/* Indie's Portal — birthday build */

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

:root {
  --bg-0: #0b0420;
  --bg-1: #1a0b2e;
  --bg-2: #2d1657;
  --pink: #ffb3d9;
  --pink-deep: #ff6bb5;
  --purple: #a78bfa;
  --purple-deep: #7c3aed;
  --cyan: #67e8f9;
  --gold: #fbbf24;
  --text: #f8f7ff;
  --text-dim: rgba(248, 247, 255, 0.7);
  --text-mute: rgba(248, 247, 255, 0.5);
  --card: rgba(255, 255, 255, 0.06);
  --card-hover: rgba(255, 255, 255, 0.11);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px -20px rgba(124, 58, 237, 0.5);
  --radius: 20px;
  --radius-lg: 28px;
}

html, body {
  background: radial-gradient(ellipse at top, var(--bg-2) 0%, var(--bg-1) 40%, var(--bg-0) 100%);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }

/* Starry background */
.stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(255,179,217,0.8), transparent),
    radial-gradient(1px 1px at 90% 20%, rgba(167,139,250,0.7), transparent),
    radial-gradient(1px 1px at 10% 70%, rgba(103,232,249,0.6), transparent),
    radial-gradient(2px 2px at 55% 15%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 80% 85%, rgba(255,179,217,0.5), transparent);
  background-size: 100% 100%;
  animation: twinkle 8s ease-in-out infinite alternate;
}
@keyframes twinkle { 0% { opacity: 0.6 } 100% { opacity: 1 } }

.shell {
  position: relative; z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 56px) clamp(20px, 4vw, 48px) 80px;
}

/* HERO */
.hero {
  text-align: center;
  padding: clamp(40px, 8vw, 96px) 0 clamp(32px, 6vw, 64px);
}
.hero-mark {
  display: inline-flex; padding: 16px; border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,179,217,0.15), rgba(167,139,250,0.15));
  border: 1px solid var(--border);
  margin-bottom: 24px;
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

.hero-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 800;
  font-size: clamp(56px, 12vw, 140px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #ffb3d9 0%, #ffc8e3 30%, #c4b5fd 70%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 20px;
}
.hero-dot { color: var(--pink); -webkit-text-fill-color: var(--pink); }

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.hero-nav {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center;
}
.chip {
  display: inline-flex; align-items: center;
  padding: 10px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px; font-weight: 500;
  transition: all 0.2s ease;
}
.chip:hover, .chip:focus-visible {
  background: var(--card-hover);
  transform: translateY(-2px);
  border-color: var(--pink);
}

/* SECTIONS */
.section { padding: clamp(40px, 6vw, 80px) 0; }
.section-head { margin-bottom: 32px; }
.section-head h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.section-head p { color: var(--text-dim); font-size: 16px; }

/* GRID */
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.grid-roblox { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid-cool { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* TILE */
.tile {
  position: relative;
  display: flex; flex-direction: column;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  -webkit-tap-highlight-color: transparent;
}
.tile::before {
  content: ''; position: absolute; inset: 0;
  background: var(--tile-bg, linear-gradient(135deg, rgba(167,139,250,0.2), rgba(255,179,217,0.2)));
  opacity: 0.6;
  transition: opacity 0.25s ease;
  z-index: 0;
}
.tile:hover, .tile:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.25);
  box-shadow: var(--shadow);
}
.tile:hover::before { opacity: 0.9; }
.tile-emoji {
  position: relative; z-index: 1;
  font-size: 48px;
  line-height: 1;
  margin-bottom: auto;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}
.tile-title {
  position: relative; z-index: 1;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-top: 16px;
}
.tile-sub {
  position: relative; z-index: 1;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Specific tile palettes */
.tile.t-pink   { --tile-bg: linear-gradient(135deg, #ff6bb5, #ffb3d9); }
.tile.t-purple { --tile-bg: linear-gradient(135deg, #7c3aed, #a78bfa); }
.tile.t-cyan   { --tile-bg: linear-gradient(135deg, #0891b2, #67e8f9); }
.tile.t-gold   { --tile-bg: linear-gradient(135deg, #d97706, #fbbf24); }
.tile.t-rose   { --tile-bg: linear-gradient(135deg, #be123c, #fb7185); }
.tile.t-mint   { --tile-bg: linear-gradient(135deg, #047857, #6ee7b7); }
.tile.t-indigo { --tile-bg: linear-gradient(135deg, #3730a3, #818cf8); }
.tile.t-coral  { --tile-bg: linear-gradient(135deg, #c2410c, #fb923c); }

/* LETTER */
.letter-section { padding-top: 40px; }
.letter {
  background: linear-gradient(135deg, rgba(255,179,217,0.08), rgba(167,139,250,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 56px);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.letter h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 36px);
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffb3d9, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.letter p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.letter .signoff {
  margin-top: 24px;
  color: var(--text);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 18px;
}

/* FOOTER */
.footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-mute);
  font-size: 13px;
}
.footer a { color: var(--text-dim); text-decoration: none; }
.footer a:hover { color: var(--pink); }

/* MODAL */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(11, 4, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.modal-card {
  position: relative;
  width: 100%; max-width: 1100px;
  height: min(90vh, 800px);
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 18px;
}
.modal-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s ease;
}
.modal-close:hover { background: var(--card-hover); transform: scale(1.05); }
.modal-frame { flex: 1; background: #000; }
.modal-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

@media (max-width: 640px) {
  .modal { padding: 0; }
  .modal-card { height: 100vh; border-radius: 0; max-width: none; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}