/* ============================================
   Tarjeta digital de cumpleaños
   Paleta: rosado nude · beige · blanco cálido · dorado
   ============================================ */

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

:root {
  --nude-100:  #fdf4ee;
  --nude-200:  #f7e3d6;
  --nude-300:  #efc9b4;
  --beige:     #f5ead9;
  --warm-white:#fffaf3;
  --gold-100:  #e8cf9b;
  --gold:      #c9a35a;
  --gold-deep: #a8842f;
  --ink:       #5a3d34;
  --ink-soft:  #8c6a5c;
  --shadow-card: 0 40px 80px -30px rgba(120, 70, 50, 0.45);
}

html, body {
  min-height: 100vh;
  width: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 20% 10%, #ffe8d8 0%, transparent 60%),
    radial-gradient(900px 600px at 90% 90%, #f9d8c2 0%, transparent 55%),
    linear-gradient(160deg, #fdf1e7 0%, #f8e0cf 50%, #f3cdb8 100%);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   ESCENARIO
   ============================================ */
.stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* Canvas confeti — por debajo del mensaje pero por encima de la tarjeta */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
}

/* ============================================
   TARJETA CERRADA
   ============================================ */
.card {
  position: relative;
  width: min(360px, 92vw);
  height: min(520px, 78vh);
  border-radius: 22px;
  background:
    radial-gradient(circle at 30% 20%, #fff5ec 0%, transparent 60%),
    linear-gradient(160deg, #f9dccb 0%, #f3c2a8 100%);
  box-shadow: var(--shadow-card);
  padding: 32px;
  display: grid;
  place-items: center;
  z-index: 10;
  transition: transform 0.9s cubic-bezier(0.7, 0, 0.2, 1),
              opacity 0.6s ease 0.4s;
  transform-origin: center;
}

/* Estado abierto: la tarjeta se aleja y desaparece para dejar paso al mensaje */
.card.is-open {
  transform: scale(0.85) rotate(-4deg) translateY(20px);
  opacity: 0;
  pointer-events: none;
}

.cover-frame {
  width: 100%; height: 100%;
  border: 1px solid rgba(201, 163, 90, 0.55);
  border-radius: 14px;
  padding: 32px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.15), transparent);
}

.cover-eyebrow {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}

.cover-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: clamp(2.4rem, 8vw, 3.2rem);
  line-height: 1.05;
  color: var(--ink);
}

.divider {
  width: 70px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 22px 0;
  position: relative;
}
.divider::after {
  content: "✦";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold);
  background: #f6cdb6;
  padding: 0 6px;
  font-size: 0.7rem;
}
.divider.small { width: 50px; margin: 16px auto; }
.divider.small::after { background: var(--warm-white); }

.cover-cta {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 26px;
}

/* Botón Abrir tarjeta */
.open-btn {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--warm-white);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  border: none;
  padding: 14px 32px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 12px 25px -10px rgba(168, 132, 47, 0.6);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.open-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 30px -10px rgba(168, 132, 47, 0.7); }
.open-btn:active { transform: translateY(0); }

/* Sparkles decorativos */
.sparkle {
  position: absolute;
  color: var(--gold);
  opacity: 0.7;
  animation: twinkle 3s ease-in-out infinite;
}
.sparkle-1 { top: 14%; left: 18%; font-size: 14px; }
.sparkle-2 { top: 22%; right: 16%; font-size: 18px; animation-delay: 0.8s; }
.sparkle-3 { bottom: 18%; left: 22%; font-size: 12px; animation-delay: 1.6s; }
@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50%      { opacity: 1;   transform: scale(1.2); }
}

/* ============================================
   MENSAJE INTERIOR
   - Oculto solo visualmente al inicio (opacity/scale).
   - Se muestra con la clase .is-visible.
   - z-index alto: queda por encima del confeti y la tarjeta.
   ============================================ */
.message {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 30;            /* por encima del confeti (20) y la tarjeta (10) */
  opacity: 0;
  visibility: hidden;     /* no display:none — para poder animar */
  pointer-events: none;
  transition: opacity 0.8s ease, visibility 0s linear 0.8s;
}

.message.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.8s ease, visibility 0s linear 0s;
}

.message-inner {
  width: min(380px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  background:
    radial-gradient(circle at 70% 10%, #fff8ee 0%, transparent 60%),
    linear-gradient(170deg, var(--warm-white) 0%, var(--beige) 100%);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  text-align: center;
  border: 1px solid rgba(201, 163, 90, 0.35);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.message.is-visible .message-inner { transform: translateY(0) scale(1); }

/* Animación escalonada de los elementos interiores */
.message-inner > * {
  opacity: 0;
  transform: translateY(12px);
}
.message.is-visible .message-inner > * {
  animation: rise 0.7s ease forwards;
}
.message.is-visible .message-inner > *:nth-child(1) { animation-delay: 0.25s; }
.message.is-visible .message-inner > *:nth-child(2) { animation-delay: 0.40s; }
.message.is-visible .message-inner > *:nth-child(3) { animation-delay: 0.55s; }
.message.is-visible .message-inner > *:nth-child(4) { animation-delay: 0.70s; }
.message.is-visible .message-inner > *:nth-child(5) { animation-delay: 0.85s; }
.message.is-visible .message-inner > *:nth-child(6) { animation-delay: 1.00s; }
.message.is-visible .message-inner > *:nth-child(7) { animation-delay: 1.15s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.inside-eyebrow {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--gold-deep);
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.inside-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  font-size: clamp(1.8rem, 6vw, 2.2rem);
  color: var(--ink);
  line-height: 1.1;
}

.inside-text {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 14px;
  font-weight: 300;
}
.inside-text.soft { font-size: 0.88rem; margin-top: 16px; }

.gift-box {
  margin-top: 18px;
  padding: 18px 22px;
  border: 1px solid var(--gold);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(232,207,155,0.30), rgba(255,255,255,0.5));
  box-shadow: 0 10px 25px -15px rgba(168, 132, 47, 0.5);
  position: relative;
}
.gift-box::before, .gift-box::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border: 1px solid var(--gold);
}
.gift-box::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.gift-box::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.gift-label {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 6px;
}
.gift-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}
.gift-title em { color: var(--gold-deep); font-weight: 600; }

.inside-closing {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.55;
}
.hug {
  font-weight: 600;
  color: var(--gold-deep);
  font-style: normal;
  letter-spacing: 0.05em;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 380px) {
  .card { height: 75vh; }
  .cover-frame { padding: 22px 16px; }
  .message-inner { padding: 24px 18px; }
  .gift-box { padding: 14px 18px; }
  .open-btn { padding: 12px 26px; font-size: 0.9rem; }
}