/* ══════════════════════════════════════════════════════
   PARA TI — styles.css
   Paleta pastel con contraste distintivo
   ══════════════════════════════════════════════════════ */

:root {
  --cream:   #fdf6ee;
  --cream2:  #fce8d8;
  --warm:    #e8cdb0;
  --paper:   #ffffff;
  --ink:     #2e2318;
  --ink2:    #5c4a38;
  --ink3:    #967c66;
  --gold:    #d4903a;
  --gold2:   #e8aa58;
  --rose:    #d4706a;
  --sage:    #5a9a7a;
  --sky:     #4a7eaa;
  --shadow:  rgba(80,55,30,0.14);
  --r: 20px;
  --t: 0.55s cubic-bezier(0.25, 1, 0.5, 1);

  /* Colores pastel de acento — distintos entre sí */
  --pastel-gold-bg:  #fde8c0;
  --pastel-rose-bg:  #fad4d0;
  --pastel-sage-bg:  #c8e8d8;
  --pastel-sky-bg:   #c8dff0;
  --pastel-lavender: #ddd0f0;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

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

/* Grain sutil */
.grain {
  position: fixed; inset: 0; z-index: 900;
  pointer-events: none; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

#bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.35;
}

/* ══════════════════════════════
   PORTADA — fondo pastel medio
══════════════════════════════ */
.s-portada {
  position: relative; z-index: 1;
  min-height: 100vh;
  background: #c8b8d8; /* lavanda pastel medio */
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.s-portada::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 38%, rgba(253,232,192,.45) 0%, transparent 70%),
    radial-gradient(ellipse 40% 35% at 18% 78%, rgba(250,212,208,.35) 0%, transparent 65%);
}

.portada-inner {
  position: relative; z-index: 2;
  text-align: center; padding: 48px 28px;
  display: flex; flex-direction: column;
  align-items: center; gap: 0;
}

.portada-eyebrow {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #5a3a7a;
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s ease forwards;
}
.portada-nombre {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: clamp(3.8rem, 11vw, 7.5rem);
  color: #2e2318;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
  opacity: 0;
  animation: fadeUp 0.9s 0.5s ease forwards;
}
.portada-sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: rgba(46,35,24,.70);
  line-height: 1.75;
  margin-bottom: 38px;
  opacity: 0;
  animation: fadeUp 0.9s 0.7s ease forwards;
}
.portada-divider {
  width: 52px; height: 1px;
  background: var(--gold);
  margin-bottom: 38px;
  opacity: 0;
  animation: fadeUp 0.8s 0.85s ease forwards;
}
.portada-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gold);           /* botón sólido dorado */
  border: 2px solid var(--gold);
  color: #ffffff;
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 34px;
  border-radius: 60px;
  cursor: pointer;
  transition: all var(--t);
  opacity: 0;
  animation: fadeUp 0.8s 1.0s ease forwards;
}
.portada-cta svg { width: 15px; transition: transform var(--t); }
.portada-cta:hover {
  background: var(--gold2);
  border-color: var(--gold2);
  transform: translateY(4px);
}
.portada-cta:hover svg { transform: translateY(5px); }

.deco-year {
  position: absolute;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: clamp(90px, 20vw, 220px);
  color: rgba(90,58,122,.10);
  bottom: -30px; left: -10px;
  line-height: 1; pointer-events: none; user-select: none;
}
.deco-star {
  position: absolute;
  font-size: clamp(50px, 12vw, 140px);
  color: rgba(90,58,122,.10);
  top: 32px; right: 44px;
  pointer-events: none; user-select: none;
}

/* ══════════════════════════════
   PÁGINA PRINCIPAL
══════════════════════════════ */
.pagina {
  position: relative; z-index: 1;
  display: none;
}
.pagina.visible { display: block; }

/* ══════════════════════════════
   CARTA DE PAPEL — fondo rosado pastel
══════════════════════════════ */
.s-carta {
  background: #f0d8d0; /* rosa salmón pastel — contrasta con paper blanco */
  padding: 72px 24px 80px;
}

.carta-papel {
  max-width: 680px;
  margin: 0 auto;
  background: var(--paper);
  border-radius: var(--r);
  padding: 60px 64px 52px;
  box-shadow:
    0 40px 100px rgba(80,55,30,.22),
    0 0 0 1px rgba(255,255,255,.9),
    inset 0 1px 0 rgba(255,255,255,1);
  position: relative;
  overflow: hidden;
}

/* Línea de color arriba */
.carta-papel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--rose) 50%, var(--sage) 100%);
}

/* Textura de líneas de cuaderno */
.carta-papel::after {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    transparent,
    transparent 31px,
    rgba(80,55,30,.045) 31px,
    rgba(80,55,30,.045) 32px
  );
  background-position: 0 72px;
  pointer-events: none;
  border-radius: var(--r);
}

.carta-membrete {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 44px;
  position: relative; z-index: 1;
}
.membrete-icon { font-size: 1.5rem; }
.membrete-linea {
  flex: 1; height: 1px;
  background: var(--warm);
}
.membrete-fecha {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink3);
}

.carta-saludo {
  font-family: 'Dancing Script', cursive;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  color: var(--gold);
  margin-bottom: 32px;
  position: relative; z-index: 1;
}

.carta-cuerpo {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  gap: 22px;
}

.carta-parrafo {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.95;
  color: var(--ink2);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.carta-parrafo.visible { opacity: 1; transform: translateY(0); }
.carta-parrafo em { font-style: italic; color: var(--rose); }
.carta-parrafo strong { font-weight: 600; color: var(--ink); }

.carta-cierre {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--warm);
  text-align: right;
  position: relative; z-index: 1;
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.carta-cierre.visible { opacity: 1; transform: translateY(0); }

.cierre-texto {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink3);
  margin-bottom: 10px;
}
.cierre-firma {
  font-family: 'Dancing Script', cursive;
  font-size: 2.1rem;
  color: var(--ink);
}

/* ══════════════════════════════
   CAPÍTULOS — fondo verde sage pastel
══════════════════════════════ */
.s-capitulos {
  background: #c8e4d8; /* sage pastel — distinto de la portada y la carta */
  padding: 72px 24px;
  text-align: center;
}

.capitulos-eyebrow {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #2e6050;
  margin-bottom: 36px;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.capitulos-eyebrow.visible { opacity: 1; transform: translateY(0); }

.capitulos-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 700px;
  margin: 0 auto;
}

.cap-btn {
  display: flex; align-items: center; gap: 10px;
  background: #ffffff;             /* blanco puro sobre fondo sage */
  border: 2px solid #a0ccb8;
  color: var(--ink2);
  font-family: 'Lato', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 14px 26px;
  border-radius: 60px;
  cursor: pointer;
  transition: all var(--t);
  box-shadow: 0 3px 12px rgba(46,96,80,.15);
  opacity: 0; transform: translateY(16px);
}
.cap-btn .cap-icon { font-size: 1.1rem; transition: transform var(--t); }
.cap-btn:hover {
  background: var(--sage);
  border-color: var(--sage);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(90,154,122,.35);
  transform: translateY(-3px);
}
.cap-btn:hover .cap-icon { transform: scale(1.25); }
.cap-btn.activo {
  background: var(--sage);
  border-color: var(--sage);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(90,154,122,.40);
}

/* ══════════════════════════════
   PANELES — fondo cream claro
══════════════════════════════ */
.paneles { background: var(--cream); }

.panel {
  display: none;
  padding: 80px 24px;
  animation: panelIn 0.6s ease forwards;
}
.panel.abierto { display: block; }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-inner {
  max-width: 680px;
  margin: 0 auto;
}

.panel-titulo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  line-height: 1.15;
}
.panel-titulo span { color: var(--gold); }

.panel-sub {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink3);
  letter-spacing: 0.08em;
  margin-bottom: 52px;
  text-transform: uppercase;
}

/* Panel fortalezas */
.fort-lista {
  display: flex; flex-direction: column;
  gap: 0;
}
.fort-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid rgba(80,55,30,.10);
  opacity: 0; transform: translateX(-18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fort-item:last-child { border-bottom: none; }
.fort-item.visible { opacity: 1; transform: translateX(0); }

.fort-icono {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--pastel-sky-bg);   /* azul cielo pastel */
  border: 2px solid #8abcd8;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.45rem;
  flex-shrink: 0;
  margin-top: 2px;
  transition: transform 0.4s cubic-bezier(.34,1.56,.64,1), background 0.3s;
}
.fort-item:hover .fort-icono {
  transform: scale(1.15) rotate(6deg);
  background: var(--sky);
}
.fort-nombre {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.fort-desc {
  font-size: 0.92rem;
  color: var(--ink2);
  line-height: 1.75;
  font-weight: 300;
}

/* Panel momentos */
.momentos-lista {
  display: flex; flex-direction: column;
  gap: 24px;
}
.momento-item {
  background: var(--paper);
  border-left: 4px solid var(--rose);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 26px 30px;
  box-shadow: 3px 4px 20px var(--shadow);
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s;
  position: relative;
}
.momento-item.visible { opacity: 1; transform: translateY(0); }
.momento-item:hover { box-shadow: 4px 6px 28px rgba(80,55,30,.18); transform: translateY(-2px); }

.momento-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--rose);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.momento-texto {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink2);
  line-height: 1.75;
}

/* Panel dedicatoria */
.dedicatoria-box {
  background: var(--pastel-lavender); /* lavanda pastel */
  border: 2px solid #b8a8d8;
  border-radius: var(--r);
  padding: 48px 44px;
  box-shadow: 0 20px 60px var(--shadow);
  position: relative; overflow: hidden;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.dedicatoria-box.visible { opacity: 1; transform: translateY(0); }
.dedicatoria-box::before {
  content: '❝';
  position: absolute; top: -8px; left: 24px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 6rem;
  color: #9080c0;
  opacity: 0.20;
  line-height: 1;
}
.dedicatoria-texto {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  line-height: 1.9;
  color: #3a2e5a;
  position: relative; z-index: 1;
}

/* Panel logros */
.logros-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}
.logro-card {
  background: var(--paper);
  border: 2px solid var(--warm);
  border-radius: var(--r);
  padding: 28px 22px;
  text-align: center;
  box-shadow: 2px 4px 18px var(--shadow);
  opacity: 0; transform: translateY(20px) scale(0.97);
  transition: opacity 0.55s ease, transform 0.55s ease, box-shadow 0.3s, border-color 0.3s;
}
.logro-card.visible { opacity: 1; transform: translateY(0) scale(1); }
.logro-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 4px 8px 28px rgba(212,144,58,.28);
  border-color: var(--gold);
}
.logro-emoji { font-size: 2.2rem; margin-bottom: 12px; display: block; }
.logro-titulo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.logro-desc {
  font-size: 0.83rem;
  color: var(--ink3);
  line-height: 1.6;
  font-weight: 300;
}

/* Panel consejo */
.consejos-lista {
  display: flex; flex-direction: column;
  gap: 20px;
}
.consejo-item {
  display: flex; gap: 20px; align-items: flex-start;
  opacity: 0; transform: translateX(-18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.consejo-item.visible { opacity: 1; transform: translateX(0); }
.consejo-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  flex-shrink: 0;
  min-width: 32px;
}
.consejo-texto {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  line-height: 1.78;
  color: var(--ink2);
  padding-top: 4px;
}

/* ══════════════════════════════
   FINAL — fondo azul cielo pastel
══════════════════════════════ */
.s-final {
  background: #b8d4e8; /* azul cielo pastel — distinto de todo lo anterior */
  padding: 100px 24px 110px;
  text-align: center;
}
.final-inner {
  max-width: 560px;
  margin: 0 auto;
  display: flex; flex-direction: column;
  align-items: center; gap: 0;
}
.final-frase {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: #1a3050;
  line-height: 1.55;
  margin-bottom: 28px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.final-frase.visible { opacity: 1; transform: translateY(0); }
.final-sep {
  color: #2a5080;
  font-size: 1rem;
  margin-bottom: 22px;
  opacity: 0;
  transition: opacity 0.6s 0.2s ease;
}
.final-sep.visible { opacity: 0.7; }
.final-sub {
  font-size: 0.9rem;
  color: rgba(26,48,80,.65);
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  opacity: 0; transition: opacity 0.7s 0.3s ease;
}
.final-sub.visible { opacity: 1; }
.final-firma {
  font-family: 'Dancing Script', cursive;
  font-size: 2rem;
  color: #1a3050;
  margin-bottom: 52px;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.7s 0.45s ease, transform 0.7s 0.45s ease;
}
.final-firma.visible { opacity: 1; transform: translateY(0); }

.btn-celebrar {
  background: var(--gold);           /* dorado sólido — contrasta sobre el azul cielo */
  border: none;
  color: #ffffff;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  padding: 15px 36px;
  border-radius: 60px;
  cursor: pointer;
  margin-bottom: 14px;
  transition: all var(--t);
  box-shadow: 0 6px 26px rgba(212,144,58,.50);
}
.btn-celebrar:hover {
  background: var(--gold2);
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 34px rgba(212,144,58,.60);
}
.btn-imprimir {
  background: #ffffff;               /* blanco sobre azul — claramente visible */
  border: 2px solid #7aaccc;
  color: #1a4060;
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 13px 30px;
  border-radius: 60px;
  cursor: pointer;
  transition: all var(--t);
  display: block;
}
.btn-imprimir:hover {
  background: var(--sky);
  border-color: var(--sky);
  color: #ffffff;
}

/* ══════════════════════════════
   ANIMATIONS
══════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Confetti */
.confetti-bit {
  position: fixed; pointer-events: none; z-index: 9000;
  animation: cFall var(--cd, 3.2s) ease-out forwards;
}
@keyframes cFall {
  0%   { opacity:1; transform: translateY(-10px) rotate(0deg) translateX(0); }
  100% { opacity:0; transform: translateY(100vh) rotate(560deg) translateX(var(--cx,0px)); }
}

/* ══════════════════════════════
   PRINT
══════════════════════════════ */
@media print {
  .s-portada, .s-capitulos, .paneles,
  .s-final, #bg-canvas, .grain,
  .btn-celebrar, .btn-imprimir { display: none !important; }
  .pagina { display: block !important; }
  .s-carta { background: white !important; padding: 20px 0; }
  .carta-papel { box-shadow: none; border-radius: 0; }
  .carta-parrafo, .carta-cierre { opacity: 1 !important; transform: none !important; }
  body { background: white; }
}

@media (max-width: 600px) {
  .carta-papel { padding: 36px 26px 32px; }
  .fort-item { grid-template-columns: 44px 1fr; gap: 14px; }
  .dedicatoria-box { padding: 32px 24px; }
  .logros-grid { grid-template-columns: 1fr 1fr; }
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--cream2); }
::-webkit-scrollbar-thumb { background: var(--warm); border-radius: 10px; }