/* =========================================================
   Data To Impact — Compiled CSS
   Source: main.css + style.css (merged & normalized)
   Author intent preserved. Conflicts resolved.
   ========================================================= */

/* ---------- CSS TOKENS ---------- */
:root {
  --bg: #0b0e11;
  --surface: #12161b;
  --surface-2: #161b22;
  --card: #161b22;

  --text: #e8eef4;
  --muted: #a8b3c2;

  --accent: #2b77ff;
  --accent-2: #00b894;
  --link: #66a3ff;

  --border: #1f2630;
  --shadow-sm: 0 4px 12px rgba(0,0,0,.15);
  --shadow-md: 0 16px 40px rgba(0,0,0,.25);

  --radius: 14px;
  --radius-sm: 8px;

  --max-w: 1100px;

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.2,.8,.2,1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --card: #ffffff;

    --text: #0f172a;
    --muted: #475569;

    --border: #e2e8f0;
    --shadow-sm: 0 4px 12px rgba(0,0,0,.06);
    --shadow-md: 0 18px 40px rgba(0,0,0,.08);
  }
}

/* ---------- RESET ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

a {
  color: var(--link);
  text-decoration: none;
  transition: opacity .2s var(--ease);
}
a:hover { opacity: .85; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- TOP BAR ---------- */
.top-bar {
  background: linear-gradient(90deg, #1e40af, #0ea5a4);
  color: #fff;
  padding: 6px 24px;
  font-size: .8rem;
}

/* ---------- HEADER / NAV ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--surface) 88%, transparent);
  border-bottom: 1px solid var(--border);
}

.navbar,
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand,
.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand img {
  height: 32px;
  width: 32px;
  border-radius: 8px;
}

.brand-title .full { display: inline; }
.brand-title .short { display: none; }

@media (max-width: 640px) {
  .brand-title .full { display: none; }
  .brand-title .short { display: inline; }
}

.nav a,
.nav-right a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
  font-size: .9rem;
}

.nav a:hover,
.nav a.active {
  background: var(--surface-2);
  outline: 1px solid var(--border);
}

/* ---------- HERO ---------- */
.hero {
  padding: 72px 24px 40px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  margin: 24px auto;
  max-width: 640px;
  color: var(--muted);
}

.kicker {
  text-transform: uppercase;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 12px;
}

/* ---------- BUTTONS ---------- */
.btn,
.button,
button {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: .9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.primary:hover {
  filter: brightness(.95);
}

.ghost {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
}

.ghost:hover {
  background: color-mix(in oklab, var(--accent) 10%, transparent);
}

/* ---------- GRID ---------- */
.grid {
  display: grid;
  gap: 20px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- CARDS ---------- */
.card,
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.card:hover,
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card i {
  font-size: 32px;
  color: var(--accent-2);
}

.feature-card h3 {
  margin: 16px 0 8px;
}

/* ---------- SEPARATOR ---------- */
hr.sep {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 32px 0;
}

/* ---------- PROSE ---------- */
.prose h1, .prose h2, .prose h3 {
  line-height: 1.25;
}

.prose code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 6px;
}

/* ---------- FOOTER ---------- */
.footer {
  margin-top: 60px;
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}

.footer img {
  height: 28px;
  margin-bottom: 12px;
}

.footer a {
  color: var(--muted);
}

/* ---------- UTILITIES ---------- */
.muted { color: var(--muted); }
.mt-2 { margin-top: 12px; }
.mt-4 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }
.flex { display: flex; gap: 12px; }
.justify-between { justify-content: space-between; }

/* ---------- ACCESSIBILITY ---------- */
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -999px;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  background: var(--accent);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
}