:root {
  --cream: #fbf6ee;
  --paper: #fffdf9;
  --sand: #f3e9da;
  --wine: #6b1f2e;
  --wine-soft: #8c3a4a;
  --gold: #b88a44;
  --ink: #2e2624;
  --muted: #7a6d66;
  --line: #e4d8c7;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.22, .8, .24, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body.is-locked { overflow: hidden; }
em { font-style: italic; color: var(--wine); }
.muted { color: var(--muted); }

/* ---------- BUSTA ---------- */
.intro {
  position: fixed; inset: 0; z-index: 20;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  background: radial-gradient(circle at 50% 40%, #fff 0%, var(--cream) 60%, var(--sand) 100%);
  transition: opacity .9s var(--ease), visibility .9s;
}
.intro.is-gone { opacity: 0; visibility: hidden; }
.intro__hint {
  margin: 0; font: italic 500 1.6rem var(--serif); color: var(--wine);
  animation: fadeUp 1s var(--ease) both;
}
.intro__tap {
  margin: 0; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  animation: fadeUp 1s .4s var(--ease) both;
}

.envelope {
  --w: min(78vw, 340px);
  position: relative; width: var(--w); height: calc(var(--w) * .66);
  border: 0; padding: 0; background: none; cursor: pointer;
  perspective: 900px;
  animation: fadeUp 1s .15s var(--ease) both;
}
.envelope__back, .envelope__front, .envelope__flap {
  position: absolute; inset: 0; border-radius: 6px;
}
.envelope__back { background: #e8d8c0; box-shadow: 0 20px 40px -18px rgba(70, 40, 30, .35); }
.envelope__front {
  background: linear-gradient(160deg, #f1e4d0, #e9d9c1);
  clip-path: polygon(0 0, 50% 55%, 100% 0, 100% 100%, 0 100%);
  z-index: 3;
}
.envelope__flap {
  background: linear-gradient(180deg, #e3cfb3, #dcc6a8);
  clip-path: polygon(0 0, 100% 0, 50% 58%);
  transform-origin: top center;
  transition: transform .8s var(--ease);
  z-index: 4;
}
.envelope__letter {
  position: absolute; left: 7%; right: 7%; top: 8%; height: 84%;
  background: var(--paper); border-radius: 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
  transition: transform 1s .5s var(--ease);
  z-index: 2;
}
.envelope__letter-line { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.envelope__letter-name { font: 600 1.4rem var(--serif); color: var(--wine); }

.seal {
  position: absolute; left: 50%; top: 52%; z-index: 5;
  width: 56px; height: 56px; margin: -28px 0 0 -28px; border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, #9b3a4c, var(--wine) 60%, #4d1520);
  color: #f3d9a8; font: 600 1.15rem var(--serif); letter-spacing: .02em;
  box-shadow: 0 4px 10px rgba(60, 10, 20, .35), inset 0 0 0 3px rgba(255, 255, 255, .08);
  transition: transform .5s var(--ease), opacity .5s;
}
.envelope:hover .seal { transform: scale(1.06); }
.envelope:focus-visible { outline: 2px solid var(--gold); outline-offset: 8px; border-radius: 8px; }

.envelope.is-open .seal { transform: scale(.4); opacity: 0; }
.envelope.is-open .envelope__flap { transform: rotateX(180deg); z-index: 1; }
.envelope.is-open .envelope__letter { transform: translateY(-55%); }

#confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 30; }

/* ---------- INVITO ---------- */
.invite { max-width: 640px; margin: 0 auto; padding: 0 16px; }

.hero { text-align: center; padding: 64px 0 40px; }
.eyebrow {
  margin: 0 0 10px; font-size: .75rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold);
}
.hero__title { margin: 0; font: 500 clamp(2.8rem, 11vw, 4.2rem)/1 var(--serif); }
.hero__name { margin: 18px 0 4px; font: 600 clamp(1.6rem, 6vw, 2.2rem) var(--serif); color: var(--wine); }
.hero__degree { margin: 0; }

.hero__art { margin: 32px auto 0; border-radius: 14px; overflow: hidden; box-shadow: 0 18px 40px -24px rgba(60, 30, 20, .4); }
.etna { display: block; width: 100%; height: auto; }

.date-card {
  display: inline-flex; flex-direction: column; align-items: center;
  margin-top: -36px; position: relative;
  padding: 16px 28px 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 10px 30px -18px rgba(60, 30, 20, .4);
}
.date-card__day { font-size: .75rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.date-card__num { font: 600 3.2rem/1 var(--serif); color: var(--wine); }
.date-card__month { font: 500 1.2rem var(--serif); }
.date-card__count { margin-top: 6px; font-size: .8rem; color: var(--gold); font-weight: 500; }

.section { padding: 56px 0; text-align: center; }
.section--tinted {
  background: var(--sand); margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-radius: 0;
}
@media (min-width: 672px) { .section--tinted { border-radius: 20px; margin: 0; padding-left: 32px; padding-right: 32px; } }
.section__title { margin: 0 0 20px; font: 500 clamp(2rem, 7vw, 2.6rem)/1.1 var(--serif); }
.lead { max-width: 52ch; margin: 0 auto 28px; color: #4b403c; }

/* timeline */
.timeline { list-style: none; margin: 0 auto; padding: 0; max-width: 440px; text-align: left; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 21px; top: 8px; bottom: 8px; width: 1px; background: var(--line);
}
.timeline li { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 12px 0; }
.timeline__icon {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--paper); border: 1px solid var(--line); font-size: 1.15rem; position: relative;
}
.timeline__time { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.timeline__title { font: 600 1.35rem/1.2 var(--serif); margin: 2px 0; }
.timeline__text { margin: 0; color: var(--muted); font-size: .93rem; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery .photo:first-child { grid-column: span 2; }
}
.photo { margin: 0; position: relative; border-radius: 12px; overflow: hidden; background: var(--paper); aspect-ratio: 4 / 3; }
.photo svg, .photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.photo img { position: absolute; inset: 0; transition: transform 1.2s var(--ease); }
.photo:hover img { transform: scale(1.04); }
.photo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 10px 8px;
  font: italic 500 1rem var(--serif); color: #fff; text-align: left;
  background: linear-gradient(transparent, rgba(30, 15, 15, .55));
}

.map { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); }
.map iframe { display: block; width: 100%; height: 260px; border: 0; }
.address { margin: 14px 0 18px; font-weight: 500; }

/* buttons */
.actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 46px; padding: 0 22px; border-radius: 999px;
  font: 500 .95rem var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid var(--wine); background: var(--wine); color: #fff;
  transition: transform .25s var(--ease), background .25s, color .25s;
}
.btn:hover { transform: translateY(-2px); background: var(--wine-soft); }
.btn--ghost { background: transparent; color: var(--wine); }
.btn--ghost:hover { background: var(--wine); color: #fff; }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* rsvp */
.rsvp {
  max-width: 420px; margin: 0 auto 18px; padding: 24px; text-align: left;
  background: var(--paper); border: 1px solid var(--line); border-radius: 16px;
  display: grid; gap: 14px;
}
.rsvp label { display: grid; gap: 6px; font-size: .85rem; font-weight: 500; color: var(--muted); }
.rsvp input, .rsvp select {
  font: 400 1rem var(--sans); color: var(--ink);
  padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--cream);
}
.rsvp input:focus, .rsvp select:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: transparent; }
.rsvp__choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }

.footer { text-align: center; padding: 40px 0 72px; }
.footer__sign { margin: 0; font: italic 500 1.3rem var(--serif); color: var(--muted); }
.footer__name { margin: 4px 0 0; font: 600 1.8rem var(--serif); color: var(--wine); }

/* ---------- ANIMAZIONI (una volta sola) ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero__art.is-in .mount { animation: rise 1.4s var(--ease) both; transform-origin: bottom; }
.hero__art.is-in .sun { animation: sunUp 1.6s .3s var(--ease) both; }
.hero__art.is-in .smoke circle { animation: puff 2.4s var(--ease) both; }
.hero__art.is-in .smoke circle:nth-child(2) { animation-delay: .25s; }
.hero__art.is-in .smoke circle:nth-child(3) { animation-delay: .5s; }
.vines path { stroke-dasharray: 420; stroke-dashoffset: 420; }
.hero__art.is-in .vines path { animation: draw 1.8s .6s var(--ease) forwards; }
.hero__art.is-in .vines path:nth-child(2) { animation-delay: .8s; }
.hero__art.is-in .vines path:nth-child(3) { animation-delay: 1s; }
.grapes circle { opacity: 0; }
.hero__art.is-in .grapes circle { animation: pop .5s 1.8s var(--ease) forwards; }

@keyframes rise { from { transform: scaleY(.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes sunUp { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: .85; } }
@keyframes puff { from { transform: translate(-6px, 10px) scale(.4); opacity: 0; } 60% { opacity: .9; } to { transform: none; opacity: .75; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: none; } }
.grapes circle, .smoke circle { transform-box: fill-box; transform-origin: center; }

.timeline li.reveal .timeline__icon { transition: transform .6s .2s var(--ease); transform: scale(.6); }
.timeline li.reveal.is-in .timeline__icon { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .vines path { stroke-dashoffset: 0; }
  .grapes circle { opacity: 1; }
}