/* StenFredd — shared design tokens (dark premium, Linear/Vercel-inspired) */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  --bg: #08080A;
  --bg-elev: #0E0E11;
  --bg-elev-2: #15151A;
  --line: rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.12);
  --line-hover: rgba(255, 255, 255, 0.22);

  --fg: #ECECEF;
  --fg-muted: #9A9AA3;
  --fg-dim: #5E5E68;
  --fg-faint: #3A3A42;

  --accent: #E4E4E7;
  --accent-glow: rgba(180, 200, 255, 0.10);

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

  --font-sans: 'Geist', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --maxw: 1180px;

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

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 15px;
  line-height: 1.55;
  max-width: 100%;
  overflow-x: clip;
}

/* Animated aurora atmosphere */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: -10%;
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
  opacity: 0.55;
}
body::before {
  background:
    radial-gradient(40% 40% at 20% 20%, rgba(110, 130, 220, 0.20), transparent 70%),
    radial-gradient(35% 35% at 80% 30%, rgba(200, 110, 180, 0.13), transparent 70%),
    radial-gradient(45% 45% at 60% 90%, rgba(80, 200, 180, 0.10), transparent 70%);
  animation: aurora-a 28s ease-in-out infinite alternate;
}
body::after {
  background:
    radial-gradient(35% 35% at 75% 75%, rgba(120, 100, 255, 0.10), transparent 70%),
    radial-gradient(30% 30% at 15% 80%, rgba(255, 140, 100, 0.06), transparent 70%);
  animation: aurora-b 36s ease-in-out infinite alternate;
}
@keyframes aurora-a {
  0%   { transform: translate3d(-3%, -2%, 0) rotate(0deg); }
  50%  { transform: translate3d(2%, 3%, 0) rotate(8deg); }
  100% { transform: translate3d(-1%, 4%, 0) rotate(-6deg); }
}
@keyframes aurora-b {
  0%   { transform: translate3d(2%, 1%, 0) scale(1); }
  50%  { transform: translate3d(-3%, -2%, 0) scale(1.1); }
  100% { transform: translate3d(1%, -4%, 0) scale(0.95); }
}

/* Faint grid overlay */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

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

::selection { background: rgba(180, 200, 255, 0.22); color: #fff; }

/* ---------- Page chrome ---------- */

.shell {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 32px 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.brand-mark {
  width: 70px;
  height: 70px;
  border-radius: 5px;
  object-fit: contain;
  display: block;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.brand-name { font-weight: 500; }
.brand-slash { color: var(--fg-dim); margin: 0 2px; }
.brand-section { color: var(--fg-muted); }

.topbar-nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}
.topbar-nav a {
  transition: color .2s var(--ease);
}
.topbar-nav a:hover { color: var(--fg); }

/* ---------- Type ---------- */

h1, h2, h3, h4 { font-weight: 500; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: 44px; line-height: 1.05; letter-spacing: -0.03em; font-weight: 500; }
h2 { font-size: 24px; line-height: 1.2; }
h3 { font-size: 16px; line-height: 1.3; }

p { margin: 0; color: var(--fg-muted); }
.dim { color: var(--fg-dim); }
.mono { font-family: var(--font-mono); }

/* ---------- Footer ---------- */
.footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
}
.footer .dot {
  width: 6px; height: 6px; border-radius: 50%; display: inline-block; margin-right: 8px;
  background: #5BD37A; box-shadow: 0 0 8px rgba(91, 211, 122, .5);
  vertical-align: middle;
}

/* ---------- Responsive chrome (shared, all pages) ---------- */
@media (max-width: 640px) {
  .shell {
    padding: 20px 16px 48px;
  }
  .topbar {
    flex-wrap: wrap;
    gap: 12px 16px;
    padding: 4px 0 20px;
    margin-bottom: 28px;
  }
  .brand-mark { width: 44px; height: 44px; }
  .topbar-nav { gap: 18px; }
  h1 { font-size: 32px; }
  .footer {
    flex-direction: column;
    gap: 8px;
  }
}