/* ReviewShield — Design tokens + global styles */

:root {
  /* Type */
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;

  /* Light palette */
  --bg: #ffffff;
  --bg-alt: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f4f9;
  --ink: #0a1628;
  --ink-2: #1e293b;
  --ink-muted: #475569;
  --ink-subtle: #94a3b8;
  --border: #e6ebf2;
  --border-strong: #cbd5e1;
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --primary-soft: #eff4ff;
  --primary-ink: #ffffff;
  --success: #10b981;
  --success-soft: #ecfdf5;
  --warn: #f59e0b;
  --danger: #ef4444;
  --star: #f59e0b;
  --shadow-sm: 0 1px 2px rgba(10,22,40,.04), 0 1px 3px rgba(10,22,40,.06);
  --shadow-md: 0 4px 12px rgba(10,22,40,.06), 0 2px 4px rgba(10,22,40,.04);
  --shadow-lg: 0 24px 48px -12px rgba(10,22,40,.18), 0 4px 8px rgba(10,22,40,.04);
  --shadow-glow: 0 0 0 1px rgba(37,99,235,.18), 0 12px 32px -8px rgba(37,99,235,.28);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --container: 1200px;
}

[data-theme="dark"] {
  --bg: #07090f;
  --bg-alt: #0b0f18;
  --surface: #0f131d;
  --surface-2: #161c2a;
  --ink: #f1f5f9;
  --ink-2: #e2e8f0;
  --ink-muted: #94a3b8;
  --ink-subtle: #64748b;
  --border: #1e2535;
  --border-strong: #2a3345;
  --primary: #60a5fa;
  --primary-deep: #3b82f6;
  --primary-soft: #0f1a30;
  --primary-ink: #ffffff;
  --success: #34d399;
  --success-soft: #052e22;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,.4);
  --shadow-lg: 0 24px 48px -12px rgba(0,0,0,.55);
  --shadow-glow: 0 0 0 1px rgba(96,165,250,.25), 0 12px 32px -8px rgba(96,165,250,.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  transition: background .25s ease, color .25s ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { display: block; }

::selection { background: var(--primary); color: white; }

/* Type scale */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--primary);
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0;
  font-weight: 600;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 5.6vw, 68px); letter-spacing: -0.035em; font-weight: 600; }
h2 { font-size: clamp(32px, 3.4vw, 44px); }
h3 { font-size: 20px; letter-spacing: -0.015em; }
p { color: var(--ink-muted); margin: 0; text-wrap: pretty; }

/* Layout */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.section-lead {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-lead h2 { margin: 16px 0 16px; }
.section-lead p { font-size: 18px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,.1);
}
.btn-primary:hover {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  border-color: var(--ink);
  background: var(--surface-2);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
}
.btn-ghost:hover { color: var(--ink); }
.btn-lg { height: 52px; padding: 0 22px; font-size: 15px; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }
.btn-arrow { transition: transform .2s ease; display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--border-strong); }

/* Pill / chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  background: var(--surface-2);
  color: var(--ink-muted);
  border: 1px solid var(--border);
}
.chip-success {
  background: var(--success-soft);
  color: var(--success);
  border-color: color-mix(in oklch, var(--success) 22%, transparent);
}
.chip-primary {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: color-mix(in oklch, var(--primary) 18%, transparent);
}

/* Star */
.star {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--star);
}

/* Accent dot */
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--success) 18%, transparent);
  display: inline-block;
}

/* Grid bg helper */
.bg-grid {
  background-image:
    linear-gradient(to right, color-mix(in oklch, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklch, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
}
.bg-dots {
  background-image: radial-gradient(circle, color-mix(in oklch, var(--ink-subtle) 35%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* Scrollbar (subtle) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-subtle); }
::-webkit-scrollbar-track { background: transparent; }

/* Utility */
.muted { color: var(--ink-muted); }
.subtle { color: var(--ink-subtle); }
.mono { font-family: var(--font-mono); }
.row { display: flex; align-items: center; gap: 12px; }
.col { display: flex; flex-direction: column; gap: 12px; }

/* Anim */
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--success) 40%, transparent); }
  50% { box-shadow: 0 0 0 6px color-mix(in oklch, var(--success) 0%, transparent); }
}
.dot-pulse { animation: pulseDot 2s ease-in-out infinite; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .5s ease both; }

/* Focus */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}