@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/cormorant-garamond-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/cormorant-garamond-vietnamese-500-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:300;font-display:swap;src:url(fonts/be-vietnam-pro-latin-300-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:300;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-300-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/be-vietnam-pro-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"EB Garamond";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/eb-garamond-latin-400-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"EB Garamond";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/eb-garamond-vietnamese-400-italic.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Great Vibes";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/great-vibes-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Great Vibes";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/great-vibes-vietnamese-400-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
:root {
  --paper: #faf6ec;
  --card: #fffdf7;
  --mist: #dfe8d0;
  --leaf: #c6d3b2;
  --sage: #8fa97c;
  --green-deep: #47664a;
  --forest: #25402e;
  --gold: #bfa268;
  --gold-light: #e6c98a;
  --coral: #c9594c;
  --gold-text: #6e5c2f;
  --ink: #2f3a2c;
  --muted: #5d6556;
  --display: "Cormorant Garamond", "Times New Roman", serif;
  --body: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
  --poem: "EB Garamond", Georgia, serif;
  --script: "Great Vibes", "Cormorant Garamond", cursive;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section: clamp(5.5rem, 12vw, 10.5rem);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .42 0 0 0 0 .3 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--ink);
  font: 300 clamp(.98rem, .2vw + .93rem, 1.08rem)/1.8 var(--body);
  overflow-x: clip;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
picture { display: contents; }
h1, h2, h3, p, blockquote { margin: 0; }
h2 { font: 500 clamp(2.3rem, 4.8vw, 3.7rem)/1.14 var(--display); letter-spacing: .005em; }
h3 { font: 500 clamp(1.55rem, 2.5vw, 2rem)/1.22 var(--display); }
[hidden] { display: none !important; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--green-deep); outline-offset: 3px; }

header, main, footer { overflow-x: clip; }
.sprite { position: absolute; width: 0; height: 0; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 30; padding: .6rem 1rem; background: var(--ink); color: var(--card); }
.skip-link:focus { top: 1rem; }
.draft-banner { padding: .45rem var(--gutter); background: var(--ink); color: var(--card); font-size: .82rem; text-align: center; }
.eyebrow { color: var(--gold-text); font: 400 clamp(.72rem, .9vw, .8rem)/1.6 var(--body); letter-spacing: .32em; text-transform: uppercase; }
.divider { display: block; width: min(13rem, 70%); height: 1.4rem; margin-inline: auto; color: var(--gold); }
.lead { max-width: 36rem; margin-inline: auto; color: var(--muted); }

.button {
  position: relative; display: inline-block; overflow: hidden; padding: .85rem 2.2rem;
  border: 1px solid var(--green-deep); border-radius: 2px;
  background: var(--green-deep); color: #fff; cursor: pointer;
  font: 400 .78rem/1.4 var(--body); letter-spacing: .22em; text-transform: uppercase; text-decoration: none;
  transition: background-color .3s, color .3s, translate .3s;
}
.button::after { content: ""; position: absolute; inset: 0 auto 0 -60%; width: 45%; background: linear-gradient(100deg, transparent, rgb(255 255 255 / 40%), transparent); pointer-events: none; }
.button:hover { translate: 0 -2px; background: var(--forest); border-color: var(--forest); }
.button:hover::after { animation: sweep .9s ease; }
.button--ghost { background: transparent; color: var(--green-deep); }
.button--ghost:hover { color: #fff; }
.button:disabled { opacity: .6; cursor: wait; }

/* Mảng màu nước loang theo cuộn trang. Mặc định hiện đủ khi không có JavaScript. */
.wash {
  position: absolute; z-index: 0; width: var(--size, clamp(18rem, 44vw, 42rem)); height: auto; pointer-events: none;
  opacity: calc(var(--bloom, 1) * var(--strength, .9)); transform: scale(calc(.74 + .26 * var(--bloom, 1))) rotate(calc(var(--bloom, 1) * 8deg));
  -webkit-mask-image: radial-gradient(circle, #000 calc(var(--bloom, 1) * 58%), transparent calc(var(--bloom, 1) * 82% + 1%));
  mask-image: radial-gradient(circle, #000 calc(var(--bloom, 1) * 58%), transparent calc(var(--bloom, 1) * 82% + 1%));
}

.wash--a { left: -10%; top: -6%; }
.wash--b { right: -8%; bottom: 2%; --size: clamp(14rem, 32vw, 30rem); --strength: .7; }
.wash--c { right: -12%; top: 4%; }
.wash--d { left: -14%; bottom: 8%; --strength: .8; }
.wash--e { left: -10%; top: 2%; --size: clamp(14rem, 30vw, 28rem); --strength: .62; }
.wash--f { right: -12%; bottom: 12%; }
.wash--g { left: -12%; top: 6%; }
.wash--h { right: -14%; bottom: -2%; }
.wash--i { right: 6%; bottom: 0; --size: clamp(12rem, 24vw, 22rem); --strength: .6; }

.frame { overflow: hidden; aspect-ratio: 5 / 7; border: 5px solid var(--card); box-shadow: 0 0 0 1px rgb(191 162 104 / 55%), 0 1.4rem 2.6rem rgb(60 70 50 / 12%); background: var(--mist); }
.frame--arch { border-radius: 50vw 50vw 0 0; }
.frame--oval { border-radius: 50%; }
.collage { position: relative; width: 100%; }
.collage > * { position: absolute; }
.ghost-arch { border: 1px solid rgb(191 162 104 / 55%); border-bottom: 0; border-radius: 50vw 50vw 0 0; }

.hero { position: relative; padding: 1.5rem var(--gutter) clamp(4rem, 8vw, 7rem); }
.branch { position: absolute; left: 0; top: 0; width: clamp(10rem, 24vw, 22rem); height: auto; transform-origin: 0 0; animation: branch-sway 9s ease-in-out infinite; pointer-events: none; }
.nav, .hero__grid { position: relative; z-index: 1; }
.nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .15rem clamp(1rem, 3.4vw, 2.8rem); }
.nav a { padding: .5rem .25rem; font: 400 .74rem/1.5 var(--body); letter-spacing: .24em; text-decoration: none; text-transform: uppercase; }
.nav a:hover { color: var(--coral); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 4.5rem); align-items: center; max-width: 76rem; margin: clamp(2.5rem, 6vw, 4.5rem) auto 0; }
.hero__text { text-align: center; }
.hero__text > * { animation: rise .9s ease both; }
.hero__text > :nth-child(3) { animation-name: none; }
.hero__text > :nth-child(4) { animation-delay: 1.5s; }
.hero__text > :nth-child(5) { animation-delay: 1.65s; }
.hero__text > :nth-child(6) { animation-delay: 1.8s; }
.hero__text > :nth-child(7) { animation-delay: 1.95s; }
.hero__text > :nth-child(8) { animation-delay: 2.1s; }
.hy { display: block; width: clamp(3.4rem, 6vw, 4.6rem); height: auto; margin: 0 auto .9rem; }
.names { margin: 1rem 0 .9rem; font: 500 clamp(2.9rem, 12vw, 6.2rem)/1.06 var(--display); letter-spacing: .005em; color: var(--ink); }
.names span { display: block; }
.names span:first-child { animation: write 1.1s ease-out .2s both; }
.names span:last-child { animation: write 1.1s ease-out .9s both; }
.names__amp { margin-block: .08em; color: var(--coral); font: 400 .62em/1.1 var(--script); animation: pop .6s ease .7s both; }
.hero__date { margin-top: 1rem; font: 500 clamp(1.7rem, 3.2vw, 2.4rem)/1.2 var(--display); letter-spacing: .14em; font-variant-numeric: lining-nums; }
.hero__date i { color: var(--coral); font-style: normal; }
.hero__weekday { margin-top: .4rem; color: var(--muted); font-size: .92em; }
.hero__guest { margin-top: 1.25rem; color: var(--muted); }
.hero__guest strong { display: block; color: var(--ink); font: 500 1.7rem/1.3 var(--display); }
.hero .button { margin-top: 1.9rem; }

.collage--hero { aspect-ratio: 1 / 1.14; max-width: 33rem; margin-inline: auto; }
.collage--hero .ghost-arch { left: 25%; top: 0; width: 60%; height: 80%; animation: rise 1s ease .3s both; }
.hero-main { left: 19%; top: 4%; width: 60%; z-index: 2; animation: pop .9s ease .2s both; }
.hero-folds { left: 0; top: 18%; width: 33%; z-index: 1; rotate: -3deg; animation: pop .8s ease .5s both, float 8s ease-in-out 1.4s infinite; }
.hero-beading { left: 3%; bottom: 3%; width: 35%; z-index: 3; animation: pop .8s ease .7s both, float 7s ease-in-out 1.6s infinite; }
.hero-corset { right: 2%; bottom: 13%; width: 28%; z-index: 3; animation: pop .8s ease .9s both, float 9s ease-in-out 1.8s infinite; }

.section { position: relative; padding: var(--section) var(--gutter); text-align: center; }
.section > :not(.wash):not(.sky):not(.lantern) { position: relative; z-index: 1; }
.section > h2 { margin-top: .6rem; }

.ornate { position: relative; max-width: 66rem; margin-inline: auto; padding: clamp(3rem, 7vw, 5.5rem) clamp(1.5rem, 6vw, 5rem); }
.ornate--card { max-width: 46rem; background: rgb(255 253 247 / 82%); }
.corner { position: absolute; width: clamp(3rem, 7vw, 4.6rem); height: clamp(3rem, 7vw, 4.6rem); }
.corner--tl { top: 0; left: 0; }
.corner--tr { top: 0; right: 0; transform: scaleX(-1); }
.corner--bl { bottom: 0; left: 0; transform: scaleY(-1); }
.corner--br { bottom: 0; right: 0; transform: scale(-1); }
.corner-hy { position: absolute; width: clamp(1.1rem, 2vw, 1.5rem); height: auto; opacity: .85; }
.corner-hy--tl { top: .75rem; left: .75rem; }
.corner-hy--tr { top: .75rem; right: .75rem; }
.corner-hy--bl { bottom: .75rem; left: .75rem; }
.corner-hy--br { bottom: .75rem; right: .75rem; }
.ornate .lead { margin-top: 1rem; }
.quote { max-width: 40rem; margin: 1.4rem auto 0; color: var(--green-deep); font: 400 italic clamp(1.15rem, 2vw, 1.4rem)/1.65 var(--poem); }
.families { display: grid; gap: 2.75rem; align-items: center; margin-block: 3rem; }
.family h3 { color: var(--gold-text); font-size: clamp(1.25rem, 2vw, 1.5rem); }
.family__parent { font-size: .95em; }
.family__parent span { color: var(--muted); }
.family__address { color: var(--muted); font-size: .88em; }
.family__title { margin-top: 1.1rem; color: var(--gold-text); font: 400 .72rem/1.6 var(--body); letter-spacing: .28em; text-transform: uppercase; }
.family__child { font: 500 clamp(1.7rem, 2.8vw, 2.25rem)/1.2 var(--display); overflow-wrap: anywhere; }
.family__bio { max-width: 22rem; margin: .5rem auto 0; color: var(--muted); font-size: .9em; }
.rings { position: relative; width: min(19rem, 100%); aspect-ratio: 16 / 10; margin-inline: auto; }
.ring { position: absolute; top: 8%; width: 52%; aspect-ratio: 1; animation: float 7s ease-in-out infinite; }
.ring--left { left: 0; }
.ring--right { right: 0; animation-delay: -3s; }
.rings__amp { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; width: 3rem; height: 3rem; border: 1px solid var(--gold); border-radius: 50%; background: var(--card); color: var(--coral); font: 400 1.8rem/1 var(--script); transform: translate(-50%, -50%); animation: beat 2.8s ease-in-out infinite; }

.timeline { display: grid; gap: clamp(3.5rem, 9vw, 7rem); max-width: 62rem; margin: clamp(3rem, 7vw, 5rem) auto 0; overflow-x: clip; }
.story { display: grid; gap: 1.4rem; align-items: center; }
.story__photo { overflow: hidden; aspect-ratio: 7 / 5; box-shadow: 0 0 0 1px rgb(191 162 104 / 50%); }
.story__photo img { transform: translateY(calc(var(--shift, 0) * 1px)) scale(1.08); transition: clip-path 1.7s cubic-bezier(.4, 0, .2, 1) .15s; }
.story__step { color: var(--gold-text); font: 400 .7rem/1.6 var(--body); letter-spacing: .3em; text-transform: uppercase; }
.story__text p:last-child { margin-top: .5rem; color: var(--muted); }
.story.reveal--pending { transform: translateX(-3.5rem); }
.story.reveal--pending:nth-child(even) { transform: translateX(3.5rem); }
.story.reveal--pending .story__photo img { clip-path: inset(0 100% 0 0); }
.story.reveal--pending:nth-child(even) .story__photo img { clip-path: inset(0 0 0 100%); }
.story.is-visible .story__photo img, .story.is-visible:nth-child(even) .story__photo img { clip-path: inset(0); }

.album { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: clamp(1.5rem, 5vw, 4.5rem); max-width: 74rem; margin: clamp(3rem, 7vw, 5rem) auto 0; }
.slot { --delay: 0s; margin: 0; }
.slot:nth-child(3n + 2) { --delay: .1s; }
.slot:nth-child(3n) { --delay: .2s; }
.slot__zoom { display: block; overflow: hidden; width: 100%; padding: 0; border: 0; background: var(--mist); box-shadow: 0 0 0 1px rgb(191 162 104 / 45%); cursor: zoom-in; }
.slot__zoom img { transition: transform .9s ease; }
.slot__zoom:hover img { transform: scale(1.05); }
.slot--portrait .slot__zoom { aspect-ratio: 5 / 7; }
.slot--landscape { grid-column: span 2; }
.slot--landscape .slot__zoom { aspect-ratio: 7 / 5; }
.slot--square .slot__zoom { aspect-ratio: 1; }
.slot:nth-child(6) { grid-column: 1 / -1; width: min(100%, 26rem); justify-self: center; }
.slot figcaption { padding-top: .7rem; color: var(--muted); font-size: .84em; }
.album__quote { grid-column: 1 / -1; color: var(--green-deep); font: 400 clamp(1.7rem, 3.4vw, 2.6rem)/1.25 var(--script); }

.lightbox { position: fixed; inset: 0; overflow: hidden; width: 100vw; max-width: none; height: 100vh; height: 100dvh; max-height: none; margin: 0; padding: 0; border: 0; background: rgb(20 30 22 / 94%); }
.lightbox::backdrop { background: rgb(20 30 22 / 94%); }
.lightbox img { position: absolute; inset: 0; width: auto; height: auto; max-width: calc(100vw - 2rem); max-height: calc(100vh - 2rem); max-height: calc(100dvh - 2rem); margin: auto; object-fit: contain; }
.lightbox button { position: absolute; display: grid; place-items: center; width: 3rem; height: 3rem; border: 1px solid rgb(255 255 255 / 45%); border-radius: 50%; background: rgb(20 30 22 / 55%); color: #fff; font: 400 1.7rem/1 var(--body); cursor: pointer; }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__prev { top: 50%; left: 1rem; translate: 0 -50%; }
.lightbox__next { top: 50%; right: 1rem; translate: 0 -50%; }

/* Phần hôn lễ là một mảng màu nước xanh rừng, mép giấy loang tự nhiên. */
.schedule { z-index: 1; isolation: isolate; color: #f5f1e6; }
.schedule::before { content: ""; position: absolute; inset: -2.5rem 0; z-index: -1; background: url(art/forest.webp) center / 100% 100% no-repeat; }
.schedule .eyebrow { color: var(--gold-light); }
.schedule h2 { color: #fff; }
.sky { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.events { display: grid; gap: clamp(1.75rem, 4vw, 3rem); max-width: 60rem; margin: clamp(2.5rem, 6vw, 4rem) auto 0; }
.event { padding: clamp(5.5rem, 10vw, 7.5rem) clamp(2rem, 5vw, 3.5rem) 2.75rem; border: 1px solid rgb(230 201 138 / 60%); border-radius: 50vw 50vw 0 0; background: rgb(20 40 28 / 40%); }
.event h3 { color: #fff; }
.event__time { display: block; margin-top: .5rem; color: var(--gold-light); font: 500 clamp(2.8rem, 5vw, 3.6rem)/1.1 var(--display); font-variant-numeric: lining-nums; }
.event__welcome { color: var(--gold-light); font-size: .9em; }
.event__date { margin-top: .4rem; color: #f5f1e6; font-size: .92em; }
.event__lunar { color: #dfe6d8; font-size: .86em; }
.event .divider { margin-block: 1rem; color: var(--gold-light); }
.event__venue { font: 500 1.5rem/1.3 var(--display); }
.event__address { margin-bottom: .5rem; color: #dfe6d8; }
.event .button { margin-top: 1rem; padding-inline: 1.1rem; letter-spacing: .14em; }
.schedule .button--ghost { border-color: var(--gold-light); background: transparent; color: var(--gold-light); }
.schedule .button--ghost:hover { background: var(--gold-light); color: var(--forest); }
.countdown__label { margin-top: clamp(3rem, 7vw, 4.5rem); color: var(--gold-light); font: 400 .74rem/1.6 var(--body); letter-spacing: .32em; text-transform: uppercase; }
.countdown__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(.5rem, 2.5vw, 1.5rem); max-width: 36rem; margin: 1rem auto 0; }
.countdown__grid div { padding-block: clamp(.6rem, 1.6vw, 1rem); border-block: 1px solid rgb(230 201 138 / 50%); }
.countdown__grid span { display: block; color: var(--gold-light); font: 500 clamp(2.2rem, 6.5vw, 3.6rem)/1.1 var(--display); font-variant-numeric: lining-nums tabular-nums; }
.countdown__grid small { color: #dfe6d8; font-size: .78rem; }
.countdown__done { margin-top: 1.5rem; color: var(--gold-light); font: 500 1.8rem/1.3 var(--display); }

.form { display: grid; gap: 1.4rem; max-width: 32rem; margin: 2.25rem auto 0; text-align: left; }
.field { display: grid; gap: .35rem; min-width: 0; margin: 0; padding: 0; border: 0; }
.field label, .field legend { color: var(--gold-text); font: 400 .82rem/1.5 var(--body); letter-spacing: .04em; }
.field legend { padding: 0; margin-bottom: .35rem; }
input[type="text"], select, textarea { width: 100%; min-height: 3rem; padding: .6rem .85rem; border: 1px solid var(--leaf); border-radius: 2px; background: #fffefa; color: var(--ink); font: inherit; transition: border-color .2s, box-shadow .2s; }
input[type="text"]:focus, select:focus, textarea:focus { border-color: var(--green-deep); box-shadow: 0 0 0 3px rgb(143 169 124 / 28%); }
.choices { display: grid; gap: .25rem; }
.choices--inline { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.field .choices label { display: flex; align-items: center; gap: .6rem; min-height: 3rem; color: var(--ink); font: inherit; letter-spacing: 0; cursor: pointer; }
.field .choices--inline label { justify-content: center; border: 1px solid var(--leaf); border-radius: 2px; background: #fffefa; transition: background-color .2s, border-color .2s; }
.field .choices--inline label:has(input:checked) { border-color: var(--green-deep); background: var(--mist); }
input[type="radio"] { width: 1.05rem; height: 1.05rem; margin: 0; accent-color: var(--green-deep); }
.field--trap { position: absolute; left: -100vw; }
.form .button { justify-self: center; }
.form__status { min-height: 1.65em; color: var(--green-deep); text-align: center; }

.footer { position: relative; padding: clamp(5rem, 11vw, 8rem) var(--gutter) 3.5rem; text-align: center; }
.footer > :not(.wash) { position: relative; z-index: 1; }
.footer__closing { max-width: 34rem; margin: 1.25rem auto 0; color: var(--muted); }
.footer__names { margin-top: 1rem; font: 500 clamp(2.1rem, 5vw, 3.2rem)/1.2 var(--display); }
.footer__date { color: var(--gold-text); font: 400 .8rem/1.6 var(--body); letter-spacing: .3em; }
.footer__credit { margin-top: 1rem; color: var(--muted); font-size: .76rem; }

.petals { position: fixed; inset: 0; z-index: 15; width: 100%; height: 100%; pointer-events: none; }
.petal-toggle, .music-toggle { position: fixed; right: 1rem; z-index: 20; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid rgb(191 162 104 / 60%); border-radius: 50%; background: rgb(255 253 247 / 92%); cursor: pointer; }
.petal-toggle { bottom: 1rem; padding: .35rem; transition: filter .2s; }
.petal-toggle svg { width: 100%; height: 100%; animation: spin 14s linear infinite; }
.petal-toggle[aria-pressed="false"] { filter: grayscale(1); }
.petal-toggle[aria-pressed="false"] svg { animation: none; }
.music-toggle { bottom: 4.25rem; padding: .6rem; color: var(--muted); }
.music-toggle svg { width: 100%; height: 100%; fill: currentColor; }
.music-toggle[aria-pressed="true"] { color: var(--green-deep); animation: beat 2.8s ease-in-out infinite; }

/* Đèn lồng màu nước: đung đưa nhẹ, lắc thêm theo đà cuộn trang. */
.lantern {
  position: absolute; width: var(--w, 6rem); height: auto; pointer-events: none; transform-origin: 50% 0;
  transform: rotate(calc(var(--swing, 0) * var(--k, 1) * 1deg)); animation: lantern-sway var(--t, 6s) ease-in-out var(--d, 0s) infinite;
}
.lantern--h1, .lantern--h2 { display: none; }
.lantern--g1, .lantern--g2 { display: none; opacity: .62; }
.lantern--s1 { --w: clamp(5.5rem, 10vw, 9.5rem); left: .5%; top: clamp(-7rem, -6vw, -3.5rem); --t: 6.5s; --k: 1.2; }
.lantern--s2 { --w: clamp(4rem, 6.5vw, 6rem); left: 11%; top: clamp(-9rem, -9vw, -5rem); --t: 5.4s; --d: -2s; --k: .8; display: none; }
.lantern--s3 { --w: clamp(3.6rem, 5.5vw, 5rem); left: 19%; top: clamp(-5rem, -4vw, -2rem); --t: 7s; --d: -4s; --k: 1.4; display: none; }
.lantern--s4 { --w: clamp(4rem, 7vw, 6.5rem); right: 2%; top: clamp(-6.5rem, -7vw, -4rem); --t: 7.4s; --d: -1s; }
.lantern--rise { --w: 3.2rem; bottom: -6rem; opacity: 0; transform-origin: 50% 50%; animation: lantern-rise var(--t) linear var(--d) infinite; }
.lantern--rise-1 { left: 1.5%; --t: 27s; --d: -3s; }
.lantern--rise-2 { left: 7%; --t: 35s; --d: -18s; --w: 2.5rem; }
.lantern--rise-3 { left: 90%; --t: 31s; --d: -9s; --w: 2.8rem; }
.lantern--rise-4 { left: 96%; --t: 37s; --d: -25s; --w: 2.4rem; }

/* Phong thiệp mở đầu. Là thẻ a trỏ tới #mo-thiep nên vẫn mở được khi JavaScript lỗi. */
.intro-anchor { position: absolute; top: 0; }
#mo-thiep:target ~ .intro { display: none; }
.is-sealed { overflow: hidden; }
#mo-thiep:not(:target) ~ .intro:not([hidden]) ~ .hero * { animation-play-state: paused !important; }
.intro { --tip: 50%; position: fixed; inset: 0; z-index: 12; overflow: hidden; perspective: 1500px; background: var(--paper); transition: opacity .7s ease 3.2s; }
.intro__back { position: absolute; inset: 0; background: var(--sage) url(art/lining.webp) center / cover; }
.intro__card {
  position: absolute; left: 50%; top: 50%; display: grid; place-content: center; justify-items: center; gap: .4rem;
  width: min(82vw, 25rem, 62vh); aspect-ratio: 5 / 7; padding: 1.5rem; translate: -50% -50%; transform: translateY(60vh);
  background: var(--card); outline: 1px solid rgb(191 162 104 / 70%); outline-offset: -.65rem; box-shadow: 0 1.2rem 3rem rgb(40 55 40 / 30%); text-align: center;
  transition: transform 1.1s cubic-bezier(.2, .8, .3, 1) 1.5s, scale .7s ease 3.2s;
}
.intro__card-names { font: 500 clamp(2rem, 8vw, 2.7rem)/1.12 var(--display); }
.intro__card-names span { display: block; }
.intro__card-amp { color: var(--coral); font: 400 .72em/1.1 var(--script); }
.intro__card-date { font: 500 1.35rem/1.2 var(--display); letter-spacing: .14em; font-variant-numeric: lining-nums; }
.intro__pocket, .intro__flap-face::before { background: var(--paper) url(art/cover-wide.webp) 0 0 / 100vw 100vh no-repeat; }
.intro__pocket { position: absolute; inset: 0; clip-path: polygon(0 0, 50% var(--tip), 100% 0, 100% 100%, 0 100%); transition: transform .8s ease-in 2.3s; }
.intro__flap { position: absolute; inset: 0 0 auto; height: var(--tip); transform-origin: 50% 0; filter: drop-shadow(0 .3rem .5rem rgb(70 80 60 / 22%)); transition: transform 1s ease-in-out 1s; }
.intro__flap-face { position: absolute; inset: 0; background: linear-gradient(90deg, #d8bd86, #bfa268 50%, #d8bd86); clip-path: polygon(0 0, 100% 0, 50% 100%); }
.intro__flap-face::before { content: ""; position: absolute; inset: 0; clip-path: polygon(0 0, 100% 0, 50% 99.2%); }
.intro__decor { position: absolute; inset: 0; overflow: hidden; pointer-events: none; transition: opacity .35s ease; }
.intro__branch { position: absolute; left: 0; top: 0; width: clamp(12rem, 32vw, 29rem); height: auto; transform-origin: 0 0; animation: branch-sway 9s ease-in-out infinite; }
.is-opening .intro__decor { opacity: 0; }
.lantern--c1 { --w: clamp(6.5rem, 11vw, 10.5rem); right: 1%; top: clamp(-6rem, -3vw, -2rem); --t: 6.6s; }
.lantern--c2 { --w: clamp(4.4rem, 7vw, 6.6rem); right: calc(1% + clamp(5rem, 8vw, 7.8rem)); top: clamp(-9rem, -8vw, -5rem); --t: 5.4s; --d: -2s; }
.lantern--c3 { --w: clamp(3.8rem, 6vw, 5.6rem); right: calc(1% + clamp(9rem, 14vw, 13.2rem)); top: clamp(-4rem, -3vw, -2rem); --t: 7.4s; --d: -4s; display: none; }
.intro__open { position: absolute; inset: 0; color: var(--forest); text-decoration: none; cursor: pointer; }
.intro__open:focus-visible { outline-offset: -6px; }

/* Nụ hoa: búp màu nước mờ dần vào bông hoa, từng lớp cánh xoè ra quanh tâm. */
.bloom { --size: clamp(10rem, 38vmin, 15rem); position: absolute; left: 50%; top: var(--tip); width: var(--size); height: var(--size); translate: -50% -50%; transition: scale .8s ease 1.6s, opacity .8s ease 1.6s; }
.bloom__inner { position: absolute; inset: 0; filter: drop-shadow(0 .35rem .55rem rgb(70 60 50 / 22%)); }
.bloom__leaf, .bloom__petal {
  position: absolute; left: 27%; bottom: 50%; width: 46%; height: 50%; transform-origin: 50% 100%; rotate: var(--closed); scale: .5 .92; opacity: 0;
  transition: rotate 1.3s cubic-bezier(.22, 1, .36, 1) var(--d, 0s), scale 1.3s cubic-bezier(.22, 1, .36, 1) var(--d, 0s), opacity .3s ease calc(var(--d, 0s) + .05s);
}
.bloom__leaf { background: url(art/leaf.webp) center / 100% 100% no-repeat; }
.bloom__leaf:nth-child(1) { --closed: -36deg; --open: -144deg; }
.bloom__leaf:nth-child(2) { --closed: -18deg; --open: -72deg; }
.bloom__leaf:nth-child(3) { --closed: 0deg; --open: 180deg; }
.bloom__leaf:nth-child(4) { --closed: 18deg; --open: 72deg; }
.bloom__leaf:nth-child(5) { --closed: 36deg; --open: 144deg; }
.bloom__petal { --open-scale: 1; left: 20%; width: 60%; background: url(art/petal-outer.webp) center / 100% 100% no-repeat; }
.bloom__petal:nth-child(1) { --closed: -16deg; --open: -144deg; --d: .16s; }
.bloom__petal:nth-child(2) { --closed: 16deg; --open: 144deg; --d: .16s; }
.bloom__petal:nth-child(3) { --closed: -8deg; --open: -72deg; --d: .08s; }
.bloom__petal:nth-child(4) { --closed: 8deg; --open: 72deg; --d: .08s; }
.bloom__petal:nth-child(5) { --closed: 0deg; --open: 0deg; }
.bloom__petal:nth-child(n + 6) { --open-scale: .68; background-image: url(art/petal-inner.webp); }
.bloom__petal:nth-child(6) { --closed: 2deg; --open: 180deg; --d: .4s; }
.bloom__petal:nth-child(7) { --closed: -12deg; --open: -108deg; --d: .34s; }
.bloom__petal:nth-child(8) { --closed: 12deg; --open: 108deg; --d: .34s; }
.bloom__petal:nth-child(9) { --closed: -5deg; --open: -36deg; --d: .26s; }
.bloom__petal:nth-child(10) { --closed: 5deg; --open: 36deg; --d: .26s; }
.bloom__heart { position: absolute; left: 33%; top: 33%; width: 34%; height: 34%; background: url(art/heart.webp) center / contain no-repeat; scale: 0; transition: scale .9s cubic-bezier(.22, 1, .36, 1) .75s; }
.bloom__bud { position: absolute; left: 17%; top: -7%; width: 66%; height: auto; transform-origin: 50% 58%; animation: bud 4.6s ease-in-out infinite; transition: opacity .5s ease .05s, scale .6s ease; }
.intro__text { position: absolute; left: 1rem; right: 1rem; top: calc(var(--tip) + clamp(7rem, 24vmin, 10rem)); display: grid; justify-items: center; gap: .3rem; text-align: center; transition: opacity .3s ease; }
.intro__invite { font: 400 clamp(2.5rem, 9vmin, 3.9rem)/1.15 var(--script); color: var(--forest); }
.intro__guest { font: 500 clamp(1.15rem, 3.8vmin, 1.4rem)/1.3 var(--display); }
.intro__guest strong { font-weight: 500; }
.intro__names { font: 500 clamp(1.5rem, 5vmin, 2.1rem)/1.25 var(--display); letter-spacing: .03em; }
.intro__hint { margin-top: .5rem; color: var(--green-deep); font: 400 .72rem/1.5 var(--body); letter-spacing: .3em; text-transform: uppercase; animation: hint 2.4s ease-in-out infinite; }
.intro.is-opening { opacity: 0; }
.is-opening .bloom { scale: 1.35; opacity: 0; }
.is-opening .bloom__bud { opacity: 0; scale: 1.06; animation-play-state: paused; }
.is-opening .bloom__leaf { rotate: var(--open); scale: .92 1.08; opacity: 1; }
.is-opening .bloom__petal { rotate: var(--open); scale: var(--open-scale); opacity: 1; }
.is-opening .bloom__heart { scale: 1; }
.is-opening .intro__text { opacity: 0; }
.is-opening .intro__flap { transform: rotateX(176deg); }
.is-opening .intro__card { transform: none; scale: 1.14; }
.is-opening .intro__pocket { transform: translateY(105%); }

.reveal--pending { opacity: 0; transform: translateY(1.5rem); }
.reveal { transition: opacity .9s ease, transform .9s ease; }
.slot.reveal--pending { transform: translateY(2rem); }
.slot.reveal { transition: opacity .9s ease var(--delay), transform .9s ease var(--delay); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes rise { from { opacity: 0; transform: translateY(1.2rem); } }
@keyframes write { from { clip-path: inset(-25% 100% -25% -5%); } to { clip-path: inset(-25% -5% -25% -5%); } }
@keyframes pop { from { opacity: 0; scale: .7; } }
@keyframes float { 50% { translate: 0 -.5rem; } }
@keyframes branch-sway { 50% { rotate: 1.1deg; } }
@keyframes beat { 0%, 60%, 100% { scale: 1; } 15% { scale: 1.1; } 30% { scale: 1; } 45% { scale: 1.06; } }
@keyframes sweep { to { left: 120%; } }
@keyframes bud { 0%, 100% { rotate: -1.3deg; } 50% { rotate: 1.3deg; scale: 1.02; } }
@keyframes hint { 50% { opacity: .55; } }
@keyframes lantern-sway { 0%, 100% { rotate: -2.2deg; } 50% { rotate: 2.2deg; } }
@keyframes lantern-rise {
  0% { transform: translate(0, 0) rotate(-3deg); opacity: 0; }
  10% { opacity: .85; }
  50% { transform: translate(.8rem, -55vh) rotate(3deg); }
  85% { opacity: .7; }
  100% { transform: translate(-.4rem, -125vh) rotate(-2deg); opacity: 0; }
}
@keyframes spin { to { rotate: 360deg; } }

@media (max-aspect-ratio: 1 / 1) {
  .intro__pocket, .intro__flap-face::before { background-image: url(art/cover-tall.webp); }
}
@media (max-width: 39.99rem) {
  .schedule::before { background-size: 280% 100%; }
  .lantern--s1 { --w: 4.4rem; top: -4.5rem; }
}
@media (max-height: 34rem) {
  .intro { --tip: 34%; }
}
@media (min-width: 40rem) {
  .events { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .album { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .slot--portrait { grid-column: span 3; }
  .slot--square, .slot:nth-child(6) { grid-column: span 4; width: auto; }
  .slot--landscape { grid-column: span 6; }
  .slot:nth-child(even) { margin-top: clamp(1rem, 4vw, 3.5rem); }
  .lantern--s2, .lantern--c3 { display: block; }
}
@media (min-width: 48rem) {
  .story { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 4.5rem); }
  .story:nth-child(even) .story__photo { order: 2; }
  .story__text { text-align: left; }
  .story:nth-child(even) .story__text { text-align: right; }
  .lantern--s3, .lantern--g1, .lantern--g2 { display: block; }
  .lantern--g1 { --w: clamp(5rem, 8vw, 7.5rem); left: 1%; top: 22%; }
  .lantern--g2 { --w: clamp(5rem, 8vw, 7.5rem); right: 1.5%; top: 54%; --d: -3s; }
}
@media (min-width: 58rem) {
  .reveal--pending.reveal--left { transform: translateX(-2.5rem); }
  .reveal--pending.reveal--right { transform: translateX(2.5rem); }
  .families { grid-template-columns: minmax(0, 1fr) 19rem minmax(0, 1fr); }
}
@media (min-width: 62rem) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .collage--hero { max-width: none; }
  .names { font-size: clamp(3.6rem, 5.6vw, 5.2rem); }
  .lantern--h1, .lantern--h2 { display: block; }
  .lantern--h1 { --w: clamp(5.5rem, 7vw, 7rem); right: 2%; top: -3.5rem; --t: 6.4s; }
  .lantern--h2 { --w: clamp(3.8rem, 5vw, 5rem); right: calc(2% + clamp(4.5rem, 5.6vw, 6rem)); top: -5rem; --t: 5.2s; --d: -2.4s; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .intro { display: none; }
}