/* ==========================================================================
   Thiệp cưới Như & Vỹ · "Niên lịch"
   Engine (scrollcraft.css) lo cơ chế cuộn. File này là giao diện của thiệp.
   ========================================================================== */
:root {
  --sc-canvas: #E9EFF5;
  --sc-surface: #FFFFFF;
  --sc-ink: #15212F;
  --sc-ink-soft: #4E5E70;
  --sc-accent: #2E6BA6;
  --sc-accent-ink: #FFFFFF;
  --sc-font-display: "Playfair Display", Georgia, serif;
  --sc-font-text: "Be Vietnam Pro", system-ui, sans-serif;

  --blue: #8DBEEB;
  --blue-soft: #DCEBF8;
  --blue-deep: #2E6BA6;
  --paper: #F4EEE3;
  --hand: "Dancing Script", "Playfair Display", cursive;
  --hanzi: "Noto Serif TC", serif;
  --film: 0;                     /* 0 = trong trẻo, 1 = phim cũ. JS cập nhật */
  --ease: cubic-bezier(.23, 1, .32, 1);
}

html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sc-font-text); color: var(--sc-ink); background: var(--sc-canvas); overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: #fff; color: var(--sc-ink); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--blue-deep); outline-offset: 3px; }
.anchor { position: absolute; top: 45%; }

/* màu phim cũ: ảnh ngả theo năm */
img.film {
  filter: sepia(calc(var(--film) * .55)) saturate(calc(1 - var(--film) * .25)) contrast(calc(1 + var(--film) * .04)) brightness(calc(1 + var(--film) * .03));
}
.film-grain { position: fixed; inset: 0; z-index: 40; pointer-events: none; opacity: calc(var(--film) * .22); mix-blend-mode: multiply; }
.film-grain::before {
  content: ""; position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/><feColorMatrix values='0 0 0 0 .35 0 0 0 0 .28 0 0 0 0 .2 0 0 0 .9 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(4) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-2%,-1%)} }

/* chữ chung */
.yr-big { margin: 0; font: 400 clamp(4.2rem, 3rem + 7vw, 9.5rem)/.86 var(--sc-font-display); letter-spacing: -.04em; font-variant-numeric: lining-nums; }
.yr-cap { margin: 1.1rem 0 0; max-width: 24ch; font: italic 400 clamp(1.3rem, 1.05rem + .9vw, 2rem)/1.42 var(--sc-font-display); text-wrap: pretty; }
.hand { font-family: var(--hand); font-style: normal; font-weight: 600; font-size: clamp(1.6rem, 1.25rem + 1.3vw, 2.6rem); line-height: 1.3; }
.kicker { margin: 0 0 1rem; font: 600 clamp(.82rem, .76rem + .2vw, .95rem)/1.2 var(--sc-font-text); letter-spacing: .26em; text-transform: uppercase; color: var(--blue-deep); }
.stamp { position: absolute; right: 7%; bottom: 7%; font: 600 clamp(.72rem, .6rem + .4vw, 1rem)/1 ui-monospace, "Courier New", monospace; letter-spacing: .08em; color: #FF8A3D; text-shadow: 0 0 6px rgba(255, 110, 30, .65); pointer-events: none; }

/* =========================================================== ĐỒNG HỒ NĂM */
.dial { position: fixed; z-index: 60; left: clamp(12px, 2.2vw, 34px); top: 50%; translate: 0 -50%; opacity: 0; transition: opacity .5s var(--ease); pointer-events: none; color: var(--dial-ink, #15212F); }
.dial.on { opacity: 1; pointer-events: auto; }
.dial-now { display: block; border: 0; background: none; color: inherit; padding: 0; cursor: default; text-align: left; }
.dial-k { display: block; font: 600 .62rem/1 var(--sc-font-text); letter-spacing: .3em; text-transform: uppercase; opacity: .6; margin-bottom: .3rem; }
.dial-yr { display: block; overflow: hidden; height: 1.05em; font: 500 clamp(1.6rem, 1.2rem + 1vw, 2.3rem)/1.05 var(--sc-font-display); font-variant-numeric: tabular-nums lining-nums; }
.dial-roll { display: block; transition: transform .45s var(--ease), opacity .45s var(--ease); }
.dial-roll.out { transform: translateY(-100%); opacity: 0; transition: none; }
.dial-roll.in { transform: translateY(100%); opacity: 0; transition: none; }
.dial-list { list-style: none; margin: .9rem 0 0; padding: 0 0 0 .1rem; border-left: 1px solid currentColor; border-color: color-mix(in oklab, currentColor 30%, transparent); }
.dial-list a { display: block; padding: .22rem 0 .22rem .7rem; font: 500 .78rem/1.2 var(--sc-font-text); letter-spacing: .06em; color: inherit; text-decoration: none; opacity: .45; position: relative; transition: opacity .3s; }
.dial-list a:hover { opacity: .85; }
.dial-list a[aria-current="true"] { opacity: 1; }
.dial-list a[aria-current="true"]::before { content: ""; position: absolute; left: -4px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; border-radius: 50%; background: currentColor; }
.dial.dark { --dial-ink: #F1E9DC; }

@media (max-width: 860px) {
  .dial { left: auto; right: 12px; top: calc(10px + env(safe-area-inset-top)); translate: none; }
  .dial-now { cursor: pointer; display: flex; align-items: baseline; gap: .45rem; padding: .42rem .8rem .38rem; border-radius: 999px; background: color-mix(in oklab, var(--dial-bg, #FFFFFF) 72%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 4px 18px rgba(20, 30, 45, .12); }
  .dial.dark { --dial-bg: #1A1714; }
  .dial-k { margin: 0; font-size: .56rem; }
  .dial-yr { font-size: 1.15rem; }
  .dial-list { display: none; position: absolute; right: 0; top: calc(100% + 8px); margin: 0; padding: .4rem; border: 0; border-radius: 14px; background: var(--dial-bg, #FFFFFF); box-shadow: 0 10px 30px rgba(20, 30, 45, .2); min-width: 7.5rem; }
  .dial.open .dial-list { display: block; }
  .dial-list a { padding: .55rem .8rem; font-size: .95rem; }
  .dial-list a[aria-current="true"]::before { left: 0; }
}

/* ================================================================ HERO */
.hero { background: #C9D2DB; overflow: hidden; color: #15212F; }
.h-wall { position: absolute; left: -6%; top: -6%; width: 112%; height: 112%; max-width: none; object-fit: cover; transform: translate3d(0, calc(var(--sc-p, 0) * -3vh), 0) scale(calc(1.04 - var(--sc-p, 0) * .04)); will-change: transform; }
.h-title { position: absolute; z-index: 2; margin: 0; left: 5vw; top: 47%; translate: 0 -50%; display: flex; flex-direction: column; align-items: flex-start; font: 400 clamp(6rem, 1rem + 13vw, 16rem)/.86 var(--sc-font-display); letter-spacing: -.055em; color: #FFFFFF; text-shadow: 0 10px 40px rgba(40, 60, 85, .18);
  transform: translate3d(calc(var(--sc-p, 0) * -6vw), calc(var(--sc-p, 0) * -14vh), 0) scale(calc(1 - var(--sc-p, 0) * .16)); transform-origin: 0 50%; opacity: calc(1 - var(--sc-p, 0) * 2.1); will-change: transform; }
.h-l2 { display: flex; align-items: baseline; padding-left: .55em; }
.h-amp { font-style: italic; font-size: .5em; color: var(--blue); margin: 0 .12em 0 0; translate: 0 -.12em; text-shadow: none; }
.h-couple { position: absolute; z-index: 3; bottom: 0; right: 6vw; height: 96vh; width: auto; max-width: none; transform-origin: 50% 100%;
  transform: translate3d(0, calc(var(--sc-p, 0) * 2vh), 0) scale(calc(1 + var(--sc-p, 0) * .12)); filter: drop-shadow(0 30px 60px rgba(30, 45, 65, .22)); will-change: transform; }
.h-veil { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.h-veil i { position: absolute; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 255, 255, .85), rgba(255, 255, 255, 0)); filter: blur(18px); will-change: transform; }
.h-veil i:nth-child(1) { width: 46vw; height: 30vh; left: -10vw; bottom: -8vh; transform: translate3d(calc(var(--sc-p, 0) * 18vw), calc(var(--sc-p, 0) * -70vh), 0); }
.h-veil i:nth-child(2) { width: 30vw; height: 22vh; right: -6vw; bottom: 10vh; opacity: .7; transform: translate3d(calc(var(--sc-p, 0) * -10vw), calc(var(--sc-p, 0) * -95vh), 0); }
.h-veil i:nth-child(3) { width: 60vw; height: 26vh; left: 20vw; bottom: -20vh; opacity: .55; transform: translate3d(0, calc(var(--sc-p, 0) * -120vh), 0); }
.h-petals { position: absolute; inset: 0; z-index: 5; pointer-events: none; }
.h-petals span { position: absolute; width: var(--s); height: calc(var(--s) * .62); border-radius: 60% 0 60% 0; background: linear-gradient(135deg, #FFFFFF, #DCEBF8); opacity: .85; box-shadow: 0 2px 6px rgba(40, 60, 90, .15);
  transform: translate3d(0, calc(var(--sc-p, 0) * var(--v) * -100vh), 0) rotate(calc(var(--r) + var(--sc-p, 0) * 240deg)); }
.h-to { position: absolute; z-index: 6; left: 33vw; width: 25vw; top: calc(9vh + env(safe-area-inset-top)); margin: 0; display: flex; flex-direction: column; align-items: center; gap: .55rem; text-align: center; }
.h-to-k { display: flex; align-items: center; gap: .8rem; font: 600 .82rem/1 var(--sc-font-text); letter-spacing: .34em; text-transform: uppercase; color: var(--blue-deep); }
.h-to-k::before, .h-to-k::after { content: ""; width: 2.2rem; height: 1px; background: currentColor; opacity: .6; }
.h-to-name { font: 500 clamp(2.1rem, 1.1rem + 2.5vw, 3.8rem)/1.15 var(--sc-font-display); letter-spacing: .05em; color: #15212F; text-wrap: balance; }
[data-invitee], [data-who], .ticket-stub strong { text-transform: uppercase; }
.h-date { position: absolute; z-index: 6; left: 5vw; bottom: 6vh; margin: 0; display: flex; flex-direction: column; gap: .35rem; }
.h-date span:first-child { font: 500 clamp(1.3rem, 1rem + 1vw, 2rem)/1 var(--sc-font-display); letter-spacing: .04em; }
.h-date span:last-child { font: 600 .72rem/1.2 var(--sc-font-text); letter-spacing: .24em; text-transform: uppercase; color: #3A4B5E; }
.h-beat { position: absolute; z-index: 6; left: 5vw; top: 50%; translate: 0 -50%; margin: 0; font: 400 clamp(2.2rem, 1.4rem + 3vw, 4.4rem)/1.08 var(--sc-font-display); color: #15212F; text-shadow: 0 2px 30px rgba(255, 255, 255, .8); }
.h-beat em { color: var(--blue-deep); }

@media (max-width: 760px) {
  .h-title { left: 0; right: 0; top: calc(9vh + env(safe-area-inset-top)); translate: none; flex-direction: row; align-items: baseline; justify-content: center; font-size: clamp(4.4rem, 22vw, 7rem); color: #FFFFFF;
    transform: translate3d(0, calc(var(--sc-p, 0) * -8vh), 0) scale(calc(1 - var(--sc-p, 0) * .12)); transform-origin: 50% 0; }
  .h-l2 { padding-left: .1em; }
  .h-couple { right: 50%; height: auto; width: 108vw; max-height: 62svh; object-fit: contain; object-position: bottom; translate: 50% 0; }
  .h-to { left: 6vw; right: 6vw; width: auto; top: calc(3vh + env(safe-area-inset-top)); gap: .3rem; }
  .h-to-k { font-size: .7rem; }
  .h-to-name { font-size: 1.45rem; }
  .h-title { top: calc(12.5vh + 2.6rem + env(safe-area-inset-top)) !important; }
  .h-date { left: 0; right: 0; bottom: auto; top: calc(12.5vh + 2.6rem + 21vw + 1.4rem + env(safe-area-inset-top)); align-items: center; text-align: center; }
  .h-date span:first-child { font-size: 1.15rem; }
  .h-beat { left: 6vw; right: 6vw; top: auto; bottom: 7vh; translate: none; text-align: center; font-size: 2rem; background: rgba(255, 255, 255, .72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: 18px; padding: .9rem 1rem; }
  .h-veil i:nth-child(1) { width: 90vw; }
}

/* ============================================================== TUA NGƯỢC */
.rewind { background: radial-gradient(80% 70% at 50% 45%, #3A332B 0%, #1A1612 70%); color: #F1E9DC; display: grid; place-items: center; overflow: hidden; }
.leader { position: absolute; width: min(80vmin, 640px); aspect-ratio: 1; fill: none; stroke: rgba(241, 233, 220, .22); stroke-width: 1.2; transform: rotate(calc(var(--sc-p, 0) * -720deg)); }
.leader .sweep { fill: rgba(241, 233, 220, .06); stroke: none; }
.rw-num { position: relative; margin: 0; font: 400 clamp(6rem, 3rem + 16vw, 17rem)/1 var(--sc-font-display); letter-spacing: -.04em; font-variant-numeric: tabular-nums lining-nums; color: #F6EFE2; filter: blur(calc((1 - var(--settle, 1)) * 3px)); }
.rw-line { position: absolute; bottom: 12vh; left: 0; right: 0; margin: 0; text-align: center; font: italic 400 clamp(1.25rem, 1rem + 1vw, 1.9rem)/1.4 var(--sc-font-display); color: #E8DCC7; padding: 0 1.25rem; }

/* ================================================================== 2020 */
.depth { background: radial-gradient(90% 80% at 60% 50%, #F2E9D8 0%, #E3D5BC 100%); color: #3B2F22; overflow: hidden; perspective: 1200px; }
.yr-head { position: absolute; z-index: 5; left: clamp(5.5rem, 12vw, 12rem); top: 50%; translate: 0 -50%; max-width: 34ch; }
.depth .yr-big { color: #6B5539; }
.depth .yr-cap { color: #3B2F22; }
.print { position: absolute; z-index: 3; left: 50%; top: 50%; width: min(46vw, 640px); padding: 12px 12px 14px; background: #FBF7EF; box-shadow: 0 30px 60px -20px rgba(60, 40, 20, .45), 0 2px 6px rgba(60, 40, 20, .15);
  transform: translate3d(calc(-50% + var(--x, 0px)), calc(-50% + var(--y, 0px)), 0) scale(var(--s, .3)) rotate(var(--rot, 0deg)); opacity: var(--o, 0); will-change: transform, opacity; }
.print img { width: 100%; height: auto; }
.print .stamp { right: 22px; bottom: 26px; }
.print.tall { width: min(30vw, 420px); }
.print:nth-of-type(1) { --rot: -4deg; }
.print:nth-of-type(2) { --rot: 3deg; }
.print:nth-of-type(3) { --rot: -1.5deg; }
.print:nth-of-type(4) { --rot: 4deg; }
.print:nth-of-type(5) { --rot: -2.5deg; }

@media (max-width: 760px) {
  .yr-head { left: 6vw; right: 6vw; top: calc(12vh + env(safe-area-inset-top)); translate: none; }
  .depth .yr-big { font-size: 5rem; }
  .depth .yr-cap { font-size: 1.3rem; }
  .print { width: 84vw; top: 68%; }
  .print.tall { width: 56vw; }
}

/* ================================================================== 2021 */
.yr-flow { color: #35291E; }
.y21 { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(1rem, 2vw, 2rem); align-items: start; }
.y21-text { grid-column: 1 / span 5; padding-top: 6vh; }
.y21-text .yr-big { color: #7A6143; }
.y21-a { grid-column: 7 / span 6; }
.y21-b { grid-column: 2 / span 4; margin-top: -4vh; }
.y21-c { grid-column: 7 / span 5; margin-top: 10vh; }
.y21-d { grid-column: 1 / span 6; margin-top: 4vh; }
.y21-e { grid-column: 8 / span 4; margin-top: -8vh; }
.y21 figure { position: relative; border-radius: 4px; overflow: hidden; box-shadow: 0 24px 50px -24px rgba(60, 40, 20, .5); }
.y21 figure img { width: 100%; height: auto; }
@media (max-width: 760px) {
  .y21 { grid-template-columns: 1fr 1fr; }
  .y21-text { grid-column: 1 / -1; padding-top: 0; }
  .y21-a { grid-column: 1 / -1; }
  .y21-b { grid-column: 1 / 2; margin-top: 0; }
  .y21-c { grid-column: 2 / 3; margin-top: 18vw; }
  .y21-d { grid-column: 1 / -1; margin-top: 0; }
  .y21-e { grid-column: 1 / 2; margin-top: 0; }
}

/* ============================================================ 2022–2023 */
.strip-stage { background: #1C1916; color: #F1E9DC; display: flex; align-items: center; overflow: hidden; }
.strip { position: relative; align-items: center; gap: 0; padding: 46px clamp(5rem, 10vw, 10rem) 46px clamp(6rem, 13vw, 13rem); background: #0E0C0A; height: min(72vh, 620px); box-sizing: border-box; }
.strip::before, .strip::after { content: ""; position: absolute; left: 0; right: 0; height: 18px; background: radial-gradient(closest-side, #2B2621 70%, transparent 74%) 0 0 / 34px 18px repeat-x; }
.strip::before { top: 14px; }
.strip::after { bottom: 14px; }
.frame { position: relative; flex: 0 0 auto; height: 100%; margin: 0 14px; border-radius: 3px; overflow: hidden; background: #000; }
.frame img { height: 100%; width: auto; max-width: none; object-fit: cover; }
.strip-card { flex: 0 0 auto; width: min(34vw, 420px); padding: 0 3vw 0 1vw; color: #F1E9DC; }
.strip-card .yr-big { color: #F1E9DC; }
.strip-card .yr-cap { color: #D9CCB6; }
@media (max-width: 760px) {
  .strip { height: 64svh; padding-inline: 8vw 20vw; }
  .strip-card { width: 78vw; padding-right: 8vw; }
  .strip-card .yr-big { font-size: 4.6rem; }
  .frame { margin: 0 8px; }
}

/* ================================================================== 2024 */
.fan { background: radial-gradient(90% 80% at 55% 55%, #FAF6EF 0%, #ECE4D8 100%); color: #2E2720; overflow: hidden; }
.fan-head { position: absolute; z-index: 5; left: clamp(5.5rem, 12vw, 12rem); top: 14vh; max-width: 30ch; }
.fan-head .yr-big { color: #8A6E50; }
.fan-deck { position: absolute; left: 67%; top: 56%; width: 0; height: 0; }
.pol { position: absolute; left: 0; top: 0; width: clamp(180px, 16vw, 280px); padding: 10px 10px 50px; background: #FFFFFF; box-shadow: 0 30px 60px -18px rgba(50, 35, 20, .45);
  transform: translate(-50%, -50%) translate3d(calc(var(--k) * var(--f, 0) * 10.5vw), calc(var(--f, 0) * var(--k) * var(--k) * 2.2vh), 0) rotate(calc(var(--k) * (1.5deg + var(--f, 0) * 5deg))); will-change: transform; }
.pol img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.pol figcaption { position: absolute; left: 0; right: 0; bottom: 12px; text-align: center; font-size: 1.35rem; color: #3A3027; }
@media (max-width: 760px) {
  .fan-head { left: 6vw; right: 6vw; top: calc(10vh + env(safe-area-inset-top)); }
  .fan-head .yr-big { font-size: 4.6rem; }
  .fan-deck { left: 50%; top: 70%; }
  .pol { width: 36vw; padding: 6px 6px 34px;
    transform: translate(-50%, -50%) translate3d(calc(var(--k) * var(--f, 0) * 15vw), calc(var(--f, 0) * (var(--k) * var(--k) * 2.6vh - 1vh)), 0) rotate(calc(var(--k) * (2deg + var(--f, 0) * 5deg))); }
  .pol figcaption { font-size: 1.05rem; bottom: 9px; }
}

/* =========================================================== KHOẢNG LẶNG */
.hush { background: linear-gradient(180deg, #F4E3D6 0%, #CFE0EE 55%, #B9D3EA 100%); display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 6rem); padding: 0 clamp(5.5rem, 11vw, 11rem); box-sizing: border-box; color: #23384E; overflow: hidden; }
.hush-t { margin: 0; justify-self: end; text-align: right; font: italic 400 clamp(1.8rem, 1.2rem + 2vw, 3.2rem)/1.25 var(--sc-font-display); }
.hush-y { font: 400 clamp(4rem, 3rem + 5vw, 8rem)/.9 var(--sc-font-display); font-style: normal; display: block; letter-spacing: -.04em; margin-bottom: .8rem; color: #4A6683; }
.win { position: relative; justify-self: start; width: min(30vw, 400px); aspect-ratio: 3 / 4; border-radius: 999px 999px 18px 18px; overflow: hidden; background: #DCE8F3; box-shadow: 0 0 0 10px rgba(255, 255, 255, .7), 0 40px 80px -30px rgba(30, 60, 100, .55); }
.win img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: var(--o, 0); transform: scale(calc(1.08 - var(--o, 0) * .06)); will-change: opacity, transform; }
@media (max-width: 760px) {
  .hush { grid-template-columns: 1fr; align-content: center; padding: calc(8vh + env(safe-area-inset-top)) 8vw 6vh; gap: 2rem; }
  .hush-t { justify-self: center; text-align: center; font-size: 1.6rem; }
  .hush-y { font-size: 4rem; }
  .win { justify-self: center; width: 70vw; }
}

/* ============================================================== CẦU HÔN */
.propose { background: radial-gradient(70% 60% at 50% 45%, #1C2C40 0%, #0B141F 75%); color: #FFFFFF; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: clamp(1rem, 2.6vh, 2rem); padding: 0 1rem; box-sizing: border-box; }
.screen { position: relative; width: min(860px, 70vw, calc((100svh - 15rem) * 16 / 9)); aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; background: #000; box-shadow: 0 0 0 1px rgba(255, 255, 255, .08), 0 50px 100px -30px rgba(0, 0, 0, .8); }
.propose .screen :is(video, .sc-stage__poster) { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sub { position: relative; z-index: 21; margin: 0; text-align: center; font: 400 clamp(1.6rem, 1.1rem + 1.6vw, 2.8rem)/1.3 var(--sc-font-display); }
.sub em { color: #CFE5FA; }
.replay { position: relative; z-index: 22; border: 1px solid rgba(255, 255, 255, .45); background: rgba(255, 255, 255, .08); color: #FFFFFF; border-radius: 999px; padding: .8rem 1.4rem; min-height: 44px; font: 500 1rem/1 var(--sc-font-text); cursor: pointer; }
.replay:hover { background: rgba(255, 255, 255, .16); }
@media (max-width: 760px) {
  .screen { width: min(86vw, calc((100svh - 16rem) * 3 / 4)); aspect-ratio: 3 / 4; }
  .sub { font-size: 1.5rem; }
}

/* ======================================================= NHẪN MỞ CỬA */
.ring-stage { background: #F4F8FC; overflow: hidden; color: #15212F; }
.r-photo { position: absolute; inset: 0; overflow: hidden; }
.r-photo img { width: 100%; height: 100%; object-fit: cover; transform-origin: var(--rx, 55%) var(--ry, 64%); transform: scale(var(--zoom, 1)); will-change: transform; }
.r-line { position: absolute; z-index: 6; left: 50%; translate: -50% 0; width: max-content; max-width: calc(100vw - 2rem); box-sizing: border-box; margin: 0; padding: .35em .9em .4em; border-radius: 999px; background: rgba(255, 255, 255, .78); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); text-align: center; font: 400 clamp(1.5rem, 1rem + 2vw, 3rem)/1.15 var(--sc-font-display); color: #15212F; box-shadow: 0 10px 40px -12px rgba(20, 40, 70, .35); }
.r-l1 { top: 14vh; }
.r-l2 { top: 14vh; font-style: italic; }
.r-next { position: absolute; inset: 0; z-index: 4; clip-path: circle(var(--rr, 0px) at var(--cx, 55%) var(--cy, 64%)); will-change: clip-path; }
.r-next img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; transform: scale(calc(1.06 - var(--open, 0) * .06)); }
.r-next::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 25, 45, .72) 0%, rgba(10, 25, 45, .35) 42%, transparent 68%); opacity: var(--open, 0); }
.r-next-copy { position: absolute; z-index: 2; left: clamp(5.5rem, 12vw, 12rem); top: 50%; translate: 0 -50%; max-width: 32ch; color: #FFFFFF; opacity: var(--copy, 0); transform: translateY(calc((1 - var(--copy, 0)) * 24px)); }
.r-next-copy .yr-big { color: #FFFFFF; }
.r-next-copy .yr-cap { color: #F2F7FC; }
.r-ring { position: absolute; inset: 0; z-index: 5; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.r-ring circle { fill: none; stroke: url(#silver); stroke-width: var(--sw, 3px); filter: drop-shadow(0 0 10px rgba(255, 255, 255, .85)); opacity: var(--ringo, 0); }
@media (max-width: 760px) {
  .r-next-copy { left: 6vw; right: 6vw; top: auto; bottom: 10vh; translate: none; }
  .r-next::after { background: linear-gradient(0deg, rgba(10, 25, 45, .65) 0%, rgba(10, 25, 45, .1) 50%, transparent 70%); }
  .r-l1, .r-l2 { top: calc(10vh + env(safe-area-inset-top)); padding: 0 1rem; }
}

/* ============================================================= ĐÍNH HÔN */
.cn { color: #15212F; padding-block: clamp(3rem, 7vw, 7rem); }
.cn-k { margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); font: italic 400 clamp(1.4rem, 1.1rem + 1vw, 2.1rem)/1.3 var(--sc-font-display); color: #33465B; }
.cn-row { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: clamp(.6rem, 1.4vw, 1.2rem); align-items: center; }
.cn-row figure { overflow: hidden; border-radius: 6px; cursor: zoom-in; box-shadow: 0 24px 50px -30px rgba(30, 60, 100, .55); }
.cn-row img { width: 100%; height: auto; }
.cn-b, .cn-c { margin-top: 6vh; }
@media (max-width: 760px) { .cn-row { grid-template-columns: 1fr 1fr; } .cn-a, .cn-d { grid-column: 1 / -1; } .cn-b, .cn-c { margin-top: 0; } }

.engage { color: #15212F; }
.eng-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.eng-title { margin: 0 0 .5rem; font: italic 400 clamp(2.6rem, 1.8rem + 3vw, 5rem)/1.05 var(--sc-font-display); color: #15212F; }
.eng-date { margin: 0; font: 400 clamp(3rem, 2rem + 5vw, 6.5rem)/1 var(--sc-font-display); letter-spacing: -.03em; color: var(--blue-deep); }
.eng-p { margin: 1.4rem 0 0; max-width: 34ch; font: italic 400 clamp(1.3rem, 1.1rem + .8vw, 1.85rem)/1.5 var(--sc-font-display); color: #33465B; }
.eng-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-flow: dense; gap: clamp(.75rem, 1.6vw, 1.4rem); }
.eng-grid figure { overflow: hidden; border-radius: 6px; cursor: zoom-in; box-shadow: 0 20px 50px -28px rgba(30, 60, 100, .5); }
.eng-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.eng-grid figure:hover img { transform: scale(1.03); }
.g1 { grid-column: 1 / span 4; grid-row: span 2; margin-top: 8vh; }
.g2 { grid-column: 5 / span 4; grid-row: span 2; }
.g3 { grid-column: 9 / span 4; align-self: end; }
.g4 { grid-column: 9 / span 4; }
.g5 { grid-column: 2 / span 3; grid-row: span 2; }
.g6 { grid-column: 5 / span 3; grid-row: span 2; margin-top: 6vh; }
.g7 { grid-column: 8 / span 4; grid-row: span 2; }
.g8 { grid-column: 1 / span 4; grid-row: span 2; }
.g9 { grid-column: 5 / span 8; }
@media (max-width: 760px) {
  .eng-grid { grid-template-columns: repeat(6, 1fr); }
  .g1, .g2, .g5, .g6, .g7, .g8 { grid-column: span 3; margin-top: 0; }
  .g2, .g6 { margin-top: 10vw; }
  .g3, .g4, .g9 { grid-column: 1 / -1; }
}

/* ======================================================== SUẤT CHIẾU */
.cine-intro { color: #EEF3F8; background: #10161E; }
.cine-head { text-align: center; margin: 0 auto clamp(3rem, 7vw, 5.5rem); max-width: 52rem; }
.cine-head .kicker { color: var(--blue); margin-bottom: 1.6rem; }
.cine-title { margin: 0; font: 400 clamp(3.4rem, 2rem + 6.5vw, 8rem)/1.12 var(--sc-font-display); letter-spacing: -.03em; }
.cine-p { margin: 1.6rem auto 0; max-width: 30ch; color: #C3D1DF; font: italic 400 clamp(1.3rem, 1.1rem + .8vw, 1.9rem)/1.5 var(--sc-font-display); }
.cine-open { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: clamp(.6rem, 1.5vw, 1.2rem); align-items: center; }
.cine-open figure { overflow: hidden; border-radius: 4px; cursor: zoom-in; }
.cine-open img { width: 100%; height: auto; }
@media (max-width: 760px) { .cine-open { grid-template-columns: 1fr 1fr; } .cine-open figure:nth-child(2) { grid-column: 1 / -1; grid-row: 1; } }

.reel-stage { background: #0B0F14; color: #EEF3F8; display: flex; align-items: center; overflow: hidden; transition: background-color .6s var(--ease); }
.reel-stage[data-reel="b"] { background: #17110B; }
.reel-switch { position: absolute; z-index: 10; left: 50%; top: calc(clamp(1rem, 3.5vh, 2rem) + env(safe-area-inset-top)); translate: -50% 0; display: flex; gap: 4px; padding: 4px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); }
.reel-switch button { border: 0; border-radius: 999px; background: none; color: #C9D6E3; padding: .75rem 1.2rem; min-height: 44px; font: 400 1rem/1 var(--sc-font-text); cursor: pointer; white-space: nowrap; }
.reel-switch button b { font-weight: 600; margin-right: .3rem; }
.reel-switch button[aria-pressed="true"] { background: #EEF3F8; color: #0B0F14; }
.reel-stage[data-reel="b"] .reel-switch button[aria-pressed="true"] { background: #F2E3C6; color: #2A1D10; }
.reel { align-items: center; height: min(66vh, 600px); padding: 0 12vw 0 8vw; gap: 0; }
.reel-lead { flex: 0 0 auto; width: min(36vw, 480px); padding-right: 4vw; }
.reel-n { margin: 0 0 .8rem; font: 600 .9rem/1 var(--sc-font-text); letter-spacing: .3em; text-transform: uppercase; color: var(--blue); }
.reel-stage[data-reel="b"] .reel-n { color: #E0B878; }
.reel-k { margin: 0; font: 400 clamp(2.4rem, 1.6rem + 2.4vw, 4rem)/1.1 var(--sc-font-display); }
.reel-p { margin: 1.2rem 0 0; color: #C3D1DF; font: italic 400 clamp(1.15rem, 1rem + .5vw, 1.45rem)/1.5 var(--sc-font-display); max-width: 26ch; }
.reel-stage[data-reel="b"] .reel-p { color: #D8C3A0; }
.cell { position: relative; flex: 0 0 auto; height: 100%; margin: 0 10px; padding: 22px 0; background: #050608; box-sizing: border-box; cursor: zoom-in; border: 0; color: inherit; font: inherit; }
.cell::before, .cell::after { content: ""; position: absolute; left: 0; right: 0; height: 10px; background: radial-gradient(closest-side, #1D232B 70%, transparent 74%) 0 0 / 22px 10px repeat-x; }
.cell::before { top: 6px; } .cell::after { bottom: 6px; }
.cell img { height: calc(100% - 34px); width: auto; max-width: none; transition: filter .6s var(--ease); }
.cell .lbl { display: flex; justify-content: space-between; gap: 1rem; padding: 8px 2px 0; font: 500 .68rem/1 ui-monospace, "Courier New", monospace; letter-spacing: .12em; color: #8FA3B8; text-transform: uppercase; }
.reel-stage[data-reel="b"] .cell { background: #0C0805; }
.reel-stage[data-reel="b"] .cell img { filter: sepia(.32) contrast(1.06) saturate(.9); }
.reel-stage[data-reel="b"] .cell .lbl { color: #C9A877; font-family: var(--hanzi), serif; letter-spacing: .06em; }
.cell .subt { position: absolute; left: 6%; right: 6%; bottom: 52px; margin: 0; text-align: center; font: 500 .95rem/1.35 var(--sc-font-text); color: #FFF6C8; text-shadow: 0 1px 2px #000, 0 0 8px rgba(0, 0, 0, .8); display: none; }
.reel-stage[data-reel="b"] .cell .subt { display: block; }
.reel.swap { opacity: .0; transition: opacity .25s; }
.reel { transition: opacity .35s; }
@media (max-width: 760px) {
  .reel { height: 62svh; padding-inline: 6vw 20vw; }
  .reel-lead { width: 76vw; }
  .reel-k { font-size: 2.2rem; }
  .reel-switch { left: 1rem; right: 1rem; top: calc(60px + env(safe-area-inset-top)); translate: none; justify-content: center; }
  .reel-switch button { padding: .7rem 1.4rem; font-size: .95rem; }
  .reel-switch button > span { display: none; }
}

/* ======================================================== CÀO VẬN MAY */
.lucky { color: #15212F; }
.lk-head { text-align: center; margin-bottom: clamp(1.5rem, 4vw, 2.8rem); }
.lk-title { margin: 0; font: 400 clamp(2.6rem, 1.8rem + 3.2vw, 5rem)/1.1 var(--sc-font-display); letter-spacing: -.02em; }
.sc-ticket { max-width: 760px; margin: 0 auto; border-radius: 28px; background: #FFFFFF; padding: clamp(14px, 2vw, 22px); box-shadow: 0 40px 90px -45px rgba(20, 50, 90, .6); }
.sc-head { margin: 4px 0 14px; text-align: center; font: 600 clamp(.85rem, .78rem + .25vw, 1rem)/1.2 var(--sc-font-text); letter-spacing: .28em; text-transform: uppercase; color: var(--blue-deep); }
.scratch { position: relative; border-radius: 20px; overflow: hidden; min-height: clamp(300px, 34vw, 400px); background: var(--blue-soft); display: grid; }
.sc-prize { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: clamp(24px, 4vw, 44px); }
.sc-k { margin: 0; font: 600 clamp(.85rem, .78rem + .25vw, 1rem)/1 var(--sc-font-text); letter-spacing: .3em; text-transform: uppercase; color: var(--blue-deep); }
.sc-title { margin: 14px 0; font: italic 500 clamp(1.7rem, 1.3rem + 1.4vw, 2.6rem)/1.25 var(--sc-font-display); }
.sc-title b { display: block; font-style: normal; font-weight: 600; font-size: clamp(1.9rem, 1.4rem + 1.8vw, 3rem); color: var(--blue-deep); }
.sc-sub { margin: 0; font-size: clamp(1rem, .95rem + .3vw, 1.2rem); line-height: 1.55; color: var(--sc-ink-soft); }
.scratch canvas { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: crosshair; transition: opacity .7s var(--ease); }
.scratch.done canvas { opacity: 0; pointer-events: none; }
.sc-foot { margin: 10px 0 0; text-align: center; }
.sc-skip { border: 0; background: none; color: var(--sc-ink-soft); font-size: 1rem; text-decoration: underline; padding: 10px; min-height: 44px; cursor: pointer; }
.sc-skip[hidden] { display: none; }

/* =========================================================== THƯ MỜI */
.tickets { color: #15212F; }
.tk-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.tk-title { margin: 0; font: 400 clamp(2.4rem, 1.6rem + 3vw, 4.6rem)/1.15 var(--sc-font-display); letter-spacing: -.02em; text-wrap: balance; }
.tk-title span { font-style: normal; color: var(--blue-deep); letter-spacing: .02em; }
.tk-list { display: grid; gap: 1.75rem; max-width: 64rem; margin: 0 auto; }
.ticket { display: grid; grid-template-columns: 1fr auto; background: #FFFFFF; border-radius: 24px; box-shadow: 0 30px 70px -40px rgba(20, 50, 90, .55), 0 1px 0 rgba(20, 50, 90, .05); overflow: hidden; position: relative; }
.ticket-main { padding: clamp(1.6rem, 3.4vw, 3rem); }
.ticket-k { margin: 0; font: 600 clamp(.85rem, .78rem + .25vw, 1rem)/1.2 var(--sc-font-text); letter-spacing: .24em; text-transform: uppercase; color: var(--blue-deep); }
.ticket-date { margin: .8rem 0 .3rem; font: 400 clamp(2.8rem, 2rem + 3vw, 4.6rem)/1 var(--sc-font-display); letter-spacing: -.02em; }
.ticket-day { margin: 0; font-size: clamp(1.1rem, 1rem + .3vw, 1.3rem); color: var(--sc-ink-soft); }
.ticket-sched { list-style: none; margin: 1.6rem 0; padding: 0; display: flex; flex-wrap: wrap; gap: .8rem 2.6rem; }
.ticket-sched li { display: flex; flex-direction: column; gap: .2rem; }
.ticket-sched b { font: 500 clamp(1.7rem, 1.4rem + 1vw, 2.3rem)/1.1 var(--sc-font-display); }
.ticket-sched span { font-size: clamp(1rem, .95rem + .2vw, 1.15rem); color: var(--sc-ink-soft); }
.ticket-venue { margin: 0; font-weight: 600; font-size: clamp(1.15rem, 1.05rem + .4vw, 1.45rem); }
.ticket-addr { margin: .35rem 0 0; color: var(--sc-ink-soft); font-size: clamp(1rem, .95rem + .25vw, 1.2rem); line-height: 1.5; }
.ticket-acts { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.ticket-stub { width: clamp(8rem, 17vw, 13rem); border-left: 2px dashed #CFDDEB; background: var(--blue-soft); display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 1.4rem 1rem; text-align: center; }
.ticket-stub small { font: 600 .8rem/1.3 var(--sc-font-text); letter-spacing: .22em; text-transform: uppercase; color: var(--blue-deep); }
.ticket-stub strong { display: block; margin-top: .5rem; font: 500 clamp(1.25rem, 1.1rem + .5vw, 1.6rem)/1.25 var(--sc-font-display); letter-spacing: .03em; word-break: break-word; }
.ticket::before, .ticket::after { content: ""; position: absolute; right: calc(clamp(8rem, 17vw, 13rem) - 13px); width: 26px; height: 26px; border-radius: 50%; background: var(--sc-canvas); }
.ticket::before { top: -13px; } .ticket::after { bottom: -13px; }
.ticket.pending .ticket-venue { color: var(--sc-ink-soft); font-weight: 500; font-style: italic; }
@media (max-width: 640px) {
  .ticket { grid-template-columns: 1fr; }
  .ticket-stub { width: auto; border-left: 0; border-top: 2px dashed #CFDDEB; flex-direction: row; gap: .8rem; justify-content: flex-start; padding: 1.1rem 1.6rem; }
  .ticket-stub strong { margin: 0; }
  .ticket::before, .ticket::after { display: none; }
}
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; border: 0; border-radius: 999px; padding: .9rem 1.4rem; min-height: 48px; font: 600 1rem/1 var(--sc-font-text); text-decoration: none; cursor: pointer; background: var(--blue-deep); color: #FFFFFF; transition: background-color .2s, transform .2s; }
.btn:hover { background: #24598C; }
.btn:active { transform: scale(.98); }
.btn.ghost { background: #EEF4FA; color: var(--blue-deep); }
.btn.ghost:hover { background: #DCEBF8; }
.btn.wide { width: 100%; font-size: 1.08rem; }
.btn[disabled] { opacity: .6; cursor: wait; }
.countdown { display: flex; justify-content: center; gap: clamp(1.2rem, 5vw, 4rem); margin: clamp(3rem, 6vw, 4.5rem) 0 2.5rem; }
.countdown div { text-align: center; }
.countdown b { display: block; font: 400 clamp(3rem, 2rem + 3.6vw, 5.2rem)/1 var(--sc-font-display); font-variant-numeric: tabular-nums lining-nums; color: var(--blue-deep); }
.countdown span { font-size: clamp(.85rem, .8rem + .2vw, 1rem); letter-spacing: .2em; text-transform: uppercase; color: var(--sc-ink-soft); }
.map { max-width: 64rem; margin: 0 auto; border-radius: 22px; overflow: hidden; background: #DCE6F0; aspect-ratio: 16 / 7; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 640px) { .map { aspect-ratio: 4 / 3; } }

/* ============================================================ THAM GIA */
.join { color: #15212F; }
.join-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2.4vw, 2rem); align-items: start; }
.panel { background: #FFFFFF; border-radius: 24px; padding: clamp(1.6rem, 3.2vw, 2.8rem); box-shadow: 0 24px 60px -40px rgba(20, 50, 90, .5); }
.panel-wide { grid-column: 1 / -1; }
.panel-h { margin: 0 0 .6rem; font: 400 clamp(2rem, 1.5rem + 1.8vw, 3.1rem)/1.1 var(--sc-font-display); }
.panel-p { margin: 0 0 1.4rem; font-size: clamp(1.05rem, 1rem + .25vw, 1.25rem); line-height: 1.55; color: var(--sc-ink-soft); }
@media (max-width: 860px) { .join-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 1.1rem; }
.form label { display: flex; flex-direction: column; gap: .45rem; }
.form .lb, .form legend { font-size: clamp(1rem, .96rem + .2vw, 1.15rem); font-weight: 500; color: #15212F; }
.form em { color: #C0392B; font-style: normal; }
.form .opt { font-weight: 400; color: var(--sc-ink-soft); }
.form input:not([type="radio"]), .form select, .form textarea { font: inherit; font-weight: 400; font-size: 17px; padding: .9rem 1rem; min-height: 52px; box-sizing: border-box; border: 1px solid #CFDCE8; border-radius: 14px; background: #F8FBFE; color: var(--sc-ink); width: 100%; }
.form textarea { resize: vertical; }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form legend { margin-bottom: .45rem; padding: 0; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.seg label { display: block; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; padding: .95rem .6rem; text-align: center; border-radius: 14px; border: 1px solid #CFDCE8; background: #F8FBFE; font-size: 1rem; font-weight: 500; cursor: pointer; }
.seg input:checked + span { background: var(--blue-deep); color: #FFFFFF; border-color: var(--blue-deep); }
.seg input:focus-visible + span { outline: 2px solid var(--blue-deep); outline-offset: 2px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.row2[hidden] { display: none; }
.hp { position: absolute; left: -9999px; }
.form-msg { margin: 0; min-height: 1.2em; font-size: 1rem; }
.form-msg.ok { color: #1E7A4C; }
.form-msg.err { color: #B03A2E; }
.wish-list { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: .8rem; max-height: 26rem; overflow: auto; }
.wish-list li { background: #F4F8FC; border-radius: 16px; padding: 1rem 1.2rem; }
.wish-list b { display: block; font-size: 1.05rem; }
.wish-list p { margin: .3rem 0; font-size: 1.05rem; line-height: 1.5; }
.wish-list time { font-size: .85rem; color: var(--sc-ink-soft); }
.wish-empty { color: var(--sc-ink-soft); font-size: 1.02rem; }
.gifts { display: grid; grid-template-columns: repeat(2, minmax(0, 260px)); justify-content: center; gap: clamp(1rem, 4vw, 3rem); }
.gcard { text-align: center; }
.gcard h3 { margin: 0; font: 500 clamp(1.4rem, 1.2rem + .6vw, 1.8rem)/1.2 var(--sc-font-display); }
.gcard .owner { margin: .3rem 0 .8rem; font-size: .95rem; letter-spacing: .08em; color: var(--sc-ink-soft); }
.qr { aspect-ratio: 1; border-radius: 16px; overflow: hidden; background: #F4F8FC; display: grid; place-items: center; }
.qr.empty { font-size: .95rem; color: var(--sc-ink-soft); padding: 1rem; border: 1px dashed #CFDCE8; }
.acct { font-size: 1rem; margin: .6rem 0; }
.acct b { display: block; font-size: 1.15rem; }

#fx { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 130; }
html.th-lock, html.th-lock body { overflow: hidden; }
#thanks { position: fixed; inset: 0; z-index: 125; display: block; opacity: 0; transition: opacity .3s var(--ease); cursor: pointer; overflow: hidden; }
#thanks[hidden] { display: none; }
#thanks.show { opacity: 1; }
.th-bg { position: absolute; inset: 0; background: radial-gradient(120% 80% at 50% 100%, #FFFFFF 0%, #DCEBF8 45%, #A9CCEC 100%); }
.th-bg::before { content: ""; position: absolute; left: 50%; bottom: -40vmax; width: 200vmax; height: 200vmax; margin-left: -100vmax; border-radius: 50%; background: repeating-conic-gradient(from 0deg, rgba(255, 255, 255, .75) 0deg 7deg, rgba(255, 255, 255, 0) 7deg 18deg); -webkit-mask: radial-gradient(circle, #000 20%, transparent 62%); mask: radial-gradient(circle, #000 20%, transparent 62%); animation: spin 22s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.th-stage { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; }
.th-couple { position: relative; width: min(96vw, 560px); height: auto; transform: translateY(105%); filter: drop-shadow(0 -6px 30px rgba(27, 43, 64, .25)); }
#thanks.show .th-couple { animation: popUp .9s cubic-bezier(.2, 1.4, .4, 1) .05s forwards, bob2 2.4s ease-in-out 1s infinite; }
@keyframes popUp { 0% { transform: translateY(105%) scale(.85); } 70% { transform: translateY(-3%) scale(1.03); } 100% { transform: translateY(0) scale(1); } }
@keyframes bob2 { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }
.th-bubble { position: relative; margin: 0 18px 18px; max-width: 440px; padding: 18px 22px 16px; border-radius: 26px; background: #FFFFFF; color: #1B2B40; text-align: center; box-shadow: 0 14px 40px rgba(27, 43, 64, .22); transform: scale(0) rotate(-6deg); transform-origin: 50% 100%; }
.th-bubble::after { content: ""; position: absolute; left: 50%; bottom: -12px; width: 26px; height: 26px; margin-left: -13px; background: inherit; transform: rotate(45deg); border-radius: 4px; }
#thanks.show .th-bubble { animation: bubble .55s cubic-bezier(.2, 1.6, .4, 1) .45s forwards; }
@keyframes bubble { to { transform: scale(1) rotate(0); } }
.th-k { display: block; font: 600 11px/1.2 var(--sc-font-text); letter-spacing: .24em; text-transform: uppercase; color: #3D76AC; }
.th-title { display: block; margin: 6px 0 4px; font: italic 500 clamp(32px, 9vw, 46px)/1.05 var(--sc-font-display); word-break: break-word; }
.th-sub { margin: 0; font-size: 14px; line-height: 1.45; color: #5B6E86; }
.th-close { position: absolute; top: calc(14px + env(safe-area-inset-top)); right: 14px; border: 0; border-radius: 999px; padding: 8px 14px; font: 500 12px/1 var(--sc-font-text); background: rgba(255, 255, 255, .75); color: #1B2B40; opacity: 0; transition: opacity .4s 1.2s; }
#thanks.show .th-close { opacity: 1; }

/* ================================================================= KẾT */
.end { background: #13233A; color: #FFFFFF; overflow: hidden; display: grid; align-items: center; }
.end picture { position: absolute; top: 0; bottom: 0; right: 0; width: 64%; overflow: hidden; }
.end-bg { width: 100%; height: 100%; object-fit: cover; object-position: 38% 30%; transform: scale(calc(1.05 - var(--sc-p, 0) * .05)); }
.end::before { content: ""; position: absolute; top: 0; bottom: 0; right: 0; width: 64%; z-index: 1; background: linear-gradient(90deg, #13233A 0%, rgba(19, 35, 58, .6) 18%, rgba(19, 35, 58, 0) 42%), linear-gradient(0deg, rgba(19, 35, 58, .5) 0%, rgba(19, 35, 58, 0) 30%); }
.end-txt { text-shadow: 0 2px 18px rgba(10, 20, 35, .75), 0 1px 3px rgba(10, 20, 35, .6); position: relative; z-index: 2; width: min(38vw, 34rem); margin: 0; padding: 0 0 0 clamp(5.5rem, 10vw, 9rem); text-align: left; }
.end-k { margin: 0; font: 600 clamp(.9rem, .82rem + .3vw, 1.1rem)/1.2 var(--sc-font-text); letter-spacing: .32em; color: var(--blue); }
.end-names { margin: .4rem 0 .8rem; font: 400 clamp(3.6rem, 1.6rem + 5.6vw, 8rem)/.95 var(--sc-font-display); letter-spacing: -.03em; white-space: nowrap; }
.end-names i { font-weight: 400; color: var(--blue); font-size: .55em; }
.end-line { margin: 0; max-width: 28ch; font: italic 400 clamp(1.25rem, 1.05rem + .8vw, 1.85rem)/1.5 var(--sc-font-display); color: #E8F0F8; }
.hearts { display: inline-flex; align-items: center; gap: 16px; margin-top: 1.8rem; text-align: left; }
#heartBtn { position: relative; width: 68px; height: 68px; border-radius: 50%; border: 0; background: #FFFFFF; color: var(--blue-deep); font-size: 32px; line-height: 1; box-shadow: 0 10px 30px rgba(0, 0, 0, .3); display: grid; place-items: center; cursor: pointer; -webkit-tap-highlight-color: transparent; }
#heartBtn span { display: block; transform: translateY(2px); }
#heartBtn::before { content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .6); animation: ring 1.8s ease-out infinite; }
@keyframes ring { 0% { transform: scale(.85); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }
#heartBtn.pop span { animation: hpop .35s cubic-bezier(.2, 1.8, .4, 1); }
@keyframes hpop { 0% { transform: scale(.7); } 100% { transform: scale(1) translateY(2px); } }
.hearts p { margin: 0; font-size: 1rem; line-height: 1.4; color: #DCE6F0; }
.hearts b { font: 500 2rem/1 var(--sc-font-display); color: #FFFFFF; }
.to-top { display: block; margin: 1.4rem 0 0; width: max-content; color: #CFE5FA; font-size: 1rem; }
@media (max-width: 760px) {
  .end { align-items: end; }
  .end picture, .end::before { width: 100%; bottom: 42%; }
  .end-bg { object-position: 62% 30%; }
  .end::before { background: linear-gradient(0deg, #13233A 0%, rgba(19, 35, 58, 0) 45%); }
  .end-txt { width: auto; padding: 0 6vw 6vh; text-align: center; }
  .end-line { margin: 0 auto; }
  .to-top { margin: 1.2rem auto 0; }
  .end-names { font-size: 4.4rem; }
  .end-line { font-size: 1.2rem; }
}

/* ======================================================= LỚP NỔI */
.film-modal, .lightbox { position: fixed; inset: 0; z-index: 140; background: rgba(5, 8, 12, .94); display: grid; place-items: center; padding: 3vh 3vw; }
.film-modal[hidden], .lightbox[hidden] { display: none; }
.film-modal video { width: min(100%, 1200px); max-height: 86vh; border-radius: 8px; background: #000; }
.fm-x, .lb-x { position: absolute; top: calc(12px + env(safe-area-inset-top)); right: 12px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .14); color: #FFFFFF; font-size: 18px; cursor: pointer; }
.lightbox img { max-width: 92vw; max-height: 88vh; width: auto; height: auto; border-radius: 4px; }
.lb-prev, .lb-next { position: absolute; top: 50%; translate: 0 -50%; width: 48px; height: 64px; border: 0; border-radius: 10px; background: rgba(255, 255, 255, .1); color: #FFFFFF; font-size: 34px; cursor: pointer; }
.lb-prev { left: 10px; } .lb-next { right: 10px; }

/* ============================================= GIẢM CHUYỂN ĐỘNG */
@media (prefers-reduced-motion: reduce) {
  .film-grain::before { animation: none; }
  .h-wall, .h-title, .h-couple, .h-veil i, .h-petals span, .leader { transform: none !important; }
  .h-veil, .h-petals { display: none; }
  .h-title { opacity: 1; }
  .h-beat { display: none; }
  .depth { display: grid; grid-template-columns: repeat(3, 1fr); align-content: center; gap: 1rem; padding: 0 clamp(1.25rem, 8vw, 9rem); box-sizing: border-box; }
  .depth .yr-head { grid-column: 1 / -1; position: relative; left: auto; right: auto; top: auto; translate: none; max-width: 40ch; }
  .depth .yr-big { font-size: clamp(3.4rem, 2rem + 4vw, 6rem); }
  .print, .print.tall { position: relative; left: auto; top: auto; transform: none !important; opacity: 1 !important; width: auto; padding: 6px 6px 8px; }
  .depth { grid-template-columns: repeat(5, 1fr); }
  .win img { opacity: 0; transform: none; } .win img:first-child { opacity: 1; }
  .end-bg { transform: none; }
  .pol { --f: 1 !important; }
  .r-photo img { transform: none !important; }
  .r-next { clip-path: none !important; }
  .r-next-copy { opacity: 1 !important; transform: none !important; }
  .r-next::after { opacity: 1 !important; }
  .r-ring, .r-line { display: none; }
  #thanks .th-couple { animation: none; transform: none; }
  .th-bg::before { animation: none; }
}