/* =========================================================
   INVITACIÓN DIGITAL — XV Años "Isabella"
   DEMO · ND Creativos · plantilla esencial (sin intro/video)
   Estética: vino oscuro + rosa dorado, elegante y juvenil
   ========================================================= */

:root {
  --wine-deep:  #1F0F19;
  --wine:       #2E1726;
  --plum:       #45253A;
  --rose:       #D7A192;
  --rose-light: #EFC6BD;
  --champagne:  #E7CDA6;
  --cream:      #F6E7E0;
  --beige:      #E0C4BC;
  --muted:      #B68F8A;

  --font-serif:  'Cinzel', serif;
  --font-script: 'Tangerine', cursive;
  --font-sans:   'Mulish', sans-serif;

  --max-width: 560px;
  --radius-lg: 22px;
  --radius-md: 15px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

body {
  margin: 0;
  width: 100%;
  max-width: 100vw;
  background: radial-gradient(circle at 50% 0%, var(--wine) 0%, var(--wine-deep) 60%, #140810 100%);
  color: var(--cream);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { margin: 0; padding: 0; }

.invitation {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow-x: clip;
  background: linear-gradient(180deg, rgba(69,37,58,0.4), rgba(31,15,25,0.88));
  box-shadow: 0 0 80px rgba(0,0,0,0.6);
}

/* ============ Partículas (destellos rosa-dorado) ============ */
.particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute;
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--rose-light);
  opacity: 0.35; filter: blur(0.4px);
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  from { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.5; }
  90% { opacity: 0.3; }
  to { transform: translateY(-110vh) translateX(14px); opacity: 0; }
}

/* ============ Tipografía ============ */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--rose); font-weight: 600; margin: 0 0 0.7rem;
}
.eyebrow--center { text-align: center; }

.section-title {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 1.35rem; letter-spacing: 0.06em;
  text-align: center; color: var(--champagne); margin: 0 0 1.6rem;
}

/* ============ Botones ============ */
.btn {
  display: inline-block; font-family: var(--font-sans);
  font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 700; padding: 0.95rem 2.2rem; border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.btn--primary {
  background: linear-gradient(135deg, var(--rose-light), var(--rose));
  color: var(--wine-deep); box-shadow: 0 8px 26px rgba(215,161,146,0.32);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(215,161,146,0.46); }
.btn--large { padding: 1.05rem 2.8rem; font-size: 0.8rem; }
.btn--outline { background: transparent; border: 1px solid var(--rose); color: var(--rose-light); }
.btn--outline:hover { background: rgba(215,161,146,0.12); transform: translateY(-2px); }

/* ============ Ornamentos ============ */
.divider { width: 130px; height: 26px; color: var(--rose); opacity: 0.7; display: block; margin: 0 auto 1.4rem; }
.flourish {
  position: absolute; width: 70px; height: 130px; color: var(--rose); opacity: 0.4; z-index: 0;
}
.flourish--tl { top: 8px; left: -4px; }
.flourish--tr { top: 8px; right: -4px; transform: scaleX(-1); }

/* ============ HERO ============ */
.hero {
  position: relative; display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 3.6rem 1.6rem 2.6rem; overflow: hidden;
}
.hero__glow {
  position: absolute; top: -10%; left: 50%; width: 140%; height: 60%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(215,161,146,0.22), transparent 65%);
  filter: blur(22px); pointer-events: none; z-index: 0;
}
.hero__content { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.hero__pre { font-family: var(--font-script); font-size: 3rem; color: var(--rose-light); margin: 0; line-height: 0.9; }
.hero__name {
  font-family: var(--font-serif); font-weight: 600; font-size: 2.9rem; letter-spacing: 0.05em;
  color: var(--champagne); margin: 0.6rem 0 0.2rem;
  text-shadow: 0 2px 26px rgba(231,205,166,0.25);
}
.hero__age {
  font-family: var(--font-serif); font-size: 0.78rem; letter-spacing: 0.42em;
  text-transform: uppercase; color: var(--rose); margin: 0.2rem 0 1.4rem;
}
.hero__date {
  font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 1.8rem; display: flex; align-items: center; gap: 0.9rem;
}
.hero__date::before, .hero__date::after { content: ""; width: 24px; height: 1px; background: var(--rose); opacity: 0.6; }

.guest-card {
  background: rgba(215,161,146,0.08); border: 1px solid rgba(215,161,146,0.4);
  border-radius: var(--radius-md); padding: 1.4rem; backdrop-filter: blur(3px);
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.guest-card__greeting { margin: 0; font-size: 0.66rem; color: var(--muted); letter-spacing: 0.22em; text-transform: uppercase; }
.guest-card__name { margin: 0; font-family: var(--font-script); font-size: 3.2rem; color: var(--champagne); line-height: 1; }
.guest-card__text { margin: 0.2rem 0 0; font-size: 0.82rem; color: var(--beige); max-width: 280px; }

/* ============ Secciones ============ */
.section { position: relative; padding: 2.6rem 1.7rem; z-index: 1; overflow: hidden; }
.section + .section::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 54px; height: 1px; background: linear-gradient(90deg, transparent, var(--rose), transparent); opacity: 0.6;
}

/* ============ Countdown ============ */
.section--count { text-align: center; }
.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.7rem; max-width: 420px; margin: 0 auto; }
.count-box {
  background: rgba(246,231,224,0.04); border: 1px solid rgba(215,161,146,0.3);
  border-radius: var(--radius-md); padding: 1.1rem 0.4rem;
}
.count-box__num { font-family: var(--font-serif); font-weight: 600; font-size: 1.9rem; color: var(--champagne); line-height: 1; }
.count-box__label { font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-top: 0.5rem; }
.count-done { font-family: var(--font-script); font-size: 2.6rem; color: var(--rose-light); }

/* ============ Nota ============ */
.section--note { text-align: center; }
.note-text { font-size: 1.05rem; color: var(--beige); max-width: 440px; margin: 0 auto 1.3rem; }
.note-text em { color: var(--champagne); font-style: italic; }
.note-signature { font-family: var(--font-script); font-size: 2.6rem; color: var(--rose-light); margin-top: 1.2rem; line-height: 1; }

.photo-slot {
  width: 220px; height: 220px; margin: 1.8rem auto 1.6rem; border-radius: 50%;
  border: 1px solid rgba(215,161,146,0.5);
  background: linear-gradient(160deg, rgba(69,37,58,0.6), rgba(31,15,25,0.6));
  display: flex; align-items: center; justify-content: center; position: relative;
  box-shadow: 0 10px 34px rgba(0,0,0,0.45);
}
.photo-slot::after {
  content: "Foto de la quinceañera"; position: absolute; bottom: -1.7rem; left: 0; right: 0;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.photo-slot svg { width: 56px; height: 56px; color: var(--rose); opacity: 0.6; }
.photo-slot img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

/* ============ Detalles (misa / recepción) ============ */
.split { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.place-card {
  background: rgba(246,231,224,0.04); border: 1px solid rgba(215,161,146,0.3);
  border-radius: var(--radius-lg); padding: 1.8rem 1.4rem; text-align: center;
}
.place-card__icon {
  width: 46px; height: 46px; border-radius: 50%; background: rgba(215,161,146,0.14);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 0.9rem;
}
.place-card__icon svg { width: 22px; height: 22px; color: var(--champagne); }
.place-card__kind { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--rose); margin: 0 0 0.4rem; }
.place-card__venue { font-family: var(--font-serif); font-weight: 600; font-size: 1.1rem; letter-spacing: 0.03em; color: var(--champagne); margin: 0 0 0.3rem; }
.place-card__time { font-size: 0.9rem; color: var(--cream); margin: 0 0 0.2rem; }
.place-card__addr { font-size: 0.82rem; color: var(--muted); margin: 0 0 1.1rem; }

/* ============ Itinerario ============ */
.section--timeline { text-align: center; }
.timeline { list-style: none; max-width: 360px; margin: 0 auto; text-align: left; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 13px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(180deg, transparent, var(--rose), transparent); opacity: 0.7;
}
.timeline li { position: relative; padding: 0 0 1.4rem 2.6rem; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: 8px; top: 4px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--wine); border: 2px solid var(--rose);
}
.timeline__time { font-family: var(--font-serif); font-weight: 600; color: var(--rose-light); font-size: 0.95rem; letter-spacing: 0.03em; }
.timeline__label { font-size: 0.95rem; color: var(--beige); }

/* ============ Dress code ============ */
.dress { text-align: center; max-width: 420px; margin: 0 auto; }
.dress__code { font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: 0.04em; color: var(--champagne); margin: 0.6rem 0; }
.dress__note { font-size: 0.92rem; color: var(--muted); }
.dress__reserve {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.2rem;
  padding: 0.6rem 1.2rem; border: 1px solid rgba(215,161,146,0.4); border-radius: 999px;
  font-size: 0.78rem; color: var(--rose-light);
}
.dress__swatch { width: 14px; height: 14px; border-radius: 50%; background: #6E1F38; border: 1px solid var(--rose); }

/* ============ CTA ============ */
.section--cta { text-align: center; background: linear-gradient(180deg, transparent, rgba(69,37,58,0.5)); }
.cta-text { font-size: 1rem; color: var(--beige); max-width: 410px; margin: 0 auto 0.9rem; }
.cta-text strong { color: var(--champagne); }
.cta-deadline { font-size: 0.82rem; color: var(--muted); margin-bottom: 1.4rem; }

/* ============ Cierre ============ */
.section--closing { text-align: center; padding-bottom: 3.4rem; }
.closing-name { font-family: var(--font-serif); font-weight: 600; font-size: 1.6rem; letter-spacing: 0.08em; color: var(--champagne); margin: 0 0 0.4rem; }
.closing-phrase { font-family: var(--font-script); font-size: 3rem; color: var(--rose-light); margin: 0.2rem 0 1rem; line-height: 0.9; }
.closing-sub { font-size: 0.66rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); }

/* ============ WhatsApp flotante ============ */
.float-whatsapp {
  position: fixed; bottom: 22px; right: 22px; width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--rose-light), var(--rose));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 26px rgba(0,0,0,0.45); z-index: 50; transition: transform 0.25s ease;
}
.float-whatsapp:hover { transform: scale(1.08); }
.float-whatsapp svg { width: 28px; height: 28px; color: var(--wine-deep); }

/* ============ Animaciones ============ */
.fade-in-up { opacity: 0; transform: translateY(22px); transition: opacity 0.9s ease, transform 0.9s ease; }
.fade-in-up.is-visible { opacity: 1; transform: translateY(0); }

/* ============ Desktop ============ */
@media (min-width: 700px) {
  body { padding: 3rem 1rem; }
  .invitation { border-radius: 26px; overflow: hidden; border: 1px solid rgba(215,161,146,0.2); }
  .hero__name { font-size: 3.4rem; }
  .section { padding: 3rem 2.6rem; }
  .split { grid-template-columns: 1fr 1fr; }
  .float-whatsapp { right: calc(50% - 280px - 80px); }
}

@media (max-width: 380px) {
  .hero__name { font-size: 2.3rem; }
  .countdown { gap: 0.45rem; }
  .count-box { padding: 0.9rem 0.2rem; }
  .count-box__num { font-size: 1.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .fade-in-up { opacity: 1; transform: none; }
}