/* ==========================================================================
   Invitation base stylesheet
   Shared layout, components, intro animation and accessibility primitives.
   Templates (assets/templates/<code>/template.css) restyle via CSS variables
   and their own selectors; they never need to re-implement behaviour.
   ========================================================================== */

:root {
  --c-primary: #8a6d3b;
  --c-secondary: #2f2a24;
  --c-accent: var(--c-primary);
  --c-bg: #faf7f2;
  --c-surface: #ffffff;
  --c-text: #2b2620;
  --c-muted: #6f675c;
  --c-on-primary: #ffffff;
  --c-line: color-mix(in srgb, var(--c-text) 14%, transparent);
  --c-error: #b3261e;
  --c-success: #2e7d4f;

  --f-display: Georgia, 'Times New Roman', serif;
  --f-body: Georgia, 'Times New Roman', serif;
  --f-script: var(--f-display);

  --content-width: 42rem;
  --wide-width: 64rem;
  --section-pad: clamp(3.5rem, 9vw, 6.5rem);
  --radius: 14px;
  --radius-sm: 8px;
  --btn-radius: 999px;
  --shadow: 0 18px 50px -24px color-mix(in srgb, var(--c-secondary) 45%, transparent);
  --names-size: clamp(2.9rem, 12vw, 6.2rem);
  --title-size: clamp(1.9rem, 6vw, 2.8rem);
  --eyebrow-spacing: .32em;

  --intro-bg: var(--c-bg);
  --door-bg: var(--c-surface);
  --door-edge: color-mix(in srgb, var(--c-primary) 55%, transparent);
  --seal-bg: var(--c-primary);
  --seal-fg: var(--c-on-primary);
  --intro-duration: 1.35s;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
}

/* ---- Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; min-height: 100dvh; background: var(--c-bg); color: var(--c-text); font-family: var(--f-body); font-size: clamp(1.02rem, 2.6vw, 1.12rem); line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, figure, blockquote, ul, ol { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
address { font-style: normal; }
body.is-locked { overflow: hidden; height: 100vh; height: 100dvh; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 1000; background: var(--c-secondary); color: var(--c-bg); padding: .6rem 1rem; border-radius: var(--radius-sm); transition: top .2s; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--c-primary) 70%, transparent); outline-offset: 3px; border-radius: 4px; }
.inv-main:focus { outline: none; }

.inv-preview-bar { position: sticky; top: 0; z-index: 900; background: #1f2937; color: #fff; font: 600 .8rem/1.2 system-ui, sans-serif; text-align: center; padding: .5rem 1rem; letter-spacing: .02em; }

/* ---- Intro (shared markup, variants: doors | envelope | curtain | gate) ---- */
.inv-intro { position: fixed; inset: 0; z-index: 800; display: grid; place-items: center; background: var(--intro-bg); perspective: 1800px; overflow: hidden; }
.inv-intro__stage { position: absolute; inset: 0; display: flex; }
.inv-intro__door { position: relative; flex: 1 1 50%; height: 100%; background: var(--door-bg); transform-style: preserve-3d; backface-visibility: hidden; transition: transform var(--intro-duration) var(--ease-in-out); will-change: auto; }
.inv-intro__door--left { transform-origin: left center; box-shadow: inset -1px 0 0 var(--door-edge); }
.inv-intro__door--right { transform-origin: right center; box-shadow: inset 1px 0 0 var(--door-edge); }
.inv-intro__door-face { position: absolute; inset: 0; overflow: hidden; }
.inv-intro__door-face .orn { position: absolute; inset: 0; display: block; }
.inv-intro__door-face .orn svg { width: 100%; height: 100%; }
.inv-intro__flap { display: none; }
.inv-intro__content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: .9rem; padding: 2rem 1.5rem; text-align: center; max-width: 34rem; transition: opacity .5s ease, transform .6s var(--ease-out); }
.inv-intro__seal { width: 5.4rem; height: 5.4rem; border-radius: 50%; display: grid; place-items: center; background: var(--seal-bg); color: var(--seal-fg); font-family: var(--f-display); font-size: 1.45rem; letter-spacing: .02em; box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--c-secondary) 60%, transparent), inset 0 0 0 4px color-mix(in srgb, #fff 18%, transparent); }
.inv-intro__eyebrow { font-size: .78rem; letter-spacing: var(--eyebrow-spacing); text-transform: uppercase; color: var(--c-muted); }
.inv-intro__title { font-family: var(--f-display); font-weight: 400; font-size: clamp(2.3rem, 9vw, 4rem); line-height: 1.08; color: var(--c-secondary); }
.inv-intro__guest { font-size: 1.05rem; color: var(--c-text); }
.inv-intro__date { font-size: .95rem; color: var(--c-muted); letter-spacing: .06em; }
.inv-intro__open { margin-top: .8rem; appearance: none; border: 0; border-radius: var(--btn-radius); background: var(--c-primary); color: var(--c-on-primary); padding: 1rem 2.2rem; font-size: .95rem; letter-spacing: .14em; text-transform: uppercase; box-shadow: var(--shadow); transition: transform .25s var(--ease-out), box-shadow .25s; animation: inv-pulse 2.6s ease-in-out 1.2s 3; }
.inv-intro__open:hover { transform: translateY(-2px); }
.inv-intro__open:active { transform: translateY(0) scale(.98); }
@keyframes inv-pulse { 0%, 100% { box-shadow: var(--shadow), 0 0 0 0 color-mix(in srgb, var(--c-primary) 45%, transparent); } 50% { box-shadow: var(--shadow), 0 0 0 14px transparent; } }

/* Opening sequence: JS adds .is-opening to <body>, then .is-open when finished. */
body.is-opening .inv-intro__door { will-change: transform; }
body.is-opening .inv-intro__door--left { transform: rotateY(-105deg); }
body.is-opening .inv-intro__door--right { transform: rotateY(105deg); }
body.is-opening .inv-intro__content { opacity: 0; transform: scale(.94); pointer-events: none; }
body.is-opening .inv-intro { background: transparent; transition: background .3s ease .5s; }
body.is-open .inv-intro { display: none; }

/* Variant: envelope (flap lifts, halves slide apart) */
.inv-intro[data-intro="envelope"] .inv-intro__flap { display: block; position: absolute; left: 0; right: 0; top: 0; height: 52%; background: var(--flap-bg, color-mix(in srgb, var(--c-surface) 88%, var(--c-primary))); clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top center; transition: transform .7s var(--ease-in-out); z-index: 1; }
.inv-intro[data-intro="envelope"] .inv-intro__door { transition: transform var(--intro-duration) var(--ease-in-out) .45s; }
body.is-opening .inv-intro[data-intro="envelope"] .inv-intro__flap { transform: rotateX(180deg) translateY(10%); }
body.is-opening .inv-intro[data-intro="envelope"] .inv-intro__door--left { transform: translate3d(-102%, 0, 0); }
body.is-opening .inv-intro[data-intro="envelope"] .inv-intro__door--right { transform: translate3d(102%, 0, 0); }

/* Variant: curtain (slides with soft easing) */
.inv-intro[data-intro="curtain"] .inv-intro__door { transition-duration: calc(var(--intro-duration) * 1.15); }
body.is-opening .inv-intro[data-intro="curtain"] .inv-intro__door--left { transform: translate3d(-100%, 0, 0) scaleX(.6); }
body.is-opening .inv-intro[data-intro="curtain"] .inv-intro__door--right { transform: translate3d(100%, 0, 0) scaleX(.6); }
.inv-intro[data-intro="curtain"] .inv-intro__door--left { transform-origin: left center; }
.inv-intro[data-intro="curtain"] .inv-intro__door--right { transform-origin: right center; }

/* Variant: gate (straight slide, like sliding palace doors) */
body.is-opening .inv-intro[data-intro="gate"] .inv-intro__door--left { transform: translate3d(-100%, 0, 0); }
body.is-opening .inv-intro[data-intro="gate"] .inv-intro__door--right { transform: translate3d(100%, 0, 0); }

/* ---- Layout -------------------------------------------------------------- */
.inv-main { position: relative; }
.inv-section { padding: var(--section-pad) 1.25rem; }
.inv-section > * { max-width: var(--content-width); margin-inline: auto; }
.inv-section__head { text-align: center; margin-bottom: clamp(1.8rem, 5vw, 2.8rem); display: grid; gap: .55rem; justify-items: center; }
.inv-eyebrow { font-size: .76rem; letter-spacing: var(--eyebrow-spacing); text-transform: uppercase; color: var(--c-primary); }
.inv-section__title { font-family: var(--f-display); font-weight: 400; font-size: var(--title-size); line-height: 1.15; color: var(--c-secondary); }
.inv-section__lead { color: var(--c-muted); max-width: 32rem; }
.inv-center { text-align: center; margin-top: 1.5rem; }
.inv-card { background: var(--c-surface); border-radius: var(--radius); padding: clamp(1.4rem, 5vw, 2.2rem); box-shadow: var(--shadow); border: 1px solid var(--c-line); }
.inv-note { color: var(--c-muted); font-size: .95rem; }
.inv-note--center { text-align: center; }
.inv-hint { color: var(--c-muted); font-size: .85rem; margin-top: .35rem; }
.inv-divider { display: block; margin: 0 auto 1.5rem; color: var(--c-primary); width: min(220px, 60%); }
.orn svg { width: 100%; height: auto; }

/* ---- Hero ---------------------------------------------------------------- */
.inv-hero { position: relative; min-height: min(100vh, 60rem); min-height: min(100svh, 60rem); display: grid; place-items: center; text-align: center; padding: 5rem 1.25rem 6rem; overflow: hidden; isolation: isolate; }
.inv-hero__media { position: absolute; inset: 0; z-index: -2; }
.inv-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.inv-hero.has-cover::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, color-mix(in srgb, var(--c-secondary) 35%, transparent), color-mix(in srgb, var(--c-secondary) 70%, transparent)); }
.inv-hero.has-cover { color: #fff; }
.inv-hero.has-cover .inv-hero__names, .inv-hero.has-cover .inv-hero__eyebrow, .inv-hero.has-cover .inv-hero__date { color: #fff; }
.inv-hero__inner { display: grid; gap: 1.1rem; justify-items: center; max-width: var(--wide-width); }
.inv-hero__ornament { width: min(280px, 70vw); color: var(--c-primary); }
.inv-hero__eyebrow { font-size: .8rem; letter-spacing: var(--eyebrow-spacing); text-transform: uppercase; color: var(--c-primary); }
.inv-hero__names { font-family: var(--f-display); font-weight: 400; font-size: var(--names-size); line-height: 1.02; color: var(--c-secondary); display: flex; flex-direction: column; align-items: center; gap: .15em; }
.inv-hero__amp { font-family: var(--f-script); font-size: .55em; color: var(--c-primary); line-height: 1; }
.inv-hero__date { font-size: clamp(1rem, 3.2vw, 1.2rem); letter-spacing: .08em; color: var(--c-text); display: flex; flex-wrap: wrap; justify-content: center; gap: .2rem .6rem; }
.inv-hero__hashtag { color: var(--c-primary); letter-spacing: .08em; }
.inv-hero__scroll { position: absolute; bottom: 1.6rem; left: 50%; width: 28px; height: 44px; margin-left: -14px; border: 1.5px solid currentColor; border-radius: 16px; opacity: .55; color: var(--c-secondary); }
.inv-hero.has-cover .inv-hero__scroll { color: #fff; }
.inv-hero__scroll span { position: absolute; left: 50%; top: 9px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: currentColor; animation: inv-scroll 1.8s ease-in-out infinite; }
@keyframes inv-scroll { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---- Welcome ------------------------------------------------------------- */
.inv-welcome { text-align: center; }
.inv-welcome__guest { font-size: 1.15rem; margin-bottom: 1.4rem; }
.inv-welcome__message { font-size: clamp(1.08rem, 3vw, 1.22rem); line-height: 1.85; display: grid; gap: 1rem; }

/* ---- People -------------------------------------------------------------- */
.inv-people__photo { margin: 0 auto 2.2rem; max-width: 26rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.inv-people__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.inv-people__list { display: grid; gap: 1.6rem; text-align: center; justify-items: center; }
@media (min-width: 640px) { .inv-people__list { grid-auto-flow: column; grid-auto-columns: 1fr; align-items: center; } }
.inv-people__amp { font-family: var(--f-script); font-size: 2.6rem; color: var(--c-primary); }
.inv-person { display: grid; gap: .3rem; justify-items: center; }
.inv-person__photo { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin-bottom: .6rem; border: 3px solid var(--c-surface); box-shadow: var(--shadow); }
.inv-person__role { font-size: .75rem; letter-spacing: .24em; text-transform: uppercase; color: var(--c-primary); }
.inv-person__name { font-family: var(--f-display); font-weight: 400; font-size: clamp(1.6rem, 5vw, 2.1rem); color: var(--c-secondary); }
.inv-person__family { color: var(--c-muted); font-size: .95rem; }

/* ---- Countdown ----------------------------------------------------------- */
.inv-countdown__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(.5rem, 2vw, 1rem); max-width: 34rem; }
.inv-countdown__unit { display: grid; justify-items: center; gap: .2rem; padding: clamp(.9rem, 3vw, 1.3rem) .3rem; background: var(--c-surface); border-radius: var(--radius); border: 1px solid var(--c-line); }
.inv-countdown__value { font-family: var(--f-display); font-size: clamp(1.8rem, 7vw, 2.8rem); line-height: 1; color: var(--c-secondary); font-variant-numeric: tabular-nums; }
.inv-countdown__label { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-muted); }

/* ---- Sessions ------------------------------------------------------------ */
.inv-sessions__list { display: grid; gap: clamp(1rem, 3vw, 1.5rem); }
.inv-session { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 4vw, 1.8rem); align-items: start; background: var(--c-surface); border-radius: var(--radius); padding: clamp(1.2rem, 4vw, 1.8rem); border: 1px solid var(--c-line); box-shadow: var(--shadow); }
.inv-session.is-past { opacity: .6; }
.inv-session__date { display: grid; justify-items: center; min-width: 4.4rem; padding: .6rem .4rem; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--c-primary) 10%, transparent); color: var(--c-secondary); line-height: 1.1; }
.inv-session__day { font-family: var(--f-display); font-size: 2.1rem; }
.inv-session__month { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.inv-session__year { font-size: .75rem; color: var(--c-muted); }
.inv-session__body { display: grid; gap: .45rem; min-width: 0; }
.inv-session__title { font-family: var(--f-display); font-weight: 400; font-size: clamp(1.45rem, 4.5vw, 1.8rem); color: var(--c-secondary); line-height: 1.2; }
.inv-session__when { display: flex; flex-wrap: wrap; gap: .1rem .8rem; color: var(--c-muted); font-size: .95rem; }
.inv-session__time { color: var(--c-primary); font-weight: 600; }
.inv-session__place { display: grid; gap: .1rem; font-size: .98rem; }
.inv-session__venue { font-weight: 600; }
.inv-session__address { color: var(--c-muted); font-size: .92rem; }
.inv-session__desc { font-size: .95rem; color: var(--c-muted); }
.inv-session__actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
@media (max-width: 420px) { .inv-session { grid-template-columns: 1fr; } .inv-session__date { grid-auto-flow: column; justify-content: start; gap: .5rem; align-items: baseline; min-width: 0; width: max-content; padding: .35rem .8rem; } .inv-session__day { font-size: 1.4rem; } }
.inv-calendar { position: relative; }
.inv-calendar summary { list-style: none; }
.inv-calendar summary::-webkit-details-marker { display: none; }
.inv-calendar__menu { position: absolute; z-index: 20; left: 0; top: calc(100% + .4rem); min-width: 13rem; display: grid; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-sm); box-shadow: var(--shadow); overflow: hidden; }
.inv-calendar__menu a { padding: .75rem 1rem; text-decoration: none; font-size: .92rem; }
.inv-calendar__menu a:hover, .inv-calendar__menu a:focus-visible { background: color-mix(in srgb, var(--c-primary) 10%, transparent); }
.inv-dress-code { text-align: center; display: grid; gap: .3rem; justify-items: center; }
.inv-dress-code__label { font-size: .75rem; letter-spacing: var(--eyebrow-spacing); text-transform: uppercase; color: var(--c-primary); }
.inv-dress-code__value { font-family: var(--f-display); font-size: 1.5rem; color: var(--c-secondary); }

/* ---- Buttons & forms ----------------------------------------------------- */
.inv-btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 44px; padding: .65rem 1.2rem; border-radius: var(--btn-radius); border: 1px solid transparent; font-size: .9rem; letter-spacing: .04em; text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease-out); -webkit-tap-highlight-color: transparent; }
.inv-btn:active { transform: scale(.97); }
.inv-btn--primary { background: var(--c-primary); color: var(--c-on-primary); }
.inv-btn--primary:hover { background: color-mix(in srgb, var(--c-primary) 86%, #000); }
.inv-btn--ghost { background: transparent; color: var(--c-secondary); border-color: color-mix(in srgb, var(--c-primary) 45%, transparent); }
.inv-btn--ghost:hover { background: color-mix(in srgb, var(--c-primary) 10%, transparent); }
.inv-btn--block { width: 100%; }
.inv-btn[disabled], .inv-btn.is-loading { opacity: .6; cursor: progress; }
.inv-icon { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.inv-icon--lg { width: 2.2rem; height: 2.2rem; }
.inv-link-btn { background: none; border: 0; padding: 0; color: var(--c-primary); text-decoration: underline; }

.inv-form { display: grid; gap: 1.2rem; }
.inv-field { display: grid; gap: .4rem; }
.inv-label { font-size: .85rem; letter-spacing: .04em; color: var(--c-muted); }
.inv-input { width: 100%; min-height: 48px; padding: .75rem .95rem; border-radius: var(--radius-sm); border: 1px solid color-mix(in srgb, var(--c-text) 22%, transparent); background: color-mix(in srgb, var(--c-surface) 92%, var(--c-bg)); transition: border-color .2s, box-shadow .2s; font-size: 1rem; }
.inv-input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-primary) 18%, transparent); }
textarea.inv-input { resize: vertical; min-height: 96px; }
select.inv-input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--c-muted) 50%), linear-gradient(135deg, var(--c-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.5rem; }
.inv-input[aria-invalid="true"] { border-color: var(--c-error); }
.inv-field__error { color: var(--c-error); font-size: .85rem; }
.inv-form__error { color: var(--c-error); font-size: .92rem; text-align: center; }
.inv-grid-2 { display: grid; gap: 1rem; }
@media (min-width: 520px) { .inv-grid-2 { grid-template-columns: 1fr 1fr; } }
.inv-hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.inv-choice { border: 0; padding: 0; margin: 0; display: grid; gap: .6rem; }
.inv-choice__options { display: grid; gap: .6rem; }
@media (min-width: 560px) { .inv-choice__options { grid-template-columns: repeat(3, 1fr); } }
.inv-choice__option { position: relative; }
.inv-choice__option input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.inv-choice__option span { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 52px; padding: .7rem 1rem; border-radius: var(--radius-sm); border: 1px solid color-mix(in srgb, var(--c-text) 20%, transparent); transition: all .2s; font-size: .95rem; }
.inv-choice__option input:checked + span { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-on-primary); box-shadow: 0 8px 20px -10px var(--c-primary); }
.inv-choice__option input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--c-primary) 60%, transparent); outline-offset: 2px; }

.inv-rsvp__summary { text-align: center; display: grid; gap: .8rem; justify-items: center; margin-bottom: 1rem; }
.inv-rsvp__status { font-size: 1.1rem; }
.inv-rsvp__done { text-align: center; display: grid; gap: .8rem; }
.inv-rsvp__thanks { font-family: var(--f-display); font-size: 1.5rem; color: var(--c-secondary); }

/* ---- Upload -------------------------------------------------------------- */
.inv-uploader { display: grid; gap: 1rem; }
.inv-dropzone { display: grid; justify-items: center; gap: .5rem; text-align: center; padding: 2rem 1rem; border: 2px dashed color-mix(in srgb, var(--c-primary) 45%, transparent); border-radius: var(--radius); cursor: pointer; color: var(--c-secondary); transition: background-color .2s, border-color .2s; }
.inv-dropzone:hover, .inv-dropzone.is-dragover { background: color-mix(in srgb, var(--c-primary) 8%, transparent); border-color: var(--c-primary); }
.inv-dropzone:focus-within { outline: 3px solid color-mix(in srgb, var(--c-primary) 60%, transparent); outline-offset: 3px; }
.inv-dropzone__title { font-weight: 600; }
.inv-dropzone__hint { font-size: .82rem; color: var(--c-muted); }
.inv-upload__queue { display: grid; gap: .5rem; }
.inv-upload__item { display: grid; grid-template-columns: 44px 1fr auto; gap: .75rem; align-items: center; padding: .5rem; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--c-bg) 60%, var(--c-surface)); font-size: .88rem; }
.inv-upload__thumb { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; background: var(--c-line); }
.inv-upload__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inv-upload__bar { height: 4px; border-radius: 2px; background: var(--c-line); overflow: hidden; margin-top: .3rem; }
.inv-upload__bar i { display: block; height: 100%; width: 0; background: var(--c-primary); transition: width .2s linear; }
.inv-upload__status { font-size: .78rem; color: var(--c-muted); }
.inv-upload__item.is-done .inv-upload__status { color: var(--c-success); }
.inv-upload__item.is-error .inv-upload__status { color: var(--c-error); }
.inv-upload__retry { font-size: .8rem; padding: .3rem .7rem; min-height: 32px; }

/* ---- Gallery & lightbox -------------------------------------------------- */
.inv-gallery > .inv-gallery__grid { max-width: var(--wide-width); }
.inv-gallery__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(46%, 170px), 1fr)); gap: .5rem; }
.inv-gallery__item { display: block; border-radius: var(--radius-sm); overflow: hidden; background: var(--c-line); aspect-ratio: 1; }
.inv-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-out); }
.inv-gallery__item:hover img { transform: scale(1.04); }
.inv-lightbox { position: fixed; inset: 0; z-index: 950; background: rgba(10, 10, 12, .92); display: grid; place-items: center; padding: 1rem; }
.inv-lightbox img { max-width: 100%; max-height: 88vh; border-radius: 6px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.inv-lightbox button { position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; font-size: 1.5rem; line-height: 1; }
.inv-lightbox__close { top: 1rem; right: 1rem; }
.inv-lightbox__prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.inv-lightbox__next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* ---- Guestbook ----------------------------------------------------------- */
.inv-guestbook__list { display: grid; gap: 1rem; margin-top: 2rem; }
.inv-guestbook__entry { background: var(--c-surface); border-radius: var(--radius); padding: 1.3rem 1.5rem; border: 1px solid var(--c-line); }
.inv-guestbook__entry blockquote { margin: 0; font-style: italic; font-size: 1.02rem; }
.inv-guestbook__author { margin-top: .6rem; color: var(--c-primary); font-size: .9rem; }

/* ---- Contact / gift / share --------------------------------------------- */
.inv-contact__list, .inv-gift__list { display: grid; gap: 1rem; }
@media (min-width: 640px) { .inv-contact__list, .inv-gift__list { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); } }
.inv-contact__item, .inv-gift__item { text-align: center; display: grid; gap: .4rem; justify-items: center; }
.inv-contact__name, .inv-gift__holder { font-family: var(--f-display); font-size: 1.3rem; color: var(--c-secondary); }
.inv-contact__role, .inv-gift__bank { color: var(--c-muted); font-size: .9rem; }
.inv-contact__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-top: .4rem; }
.inv-gift__iban code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .95rem; letter-spacing: .04em; overflow-wrap: anywhere; }
.inv-share { padding-block: 2rem; }
.inv-share__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }

/* ---- Footer, music, toast ------------------------------------------------ */
.inv-footer { text-align: center; padding: 4rem 1.25rem 3rem; display: grid; gap: .8rem; justify-items: center; }
.inv-footer__ornament { width: min(200px, 50vw); color: var(--c-primary); }
.inv-footer__names { font-family: var(--f-display); font-size: 1.8rem; color: var(--c-secondary); }
.inv-footer__text { color: var(--c-muted); max-width: 32rem; }
.inv-footer__hashtag { color: var(--c-primary); }
.inv-footer__brand { margin-top: 1.5rem; font-size: .75rem; color: var(--c-muted); letter-spacing: .06em; }
.inv-footer__brand a { text-decoration: none; font-weight: 600; }
.inv-music { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 700; width: 48px; height: 48px; border-radius: 50%; border: 0; display: grid; place-items: center; background: var(--c-primary); color: var(--c-on-primary); box-shadow: var(--shadow); }
.inv-music .inv-music__off { display: none; }
.inv-music[aria-pressed="false"] .inv-music__on { display: none; }
.inv-music[aria-pressed="false"] .inv-music__off { display: block; }
.inv-music[aria-pressed="true"] { animation: inv-spin 6s linear infinite; }
@keyframes inv-spin { to { transform: rotate(360deg); } }
.inv-toast { position: fixed; left: 50%; bottom: calc(1.2rem + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 960; background: var(--c-secondary); color: var(--c-bg); padding: .75rem 1.2rem; border-radius: 16px; text-align: center; font-size: .9rem; box-shadow: var(--shadow); max-width: calc(100vw - 2rem); }

/* ---- Scroll reveal (progressive: only when JS marks the document) -------- */
.js-reveal .reveal { opacity: 0; transform: translate3d(0, 24px, 0); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.js-reveal .reveal.is-visible { opacity: 1; transform: none; }

/* ---- Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  .js-reveal .reveal { opacity: 1; transform: none; }
}

@media print {
  .inv-intro, .inv-music, .inv-rsvp, .inv-upload, .inv-guestbook form, .inv-share, .inv-hero__scroll { display: none !important; }
  body.is-locked { overflow: visible; height: auto; }
}
.is-static .reveal, .is-static.js-reveal .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
html.js-reveal body.is-static .reveal { opacity: 1; transform: none; }

/* ---- OG image mode (rendered by headless Chrome at 1200×630) ------------ */
.is-og { overflow: hidden; width: 1200px; height: 630px; }
.is-og .og-stage { position: fixed; left: 0; top: 0; width: calc(1200px / var(--og-z, 1)); height: calc(630px / var(--og-z, 1)); transform: scale(var(--og-z, 1)); transform-origin: 0 0; overflow: hidden; }
.is-og .inv-hero { min-height: 100% !important; }
.is-og .skip-link, .is-og .inv-toast { display: none !important; }
.is-og *, .is-og *::before, .is-og *::after { animation: none !important; transition: none !important; }
.inv-footer__report { font-size: .72rem; opacity: .6; } .inv-footer__report a { text-decoration: none; }