@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Barlow+Condensed:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@300;400;500&display=swap');

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

:root {
  --ink:        #0A0906;
  --coal:       #141210;
  --char:       #1E1C18;
  --ash:        #2A2820;
  --stone:      #3A3830;
  --slate:      #5A5848;
  --iron:       #8A8878;
  --bone:       #D8D4C8;
  --warm-white: #F8F4EC;
  --gold:       #C8922A;
  --gold-dark:  #9A6E18;
  --gold-light: #E8B84A;
  --border:     rgba(200,146,42,0.15);
  --border2:    rgba(200,146,42,0.30);
  --rule:       rgba(184,180,168,0.12);
  --font-display: 'Cormorant Garamond', serif;
  --font-body:    'Barlow Condensed', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--bone);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NOISE TEXTURE OVERLAY ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── NAV ───────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 56px;
  background: rgba(10,9,6,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 48px;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo svg { width: 32px; height: 32px; }

.nav-wordmark {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--warm-white);
  text-transform: uppercase;
}

.nav-wordmark span {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 2px;
  color: var(--gold-dark);
  display: block;
  margin-top: -2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0 18px;
  height: 56px;
  line-height: 56px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ── LAYOUT ────────────────────────────────────────────────────────── */
.page { padding-top: 56px; min-height: 100vh; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 48px; }

/* ── HERO ──────────────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 48px;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,146,42,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,146,42,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 50%, transparent 20%, var(--ink) 75%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: 900px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold-dark);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: 2px;
  color: var(--warm-white);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.hero h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
}

.hero-rule {
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 24px 0;
}

.hero-sub {
  font-size: 18px;
  font-weight: 300;
  color: var(--iron);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-sub strong { color: var(--bone); font-weight: 500; }

.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

/* ── BUTTONS ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.btn-primary {
  background: var(--gold);
  color: var(--ink);
}

.btn-primary:hover { background: var(--gold-light); }

.btn-secondary {
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--border2);
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ── STAT BAR ──────────────────────────────────────────────────────── */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  margin-top: 72px;
  background: rgba(20,18,16,0.6);
}

.stat {
  padding: 24px 28px;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }

.stat-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--gold);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-lbl {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ── SECTION HEADERS ───────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--warm-white);
  text-transform: uppercase;
  line-height: 1.0;
  margin-bottom: 16px;
}

.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
}

.section-rule {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(200,146,42,0.1), transparent);
  margin-bottom: 32px;
}

.section-body {
  font-size: 16px;
  font-weight: 300;
  color: var(--iron);
  line-height: 1.85;
  max-width: 680px;
}

.section-body strong { color: var(--bone); font-weight: 500; }

/* ── CARDS ─────────────────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; margin-top: 48px; }
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px; }

.card {
  background: var(--coal);
  border: 1px solid var(--rule);
  padding: 32px;
  position: relative;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--border); }

.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.2s;
}
.card:hover::before { opacity: 1; }

.card-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 8px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--warm-white);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.card-body {
  font-size: 14px;
  font-weight: 300;
  color: var(--iron);
  line-height: 1.75;
}

.card-body strong { color: var(--bone); font-weight: 500; }

/* ── PLATFORM CARDS ────────────────────────────────────────────────── */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 48px;
}

.platform-card {
  background: var(--coal);
  border: 1px solid var(--rule);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.platform-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.platform-card:hover::after { opacity: 1; }

.platform-designation {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.platform-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--warm-white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.platform-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.spec-item {}
.spec-key {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  display: block;
  margin-bottom: 2px;
}
.spec-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--bone);
}

.platform-desc {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.7;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  margin-top: 16px;
}

/* ── TECH SPECS TABLE ──────────────────────────────────────────────── */
.spec-table { width: 100%; border-collapse: collapse; margin-top: 32px; }
.spec-table tr { border-bottom: 1px solid var(--rule); }
.spec-table tr:hover td { background: rgba(200,146,42,0.03); }
.spec-table td {
  padding: 14px 16px;
  font-size: 14px;
  vertical-align: top;
}
.spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--slate);
  width: 220px;
  padding-top: 16px;
  text-transform: uppercase;
}
.spec-table td:last-child {
  color: var(--bone);
  font-weight: 400;
  line-height: 1.6;
}

/* ── CALLOUT BOX ───────────────────────────────────────────────────── */
.callout {
  border-left: 2px solid var(--gold);
  background: var(--coal);
  padding: 24px 28px;
  margin: 32px 0;
}
.callout-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 300;
  font-style: italic;
  color: var(--iron);
  line-height: 1.6;
}
.callout-text strong { color: var(--gold-light); font-style: normal; }

/* ── CHALLENGE LIST ────────────────────────────────────────────────── */
.challenge-list { margin-top: 32px; display: flex; flex-direction: column; gap: 2px; }
.challenge-item {
  background: var(--coal);
  border: 1px solid var(--rule);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: start;
  gap: 16px;
}
.challenge-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
  padding-top: 2px;
}
.challenge-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--bone);
  margin-bottom: 4px;
}
.challenge-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.6;
}
.challenge-diff {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid;
}
.diff-critical { color: #C8402A; border-color: rgba(200,64,42,0.3); }
.diff-high { color: var(--gold); border-color: var(--border); }
.diff-moderate { color: #7A8A5A; border-color: rgba(122,138,90,0.3); }

/* ── CONTACT FORM ──────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--coal);
  border: 1px solid var(--rule);
  color: var(--bone);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  -webkit-appearance: none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--gold-dark);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field select option { background: var(--coal); }

/* ── FOOTER ────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--rule);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--coal);
}

.footer-left {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--gold); }

/* ── DIVIDER ───────────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--rule);
  margin: 48px 0;
}

/* ── FADE IN ────────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 60px 20px; }
  .wrap, .wrap-narrow { padding: 0 20px; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .card-grid-3, .platform-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 16px; text-align: center; }
  .challenge-item { grid-template-columns: 1fr; }
}