/* Braveway — Design System Tokens */

:root {
  /* Color: light mode (default) */
  --bg: #fafbfc;
  --bg-elev: #ffffff;
  --bg-soft: #f4f6fa;
  --bg-inset: #eef1f7;
  --border: #e3e7ef;
  --border-strong: #d2d8e3;

  --ink: #0a1230;
  --ink-2: #1c2547;
  --ink-3: #4a5170;
  --muted: #6b7390;
  --muted-2: #9aa0b8;

  --navy: #0a1230;
  --navy-2: #0f1a45;
  --navy-3: #15225a;

  --accent: #00b4ff;        /* refined cyan */
  --accent-2: #0084d4;
  --accent-soft: #e6f6ff;
  --accent-glow: rgba(0, 180, 255, 0.4);

  --success: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;

  /* Type */
  --font-display: "Inter Tight", "Inter", system-ui, -apple-system, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  /* Spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-2xl: 28px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(10, 18, 48, 0.06), 0 1px 1px rgba(10, 18, 48, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 18, 48, 0.06), 0 2px 4px rgba(10, 18, 48, 0.04);
  --shadow-lg: 0 16px 40px rgba(10, 18, 48, 0.1), 0 4px 12px rgba(10, 18, 48, 0.06);

  --container: 1200px;
  --container-tight: 960px;
}

[data-theme="dark"] {
  --bg: #06091a;
  --bg-elev: #0c1130;
  --bg-soft: #0a0e26;
  --bg-inset: #0f1538;
  --border: #1c2354;
  --border-strong: #2a3370;

  --ink: #f1f4ff;
  --ink-2: #d7dcf3;
  --ink-3: #a8aece;
  --muted: #8a90b3;
  --muted-2: #5d6388;

  --navy: #06091a;
  --navy-2: #0c1130;
  --navy-3: #131a45;

  --accent: #38c8ff;
  --accent-2: #00b4ff;
  --accent-soft: rgba(56, 200, 255, 0.12);
  --accent-glow: rgba(56, 200, 255, 0.5);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

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

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

/* Typography */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  line-height: 1.1;
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 5.5vw, 72px); letter-spacing: -0.035em; font-weight: 600; }
h2 { font-size: clamp(32px, 3.6vw, 52px); letter-spacing: -0.03em; }
h3 { font-size: clamp(22px, 2vw, 28px); }
h4 { font-size: 18px; letter-spacing: -0.01em; }

p { margin: 0; color: var(--ink-3); }

.mono { font-family: var(--font-mono); font-feature-settings: "zero", "ss02"; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

[data-theme="dark"] .eyebrow { color: var(--accent); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head.center {
  text-align: center;
  align-items: center;
  margin-left: auto;
  margin-right: auto;
}

.section-head p {
  font-size: 17px;
  color: var(--ink-3);
  text-wrap: pretty;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-tight {
  width: 100%;
  max-width: var(--container-tight);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: var(--s-9) 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink);
  color: var(--bg-elev);
}
.btn-primary:hover { background: var(--ink-2); }

[data-theme="dark"] .btn-primary {
  background: var(--accent);
  color: var(--navy);
}
[data-theme="dark"] .btn-primary:hover { background: var(--accent-2); }

.btn-accent {
  background: var(--accent);
  color: #00263c;
  box-shadow: 0 6px 22px -6px var(--accent-glow);
}
.btn-accent:hover { background: var(--accent-2); color: white; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--bg-soft);
  border-color: var(--ink-3);
}

.btn-lg { padding: 15px 26px; font-size: 15px; border-radius: var(--r-md); }

.btn-arrow svg { transition: transform 0.2s ease; }
.btn-arrow:hover svg { transform: translateX(3px); }

/* Pill */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18); }
  50% { box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.05); }
}

/* Cards */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

/* Grid utility */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 920px) {
  .grid-3, .grid-4, .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
}

/* Subtle grid background pattern */
.grid-bg {
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

/* Shimmer divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 17px;
  color: var(--ink);
}

.brand-mark {
  width: 30px;
  height: 30px;
}

.brand-mark svg { width: 100%; height: 100%; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  border-radius: var(--r-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover { color: var(--ink); background: var(--bg-soft); }
.nav-link.active { color: var(--ink); }

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

.uptime-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}
.uptime-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
  animation: pulse 2.4s ease-in-out infinite;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--ink-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: var(--bg-soft); border-color: var(--border-strong); }

.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: inline; }
[data-theme="dark"] .theme-toggle .sun { display: inline; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

.mobile-only { display: none; }
@media (max-width: 880px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: inline-flex; }
  .nav-links { display: none; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 12px 14px; font-size: 15px; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: #cbd2eb;
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.05) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
}

.site-footer .container { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.4fr;
  gap: 60px;
  margin-bottom: 56px;
}

@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .brand {
  color: white;
  font-size: 19px;
  margin-bottom: 16px;
}

.footer-brand p {
  color: #8b94b8;
  font-size: 14px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h5 {
  color: white;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a, .footer-col li {
  color: #8b94b8;
  font-size: 14px;
  transition: color 0.15s;
}
.footer-col a:hover { color: white; }

.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #8b94b8;
  font-size: 14px;
}
.contact-line svg { flex: 0 0 16px; margin-top: 3px; opacity: 0.7; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: #6b7398;
  flex-wrap: wrap;
  gap: 12px;
}

/* Hero shared */
.hero-wrap {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: white;
  isolation: isolate;
}

.hero-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 80% 10%, rgba(0, 180, 255, 0.18), transparent 70%),
    radial-gradient(50% 60% at 10% 90%, rgba(56, 200, 255, 0.1), transparent 70%);
  pointer-events: none;
}

.hero-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 30%, transparent 80%);
  pointer-events: none;
}

.hero {
  padding: 96px 0 120px;
  position: relative;
  z-index: 1;
}

.hero h1 { color: white; max-width: 14ch; }
.hero p.lede {
  font-size: 18px;
  line-height: 1.6;
  color: #b6c0e0;
  max-width: 520px;
  margin-top: 20px;
  text-wrap: pretty;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 64px 0 80px; }
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  font-size: 13px;
  color: #c8d0ee;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-pill .badge {
  padding: 3px 9px;
  background: var(--accent);
  color: var(--navy);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: white;
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-size: 13px;
  color: #8b94b8;
  margin-top: 4px;
}

/* Page hero (smaller, for non-home pages) */
.page-hero {
  padding: 80px 0 96px;
  position: relative;
  z-index: 1;
}
.page-hero h1 { font-size: clamp(36px, 4.5vw, 60px); }
.page-hero p.lede { color: #b6c0e0; font-size: 17px; max-width: 600px; margin-top: 18px; }

/* Code-style spec badge */
.spec {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
}

/* In-text accent helpers */
.text-accent { color: var(--accent-2); }
[data-theme="dark"] .text-accent { color: var(--accent); }

.text-muted { color: var(--muted); }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s cubic-bezier(0.2, 0.8, 0.3, 1) both; }
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.15s; }
.fade-up-3 { animation-delay: 0.25s; }
.fade-up-4 { animation-delay: 0.35s; }

/* Selection */
::selection { background: var(--accent); color: var(--navy); }