/* ===== Tokens ===== */
:root {
  --bg-0: #07030d;
  --bg-1: #0e0518;
  --bg-2: #1a0820;
  --bg-3: #2d0a2f;
  --red-deep: #6b0a1a;
  --red: #a50f24;
  --red-bright: #c8102e;
  --purple-deep: #2a0738;
  --purple: #4a154b;
  --purple-mid: #6b21a8;
  --purple-bright: #8b1a8e;
  --magenta: #b8336a;
  --cream: #f5e6d3;
  --cream-dim: #c9b8a3;
  --gold: #d4af37;
  --white: #fff8ef;

  --font-display: "Playfair Display", "Cormorant Garamond", serif;
  --font-serif: "Cormorant Garamond", "Playfair Display", serif;
  --font-hand: "Caveat", "Dancing Script", cursive;
  --font-ui: "Inter", system-ui, sans-serif;
}

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

html, body {
  background: var(--bg-0);
  color: var(--cream);
  font-family: var(--font-serif);
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(139, 26, 142, 0.25), transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(165, 15, 36, 0.2), transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(74, 21, 75, 0.15), transparent 70%),
    var(--bg-0);
}

/* ===== Background canvas (particles) ===== */
.particle-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 50;
}

/* ===== Music control ===== */
.music-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 100;
  background: rgba(20, 5, 30, 0.7);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--cream);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,.4), inset 0 0 20px rgba(184, 51, 106, 0.15);
}
.music-toggle:hover { transform: scale(1.08); box-shadow: 0 8px 30px rgba(184, 51, 106, .4); }
.music-toggle .bars { display:flex; gap:3px; align-items:flex-end; height:18px; }
.music-toggle .bars span {
  width: 3px; background: var(--cream); border-radius: 2px;
  animation: bars 1.1s ease-in-out infinite;
}
.music-toggle .bars span:nth-child(1) { animation-delay: 0s; height:60%; }
.music-toggle .bars span:nth-child(2) { animation-delay: .15s; height:100%; }
.music-toggle .bars span:nth-child(3) { animation-delay: .3s; height:40%; }
.music-toggle .bars span:nth-child(4) { animation-delay: .45s; height:80%; }
.music-toggle.paused .bars span { animation-play-state: paused; height: 60%; opacity: .4; }
@keyframes bars {
  0%, 100% { transform: scaleY(0.3); }
  50%      { transform: scaleY(1); }
}

.music-track-label {
  position: fixed;
  top: 32px;
  right: 96px;
  z-index: 100;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream-dim);
  background: rgba(20,5,30,.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212,175,55,.2);
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity .5s ease, transform .5s ease;
  pointer-events: none;
}
.music-track-label.show { opacity: 1; transform: translateX(0); }

/* ===== Section base ===== */
main { position: relative; z-index: 2; }
section {
  position: relative;
  padding: 120px 6vw;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.section-divider {
  position: relative;
  width: 100%;
  height: 120px;
  pointer-events: none;
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.eyebrow::before, .eyebrow::after {
  content: ""; width: 36px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream) 40%, var(--magenta) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.05;
  margin-bottom: 16px;
}

.section-sub {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  color: var(--cream-dim);
  text-align: center;
  max-width: 640px;
  margin-bottom: 64px;
  font-style: italic;
}

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.1s cubic-bezier(.2,.65,.25,1), transform 1.1s cubic-bezier(.2,.65,.25,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s cubic-bezier(.2,.65,.25,1), transform .9s cubic-bezier(.2,.65,.25,1);
}
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 0.65s; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: 0.75s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 100px 6vw 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 3;
}
.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 1.4s .3s forwards cubic-bezier(.2,.65,.25,1);
}
.hero-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(7rem, 24vw, 20rem);
  letter-spacing: -0.04em;
  line-height: 0.85;
  position: relative;
  color: #ffeef3;
  text-shadow:
    0 2px 0 rgba(255,255,255,.15),
    0 8px 30px rgba(0,0,0,.55),
    0 18px 60px rgba(0,0,0,.55),
    0 0 80px rgba(245, 180, 210, .35);
}
.hero-name .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(80px) scale(0.7) rotateX(-90deg);
  animation: letterIn 1.2s forwards cubic-bezier(.2,.7,.3,1);
}
.hero-name .letter:nth-child(1) { animation-delay: 0.6s; }
.hero-name .letter:nth-child(2) { animation-delay: 0.8s; }
.hero-name .letter:nth-child(3) { animation-delay: 1.0s; }
@keyframes letterIn {
  to { opacity: 1; transform: translateY(0) scale(1) rotateX(0); }
}

.hero-glow {
  display: none;
}

/* hero background image (full bleed) */
.hero-bg-image {
  position: absolute;
  inset: 0;
  background-image: url("photos/hero.jpeg");
  background-size: cover;
  background-position: center 28%;
  z-index: 0;
  filter: saturate(0.95) contrast(1.02);
  animation: heroKen 28s ease-in-out infinite alternate;
}
@keyframes heroKen {
  from { transform: scale(1.08); background-position: center 22%; }
  to   { transform: scale(1.16); background-position: center 32%; }
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(10,5,12,.35) 0%, rgba(10,5,12,.75) 70%, rgba(10,5,12,.95) 100%),
    linear-gradient(180deg, rgba(10,5,12,0.55) 0%, rgba(10,5,12,0.4) 50%, rgba(10,5,12,0.9) 100%);
  pointer-events: none;
}
.hero-stage { position: relative; z-index: 3; }
.hero .hero-orb { z-index: 2; mix-blend-mode: screen; opacity: .55; }
@keyframes fadeIn { to { opacity: 1; } }

.hero-message {
  margin-top: 48px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2.4vw, 2.1rem);
  color: var(--cream);
  font-weight: 400;
  max-width: 800px;
  line-height: 1.4;
  opacity: 0;
  animation: fadeUp 1.4s 1.8s forwards cubic-bezier(.2,.65,.25,1);
}
.hero-message .heart {
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.18); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-date {
  margin-top: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-ui);
  letter-spacing: .35em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--cream-dim);
  opacity: 0;
  animation: fadeUp 1.4s 2.4s forwards cubic-bezier(.2,.65,.25,1);
}
.hero-date .num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 56px;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, var(--cream), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  text-transform: none;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--cream-dim);
  opacity: 0;
  animation: fadeUp 1.4s 3s forwards;
}
.hero-scroll::after {
  content: ""; display: block;
  width: 1px; height: 40px;
  margin: 12px auto 0;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* hero portrait card (on top, framed) */
.hero-portrait-card {
  position: relative;
  margin-top: 40px;
  width: min(220px, 50vw);
  aspect-ratio: 3 / 4.2;
  border-radius: 6px;
  overflow: hidden;
  box-shadow:
    0 30px 80px rgba(0,0,0,.6),
    0 0 0 6px rgba(245,230,211,.06),
    0 0 0 7px rgba(212,175,55,.25);
  transform: rotate(-2deg);
  opacity: 0;
  animation: fadeUp 1.4s 2.8s forwards cubic-bezier(.2,.65,.25,1);
  z-index: 5;
  flex-shrink: 0;
}
.hero-portrait-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  display: block;
  animation: heroKenBurns 22s ease-in-out infinite alternate;
}
@keyframes heroKenBurns {
  from { transform: scale(1.03); }
  to   { transform: scale(1.12); }
}
.hero-portrait-frame {
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(245,230,211,.25);
  border-radius: 3px;
  pointer-events: none;
  z-index: 2;
}
.hero-portrait-tape {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 110px;
  height: 22px;
  transform: translateX(-50%) rotate(-3deg);
  background: linear-gradient(180deg, rgba(245,230,211,.28), rgba(245,230,211,.1));
  backdrop-filter: blur(2px);
  z-index: 3;
}

/* parallax floating shapes */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
}
.hero-orb.a { width: 380px; height: 380px; top: 10%; left: -8%; background: radial-gradient(circle, rgba(200,16,46,.5), transparent); }
.hero-orb.b { width: 320px; height: 320px; bottom: 8%; right: -6%; background: radial-gradient(circle, rgba(139,26,142,.55), transparent); }
.hero-orb.c { width: 240px; height: 240px; top: 60%; left: 20%; background: radial-gradient(circle, rgba(74,21,75,.5), transparent); }

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 90px;
  gap: 18px;
  width: 100%;
  max-width: 1300px;
}
.photo-tile {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid rgba(212, 175, 55, 0.12);
  cursor: pointer;
  transition: transform .6s cubic-bezier(.2,.7,.3,1), box-shadow .6s ease, border-color .6s ease;
}
.photo-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg,
    rgba(245,230,211,0.04) 0 12px,
    transparent 12px 24px);
  pointer-events: none;
}
.photo-tile::after {
  content: attr(data-label);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: rgba(245, 230, 211, 0.45);
  text-transform: uppercase;
  text-align: center;
  padding: 16px;
}
.photo-tile:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 24px 60px rgba(200, 16, 46, 0.25), 0 0 0 1px var(--gold);
  border-color: var(--gold);
  z-index: 5;
}
.photo-tile .ph-frame {
  position: absolute; inset: 12px;
  border: 1px dashed rgba(212, 175, 55, 0.25);
  border-radius: 3px;
}
.photo-tile .ph-tape {
  position: absolute;
  top: -8px; left: 50%;
  width: 80px; height: 18px;
  transform: translateX(-50%) rotate(-2deg);
  background: linear-gradient(180deg, rgba(245,230,211,.18), rgba(245,230,211,.06));
  backdrop-filter: blur(2px);
}

/* gallery layout positions (desktop) */
.t1 { grid-column: 1 / span 4; grid-row: 1 / span 5; }
.t2 { grid-column: 5 / span 4; grid-row: 1 / span 3; }
.t3 { grid-column: 9 / span 4; grid-row: 1 / span 4; }
.t4 { grid-column: 5 / span 4; grid-row: 4 / span 4; }
.t5 { grid-column: 9 / span 4; grid-row: 5 / span 3; }
.t6 { grid-column: 1 / span 4; grid-row: 6 / span 3; }
.t7 { grid-column: 5 / span 4; grid-row: 8 / span 3; }
.t8 { grid-column: 9 / span 4; grid-row: 8 / span 3; }
.t9 { grid-column: 1 / span 4; grid-row: 9 / span 2; }

/* ===== Then & Now ===== */
.then-now {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
  max-width: 1200px;
}
.tn-card {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid rgba(212, 175, 55, 0.18);
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.tn-card .ph-frame { position:absolute; inset: 16px; border:1px dashed rgba(212,175,55,.3); border-radius:3px; }
.tn-card .ph-label {
  position:absolute; inset: 0;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-ui); font-size: 11px;
  letter-spacing: .3em; color: rgba(245,230,211,.5); text-transform: uppercase;
  text-align: center;
}
.tn-tag {
  position:absolute; top: 24px; left: 24px;
  font-family: var(--font-display); font-style: italic;
  font-size: 28px; color: var(--cream);
  text-shadow: 0 4px 16px rgba(0,0,0,.6);
}
.tn-tag small {
  display: block;
  font-family: var(--font-ui); font-size: 10px;
  letter-spacing: .35em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 4px; font-style: normal;
}

.tn-card.then {
  transform: rotate(-3deg) translateY(20px);
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1);
}
.tn-card.now {
  transform: rotate(3deg) translateY(-20px);
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1);
}
.tn-card.has-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
}
.tn-card.has-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, transparent 30%, transparent 60%, rgba(14,5,24,0.75) 100%);
  pointer-events: none;
  z-index: 1;
}
.tn-card.has-image .tn-tag { z-index: 2; }
.then-now.in .tn-card.then { transform: rotate(-3deg) translateY(0); }
.then-now.in .tn-card.now  { transform: rotate(3deg) translateY(0); }

.tn-divider {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  font-family: var(--font-display);
  font-style: italic; color: var(--cream);
  text-align: center;
}
.tn-divider .arrow { font-size: 40px; color: var(--gold); animation: arrow 3s ease-in-out infinite; }
@keyframes arrow {
  0%,100% { transform: translateX(0); }
  50%     { transform: translateX(8px); }
}
.tn-divider .quote {
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  max-width: 280px;
  line-height: 1.4;
  color: var(--cream);
}
.tn-divider .quote-mark {
  font-family: var(--font-display);
  font-size: 80px; color: var(--magenta); line-height: .3;
  opacity: .6;
}

/* ===== ENVELOPE / Letter ===== */
.envelope-wrap {
  width: min(560px, 90vw);
  perspective: 1400px;
}
.envelope {
  position: relative;
  width: 100%;
  aspect-ratio: 1.55 / 1;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1);
}
.envelope.opened { transform: translateY(-30px); }
.env-body {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #6b0a1a, #2a0738 80%);
  border-radius: 6px;
  box-shadow: 0 30px 80px rgba(0,0,0,.6), inset 0 0 60px rgba(0,0,0,.3);
  overflow: hidden;
}
.env-body::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(245,230,211,.03) 0 6px, transparent 6px 12px);
}
.env-front {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--cream);
  font-family: var(--font-hand);
  font-size: 36px;
  z-index: 2;
  transition: opacity .4s ease;
}
.envelope.opened .env-front { opacity: 0; }
.env-flap {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 56%;
  background: linear-gradient(180deg, #8b0a1a, #6b0a1a);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transition: transform 1.1s cubic-bezier(.6,0,.4,1.2);
  z-index: 4;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.envelope.opened .env-flap { transform: rotateX(180deg); z-index: 1; }

.env-seal {
  position: absolute; top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--red-bright), var(--red-deep));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 36px;
  color: var(--cream);
  z-index: 5;
  box-shadow: 0 4px 16px rgba(0,0,0,.5), inset -3px -3px 8px rgba(0,0,0,.3), inset 3px 3px 8px rgba(255,255,255,.2);
  transition: transform 0.5s ease, opacity 0.5s ease;
}
.envelope.opened .env-seal {
  transform: translate(-50%, -50%) scale(0) rotate(180deg);
  opacity: 0;
}

.env-letter {
  position: absolute;
  inset: 8% 6%;
  background: linear-gradient(180deg, #f5e6d3, #e9d4b8);
  color: #2a0738;
  border-radius: 4px;
  padding: 28px 32px;
  font-family: var(--font-hand);
  font-size: clamp(16px, 1.6vw, 22px);
  line-height: 1.5;
  z-index: 3;
  transform: translateY(0);
  opacity: 0;
  transition: transform 1.4s 0.3s cubic-bezier(.2,.7,.3,1), opacity .4s .3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
  overflow: auto;
}
.envelope.opened .env-letter {
  transform: translateY(-46%);
  opacity: 1;
}
.env-letter h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4em;
  margin-bottom: 12px;
  color: var(--red-deep);
}
.env-letter p { margin-bottom: 10px; }
.env-letter .signoff {
  text-align: right;
  margin-top: 18px;
  font-size: 1.1em;
  color: var(--purple);
}

.env-hint {
  margin-top: 32px;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-align: center;
  opacity: .8;
}
.env-hint .pulse-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--magenta);
  border-radius: 50%;
  margin-right: 8px;
  animation: pulse 1.5s ease-in-out infinite;
  vertical-align: middle;
}

/* ===== FLIP CARDS (Te conozco) ===== */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  width: 100%;
  max-width: 1200px;
}
.flip-card {
  perspective: 1200px;
  height: 280px;
  cursor: pointer;
}
.flip-card-inner {
  position: relative;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform .9s cubic-bezier(.2,.7,.3,1);
}
.flip-card.flipped .flip-card-inner { transform: rotateY(180deg); }
.flip-face {
  position: absolute; inset: 0;
  border-radius: 8px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
  border: 1px solid rgba(212,175,55,.18);
  overflow: hidden;
}
.flip-front {
  background: linear-gradient(135deg, var(--bg-2), var(--purple-deep));
}
.flip-front::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(200,16,46,.2), transparent 60%);
}
.flip-front .icon {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 72px;
  background: linear-gradient(180deg, var(--cream), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 16px;
}
.flip-front .label {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gold);
}
.flip-front .hint {
  position: absolute;
  bottom: 14px;
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(245,230,211,.4);
}
.flip-back {
  background: linear-gradient(135deg, var(--red-deep), var(--purple-mid));
  transform: rotateY(180deg);
}
.flip-back .answer {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  color: var(--cream);
  line-height: 1.4;
}
.flip-back .answer .accent { color: var(--gold); font-weight: 600; }

/* ===== Te conozco bien (párrafo) ===== */
.te-conozco-text {
  max-width: 820px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.85;
  color: var(--cream-dim);
  text-align: left;
  position: relative;
  padding: 48px 56px;
  background: linear-gradient(160deg, rgba(45,10,47,0.55), rgba(14,5,24,0.85));
  border: 1px solid rgba(212,175,55,.15);
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
}
.te-conozco-text::before {
  content: "";
  position: absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--gold), transparent);
}
.te-conozco-text p { margin-bottom: 18px; }
.te-conozco-text p:last-child { margin-bottom: 0; }
.te-conozco-text .hl {
  color: var(--cream);
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(180deg, transparent 70%, rgba(184,51,106,.35) 70%);
  padding: 0 2px;
}
.te-conozco-coda {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--cream);
  font-size: 1.15em;
  border-top: 1px solid rgba(212,175,55,.2);
  padding-top: 24px;
  margin-top: 32px !important;
}
@media (max-width: 700px) {
  .te-conozco-text { padding: 32px 24px; }
}

/* ===== Splash entry ===== */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(ellipse at center, #1a0820 0%, #07030d 65%, #000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: splashIn .8s ease forwards;
}
.splash.leaving {
  animation: splashOut .9s ease forwards;
}
@keyframes splashIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes splashOut { to   { opacity: 0; visibility: hidden; } }
.splash-inner {
  position: relative;
  text-align: center;
  padding: 60px 40px;
}
.splash-eyebrow {
  font-family: var(--font-ui);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--cream-dim);
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeUp 1.2s .2s forwards cubic-bezier(.2,.65,.25,1);
}
.splash-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  background: linear-gradient(180deg, #fff8ef 0%, #f5b3c8 60%, #c890e8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -.01em;
  line-height: 1;
  opacity: 0;
  animation: fadeUp 1.4s .5s forwards cubic-bezier(.2,.65,.25,1);
}
.splash-sub {
  margin-top: 18px;
  font-family: var(--font-ui);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--cream-dim);
  opacity: 0;
  animation: fadeUp 1.2s .9s forwards cubic-bezier(.2,.65,.25,1);
}
.splash-sub span {
  color: var(--gold);
  margin-left: 6px;
  animation: pulse 1.8s ease-in-out infinite;
  display: inline-block;
}
.splash-pulse {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  border: 1px solid rgba(245, 180, 200, 0.25);
  opacity: 0;
  animation: splashPulse 2.6s 1.2s ease-out infinite;
  pointer-events: none;
}
@keyframes splashPulse {
  0%   { transform: scale(.85); opacity: .7; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ===== Splash entry END ===== */

/* ===== Gallery carousel ===== */
.gallery-section { overflow: hidden; }
.carousel-stack {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 12px 0;
}
.carousel-row {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.carousel-track {
  display: flex;
  gap: 22px;
  width: max-content;
  will-change: transform;
}
.carousel-track.scroll-left {
  animation: scrollLeft 60s linear infinite;
}
.carousel-track.scroll-right {
  animation: scrollRight 75s linear infinite;
}
.carousel-row:hover .carousel-track { animation-play-state: paused; }
@keyframes scrollLeft {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes scrollRight {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}
.carousel-tile {
  position: relative;
  flex: 0 0 auto;
  width: 260px;
  height: 340px;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid rgba(212, 175, 55, 0.12);
  transition: transform .5s ease, box-shadow .5s ease, border-color .5s ease;
}
.carousel-tile.tall { width: 240px; height: 320px; }
.carousel-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg,
    rgba(245,230,211,0.04) 0 12px, transparent 12px 24px);
  pointer-events: none;
}
.carousel-tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,5,12,.55) 100%);
  pointer-events: none;
  z-index: 2;
}
.carousel-tile img,
.carousel-tile video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: saturate(1.05) contrast(1.03);
  transition: transform .8s ease, filter .5s ease;
}
.carousel-tile:hover img,
.carousel-tile:hover video {
  transform: scale(1.06);
  filter: saturate(1.15) contrast(1.06);
}
.tile-caption {
  display: none;
}
.carousel-tile .ph-tape { z-index: 4; }
.carousel-tile:hover {
  transform: translateY(-6px) scale(1.04);
  box-shadow: 0 24px 60px rgba(200, 16, 46, 0.25);
  border-color: var(--gold);
  z-index: 5;
}
.carousel-tile .ph-frame {
  position: absolute; inset: 12px;
  border: 1px dashed rgba(212, 175, 55, 0.25);
  border-radius: 3px;
}
.carousel-tile .ph-tape {
  position: absolute;
  top: -8px; left: 50%;
  width: 80px; height: 18px;
  transform: translateX(-50%) rotate(-2deg);
  background: linear-gradient(180deg, rgba(245,230,211,.18), rgba(245,230,211,.06));
  backdrop-filter: blur(2px);
}
@media (max-width: 700px) {
  .carousel-tile { width: 200px; height: 270px; }
  .carousel-tile.tall { width: 180px; height: 250px; }
}

/* ===== Admiro flip card styling ===== */
.admire-flip-grid {
  max-width: 1200px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.flip-card.admire-flip { height: 420px; }
.admire-front {
  background: linear-gradient(160deg, rgba(45,10,47,0.95), rgba(14,5,24,0.95)) !important;
  align-items: flex-start;
  justify-content: flex-end;
  text-align: left;
  padding: 28px;
}
.admire-front::before {
  content: "";
  position: absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--gold), transparent);
}
.admire-front-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 110px;
  line-height: 1;
  background: linear-gradient(180deg, rgba(200,16,46,.7), rgba(139,26,142,.2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: absolute;
  top: -12px; right: 18px;
  pointer-events: none;
}
.admire-front-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--cream);
  margin-bottom: 14px;
}
.admire-back {
  background: linear-gradient(135deg, var(--red-deep), var(--purple-mid)) !important;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  padding: 28px;
}
.admire-back-num {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.admire-back h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--cream);
  margin-bottom: 12px;
}
.admire-back p {
  font-family: var(--font-serif);
  color: var(--cream);
  font-size: 0.98rem;
  line-height: 1.55;
}
.admire-back {
  overflow: auto;
}
.admire-back .pending {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: rgba(245,230,211,.6);
  display: inline-block;
  padding: 8px 12px;
  border: 1px dashed rgba(245,230,211,.4);
  border-radius: 4px;
}

/* ===== Admiro de ti (legacy) ===== */
.admire-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 1200px;
}
.admire-card {
  position: relative;
  padding: 36px 28px;
  background: linear-gradient(160deg, rgba(45,10,47,0.85), rgba(14,5,24,0.95));
  border: 1px solid rgba(212,175,55,.15);
  border-radius: 8px;
  overflow: hidden;
  transition: transform .5s ease, border-color .5s ease, box-shadow .5s ease;
}
.admire-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold);
  box-shadow: 0 30px 70px rgba(184,51,106,.25);
}
.admire-card::before {
  content: "";
  position: absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--gold), transparent);
}
.admire-card .num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 100px;
  line-height: 1;
  background: linear-gradient(180deg, rgba(200,16,46,.6), transparent 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: absolute;
  top: -10px; right: 16px;
  pointer-events: none;
}
.admire-card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.7rem;
  color: var(--cream);
  margin-bottom: 12px;
  position: relative;
}
.admire-card p {
  font-family: var(--font-serif);
  color: var(--cream-dim);
  font-size: 1.05rem;
  line-height: 1.6;
  position: relative;
}

/* ===== Memoria favorita ===== */
.memory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
  max-width: 1200px;
}
.memory-photo {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid rgba(212,175,55,.2);
  transform: rotate(-2deg);
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.memory-photo .ph-frame { position:absolute; inset: 16px; border:1px dashed rgba(212,175,55,.3); border-radius:3px; }
.memory-photo .ph-label {
  position:absolute; inset: 0; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-ui); font-size: 11px;
  letter-spacing: .3em; color: rgba(245,230,211,.5); text-transform: uppercase; text-align:center;
}
.memory-photo .corner-tape {
  position: absolute; width: 100px; height: 24px;
  background: linear-gradient(180deg, rgba(245,230,211,.2), rgba(245,230,211,.05));
  backdrop-filter: blur(2px);
}
.memory-photo .corner-tape.tl { top: -10px; left: -20px; transform: rotate(-30deg); }
.memory-photo .corner-tape.br { bottom: -10px; right: -20px; transform: rotate(-30deg); }
.memory-photo.has-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.memory-photo.has-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(14,5,24,0.4));
  pointer-events: none;
}

.memory-text .quote-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 120px;
  color: var(--magenta);
  line-height: 0.3;
  opacity: .6;
}
.memory-text h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--cream);
  margin: 24px 0;
  line-height: 1.1;
}
.memory-text p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--cream-dim);
  margin-bottom: 16px;
}
.memory-text .placeholder-note {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px dashed rgba(212,175,55,.4);
  border-radius: 4px;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ===== Capítulo 18 ===== */
.book {
  width: min(800px, 92vw);
  position: relative;
  background: linear-gradient(180deg, #f5e6d3, #e9d4b8);
  color: #2a0738;
  padding: 72px 64px;
  border-radius: 4px;
  box-shadow:
    0 40px 100px rgba(0,0,0,.6),
    inset 0 0 0 1px rgba(255,255,255,.4),
    inset 24px 0 32px -24px rgba(0,0,0,.2);
  font-family: var(--font-serif);
}
.book::before {
  content: ""; position: absolute;
  left: 36px; top: 24px; bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(107,10,26,.3), transparent);
}
.book .chapter-tag {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .45em;
  text-transform: uppercase;
  color: var(--red-deep);
  margin-bottom: 12px;
}
.book .chapter-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(5rem, 12vw, 9rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--purple);
  margin-bottom: 24px;
}
.book .chapter-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 36px;
  color: var(--red-deep);
  line-height: 1.2;
}
.book .dropcap {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 5em;
  float: left;
  line-height: 0.85;
  margin: 0.05em 0.1em -0.1em 0;
  color: var(--red-bright);
}
.book p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 18px;
  text-indent: 1.5em;
}
.book p:first-of-type { text-indent: 0; }
.book .ornament {
  text-align: center;
  margin: 32px 0;
  color: var(--purple);
  font-size: 24px;
  letter-spacing: 1em;
}

/* ===== Closing ===== */
.closing {
  text-align: center;
  padding: 160px 6vw 200px;
  position: relative;
}
.closing-name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(3rem, 7vw, 6rem);
  background: linear-gradient(180deg, var(--cream), var(--magenta) 60%, var(--purple-mid));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 24px;
}
.closing-message {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--cream);
  margin-bottom: 16px;
}
.closing-tag {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 48px;
}

.celebrate-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  padding: 18px 32px;
  background: linear-gradient(135deg, var(--red), var(--purple-mid));
  color: var(--cream);
  border: 1px solid rgba(212,175,55,.4);
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: .35em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 12px 32px rgba(165,15,36,.3);
}
.celebrate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 50px rgba(184,51,106,.5);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  section { padding: 80px 5vw; }
  .gallery-grid { grid-auto-rows: 60px; gap: 10px; }
  .t1 { grid-column: 1 / span 7; grid-row: 1 / span 5; }
  .t2 { grid-column: 8 / span 5; grid-row: 1 / span 3; }
  .t3 { grid-column: 8 / span 5; grid-row: 4 / span 4; }
  .t4 { grid-column: 1 / span 6; grid-row: 6 / span 4; }
  .t5 { grid-column: 7 / span 6; grid-row: 8 / span 3; }
  .t6 { grid-column: 1 / span 12; grid-row: 10 / span 3; }
  .t7 { grid-column: 1 / span 6; grid-row: 13 / span 3; }
  .t8 { grid-column: 7 / span 6; grid-row: 13 / span 3; }
  .t9 { grid-column: 1 / span 12; grid-row: 16 / span 3; }
  .then-now { grid-template-columns: 1fr; gap: 32px; }
  .memory { grid-template-columns: 1fr; gap: 32px; }
  .book { padding: 48px 32px; }
}

/* fancy section transition divider */
.glow-line {
  height: 1px;
  width: 60%;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .5;
}