/* ═══════════════════════════════════════════════════
   OZANA HUB — Product Landing Pages (Shared CSS)
   Cyberpunk Matte Dark · Commercial Aesthetic
   ═══════════════════════════════════════════════════ */

:root {
  --bg: #050507;
  --surface: #0c0c0f;
  --surface-2: #111116;
  --line: #1e1e24;
  --line-bright: #2e2e36;
  --ink: #e4e4e8;
  --dim: #6a6a76;
  --accent: #ffffff;
  --accent-dim: rgba(255,255,255,0.06);
}

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

html {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Syne', 'Inter', system-ui, sans-serif;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; overflow-x: hidden; }

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  letter-spacing: 0.07em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Grid Overlay & Field Background ── */
#field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 72%);
}

/* ── Top Navigation Bar ── */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(5,5,7,0.88);
  backdrop-filter: blur(14px);
}
.landing-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}
.landing-nav .brand .led {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #d8d8d8;
  box-shadow: 0 0 8px #fff;
  display: inline-block;
}
.landing-nav .back-link {
  font-size: 11px;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 6px 14px;
  transition: all 0.2s ease;
}
.landing-nav .back-link:hover {
  color: var(--ink);
  border-color: var(--line-bright);
}

/* ── Hero Section ── */
.hero-section {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 80px 32px 60px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 5px 14px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(32px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}
.hero-title span {
  color: var(--dim);
}
.hero-subtitle {
  font-size: clamp(14px, 2vw, 18px);
  color: var(--dim);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.6;
  font-weight: 400;
}

/* ── CTA Buttons ── */
.cta-group {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, #ffffff, #d4d4d8);
  color: #000;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 28px rgba(255,255,255,0.12);
}
.cta-primary:hover {
  background: #fff;
  box-shadow: 0 12px 40px rgba(255,255,255,0.25);
  transform: translateY(-2px);
}
.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid var(--line-bright);
  border-radius: 6px;
  transition: all 0.3s ease;
}
.cta-secondary:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

/* ── Divider ── */
.section-divider {
  border: none;
  border-top: 1px solid var(--line);
  max-width: 760px;
  margin: 0 auto;
}

/* ── Features Grid ── */
.features-section {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 70px 32px;
}
.section-label {
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-heading {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
  line-height: 1.05;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.feature-card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: var(--line-bright);
  background: var(--surface-2);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  filter: grayscale(100%) brightness(1.8);
}
.feature-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 13px;
  color: var(--dim);
  line-height: 1.55;
}

/* ── Tech Stack / Specs Row ── */
.specs-section {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 70px 32px;
}
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.spec-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.spec-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.spec-label {
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ── Compliance / Standards Badges ── */
.compliance-section {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 50px 32px 70px;
}
.compliance-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.compliance-badge {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--dim);
  text-transform: uppercase;
  background: var(--surface);
}

/* ── Bottom CTA Banner ── */
.bottom-cta {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 32px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg), var(--surface));
}
.bottom-cta h2 {
  font-size: clamp(22px, 3.5vw, 38px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.bottom-cta p {
  font-size: 14px;
  color: var(--dim);
  margin-bottom: 28px;
}

/* ── Footer ── */
.landing-footer {
  position: relative;
  z-index: 2;
  padding: 24px 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--dim);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero-section { padding: 50px 18px 40px; }
  .features-section,
  .specs-section,
  .compliance-section { padding-left: 18px; padding-right: 18px; }
  .landing-nav { padding: 12px 16px; }
  .cta-group { flex-direction: column; align-items: center; }
  .landing-footer { flex-direction: column; gap: 8px; text-align: center; }
}

/* ── Strict Monochrome Enforcement (Black & White / Silver) ── */
.feature-icon,
.spec-value,
.pitch-icon,
.card-hud,
.hero-badge,
.cat-badge,
.icon,
.cyber-pill span.icon,
.cyber-pill,
.cat-contact-link,
.cta-primary,
.cta-secondary,
.back-link,
.contact-trigger,
.m-note,
.placeholder,
[class*="icon"],
[class*="badge"],
[class*="spec"] {
  -webkit-filter: grayscale(100%) contrast(130%) brightness(1.2);
  filter: grayscale(100%) contrast(130%) brightness(1.2);
}

/* ══════════════════════════════════════════════════════════
   NATIVE LIGHT MODE (Linear / Apple / Stripe Clean Theme)
   ══════════════════════════════════════════════════════════ */
html.light-mode,
body.light-mode {
  --bg: #f5f6f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --line: rgba(0, 0, 0, 0.09);
  --line-bright: rgba(0, 0, 0, 0.2);
  --ink: #0f1117;
  --dim: #5c6270;
  --accent: #0f1117;
  --accent-dim: rgba(0, 0, 0, 0.05);
  background-color: #f5f6f9 !important;
  color: #0f1117 !important;
}

body.light-mode .grid-bg {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
}

body.light-mode .landing-nav {
  background: rgba(245, 246, 249, 0.90);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

body.light-mode .landing-nav .brand .led {
  background: #0f1117;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.35);
}

body.light-mode .landing-nav .back-link {
  color: #5c6270;
  border-color: rgba(0, 0, 0, 0.12);
  background: #ffffff;
}

body.light-mode .landing-nav .back-link:hover {
  color: #0f1117;
  border-color: rgba(0, 0, 0, 0.35);
}

body.light-mode .hero-title {
  color: #0f1117;
}

body.light-mode .hero-title span {
  color: #5c6270;
}

body.light-mode .hero-subtitle {
  color: #4b5262;
}

body.light-mode .hero-badge {
  background: #ffffff;
  color: #5c6270;
  border-color: rgba(0, 0, 0, 0.12);
}

body.light-mode .cta-primary {
  background: #0f1117;
  color: #ffffff;
}

body.light-mode .cta-primary:hover {
  background: #252833;
}

body.light-mode .cta-secondary {
  background: #ffffff;
  color: #0f1117;
  border-color: rgba(0, 0, 0, 0.15);
}

body.light-mode .cta-secondary:hover {
  background: #f0f2f5;
  border-color: rgba(0, 0, 0, 0.3);
}

body.light-mode .feature-card,
body.light-mode .metric-card,
body.light-mode .spec-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

body.light-mode .feature-title,
body.light-mode .metric-val,
body.light-mode .spec-label {
  color: #0f1117;
}

body.light-mode .feature-desc,
body.light-mode .metric-label,
body.light-mode .spec-value {
  color: #5c6270;
}

body.light-mode .landing-footer {
  border-top-color: rgba(0, 0, 0, 0.08);
  color: #5c6270;
}
