/* ═══════════════════════════════════════════════════════════════════════════
   LicoLite — Official Website Styles
   Brand: Charcoal Lite, Licorice Gold, Ice Blue, Prism Violet
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand Colors */
  --gold: #c9a96e;
  --gold-light: #f0d28c;
  --gold-deep: #a8893a;
  --ice: #4fc3f7;
  --ice-light: #80deea;
  --violet: #a78bfa;
  --obsidian: #131217;
  --obsidian-light: #1b1a20;
  --obsidian-surface: #232229;
  --linen: #ede6d6;
  --linen-dim: #b0a899;
  --slate: #5a6a7a;
  --silver: #7a8ea8;

  /* Typography */
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-body: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'IBM Plex Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-pad: 120px;
  --container-width: 1200px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--obsidian);
  color: var(--linen);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Navigation ────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.nav-scrolled {
  background: rgba(19, 18, 23, 0.9);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom-color: rgba(201, 169, 110, 0.08);
}

.nav-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-wordmark {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 4px;
  color: var(--linen);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--slate);
  transition: color 0.2s;
}

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

.nav-github {
  display: flex;
  align-items: center;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.nav-github:hover {
  opacity: 1;
}

/* ── Hero Section ──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.hero-glow-1 {
  top: 20%;
  left: 30%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 195, 247, 0.04) 0%, transparent 70%);
}

.hero-glow-2 {
  top: 40%;
  right: 20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.03) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='138.56'%3E%3Cline x1='0' y1='0' x2='80' y2='0' stroke='rgb(201,169,110)' stroke-opacity='.025' stroke-width='1'/%3E%3Cline x1='0' y1='69.28' x2='80' y2='69.28' stroke='rgb(201,169,110)' stroke-opacity='.025' stroke-width='1'/%3E%3Cline x1='0' y1='0' x2='80' y2='138.56' stroke='rgb(201,169,110)' stroke-opacity='.025' stroke-width='1'/%3E%3Cline x1='0' y1='138.56' x2='80' y2='0' stroke='rgb(201,169,110)' stroke-opacity='.025' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 80px 138.56px;
  background-position: center top;
  background-repeat: repeat;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 720px;
}

.hero-icon {
  margin: 0 auto 40px;
  width: 200px;
  height: 200px;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-title {
  margin-bottom: 24px;
}

.hero-title-main {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 200;
  letter-spacing: 14px;
  color: var(--linen);
  margin-bottom: 12px;
}

.hero-title-sub {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(13px, 2vw, 15px);
  font-weight: 300;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--slate);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-version {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.version-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(201, 169, 110, 0.1);
  border: 1px solid rgba(201, 169, 110, 0.2);
  color: var(--gold);
}

.version-text {
  font-size: 12px;
  color: var(--slate);
  letter-spacing: 1px;
}

.hero-prism {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 10%,
    rgba(201, 169, 110, 0.3) 25%,
    rgba(79, 195, 247, 0.3) 50%,
    rgba(167, 139, 250, 0.2) 75%,
    transparent 90%
  );
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--obsidian);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: 0 4px 24px rgba(201, 169, 110, 0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--linen-dim);
  border-color: rgba(201, 169, 110, 0.15);
}

.btn-ghost:hover {
  border-color: rgba(201, 169, 110, 0.3);
  color: var(--linen);
  background: rgba(201, 169, 110, 0.03);
}

/* ── Section Shared ────────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.8;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: -0.5px;
  line-height: 1.25;
  color: var(--linen);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 15px;
  color: var(--slate);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Features Section ──────────────────────────────────────────────────────── */
.features {
  padding: var(--section-pad) 0;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 195, 247, 0.015) 0%, transparent 60%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border-radius: 12px;
  background: rgba(35, 34, 41, 0.4);
  border: 1px solid rgba(201, 169, 110, 0.06);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: rgba(201, 169, 110, 0.12);
  background: rgba(35, 34, 41, 0.7);
  transform: translateY(-2px);
}

.feature-icon {
  margin-bottom: 20px;
  opacity: 0.85;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-bottom: 10px;
  color: var(--linen);
}

.feature-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--slate);
}

/* ── Architecture Section ──────────────────────────────────────────────────── */
.architecture {
  padding: var(--section-pad) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(35, 34, 41, 0.3) 50%, transparent 100%);
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.arch-card {
  padding: 28px;
  border-radius: 12px;
  background: rgba(19, 18, 23, 0.6);
  border: 1px solid rgba(79, 195, 247, 0.06);
  transition: border-color 0.3s, transform 0.3s;
}

.arch-card:hover {
  border-color: rgba(79, 195, 247, 0.12);
  transform: translateY(-2px);
}

.arch-card-primary {
  border-color: rgba(201, 169, 110, 0.12);
  background: rgba(201, 169, 110, 0.02);
}

.arch-card-primary:hover {
  border-color: rgba(201, 169, 110, 0.2);
}

.arch-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.arch-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  background: rgba(201, 169, 110, 0.08);
  color: var(--gold);
  border: 1px solid rgba(201, 169, 110, 0.12);
}

.arch-card-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--linen);
}

.arch-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
  margin-bottom: 14px;
}

.arch-tech {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ice);
  opacity: 0.6;
  letter-spacing: 0.3px;
}

/* ── Integrations Section ──────────────────────────────────────────────────── */
.integrations {
  padding: var(--section-pad) 0;
}

.integrations-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.integration-item {
  padding: 12px 24px;
  border-radius: 8px;
  background: rgba(35, 34, 41, 0.5);
  border: 1px solid rgba(201, 169, 110, 0.06);
  transition: border-color 0.3s, background 0.3s;
}

.integration-item:hover {
  border-color: rgba(201, 169, 110, 0.15);
  background: rgba(35, 34, 41, 0.8);
}

.integration-name {
  font-size: 14px;
  font-weight: 400;
  color: var(--linen-dim);
  letter-spacing: 0.3px;
}

.integrations-extra {
  text-align: center;
}

.integrations-extra p {
  font-size: 14px;
  color: var(--slate);
}

.integrations-extra strong {
  color: var(--linen-dim);
  font-weight: 400;
}

/* ── Quick Start Section ───────────────────────────────────────────────────── */
.quickstart {
  padding: var(--section-pad) 0;
  position: relative;
  background: linear-gradient(180deg, rgba(35, 34, 41, 0.2) 0%, transparent 100%);
}

.quickstart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.quickstart-step {
  display: flex;
  gap: 20px;
  padding: 28px;
  border-radius: 12px;
  background: rgba(19, 18, 23, 0.5);
  border: 1px solid rgba(201, 169, 110, 0.08);
  transition: border-color 0.3s, transform 0.3s;
}

.quickstart-step:hover {
  border-color: rgba(201, 169, 110, 0.15);
  transform: translateY(-2px);
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.12), rgba(201, 169, 110, 0.04));
  border: 1px solid rgba(201, 169, 110, 0.2);
  color: var(--gold);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--linen);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
  margin-bottom: 14px;
}

.code-block {
  display: inline-block;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 6px;
  background: rgba(35, 34, 41, 0.8);
  border: 1px solid rgba(79, 195, 247, 0.1);
  color: var(--ice);
  letter-spacing: 0.2px;
  display: inline-block;
}

.quickstart-alt {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(201, 169, 110, 0.06);
}

.quickstart-alt h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--linen-dim);
  margin-bottom: 8px;
}

.quickstart-alt p {
  font-size: 13.5px;
  color: var(--slate);
  margin-bottom: 16px;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(201, 169, 110, 0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 3px;
  color: var(--slate);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 12px;
  color: var(--slate);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--linen-dim);
}

.footer-copy {
  font-size: 11px;
  color: var(--slate);
  opacity: 0.6;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-pad: 80px;
  }

  .nav-links a:not(.nav-github) {
    display: none;
  }

  .hero {
    padding: 100px 24px 60px;
    min-height: auto;
  }

  .hero-icon {
    width: 160px;
    height: 160px;
  }

  .quickstart-grid {
    grid-template-columns: 1fr;
  }

  .hero-title-main {
    letter-spacing: 8px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .arch-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  .hero-title-main {
    letter-spacing: 5px;
  }

  .hero-title-sub {
    letter-spacing: 2px;
  }

  .integrations-list {
    gap: 8px;
  }

  .integration-item {
    padding: 10px 16px;
  }
}

/* ── Animations ────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .quickstart-step,
  .feature-card,
  .arch-card,
  .integration-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
  }

  .quickstart-step:nth-child(1) { animation-delay: 0.05s; }
  .quickstart-step:nth-child(2) { animation-delay: 0.15s; }
  .quickstart-step:nth-child(3) { animation-delay: 0.25s; }

  .feature-card:nth-child(1) { animation-delay: 0.05s; }
  .feature-card:nth-child(2) { animation-delay: 0.1s; }
  .feature-card:nth-child(3) { animation-delay: 0.15s; }
  .feature-card:nth-child(4) { animation-delay: 0.2s; }
  .feature-card:nth-child(5) { animation-delay: 0.25s; }
  .feature-card:nth-child(6) { animation-delay: 0.3s; }
  .feature-card:nth-child(7) { animation-delay: 0.35s; }
  .feature-card:nth-child(8) { animation-delay: 0.4s; }

  .arch-card:nth-child(1) { animation-delay: 0.05s; }
  .arch-card:nth-child(2) { animation-delay: 0.1s; }
  .arch-card:nth-child(3) { animation-delay: 0.15s; }
  .arch-card:nth-child(4) { animation-delay: 0.2s; }
  .arch-card:nth-child(5) { animation-delay: 0.25s; }
  .arch-card:nth-child(6) { animation-delay: 0.3s; }

  .integration-item:nth-child(1) { animation-delay: 0.02s; }
  .integration-item:nth-child(2) { animation-delay: 0.04s; }
  .integration-item:nth-child(3) { animation-delay: 0.06s; }
  .integration-item:nth-child(4) { animation-delay: 0.08s; }
  .integration-item:nth-child(5) { animation-delay: 0.1s; }
  .integration-item:nth-child(6) { animation-delay: 0.12s; }
  .integration-item:nth-child(7) { animation-delay: 0.14s; }
  .integration-item:nth-child(8) { animation-delay: 0.16s; }
  .integration-item:nth-child(9) { animation-delay: 0.18s; }
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}