/* Thiệp Cưới - RED */
:root { --red:#c8302a; --ink:#1c1c1c; --muted:#8a7a70; --cream:#faf7f2; --line:#e8ddd5; }
.wedding-red { max-width: 512px; margin: 0 auto; overflow: hidden; color: var(--ink); background: var(--cream); font-family: Georgia, 'Times New Roman', serif; line-height: 1.55; }
.wedding-red * { box-sizing: border-box; }
.wedding-red img { display: block; max-width: 100%; }
.section { padding: 56px 24px; }
.hero { min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: space-between; text-align: center; gap: 28px; }
.eyebrow { margin: 0; color: var(--muted); font: 600 10px/1.7 Arial, sans-serif; letter-spacing: .18em; text-transform: uppercase; }
.hero > .eyebrow { color: var(--ink); }
.couple-names, .announcement h2, .event-heading h2, .venue-card h2, .gallery h2, .thank-you h2 { margin: 0; color: var(--red); font-weight: 400; }
.couple-names { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: clamp(27px, 7vw, 38px); line-height: 1.15; }
.couple-names img { width: 42px; height: 34px; object-fit: contain; }
.hero-photo, .portrait { width: 100%; margin: 0; overflow: hidden; }
.hero-photo { aspect-ratio: 3/4; }.portrait { aspect-ratio: 3/4; }
.hero-photo img, .portrait img, .gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.date-intro p { margin: 0 0 5px; color: var(--muted); letter-spacing: .18em; }.date-intro strong { font-size: 22px; letter-spacing: .12em; }
.countdown { width: 100%; max-width: 340px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.countdown div { padding: 14px 4px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.countdown strong { display: block; font-size: 24px; color: var(--red); }
.countdown span { display: block; margin-top: 4px; color: var(--muted); font: 10px Arial, sans-serif; text-transform: uppercase; letter-spacing: .08em; }
.guest-line { margin: 0; color: var(--muted); font: 14px Arial, sans-serif; }.guest-line strong { color: var(--ink); }
.family { border-top: 1px solid var(--line); }.parents { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding-bottom: 30px; border-bottom: 1px solid var(--line); text-align: center; }
.parent-card { display: grid; gap: 3px; }.parent-card strong { font: 700 10px Arial, sans-serif; }.parent-card p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 11px; white-space: normal; }
.announcement { padding: 42px 0; text-align: center; }.announcement h2 { margin: 18px 0; font-size: 30px; }.roles { display: flex; align-items: center; justify-content: center; gap: 12px; color: var(--muted); font: 10px Arial, sans-serif; text-transform: uppercase; letter-spacing: .08em; }.roles img { width: 34px; height: 28px; object-fit: contain; }
.event { background: #fff; text-align: center; }.event-heading h2 { margin: 7px 0; font-size: 28px; }.event-heading > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 12px; }.event-time { display: grid; gap: 5px; margin: 36px 0 22px; }.event-time strong { font-size: 21px; text-transform: uppercase; }.event-time span { color: var(--red); font-size: 19px; font-weight: 700; }
.calendar { overflow: hidden; margin: 0 auto 34px; border: 1px solid var(--line); border-radius: 8px; }.calendar-title { padding: 12px; font: 700 12px Arial, sans-serif; letter-spacing: .12em; }.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); }.calendar-grid span { min-height: 31px; display: grid; place-items: center; font: 11px Arial, sans-serif; }.calendar-days span { min-height: 30px; color: var(--muted); font-size: 10px; font-weight: 700; }.calendar-days span:last-child { color: var(--red); }.calendar-dates { padding-bottom: 8px; }.calendar-dates .is-wedding-day { margin: 3px; min-height: 25px; border-radius: 50%; color: white; background: var(--ink); font-weight: 700; }
.venue-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.venue-cards-single { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
.venue-card { padding: 24px 18px; border: 1px solid var(--line); border-radius: 8px; }.venue-card h2 { margin: 8px 0; font-size: 27px; }.venue-card > p:last-of-type { margin: 0 0 17px; color: var(--muted); font: 12px/1.6 Arial, sans-serif; }
.mung-cuoi { background: #fff; text-align: center; }.mung-cuoi h2 { margin: 0 0 22px; color: var(--ink); font-size: 30px; }
.mung-cuoi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mung-cuoi-card { padding: 16px; border: 1px solid var(--line); border-radius: 8px; }.mung-cuoi-card img { width: 100%; margin-bottom: 10px; border-radius: 6px; }.mung-cuoi-card p { margin: 3px 0; font-size: 12px; }
.button, .attendance button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; border: 1px solid var(--red); border-radius: 999px; padding: 10px 22px; color: white; background: var(--red); font: 700 12px Arial, sans-serif; letter-spacing: .05em; text-decoration: none; cursor: pointer; }.button-dark { width: 100%; border-color: var(--ink); background: var(--ink); }
.rsvp { text-align: center; background: var(--cream); }.rsvp-form { display: grid; gap: 15px; margin-top: 28px; text-align: left; }.rsvp-form input, .rsvp-form textarea { width: 100%; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 11px 0; color: var(--ink); background: transparent; font: 14px Arial, sans-serif; outline: 0; }.rsvp-form textarea { resize: vertical; }.attendance { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }.attendance button { color: var(--muted); background: transparent; border-color: var(--line); }.attendance button.is-selected { color: white; border-color: var(--red); background: var(--red); }.form-status { min-height: 20px; margin: 0; text-align: center; color: var(--red); font: 12px Arial, sans-serif; }
.gallery { background: #fff; }.gallery h2 { margin-bottom: 22px; text-align: center; color: var(--ink); font-size: 30px; }.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.gallery-item { aspect-ratio: 3/4; overflow: hidden; }.gallery-item img { transition: transform .4s ease; }.gallery-item:hover img { transform: scale(1.05); }
.thank-you { min-height: 240px; display: grid; place-content: center; gap: 12px; padding: 32px; color: white; background-size: cover; background-position: center; text-align: center; }.thank-you h2 { color: white; font-size: 45px; font-style: italic; }.thank-you p { margin: 0; font: 14px/1.6 Arial, sans-serif; }.thank-you span { color: white; font-size: 23px; }
.music-toggle { position: fixed; right: 20px; bottom: 20px; z-index: 20; width: 48px; height: 48px; border: 0; border-radius: 50%; color: var(--red); background: #fff; box-shadow: 0 4px 16px rgba(0,0,0,.18); font-size: 24px; cursor: pointer; }.music-toggle[aria-pressed='true'] { animation: music-pulse 1.5s infinite; }@keyframes music-pulse { 50% { transform: scale(1.08); } }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
@media (min-width: 768px) { .music-toggle { top: 20px; bottom: auto; }.section { padding-left: 32px; padding-right: 32px; } }