/* ============================================================
   Harvard WorldMUN Greece 2026 — design tokens & base styles
   Ported from the original src/styles.css
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap");

:root {
  --font-serif: "Cormorant Garamond,ui-serif,Georgia,serif";
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --radius: 0.25rem;

  /* Ivy-League palette */
  --ivory: oklch(0.975 0.012 85);
  --background: oklch(0.975 0.012 85);
  --foreground: oklch(0.18 0.025 265);

  --crimson: oklch(0.42 0.165 25);
  --navy: oklch(0.24 0.055 265);
  --gold: oklch(0.72 0.12 80);

  --card: oklch(0.99 0.008 85);
  --card-foreground: oklch(0.18 0.025 265);

  --primary: oklch(0.42 0.165 25);
  --primary-foreground: oklch(0.98 0.012 85);

  --secondary: #a9222e;
  --secondary-foreground: oklch(0.98 0.012 85);

  --muted: oklch(0.93 0.012 85);
  --muted-foreground: oklch(0.42 0.025 265);

  --accent: oklch(0.72 0.12 80);
  --accent-foreground: oklch(0.18 0.025 265);

  --destructive: oklch(0.577 0.245 27.325);
  --destructive-foreground: oklch(0.98 0.012 85);

  --border: oklch(0.86 0.015 85);
  --input: oklch(0.86 0.015 85);
  --ring: oklch(0.42 0.165 25);

  --shadow-elegant:
    0 30px 60px -30px oklch(0.18 0.025 265 / 0.25),
    0 10px 30px -15px oklch(0.18 0.025 265 / 0.15);
  --shadow-soft: 0 4px 24px -8px oklch(0.18 0.025 265 / 0.12);

  --header-h: 5.5rem;
}

/* * { border-color: var(--border); } */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}


.font-serif { font-family: Cormorant Garamond,ui-serif,Georgia,serif; }
.font-sans  { font-family: var(--font-sans); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  /* color: #000; */
  padding-bottom: 14px;
}

/* Hero headline — matches reference (Playfair Display, tight lines) */
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/*
 * Header: fixed overlay on hero (no bar at load).
 * After scroll: cream background + border, stays pinned.
 */
.site-header,
#site-nav {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-bottom: none;
  box-shadow: none;
  transition:
    background-color 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    backdrop-filter 0.35s ease;
}
.site-header.is-scrolled,
#site-nav.is-scrolled {
  background-color: oklch(0.975 0.012 85 / 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

/* Hero starts at viewport top (no cream gap above nav) */
#hero {
  margin-top: 0;
  padding-top: 0;
}
.rule {
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  background: currentColor;
  vertical-align: middle;
  opacity: 0.6;
}

/* Marquees (kept from original) */
@keyframes marquee-left  { from { transform: translateX(0); }    to { transform: translateX(-50%); } }
@keyframes marquee-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.marquee-track  { display: flex; width: max-content; gap: 1.5rem; }
.marquee-left   { animation: marquee-left 40s linear infinite; }
.marquee-right  { animation: marquee-right 45s linear infinite; }
.marquee-mask:hover .marquee-track { animation-play-state: paused; }

/* Page fade-in — opacity only (transform on body breaks position:fixed header) */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-fade-in { animation: fade-in 0.5s ease-out both; }

/* Convenience shadow utilities matching the React app */
.shadow-soft    { box-shadow: var(--shadow-soft); }
.shadow-elegant { box-shadow: var(--shadow-elegant); }

/* Minimal layout fallback if Tailwind CDN is blocked (see .tw-fallback on <html>) */
.tw-fallback .flex { display: flex; }
.tw-fallback .grid { display: grid; }
.tw-fallback .hidden { display: none; }
.tw-fallback .relative { position: relative; }
.tw-fallback .absolute { position: absolute; }
.tw-fallback .fixed { position: fixed; }
.tw-fallback .inset-0 { inset: 0; }
.tw-fallback .mx-auto { margin-left: auto; margin-right: auto; }
.tw-fallback .max-w-\[1500px\] { max-width: 1500px; }
.tw-fallback .bg-background { background-color: var(--background); }
.tw-fallback .bg-secondary { background-color: var(--secondary); }
.tw-fallback .text-foreground { color: var(--foreground); }
.tw-fallback .text-secondary { color: var(--secondary); }
.tw-fallback .text-secondary-foreground { color: var(--secondary-foreground); }
.tw-fallback .text-primary { color: var(--primary); }
.tw-fallback .text-muted-foreground { color: var(--muted-foreground); }
.tw-fallback .border-border { border-color: var(--border); }
.tw-fallback .px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.tw-fallback .py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.tw-fallback .gap-4 { gap: 1rem; }
.tw-fallback .gap-6 { gap: 1.5rem; }
.tw-fallback .items-center { align-items: center; }
.tw-fallback .justify-between { justify-content: space-between; }
.tw-fallback .justify-center { justify-content: center; }
.tw-fallback .w-full { width: 100%; }
.tw-fallback .object-cover { object-fit: cover; }
.tw-fallback .rounded-full { border-radius: 9999px; }
.tw-fallback .font-serif { font-family: var(--font-serif); }
.tw-fallback .font-sans { font-family: var(--font-sans); }
.tw-fallback .fixed { position: fixed; }
.tw-fallback #site-nav { position: fixed !important; top: 0; left: 0; right: 0; z-index: 100; }