/* ==========================================================
   Contemporary Black Tie — onyx, gold and editorial type
   ========================================================== */

.bt {
  --vx-bg: #050505;
  --vx-ink: #f3ede1;
  --vx-accent: #c9a24f;
  --vx-accent-ink: #050505;
  --vx-line: rgba(201, 162, 79, 0.4);
  --vx-field-bg: #0f0f0f;
  --vx-field-ink: #f3ede1;
  --vx-display: 'VS Numbers', 'Bodoni Moda', serif;
  --vx-body: 'VS Numbers', 'Tenor Sans', sans-serif;
  --bt-gold: #c9a24f;
  --bt-gold-2: #e8cf8f;
  --bt-ivory: #f3ede1;
  background: #000;
}
.bt .vx-loader { background: #000; }
.bt .vx-loader-mono { font: 400 3rem 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: 0.08em; }

/* Gold foil text with a slow sheen */
.bt-foil { background: linear-gradient(110deg, #8a6a28 0%, #e8cf8f 22%, #b8913f 40%, #fff1c4 50%, #a8822f 62%, #e8cf8f 80%, #8a6a28 100%); background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: bt-sheen 6s linear infinite; }
@keyframes bt-sheen { to { background-position: -250% 0; } }

.bt-spot { position: fixed; inset: 0; z-index: 2; pointer-events: none; background: radial-gradient(circle 260px at var(--x, 50%) var(--y, 30%), rgba(201, 162, 79, 0.1), transparent 70%); }
.bt-col { position: relative; z-index: 3; background: #050505; }
.bt-sec { position: relative; padding: 96px 26px; overflow: hidden; }
.bt-kicker { margin: 0 0 18px; font: 400 0.66rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.4em; text-transform: uppercase; color: var(--bt-gold); }
.bt-h2 { margin: 0 0 30px; font: 400 clamp(2rem, 9vw, 2.7rem)/1.08 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: -0.01em; }
.bt-p { margin: 0 0 24px; font: 400 0.95rem/1.8 'VS Numbers', 'Tenor Sans', sans-serif; color: rgba(243, 237, 225, 0.78); }

/* ---------- Opening ---------- */

/* ---------- Hero ---------- */
.bt-hero { position: relative; min-height: 100svh; padding: 90px 20px 40px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.bt-hero .bt-kicker { text-align: center; }
.bt-giant { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; margin: 0; padding: 0 10px; font: 400 clamp(5rem, 27vw, 8rem)/0.82 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: -0.04em; pointer-events: none; }
.bt-giant-1 { align-self: flex-start; color: var(--bt-ivory); }
.bt-giant-2 { align-self: flex-end; color: var(--bt-ivory); }
.bt-giant-amp { align-self: center; font-style: italic; font-size: 0.6em; color: var(--bt-gold); }
.bt-hero-foot { position: relative; z-index: 2; display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--vx-line); font: 400 0.7rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.3em; text-transform: uppercase; color: var(--bt-gold); }

.bt-ticker { overflow: hidden; border-block: 1px solid var(--vx-line); padding: 14px 0; }
.bt-ticker div { display: flex; width: max-content; animation: bt-tick 26s linear infinite; }
.bt-ticker span { padding: 0 16px; font: italic 400 1.3rem 'VS Numbers', 'Bodoni Moda', serif; white-space: nowrap; }
.bt-ticker span:nth-child(even) { color: var(--bt-gold); font-style: normal; font-size: 0.8rem; align-self: center; }
@keyframes bt-tick { to { transform: translateX(-50%); } }

/* ---------- Date ---------- */
.bt-date .vx-scratch { width: 100%; aspect-ratio: 1.6; border-radius: 0; margin-bottom: 50px; box-shadow: 0 0 0 1px var(--bt-gold); }
.bt-date .vx-scratch-content { background: #0b0b0b; }
.bt-sc-small { margin: 0; font: 400 0.6rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(243, 237, 225, 0.7); }
.bt-sc-big { margin: 10px 0; font: italic 400 2rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold-2); }
.bt-count { margin-bottom: 30px; text-align: left; }
.bt-count-big { margin: 0 0 18px; display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--vx-line); }
.bt-count-big b { font: 400 clamp(6rem, 32vw, 9rem)/0.9 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: -0.04em; }
.bt-count-big span { font: italic 400 1.3rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold); }
.bt-date .vx-unit { border: 0; border-left: 1px solid var(--vx-line); border-radius: 0; padding: 4px 0 4px 10px; text-align: left; }
.bt-date .vx-unit b { font-family: 'VS Numbers', 'Bodoni Moda', serif; font-size: 1.8rem; color: var(--bt-ivory); }
.bt-date .vx-btns { justify-content: flex-start; }
.bt .vx-btn { border-radius: 0; letter-spacing: 0.3em; }

/* ---------- Story ---------- */
.bt-story { background: #0b0b0b; }
.bt-quote { margin: 0 0 50px; padding: 0 0 0 18px; border-left: 2px solid var(--bt-gold); font: italic 400 1.5rem/1.35 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold-2); }
.bt-chapter { display: grid; grid-template-columns: 46px 1fr; column-gap: 12px; padding: 26px 0; border-top: 1px solid rgba(243, 237, 225, 0.15); }
.bt-chapter-no { grid-row: span 2; margin: 0; font: italic 400 1.6rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold); }
.bt-chapter h3 { margin: 0 0 10px; font: 400 1.6rem 'VS Numbers', 'Bodoni Moda', serif; }
.bt-drop { margin: 0; font: 400 0.92rem/1.85 'VS Numbers', 'Tenor Sans', sans-serif; color: rgba(243, 237, 225, 0.78); }
.bt-drop::first-letter { float: left; margin: 6px 8px 0 0; font: 400 3.4rem/0.8 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold); }

/* ---------- Horizontal evening ---------- */
.bt-evening { position: relative; background: #050505; }
.bt-evening-pin { height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 0 26px; overflow: hidden; }
.bt-evening-track { display: flex; gap: 20px; will-change: transform; }
.bt-slide { flex: 0 0 82%; padding: 30px 24px; border: 1px solid var(--vx-line); background: linear-gradient(160deg, #111, #050505); }
.bt-slide-time { margin: 0; font: 400 clamp(3.4rem, 18vw, 4.6rem)/1 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: -0.03em; }
.bt-slide h3 { margin: 18px 0 6px; font: italic 400 1.9rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold-2); }
.bt-slide-place { margin: 0 0 16px; font: 400 0.62rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.3em; text-transform: uppercase; color: var(--bt-gold); }
.bt-slide-text { margin: 0; font: 400 0.92rem/1.7 'VS Numbers', 'Tenor Sans', sans-serif; color: rgba(243, 237, 225, 0.75); }
.bt-evening-bar { height: 1px; margin-top: 30px; background: rgba(243, 237, 225, 0.15); }
.bt-evening-bar span { display: block; height: 100%; background: var(--bt-gold); transform: scaleX(0); transform-origin: left; }

/* ---------- Venue ---------- */
.bt-info { display: grid; gap: 1px; margin-top: 30px; background: var(--vx-line); border: 1px solid var(--vx-line); }
.bt-info div { padding: 22px; background: #050505; }
.bt-info h3 { margin: 0 0 6px; font: italic 400 1.4rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold-2); }
.bt-info p { margin: 0; font: 400 0.88rem/1.7 'VS Numbers', 'Tenor Sans', sans-serif; color: rgba(243, 237, 225, 0.75); }
.bt .vx-map { border-radius: 0; filter: grayscale(1) invert(0.9) contrast(0.9); }

/* ---------- Dress ---------- */
.bt-dress { text-align: center; background: #0b0b0b; }
.bt-bowtie { margin: 0 auto 20px; }
.bt-palette { display: grid; grid-template-columns: repeat(3, 1fr); height: 160px; margin-bottom: 24px; border: 1px solid var(--vx-line); }
.bt-palette div { position: relative; background: var(--c); }
.bt-palette em { position: absolute; left: 0; right: 0; bottom: 10px; font: 400 0.6rem 'VS Numbers', 'Tenor Sans', sans-serif; font-style: normal; letter-spacing: 0.3em; text-transform: uppercase; color: var(--bt-gold); }
.bt-palette div:last-child em { color: #050505; }

/* ---------- RSVP ---------- */
.bt-engraved { padding: 46px 22px 30px; border: 1px solid var(--bt-gold); box-shadow: inset 0 0 0 6px #050505, inset 0 0 0 7px rgba(201, 162, 79, 0.45); }
.bt-engraved .bt-h2 { font-style: italic; }
.bt .vx-rsvp input:not([type=radio]):not([type=checkbox]), .bt .vx-rsvp select, .bt .vx-rsvp textarea { border-radius: 0; border-color: rgba(201, 162, 79, 0.35); }
.bt .vx-choices label > span, .bt .vx-checks label > span { border-radius: 0; }
.bt .vx-thanks-title { font-style: italic; }

/* ---------- Gifts & FAQ ---------- */
.bt-fund { margin: 0 0 40px; }
.bt-fund summary { cursor: pointer; list-style: none; display: inline-block; padding: 12px 22px; border: 1px solid var(--bt-gold); font: 400 0.64rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.3em; text-transform: uppercase; color: var(--bt-gold); }
.bt-fund summary::-webkit-details-marker { display: none; }
.bt-fund pre { margin: 16px 0 12px; padding: 16px; background: #0f0f0f; border: 1px solid var(--vx-line); font: 0.88rem/1.8 'VS Numbers', 'Tenor Sans', sans-serif; white-space: pre-wrap; }
.bt-faq details { border-bottom: 1px solid rgba(243, 237, 225, 0.15); }
.bt-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; padding: 20px 0; font: 400 1.25rem 'VS Numbers', 'Bodoni Moda', serif; }
.bt-faq summary::-webkit-details-marker { display: none; }
.bt-faq summary::after { content: '+'; color: var(--bt-gold); font-family: 'VS Numbers', 'Tenor Sans', sans-serif; }
.bt-faq details[open] summary::after { content: '−'; }
.bt-faq p { margin: -4px 0 18px; font: 400 0.9rem/1.7 'VS Numbers', 'Tenor Sans', sans-serif; color: rgba(243, 237, 225, 0.75); }

/* ---------- Finale ---------- */
.bt-finale { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding-bottom: 130px; }
.bt-finale > *:not(canvas):not(.bt-finale-bg) { position: relative; }
.bt-finale-names { display: grid; margin: 0 0 12px; font: 400 clamp(3.4rem, 17vw, 5rem)/0.9 'VS Numbers', 'Bodoni Moda', serif; letter-spacing: -0.03em; }
.bt-finale-names em { font-size: 0.5em; color: var(--bt-gold); }
.bt-hashtag { margin: 0 0 36px; font: 400 0.7rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.3em; color: var(--bt-gold); }
.bt .vx-qr { border-radius: 0; background: var(--bt-ivory); }
.bt .vx-dock { border-radius: 0; background: rgba(0, 0, 0, 0.85); }
.bt .vx-dock a { border-radius: 0; }
.bt .vx-scratch-hint { color: rgba(40, 28, 10, 0.75); }

/* Names frame the card: Olivia above, James below */
.bt-giant { justify-content: space-between; padding: 96px 10px 70px; }
.bt-palette div:nth-child(2) em { color: #050505; }
.bt .vx-map { filter: grayscale(1) contrast(1.05) brightness(0.9); }


/* ---------- Desktop backdrop ---------- */
.bt-backdrop { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: #000; }
.bt-backdrop img { width: 100%; height: 100%; object-fit: cover; filter: blur(26px) brightness(0.4); transform: scale(1.1); }

/* ---------- Opening: slide the card out ---------- */
.bt-stage { z-index: 30; background: #000; touch-action: none; user-select: none; -webkit-user-select: none; cursor: grab; }
.bt-open { position: absolute; inset: 0; width: 100%; height: 100%; }
.bt-stage-shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0) 62%, rgba(0, 0, 0, 0.82)); }
.bt-stage-top { position: absolute; left: 0; right: 0; top: 8%; display: grid; justify-items: center; gap: 14px; text-align: center; pointer-events: none; }
.bt-stage-line { margin: 0; font: 400 0.66rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.34em; text-transform: uppercase; color: var(--bt-gold); }
.bt-mono { display: flex; align-items: baseline; gap: 8px; font: 400 3rem/1 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-ivory); }
.bt-mono em { font: italic 400 1.8rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold); }
.bt-slide-hint { position: absolute; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 4px; pointer-events: none; }
.bt-slide-hint i { width: 18px; height: 18px; border-left: 2px solid #f1d996; border-top: 2px solid #f1d996; transform: rotate(45deg); filter: drop-shadow(0 0 6px rgba(241, 217, 150, 0.9)); animation: bt-chevron 1.6s ease-in-out infinite; }
.bt-slide-hint i:nth-child(2) { animation-delay: 0.15s; }
.bt-slide-hint i:nth-child(3) { animation-delay: 0.3s; }
@keyframes bt-chevron { 0%, 100% { opacity: 0.15; } 50% { opacity: 1; } }
.bt-stage-bottom { position: absolute; left: 0; right: 0; bottom: 6%; display: grid; justify-items: center; gap: 6px; text-align: center; pointer-events: none; }
.bt-hint { margin: 0; font: 400 0.8rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.3em; text-transform: uppercase; color: #f1d996; text-shadow: 0 0 12px rgba(241, 217, 150, 0.5); }
.bt-stage-bottom small { font: 400 0.68rem 'VS Numbers', 'Tenor Sans', sans-serif; letter-spacing: 0.06em; color: rgba(243, 237, 225, 0.6); }

/* ---------- Hero: the gilded ballroom ---------- */
.bt-hero { padding: 0; justify-content: flex-start; align-items: center; background: #000; }
.bt-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bt-hero-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.25) 46%, rgba(0, 0, 0, 0.1) 62%, rgba(5, 5, 5, 0.95)); }
.bt-hero-card { position: relative; z-index: 2; width: 100%; margin-top: 9svh; padding: 0 20px; text-align: center; }
.bt-crest { position: relative; width: 112px; margin: 0 auto 10px; }
.bt-crest img { width: 100%; filter: drop-shadow(0 0 18px rgba(241, 217, 150, 0.35)); }
.bt-crest span { position: absolute; left: 0; right: 0; top: 46%; transform: translateY(-50%); font: italic 400 1.15rem 'VS Numbers', 'Bodoni Moda', serif; color: #f1d996; }
.bt-hero-card .bt-giant { position: relative; inset: auto; display: grid; grid-template-columns: 100%; justify-content: stretch; justify-items: center; text-align: center; gap: 0; margin: 4px 0 18px; padding: 0; font-size: clamp(3.2rem, 17vw, 4.8rem); line-height: 0.95; text-shadow: 0 4px 30px rgba(0, 0, 0, 0.6); }
.bt-hero-card .bt-giant-1, .bt-hero-card .bt-giant-2 { align-self: auto; }
.bt-hero-card .bt-hero-foot { max-width: 320px; margin: 0 auto; }

/* ---------- Portraits ---------- */
.bt-couple { background: #050505; text-align: center; }
.bt-frame { margin: 0 auto; width: min(86%, 330px); aspect-ratio: 3 / 4; padding: 10px; border: 1px solid var(--bt-gold); box-shadow: 0 0 0 6px #050505, 0 0 0 7px rgba(201, 162, 79, 0.45), 0 40px 60px -30px rgba(0, 0, 0, 0.9); overflow: hidden; }
.bt-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bt-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 30px; }
.bt-trio figure { margin: 0; }
.bt-trio img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; display: block; border: 1px solid rgba(201, 162, 79, 0.5); }
.bt-trio figcaption { margin-top: 8px; font: italic 400 1rem 'VS Numbers', 'Bodoni Moda', serif; color: var(--bt-gold); }

/* ---------- Programme, gallery, venue ---------- */
.bt-program { background: #0b0b0b; text-align: center; }
.bt-candelabra { display: block; width: 92px; margin: 0 auto 14px; filter: drop-shadow(0 0 18px rgba(255, 200, 110, 0.4)); }
.bt-program .vx-program { text-align: left; }
.bt-gallery { background: #050505; text-align: center; }
.bt-hint-small { margin: 14px 0 0; font-size: 0.8rem; opacity: 0.6; }
.bt-venue-photo { margin: 0 -26px 26px; height: 280px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.bt-venue-photo img { width: 100%; height: 100%; object-fit: cover; }
.bt-bowtie { display: block; width: 130px; filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.8)); }

/* ---------- Reply & finale ---------- */
.bt-engraved { position: relative; padding-top: 86px; }
.bt-reply-crest { position: absolute; top: -42px; left: 50%; width: 104px; margin-left: -52px; filter: drop-shadow(0 0 16px rgba(241, 217, 150, 0.3)); }
.bt-rsvp { padding-top: 130px; }
.bt-finale > .bt-finale-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.3; -webkit-mask-image: linear-gradient(transparent, #000 45%); mask-image: linear-gradient(transparent, #000 45%); }
.bt-tower { display: block; width: 130px; margin: 0 auto 26px; filter: drop-shadow(0 0 24px rgba(241, 217, 150, 0.35)); }

@media (prefers-reduced-motion: reduce) { .bt-slide-hint i { animation: none !important; } }

/* ---------- Readable colours: every line passes WCAG AA contrast ---------- */
.bt-hint-small { color: rgba(243, 237, 225, 0.92); }
/* ---------- end readable colours ---------- */

/* ---------- Readable for every guest: labels from 13.5px, text from 15px ---------- */
:root .bt-drop { font-size: 0.938rem; }
:root .bt-faq > details > p { font-size: 0.938rem; }
:root .bt-fund > pre { font-size: 0.938rem; }
:root .bt-fund > summary { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-hashtag { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-hero-foot > span { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-hint { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-info > div > p { font-size: 0.938rem; }
:root .bt-kicker { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-p.bt-hint-small { font-size: 0.938rem; }
:root .bt-palette > div > em { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-sc-small { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-slide-place { font-size: 0.844rem; letter-spacing: 0.14em; }
:root .bt-slide-text { font-size: 0.938rem; }
:root .bt-stage-bottom > small { font-size: 0.938rem; }
:root .bt-stage-line { font-size: 0.844rem; letter-spacing: 0.14em; }
/* ---------- end readable ---------- */