/* ═══════════════════════════════════════════════════════════════
   NativeLab - Cinematic 3D Landing Page Styles
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --bg: #080808;
  --ink: #e8e8e8;
  --ink-2: #cccccc;
  --ink-3: #999999;
  --muted: #888888;
  --soft: #555555;
  --line: rgba(255,255,255,0.06);
  --green: #46be3c;
  --green-light: #82d282;
  --surface: rgba(255,255,255,0.04);
  --radius: 6px;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Loading Screen ──────────────────────────────────────────── */

#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-content {
  text-align: center;
  width: 280px;
}

.loader-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  margin-bottom: 16px;
}

.loader-logo {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  color: var(--ink);
}

.loader-logo span {
  color: #46be3c;
}

.loader-bar-track {
  width: 100%;
  height: 2px;
  background: var(--line);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 12px;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--ink);
  border-radius: 1px;
  transition: width 0.1s linear;
}

.loader-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Cut Overlay ─────────────────────────────────────────────── */

#cut-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
}

/* ── Canvas Container ────────────────────────────────────────── */

#canvas-container {
  position: fixed;
  inset: 0;
  z-index: 1;
}

#canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── Navigation ──────────────────────────────────────────────── */

#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 56px;
  background: rgba(8, 8, 8, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

#site-nav.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.nav-logo span {
  color: var(--green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  color: #080808 !important;
  background: #ffffff;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700 !important;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: #dddddd;
}

.nav-download {
  color: #fff !important;
  background: #55C2A4 !important;
}

.nav-download:hover {
  background: #45a88a !important;
}

/* ── Text Layer ──────────────────────────────────────────────── */

#text-layer {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  overflow: hidden;
}

#text-layer > * {
  pointer-events: auto;
}

.text-block {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  max-width: 520px;
  padding: 0 32px;
  transition: opacity 0.3s ease;
}

.text-block.visible {
  pointer-events: auto;
}

.text-center {
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: 640px;
}

.text-left {
  left: 5%;
  top: 35%;
}

.text-right {
  right: 5%;
  top: 35%;
  text-align: right;
}

/* Per-section positioning to prevent overlap */
#text-s1 { top: 35%; left: 50%; transform: translateX(-50%); text-align: center; }
#text-s2 { top: 28%; left: 5%; }
#text-s3 { top: 22%; left: 5%; max-width: 480px; }
#text-s4 { top: 22%; right: 5%; left: auto; max-width: 480px; }
#text-s6 { top: 28%; left: 50%; transform: translateX(-50%); text-align: center; max-width: 700px; }
#text-s8 { top: 30%; left: 50%; transform: translateX(-50%); text-align: center; max-width: 600px; }
#text-s9 { bottom: 8%; top: auto; left: 50%; transform: translateX(-50%); text-align: center; max-width: 480px; }

/* ── Typography ──────────────────────────────────────────────── */

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
  color: #ffffff;
  text-shadow: 0 0 40px rgba(0,0,0,0.8);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 300;
  color: #999999;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.manifesto-line {
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 400;
  line-height: 1.9;
  color: #cccccc;
  margin-bottom: 6px;
}

.manifesto-sub {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: #888888;
  margin-top: 4px;
}

.manifesto-big {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #ffffff;
  margin-top: 16px;
}

.manifesto-huge {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #ffffff;
  margin-top: 12px;
}

.green {
  color: #46be3c;
}

/* ── Feature Tags ────────────────────────────────────────────── */

.feature-tag {
  position: absolute;
  left: 5%;
  max-width: 360px;
  background: rgba(240, 240, 240, 0.96);
  border-left: 3px solid #46be3c;
  border-radius: 4px;
  padding: 14px 18px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  z-index: 55;
}

.feature-tag.visible {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.feature-tag-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 6px;
  color: #46be3c;
}

.feature-tag-icon svg {
  width: 100%;
  height: 100%;
}

.feature-tag h3 {
  font-size: 14px;
  font-weight: 700;
  color: #000000;
  margin: 0 0 4px 0;
}

.feature-tag p {
  font-size: 12px;
  font-weight: 300;
  color: #444444;
  line-height: 1.4;
  margin: 0;
}

/* ── Split Section ───────────────────────────────────────────── */

.split-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 24px;
  width: 85%;
  max-width: 800px;
  opacity: 0;
  pointer-events: none;
}

.split-container.visible {
  pointer-events: auto;
}

.split-card {
  flex: 1;
  background: rgba(15, 15, 15, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(20px);
}

.split-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}

.split-card p {
  font-size: 0.85rem;
  font-weight: 400;
  color: #888888;
  line-height: 1.5;
}

/* ── CTA Section ─────────────────────────────────────────────── */

.cta-section {
  bottom: 8%;
  width: 90%;
  max-width: 480px;
}

.cta-form {
  display: flex;
  gap: 8px;
  margin: 24px auto 0;
  max-width: 360px;
  justify-content: center;
}

.cta-star-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  background: #46be3c;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.2s, transform 0.1s;
}

.cta-star-btn:hover {
  background: #3aa832;
  transform: scale(1.03);
}

.cta-star-btn svg {
  flex-shrink: 0;
}

.cta-docs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.cta-docs a {
  color: #46be3c;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid rgba(70, 190, 60, 0.3);
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.cta-docs a:hover {
  color: #ffffff;
  border-color: #46be3c;
  background: rgba(70, 190, 60, 0.15);
}

.cta-form button {
  height: 44px;
  padding: 0 20px;
  border: none;
  border-radius: 6px;
  background: #ffffff;
  color: #080808;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.cta-form button:hover {
  background: #dddddd;
}

.cta-social {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 20px;
}

.cta-social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  transition: color 0.2s;
}

.cta-social a:hover {
  color: var(--ink);
}

.cta-social a svg {
  width: 16px;
  height: 16px;
}

.cta-footer {
  font-size: 0.68rem;
  color: var(--soft);
  margin-top: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Mobile Features ─────────────────────────────────────────── */

#mobile-features {
  display: none;
  position: relative;
  z-index: 60;
  padding: 24px 16px;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-feature-card {
  background: rgba(15, 15, 15, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 3px solid #46be3c;
  border-radius: 0 6px 6px 0;
  padding: 16px 18px;
  margin-bottom: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.mobile-feature-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.mobile-feature-card .mfc-icon {
  width: 22px;
  height: 22px;
  color: #46be3c;
  margin-bottom: 6px;
}

.mobile-feature-card .mfc-icon svg {
  width: 100%;
  height: 100%;
}

.mobile-feature-card h3 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
}

.mobile-feature-card p {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 768px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .text-left,
  .text-right {
    left: 5%;
    right: 5%;
    max-width: 90%;
    text-align: center;
  }

  .text-block {
    padding: 0 16px;
  }

  .split-container {
    flex-direction: column;
    gap: 12px;
  }

  .feature-tag {
    display: none;
  }

  #mobile-features {
    display: block;
  }

  .cta-form {
    flex-direction: column;
  }

  .cta-section {
    bottom: 4%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .manifesto-huge {
    font-size: 1.8rem;
  }
}