:root {
  --paper: #f4f0e7;
  --paper-2: #ebe4d7;
  --ink: #272827;
  --muted: #6f6b62;
  --line: rgba(42, 42, 39, .16);
  --gold: #b69a5e;
  --gold2: #e2c97e;
  --stone: #d7c7ad;
  --charcoal: #343535;
  --white: #fffdf8;
  --shadow: 0 26px 80px rgba(32, 30, 26, .18);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 104px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Avenir Next, Avenir, Inter, Helvetica Neue, Arial, sans-serif;
  line-height: 1.45;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, .24);
}

.progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gold);
}

.topbar {
  position: fixed;
  inset: 18px 18px auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 86px;
  padding: 0 14px;
  overflow: hidden;
  color: var(--white);
  background: rgba(24, 24, 23, .5);
  border: 1px solid rgba(255, 255, 255, .22);
  backdrop-filter: blur(18px);
}

.logo { display: flex; align-items: center; gap: 11px; }
.logo img { height: 70px; width: auto; display: block; object-fit: contain; }
.logo-text { line-height: 1.25; }
.logo-text strong { font-size: 14px; font-weight: 600; letter-spacing: .3px; color: #fff; }
.logo-text span { font-size: 10px; font-weight: 300; color: var(--gold2); letter-spacing: 2px; text-transform: uppercase; display: block; }

.nav-overlay { display: none; }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 40;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-combo {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.brand-prime-logo,
.brand-house-logo {
  display: block;
  object-fit: contain;
  max-width: none;
}

.brand-house-logo-light {
  filter: brightness(0) invert(1) drop-shadow(0 1px 4px rgba(0, 0, 0, .28));
  opacity: .92;
}

.brand-prime-logo {
  width: 100px;
  height: 70px;
}

.brand-house-logo {
  width: min(182px, 18vw);
  height: 70px;
}

.topbar nav {
  display: flex;
  gap: 18px;
  color: rgba(255, 255, 255, .82);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero,
.finale {
  position: relative;
  min-height: 60vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

.finale,
.hero.hero-tall {
  min-height: 94vh;
}

.hero-media {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(12, 13, 12, .72) 0%, rgba(12, 13, 12, .38) 44%, rgba(12, 13, 12, .1) 100%),
    var(--bg);
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  will-change: transform;
}

.hero-copy,
.finale-copy {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 150px 0 76px;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(42px, 7vw, 94px);
  line-height: .88;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.lead {
  max-width: 640px;
  margin: 20px 0 0;
  color: rgba(255, 253, 248, .82);
  font-size: clamp(17px, 1.55vw, 22px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index: 3;
  width: 34px;
  height: 54px;
  border: 1px solid rgba(255, 255, 255, .45);
  transform: translateX(-50%);
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 10px;
  width: 4px;
  height: 4px;
  background: var(--white);
  transform: translateX(-50%);
  animation: cue 1.6s infinite;
}

@keyframes cue {
  0% { transform: translate(-50%, 0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translate(-50%, 24px); opacity: 0; }
}

.section {
  scroll-margin-top: 124px;
  padding: clamp(74px, 10vw, 132px) 24px;
}

.split {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
}

.copy h2,
.wide-copy h2,
.section-head h2,
.finale h2 {
  margin: 0;
  color: var(--charcoal);
  font-size: clamp(36px, 5.4vw, 76px);
  line-height: .94;
  letter-spacing: 0;
}

.finale h2 {
  color: var(--white);
  max-width: 1000px;
}

.copy p,
.wide-copy p,
.section-head p,
.finale-copy p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
}

.finale-copy p {
  color: rgba(255, 253, 248, .82);
}


.place-script {
  display: block;
  width: min(360px, 72vw);
  height: auto;
  margin: 0 0 24px;
}

.place-lockup {
  width: min(240px, 62vw);
  margin: 26px 0 24px;
}

.place-lockup img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.image-panel {
  margin: 0;
  overflow: hidden;
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.image-panel img,
.full-bleed img,
.visual-strip img,
.material-board img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plan-panel img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.house-signature {
  display: none;
}

.house-signature img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 120px;
  object-fit: contain;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 32px;
  border: 1px solid var(--line);
}

.facts span {
  padding: 18px;
  color: var(--muted);
  background: rgba(255, 253, 248, .44);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.facts strong {
  display: block;
  color: var(--charcoal);
  font-size: 30px;
  line-height: 1;
}

.quiet {
  background: var(--charcoal);
  color: var(--white);
  overflow: hidden;
}

.quiet .wide-copy {
  width: min(var(--max), 100%);
  margin: 0 auto 48px;
}

.quiet h2 {
  max-width: 1030px;
  color: var(--white);
}

.quiet p {
  color: rgba(255, 253, 248, .74);
}

.prime-section {
  background:
    linear-gradient(120deg, rgba(255, 253, 248, .88), rgba(235, 228, 215, .74)),
    radial-gradient(circle at 18% 20%, rgba(182, 154, 94, .22), transparent 36%);
}

.prime-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.prime-logo-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
  padding: 34px;
  background: rgba(255, 253, 248, .64);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.prime-logo-wrap::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(182, 154, 94, .36);
}

.prime-logo-wrap img {
  width: min(360px, 78%);
  aspect-ratio: 1;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.prime-copy h2 {
  margin: 0 0 26px;
  color: var(--charcoal);
  font-size: clamp(38px, 5.6vw, 78px);
  line-height: .94;
}

.prime-copy p {
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
}

.prime-copy blockquote {
  margin: 30px 0 0;
  padding-left: 24px;
  border-left: 3px solid var(--gold);
  color: var(--charcoal);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.12;
  font-weight: 700;
}

.visual-strip {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr .9fr;
  gap: 18px;
  align-items: stretch;
}

.visual-strip img {
  min-height: 360px;
  opacity: .94;
}

.metrics {
  background: var(--paper-2);
}

.section-head {
  width: min(var(--max), 100%);
  margin: 0 auto 42px;
}

.metric-grid {
  width: min(var(--max), 100%);
  margin: 0 auto 36px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric {
  min-height: 160px;
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, .46);
}

.metric strong {
  display: block;
  color: var(--charcoal);
  font-size: clamp(40px, 5vw, 70px);
  line-height: .95;
}

.metric span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.plan-panel {
  width: min(var(--max), 100%);
  margin: 0 auto;
  overflow: visible;
  border: 1px solid var(--line);
  background: var(--white);
}

.plantas-section {
  background: var(--white);
}

.plantas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.planta-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.planta-wrap {
  background: #f9f7f3;
  border: 1px solid var(--line);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.planta-wrap img {
  width: 100%;
  height: auto;
}

.planta-item figcaption {
  text-align: center;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.system-section {
  background: #f8f5ef;
}

.system-map {
  position: relative;
  width: min(1000px, 100%);
  height: 520px;
  margin: 0 auto;
}

.system-map svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  stroke: rgba(182, 154, 94, .58);
  stroke-width: 1.6;
  fill: none;
  stroke-dasharray: 8 10;
  animation: dash 18s linear infinite;
}

@keyframes dash {
  to { stroke-dashoffset: -360; }
}

.system-core,
.node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid rgba(52, 53, 53, .18);
  background: rgba(255, 253, 248, .84);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(36, 34, 30, .08);
}

.system-core {
  left: 50%;
  top: 50%;
  width: 240px;
  height: 120px;
  transform: translate(-50%, -50%);
}

.system-core span {
  color: var(--charcoal);
  font-size: 26px;
  font-weight: 800;
}

.system-core small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.node {
  width: 184px;
  height: 54px;
  padding: 0 16px;
  color: var(--charcoal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.n1 { left: calc(50% - 92px); top: 28px; }
.n2 { right: 86px; top: 88px; }
.n3 { right: 0; top: 233px; }
.n4 { right: 86px; bottom: 58px; }
.n5 { left: calc(50% - 92px); bottom: 22px; }
.n6 { left: 86px; bottom: 58px; }
.n7 { left: 0; top: 233px; }
.n8 { left: 86px; top: 88px; }

.engineering {
  background: var(--charcoal);
  color: var(--white);
}

.engineering h2,
.engineering .technical-list span {
  color: var(--white);
}

.engineering p,
.engineering .technical-list {
  color: rgba(255, 253, 248, .74);
}

.technical-list {
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, .18);
}

.technical-list li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.technical-list span {
  display: block;
  margin-bottom: 5px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.layers-section {
  background: var(--paper);
}

.layers {
  width: min(960px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.layers div {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 24px;
  color: var(--charcoal);
  background: linear-gradient(90deg, rgba(255,253,248,.9), rgba(215,199,173,.22));
  border: 1px solid var(--line);
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 700;
  transform-origin: left center;
}

.layers span {
  width: 58px;
  color: var(--gold);
  font-size: 14px;
  letter-spacing: .12em;
}

.caption {
  width: min(820px, 100%);
  margin: 28px auto 0;
  color: var(--muted);
  text-align: center;
  font-size: 18px;
}

.comfort-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  min-height: 300px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
}

.feature-number {
  display: block;
  color: var(--gold);
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 800;
  line-height: .9;
}

.feature h3,
.comparison h3 {
  margin: 28px 0 10px;
  color: var(--charcoal);
  font-size: 24px;
}

.feature p,
.comparison p {
  color: var(--muted);
  font-size: 17px;
}

.energy {
  background: var(--paper-2);
}

.scene-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.scene-row span {
  padding: 10px 14px;
  color: var(--charcoal);
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, .55);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.elevator {
  background: #f7f3eb;
}

.elevator-diagram {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.floors {
  display: grid;
  gap: 7px;
}

.floors span {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, .72);
  color: var(--charcoal);
  font-weight: 800;
}

.shaft {
  position: relative;
  height: 330px;
  border: 2px solid var(--gold);
  background: rgba(52, 53, 53, .04);
}

.shaft span {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 28px;
  height: 72px;
  background: var(--charcoal);
  animation: elevator 5s ease-in-out infinite;
}

@keyframes elevator {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(194px); }
}

.elevator-copy strong {
  display: block;
  color: var(--charcoal);
  font-size: 32px;
}

.elevator-copy p {
  color: var(--muted);
  font-size: 18px;
}

.pool {
  position: relative;
  min-height: 760px;
  padding: 0;
  color: var(--white);
  overflow: hidden;
  background: var(--charcoal);
}

.full-bleed {
  position: absolute;
  inset: 0;
  margin: 0;
}

.full-bleed::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18, 19, 18, .72), rgba(18, 19, 18, .15));
}

.pool-copy {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 430px 0 84px;
}

.pool-copy h2 {
  max-width: 760px;
  margin: 0;
  color: var(--white);
  font-size: clamp(38px, 6vw, 86px);
  line-height: .92;
}

.pool-copy p:last-child {
  max-width: 680px;
  color: rgba(255, 253, 248, .8);
  font-size: 19px;
}

.material-board {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  gap: 22px;
}

.material-board figure {
  margin: 0;
  min-height: 500px;
  overflow: hidden;
}

.swatches {
  display: grid;
  align-content: stretch;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.swatches span {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 0 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--charcoal);
  background: rgba(255, 253, 248, .52);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.resolve {
  background: var(--charcoal);
  color: var(--white);
}

.resolve h2 {
  color: var(--white);
}

.comparison {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .18);
}

.comparison div {
  padding: 34px;
  background: rgba(255, 253, 248, .08);
}

.comparison h3 {
  color: var(--white);
}

.comparison p {
  color: rgba(255, 253, 248, .72);
}

.documents-section {
  background:
    linear-gradient(135deg, rgba(255, 253, 248, .92), rgba(235, 228, 215, .72)),
    radial-gradient(circle at 80% 12%, rgba(182, 154, 94, .18), transparent 34%);
}

.document-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.document-card {
  position: relative;
  min-height: 178px;
  padding: 26px;
  color: var(--charcoal);
  background: rgba(255, 253, 248, .72);
  border: 1px solid var(--line);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.document-card:hover {
  transform: translateY(-3px);
  border-color: rgba(182, 154, 94, .58);
  box-shadow: 0 18px 50px rgba(36, 34, 30, .1);
}

.document-card span,
.document-card small {
  display: block;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.document-card strong {
  display: block;
  max-width: 560px;
  margin: 18px 0 28px;
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.08;
}

.document-card small {
  position: absolute;
  left: 26px;
  bottom: 24px;
  color: var(--muted);
}

.reveal {
  opacity: 1;
  transform: translateY(18px);
  transition: opacity .9s ease, transform .9s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .32s; }

@media (max-width: 860px) {
  .topbar {
    inset: 10px 10px auto;
    height: 66px;
    z-index: 200;
  }

  .brand-prime-logo {
    width: 54px;
    height: 54px;
  }
  .brand-house-logo {
    width: min(142px, 42vw);
    height: 54px;
  }

  .logo img { height: 48px; }
  .logo-text strong { font-size: 13px; }
  .logo-text span { font-size: 9px; letter-spacing: 1.5px; white-space: nowrap; }

  .burger { display: flex; }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 86px; left: 0; right: 0;
    background: rgba(14, 17, 14, .97);
    backdrop-filter: blur(12px);
    z-index: 150;
    flex-direction: column;
    padding: 8px 0 16px;
  }
  .nav-overlay.open { display: flex; }
  .nav-overlay a {
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 15px;
    color: rgba(255,255,255,.85);
    text-decoration: none;
    display: block;
    width: 100%;
    letter-spacing: .04em;
    box-sizing: border-box;
  }

  .topbar nav {
    display: none;
  }

  .hero-copy,
  .finale-copy,
  .pool-copy {
    width: min(100% - 32px, var(--max));
  }

  .hero-copy {
    padding-bottom: 76px;
  }

  .section {
    padding: 70px 16px;
  }

  .split,
  .split.reverse,
  .material-board,
  .elevator-diagram {
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .comfort-grid,
  .comparison,
  .document-grid,
  .facts {
    grid-template-columns: 1fr;
  }

  .visual-strip {
    width: calc(100% - 32px);
    grid-template-columns: 1fr;
  }

  .visual-strip img {
    min-height: 250px;
  }

  .house-signature {
      display: none;
    }

    .house-signature img {
      max-height: 96px;
    }

  .prime-grid {
    grid-template-columns: 1fr;
  }

  .prime-logo-wrap {
    min-height: 360px;
  }

  .system-map {
    height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .system-map svg {
    display: none;
  }

  .system-core,
  .node {
    position: static;
    width: auto;
    height: 76px;
    transform: none;
  }

  .node {
    padding: 0 10px;
    font-size: 10px;
    letter-spacing: .04em;
  }

  .system-core {
    grid-column: 1 / -1;
  }

  .pool {
    min-height: 680px;
  }

  .pool-copy {
    padding-top: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}