:root{
  --bg:#0c0c0d;
  --ink:#f3efe7;
  --ink-dim:#b9b3a6;
  --gold:#c9a96e;
  --line:rgba(243,239,231,.18);
  --serif:'Cormorant Garamond','Noto Serif TC',serif;
  --sans:'Noto Serif TC',serif;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  height:100svh;
  min-height:560px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
}

.hero-photo{
  position:absolute;
  inset:0;
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(201,169,110,.14), transparent 60%),
    linear-gradient(160deg,#141416 0%, #0c0c0d 55%, #08080a 100%);
  background-size:cover;
  background-position:center;
}
/* 換上真實照片時，把上面 background 改成：
   background-image:url('assets/hero.jpg');
   background-size:cover; background-position:center;
*/

.hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(0deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.15) 45%, rgba(0,0,0,.35) 100%);
}

.hero-content{
  position:relative;
  z-index:2;
  width:100%;
  padding:0 24px 72px;
  text-align:center;
}

.eyebrow{
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:.35em;
  color:var(--gold);
  margin-bottom:18px;
}

.names{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(40px, 12vw, 84px);
  line-height:1.05;
  letter-spacing:.02em;
}
.names .amp{
  display:block;
  font-style:italic;
  font-size:.42em;
  color:var(--gold);
  margin:6px 0;
}

.date{
  margin-top:20px;
  font-family:var(--serif);
  font-size:18px;
  letter-spacing:.4em;
  color:var(--ink-dim);
}

.scroll-cue{
  display:block;
  width:1px;
  height:52px;
  margin:56px auto 0;
  position:relative;
}
.scroll-cue span{
  position:absolute;
  top:0; left:0;
  width:1px; height:100%;
  background:var(--line);
}
.scroll-cue span::after{
  content:'';
  position:absolute;
  top:0; left:-2px;
  width:5px; height:5px;
  border-radius:50%;
  background:var(--gold);
  animation:cue 2.2s ease-in-out infinite;
}
@keyframes cue{
  0%{top:0; opacity:0;}
  15%{opacity:1;}
  85%{opacity:1;}
  100%{top:100%; opacity:0;}
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .9s ease, transform .9s ease;
  transition-delay:var(--d, 0s);
}
.reveal.in{
  opacity:1;
  transform:translateY(0);
}

/* ---------- Sections ---------- */
.section{
  max-width:560px;
  margin:0 auto;
  padding:120px 28px;
  text-align:center;
}

.section-label{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.3em;
  color:var(--ink);
  margin-bottom:52px;
}
.section-label .en{
  display:block;
  margin-top:8px;
  font-family:var(--serif);
  font-style:italic;
  font-size:13px;
  letter-spacing:.15em;
  color:var(--gold);
}

.details-block{margin-bottom:56px;}
.details-date{
  font-family:var(--serif);
  font-size:26px;
  letter-spacing:.04em;
  margin-bottom:10px;
}
.details-sub{
  font-size:15px;
  color:var(--ink-dim);
  letter-spacing:.08em;
  margin-bottom:18px;
}
.map-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--gold);
  text-decoration:none;
  font-size:13px;
  letter-spacing:.05em;
  border-bottom:1px solid rgba(201,169,110,.4);
  padding-bottom:3px;
}
.arrow{font-size:12px;}

.timeline{
  display:flex;
  flex-direction:column;
  gap:16px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:28px 0;
  margin-bottom:32px;
}
.timeline-item{
  display:flex;
  justify-content:center;
  align-items:baseline;
  gap:16px;
}
.t-time{
  font-family:var(--serif);
  font-size:20px;
  color:var(--gold);
  min-width:56px;
  text-align:right;
}
.t-label{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--ink-dim);
}

.details-note{
  font-size:13px;
  line-height:1.9;
  color:var(--ink-dim);
  letter-spacing:.03em;
}

.transport-block{margin-bottom:40px;}
.transport-block:last-child{margin-bottom:0;}
.transport-title{
  font-family:var(--serif);
  font-style:italic;
  font-size:18px;
  color:var(--gold);
  margin-bottom:10px;
}
.transport-body{
  font-size:14px;
  line-height:1.9;
  color:var(--ink-dim);
  letter-spacing:.03em;
  margin-bottom:14px;
}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:10px;
}
.gallery-item{
  aspect-ratio:4/5;
  background:#141414;
  border:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.gallery-item.is-empty::after{
  content:'PHOTO';
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:10px;
  letter-spacing:.3em;
  color:rgba(185,179,166,.35);
}
.gallery-item img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
}

.rsvp-copy, .contact-copy{
  font-size:15px;
  line-height:2;
  color:var(--ink-dim);
  margin-bottom:44px;
}

.rsvp-button, .line-button{
  display:inline-block;
  padding:16px 44px;
  border:1px solid var(--gold);
  color:var(--gold);
  text-decoration:none;
  font-size:13px;
  letter-spacing:.25em;
  transition:background .3s ease, color .3s ease;
}
.rsvp-button:hover, .line-button:hover{
  background:var(--gold);
  color:#141414;
}

.line-button{margin-bottom:20px;}
.contact-note{
  font-size:12px;
  color:var(--ink-dim);
  opacity:.75;
}

.footer{
  text-align:center;
  padding:56px 24px 64px;
  border-top:1px solid var(--line);
}
.footer p{
  font-family:var(--serif);
  letter-spacing:.15em;
  font-size:13px;
  color:var(--ink-dim);
}
.footer-venue{
  margin-top:6px;
  font-size:11px;
  letter-spacing:.2em;
  color:rgba(185,179,166,.5);
}

@media (min-width:640px){
  .section{padding:160px 28px;}
}

/* ---------- RSVP page ---------- */
.rsvp-body{padding-top:0;}

.rsvp-page{
  max-width:560px;
  margin:0 auto;
  padding:56px 24px 120px;
}

.rsvp-nav{
  margin-bottom:56px;
  font-size:12px;
  letter-spacing:.08em;
}
.rsvp-nav a{
  color:var(--ink-dim);
  text-decoration:none;
}
.rsvp-nav a:hover{color:var(--gold);}

.rsvp-title{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(26px,6vw,32px);
  text-align:center;
  margin-bottom:28px;
}

.rsvp-meta{
  text-align:center;
  font-size:14px;
  line-height:2;
  color:var(--ink-dim);
  margin-bottom:56px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.rsvp-meta strong{color:var(--ink); font-weight:500;}

.form-section-title{
  font-family:var(--serif);
  font-style:italic;
  font-size:19px;
  color:var(--gold);
  margin:56px 0 26px;
}
.form-section-title:first-of-type{margin-top:0;}

.field{margin-bottom:30px;}
.field-label{
  display:block;
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:8px;
  line-height:1.7;
}
.field-label .req{color:var(--gold); margin-left:2px;}
.field-hint{
  font-size:12px;
  color:var(--ink-dim);
  opacity:.8;
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="number"]{
  width:100%;
  background:#161616;
  border:1px solid var(--line);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  padding:13px 14px;
  border-radius:2px;
  outline:none;
  transition:border-color .25s ease;
}
.field input:focus{border-color:var(--gold);}

.choice-group{display:flex; flex-direction:column; gap:14px; margin-top:12px;}
.choice-group label{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14px;
  letter-spacing:.03em;
  cursor:pointer;
  color:var(--ink);
}
.choice-group input[type="radio"],
.choice-group input[type="checkbox"]{
  appearance:none;
  -webkit-appearance:none;
  width:17px; height:17px;
  border:1px solid var(--ink-dim);
  border-radius:50%;
  position:relative;
  cursor:pointer;
  flex:none;
  background:transparent;
  margin:0;
}
.choice-group input[type="checkbox"]{border-radius:3px;}
.choice-group input[type="radio"]:checked,
.choice-group input[type="checkbox"]:checked{border-color:var(--gold);}
.choice-group input[type="radio"]:checked::after{
  content:'';
  position:absolute; inset:3px;
  border-radius:50%;
  background:var(--gold);
}
.choice-group input[type="checkbox"]:checked::after{
  content:'';
  position:absolute; inset:3px;
  background:var(--gold);
}

.conditional{
  margin-top:18px;
  padding-left:29px;
}
.conditional .field-label{margin-top:6px;}

.submit-row{margin-top:60px; text-align:center;}
.submit-btn{
  display:inline-block;
  padding:16px 56px;
  background:transparent;
  border:1px solid var(--gold);
  color:var(--gold);
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.25em;
  cursor:pointer;
  transition:background .3s ease, color .3s ease, opacity .3s ease;
}
.submit-btn:hover{background:var(--gold); color:#141414;}
.submit-btn:disabled{opacity:.5; cursor:default;}

.form-error{
  margin-top:20px;
  font-size:13px;
  line-height:1.8;
  color:#e0a35c;
  display:none;
}

.rsvp-success{
  text-align:center;
  padding:40px 0;
}
.rsvp-success .icon{
  font-size:34px;
  margin-bottom:24px;
}
.rsvp-success p{
  font-size:15px;
  line-height:2.1;
  color:var(--ink-dim);
  margin-bottom:14px;
}
.rsvp-success a{color:var(--gold); text-decoration:none; border-bottom:1px solid rgba(201,169,110,.4);}