/* ═══════════════════════════════════════════════
   NUESTRO CUENTO — Para Anielka, Mi Osita 🧸
   ═══════════════════════════════════════════════ */
:root {
  --bg: #1a070d;
  --bg-2: #2b0d18;
  --red: #e63956;
  --red-deep: #c8102e;
  --rose: #f7a8b8;
  --gold: #e8c07d;
  --cream: #fdf3ee;
  --muted: #cfa0ac;
  --script: 'Great Vibes', cursive;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Montserrat', -apple-system, 'Helvetica Neue', sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; height: 100dvh; }

::selection { background: var(--red); color: #fff; }

/* Scrollbar bonito en PC */
@media (pointer: fine) {
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: linear-gradient(var(--red), var(--red-deep)); border-radius: 6px; }
}

/* ═══════════ SOBRE DE APERTURA ═══════════ */
#envelope-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 34px; padding: 24px;
  background: radial-gradient(ellipse at 50% 30%, #3a1020 0%, var(--bg) 70%);
  transition: opacity 1.4s ease, visibility 1.4s;
}
#envelope-screen.gone { opacity: 0; visibility: hidden; pointer-events: none; }

.env-stars { position: absolute; inset: 0; overflow: hidden; }
.env-stars i {
  position: absolute; font-style: normal; color: var(--rose);
  animation: starfloat linear infinite; opacity: 0;
}
@keyframes starfloat {
  0% { transform: translateY(15vh) scale(.6); opacity: 0; }
  15% { opacity: .8; }
  100% { transform: translateY(-110vh) scale(1.1) rotate(25deg); opacity: 0; }
}

.env-hint {
  font-family: var(--script); font-size: clamp(1.7rem, 6vw, 2.6rem);
  color: var(--rose); text-align: center; z-index: 2;
  animation: softpulse 3s ease-in-out infinite;
}
@keyframes softpulse { 50% { opacity: .65; } }

.envelope {
  position: relative; width: min(320px, 82vw); aspect-ratio: 1.45;
  cursor: pointer; z-index: 2;
  animation: envfloat 4s ease-in-out infinite;
  transition: transform .4s cubic-bezier(.34,1.56,.64,1);
  -webkit-tap-highlight-color: transparent;
}
.envelope:hover { transform: scale(1.05); }
@keyframes envfloat { 50% { translate: 0 -12px; } }

.env-back, .env-front, .env-flap {
  position: absolute; inset: 0; border-radius: 10px;
}
.env-back { background: #8e1230; }
.env-front {
  top: auto; height: 62%;
  background: linear-gradient(160deg, #b81e42 0%, #8e1230 100%);
  clip-path: polygon(0 0, 50% 48%, 100% 0, 100% 100%, 0 100%);
  border-radius: 0 0 10px 10px; z-index: 3;
  box-shadow: 0 24px 60px rgba(0,0,0,.55);
}
.env-flap {
  height: 52%;
  background: linear-gradient(200deg, #d42a50 0%, #a01836 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  border-radius: 10px 10px 0 0;
  transform-origin: top center; z-index: 4;
  transition: transform 1s cubic-bezier(.6,0,.3,1), z-index 0s .5s;
}
.envelope.open .env-flap { transform: rotateX(180deg); z-index: 1; }

.env-letter {
  position: absolute; left: 6%; right: 6%; top: 8%; bottom: 12%;
  background: var(--cream); border-radius: 6px; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  transition: transform 1.1s cubic-bezier(.34,1.2,.5,1) .55s;
  box-shadow: 0 6px 24px rgba(0,0,0,.3);
}
.envelope.open .env-letter { transform: translateY(-58%); }
.env-letter p { opacity: 0; transition: opacity .7s ease .9s; }
.envelope.open .env-letter p { opacity: 1; }
.env-letter-script { font-family: var(--script); font-size: clamp(1.9rem, 7vw, 2.6rem); color: #a01836; }
.env-letter-sub { font-family: var(--sans); font-size: .85rem; letter-spacing: .25em; text-transform: uppercase; color: #c98a97; }

.env-seal {
  position: absolute; left: 50%; top: 46%; translate: -50% -50%;
  width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f0d9a0, var(--gold) 45%, #b8893d);
  display: grid; place-items: center; z-index: 5;
  color: #8e1230; font-size: 1.6rem;
  box-shadow: 0 4px 14px rgba(0,0,0,.45), inset 0 2px 4px rgba(255,255,255,.5);
  transition: opacity .5s, transform .5s;
}
.envelope.open .env-seal { opacity: 0; transform: scale(1.6) rotate(30deg); }

.env-tap {
  font-family: var(--sans); font-size: .8rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted); z-index: 2;
  animation: softpulse 2.2s ease-in-out infinite;
}

/* ═══════════ PARTÍCULAS Y PROGRESO ═══════════ */
#particles { position: fixed; inset: 0; z-index: 1; pointer-events: none; }
#progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--red), var(--gold));
  z-index: 60; border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px var(--red);
}

/* ═══════════ ESTRUCTURA ═══════════ */
#story { position: relative; z-index: 2; }
#story.hidden-start { display: none; }

.hero {
  min-height: 100dvh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 60px 24px 90px; gap: 14px;
  background: radial-gradient(ellipse at 50% 20%, rgba(200,16,46,.22) 0%, transparent 60%);
}
.hero-pre { font-family: var(--sans); font-size: .8rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted); }
.hero-title {
  font-family: var(--script); font-weight: 400;
  font-size: clamp(3.4rem, 13vw, 7.5rem);
  background: linear-gradient(120deg, var(--rose), var(--red) 45%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 30px rgba(230,57,86,.35));
  padding: 0 .3em .18em;
  line-height: 1.15;
}
.hero-for { font-size: clamp(1.3rem, 4.5vw, 1.9rem); font-style: italic; color: var(--cream); }
.hero-for strong { color: var(--rose); font-weight: 600; }
.hero-osita { font-size: clamp(1rem, 3.6vw, 1.25rem); color: var(--muted); font-style: italic; max-width: 34em; }
.hero-osita em { color: var(--gold); font-style: normal; font-weight: 600; }

.counter {
  display: flex; gap: clamp(10px, 4vw, 28px); margin-top: 26px;
  padding: 18px clamp(16px, 5vw, 40px);
  border: 1px solid rgba(247,168,184,.25); border-radius: 18px;
  background: rgba(43,13,24,.55); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.counter-item { display: flex; flex-direction: column; align-items: center; min-width: 3.2em; }
.counter-item span {
  font-family: var(--serif); font-size: clamp(1.7rem, 6.5vw, 2.6rem);
  font-weight: 600; color: var(--rose); font-variant-numeric: tabular-nums;
}
.counter-item label { font-family: var(--sans); font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.hero-counter-note { font-style: italic; color: var(--muted); font-size: .95rem; }

.scroll-hint {
  margin-top: 40px; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: .68rem; letter-spacing: .25em; text-transform: uppercase; color: var(--muted);
}
.scroll-hint span {
  width: 1px; height: 52px;
  background: linear-gradient(var(--red), transparent);
  animation: scrolldrop 1.8s ease-in-out infinite;
}
@keyframes scrolldrop { 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; } }

/* ═══════════ CAPÍTULOS ═══════════ */
.chapter { padding: clamp(70px, 12vh, 130px) clamp(18px, 5vw, 60px); max-width: 1250px; margin: 0 auto; }
.chapter-head { text-align: center; max-width: 46em; margin: 0 auto clamp(40px, 7vh, 70px); }
.chapter-num { font-family: var(--sans); font-size: .72rem; letter-spacing: .38em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.chapter-title {
  font-family: var(--script); font-weight: 400;
  font-size: clamp(2.5rem, 9vw, 4.4rem); color: var(--rose);
  line-height: 1.2; margin-bottom: 18px; padding: 0 .2em;
  text-shadow: 0 4px 30px rgba(230,57,86,.3);
}
.chapter-intro { font-style: italic; color: var(--muted); font-size: clamp(1.05rem, 3.5vw, 1.22rem); }
.chapter-head::after {
  content: "♥ ⋯ ♥ ⋯ ♥"; display: block; margin-top: 26px;
  color: var(--red); opacity: .5; font-size: .8rem; letter-spacing: .4em;
}

.gallery {
  display: grid; gap: clamp(16px, 3vw, 30px);
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
}
.moment { display: flex; flex-direction: column; }
.moment.big { grid-column: span 2; }
@media (max-width: 700px) { .moment.big { grid-column: span 1; } }

.moment .frame {
  position: relative; overflow: hidden; border-radius: 16px;
  background: var(--bg-2);
  box-shadow: 0 14px 44px rgba(0,0,0,.5);
  border: 1px solid rgba(247,168,184,.14);
}
.moment img, .moment video {
  display: block; width: 100%; height: 100%;
  object-fit: cover; aspect-ratio: 3/4;
  transition: transform .8s cubic-bezier(.2,.6,.2,1);
}
.moment.big img, .moment.big video { aspect-ratio: 4/3.4; }
.moment video[controls] { aspect-ratio: auto; max-height: 78vh; background: #000; object-fit: contain; }
@media (pointer: fine) {
  .moment img { cursor: zoom-in; }
  .moment:hover img { transform: scale(1.045); }
}
.moment .frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 62%, rgba(26,7,13,.55));
}
.moment .frame:has(video[controls])::after { display: none; }

.moment figcaption {
  padding: 16px 8px 4px; text-align: center;
  font-size: clamp(.98rem, 3.2vw, 1.08rem); font-style: italic; color: var(--cream);
  opacity: .92;
}
.moment figcaption::before { content: "— "; color: var(--red); }

.clip-sound {
  position: absolute; right: 12px; bottom: 12px; z-index: 3;
  width: 42px; height: 42px; border-radius: 50%; border: none;
  background: rgba(26,7,13,.65); color: var(--cream); font-size: 1.1rem;
  backdrop-filter: blur(6px); cursor: pointer;
  display: grid; place-items: center;
}

/* Separador entre capítulos */
.chapter + .chapter { position: relative; }
.chapter + .chapter::before {
  content: ""; position: absolute; top: 0; left: 50%; translate: -50%;
  width: min(340px, 60vw); height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,192,125,.5), transparent);
}

/* ═══════════ POEMA ═══════════ */
.poem-section { padding: clamp(80px, 14vh, 150px) 20px; display: flex; justify-content: center; }
.poem-frame {
  position: relative; max-width: 620px; width: 100%;
  padding: clamp(44px, 8vw, 70px) clamp(26px, 6vw, 60px);
  text-align: center; border-radius: 22px;
  background: linear-gradient(170deg, rgba(43,13,24,.9), rgba(26,7,13,.9));
  border: 1px solid rgba(232,192,125,.3);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 0 60px rgba(200,16,46,.08);
}
.poem-orn { position: absolute; left: 50%; translate: -50%; color: var(--gold); font-size: 1.5rem; opacity: .8; }
.poem-orn.top { top: 18px; } .poem-orn.bottom { bottom: 14px; }
.poem-title { font-family: var(--script); font-weight: 400; font-size: clamp(2.6rem, 9vw, 3.6rem); color: var(--gold); margin-bottom: 26px; }
.poem-body p { font-size: clamp(1.08rem, 3.8vw, 1.28rem); font-style: italic; margin-bottom: 22px; color: var(--cream); }
.poem-body em { color: var(--rose); }
.poem-sign { font-family: var(--script); font-size: 1.9rem; color: var(--rose); margin-top: 8px; }

/* ═══════════ FINAL ═══════════ */
.final-section {
  padding: clamp(70px, 12vh, 140px) 22px calc(140px + var(--safe-b));
  text-align: center; max-width: 760px; margin: 0 auto;
}
.final-letter {
  text-align: left; margin: 34px auto 44px;
  padding: clamp(30px, 6vw, 50px);
  background: var(--cream); color: #4a2030; border-radius: 4px 18px 4px 18px;
  font-size: clamp(1.02rem, 3.6vw, 1.18rem);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  transform: rotate(-.6deg);
}
.final-letter p { margin-bottom: 16px; }
.final-letter p:first-child { font-family: var(--script); font-size: 1.9rem; color: #a01836; }
.final-sign { font-family: var(--script); font-size: 1.8rem; color: #a01836; text-align: right; }

.love-btn {
  font-family: var(--sans); font-size: .85rem; letter-spacing: .18em; text-transform: uppercase;
  padding: 18px 34px; border-radius: 50px; border: none; cursor: pointer;
  color: #fff; background: linear-gradient(120deg, var(--red), var(--red-deep));
  box-shadow: 0 10px 34px rgba(230,57,86,.45);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
  -webkit-tap-highlight-color: transparent;
}
.love-btn:hover { transform: scale(1.07); box-shadow: 0 14px 44px rgba(230,57,86,.65); }
.love-btn:active { transform: scale(.96); }
.love-msg { margin-top: 22px; font-family: var(--script); font-size: clamp(1.6rem, 6vw, 2.3rem); color: var(--rose); min-height: 1.4em; }
.final-footer { margin-top: 70px; font-family: var(--sans); font-size: .68rem; letter-spacing: .25em; text-transform: uppercase; color: var(--muted); opacity: .7; }

/* ═══════════ REPRODUCTOR ═══════════ */
.music-dock {
  position: fixed; right: 16px; bottom: calc(16px + var(--safe-b)); z-index: 70;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 60px;
  background: rgba(43,13,24,.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(247,168,184,.25);
  box-shadow: 0 14px 44px rgba(0,0,0,.55);
  transition: opacity .6s, translate .6s;
  max-width: calc(100vw - 32px);
}
.music-dock.hidden { opacity: 0; translate: 0 90px; pointer-events: none; }
.disc {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: conic-gradient(from 0deg, #38111d, #6e1830, #38111d, #6e1830, #38111d);
  border: 2px solid var(--gold);
  display: grid; place-items: center; color: var(--rose); font-size: 1rem;
  animation: spin 5s linear infinite; animation-play-state: paused;
}
.music-dock.playing .disc { animation-play-state: running; }
@keyframes spin { to { rotate: 360deg; } }
.track-info { min-width: 0; max-width: 150px; }
.track-title { font-family: var(--sans); font-size: .78rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-sub { font-family: var(--sans); font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.controls { display: flex; gap: 4px; }
.controls button {
  width: 38px; height: 38px; border-radius: 50%; border: none; cursor: pointer;
  background: transparent; color: var(--cream); font-size: .95rem;
  transition: background .25s;
  -webkit-tap-highlight-color: transparent;
}
.controls button:hover { background: rgba(230,57,86,.25); }
#btn-play { background: var(--red); }

/* ═══════════ LIGHTBOX ═══════════ */
.lightbox {
  position: fixed; inset: 0; z-index: 90;
  display: grid; place-items: center; padding: 20px;
  background: rgba(15,3,8,.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
}
.lightbox.show { opacity: 1; visibility: visible; }
.lightbox figure { max-width: min(92vw, 900px); text-align: center; }
.lightbox img {
  max-width: 100%; max-height: 78dvh; border-radius: 14px;
  box-shadow: 0 30px 90px rgba(0,0,0,.7);
  transform: scale(.92); transition: transform .4s cubic-bezier(.34,1.3,.5,1);
}
.lightbox.show img { transform: scale(1); }
.lightbox figcaption { margin-top: 16px; font-style: italic; color: var(--rose); font-size: 1.05rem; }
.lb-close {
  position: absolute; top: calc(14px + env(safe-area-inset-top, 0px)); right: 18px;
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(230,57,86,.25); color: var(--cream); font-size: 1.1rem;
}

/* ═══════════ REVEALS ═══════════ */
.reveal, .moment, .chapter-head {
  opacity: 0; transform: translateY(46px);
  transition: opacity 1s cubic-bezier(.2,.6,.2,1), transform 1s cubic-bezier(.2,.6,.2,1);
}
.moment:nth-child(even) { transform: translateY(46px) rotate(.8deg); }
.moment:nth-child(odd) { transform: translateY(46px) rotate(-.8deg); }
.in-view { opacity: 1 !important; transform: translateY(0) rotate(0) !important; }

/* Corazones del botón final / cursor */
.burst-heart {
  position: fixed; z-index: 95; pointer-events: none;
  font-size: 22px; will-change: transform, opacity;
  animation: burst 1.6s cubic-bezier(.2,.6,.3,1) forwards;
}
@keyframes burst {
  0% { transform: translate(0,0) scale(.4) rotate(0); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(1.3) rotate(var(--rot)); opacity: 0; }
}

/* ═══════════ PC: detalles extra ═══════════ */
@media (min-width: 1000px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .chapter:nth-child(even) .chapter-head { text-align: left; margin-left: 0; }
  .chapter:nth-child(even) .chapter-head::after { text-align: left; }
  .moment .frame { transition: box-shadow .5s, border-color .5s; }
  .moment:hover .frame { box-shadow: 0 20px 60px rgba(200,16,46,.35); border-color: rgba(247,168,184,.4); }
}

/* Movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01s !important; transition-duration: .2s !important; }
}