:root {
  --bg: #fffaf8;
  --bg-soft: #f8edf0;
  --ink: #2f1822;
  --muted: #77616a;
  --wine: #9d3158;
  --wine-dark: #641d3b;
  --rose: #d989a4;
  --blush: #f3d8df;
  --cream: #fffefb;
  --gold: #bf9363;
  --line: rgba(104, 18, 56, .13);
  --glass: rgba(255, 252, 254, .80);
  --shadow: 0 24px 70px rgba(91, 24, 55, .15);
  --radius: 28px;
  --max: 1180px;
  --ease: cubic-bezier(.2,.75,.2,1);
}

body.night {
  --bg: #130b12;
  --bg-soft: #21131c;
  --ink: #fff9fb;
  --muted: #dac6cd;
  --wine: #e985a7;
  --wine-dark: #ffc0d3;
  --rose: #ce658a;
  --blush: #4b2938;
  --cream: #1c1119;
  --gold: #dfbd8f;
  --line: rgba(255, 226, 239, .13);
  --glass: rgba(25, 11, 25, .80);
  --shadow: 0 24px 70px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  background:
    radial-gradient(circle at 8% 7%, color-mix(in srgb, var(--blush) 42%, transparent), transparent 31%),
    radial-gradient(circle at 93% 15%, color-mix(in srgb, var(--rose) 18%, transparent), transparent 27%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: ui-rounded, "Avenir Next", "Segoe UI", system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  transition: background .35s ease, color .35s ease;
}
body.locked { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
section[id] { scroll-margin-top: 96px; }
::selection { background: var(--blush); color: var(--wine-dark); }

.noise {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none; opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}
.section-pad { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); position: relative; }
.eyebrow { display: inline-block; color: var(--wine); font-size: .78rem; font-weight: 800; letter-spacing: .2em; margin-bottom: 14px; }
.section-heading { max-width: 720px; margin-bottom: 58px; }
.section-heading h2, .hero h2, .cinema-copy h2, .finale-copy h2 {
  font-family: Georgia, "Times New Roman", serif; letter-spacing: -.045em; line-height: 1.07; margin: 0;
}
.section-heading h2 { font-size: clamp(2.3rem, 5vw, 4.6rem); }
.section-heading p { color: var(--muted); max-width: 640px; font-size: 1.06rem; }
.reveal { opacity: 1; transform: translateY(0); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.reveal.visible { animation: fadeUp .8s var(--ease) both; }
.glass { background: var(--glass); border: 1px solid rgba(255,255,255,.45); box-shadow: var(--shadow); backdrop-filter: blur(20px); }

.welcome-screen {
  position: fixed; inset: 0; z-index: 5000; display: grid; place-items: center; padding: 24px; overflow: hidden;
  background: radial-gradient(circle at 18% 8%, #f7bfd5, transparent 34%), radial-gradient(circle at 82% 82%, #9f245e, transparent 39%), linear-gradient(145deg,#351326,#1c0a18);
  transition: opacity .8s ease, visibility .8s ease;
}
.welcome-screen.hide { opacity: 0; visibility: hidden; }
.welcome-glow { position: absolute; width: 64vw; height: 64vw; border-radius: 50%; background: rgba(255,255,255,.08); filter: blur(30px); animation: breathe 5s ease-in-out infinite; }
.welcome-card { position: relative; width: min(620px, 100%); padding: clamp(34px, 7vw, 72px); border-radius: 38px; text-align: center; color: #fff; background: linear-gradient(145deg,rgba(54,15,38,.70),rgba(31,8,25,.58)); }
.welcome-card h1 { margin: 0 0 22px; font-family: Georgia, serif; font-size: clamp(3rem, 9vw, 6.6rem); line-height: .92; letter-spacing: -.055em; }
.welcome-card h1 em { color: #ffd3e2; font-weight: 400; }
.welcome-card p { color: #f7dde5; font-size: 1.06rem; }
.welcome-card small { display: block; color: #dcb9c5; margin-top: 18px; }
.heart-button { border: 0; background: transparent; color: #fff; cursor: pointer; display: inline-flex; flex-direction: column; align-items: center; gap: 8px; font-weight: 800; margin-top: 18px; }
.heart-pulse { display: grid; place-items: center; width: 84px; height: 84px; background: linear-gradient(145deg,#f07eae,#a31f5c); border-radius: 50%; font-size: 2.4rem; box-shadow: 0 0 0 0 rgba(240,126,174,.5); animation: pulse 1.9s infinite; }

.topbar {
  position: fixed; z-index: 1000; left: 50%; top: 16px; transform: translateX(-50%); width: min(calc(100% - 28px), 1160px); height: 66px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border: 1px solid var(--line); border-radius: 22px;
  background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: blur(22px); box-shadow: 0 12px 38px rgba(91,24,55,.10);
}
.brand { font-family: Georgia, serif; font-weight: 800; font-size: 1.4rem; letter-spacing: .06em; }
.brand span { color: var(--wine); display: inline-block; margin: 0 4px; transition: transform .25s ease; }
.brand:hover span { transform: scale(1.22) rotate(-10deg); }
.topbar nav { display: flex; gap: 24px; align-items: center; }
.topbar nav a { color: var(--muted); font-size: .9rem; font-weight: 700; position: relative; }
.topbar nav a::after { content:""; position:absolute; left:0; right:100%; bottom:-6px; height:2px; background:var(--wine); transition:right .25s ease; }
.topbar nav a:hover::after { right:0; }
.icon-button, .menu-toggle { border: 0; background: var(--bg-soft); width: 42px; height: 42px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; }
.menu-toggle { display:none; }

.hero { min-height: 100svh; padding-top: 150px; display: grid; grid-template-columns: 1fr 1.08fr; align-items: center; gap: 54px; overflow: hidden; }
.hero::before { content:""; position:absolute; width:520px; height:520px; border-radius:50%; background:radial-gradient(circle,var(--blush),transparent 68%); top:-150px; right:-130px; filter:blur(4px); opacity:.65; }
.hero-copy { position:relative; z-index:2; }
.hero h2 { font-size: clamp(3rem, 6vw, 6.6rem); }
.hero h2 em { color: var(--wine); font-weight: 400; }
.hero-copy p { max-width: 610px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-top:32px; }
.primary-button, .secondary-button { display:inline-flex; align-items:center; justify-content:center; min-height:52px; border-radius:999px; padding:0 24px; font-weight:800; border:1px solid transparent; cursor:pointer; transition:transform .25s ease, box-shadow .25s ease; }
.primary-button { background: linear-gradient(135deg,#b82968,var(--wine-dark)); color:#fff; box-shadow:0 14px 34px rgba(163,31,92,.24); }
.secondary-button { background:var(--cream); color:var(--ink); border-color:var(--line); }
.primary-button:hover,.secondary-button:hover { transform:translateY(-3px); }
.hero-collage { min-height:620px; position:relative; }
.hero-photo { position:absolute; margin:0; overflow:hidden; border:10px solid var(--cream); box-shadow:var(--shadow); background:var(--cream); }
.hero-photo img { width:100%; height:100%; object-fit:cover; }
.hero-photo-main { width:72%; height:70%; right:4%; top:10%; border-radius:34px; transform:rotate(3deg); }
.hero-photo-a { width:42%; height:38%; left:0; top:0; border-radius:24px; transform:rotate(-8deg); }
.hero-photo-b { width:36%; height:43%; left:5%; bottom:1%; border-radius:24px; transform:rotate(6deg); }
.floating-note { position:absolute; right:1%; bottom:5%; z-index:4; padding:14px 20px; background:#fff3d8; color:#5a3b24; border:1px solid rgba(189,138,85,.22); transform:rotate(-4deg); box-shadow:0 12px 30px rgba(61,35,20,.14); font-family:"Comic Sans MS",cursive; }
.hero-orbit { position:absolute; width:450px; height:450px; border:1px dashed var(--line); border-radius:50%; right:-120px; bottom:60px; animation:spin 28s linear infinite; }
.scroll-cue { position:absolute; bottom:22px; left:50%; transform:translateX(-50%); border:0; background:transparent; color:var(--wine); font-size:2rem; cursor:pointer; animation:bounce 1.7s infinite; }

.counter-section { text-align:center; background:linear-gradient(180deg,var(--bg),var(--bg-soft)); }
.counter-section .section-heading { margin-inline:auto; }
.counter-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; max-width:900px; margin:0 auto; }
.counter-card { background:var(--cream); border:1px solid var(--line); border-radius:26px; padding:34px 14px; box-shadow:0 16px 40px rgba(84,31,51,.08); }
.counter-card strong { display:block; font-family:Georgia,serif; font-size:clamp(2.6rem,6vw,5rem); color:var(--wine); line-height:1; }
.counter-card span { color:var(--muted); text-transform:uppercase; letter-spacing:.12em; font-size:.72rem; font-weight:800; }
.anniversary-note { color:var(--muted); margin-top:28px; }

.story-section { overflow:hidden; }
.timeline { display:grid; gap:86px; }
.timeline-item { display:grid; grid-template-columns:1.05fr .95fr; gap:64px; align-items:center; position:relative; }
.timeline-item.reverse { grid-template-columns:.95fr 1.05fr; }
.timeline-item.reverse .timeline-image,.timeline-item.reverse .timeline-video-card { order:2; }
.timeline-image,.timeline-video-card { border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); background:var(--cream); }
.timeline-image { aspect-ratio: 4/3; }
.timeline-image img { width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease); }
.timeline-image:hover img { transform:scale(1.045); }
.timeline-video-card video { width:100%; aspect-ratio:16/9; object-fit:cover; background:#000; }
.timeline-copy span { font-family:Georgia,serif; font-size:4.8rem; color:var(--blush); line-height:1; }
.timeline-copy h3 { font-family:Georgia,serif; font-size:clamp(2rem,4vw,3.5rem); line-height:1.1; margin:10px 0 20px; }
.timeline-copy p { color:var(--muted); font-size:1.05rem; }

.gallery-section { background:var(--bg-soft); }
.gallery-grid { columns:4 250px; column-gap:18px; }
.gallery-card { width:100%; break-inside:avoid; margin:0 0 18px; border:0; padding:0; position:relative; overflow:hidden; border-radius:20px; cursor:zoom-in; background:var(--cream); box-shadow:0 12px 34px rgba(69,20,42,.09); }
.gallery-card img { width:100%; transition:transform .6s var(--ease), filter .6s ease; }
.gallery-card::after { content:attr(data-caption); position:absolute; inset:auto 0 0; padding:50px 16px 14px; color:#fff; text-align:left; font-weight:750; background:linear-gradient(transparent,rgba(34,7,18,.75)); opacity:0; transition:opacity .3s ease; }
.gallery-card:hover img { transform:scale(1.04); }
.gallery-card:hover::after { opacity:1; }
.gallery-card.secret-found::before { content:"♥"; position:absolute; z-index:2; top:12px; right:12px; width:34px; height:34px; display:grid; place-items:center; border-radius:50%; background:#fff; color:var(--wine); animation:pop .4s ease; }

.cinema-section { background:radial-gradient(circle at 82% 12%,rgba(226,132,170,.17),transparent 30%),linear-gradient(135deg,#351126,#120812); color:#fff; }
.cinema-shell { max-width:var(--max); margin:auto; display:grid; grid-template-columns:.85fr 1.15fr; gap:60px; align-items:center; }
.cinema-copy h2 { font-size:clamp(2.5rem,5vw,4.8rem); }
.cinema-copy p { color:#d6bcc6; }
.cinema-preview { position:relative; border-radius:30px; overflow:hidden; box-shadow:0 26px 80px rgba(0,0,0,.45); aspect-ratio:16/9; }
.cinema-preview img { width:100%; height:100%; object-fit:cover; }
.cinema-preview::after { content:""; position:absolute; inset:0; background:linear-gradient(transparent,rgba(0,0,0,.28)); }
.cinema-preview button { position:absolute; z-index:2; inset:50% auto auto 50%; transform:translate(-50%,-50%); width:82px; height:82px; border:1px solid rgba(255,255,255,.6); border-radius:50%; background:rgba(255,255,255,.18); backdrop-filter:blur(12px); color:#fff; font-size:1.6rem; cursor:pointer; }

.surprise-section { overflow:hidden; }
.surprise-tabs { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:26px; }
.tab-button,.game-select { border:1px solid var(--line); background:var(--cream); padding:12px 18px; border-radius:999px; cursor:pointer; font-weight:800; color:var(--muted); }
.tab-button.active,.game-select.active { background:var(--wine); color:#fff; border-color:var(--wine); }
.tab-panels { min-height:500px; background:var(--bg-soft); border:1px solid var(--line); border-radius:34px; padding:clamp(24px,6vw,68px); }
.tab-panel { display:none; }
.tab-panel.active { display:block; animation:fadeUp .45s var(--ease); }
#letter.active { min-height:390px; display:grid; grid-template-columns:.7fr 1.3fr; gap:50px; align-items:center; }
.envelope { position:relative; width:min(320px,100%); aspect-ratio:1.45; border:0; background:transparent; cursor:pointer; margin:auto; perspective:800px; }
.envelope-back,.envelope-front { position:absolute; inset:0; border-radius:12px; background:#efa4bd; }
.envelope-front { clip-path:polygon(0 0,50% 58%,100% 0,100% 100%,0 100%); background:linear-gradient(145deg,#ee9db8,#bd376f); z-index:3; }
.envelope-paper { position:absolute; z-index:2; left:8%; right:8%; top:12%; height:78%; background:#fffdf8; border-radius:8px; display:flex; align-items:flex-start; justify-content:center; padding-top:24px; color:var(--wine); font-family:Georgia,serif; transition:transform .7s var(--ease); }
.envelope-heart { position:absolute; z-index:4; left:50%; top:48%; transform:translate(-50%,-50%); width:52px; height:52px; display:grid; place-items:center; background:var(--wine); color:#fff; border-radius:50%; }
.envelope.open .envelope-paper { transform:translateY(-68%); }
.love-letter { opacity:.22; filter:blur(3px); transform:translateY(10px); transition:.65s ease; }
.love-letter.open { opacity:1; filter:none; transform:none; }
.love-letter h3 { font-family:Georgia,serif; font-size:2.5rem; margin:0; }
.love-letter p { color:var(--muted); }
.love-letter strong { color:var(--wine); display:block; margin:20px 0; }
.text-button { border:0; background:transparent; color:var(--wine); font-weight:850; text-decoration:underline; cursor:pointer; padding:8px 0; }
.open-when-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.open-when-card { min-height:180px; border:1px solid var(--line); border-radius:24px; background:var(--cream); padding:28px; cursor:pointer; text-align:left; transition:transform .25s ease, box-shadow .25s ease; }
.open-when-card:hover { transform:translateY(-5px); box-shadow:var(--shadow); }
.open-when-card span { display:block; font-size:2rem; color:var(--wine); margin-bottom:24px; }
.open-when-card strong { font-family:Georgia,serif; font-size:1.35rem; }
.reason-machine { min-height:360px; display:grid; place-items:center; text-align:center; align-content:center; gap:26px; }
.reason-machine p { max-width:760px; font-family:Georgia,serif; font-size:clamp(2rem,5vw,4rem); line-height:1.2; margin:0; }
.reason-machine span { color:var(--muted); font-size:.85rem; }
.coupon-hint { color:var(--muted); }
.coupon-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.coupon { position:relative; min-height:180px; border:1px dashed var(--rose); border-radius:22px; padding:28px; overflow:hidden; background:var(--cream); }
.coupon strong { display:block; font-family:Georgia,serif; font-size:1.55rem; color:var(--wine); }
.coupon small { color:var(--muted); }
.coupon-cover { position:absolute; inset:0; display:grid; place-items:center; background:linear-gradient(135deg,#b82968,#7b1745); color:#fff; font-weight:900; cursor:pointer; transition:clip-path .9s var(--ease), opacity .7s ease; clip-path:circle(150% at 50% 50%); }
.coupon.revealed .coupon-cover { clip-path:circle(0% at 50% 50%); opacity:0; pointer-events:none; }

/* Fixed music player: starts only after the welcome tap, which keeps iOS Safari happy. */
.music-dock {
  position:fixed; z-index:1250; left:50%; bottom:calc(14px + env(safe-area-inset-bottom, 0px));
  transform:translate(-50%,140%); opacity:0; pointer-events:none;
  width:min(500px,calc(100% - 24px)); min-height:72px; padding:10px 12px;
  display:grid; grid-template-columns:48px 1fr 38px; align-items:center; gap:10px;
  border:1px solid rgba(255,255,255,.32); border-radius:24px;
  background:linear-gradient(135deg,rgba(67,22,42,.94),rgba(34,15,27,.96));
  color:#fff; box-shadow:0 18px 55px rgba(40,11,25,.34); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  transition:transform .55s var(--ease),opacity .45s ease;
}
.music-dock.ready { transform:translate(-50%,0); opacity:1; pointer-events:auto; }
.music-main-button,.music-skip { border:0; color:#fff; cursor:pointer; display:grid; place-items:center; }
.music-main-button { width:48px; height:48px; border-radius:50%; background:linear-gradient(145deg,#e68ca9,#9d3158); box-shadow:0 8px 24px rgba(0,0,0,.2); }
.music-skip { width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.1); font-size:1.8rem; }
.music-meta { min-width:0; line-height:1.15; }
.music-meta span { display:block; color:#d9bdc8; font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; }
.music-meta strong { display:block; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; font-size:.87rem; margin-top:4px; }
.music-progress { height:3px; margin-top:8px; border-radius:999px; overflow:hidden; background:rgba(255,255,255,.16); }
.music-progress span { display:block; width:0; height:100%; background:#ffd4e2; transition:width .25s linear; }

.video-memories { overflow:hidden; }
.memory-reels { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.reel-card { border:1px solid var(--line); border-radius:28px; overflow:hidden; background:var(--cream); box-shadow:0 16px 48px rgba(73,24,43,.10); }
.reel-card video { width:100%; aspect-ratio:9/16; object-fit:cover; background:#120b10; }
.reel-card.landscape video { aspect-ratio:16/10; }
.reel-card>div { padding:22px; }
.reel-card span { color:var(--wine); font-weight:900; letter-spacing:.16em; font-size:.75rem; }
.reel-card h3 { font-family:Georgia,serif; font-size:1.6rem; line-height:1.15; margin:8px 0; }
.reel-card p { color:var(--muted); margin:0; font-size:.94rem; }

.games-section { background:var(--bg-soft); }
.game-picker { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:22px; }
.game-stage { background:var(--cream); border:1px solid var(--line); border-radius:34px; min-height:520px; padding:clamp(20px,4vw,42px); }
.game-panel { display:none; }
.game-panel.active { display:block; animation:fadeUp .45s var(--ease); }
.game-info { display:flex; justify-content:space-between; align-items:center; gap:16px; margin-bottom:18px; color:var(--muted); }
.catch-area { min-height:410px; position:relative; touch-action:manipulation; -webkit-user-select:none; user-select:none; overflow:hidden; border-radius:24px; background:radial-gradient(circle at 50% 110%,#f7c6da,transparent 55%),linear-gradient(#fff9fc,#f7eaf1); display:grid; place-items:center; }
.falling-heart { position:absolute; z-index:3; touch-action:manipulation; -webkit-user-select:none; user-select:none; top:-60px; border:0; background:transparent; color:#c9285c; font-size:2.1rem; cursor:pointer; animation:fall linear forwards; filter:drop-shadow(0 6px 8px rgba(102,18,49,.2)); }

.falling-heart.caught { animation:none!important; transform:scale(1.55); opacity:0; transition:transform .12s ease,opacity .12s ease; }
.game-result { text-align:center; padding:24px; max-width:520px; }
.game-result-heart { color:var(--wine); font-size:4.5rem; line-height:1; }
.game-result h3 { font-family:Georgia,serif; font-size:2rem; margin:8px 0; }
.game-result p { color:var(--muted); }

.memory-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; max-width:760px; margin:auto; }
.memory-card { aspect-ratio:1; touch-action:manipulation; -webkit-user-select:none; user-select:none; border:0; border-radius:18px; padding:0; cursor:pointer; perspective:800px; background:transparent; }
.memory-inner { display:block; width:100%; height:100%; position:relative; transform-style:preserve-3d; -webkit-transform-style:preserve-3d; transition:transform .55s var(--ease); }
.memory-card.flipped .memory-inner,.memory-card.matched .memory-inner { transform:rotateY(180deg); }
.memory-face { position:absolute; inset:0; backface-visibility:hidden; -webkit-backface-visibility:hidden; border-radius:18px; overflow:hidden; }
.memory-back { display:grid; place-items:center; background:linear-gradient(145deg,var(--wine),var(--rose)); color:#fff; font-size:2rem; }
.memory-front { transform:rotateY(180deg); background:var(--bg-soft); }
.memory-front img { width:100%; height:100%; object-fit:cover; }
.love-meter { min-height:400px; display:grid; place-items:center; align-content:center; text-align:center; gap:24px; max-width:760px; margin:auto; }
.love-meter label { font-family:Georgia,serif; font-size:clamp(2rem,5vw,4rem); }
.love-meter input { width:min(620px,100%); accent-color:var(--wine); }
.meter-track { width:min(620px,100%); height:24px; background:var(--bg-soft); border-radius:999px; overflow:hidden; }
.meter-track span { display:block; height:100%; width:50%; background:linear-gradient(90deg,var(--rose),var(--wine)); transition:width .2s ease; }
#meterResult { color:var(--wine); font-size:1.2rem; }

.future-cards { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.future-cards article { min-height:300px; padding:28px; border:1px solid var(--line); border-radius:24px; background:var(--cream); display:flex; flex-direction:column; transition:transform .25s ease; }
.future-cards article:hover { transform:translateY(-6px) rotate(-1deg); }
.future-cards span { font-family:Georgia,serif; font-size:3.2rem; color:var(--blush); }
.future-cards h3 { font-family:Georgia,serif; font-size:1.55rem; line-height:1.2; }
.future-cards p { color:var(--muted); margin-top:auto; }
.promise { margin-top:70px; display:grid; grid-template-columns:.8fr 1.2fr; align-items:center; gap:52px; background:var(--bg-soft); border-radius:34px; padding:clamp(24px,5vw,50px); }
.promise img { width:100%; max-height:440px; object-fit:cover; border-radius:26px; transform:rotate(-2deg); box-shadow:var(--shadow); }
.promise blockquote { margin:0; font-family:Georgia,serif; font-size:clamp(2rem,4vw,3.7rem); line-height:1.16; }

.finale-section { min-height:88svh; display:grid; place-items:center; overflow:hidden; color:#fff; text-align:center; }
.finale-section>img,.finale-overlay { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.finale-overlay { background:linear-gradient(rgba(54,10,34,.30),rgba(24,5,17,.82)); }
.finale-copy { position:relative; z-index:2; max-width:900px; }
.finale-copy span { letter-spacing:.18em; font-weight:800; font-size:.78rem; }
.finale-copy h2 { font-size:clamp(3rem,7vw,6.5rem); margin:18px 0 34px; }
.giant-heart { border:0; background:transparent; color:#ffacd0; font-size:6rem; cursor:pointer; animation:pulseHeart 1.4s ease-in-out infinite; filter:drop-shadow(0 0 24px rgba(255,172,208,.52)); }
footer { min-height:130px; padding:30px max(24px,calc((100vw - var(--max))/2)); display:flex; align-items:center; justify-content:space-between; color:var(--muted); }
.secret-door { border:0; background:transparent; color:var(--muted); cursor:pointer; opacity:.5; font-size:1.2rem; }

.modal,.lightbox,.theater-modal { border:1px solid var(--line); border-radius:28px; background:var(--cream); color:var(--ink); box-shadow:var(--shadow); }
.modal { width:min(560px,calc(100% - 28px)); padding:46px; text-align:center; }
.modal::backdrop,.lightbox::backdrop,.theater-modal::backdrop { background:rgba(23,7,14,.78); backdrop-filter:blur(10px); }
.modal-close { position:absolute; right:16px; top:12px; z-index:4; width:42px; height:42px; border:0; border-radius:50%; background:rgba(255,255,255,.14); color:inherit; font-size:1.8rem; cursor:pointer; }
.modal-icon { display:block; font-size:3.4rem; color:var(--wine); }
.modal h2 { font-family:Georgia,serif; font-size:2.4rem; }
.modal p { color:var(--muted); }
.lightbox { width:min(1100px,calc(100% - 24px)); max-height:92vh; padding:0; overflow:hidden; background:#10070b; color:#fff; }
.lightbox figure { margin:0; display:grid; place-items:center; }
.lightbox img { max-height:82vh; width:100%; object-fit:contain; }
.lightbox figcaption { position:absolute; bottom:0; left:0; right:0; padding:46px 24px 18px; background:linear-gradient(transparent,rgba(0,0,0,.8)); text-align:center; }
.lightbox-nav { position:absolute; z-index:4; top:50%; transform:translateY(-50%); width:48px; height:66px; border:0; border-radius:14px; background:rgba(255,255,255,.16); color:#fff; font-size:2.6rem; cursor:pointer; }
.lightbox-nav.prev { left:14px; }.lightbox-nav.next { right:14px; }
.theater-modal { width:min(1050px,calc(100% - 24px)); padding:20px; background:#10070b; color:#fff; text-align:center; }
.theater-modal video { width:100%; max-height:78vh; border-radius:18px; background:#000; }
.secret-modal input { width:180px; text-align:center; font-size:2rem; letter-spacing:.35em; border:1px solid var(--line); border-radius:14px; padding:10px; background:var(--bg); color:var(--ink); display:block; margin:18px auto; }
.secret-content img { width:220px; aspect-ratio:1; object-fit:cover; border-radius:50%; margin:0 auto 20px; border:8px solid var(--bg-soft); }
.secret-sign { font-family:Georgia,serif; font-size:1.35rem; color:var(--wine)!important; }
dialog.dialog-fallback-open { display:block; position:fixed; inset:50% auto auto 50%; transform:translate(-50%,-50%); z-index:5001; }
.dialog-fallback-backdrop { position:fixed; inset:0; z-index:5000; background:rgba(23,7,14,.78); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); }
.toast { position:fixed; z-index:4000; left:50%; bottom:30px; transform:translate(-50%,30px); opacity:0; pointer-events:none; background:linear-gradient(135deg,#431329,#25101f); color:#fff; padding:13px 19px; border-radius:999px; box-shadow:var(--shadow); transition:.35s ease; max-width:calc(100% - 28px); text-align:center; }
.toast.show { opacity:1; transform:translate(-50%,0); }
#confettiCanvas { position:fixed; inset:0; z-index:3500; pointer-events:none; }
.heart-rain { position:fixed; inset:0; pointer-events:none; z-index:3400; overflow:hidden; }
.rain-heart { position:absolute; top:-50px; color:#e95992; animation:rainDown linear forwards; }

@keyframes pulse { 70% { box-shadow:0 0 0 28px rgba(240,126,174,0); } }
@keyframes breathe { 50% { transform:scale(1.12); opacity:.65; } }
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes bounce { 50% { transform:translate(-50%,8px); } }
@keyframes pop { 0% { transform:scale(0); } 70% { transform:scale(1.2); } }
@keyframes pulseHeart { 50% { transform:scale(1.12); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(12px); } }
@keyframes fall { to { transform:translate3d(0,var(--fall-distance,520px),0) rotate(180deg); opacity:.82; } }
@keyframes rainDown { to { transform:translateY(110vh) rotate(420deg); opacity:.3; } }

@media (max-width: 900px) {
  .section-pad { padding:86px 22px; }
  .topbar nav { position:absolute; top:74px; left:0; right:0; display:none; flex-direction:column; align-items:stretch; gap:0; padding:12px; background:var(--cream); border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow); }
  .topbar nav.open { display:flex; }
  .topbar nav a { padding:13px 12px; }
  .menu-toggle { display:block; }
  .hero { grid-template-columns:1fr; padding-top:130px; }
  .hero-collage { min-height:540px; }
  .timeline-item,.timeline-item.reverse,.cinema-shell,.promise { grid-template-columns:1fr; gap:30px; }
  .timeline-item.reverse .timeline-image,.timeline-item.reverse .timeline-video-card { order:0; }
  .open-when-grid { grid-template-columns:repeat(2,1fr); }
  #letter.active { grid-template-columns:1fr; }
  .coupon-grid,.future-cards { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 600px) {
  .topbar { top:8px; width:calc(100% - 16px); height:60px; }
  .topbar .icon-button { width:38px; height:38px; }
  .hero { min-height:auto; padding-top:110px; }
  .hero-collage { min-height:430px; }
  .hero-photo-main { width:78%; height:62%; top:13%; }
  .hero-photo-a { width:48%; height:34%; }
  .hero-photo-b { width:43%; height:41%; }
  .floating-note { font-size:.78rem; }
  .counter-grid { grid-template-columns:repeat(2,1fr); }
  .counter-card { padding:26px 10px; }
  .timeline { gap:58px; }
  .timeline-item { gap:22px; }
  .timeline-copy span { font-size:3rem; }
  .gallery-grid { columns:2 140px; column-gap:10px; }
  .gallery-card { margin-bottom:10px; border-radius:14px; }
  .cinema-section { padding-inline:18px; }
  .open-when-grid,.coupon-grid,.future-cards { grid-template-columns:1fr; }
  .tab-panels { padding:22px; min-height:420px; }
  .memory-grid { grid-template-columns:repeat(3,1fr); gap:8px; }
  .game-stage { padding:14px; min-height:470px; }
  .promise blockquote { font-size:2rem; }
  .modal { padding:38px 22px 26px; }
  .lightbox-nav { width:40px; height:56px; }
  .welcome-card { padding:38px 22px; }
  .section-pad { padding-left:18px; padding-right:18px; }
  .game-picker { display:grid; grid-template-columns:repeat(3,1fr); gap:7px; }
  .game-select { padding:10px 7px; font-size:.78rem; white-space:nowrap; }
  .catch-area { min-height:390px; }
  .falling-heart { min-width:48px; min-height:48px; display:grid; place-items:center; }
  .memory-card,.memory-face { border-radius:14px; }
  .memory-reels { display:flex; gap:14px; overflow-x:auto; scroll-snap-type:x mandatory; padding:4px 2px 18px; scrollbar-width:none; }
  .memory-reels::-webkit-scrollbar { display:none; }
  .reel-card { flex:0 0 84vw; max-width:390px; scroll-snap-align:center; }
  .reel-card.landscape video { aspect-ratio:16/11; }
  .music-dock { width:calc(100% - 16px); bottom:calc(8px + env(safe-area-inset-bottom,0px)); border-radius:20px; grid-template-columns:44px 1fr 36px; min-height:66px; }
  .music-main-button { width:44px; height:44px; }
  .music-meta strong { font-size:.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }
  .reveal { opacity:1; transform:none; }
}