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

:root {
  --cream:   #f5f0e8;
  --polar:   #faf7f2;
  --sepia:   #c4a882;
  --brown:   #5c3d2e;
  --ink:     #2c1810;
  --shadow:  rgba(44, 24, 16, 0.22);
}

html { scroll-behavior: auto; }

body {
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
  font-family: 'Cormorant Garamond', Georgia, serif;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.68' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ─── Intro Screen ──────────────────────────────────── */
#intro {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  text-align: center;
  pointer-events: auto;
}

.intro-inner { max-width: 580px; padding: 2rem; }

.intro-title {
  font-family: 'Caveat', cursive;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
  /* initial states set by GSAP to avoid CSS/GSAP transform conflicts */
}

.intro-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.05rem, 2.5vw, 1.45rem);
  color: var(--brown);
  margin-top: 1.3rem;
  line-height: 1.65;
}

.intro-hint {
  font-family: 'Caveat', cursive;
  font-size: 1.05rem;
  color: var(--sepia);
  margin-top: 2.4rem;
  letter-spacing: 0.06em;
}

/* ─── Scene & Track ─────────────────────────────────── */
#scene {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.timeline-track {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  height: 100vh;
  position: relative;
  will-change: transform;
  width: max-content;
  min-width: 100%;   
}

/* The sepia line */
.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--sepia);
  transform: translateY(-50%);
  transform-origin: left center;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 1%, black 99%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 1%, black 99%, transparent 100%);
}

/* ─── Chapter ───────────────────────────────────────── */
.chapter {
  position: relative;
  width: 680px;
  flex-shrink: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapter:first-child { padding-left: 60px; }
.chapter:last-child  { padding-right: 120px; }

/* ─── Chapter Marker ────────────────────────────────── */
.chapter-marker {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marker-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 18px;
  text-align: center;
}

.marker-era {
  font-family: 'Caveat', cursive;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brown);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.marker-year {
  font-family: 'Caveat', cursive;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--sepia);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.marker-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--brown);
  border: 2.5px solid var(--sepia);
  position: relative;
  z-index: 2;
  transform: scale(0.6);
  opacity: 0;

}

.marker-dot::before {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid var(--sepia);
  opacity: 0;
  transform: scale(0.5);
}

.dot-pulse::before {
  animation: dotPulse 2.2s ease-out infinite;
}

@keyframes dotPulse {
  0%   { opacity: 0.7; transform: scale(0.5); }
  100% { opacity: 0;   transform: scale(2.8); }
}

.marker-bottom {
  margin-top: 34px;
  width: 230px;
  text-align: center;
}

.marker-desc {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--brown);
  line-height: 1.6;
  opacity: 0.88;
}

/* ─── Polaroids (Desktop) ───────────────────────────── */
.polaroid {
  position: absolute;
  width: 180px;
  background: var(--polar);
  padding: 10px 10px 38px;
  box-shadow:
    0 3px 10px rgba(44,24,16,.15),
    0 8px 24px rgba(44,24,16,.10);
  transform: rotate(var(--rot, 0deg));
  cursor: pointer;
  transition:
    transform 0.38s cubic-bezier(0.34,1.56,0.64,1),
    box-shadow 0.38s ease;
  z-index: 5;
  opacity: 0;
}

.polaroid:hover {
  transform: rotate(calc(var(--rot, 0deg) * 0.35)) translateY(-7px) scale(1.04);
  box-shadow:
    0 14px 36px rgba(44,24,16,.26),
    0 4px 12px rgba(44,24,16,.14);
  z-index: 20;
}

.polaroid-photo {
  width: 100%;
  aspect-ratio: 1 / 0.88;
  /* display: block; */
  /* height: auto */
  background-color: gray;
}

img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 0.88;
  object-fit: cover;

}

.polaroid-caption {
  font-family: 'Caveat', cursive;
  font-size: 0.82rem;
  color: var(--brown);
  text-align: center;
  margin-top: 8px;
  line-height: 1.35;
  padding: 0 2px;
}

/* ─── Polaroid Gradients ────────────────────────────── */
.g1  { background: linear-gradient(135deg, #d4b896 0%, #9b7248 42%, #5c3d2e 100%); }
.g2  { background: linear-gradient(160deg, #e8d0a0 0%, #c4a060 38%, #7d5030 100%); }
.g3  { background: linear-gradient(120deg, #b89868 0%, #7d5538 52%, #4a2c1a 100%); }
.g4  { background: linear-gradient(145deg, #dcc498 0%, #b09060 42%, #7d5840 100%); }
.g5  { background: linear-gradient(130deg, #c8a870 0%, #9b7248 46%, #5c3428 100%); }
.g6  { background: linear-gradient(155deg, #e0c890 0%, #c8a060 32%, #8b5c30 100%); }
.g7  { background: linear-gradient(110deg, #c4a080 0%, #8b6040 52%, #4a2c18 100%); }
.g8  { background: linear-gradient(140deg, #d8b090 0%, #a87050 42%, #6b3828 100%); }
.g9  { background: radial-gradient(ellipse at 30% 30%, #e8d0a0 0%, #c4a060 42%, #7d5030 100%); }
.g10 { background: linear-gradient(125deg, #d09870 0%, #c08058 42%, #7a4430 100%); }
.g11 { background: linear-gradient(165deg, #c8b090 0%, #9b8060 46%, #5c3828 100%); }
.g12 { background: linear-gradient(135deg, #e4c8a0 0%, #c0985a 38%, #7a5030 100%); }
.g13 { background: linear-gradient(150deg, #b89060 0%, #8b6840 48%, #503820 100%); }
.g14 { background: linear-gradient(115deg, #d0c090 0%, #b09860 42%, #7a6040 100%); }
.g15 { background: radial-gradient(ellipse at 70% 60%, #d4c090 0%, #a07848 40%, #604030 100%); }

/* September 2025 */
#sep {
  .p1 { top: 7%;   left: 6%;   }
  .p2 { top: 9%;   right: 4%; }
  .p3 { bottom: 8%;  left: 18%; }
  .p4 { bottom: 13%;  left: 58%; }
  .p5 { top: 15%;  left: 39%; }
}


/* Oktober 2025 */
#okt {
  .p1 { top: 5%;   left: 10%;  }
  .p2 { top: 8%;  right: 3%;  }
  .p3 { bottom: 7%; left: 7%;  }
  .p4 { bottom: 11%; right: 35%; }
  .p5 { top: 15%;  left: 39%; }
  .p6 { bottom: 9%;  right: 4%; }
 }

/* Desember 2025 */
#nov {
  .p1 { top: 5%;   left: 10%;  }
  .p2 { top: 12%;  right: 7%;  }
  .p3 { bottom: 12%; left: 7%;  }
  .p4 { bottom: 11%; right: 8%; }
  .p5 { top: 15%;  left: 37%; }
  .p6 { bottom: 10%;  right: 37%; }
}

/* Januari 2026 */

/* Desember 2026 */
#des {
  .p1 { top: 5%;   left: 14%;  }
  .p2 { top: 7%;   right: 6%;  }
  .p3 { top: 13%;  left: 41%;}
  .p4 { bottom: 6%;  left: 8%;  }
  .p5 { bottom: 10%; right: 10%; }
  .p6 { bottom: 10%;  right: 37%; }
}

/* Februari 2026 */
#febr {
  .p1 { top: 8%;   left: 12%;  }
  .p2 { top: 10%;  right: 8%;  }
  .p3 { bottom: 9%; left: 22%;  }
  .p4 { bottom: 7%; right: 15%; }
  .p5 { top: 13%;  left: 39% }
}

/* Maret 2026 */
#mar {
  .p1 { top: 8%;   left: 12%;  }
  .p2 { top: 10%;  right: 8%;  }
  .p3 { bottom: 9%; left: 24%;  }
  .p4 { bottom: 7%; right: 20%; }
  .p5 { top: 13%;  left: 39% }
}


/* ─── Tablet Layout (768–1024px) ───────────────────── */
@media (max-width: 1024px) {

  /* Kill horizontal track */
  .timeline-track {
    flex-direction: column;
    height: auto;
    align-items: stretch;
  }

  .timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    right: auto;
    width: 1.5px;
    height: auto;
    transform: translateX(-50%);
    transform-origin: top center;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 3%, black 97%, transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, black 3%, black 97%, transparent 100%);
  }

  .chapter {
    width: 100%;
    height: auto;
    min-height: unset;
    flex-direction: column;
    padding: 80px 20px 60px;
    align-items: center;
    justify-content: flex-start;
  }

  .chapter:first-child { padding-top: 80px; padding-left: 20px; }
  .chapter:last-child  { padding-right: 20px; }

  .chapter-marker {
    position: relative;
    z-index: 10;
    margin-bottom: 40px;
  }

  /* Reset all absolute polaroid positions */
  .polaroid {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    margin-left: 0 !important;
  }

  /* Polaroid container becomes a flowing grid */
  .polaroids-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    width: 100%;
    max-width: 700px;
  }

  /* Tablet: alternate left/right */
  .chapter:nth-child(odd)  .polaroids-wrap { justify-content: flex-start; padding-left: 10%; }
  .chapter:nth-child(even) .polaroids-wrap { justify-content: flex-end;   padding-right: 10%; }
}

/* ─── Mobile Layout (<768px) ────────────────────────── */
@media (max-width: 767px) {
  .timeline-track {
    width: 100%;
  }
  .timeline-line { display: none; }

  .chapter {
    padding: 60px 14px 50px;
  }

  .chapter:nth-child(odd)  .polaroids-wrap,
  .chapter:nth-child(even) .polaroids-wrap {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
  }

  .polaroid { width: 155px; }

  .marker-era  { font-size: 0.95rem; }
  .marker-year { font-size: 0.82rem; }
  .marker-desc { font-size: 0.87rem; }
  .polaroid-caption { font-size: 0.77rem; }

  .intro-hint { display: none; }
}