*, *::before, *::after { box-sizing: border-box; }
html { background: var(--rx-obsidian); }
body {
  margin: 0;
  color: var(--rx-ivory);
  background: var(--rx-obsidian);
  font-family: var(--rx-font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }
main, .site-footer { position: relative; z-index: 1; }

h1, h2, h3 { font-family: var(--rx-font-display); font-weight: 400; line-height: 1.15; letter-spacing: 0.02em; margin: 0; }
h1 { font-size: clamp(1.9rem, 4.6vw, 4.4rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 3.3rem); }
h3 { font-size: 1.05rem; font-weight: 700; }
em {
  font-style: normal;
  background: var(--rx-gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  margin: 0 0 1.4rem;
  font-size: 0.72rem;
  letter-spacing: var(--rx-tracking-caps);
  text-transform: uppercase;
  color: var(--rx-gold);
}
.lead { max-width: 28rem; margin: 1.6rem 0 0; color: var(--rx-platinum); font-size: 1.05rem; }

/* Başlık */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  padding: 1.3rem clamp(1rem, 4vw, 3rem);
  background: linear-gradient(to bottom, rgba(10,10,12,0.85), rgba(10,10,12,0));
}
.brand img { height: 60px; width: auto; margin-left: -12px; }
.main-nav { display: flex; gap: 2.2rem; font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; }
.main-nav a { color: var(--rx-platinum); transition: color 0.3s; }
.header-actions { display: flex; align-items: center; gap: 1.4rem; }
.lang-switch { display: flex; gap: 0.4rem; font-size: 0.75rem; letter-spacing: 0.15em; color: var(--rx-mist); }
.lang-switch [aria-current] { color: var(--rx-gold); }

.btn {
  display: inline-flex; align-items: center; gap: 0.7rem;
  padding: 0.85rem 1.6rem;
  font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase;
  border-radius: 999px;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.btn--ghost { border: 1px solid rgba(201,169,110,0.45); color: var(--rx-gold-light); }
.btn--gold { background: var(--rx-gold-gradient); color: var(--rx-obsidian); font-weight: 500; }

/* Hikâye panelleri (canvas sabit, metin normal akışta) */
.panel {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 7rem clamp(1.25rem, 7vw, 7rem);
  pointer-events: none;
}
.panel a { pointer-events: auto; }
.panel--right { align-items: flex-end; text-align: right; }
.panel--right .lead { margin-left: auto; }
.panel--center { align-items: center; text-align: center; justify-content: flex-start; padding-top: 7.5rem; }
.panel--center .lead { margin-inline: auto; }
.panel--bottom { align-items: center; justify-content: flex-end; padding-bottom: 12vh; }
.scroll-hint { display: flex; align-items: center; gap: 0.8rem; margin-top: 3rem; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--rx-mist); }
.scroll-hint span { width: 1px; height: 42px; background: linear-gradient(var(--rx-gold), transparent); animation: hint 2.2s ease-in-out infinite; }
@keyframes hint { 0%, 100% { transform: scaleY(0.4); transform-origin: top; } 50% { transform: scaleY(1); } }

/* Şişe ipucu */
#bottle-tooltip {
  position: fixed; top: 0; left: 0; z-index: 20;
  transform: translate(var(--tip-x, -999px), var(--tip-y, -999px));
  display: grid; gap: 0.15rem; padding: 0.9rem 1.1rem;
  background: rgba(22,22,26,0.82); backdrop-filter: blur(12px);
  border: 1px solid rgba(201,169,110,0.35); border-radius: 14px;
  pointer-events: none; opacity: 0; transition: opacity 0.25s;
}
#bottle-tooltip.is-visible { opacity: 1; }
#bottle-tooltip.is-docked { top: auto; bottom: 7vh; left: 50%; transform: translateX(-50%); text-align: center; padding: 1.1rem 1.6rem; }
#bottle-tooltip span { font-size: 0.7rem; letter-spacing: 0.2em; color: var(--rx-gold); }
#bottle-tooltip strong { font-family: var(--rx-font-display); font-size: 0.95rem; font-weight: 700; }
#bottle-tooltip em { font-style: normal; color: var(--rx-platinum); font-size: 0.82rem; background: none; }

/* Sonraki bölümler */
#after > section { padding: 9rem clamp(1.25rem, 7vw, 7rem); }
.notes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3.5rem; }
.note-card {
  padding: 2.2rem; border-radius: 22px;
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01));
  border: 1px solid rgba(201,169,110,0.22);
  backdrop-filter: blur(14px);
}
.note-card p { color: var(--rx-platinum); margin: 0.8rem 0 0; }
.note-index { display: block; margin-bottom: 2.5rem; font-family: var(--rx-font-display); font-size: 1.1rem; color: var(--rx-gold); }

.worlds-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 300px; gap: 1rem; margin-top: 3.5rem; }
.world-card {
  position: relative; overflow: hidden; border-radius: 22px;
  display: flex; align-items: flex-end; padding: 1.6rem;
  background: radial-gradient(circle at 70% 20%, rgba(127,227,255,0.14), transparent 55%), linear-gradient(160deg, #1d1d23, #0f0f12);
  border: 1px solid rgba(255,255,255,0.06);
}
.world-card--wide { grid-column: span 2; grid-row: span 2; }
.world-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s; }
.world-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,12,0.88), transparent 60%); }
.world-card div { position: relative; z-index: 1; }
.world-card p { margin: 0.3rem 0 0; font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--rx-gold); }
.demo-tag { position: absolute; top: 1rem; right: 1rem; z-index: 1; padding: 0.3rem 0.7rem; border-radius: 999px; font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; background: rgba(10,10,12,0.7); color: var(--rx-mist); }

.finder { min-height: 90vh; display: flex; align-items: center; }
.finder-copy { max-width: 34rem; }
.finder .lead { margin-bottom: 2.4rem; }

/* 3B kart eğilmesi */
[data-tilt] {
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition: transform 0.5s cubic-bezier(.2,.8,.2,1);
  transform-style: preserve-3d;
}
[data-tilt].is-tilting { transition: transform 0.08s linear; }
[data-tilt]::before {
  content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; pointer-events: none;
  background: radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 50%), rgba(243,226,184,0.18), transparent 45%);
  opacity: 0; transition: opacity 0.3s;
}
[data-tilt].is-tilting::before { opacity: 1; }
.note-card { position: relative; }

.site-footer { display: grid; justify-items: center; gap: 0.6rem; padding: 4rem 1rem 3rem; border-top: 1px solid rgba(255,255,255,0.06); color: var(--rx-mist); font-size: 0.85rem; background: var(--rx-obsidian); }
.footer-logo { height: 48px; width: auto; }
.footer-links { display: flex; gap: 1.5rem; }

/* Üzerine gelme efektleri yalnız fareli cihazlarda (iOS ilk dokunuş sorunu) */
@media (hover: hover) and (pointer: fine) {
  .main-nav a:hover { color: var(--rx-gold-light); }
  .btn--ghost:hover { background: rgba(201,169,110,0.12); }
  .btn--gold:hover { box-shadow: 0 0 40px rgba(201,169,110,0.35); }
  .world-card:hover img { transform: scale(1.05); }
}

@media (max-width: 960px) {
  .main-nav { display: none; }
  .notes-grid { grid-template-columns: 1fr; }
  .worlds-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
}
@media (max-width: 760px) {
  .brand img { height: 46px; margin-left: -9px; }
  .finder { align-items: flex-end; min-height: 100vh; text-align: center; justify-content: center; }
  .finder .lead { margin-inline: auto; }
  .header-actions .btn { display: none; }
  .panel { justify-content: flex-start; padding-top: 6.5rem; }
  .panel--right { align-items: flex-start; text-align: left; }
  .panel--right .lead { margin-left: 0; }
  .panel--bottom { justify-content: flex-end; }
  .worlds-grid { grid-template-columns: 1fr; }
  .world-card--wide { grid-column: auto; grid-row: span 1; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-hint span { animation: none; }
}