/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:      #c9a96e;
  --gold-dim:  #8b6d3e;
  --cream:     #f0e6d0;
  --cream-dim: #9e8e72;
  --bg:        #060606;
  --font-s:   'Cormorant Garamond', Georgia, serif;
  --font-sc:  'Cormorant SC', Georgia, serif;
}

html, body { height: 100%; background: var(--bg); color: var(--cream);
             font-family: var(--font-s); overflow: hidden;
             -webkit-font-smoothing: antialiased; }

.hidden { display: none !important; }

/* ── Title screen ───────────────────────────────────────────────── */
.title-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  text-align: center; background: var(--bg);
  transition: opacity 1.2s ease, visibility 1.2s ease;
}
.title-screen.fade-out { opacity: 0; visibility: hidden; pointer-events: none; }

.title-bg {
  position: absolute; inset: 0;
  background: url('photos/1976 A.jpg') center 20%/cover no-repeat;
  opacity: 0.45; filter: blur(2px); transform: scale(1.06);
}

.title-inner { position: relative; z-index: 1; max-width: 620px; padding: 2rem; }

.title-date {
  font-family: var(--font-sc); font-size: clamp(0.7rem, 1.8vw, 0.85rem);
  letter-spacing: 0.28em; color: var(--gold); text-transform: uppercase;
  margin-bottom: 1.6rem;
}
.title-names {
  font-size: clamp(3rem, 9vw, 6.5rem); font-weight: 300; font-style: italic;
  line-height: 0.95; color: var(--cream); margin-bottom: 1rem;
}
.title-milestone {
  font-family: var(--font-sc); font-size: clamp(0.9rem, 2.5vw, 1.4rem);
  letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase;
  margin-bottom: 2rem;
}
.title-divider { width: 72px; height: 1px; background: var(--gold-dim); margin: 0 auto 2rem; }
.title-sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem); font-style: italic; font-weight: 300;
  color: var(--cream-dim); margin-bottom: 3rem;
}

.begin-btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: transparent; border: 1px solid var(--gold-dim);
  color: var(--gold); font-family: var(--font-sc); font-size: 0.82rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 0.9rem 2.2rem; cursor: pointer; transition: all 0.3s ease;
}
.begin-btn:hover { background: rgba(201,169,110,0.1); border-color: var(--gold); color: var(--cream); }

/* ── Slideshow ──────────────────────────────────────────────────── */
.slideshow { position: fixed; inset: 0; display: flex; flex-direction: column; background: var(--bg); }

/* ── Header ─────────────────────────────────────────────────────── */
.slide-header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.6rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.75) 0%, transparent 100%);
  transition: opacity 0.5s ease;
}
.slide-header.fade { opacity: 0; }

.header-title {
  font-family: var(--font-sc); font-size: 0.75rem;
  letter-spacing: 0.22em; color: var(--gold); text-transform: uppercase;
}
.header-controls { display: flex; gap: 0.5rem; }

.ctrl-btn {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.13);
  color: var(--cream-dim); width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s ease;
}
.ctrl-btn:hover { background: rgba(201,169,110,0.16); border-color: var(--gold-dim); color: var(--gold); }

/* ── Stage ──────────────────────────────────────────────────────── */
.stage { flex: 1; position: relative; overflow: hidden; }

/* Two layers for flash-free crossfade */
.slide-layer {
  position: absolute; inset: 0;
  transition: opacity 1.2s ease;
}

.slide-media { width: 100%; height: 100%; position: relative; overflow: hidden; }

.slide-media img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain;                 /* show full photo, no crop */
  object-position: center;
  animation: kenburns 8s ease-in-out forwards;
  background: var(--bg);
}

.slide-media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; background: var(--bg);
}

/* Vignette */
.slide-media::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0,0,0,0.55) 100%);
}

/* Ken Burns variants */
@keyframes kenburns       { from { transform: scale(1.00) translate( 0%,  0%); } to { transform: scale(1.07) translate(-1.5%, -0.5%); } }
@keyframes kenburns-right { from { transform: scale(1.06) translate( 1%,  0%); } to { transform: scale(1.00) translate(-1%,  -0.5%); } }
@keyframes kenburns-up    { from { transform: scale(1.07) translate( 0%,  1%); } to { transform: scale(1.00) translate( 0.5%, -1%);   } }
@keyframes kenburns-down  { from { transform: scale(1.00) translate(-0.5%,-1%); } to { transform: scale(1.06) translate( 0.5%,  1%);  } }

/* ── Chapter banner (center, between chapters) ──────────────────── */
.chapter-banner {
  position: absolute;
  bottom: 60px;
  right: 3%;
  left: auto;
  z-index: 30;
  text-align: right;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
  max-width: 320px;
}
.chapter-banner.visible { opacity: 1; }

.chapter-text {
  font-family: var(--font-sc);
  font-size: clamp(0.9rem, 2.4vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--cream);
  line-height: 1.7;
  text-shadow: 0 2px 18px rgba(0,0,0,1), 0 0 40px rgba(0,0,0,0.95);
}

/* ── Chapter label — framed bar flush at top ─────────────────────── */
.slide-chapter-bar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 55;
  pointer-events: none;
  white-space: nowrap;
  background: rgba(0,0,0,0.62);
  border-bottom: 1px solid rgba(201,169,110,0.3);
  border-left: 1px solid rgba(201,169,110,0.2);
  border-right: 1px solid rgba(201,169,110,0.2);
  padding: 0.65rem 2.4rem;
}

.info-chapter {
  font-family: var(--font-sc);
  font-size: clamp(1.1rem, 2.8vw, 1.6rem);
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
  text-align: center;
}

/* ── Year — framed bar flush at bottom ──────────────────────────── */
.slide-year-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 55;
  pointer-events: none;
  white-space: nowrap;
  background: rgba(0,0,0,0.62);
  border-top: 1px solid rgba(255,255,255,0.15);
  border-left: 1px solid rgba(255,255,255,0.08);
  border-right: 1px solid rgba(255,255,255,0.08);
  padding: 0.2rem 2.4rem 0.4rem;
}

.info-year {
  font-family: var(--font-sc);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 300;
  color: #ffffff;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
}

/* ── Navigation arrows ──────────────────────────────────────────── */
.nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 30;
  background: rgba(0,0,0,0.38); border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.55); width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: all 0.25s ease; opacity: 0;
}
.stage:hover .nav-btn, .nav-btn:focus { opacity: 1; }
.nav-prev { left: 1.2rem; }
.nav-next { right: 1.2rem; }
.nav-btn:hover { background: rgba(201,169,110,0.2); border-color: var(--gold-dim); color: var(--gold); transform: translateY(-50%) scale(1.06); }

/* ── Progress bar ───────────────────────────────────────────────── */
.progress-wrap { height: 2px; background: rgba(255,255,255,0.05); position: relative; z-index: 40; }
.progress-bar  { height: 100%; background: linear-gradient(to right, var(--gold-dim), var(--gold)); width: 0%; }

/* ── Footer ─────────────────────────────────────────────────────── */
.slide-footer {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 40;
  height: 48px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.4rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  transition: opacity 0.5s ease;
}
.slide-footer.fade { opacity: 0; }

.footer-counter {
  font-family: var(--font-sc); font-size: 0.68rem;
  letter-spacing: 0.18em; color: var(--cream-dim); min-width: 60px;
}
.footer-hint {
  font-family: var(--font-sc); font-size: 0.62rem;
  letter-spacing: 0.12em; color: rgba(255,255,255,0.3); text-align: center;
}
.footer-thumb { display: flex; gap: 3px; justify-content: flex-end; min-width: 60px; }

.thumb-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.18); transition: all 0.3s ease; cursor: pointer; }
.thumb-dot.active { background: var(--gold); transform: scale(1.5); }
.thumb-dot.near   { background: rgba(201,169,110,0.45); transform: scale(1.15); }

/* ── Closing screen ─────────────────────────────────────────────── */
.closing-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  text-align: center; background: var(--bg);
  opacity: 0; transition: opacity 1.6s ease;
}
.closing-screen.visible { opacity: 1; }

.closing-inner { max-width: 560px; padding: 2rem; }
.closing-heart { font-size: 2.2rem; color: var(--gold-dim); margin-bottom: 1.8rem; animation: pulse 2.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:0.55; transform:scale(1); } 50% { opacity:1; transform:scale(1.12); } }

.closing-title { font-family: var(--font-sc); font-size: clamp(2rem, 5.5vw, 3.8rem); font-weight: 300; letter-spacing: 0.07em; color: var(--cream); margin-bottom: 0.5rem; }
.closing-names { font-size: clamp(1.2rem, 3.5vw, 1.9rem); font-style: italic; font-weight: 300; color: var(--gold); margin-bottom: 0.3rem; }
.closing-years { font-family: var(--font-sc); font-size: 0.82rem; letter-spacing: 0.24em; color: var(--cream-dim); margin-bottom: 2.2rem; }
.closing-message { font-size: clamp(0.95rem, 2.2vw, 1.15rem); font-style: italic; font-weight: 300; color: var(--cream); line-height: 1.8; margin-bottom: 1rem; }
.closing-sub { font-family: var(--font-sc); font-size: 0.75rem; letter-spacing: 0.18em; color: var(--cream-dim); margin-bottom: 2.8rem; }

/* ── Mobile ─────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .slide-header, .slide-footer { padding: 0.7rem 0.9rem; }
  .nav-prev { left: 0.4rem; } .nav-next { right: 0.4rem; }
  .nav-btn { width: 40px; height: 40px; opacity: 0.6; }
  .footer-hint { display: none; }

  /* Framed bars — compact on mobile, stay flush to edges */
  .slide-chapter-bar {
    top: 0;
    white-space: normal;
    text-align: center;
    max-width: 85vw;
    padding: 0.45rem 1rem;
  }
  .info-chapter { font-size: clamp(0.8rem, 4vw, 1.1rem); letter-spacing: 0.18em; }

  .slide-year-bar {
    bottom: 0;
    padding: 0.1rem 1.2rem 0.2rem;
  }
  .info-year { font-size: clamp(1.8rem, 10vw, 2.6rem); }

  /* Chapter banner compact */
  .chapter-banner { bottom: 52px; right: 2%; max-width: 85vw; }
  .chapter-text { font-size: clamp(0.8rem, 3.5vw, 1rem); }

  /* Title screen */
  .title-names { font-size: clamp(2.4rem, 11vw, 4rem); }
  .title-milestone { font-size: clamp(0.7rem, 3.5vw, 1rem); letter-spacing: 0.14em; }
  .title-sub { font-size: clamp(0.85rem, 3.5vw, 1rem); }
}

/* Hide overlay bars when slideshow is not active */
body:not(.show-active) .slide-chapter-bar,
body:not(.show-active) .slide-year-bar { display: none; }

/* Safe area for notched phones */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .slide-footer { padding-bottom: calc(0.5rem + env(safe-area-inset-bottom)); }
  .slide-year-bar { padding-bottom: calc(0.4rem + env(safe-area-inset-bottom)); }
}