/* ============================================================
   HUE BÉTON — Warm minimal editorial
   Type: Cormorant Garamond (display) + Hanken Grotesk (UI/body)
   ============================================================ */

:root {
  --paper:   #F4F0E8;   /* warm off-white */
  --paper-2: #ECE4D7;   /* sand panel */
  --paper-3: #E3D9C8;   /* deeper sand */
  --ink:     #221D17;   /* warm near-black */
  --espresso:#19140F;   /* footer */
  --muted:   #6E6353;   /* warm muted text */
  --muted-2: #948877;
  --clay:    #A85433;   /* terracotta accent */
  --clay-dk: #8E4427;
  --line:    rgba(34, 29, 23, 0.14);
  --line-soft: rgba(34, 29, 23, 0.08);

  --serif: "Inter", system-ui, sans-serif;
  --sans:  "Inter", system-ui, sans-serif;

  --gutter: clamp(20px, 5vw, 90px);
  --maxw: 1340px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

::selection { background: var(--clay); color: var(--paper); }

/* ---------- Reusable ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--clay);
  opacity: 0.7;
}
.eyebrow.center { justify-content: center; }
.eyebrow.plain::before { display: none; }

h1, h2, h3, .serif {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.04;
}

.display {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  line-height: 1.0;
  letter-spacing: -0.01em;
}

p.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
}
.muted { color: var(--muted); }

section { position: relative; }
.pad { padding-top: clamp(80px, 11vw, 160px); padding-bottom: clamp(80px, 11vw, 160px); }
.bg-sand { background: var(--paper-2); }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.clay { background: var(--clay); border-color: var(--clay); color: var(--paper); }
.btn.clay:hover { background: transparent; color: var(--clay); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); background: transparent; }

.btn svg { width: 16px; height: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease), box-shadow 0.5s var(--ease), padding 0.5s var(--ease);
  padding: 22px 0;
}
.site-header.scrolled {
  background: rgba(244, 240, 232, 0.86);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 1px 0 var(--line-soft);
  padding: 14px 0;
}
.header-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand img { height: 26px; width: auto; transition: height 0.5s var(--ease); }
.site-header.scrolled .brand img { height: 23px; }

.nav { display: flex; align-items: center; gap: 38px; }
.nav a.link {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.nav a.link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--clay);
  transition: width 0.4s var(--ease);
}
.nav a.link:hover { color: var(--clay); }
.nav a.link:hover::after { width: 100%; }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid var(--ink);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.header-cta:hover { background: var(--ink); color: var(--paper); }
.header-cta svg { width: 15px; height: 15px; }
.header-cta svg[viewBox="0 0 720 720"] { width: 18px; height: 18px; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 1.5px; background: var(--ink); transition: 0.3s var(--ease); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 99;
  background: var(--paper);
  transform: translateX(100%);
  transition: transform 0.6s var(--ease);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 26px;
}
.drawer.open { transform: none; }
.drawer a { font-family: var(--serif); font-size: 7vw; font-weight: 600; letter-spacing: -0.02em; }
.drawer a.cta-m { font-family: var(--sans); font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; border: 1px solid var(--ink); padding: 14px 30px; margin-top: 14px; }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: 120px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  min-height: calc(100vh - 120px);
  padding-bottom: 40px;
}
.hero-copy { max-width: 600px; }
.hero h1 {
  font-size: clamp(3rem, 8.6vw, 7rem);
  line-height: 0.95;
  margin: 26px 0 0;
  letter-spacing: -0.038em;
}
.hero h1 .ln { display: block; }
.hero h1 .ln.it { font-style: normal; font-weight: 600; color: var(--ink); }
.hero-sub {
  font-size: clamp(1.05rem, 1.45vw, 1.32rem);
  color: var(--muted);
  margin: 34px 0 38px;
  max-width: 460px;
  line-height: 1.55;
}
.hero-sub b { color: var(--ink); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.hero-figure { position: relative; align-self: center; }
.hero-figure .frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--paper-3);
}
.hero-figure .frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-tag {
  position: absolute;
  left: -1px; bottom: 26px;
  background: var(--paper);
  color: var(--ink);
  padding: 16px 22px;
  border: 1px solid var(--line);
  max-width: 230px;
}
.hero-tag .k { font-family: var(--serif); font-size: 2.1rem; font-weight: 600; letter-spacing: -0.03em; line-height: 1; color: var(--clay); }
.hero-tag .v { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }

/* meta strip under hero */
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 48px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
  margin-top: 8px;
}
.hero-meta .item { display: flex; flex-direction: column; gap: 3px; }
.hero-meta .item .lbl { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); }
.hero-meta .item .val { font-family: var(--serif); font-size: 1.18rem; font-weight: 500; letter-spacing: -0.015em; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}
.about-statement {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 22px 0 0;
}
.about-statement em { font-style: normal; color: var(--ink); font-weight: inherit; }
.about-body p { color: var(--muted); font-size: 1.05rem; margin-bottom: 22px; max-width: 48ch; }
.about-body p:first-child { color: var(--ink); }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.stats .stat {
  flex: 1 1 0;
  min-width: 130px;
  padding: 28px 28px 28px 0;
  border-right: 1px solid var(--line);
}
.stats .stat:last-child { border-right: none; }
.stats .num { font-family: var(--serif); font-size: clamp(2.4rem, 3.8vw, 3.3rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1; color: var(--ink); }
.stats .num span { color: var(--clay); }
.stats .cap { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }

/* ============================================================
   SURFACES (interactive index)
   ============================================================ */
.surfaces-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: clamp(40px, 5vw, 70px);
}
.surfaces-head h2 { font-size: clamp(2.4rem, 5vw, 4.2rem); margin-top: 18px; max-width: 12ch; }
.surfaces-head .note { color: var(--muted); max-width: 34ch; font-size: 1.02rem; }

.surfaces-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}
.surf-list { border-top: 1px solid var(--line); min-height: clamp(540px, 46vw, 600px); }
.surf-item {
  display: flex;
  align-items: baseline;
  gap: 22px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: clamp(20px, 2.4vw, 30px) 6px;
  cursor: pointer;
  color: var(--ink);
  transition: padding-left 0.5s var(--ease), color 0.4s var(--ease);
}
.surf-item .idx { font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; color: var(--muted-2); width: 30px; flex: none; padding-top: 8px; transition: color 0.4s var(--ease); }
.surf-item .name { font-family: var(--serif); font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 600; letter-spacing: -0.025em; line-height: 1.06; transition: color 0.4s var(--ease); }
.surf-item .desc {
  display: block;
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--muted);
  max-width: 46ch;
  margin-top: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: height 0.55s var(--ease), opacity 0.5s var(--ease), margin-top 0.5s var(--ease);
}
.surf-item:hover { padding-left: 14px; }
.surf-item:hover .name { color: var(--clay); }
.surf-item.active { padding-left: 14px; }
.surf-item.active .idx { color: var(--clay); }
.surf-item.active .name { color: var(--clay); }
.surf-item.active .desc { height: 7.6em; opacity: 1; margin-top: 14px; }

.surf-stage {
  position: relative;
  width: 100%;
  align-self: start;
  height: clamp(540px, 46vw, 600px);
  background: var(--paper-3);
  overflow: hidden;
}
.surf-stage .surf-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.7s var(--ease);
  pointer-events: none;
}
.surf-stage .surf-img.show { opacity: 1; pointer-events: auto; }
.surf-cap {
  position: absolute;
  left: 0; bottom: 0;
  z-index: 3;
  background: var(--paper);
  padding: 12px 18px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* ============================================================
   PROCESS
   ============================================================ */
.proc-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(30px, 6vw, 96px);
  align-items: start;
}

/* ---- exploded layer-stack illustration ---- */
.layer-stack-wrap { width: 100%; }
.layer-stack-img { display: block; width: 100%; max-width: 432px; height: auto; margin: 0 auto; }
.layer-stack {
  position: relative;
  height: 700px;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}
.layer-stack .ls-guide {
  position: absolute;
  top: 6px; bottom: 64px;
  width: 0;
  border-left: 1px dashed var(--line);
  z-index: 0;
}
.layer-stack .ls-guide.l { left: calc(50% - 150px); }
.layer-stack .ls-guide.r { left: calc(50% + 150px); }

.ls-row {
  position: absolute;
  left: 0; right: 0;
  top: var(--cy);
  height: 0;
  filter: drop-shadow(0 24px 18px rgba(42, 32, 22, 0.16));
}
.ls-plate {
  position: absolute;
  left: 50%; top: 0;
  width: 212px; height: 212px;
  border-radius: 34px;
}
.ls-plate.face {
  transform: translate(-50%, -50%) scaleY(0.56) rotate(45deg);
  box-shadow: inset 0 6px 7px rgba(255, 255, 255, 0.34), inset 0 -4px 9px rgba(0, 0, 0, 0.07);
}
.ls-plate.edge {
  transform: translate(-50%, -50%) translateY(14px) scaleY(0.56) rotate(45deg);
}
.ls-plate.p4   { background: linear-gradient(150deg, #9a938a 0%, #79736a 100%); z-index: 6; }
.ls-plate.p3   { background: linear-gradient(150deg, #afa69b 0%, #8d8478 100%); z-index: 5; }
.ls-plate.p2   { background: linear-gradient(150deg, #c8bfb2 0%, #aba091 100%); z-index: 4; }
.ls-plate.p1   { background: linear-gradient(150deg, #e1d5c4 0%, #cabda7 100%); z-index: 3; }
.ls-plate.base { background: linear-gradient(150deg, #5a5148 0%, #38312a 100%); z-index: 2; }
.ls-plate.edge.p4   { background: #4f4942; }
.ls-plate.edge.p3   { background: #685f55; }
.ls-plate.edge.p2   { background: #877d6e; }
.ls-plate.edge.p1   { background: #a99c85; }
.ls-plate.edge.base { background: #251e18; }

.ls-tag {
  position: absolute;
  left: 0; top: 0;
  transform: translateY(-50%);
  z-index: 12;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
}
.ls-tag.surface { letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); }

/* ---- numbered list ---- */
.proc-right h2 { font-size: clamp(2.1rem, 4vw, 3.3rem); margin-top: 16px; }
.proc-intro { color: var(--muted); font-size: 1.08rem; line-height: 1.6; margin: 20px 0 6px; max-width: 46ch; }
.proc-list { list-style: none; margin-top: 26px; }
.proc-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0 20px;
  padding: 24px 0;
  position: relative;
}
.proc-item:not(:last-child) { border-bottom: 1px solid var(--line); }
.proc-item .badge {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  align-self: start;
  margin-top: 2px;
  position: relative;
  z-index: 1;
}
.proc-item h4 { font-size: 1.28rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 9px; }
.proc-item p { color: var(--muted); font-size: 1rem; line-height: 1.55; max-width: 52ch; }

/* ============================================================
   WHY / FEATURES
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
}
.why-figure { position: relative; align-self: end; aspect-ratio: 5/6; background: var(--paper-3); overflow: hidden; }
.why-figure img { width: 100%; height: 100%; object-fit: cover; }
.why-copy h2 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); margin: 18px 0 0; max-width: 14ch; }
.features { margin-top: 40px; }
.feature {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 0 22px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.feature:last-child { border-bottom: 1px solid var(--line); }
.feature .fi { font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; color: var(--clay); line-height: 1; padding-top: 6px; }
.feature h4 { font-family: var(--serif); font-size: 1.45rem; font-weight: 600; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 0.98rem; max-width: 52ch; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 20px; margin-bottom: clamp(34px, 4vw, 56px); }
.gallery-head h2 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); margin-top: 16px; }
.gallery-head p { color: var(--muted); max-width: 32ch; }
.gallery-aside { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.ig-btn { background: var(--clay); border-color: var(--clay); color: var(--paper); }
.ig-btn:hover { background: transparent; color: var(--clay); }
.ig-btn svg { width: 17px; height: 17px; }
.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 150px;
  gap: 16px;
}
.gallery img { width: 100%; height: 100%; object-fit: cover; display: block; }
.g-a { grid-column: span 4; grid-row: span 2; }
.g-b { grid-column: span 2; grid-row: span 2; }
.g-c { grid-column: span 2; grid-row: span 2; }
.g-d { grid-column: span 2; grid-row: span 2; }
.g-e { grid-column: span 2; grid-row: span 2; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.contact-left h2 { font-size: clamp(2.6rem, 5.2vw, 4.6rem); margin: 18px 0 0; max-width: 13ch; }
.contact-left h2 em { font-style: normal; color: var(--ink); font-weight: inherit; }
.contact-lead { color: var(--muted); font-size: 1.08rem; margin-top: 22px; max-width: 44ch; }

.contact-actions { display: flex; flex-direction: column; gap: 16px; }
.call-card {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  padding: 30px 32px;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease), transform 0.4s var(--ease);
}
.call-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.call-card .ct { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; display: flex; align-items: center; gap: 9px; }
.call-card .ct svg { width: 15px; height: 15px; color: var(--clay); }
.call-card .cn { font-family: var(--serif); font-size: clamp(1.7rem, 2.6vw, 2.2rem); font-weight: 600; letter-spacing: -0.02em; }
.call-card .cgo { position: absolute; top: 26px; right: 30px; font-size: 1.1rem; color: var(--muted-2); transition: transform 0.4s var(--ease), color 0.4s var(--ease); }
.call-card:hover .cgo { transform: translate(3px, -3px); color: var(--clay); }
.call-card.wa { background: var(--ink); border-color: var(--ink); }
.call-card.wa:hover { background: var(--espresso); }
.call-card.wa .ct, .call-card.wa .cn { color: var(--paper); }
.call-card.wa .ct svg { color: #25D366; width: 18px; height: 18px; margin: -1.5px 0; }
.call-card.wa .cgo { color: rgba(244,240,232,0.5); }
.call-card.brochure { background: var(--paper-2); }
.call-card.brochure .ct svg { color: var(--clay); }

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  margin-top: clamp(48px, 6vw, 84px);
}
.cd-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 30px 4px 0;
  border-right: 1px solid var(--line);
}
.cd-item:last-child { border-right: none; }
.cd-item .lbl { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); }
.cd-item .dat { font-family: var(--serif); font-size: 1.32rem; line-height: 1.3; color: var(--ink); }
a.dat:hover { color: var(--clay); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--espresso); color: var(--paper); padding-top: clamp(70px, 8vw, 110px); padding-bottom: 40px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-brand img { height: 30px; filter: brightness(0) invert(1); margin-bottom: 24px; }
.footer-brand p { color: rgba(244,240,232,0.6); max-width: 34ch; font-size: 0.98rem; }
.footer-col h5 { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(244,240,232,0.5); margin-bottom: 20px; }
.footer-col a, .footer-col p { display: block; color: rgba(244,240,232,0.82); font-size: 1rem; margin-bottom: 13px; transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--clay); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-top: 30px; }
.footer-bottom span { font-size: 0.86rem; color: rgba(244,240,232,0.45); letter-spacing: 0.04em; }
.footer-bottom .tagf { font-family: var(--serif); font-weight: 500; font-size: 1rem; letter-spacing: -0.01em; color: rgba(244,240,232,0.72); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .burger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; gap: 44px; }
  .hero { padding-top: 110px; }
  .hero-figure .frame { aspect-ratio: 16/11; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .surfaces-grid { grid-template-columns: 1fr; }
  .surf-list { min-height: 0; }
  .surf-stage { height: 56vw; order: -1; }
  /* on mobile, show every surface description (no accordion) */
  .surf-item .desc { height: auto; opacity: 1; margin-top: 12px; }
  .surf-item.active .desc { height: auto; }
  .why-grid { grid-template-columns: 1fr; }
  .proc-grid { grid-template-columns: 1fr; gap: 50px; }
  .layer-stack { transform: scale(0.86); transform-origin: top center; height: 602px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-details { grid-template-columns: 1fr; }
  .cd-item { border-right: none; border-bottom: 1px solid var(--line); padding: 24px 0; }
  .cd-item:last-child { border-bottom: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 680px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .layer-stack { transform: scale(0.64); height: 448px; }
  .step { border-right: none; border-bottom: 1px solid var(--line); padding: 28px 0; }
  .step:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 24px; }
  .stats .stat { flex: 1 1 45%; border-right: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; }
  .g-a, .g-b, .g-c, .g-d, .g-e { grid-column: span 1; grid-row: span 1; }
  .g-a { grid-column: span 2; grid-row: span 2; }
  .footer-top { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(3rem, 16vw, 5rem); }
}