
        border-color 0.3s ease,
        transform 0.3s ease;
}


.warranty-icon svg {
    width: 26px;
    height: 26px;

    fill: none;

    stroke: currentColor;
    stroke-width: 1.8;

    stroke-linecap: round;
    stroke-linejoin: round;
}


.warranty-card:hover .warranty-icon {
    background: rgba(200, 155, 60, 0.10);

    border-color: #c89b3c;

    transform: translateY(-2px);
}


/* ---------------------------------------------------------
   NUMBER
   --------------------------------------------------------- */

.warranty-number {
    display: block;

    margin-bottom: 7px;

    color: #c89b3c;

    font-size: 12px;
    font-weight: 600;

    letter-spacing: 0.10em;
}


/* ---------------------------------------------------------
   CARD TITLE
   --------------------------------------------------------- */

.warranty-card h3 {
    margin: 0 0 13px;

    color: #ffffff;

    font-size: 23px;
    line-height: 1.2;
}


/* ---------------------------------------------------------
   CARD DESCRIPTION
   --------------------------------------------------------- */

.warranty-card p {
    margin: 0;

    color: #c7ccca;

    font-size: 14px;

    line-height: 1.65;
}


/* ---------------------------------------------------------
   BOTTOM WARRANTY NOTE
   --------------------------------------------------------- */

.warranty-note {
    margin: 32px auto 0;

    text-align: center;
}


.warranty-note p {
    margin: 0;

    color: #626b69;

    font-size: 14px;

    line-height: 1.6;
}


/* ---------------------------------------------------------
   COMPLETE WARRANTY GUIDELINES LINK
   --------------------------------------------------------- */

.warranty-link {
    display: inline-block;

    margin-top: 14px;

    color: #1f4d3d;

    font-size: 15px;
    font-weight: 600;

    text-decoration: none;

    border-bottom: 1px solid #1f4d3d;

    transition:
        color 0.25s ease,
        border-color 0.25s ease;
}


.warranty-link:hover {
    color: #c89b3c;

    border-color: #c89b3c;
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {

    .warranty-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));

        gap: 20px;
    }

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 600px) {

    .warranty-section {
        padding: 70px 0 75px;
    }


    .warranty-heading {
        margin-bottom: 30px;
    }


    .warranty-heading h2 {
        font-size: 30px;
    }


    .warranty-heading p {
        font-size: 15px;
    }


    .warranty-badge {
        width: 140px;
        height: 140px;

        margin-bottom: 42px;
    }


    .warranty-years {
        font-size: 51px;
    }


    .warranty-grid {
        grid-template-columns: 1fr;

        gap: 16px;
    }


    .warranty-card {
        min-height: auto;

        padding: 28px 25px 30px;
    }


    .warranty-card h3 {
        font-size: 22px;
    }


    .warranty-note p {
        font-size: 13px;
    }

}


/* =========================================================
   CONTACT ICONS — SIZE FIX
   ========================================================= */

.contact-icon {
    width: 42px;
    height: 42px;

    flex: 0 0 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: #c89b3c;
}


.contact-icon svg {
    width: 20px !important;
    height: 20px !important;

    max-width: 20px;
    max-height: 20px;

    display: block;

    fill: none !important;

    stroke: currentColor;
    stroke-width: 1.8;

    stroke-linecap: round;
    stroke-linejoin: round;
}
/* =========================================================
   CONTACT SECTION
   ========================================================= */

.contact-section {
    padding: 35px 0 30px;
    background: #f7f8f5;
}


/* ---------------------------------------------------------
   CONTACT HEADING
   --------------------------------------------------------- */

.contact-section .section-heading {
    max-width: 900px;

    margin: 0 auto 58px;

    text-align: center;
}


.contact-section .section-kicker {
    margin-bottom: 14px;

    color: #1f4d3d;

    font-size: 13px;
    font-weight: 600;

    letter-spacing: 0.16em;
}


.contact-section .section-heading h2 {
    margin: 0 0 18px;

    color: #202b34;

    font-size: clamp(38px, 4.5vw, 52px);
    line-height: 1.12;
}


.contact-section .section-intro {
    max-width: 760px;

    margin: 0 auto;

    color: #68736f;

    font-size: 15px;
    line-height: 1.75;
}


/* ---------------------------------------------------------
   MAIN CONTACT GRID
   --------------------------------------------------------- */

.contact-grid {
    max-width: 1100px;

    margin: 0 auto;

    display: grid;

    grid-template-columns:
        0.9fr 1.1fr;

    gap: 28px;

    align-items: stretch;
}


/* ---------------------------------------------------------
   CONTACT INFORMATION PANEL
   --------------------------------------------------------- */

.contact-info {
    padding: 42px 38px;

    background: #1f4d3d;

    border-radius: 18px;

    color: #ffffff;
}


.contact-info h3 {
    margin: 0 0 14px;

    color: #ffffff;

    font-size: 26px;
    line-height: 1.25;
}


.contact-info > p {
    margin: 0 0 32px;

    color: rgba(255, 255, 255, 0.78);

    font-size: 15px;
    line-height: 1.75;
}


/* ---------------------------------------------------------
   CONTACT DETAILS
   --------------------------------------------------------- */

.contact-details {
    display: flex;

    flex-direction: column;

    gap: 12px;
}


.contact-item {
    display: flex;

    align-items: center;

    gap: 13px;

    padding: 13px 14px;

    color: #ffffff;

    text-decoration: none;

    border: 1px solid rgba(255, 255, 255, 0.13);

    border-radius: 12px;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}


.contact-item:hover {
    background: rgba(255, 255, 255, 0.07);

    border-color: rgba(200, 155, 60, 0.55);

    transform: translateX(3px);
}


/* ---------------------------------------------------------
   CONTACT ICON
   --------------------------------------------------------- */

.contact-icon {
    width: 40px;
    height: 40px;

    flex: 0 0 40px;

    display: flex;

    align-items: center;
    justify-content: center;

    color: #d8b866;

    background: rgba(255, 255, 255, 0.07);

    border: 1px solid rgba(216, 184, 102, 0.35);

    border-radius: 50%;
}


.contact-icon svg {
    width: 19px !important;
    height: 19px !important;

    max-width: 19px;
    max-height: 19px;

    display: block;

    fill: none !important;

    stroke: currentColor;

    stroke-width: 1.8;

    stroke-linecap: round;
    stroke-linejoin: round;
}


/* Contact text */

.contact-item strong,
.contact-item small {
    display: block;
}


.contact-item strong {
    margin-bottom: 2px;

    color: #ffffff;

    font-size: 14px;
    font-weight: 600;
}


.contact-item small {
    color: rgba(255, 255, 255, 0.70);

    font-size: 13px;
}


/* ---------------------------------------------------------
   CONTACT FORM CARD
   --------------------------------------------------------- */

.contact-form-wrapper {
    padding: 40px;

    background: #ffffff;

    border: 1px solid #dfe4df;

    border-radius: 18px;

    box-shadow:
        0 4px 14px rgba(31, 77, 61, 0.05);
}


.contact-form-wrapper h3 {
    margin: 0 0 28px;

    color: #202b34;

    font-size: 25px;
    line-height: 1.25;
}


/* ---------------------------------------------------------
   FORM
   --------------------------------------------------------- */

.contact-form {
    display: flex;

    flex-direction: column;

    gap: 18px;
}


.form-row {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 16px;
}


.form-group {
    display: flex;

    flex-direction: column;

    gap: 7px;
}


.form-group label {
    color: #27323a;

    font-size: 13px;

    font-weight: 600;
}


/* Inputs */

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;

    box-sizing: border-box;

    padding: 12px 14px;

    border: 1px solid #d8dfda;

    border-radius: 9px;

    background: #ffffff;

    color: #27323a;

    font-family: inherit;

    font-size: 14px;

    outline: none;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}


.form-group input,
.form-group select {
    height: 46px;
}


.form-group textarea {
    min-height: 125px;

    resize: vertical;
}


/* Focus */

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #1f4d3d;

    box-shadow:
        0 0 0 3px rgba(31, 77, 61, 0.08);
}


.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9aa2a6;
}


/* ---------------------------------------------------------
   SUBMIT BUTTON
   --------------------------------------------------------- */

.contact-submit {
    align-self: flex-start;

    margin-top: 2px;

    padding: 14px 24px;

    border: 1px solid #1f4d3d;

    border-radius: 9px;

    background: #1f4d3d;

    color: #ffffff;

    font-family: inherit;

    font-size: 14px;

    font-weight: 600;

    cursor: pointer;

    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease,
        box-shadow 0.25s ease;
}


.contact-submit:hover {
    background: #173c30;

    border-color: #173c30;

    transform: translateY(-2px);

    box-shadow:
        0 6px 14px rgba(31, 77, 61, 0.15);
}
.contact-success {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
    padding: 16px 18px;
    border: 1px solid rgba(31, 77, 61, 0.25);
    border-radius: 10px;
    background: rgba(31, 77, 61, 0.06);
    color: #27323a;
}

.contact-success strong {
    color: #1f4d3d;
    font-size: 16px;
}

.contact-success span {
    font-size: 14px;
    line-height: 1.5;
}

/* =========================================================
   CONTACT SUCCESS TOAST
   ========================================================= */

.contact-toast {
    position: fixed;

    top: 92px;
    left: 50%;

    z-index: 9999;

    display: flex;
    align-items: center;

    gap: 14px;

    width: min(520px, calc(100% - 32px));

    padding: 16px 18px;

    background: #ffffff;

    border: 1px solid rgba(31, 77, 61, 0.18);

    border-left: 4px solid #1f4d3d;

    border-radius: 12px;

    box-shadow:
        0 12px 35px rgba(31, 77, 61, 0.16);

    transform: translate(-50%, -20px);

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 0.3s ease,
        transform 0.3s ease,
        visibility 0.3s ease;
}


.contact-toast.show {
    transform: translate(-50%, 0);

    opacity: 1;

    visibility: visible;

    pointer-events: auto;
}


.contact-toast-icon {
    width: 34px;
    height: 34px;

    flex: 0 0 34px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #1f4d3d;

    color: #ffffff;

    font-size: 18px;
    font-weight: 700;
}


.contact-toast-content {
    display: flex;

    flex-direction: column;

    gap: 2px;

    flex: 1;
}


.contact-toast-content strong {
    color: #1f4d3d;

    font-size: 15px;

    line-height: 1.4;
}


.contact-toast-content span {
    color: #68736f;

    font-size: 13px;

    line-height: 1.5;
}


.contact-toast-close {
    width: 28px;
    height: 28px;

    flex: 0 0 28px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    border: 0;

    background: transparent;

    color: #68736f;

    font-size: 22px;

    line-height: 1;

    cursor: pointer;
}


.contact-toast-close:hover {
    color: #1f4d3d;
}


/* Mobile */

@media (max-width: 600px) {

    .contact-toast {
        top: 78px;

        width: calc(100% - 24px);

        padding: 14px;
    }


    .contact-toast-content strong {
        font-size: 14px;
    }


    .contact-toast-content span {
        font-size: 12px;
    }

}
/* =========================================================
   CONTACT — TABLET
   ========================================================= */

@media (max-width: 900px) {

    .contact-section {
        padding: 85px 0 90px;
    }


    .contact-grid {
        grid-template-columns: 1fr;

        max-width: 760px;
    }


    .contact-info,
    .contact-form-wrapper {
        padding: 34px;
    }

}


/* =========================================================
   CONTACT — MOBILE
   ========================================================= */

@media (max-width: 600px) {

    .contact-section {
        padding: 68px 0 15px;
    }


    .contact-section .section-heading {
        margin-bottom: 42px;
    }


    .contact-section .section-heading h2 {
        font-size: 31px;
    }


    .contact-section .section-intro {
        font-size: 14px;
    }


    .contact-info,
    .contact-form-wrapper {
        padding: 27px 24px;
    }


    .contact-info h3 {
        font-size: 23px;
    }


    .contact-details {
        gap: 10px;
    }


    .contact-item {
        padding: 12px;
    }


    .form-row {
        grid-template-columns: 1fr;

        gap: 18px;
    }


    .contact-submit {
        width: 100%;

        text-align: center;
    }

}
/* ---------------------------------------------------------
   REQUIRED FIELD MARK
   --------------------------------------------------------- */

.required-mark {
    color: #b9974b;
    font-weight: 700;
}


/* ---------------------------------------------------------
   PRIVACY & TERMS CONSENT
   --------------------------------------------------------- */

.form-consent {
    margin-top: -2px;
}


.consent-label {
    display: flex;

    align-items: flex-start;

    gap: 9px;

    color: #68736f;

    font-size: 12px;
    line-height: 1.6;

    cursor: pointer;
}


.consent-label input[type="checkbox"] {
    width: 16px;
    height: 16px;

    flex: 0 0 16px;

    margin: 2px 0 0;

    accent-color: #1f4d3d;

    cursor: pointer;
}


.consent-label a {
    color: #1f4d3d;

    font-weight: 600;

    text-decoration: underline;
}


.consent-label a:hover {
    color: #b9974b;
}
/* ---------------------------------------------------------
   CONTACT SUSTAINABILITY QUOTE
   --------------------------------------------------------- */

.contact-quote {
    margin-top: 48px;

    padding-top: 28px;

    border-top: 1px solid rgba(216, 184, 102, 0.28);

    text-align: center;
}


.contact-quote .quote-mark {
    display: block;

    margin-bottom: 12px;

    color: #d8b866;

    font-size: 13px;
}


.contact-quote p {
    max-width: 320px;

    margin: 0 auto 9px;

    color: rgba(255, 255, 255, 0.90);

    font-family: inherit;

    font-size: 18px;

    font-weight: 500;

    line-height: 1.5;
}


.contact-quote small {
    color: rgba(216, 184, 102, 0.85);

    font-size: 11px;

    letter-spacing: 0.12em;

    text-transform: uppercase;
}

/* =========================================================
   SPECIFICATION COMPARE — FINAL
   Shared with specifications.html
   ========================================================= */

.spec-compare-section {
    padding: 105px 0 110px;
    background: #f7f8f5;
}

.spec-compare-heading {
    max-width: 850px;
    margin: 0 auto 58px;
    text-align: center;
}

.spec-compare-heading .section-kicker {
    margin: 0 0 14px;
    color: #1f4d3d;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
}

.spec-compare-heading h2 {
    margin: 0 0 16px;
    color: #202b34;
    font-family: "Playfair Display", serif;
    font-size: clamp(36px, 4.5vw, 44px);
    line-height: 1.15;
}

.spec-compare-heading p:last-child {
    max-width: 700px;
    margin: 0 auto;
    color: #68736f;
    font-size: 15px;
    line-height: 1.7;
}

/* ---------------------------------------------------------
   ONE OUTER TABLE SHELL
   The shell owns the only outer border.
   Categories and rows do not draw competing outer borders.
   --------------------------------------------------------- */

.spec-table-shell {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    overflow-x: auto;
    overflow-y: hidden;
    border: 1px solid #dfe4df;
    border-radius: 14px;
    background: #ffffff;
    -webkit-overflow-scrolling: touch;
}

/* Package header */

.spec-package-header {
    display: grid;
    grid-template-columns: 1.35fr repeat(4, 1fr);
    min-width: 900px;
    margin: 0;
    background: #ffffff;
    border: 0;
    border-bottom: 1px solid #dfe4df;
    border-radius: 0;
}

.spec-category-label {
    min-height: 105px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    background: #1f4d3d;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
}

.spec-package {
    min-height: 105px;
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-left: 1px solid #e2e6e3;
}

.spec-package-number {
    margin-bottom: 5px;
    color: #c89b3c;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.10em;
}

.spec-package strong {
    color: #202b34;
    font-size: 15px;
    line-height: 1.3;
}

.spec-package small {
    margin-top: 5px;
    color: #68736f;
    font-size: 12px;
}

/* ---------------------------------------------------------
   CATEGORY
   --------------------------------------------------------- */

.spec-category {
    max-width: none;
    min-width: 900px;
    margin: 0;
    background: #ffffff;
    border: 0;
    border-radius: 0;
    overflow: visible;
}

.spec-category-title {
    min-height: 72px;
    padding: 15px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    background: #f0f3ef;
    border: 0;
    border-bottom: 1px solid #dfe4df;
}

.spec-category-title > div {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.spec-category-number {
    color: #c89b3c;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.spec-category-title h3 {
    margin: 0;
    color: #1f4d3d;
    font-size: 20px;
    line-height: 1.25;
}

/* Category icon */

.spec-category-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c89b3c;
    border: 1px solid rgba(200, 155, 60, 0.50);
    border-radius: 50%;
}

.spec-category-icon svg {
    width: 22px;
    height: 22px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------------------------------------------------------
   SPECIFICATION ROW
   --------------------------------------------------------- */

.spec-row {
    display: grid;
    grid-template-columns: 1.35fr repeat(4, 1fr);
    align-items: stretch;
    min-width: 900px;
    border: 0;
    border-bottom: 1px solid #e5e9e6;
}

.spec-row > div {
    min-height: 66px;
    padding: 15px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4f5b57;
    font-size: 13px;
    line-height: 1.45;
    text-align: center;
    border-left: 1px solid #edf0ee;
}

.spec-row > div:first-child {
    justify-content: flex-start;
    border-left: 0;
    color: #26352f;
    font-weight: 500;
    text-align: left;
}

.spec-name {
    text-align: left;
    justify-content: flex-start;
}

.spec-name small {
    display: block;
    margin-top: 3px;
    color: #7a8580;
    font-size: 11px;
    font-weight: 400;
}

.spec-name {
    display: block !important;
    text-align: left !important;
}

.spec-name span {
    display: block !important;
    width: 100%;
}

.spec-name span + span {
    margin-top: 4px;
}
/* =========================================================
   ELECTRICAL SAFETY — DETAIL LIST ALIGNMENT
   ========================================================= */

.spec-detail-list {
    display: block !important;
    align-items: initial !important;
    justify-content: initial !important;
    text-align: left !important;
    vertical-align: top;
}

.spec-detail-list strong {
    display: block;
    margin: 0 0 6px 0;
    text-align: left !important;
}

.spec-detail-list ul {
    display: block;
    margin: 0;
    padding-left: 18px;
    text-align: left !important;
}

.spec-detail-list li {
    margin: 2px 0;
    padding: 0;
    text-align: left !important;
}
/* Ventilation note */

.spec-category-note {
    padding: 18px 28px;
    color: #68736f;
    background: #fafbf9;
    border-bottom: 1px solid #e8ece9;
    font-size: 13px;
    line-height: 1.65;
    text-align: center;
}

/* Keep the final edge clean */

.spec-category:last-child .spec-row:last-child {
    border-bottom: 0;
}

/* Standalone page */

.specifications-page {
    min-height: 100vh;
    background: #f7f8f5;
}

.specifications-page .spec-compare-section {
    padding-top: 90px;
}

/* ---------------------------------------------------------
   TABLET
   --------------------------------------------------------- */

@media (max-width: 900px) {
    .spec-compare-section {
        padding: 85px 0 90px;
    }

    .spec-compare-section .container {
        width: 94%;
    }

    .spec-table-shell {
        max-width: 100%;
    }

    .spec-package-header,
    .spec-row,
    .spec-category {
        grid-template-columns: 1.25fr repeat(4, minmax(125px, 1fr));
        min-width: 875px;
    }
}

/* =========================================================
   SPECIFICATIONS — MOBILE
   Horizontal comparison with sticky specification column
   ========================================================= */

@media (max-width: 600px) {

    .spec-compare-section {
        padding: 70px 0 75px;
    }

    .spec-compare-heading {
        margin-bottom: 40px;
    }

    .spec-compare-heading h2 {
        font-size: 31px;
    }

    /* -----------------------------------------------------
       Scroll container
       ----------------------------------------------------- */

    .spec-table-shell {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        border-radius: 14px;

        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .spec-table-shell::-webkit-scrollbar {
        display: none;
    }


    /* -----------------------------------------------------
       Compact mobile table
       ----------------------------------------------------- */

    .spec-package-header,
    .spec-row,
    .spec-category {
        min-width: 735px;
    }

    .spec-package-header,
    .spec-row {
        grid-template-columns: 155px repeat(4, 145px);
    }


    /* -----------------------------------------------------
       Sticky specification column
       ----------------------------------------------------- */

    .spec-package-header > div:first-child,
    .spec-row > div:first-child {
        position: sticky;
        left: 0;
        z-index: 4;
        background: #ffffff;
    }

    .spec-package-header > div:first-child {
        background: #1f4d3d;
    }


    /* -----------------------------------------------------
       Package header
       ----------------------------------------------------- */

    .spec-package {
        min-height: 100px;
        padding: 15px 8px;
    }

    .spec-package strong {
        font-size: 13px;
        line-height: 1.3;
    }

    .spec-package small {
        font-size: 10px;
    }


    /* -----------------------------------------------------
       Category header
       ----------------------------------------------------- */

    .spec-category-label,
    .spec-category-title {
        padding-left: 16px;
        padding-right: 16px;
    }

    .spec-category-title {
        min-height: 68px;
    }

    .spec-category-title h3 {
        font-size: 18px;
    }


    /* -----------------------------------------------------
       Specification rows
       ----------------------------------------------------- */

    .spec-row > div {
        min-height: 62px;
        padding: 12px 10px;
        font-size: 11px;
        line-height: 1.4;
    }

    .spec-row > div:first-child {
        font-size: 11px;
        font-weight: 500;
    }


    /* -----------------------------------------------------
       Ventilation note
       ----------------------------------------------------- */

    .spec-category-note {
        padding: 15px 16px;
        text-align: left;
        font-size: 11px;
    }

}
/* =========================================================
   PACKAGES — COMPACT LANDSCAPE CARDS
   ========================================================= */

.build-option {
    height: 350px;
    min-height: 0;
    padding: 22px 26px 18px;
    border-radius: 10px;
    overflow: hidden;
}

.build-option-header {
    padding-bottom: 10px;
}

.build-option-header h3 {
    margin-bottom: 7px;
    font-size: 21px;
    line-height: 1.2;
}

.build-option-price strong {
    font-size: 23px;
}

.build-option-description {
    margin: 10px 0 8px;
    font-size: 11px;
    line-height: 1.4;
}

.build-option-highlights li {
    padding: 2px 0 2px 17px;
    font-size: 10.5px;
    line-height: 1.35;
}

.build-option-footer {
    padding-top: 6px;
}

.build-option-warranty {
    font-size: 9px;
    line-height: 1.25;
}

.build-option-footer a {
    font-size: 10px;
}


/* =========================================================
   PACKAGES — TABLET
   ========================================================= */

@media (max-width: 900px) {

    .build-options-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }

    .build-option {
        height: 330px;
        padding: 25px 24px 22px;
    }

}


/* =========================================================
   PACKAGES — MOBILE
   ========================================================= */

@media (max-width: 600px) {

    .build-options-grid {
        grid-template-columns: 1fr !important;
        gap: 18px !important;
    }

    .build-option {
        width: 100%;
        height: auto;
        min-height: 300px;

        padding: 26px 24px 22px;

        border-radius: 10px;
    }

    .build-option-header h3 {
        font-size: 23px;
    }

    .build-option-price strong {
        font-size: 24px;
    }

}
/* =========================================================
   BSH — MAIN SITE HEADER — FINAL
   ========================================================= */

.site-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
}
/* =========================================================
   BSH SPECIFICATIONS — STICKY PACKAGE HEADER
   FINAL VERSION
   ========================================================= */

/* Main site header must remain sticky */
.site-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
}


/* ---------------------------------------------------------
   PACKAGE HEADER OUTSIDE THE HORIZONTAL SCROLLER
   --------------------------------------------------------- */

.spec-header-shell {
    position: sticky;
    top: 96px;
    z-index: 900;

    width: 100%;
    overflow: hidden;

    background: #ffffff;
}


/* Package header itself */

.spec-header-shell .spec-package-header {
    width: 100%;
    min-width: 900px;

    margin: 0;

    position: relative;

    z-index: 901;
}


/* ---------------------------------------------------------
   TABLE
   --------------------------------------------------------- */

.spec-table-shell {
    width: 100%;
    max-width: 1160px;

    margin: 0 auto;

    overflow-x: auto;
    overflow-y: visible;

    -webkit-overflow-scrolling: touch;
}


/* ---------------------------------------------------------
   MOBILE
   --------------------------------------------------------- */

@media (max-width: 900px) {

    .spec-header-shell {
        top: 82px;
    }

}


@media (max-width: 600px) {

    .spec-header-shell {
        top: 74px;
    }

    .spec-header-shell .spec-package-header {
        min-width: 735px;

        grid-template-columns:
            155px repeat(4, 145px);
    }

}

/* =========================================================
   SPECIFICATIONS — PACKAGE HEADER
   FINAL STICKY VERSION
   ========================================================= */

.spec-header-shell {
    position: sticky;
    top: 96px;
    z-index: 900;

    width: 100%;
    overflow: hidden;

    background: #ffffff;
}


/* The real package header */

.spec-header-shell .spec-package-header {
    display: grid;

    width: 100%;
    max-width: 1160px;
    min-width: 900px;

    margin: 0 auto;

    position: relative;

    background: #ffffff;

    border: 0;
    border-bottom: 1px solid #dfe4df;
}


/* Keep table as the horizontal scrolling area */

.spec-table-shell {
    width: 100%;
    max-width: 1160px;

    margin: 0 auto;

    overflow-x: auto;
    overflow-y: hidden;

    -webkit-overflow-scrolling: touch;
}


/* ---------------------------------------------------------
   TABLET
   --------------------------------------------------------- */

@media (max-width: 900px) {

    .spec-header-shell {
        top: 82px;
    }

    .spec-header-shell .spec-package-header {
        width: 875px;
        min-width: 875px;
    }

}


/* ---------------------------------------------------------
   MOBILE
   --------------------------------------------------------- */

@media (max-width: 600px) {

    .spec-header-shell {
        top: 74px;
    }

    .spec-header-shell .spec-package-header {
        width: 735px;
        min-width: 735px;

        grid-template-columns:
            155px repeat(4, 145px);
    }

}
/* =========================================================
   SPECIFICATIONS — CLOSING MESSAGE
   ========================================================= */

.spec-compare-closing {
    margin: 42px auto 0;
    max-width: 760px;
    text-align: center;
}

.spec-compare-closing h3 {
    margin: 0;
    color: #1f4d3d;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
}

.spec-compare-closing p {
    margin: 12px 0 0;
    color: #68736f;
    font-size: 14px;
    line-height: 1.6;
}

.spec-compare-closing a {
    color: #1f4d3d;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.spec-compare-closing a:hover {
    color: #c89b3c;
}


/* Mobile */

@media (max-width: 600px) {

    .spec-compare-closing {
        margin-top: 32px;
        padding: 0 18px;
    }

    .spec-compare-closing h3 {
        font-size: 17px;
        line-height: 1.5;
    }

    .spec-compare-closing p {
        font-size: 13px;
    }

}

/* =========================================================
   BSH — ABOUT PAGE CENTER ALIGNMENT
   Apply at the VERY END of css/style.css
   Keeps the current spacing; changes only About content alignment.
   ========================================================= */

/* ABOUT — WHY WE CHOSE RESIDENTIAL */
.about-purpose-content {
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.about-purpose-content .section-kicker,
.about-purpose-content h2,
.about-purpose-content p:not(.section-kicker) {
    text-align: center;
}

.about-purpose-content p:not(.section-kicker) {
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

/* ABOUT — OUR RESPONSIBILITY */
.about-responsibility-content {
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.about-responsibility-content .section-kicker,
.about-responsibility-content h2,
.about-responsibility-content p:not(.section-kicker) {
    text-align: center;
}

.about-responsibility-content p:not(.section-kicker) {
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

/* ABOUT — HOW WE WORK */
.about-process-section .process-heading {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.about-process-section .process-heading .section-intro {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Keep the process steps structured */
.process-flow {
    text-align: center;
}

.process-step {
    text-align: center;
}

/* MOBILE — retain centered presentation without changing spacing */
@media (max-width: 600px) {
    .about-purpose-content,
    .about-responsibility-content,
    .about-process-section .process-heading {
        text-align: center;
    }

    .about-purpose-content p:not(.section-kicker),
    .about-responsibility-content p:not(.section-kicker),
    .about-process-section .process-heading .section-intro {
        max-width: 100%;
    }
}
/* ABOUT — TEST BODY TEXT JUSTIFICATION */

.about-purpose-content p:not(.section-kicker),
.about-responsibility-content p:not(.section-kicker),
.about-process-section .process-heading .section-intro {
    text-align: justify;
    text-justify: inter-word;
}
/* =========================================================
   ABOUT — MOBILE GAP FINAL TEST
   ========================================================= */

@media (max-width: 600px) {

    /* Why We Chose Residential */
    .about-purpose-content {
        padding-bottom: 10px !important;
    }

    /* Our Responsibility */
    .about-responsibility-section {
        padding-top: 10px !important;
    }

    .about-responsibility-content {
        padding-top: 10px !important;
    }

    /* Keep mobile body text centered */
    .about-purpose-content p:not(.section-kicker),
    .about-responsibility-content p:not(.section-kicker),
    .about-process-section .process-heading .section-intro {
        text-align: center !important;
    }
}
@media (max-width: 600px) {

    .about-responsibility-section {
        padding-bottom: 8px !important;
    }

    .about-responsibility-content {
        padding-bottom: 0 !important;
    }

    .about-process-section {
        padding-top: 12px !important;
    }

}
/* =====================================================
   SITE FOOTER — FINAL
   ===================================================== */

.site-footer {
  background: #164f40;
  color: #ffffff;
}

/* Main footer */

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
  padding: 28px 0 20px;
}

/* Brand */

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-logo img {
  width: 50px;
  height: auto;
  display: block;
  filter: none;
}

.footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.45;
}


/* Columns */

.footer-column h3 {
  margin: 0 0 10px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-column li {
  margin-bottom: 0px;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 12px;
  line-height: 1.25;
}

.footer-column a:hover {
  color: #d7b45a;
}


/* Contact */

.footer-contact p {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.6;
}

.footer-contact a {
  display: block;
  margin-bottom: 8px;
}


/* Bottom bar */

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-bottom-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 9px;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  text-decoration: none;
}

.footer-legal a:hover {
  color: #d7b45a;
}

.footer-legal span {
  color: rgba(255, 255, 255, 0.4);
}


/* =====================================================
   FOOTER — MOBILE
   ===================================================== */

@media (max-width: 768px) {

  .footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 42px 24px 36px;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-logo img {
    width: 76px;
  }

  .footer-column h3 {
    margin-bottom: 10px;
  }

  .footer-column li {
    margin-bottom: 0px;
  }

  .footer-bottom-inner {
    min-height: auto;
    padding: 10px 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .footer-legal {
    flex-wrap: wrap;
  }

}