/* Matrix Marketing Site — CREAO warm-charcoal aesthetic */
/* Design tokens adapted from the Matrix app design system */

:root {
  --bg: #161615;
  --fg: #e3d9d4;
  --card: #1b1b19;
  --popover: #222220;
  --primary: #353530;
  --primary-fg: #e3d9d4;
  --muted: #1b1b19;
  --muted-fg: #96918e;
  --accent: #222220;
  --accent-fg: #e3d9d4;
  --destructive: #ef4444;
  --border: #2a2a27;
  --border-light: #1b1b19;
  --border-medium: #2a2a27;
  --border-heavy: #4a463f;
  --ring: #99bd9c;
  --pax: #99bd9c;
  --pax-soft: rgba(153,189,156,0.14);
  --pax-softer: rgba(153,189,156,0.08);
  --text-primary: #e3d9d4;
  --text-secondary: #dbd1cd;
  --text-tertiary: #96918e;
  --text-warning: #fe9a00;
  --surface-primary: #161615;
  --surface-secondary: #1b1b19;
  --surface-tertiary: #1b1b19;
  --surface-hover: #2a2a27;
  --surface-hover-alt: #353530;
  --surface-active: #2a2a27;
  --gray-50: #faf8f6; --gray-100: #f2efeb; --gray-200: #e3d9d4;
  --gray-300: #cbbfb8; --gray-400: #96918e; --gray-500: #6e6a62;
  --gray-600: #4a463f; --gray-700: #353530; --gray-800: #2a2a27;
  --gray-900: #1b1b19; --gray-950: #0a0a0a;
  --green-400: #99bd9c; --green-500: #7fa382; --green-600: #6a8a6d;
  --radius: 0.625rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --max-w: 1200px;
  --header-h: 64px;
}

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

html {
  font-size: 120%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media (max-width: 639.98px) { html { font-size: 108%; } }

body {
  font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
}
::selection { background: rgba(227,217,212,0.18); }

/* ─── Typography ─────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--text-secondary); line-height: 1.7; }
a { color: var(--pax); text-decoration: none; transition: color 0.2s; }
a:hover { color: #b5d4b7; }
code, .mono {
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace;
  font-size: 0.85em;
}

/* ─── Layout helpers ─────────────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; }
@media (max-width: 768px) { .section { padding: 3.5rem 0; } }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(22,22,21,0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; font-size: 1.15rem; color: var(--fg);
  text-decoration: none; letter-spacing: -0.03em;
}
.logo-mark {
  width: 28px; height: 28px; background: var(--pax);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.7rem; color: var(--bg); letter-spacing: 0.05em;
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: 0.82rem; color: var(--text-tertiary); text-decoration: none;
  transition: color 0.2s; font-weight: 500;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }

/* Dropdown menus */
.nav-item { position: relative; }
.nav-dropdown {
  display: none; position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%); min-width: 200px;
  background: var(--popover); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 0.5rem;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.nav-item:hover .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block; padding: 0.5rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.8rem; color: var(--text-secondary);
}
.nav-dropdown a:hover { background: var(--surface-hover); color: var(--fg); }
.nav-dropdown::before {
  content: ''; position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
  width: 100%; height: 8px;
}

/* Header CTAs */
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.55rem 1.25rem; border-radius: var(--radius); font-size: 0.82rem;
  font-weight: 600; border: none; cursor: pointer; transition: all 0.2s;
  text-decoration: none; white-space: nowrap;
}
.btn-ghost {
  background: transparent; color: var(--text-tertiary);
}
.btn-ghost:hover { color: var(--fg); background: var(--surface-hover); }
.btn-primary {
  background: var(--pax); color: var(--bg);
}
.btn-primary:hover { background: #a8c9aa; }
.btn-secondary {
  background: var(--primary); color: var(--fg); border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface-hover-alt); border-color: var(--border-heavy); }
.btn-large { padding: 0.75rem 2rem; font-size: 0.95rem; border-radius: var(--radius-lg); }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius); }

/* Mobile menu */
.mobile-toggle {
  display: none; background: none; border: none; color: var(--fg);
  cursor: pointer; padding: 0.5rem;
}
.mobile-toggle svg { width: 24px; height: 24px; }
@media (max-width: 900px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: var(--header-h); left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 1.5rem; gap: 0.5rem;
  }
  .nav-dropdown { position: static; transform: none; box-shadow: none;
    border: none; background: transparent; padding: 0 0 0 1rem; display: none; }
  .nav-item:hover .nav-dropdown, .nav-item.open .nav-dropdown { display: block; }
}

/* ─── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: flex; align-items: center; justify-content: center;
  padding-top: var(--header-h); position: relative; overflow: hidden;
}
.hero-inner {
  text-align: center; max-width: 800px; padding: 4rem 1.5rem;
  position: relative; z-index: 2;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.35rem 1rem; border-radius: 9999px;
  background: var(--pax-softer); border: 1px solid rgba(153,189,156,0.18);
  font-size: 0.75rem; color: var(--pax); font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--pax);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 { margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--pax); }
.hero .subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem); color: var(--text-tertiary);
  max-width: 640px; margin: 0 auto 2.5rem; line-height: 1.7;
}
.hero-ctas { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* Grid background */
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(227,217,212,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(227,217,212,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}
/* Glow */
.hero::after {
  content: ''; position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse, rgba(153,189,156,0.06) 0%, transparent 70%);
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}
.card:hover {
  border-color: var(--border-heavy); transform: translateY(-2px);
}
.card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; font-size: 1.25rem;
}
.card-icon.neo-icon { background: var(--pax-softer); color: var(--pax); }
.card-icon.mcl-icon { background: rgba(171,104,255,0.14); color: #ab68ff; }
.card h3 { margin-bottom: 0.75rem; font-size: 1.15rem; }
.card p { font-size: 0.88rem; color: var(--text-tertiary); }

/* ─── Section headers ────────────────────────────────────────────────────────── */
.section-header {
  text-align: center; max-width: 680px; margin: 0 auto 3.5rem;
}
.section-header .label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--pax); margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: 1rem; color: var(--text-tertiary); }

/* ─── Terminal / Code blocks ─────────────────────────────────────────────────── */
.terminal {
  background: var(--gray-950); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  font-family: 'JetBrains Mono', 'SF Mono', monospace; font-size: 0.78rem;
}
.terminal-bar {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1rem; background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #fe9a00; }
.terminal-dot.green { background: var(--pax); }
.terminal-title { margin-left: 0.5rem; font-size: 0.72rem; color: var(--text-tertiary); }
.terminal-body { padding: 1.25rem; line-height: 1.8; }
.terminal-body .prompt { color: var(--pax); }
.terminal-body .comment { color: var(--gray-500); }
.terminal-body .keyword { color: #ab68ff; }
.terminal-body .string { color: var(--text-warning); }
.terminal-body .type { color: var(--pax); }
.terminal-body .dim { color: var(--gray-500); }
.terminal-body .fg { color: var(--fg); }

/* ─── Interactive demo ───────────────────────────────────────────────────────── */
.demo-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  margin-top: 3rem; max-width: 960px; margin-left: auto; margin-right: auto;
}
@media (max-width: 768px) { .demo-split { grid-template-columns: 1fr; } }
.demo-panel {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.demo-panel-header {
  padding: 0.75rem 1.25rem; border-bottom: 1px solid var(--border);
  font-size: 0.75rem; font-weight: 600; color: var(--text-tertiary);
  display: flex; align-items: center; gap: 0.5rem;
}
.demo-panel-header .indicator {
  width: 8px; height: 8px; border-radius: 50%; background: var(--pax);
}
.demo-panel-body { padding: 1.25rem; min-height: 240px; font-size: 0.82rem; }
.demo-panel-body .user-input {
  color: var(--fg); font-family: inherit; line-height: 1.7;
}
.demo-panel-body .cursor-blink {
  display: inline-block; width: 2px; height: 1em; background: var(--pax);
  vertical-align: text-bottom; animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ─── Pipeline / flow diagram ────────────────────────────────────────────────── */
.pipeline {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; flex-wrap: wrap; margin: 2rem 0;
}
.pipeline-step {
  padding: 0.6rem 1.25rem; border-radius: var(--radius);
  font-size: 0.82rem; font-weight: 500; border: 1px solid var(--border);
  background: var(--card); color: var(--text-secondary);
}
.pipeline-step.active {
  background: var(--pax-softer); border-color: rgba(153,189,156,0.3);
  color: var(--pax);
}
.pipeline-step.error {
  background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3);
  color: var(--destructive);
}
.pipeline-arrow {
  color: var(--gray-500); font-size: 1rem; flex-shrink: 0;
}

/* ─── Stats row ──────────────────────────────────────────────────────────────── */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  padding: 3rem 0; text-align: center;
}
@media (max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } }
.stat-value {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--fg);
  letter-spacing: -0.03em;
}
.stat-value .unit { font-size: 0.5em; color: var(--pax); }
.stat-label { font-size: 0.82rem; color: var(--text-tertiary); margin-top: 0.25rem; }

/* ─── Architecture grid (Developers page) ────────────────────────────────────── */
.arch-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.75rem;
  transition: border-color 0.3s;
  position: relative; overflow: hidden;
}
.arch-card:hover { border-color: var(--border-heavy); }
.arch-card .category {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--pax); margin-bottom: 0.75rem;
}
.arch-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.arch-card p { font-size: 0.82rem; color: var(--text-tertiary); line-height: 1.6; }
.arch-card .tag-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.tag {
  font-size: 0.65rem; padding: 0.2rem 0.6rem; border-radius: 9999px;
  background: var(--pax-softer); color: var(--pax); font-weight: 500;
  border: 1px solid rgba(153,189,156,0.12);
}

/* ─── Feature blocks ─────────────────────────────────────────────────────────── */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
  padding: 4rem 0;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
@media (max-width: 768px) {
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row.reverse { direction: ltr; }
}
.feature-text .label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--pax); margin-bottom: 0.75rem;
}
.feature-text h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.feature-text p { font-size: 0.92rem; color: var(--text-tertiary); margin-bottom: 1.5rem; }
.feature-visual {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}

/* ─── Comparison (old vs new) ────────────────────────────────────────────────── */
.comparison {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem;
}
@media (max-width: 768px) { .comparison { grid-template-columns: 1fr; } }
.comparison-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
}
.comparison-card.bad { border-color: rgba(239,68,68,0.2); }
.comparison-card.good { border-color: rgba(153,189,156,0.2); }
.comparison-card .card-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.comparison-card.bad .card-label { color: var(--destructive); }
.comparison-card.good .card-label { color: var(--pax); }

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border); padding: 4rem 0 2rem;
  background: var(--surface-secondary);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 2rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
.footer-brand p { font-size: 0.82rem; color: var(--text-tertiary); margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 1rem;
}
.footer-col a {
  display: block; font-size: 0.82rem; color: var(--gray-400);
  padding: 0.25rem 0; transition: color 0.2s;
}
.footer-col a:hover { color: var(--fg); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid var(--border);
  font-size: 0.75rem; color: var(--gray-500);
}
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a { color: var(--gray-500); }
.footer-socials a:hover { color: var(--fg); }

/* ─── Page hero (inner pages) ────────────────────────────────────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 5rem) 0 4rem;
  text-align: center; position: relative;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(227,217,212,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(227,217,212,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}
.page-hero > * { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 1.25rem; }
.page-hero .subtitle {
  font-size: 1.05rem; color: var(--text-tertiary);
  max-width: 620px; margin: 0 auto 2rem; line-height: 1.7;
}

/* ─── Dividers ───────────────────────────────────────────────────────────────── */
.divider {
  width: 100%; height: 1px; background: var(--border); margin: 0;
}

/* ─── Shimmer text ───────────────────────────────────────────────────────────── */
.shimmer-text {
  background: linear-gradient(90deg, var(--muted-fg) 0%, var(--fg) 50%, var(--muted-fg) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer-move 2s linear infinite;
}
@keyframes shimmer-move { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* ─── Scroll reveal ──────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Focus visible ──────────────────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }

/* ─── Reduced motion ─────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ─── Scrollbars ─────────────────────────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: rgba(227,217,212,0.12) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background-color: rgba(227,217,212,0.12); border-radius: 9999px; }
*::-webkit-scrollbar-thumb:hover { background-color: rgba(227,217,212,0.24); }