:root {
  --night: #1c0811;
  --wine: #2e0d1b;
  --rose: #e88aa6;
  --rose-deep: #c2456d;
  --blush: #f6dbe3;
  --gold: #ecc78f;
  --gold-soft: #f6e2bf;
  --cream: #fcf5ec;
  --ink: #3a1622;
  --muted: #c4a0ad;

  --script: "Great Vibes", "Brush Script MT", cursive;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --hand: "Caveat", "Segoe Print", "Bradley Hand", cursive;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22, 1, .36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(900px 600px at 50% -10%, rgba(194, 69, 109, .25), transparent 65%),
    linear-gradient(180deg, var(--night), var(--wine) 40%, var(--night));
  background-color: var(--night);
  color: var(--blush);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.6;
  overflow-x: hidden;
}
button { font: inherit; color: inherit; cursor: pointer; }

#petals { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
main { position: relative; z-index: 1; }

section, .hero { padding: 90px max(20px, env(safe-area-inset-right, 0px)) 90px max(20px, env(safe-area-inset-left, 0px)); }

.fade { opacity: 0; transform: translateY(16px); animation: fadeUp 1.2s var(--ease) forwards; }
.hero .fade:nth-child(2) { animation-delay: .2s; }
.hero .fade:nth-child(3) { animation-delay: .45s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

/* ---------- birthday lock ---------- */
body.locked { overflow: hidden; }
body.locked main { visibility: hidden; }
body.locked .fade { animation: none; }
.lock {
  position: fixed; inset: 0; z-index: 10; display: flex; align-items: center; justify-content: center;
  padding: 24px max(20px, env(safe-area-inset-right, 0px)) 24px max(20px, env(safe-area-inset-left, 0px));
  background: radial-gradient(circle at 50% 40%, rgba(74, 20, 40, .9), var(--night) 75%);
  transition: opacity .9s var(--ease), visibility .9s;
}
.lock.gone { opacity: 0; visibility: hidden; }
.lock-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; }
.lock-name { margin: 0 0 18px; font-family: var(--script); font-size: clamp(60px, 15vw, 96px); line-height: 1.1; color: var(--gold-soft); }
.lock-q { margin: 0 0 18px; font-weight: 400; font-style: italic; font-size: 24px; color: var(--blush); }
.dob { display: flex; align-items: center; gap: 10px; }
.dob span { color: var(--muted); font-size: 22px; }
.dob input {
  width: 64px; padding: 12px 0; text-align: center; border-radius: 10px;
  border: 1px solid rgba(236, 199, 143, .4); background: rgba(246, 219, 227, .06);
  color: var(--gold-soft); font-family: var(--mono); font-size: 20px; letter-spacing: .05em;
}
.dob input.year { width: 92px; }
.dob input::placeholder { color: rgba(196, 160, 173, .5); }
.dob input:focus { outline: none; border-color: var(--gold); background: rgba(236, 199, 143, .1); }
.lock-btn {
  margin-top: 22px; padding: 12px 34px; border-radius: 999px; border: 1px solid rgba(236, 199, 143, .55);
  background: var(--rose-deep); color: #fff; font-size: 19px; letter-spacing: .04em;
  transition: transform .3s var(--ease);
}
.lock-btn:hover { transform: translateY(-2px); }
.lock-msg { min-height: 30px; margin: 12px 0 0; font-family: var(--hand); font-size: 24px; color: var(--rose); }
.shake { animation: shake .45s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

/* ---------- name ---------- */
.hero { padding-top: 64px; padding-bottom: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.eyebrow { margin: 0; letter-spacing: .4em; text-transform: uppercase; font-size: 14px; color: var(--muted); }
.hero-name {
  margin: 0; font-family: var(--script); font-weight: 400; line-height: 1.1;
  font-size: clamp(84px, 20vw, 180px); color: var(--gold-soft);
  text-shadow: 0 0 40px rgba(236, 199, 143, .25);
}
.hero-line { margin: 4px 0 0; font-style: italic; font-size: 22px; color: var(--rose); }

/* ---------- film ---------- */
.film { max-width: 1100px; margin: 0 auto; padding-top: 32px; }
.screen {
  position: relative; aspect-ratio: 16 / 9; max-width: 100%;
  border-radius: 14px; overflow: hidden; background: #000;
  box-shadow: 0 0 0 1px rgba(236, 199, 143, .25), 0 30px 70px rgba(0, 0, 0, .5);
}
.player, .player iframe, .player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.cover {
  position: absolute; inset: 0; z-index: 2; border: 0; padding: 20px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: radial-gradient(circle at 50% 45%, rgba(74, 20, 40, .7), rgba(14, 3, 8, .95));
  transition: opacity .6s var(--ease), visibility .6s;
}
.cover.hide { opacity: 0; visibility: hidden; }
.play {
  width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid rgba(236, 199, 143, .6); background: rgba(236, 199, 143, .12);
  transition: transform .3s var(--ease);
}
.cover:hover .play, .cover:focus-visible .play { transform: scale(1.08); }
.play svg { width: 28px; height: 28px; fill: var(--gold-soft); margin-left: 3px; }
.cover-title { font-style: italic; font-size: 20px; color: var(--gold-soft); }
.cover-note { font-size: 14px; color: var(--muted); }
.cover-note a { color: inherit; }

.caption { text-align: center; margin: 28px auto 24px; max-width: 600px; min-height: 96px; }
.caption > * { transition: opacity .4s; }
.caption.swap > * { opacity: 0; }
.caption-time { display: inline-block; font-family: var(--mono); font-size: 13px; color: var(--night); background: var(--gold); padding: 1px 9px; border-radius: 4px; }
.caption-text { margin: 10px 0 0; font-style: italic; font-size: 22px; }

.moments { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.moments button {
  display: flex; gap: 8px; align-items: baseline; padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(246, 219, 227, .18); background: transparent; font-size: 17px;
  transition: border-color .3s, background .3s;
}
.moments button:hover { background: rgba(246, 219, 227, .06); }
.moments button.active { border-color: var(--gold); background: rgba(236, 199, 143, .1); }
.moments .m-time { font-family: var(--mono); font-size: 12px; color: var(--gold); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- letter ---------- */
.note { max-width: 680px; margin: 0 auto; padding-top: 0; padding-bottom: 120px; }
.letter {
  padding: 48px 44px; border-radius: 6px; color: var(--ink);
  background: radial-gradient(circle at 20% 10%, #fffaf3, var(--cream) 60%, #f3e4d2);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}
.letter p { font-family: var(--hand); font-size: 26px; line-height: 1.45; margin: 0 0 16px; }
.letter p:last-child { margin-bottom: 0; }

@media (max-width: 640px) {
  section { padding-top: 70px; padding-bottom: 70px; }
  .hero { padding-top: 48px; padding-bottom: 4px; }
  .film { padding-top: 24px; }
  .caption-text { font-size: 19px; }
  .letter { padding: 36px 22px; }
  .letter p { font-size: 23px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}