/* Geist Font Family (Vercel/Clerk) */
@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Thin.woff2') format('woff2');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('../fonts/Geist-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

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

:root {
  --bg-primary: #000000;
  --bg-secondary: #000000;
  --bg-card: rgba(255, 255, 255, 0.03);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --accent: #0ea5e9;
  --accent-purple: #3576C5;
  --accent-glow: rgba(100, 220, 255, 0.15);
}

html {
  scroll-behavior: smooth;
}

/* Noise texture overlay - applied globally */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}


/* Social link "coming soon" popover */
.social-popover {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-secondary, #111);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.social-popover::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(255, 255, 255, 0.1);
}

.social-popover.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Skip Navigation Link (WCAG 2.4.1) ───────────────────────────────────── */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 99999;
  text-decoration: none;
  transition: top 0.1s;
}

.skip-nav:focus {
  top: 1rem;
}

/* ── Keyboard Focus Styles (WCAG 2.4.7) ───────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Remove focus ring for mouse users, keep it for keyboard/assistive tech */
:focus:not(:focus-visible) {
  outline: none;
}