/* ═══════════════════════════════════════════════════════════════
   Pod by matla.design — Website v3
   Built 2026-05-26 from matla brand v1.2 tokens (web mode, R35).
   Single source of truth: projects/matla/branding v1-2/tokens.md
   ═══════════════════════════════════════════════════════════════ */

/* ─── TOKENS (T1–T9, scaled for screen per R12) ─────────────────────── */
:root {
  /* T1 · Spacing (px) */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-7: 32px; --s-8: 40px;
  --s-9: 56px; --s-10: 80px; --s-11: 112px; --s-12: 160px;

  /* T2 · Type scale — web tuned (1.5× v1.2 print pt for screen readability, preserved ratios) */
  --t-display: 84px;
  --t-h1:      54px;
  --t-h2:      36px;
  --t-h3:      22px;
  --t-h4:      16px;
  --t-lead:    18px;
  --t-body:    16px;
  --t-small:   14px;
  --t-micro:   12px;
  --t-mini:    11px;

  /* T3 · Letter-spacing */
  --ls-tight:  -0.6px;
  --ls-snug:   -0.3px;
  --ls-normal: 0;
  --ls-loose:  1.5px;
  --ls-looser: 3px;

  /* T4 · Line-height */
  --lh-tight:  1.05;
  --lh-snug:   1.2;
  --lh-normal: 1.5;
  --lh-loose:  1.65;

  /* T5 · Warm grey (10 shades) */
  --g-50:  #FAF8F5;
  --g-100: #F2EFE9;
  --g-200: #E6E1D8;
  --g-300: #D2CABB;
  --g-400: #B5AC9D;
  --g-500: #8C8078;
  --g-600: #6E6258;
  --g-700: #4E443B;
  --g-800: #34291F;
  --g-900: #1E1A17;

  /* T6 · Brand (LOCKED) */
  --espresso:  #1E1A17;
  --bronze:    #8C7043;
  --gold:      #C4A265;
  --gold-tint: #F5EFE2;
  --mocha:     #5E4534;
  --oak:       #A0764D;
  --warm-white:#FAF8F5;

  /* On-espresso text opacities (R06) */
  --on-dark-heading: rgba(250, 248, 245, 1);
  --on-dark-body:    rgba(250, 248, 245, 0.78);
  --on-dark-caption: rgba(250, 248, 245, 0.55);
  --on-dark-faint:   rgba(250, 248, 245, 0.35);

  /* T7 · Shadow */
  --shadow-1: 0 1px 2px rgba(0,0,0,0.20);
  --shadow-2: 0 2px 6px rgba(0,0,0,0.25);
  --shadow-3: 0 6px 16px rgba(0,0,0,0.30);
  --shadow-4: 0 12px 32px rgba(0,0,0,0.40), 0 2px 4px rgba(0,0,0,0.20);

  /* T8 · Border + radius */
  --bw-hair:   1px;
  --bw-thick:  2px;
  --bw-accent: 3px;
  --r-0: 0;
  --r-2: 4px;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 920px;
  --container-narrower: 720px;
  --gutter: var(--s-6);
}

/* ─── RESET ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}
body {
  font-family: 'Segoe UI', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  background: var(--espresso);
  color: var(--on-dark-body);
  font-size: var(--t-body);
  line-height: var(--lh-normal);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color 0.2s, opacity 0.2s; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

/* ─── COMMON LAYOUT WRAPPERS ─────────────────────────────────────────── */
.container       { max-width: var(--container-max);       margin: 0 auto; padding: 0 var(--gutter); }
.container.narrow{ max-width: var(--container-narrow);    }
.container.narrower{ max-width: var(--container-narrower);}

section { position: relative; }

/* eyebrow label (T2 mini, all-caps, gold) — used everywhere */
.eyebrow {
  font-size: var(--t-mini);
  font-weight: 600;
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--gold);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-5);
}

/* section title (T2 h1) — used on each chapter */
.section-title {
  font-size: var(--t-h1);
  font-weight: 200;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  color: var(--on-dark-heading);
  margin-bottom: var(--s-6);
}
.section-title strong { font-weight: 500; color: var(--gold); }

.section-lead {
  font-size: var(--t-lead);
  line-height: var(--lh-normal);
  color: var(--on-dark-body);
  max-width: 60ch;
  margin-bottom: var(--s-8);
}

/* ─── NAVIGATION ─────────────────────────────────────────────────────── */
nav#topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--s-5) var(--s-7);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s, padding 0.3s, backdrop-filter 0.3s;
}
nav#topnav.scrolled {
  background: rgba(30, 26, 23, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--s-3) var(--s-7);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--on-dark-heading);
  font-size: var(--t-mini);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
}
.nav-brand img {
  height: 22px; width: auto;
  opacity: 0.95;
}
.nav-product {
  color: var(--on-dark-faint);
  border-left: var(--bw-hair) solid var(--on-dark-faint);
  padding-left: var(--s-3);
  margin-left: var(--s-2);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-7);
}
.nav-links a {
  font-size: var(--t-small);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  color: var(--on-dark-body);
  font-weight: 400;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  background: var(--gold);
  color: var(--espresso) !important;
  padding: var(--s-2) var(--s-5);
  border-radius: var(--r-2);
  font-weight: 600;
  letter-spacing: var(--ls-loose);
}
.nav-cta:hover { background: var(--warm-white); color: var(--espresso) !important; }
.nav-out {
  color: var(--on-dark-caption);
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  transition: color 0.2s;
}
.nav-out:hover { color: var(--gold); }
.nav-out .arrow { display: inline-block; transition: transform 0.2s; }
.nav-out:hover .arrow { transform: translate(2px, -2px); }
.nav-toggle {
  display: none;
  width: 28px; height: 22px;
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 0; right: 0;
  height: 2px; background: var(--warm-white);
  transition: transform 0.3s, opacity 0.3s, top 0.3s, bottom 0.3s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle span:nth-child(3) { bottom: 0; }
.nav-toggle.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0 var(--s-10) var(--s-10) var(--s-10);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: 1;
}
.hero-bg img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.85;
  transform: scale(1.04);
  transition: transform 8s ease, opacity 1.2s;
}
.hero.loaded .hero-bg img { transform: scale(1); }
.hero-veil {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg,
    rgba(30,26,23,0.10) 0%,
    rgba(30,26,23,0.25) 40%,
    rgba(30,26,23,0.75) 85%,
    rgba(30,26,23,0.95) 100%);
}
.hero-content {
  position: relative; z-index: 3;
  max-width: 760px;
}
.hero-eyebrow {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--s-5);
}
.hero h1 {
  font-size: var(--t-display);
  font-weight: 200;
  line-height: 0.95;
  letter-spacing: var(--ls-tight);
  color: var(--on-dark-heading);
  margin-bottom: var(--s-5);
}
.hero h1 strong { font-weight: 500; }
.hero .tagline {
  font-size: var(--t-h3);
  font-weight: 300;
  color: var(--on-dark-body);
  margin-bottom: var(--s-5);
  letter-spacing: var(--ls-normal);
}
.hero .sub {
  font-size: var(--t-lead);
  line-height: var(--lh-normal);
  color: var(--on-dark-body);
  max-width: 60ch;
  margin-bottom: var(--s-7);
}
.hero-actions {
  display: flex; gap: var(--s-4);
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: var(--s-4) var(--s-7);
  font-size: var(--t-small);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--r-2);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn-primary { background: var(--gold); color: var(--espresso); }
.btn-primary:hover { background: var(--warm-white); transform: translateY(-1px); }
.btn-ghost   { background: transparent; color: var(--warm-white); border: var(--bw-hair) solid var(--on-dark-faint); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.scroll-cue {
  position: absolute;
  bottom: var(--s-7);
  left: 50%; transform: translateX(-50%);
  z-index: 4;
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--on-dark-caption);
  animation: scroll-pulse 2.5s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; transform: translate(-50%, 0); }
  50%      { opacity: 0.9; transform: translate(-50%, 6px); }
}

/* ─── GENERIC SPLIT (image | text) ───────────────────────────────────── */
/* Image side respects its natural aspect; text side flexes to match.    */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.split .image {
  position: relative;
  overflow: hidden;
  background: var(--g-900);
  min-height: 480px;
}
.split .image img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.split .content {
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--s-11) var(--s-10);
  max-width: 720px;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

/* ─── FULL-BLEED IMAGE WITH OVERLAID TEXT ────────────────────────────── */
.full-bleed {
  position: relative;
  height: 80vh;
  min-height: 540px;
  display: flex; align-items: center;
  overflow: hidden;
}
.full-bleed img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  z-index: 1;
}
.full-bleed .veil {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(90deg, rgba(30,26,23,0.85) 0%, rgba(30,26,23,0.55) 60%, rgba(30,26,23,0.2) 100%);
}
.full-bleed .content {
  position: relative; z-index: 3;
  padding: var(--s-10);
  max-width: 720px;
}

/* ─── AUTONOMY — Pod 01 30-day floor: 5-stat banner + 5 subsystem cards ─ */
.autonomy {
  padding: var(--s-11) 0;
  background: var(--espresso);
}
.autonomy-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--s-9);
}
.autonomy-head .section-lead {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}
.autonomy-banner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--s-5);
  padding: var(--s-8) 0;
  border-top: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
  border-bottom: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
  margin-bottom: var(--s-10);
}
.ab-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  text-align: center;
}
.ab-icon {
  width: 30px;
  height: 30px;
  color: var(--gold);
  opacity: 0.85;
  margin-bottom: var(--s-3);
}
.ab-num {
  font-size: var(--t-h1);
  font-weight: 200;
  color: var(--gold);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
}
.ab-unit {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--on-dark-caption);
}
.autonomy-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--s-6);
}
.autonomy-card {
  background: rgba(255, 255, 255, 0.025);
  border: var(--bw-hair) solid rgba(196, 162, 101, 0.12);
  padding: var(--s-7) var(--s-5);
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease, opacity 0.7s ease;
  /* initial state for IO reveal; .in-view restores */
  opacity: 0;
  transform: translateY(18px);
}
.autonomy.in-view .autonomy-card {
  opacity: 1;
  transform: translateY(0);
}
.autonomy.in-view .autonomy-card:nth-child(1) { transition-delay: 0.00s, 0.00s, 0.00s, 0.00s; }
.autonomy.in-view .autonomy-card:nth-child(2) { transition-delay: 0.00s, 0.08s, 0.00s, 0.08s; }
.autonomy.in-view .autonomy-card:nth-child(3) { transition-delay: 0.00s, 0.16s, 0.00s, 0.16s; }
.autonomy.in-view .autonomy-card:nth-child(4) { transition-delay: 0.00s, 0.24s, 0.00s, 0.24s; }
.autonomy.in-view .autonomy-card:nth-child(5) { transition-delay: 0.00s, 0.32s, 0.00s, 0.32s; }
.autonomy-card:hover {
  border-color: rgba(196, 162, 101, 0.55);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(196, 162, 101, 0.18);
}
.autonomy-card:hover .ac-icon {
  transform: scale(1.06);
  opacity: 1;
}
.ac-icon {
  width: 40px;
  height: 40px;
  color: var(--gold);
  margin-bottom: var(--s-5);
  opacity: 0.92;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

/* Detection radar: gentle continuous breath so the icon reads as "live" */
.is-detection {
  animation: detection-breath 2.6s ease-in-out infinite;
}
@keyframes detection-breath {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .autonomy-card,
  .autonomy.in-view .autonomy-card { transition: none; opacity: 1; transform: none; }
  .is-detection { animation: none; opacity: 0.85; }
}
.ac-num {
  font-size: var(--t-h2);
  font-weight: 300;
  color: var(--gold);
  letter-spacing: var(--ls-snug);
  line-height: var(--lh-tight);
  margin-bottom: var(--s-3);
}
.ac-num small {
  font-size: var(--t-small);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  color: var(--on-dark-caption);
  font-weight: 600;
  margin-left: var(--s-1);
}
.ac-name {
  font-size: var(--t-h3);
  font-weight: 500;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-4);
  border-bottom: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
}
.autonomy-card p {
  font-size: var(--t-small);
  line-height: var(--lh-normal);
  color: var(--on-dark-body);
}

/* ─── CREDENTIALS — stats bar + 3 pillars ────────────────────────────── */
.credentials { padding: var(--s-11) 0; background: var(--espresso); }
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-8);
  padding: var(--s-9) 0;
  border-top: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
  border-bottom: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
  margin-bottom: var(--s-10);
}
.stat { text-align: center; }
.stat .number {
  font-size: var(--t-h1);
  font-weight: 200;
  color: var(--gold);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  margin-bottom: var(--s-2);
}
.stat .unit {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--on-dark-caption);
  margin-bottom: var(--s-1);
}
.stat .desc {
  font-size: var(--t-small);
  color: var(--on-dark-body);
}
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-9);
}
.pillar h3 {
  font-size: var(--t-h3);
  font-weight: 500;
  color: var(--on-dark-heading);
  margin-bottom: var(--s-4);
  letter-spacing: var(--ls-snug);
}
.pillar p {
  font-size: var(--t-body);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
}

/* ─── PROCESS — 6 cards ──────────────────────────────────────────────── */
.process { padding: var(--s-11) 0; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
}
.process-card {
  background: rgba(255, 255, 255, 0.025);
  border: var(--bw-hair) solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}
.process-card:hover { transform: translateY(-2px); border-color: rgba(196, 162, 101, 0.4); }
.process-card .img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--g-900);
}
.process-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s;
}
.process-card:hover img { transform: scale(1.04); }
.process-card .body {
  padding: var(--s-5) var(--s-6);
}
.process-card .step {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  color: var(--gold);
  margin-bottom: var(--s-2);
}
.process-card h4 {
  font-size: var(--t-h4);
  font-weight: 600;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-2);
}
.process-card p {
  font-size: var(--t-small);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
}

/* ─── POD IN DETAIL — chapter container ──────────────────────────────── */
.pod-detail { padding: var(--s-11) 0; }
.pd-chapter { margin-bottom: var(--s-11); }
.pd-chapter:last-child { margin-bottom: 0; }
.pd-chapter-header { margin-bottom: var(--s-8); }
.pd-chapter-num {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  color: var(--gold);
  margin-bottom: var(--s-3);
}
.pd-chapter-title {
  font-size: var(--t-h2);
  font-weight: 300;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-4);
  max-width: 24ch;
}
.pd-chapter-lead {
  font-size: var(--t-body);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  max-width: 60ch;
}

/* Figures inside Pod in Detail */
.pd-figure { margin-bottom: var(--s-6); }
.pd-figure .frame {
  background: var(--g-900);
  overflow: hidden;
  box-shadow: var(--shadow-4);
}
.pd-figure .frame img {
  width: 100%; height: auto; display: block;
}
.pd-figure figcaption {
  margin-top: var(--s-4);
  font-size: var(--t-micro);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  color: var(--on-dark-caption);
}

/* Plan + section view stacked */
.pd-plan-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-8);
}
.pd-section-strip {
  margin-top: var(--s-7);
}
.pd-section-strip .frame img { display: block; width: 100%; }

/* Day/Night slider container */
.pd-slot { margin-bottom: var(--s-9); }
.pd-slot-head { margin-bottom: var(--s-5); }
.pd-slot-title {
  font-size: var(--t-h3);
  font-weight: 400;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  margin-bottom: var(--s-2);
}
.pd-slot-sub {
  font-size: var(--t-small);
  color: var(--on-dark-caption);
  line-height: var(--lh-normal);
  max-width: 72ch;
}
.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--g-900);
  box-shadow: var(--shadow-4);
  user-select: none;
  -webkit-user-select: none;
  cursor: ew-resize;
}
.slider img {
  display: block; pointer-events: none; -webkit-user-drag: none;
}
.slider .day {
  position: relative; z-index: 1;
  width: 100%; height: auto;
}
.slider .night {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  clip-path: inset(0 0 0 50%);
  z-index: 2;
}
.slider .handle {
  position: absolute; top: 0;
  left: 50%;
  width: 2px; height: 100%;
  background: var(--warm-white);
  z-index: 3;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(0,0,0,0.45);
}
.slider .handle::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 48px; height: 48px;
  margin: -24px 0 0 -24px;
  border-radius: 50%;
  background: var(--warm-white);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-4);
}
.slider .handle::after {
  content: '\2194';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--espresso);
  font-size: 20px;
  font-weight: 700;
  z-index: 1;
  pointer-events: none;
}
.slider .label {
  position: absolute;
  top: var(--s-5);
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  font-weight: 600;
  padding: var(--s-2) var(--s-3);
  background: rgba(30, 26, 23, 0.6);
  color: var(--on-dark-heading);
  backdrop-filter: blur(8px);
  z-index: 4;
  pointer-events: none;
}
.slider .label.left  { left: var(--s-5); }
.slider .label.right { right: var(--s-5); }

/* ─── MATERIALS — compact row ────────────────────────────────────────── */
.materials { padding: var(--s-11) 0; background: rgba(0, 0, 0, 0.25); }
.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  margin-top: var(--s-7);
}
.material {
  padding: var(--s-6);
  border-top: var(--bw-thick) solid var(--gold);
}
.material h4 {
  font-size: var(--t-h4);
  font-weight: 600;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  margin-bottom: var(--s-3);
}
.material p {
  font-size: var(--t-small);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
}

/* ─── ENGINEERING & PROTECTION — 8 vignette grid (S2) ────────────────── */
.protection-section { padding: var(--s-11) 0; background: var(--espresso); }
.protection-head { max-width: 760px; margin-bottom: var(--s-8); }
.protection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
  margin-top: var(--s-7);
}
.protection-card {
  background: rgba(255, 255, 255, 0.025);
  border: var(--bw-hair) solid rgba(196, 162, 101, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease, opacity 0.7s ease;
  /* initial state for IO reveal */
  opacity: 0;
  transform: translateY(18px);
}
.protection-section.in-view .protection-card { opacity: 1; transform: translateY(0); }
.protection-section.in-view .protection-card:nth-child(1) { transition-delay: 0.00s, 0.00s, 0.00s, 0.00s; }
.protection-section.in-view .protection-card:nth-child(2) { transition-delay: 0.00s, 0.06s, 0.00s, 0.06s; }
.protection-section.in-view .protection-card:nth-child(3) { transition-delay: 0.00s, 0.12s, 0.00s, 0.12s; }
.protection-section.in-view .protection-card:nth-child(4) { transition-delay: 0.00s, 0.18s, 0.00s, 0.18s; }
.protection-section.in-view .protection-card:nth-child(5) { transition-delay: 0.00s, 0.24s, 0.00s, 0.24s; }
.protection-section.in-view .protection-card:nth-child(6) { transition-delay: 0.00s, 0.30s, 0.00s, 0.30s; }
.protection-section.in-view .protection-card:nth-child(7) { transition-delay: 0.00s, 0.36s, 0.00s, 0.36s; }
.protection-section.in-view .protection-card:nth-child(8) { transition-delay: 0.00s, 0.42s, 0.00s, 0.42s; }
.protection-card:hover {
  border-color: rgba(196, 162, 101, 0.55);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(196, 162, 101, 0.18);
}
.pc-figure {
  aspect-ratio: 16 / 10;
  width: 100%;
  background: rgba(255, 255, 255, 0.035);
  border-bottom: var(--bw-hair) solid rgba(196, 162, 101, 0.12);
  overflow: hidden;
}
.pc-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s;
}
.protection-card:hover .pc-figure img { transform: scale(1.03); }
.pc-body {
  padding: var(--s-6) var(--s-5) var(--s-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.pc-name {
  font-size: var(--t-h4);
  font-weight: 500;
  color: var(--on-dark-heading);
  letter-spacing: var(--ls-snug);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-4);
  border-bottom: var(--bw-hair) solid rgba(196, 162, 101, 0.18);
}
.pc-body p {
  font-size: var(--t-small);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  margin: 0;
}
@media (prefers-reduced-motion: reduce) {
  .protection-card,
  .protection-section.in-view .protection-card { transition: none; opacity: 1; transform: none; }
}

/* ─── PRICING — 3 cards + timeline ────────────────────────────────────── */
.pricing { padding: var(--s-11) 0; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin-top: var(--s-8);
}
.price-card {
  padding: var(--s-9) var(--s-7);
  background: rgba(255,255,255,0.025);
  border: var(--bw-hair) solid rgba(255,255,255,0.06);
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}
.price-card:hover { transform: translateY(-3px); border-color: var(--gold); }
.price-card.featured { background: rgba(196, 162, 101, 0.06); border-color: rgba(196,162,101,0.4); }
.price-card .badge {
  position: absolute; top: var(--s-4); right: var(--s-4);
  font-size: var(--t-mini); letter-spacing: var(--ls-looser);
  color: var(--gold); text-transform: uppercase;
}
.price-card .model {
  font-size: var(--t-h2); font-weight: 200;
  color: var(--on-dark-heading); margin-bottom: var(--s-2);
  letter-spacing: var(--ls-snug);
}
.price-card .model-sub {
  font-size: var(--t-mini); letter-spacing: var(--ls-looser);
  text-transform: uppercase; color: var(--on-dark-caption);
  margin-bottom: var(--s-7);
}
.price-row {
  display: flex; justify-content: space-between;
  padding: var(--s-3) 0;
  border-bottom: var(--bw-hair) dashed rgba(255,255,255,0.08);
  font-size: var(--t-small);
}
.price-row .k { color: var(--on-dark-caption); }
.price-row .v { color: var(--on-dark-body); text-align: right; }
.price-block {
  margin-top: var(--s-7);
  padding-top: var(--s-6);
  border-top: var(--bw-hair) solid rgba(196,162,101,0.3);
}
.price-block .label {
  font-size: var(--t-mini); letter-spacing: var(--ls-looser);
  text-transform: uppercase; color: var(--on-dark-caption);
  margin-bottom: var(--s-2);
}
.price-block .amount {
  font-size: var(--t-h2); font-weight: 300; color: var(--gold);
  letter-spacing: var(--ls-snug);
  margin-bottom: var(--s-2);
}
.price-block .note {
  font-size: var(--t-micro);
  color: var(--on-dark-caption);
  margin-bottom: var(--s-5);
}
.price-block .cta {
  display: inline-block;
  padding: var(--s-3) var(--s-5);
  border: var(--bw-hair) solid var(--gold);
  color: var(--gold);
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  border-radius: var(--r-2);
}
.price-block .cta:hover { background: var(--gold); color: var(--espresso); }

.timeline {
  margin-top: var(--s-10);
  padding: var(--s-7) 0;
  border-top: var(--bw-hair) solid rgba(196,162,101,0.18);
  border-bottom: var(--bw-hair) solid rgba(196,162,101,0.18);
  display: grid;
  grid-template-columns: auto repeat(4, 1fr) auto;
  align-items: center;
  gap: var(--s-3);
}
.timeline-label {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  color: var(--gold);
  text-transform: uppercase;
}
.timeline-step {
  font-size: var(--t-small);
  color: var(--on-dark-body);
  text-align: center;
}
.timeline-step .num {
  display: block;
  font-size: var(--t-h3);
  font-weight: 200;
  color: var(--gold);
  margin-bottom: var(--s-1);
}
.timeline-arrow { color: var(--on-dark-faint); font-size: var(--t-h4); text-align: center; }

/* ─── FAQ ─────────────────────────────────────────────────────────────── */
.faq { padding: var(--s-11) 0; background: rgba(0,0,0,0.25); }
.faq-list { margin-top: var(--s-8); }
.faq-item {
  border-bottom: var(--bw-hair) solid rgba(255,255,255,0.08);
}
.faq-item summary {
  padding: var(--s-6) 0;
  font-size: var(--t-h4);
  font-weight: 600;
  color: var(--on-dark-heading);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: var(--s-8);
  letter-spacing: var(--ls-snug);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--t-h3);
  font-weight: 200;
  color: var(--gold);
  transition: transform 0.3s;
}
.faq-item[open] summary { color: var(--gold); }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  padding: 0 0 var(--s-6) 0;
  font-size: var(--t-body);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  max-width: 72ch;
}

/* ─── CONTACT ─────────────────────────────────────────────────────────── */
.contact { padding: var(--s-11) 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--s-10);
}
.contact-methods {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-7);
}
.contact-method {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  padding: var(--s-5);
  background: rgba(255,255,255,0.025);
  border: var(--bw-hair) solid rgba(255,255,255,0.06);
  transition: border-color 0.2s, transform 0.2s;
}
.contact-method:hover { border-color: var(--gold); transform: translateY(-1px); }
.contact-method .cm-label {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--gold);
}
.contact-method .cm-value {
  font-size: var(--t-body);
  color: var(--on-dark-heading);
  font-weight: 500;
}
.contact-method .cm-sub {
  font-size: var(--t-small);
  color: var(--on-dark-caption);
}

/* Form */
.contact-form { display: grid; gap: var(--s-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); }
.form-group { display: grid; gap: var(--s-2); }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  color: var(--on-dark-caption);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: var(--s-3) var(--s-4);
  background: rgba(255,255,255,0.04);
  border: var(--bw-hair) solid rgba(255,255,255,0.10);
  color: var(--warm-white);
  font-size: var(--t-body);
  border-radius: var(--r-2);
  transition: border-color 0.2s, background 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255,255,255,0.06);
}
.form-group select { appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; }
/* Native dropdown options render on the OS default (white) popup, where warm-white text vanishes.
   Force the options onto the dark theme so they stay legible when the list is open. */
.form-group select option {
  background-color: var(--espresso, #1E1A17);
  color: var(--warm-white, #FAF8F5);
}
/* Keep autofilled inputs on the dark theme (browsers otherwise force a light-blue/yellow bg). */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--warm-white, #FAF8F5);
  -webkit-box-shadow: 0 0 0 1000px var(--espresso, #1E1A17) inset;
  caret-color: var(--warm-white, #FAF8F5);
  transition: background-color 9999s ease-in-out 0s;
}
.checkbox-label {
  display: flex; gap: var(--s-3);
  font-size: var(--t-small);
  color: var(--on-dark-body);
  cursor: pointer;
  line-height: var(--lh-normal);
}
.checkbox-label input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--gold); }
.checkbox-label a { color: var(--gold); text-decoration: underline; }
.form-submit {
  padding: var(--s-4) var(--s-7);
  background: var(--gold);
  color: var(--espresso);
  font-size: var(--t-small);
  font-weight: 600;
  letter-spacing: var(--ls-loose);
  text-transform: uppercase;
  border-radius: var(--r-2);
  justify-self: start;
}
.form-submit:hover { background: var(--warm-white); }

/* ─── CLOSING ─────────────────────────────────────────────────────────── */
.closing {
  position: relative;
  height: 70vh;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}
.closing img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  z-index: 1;
}
.closing .veil {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg, rgba(30,26,23,0.65) 0%, rgba(30,26,23,0.85) 100%);
}
.closing .text {
  position: relative; z-index: 3;
  padding: 0 var(--s-7);
  max-width: 760px;
}
.closing p {
  font-size: var(--t-lead);
  font-weight: 300;
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  margin-bottom: var(--s-4);
}
.closing .signoff {
  font-size: var(--t-small);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--on-dark-caption);
}

/* ─── FOOTER ──────────────────────────────────────────────────────────── */
footer {
  padding: var(--s-10) var(--gutter);
  background: #0e0c0a;
  display: grid;
  grid-template-columns: 0.7fr 2fr 0.7fr;
  gap: var(--s-9);
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: var(--bw-hair) solid rgba(255,255,255,0.05);
  align-items: start;
}
footer .col { min-width: 0; }
.footer-brand p { max-width: 30ch; }
.footer-offices { display: flex; flex-direction: column; gap: var(--s-5); }
.footer-offices > h4 { margin-bottom: 0; }
.footer-offices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
}
@media (max-width: 720px) {
  .footer-offices-grid { grid-template-columns: 1fr; gap: var(--s-6); }
}
footer .col h4 {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-looser);
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--s-4);
}
footer .col p {
  font-size: var(--t-small);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  margin-bottom: var(--s-3);
}
footer .col a {
  color: var(--on-dark-body);
  display: block;
  margin-bottom: var(--s-2);
  font-size: var(--t-small);
}
footer .col a:hover { color: var(--gold); }
.footer-office { display: flex; flex-direction: column; }
.footer-office .fo-name {
  font-size: var(--t-h4);
  font-weight: 500;
  letter-spacing: var(--ls-snug);
  color: var(--on-dark-heading);
  margin-bottom: var(--s-2);
}
.footer-office .fo-hq { color: var(--gold); font-weight: 600; font-size: var(--t-mini); letter-spacing: var(--ls-loose); }
.footer-office address {
  font-style: normal;
  font-size: var(--t-small);
  color: var(--on-dark-body);
  line-height: var(--lh-normal);
  margin-bottom: var(--s-3);
}
.footer-brand img { height: 28px; width: auto; margin-bottom: var(--s-4); opacity: 0.95; }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: var(--s-7);
  border-top: var(--bw-hair) solid rgba(255,255,255,0.05);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.footer-line {
  font-size: var(--t-mini);
  letter-spacing: var(--ls-loose);
  color: var(--on-dark-body);
  text-transform: uppercase;
}
.footer-copyright {
  font-size: var(--t-micro);
  letter-spacing: var(--ls-loose);
  color: var(--on-dark-faint);
}
.footer-out { transition: color 0.2s; }
.footer-out:hover { color: var(--gold); }
.footer-out .arrow { display: inline-block; transition: transform 0.2s; }
.footer-out:hover .arrow { transform: translate(2px, -2px); }

/* WhatsApp float + legacy .cookie banner removed 2026-06-05 (merged into #cookie-bar) */

/* ─── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  :root {
    --t-display: 64px;
    --t-h1:      42px;
    --t-h2:      30px;
  }
  .stats-bar     { grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }
  .autonomy-banner { gap: var(--s-3); }
  .autonomy-cards  { grid-template-columns: repeat(3, 1fr); }
  .pillars       { grid-template-columns: 1fr; gap: var(--s-7); }
  .process-grid  { grid-template-columns: repeat(2, 1fr); }
  .materials-grid{ grid-template-columns: repeat(2, 1fr); }
  .protection-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid  { grid-template-columns: 1fr; }
  .split         { grid-template-columns: 1fr; }
  .split.reverse { direction: ltr; }
  .split .content { padding: var(--s-9) var(--s-7); max-width: none; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root {
    --t-display: 48px;
    --t-h1:      34px;
    --t-h2:      26px;
    --t-h3:      20px;
    --gutter: var(--s-5);
  }
  nav#topnav { padding: var(--s-4) var(--s-5); }
  nav#topnav.scrolled { padding: var(--s-3) var(--s-5); }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 80%; max-width: 320px;
    background: rgba(30, 26, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: var(--s-10);
    transform: translateX(100%);
    transition: transform 0.3s;
    gap: var(--s-7);
    align-items: flex-start;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; z-index: 101; padding: 12px; margin: -12px; box-sizing: content-box; }
  .hero { padding: 0 var(--s-5) var(--s-7) var(--s-5); }
  .hero .tagline { font-size: var(--t-h4); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .autonomy-banner { grid-template-columns: repeat(5, 1fr); gap: var(--s-2); }
  .ab-num { font-size: var(--t-h3); }
  .autonomy-cards { grid-template-columns: 1fr; }
  .process-grid, .materials-grid, .protection-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: auto repeat(2, 1fr) auto; }
  .timeline > *:nth-child(n+4):nth-child(-n+5) { display: none; }
  footer { grid-template-columns: 1fr; gap: var(--s-7); }
  .pd-figure figcaption { font-size: var(--t-micro); }
  .slider .handle::before { width: 40px; height: 40px; margin: -20px 0 0 -20px; }
}