/* ============================================================
   BASE — reset + tipografía base + utilidades
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--line-relaxed);
  color: var(--ink-deep);
  background: var(--cream-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img, svg { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

button { font: inherit; cursor: pointer; border: 0; background: transparent; }

::selection {
  background: var(--sunset-rose);
  color: var(--white-pure);
}

/* ======================================================
   SLIDE SHELL
   Cada slide = viewport completo, centrado.
   ====================================================== */

.slide {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: var(--space-5) var(--slide-px-mobile);
  overflow: hidden;
  isolation: isolate;
}

.slide__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--slide-content);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.slide__content--left { align-items: flex-start; text-align: left; }

.slide__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: var(--text-title);
  line-height: var(--line-tight);
  letter-spacing: var(--letter-tight);
  color: var(--ink-deep);
}

.slide__title--hero {
  font-size: var(--text-hero);
}

.slide__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-subtitle);
  font-weight: 400;
  line-height: var(--line-snug);
  color: var(--ink-soft);
  max-width: 42ch;
}

.slide__lead {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--line-relaxed);
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ======================================================
   TEMA OSCURO (slides sobre sunset / magenta)
   ====================================================== */

.slide--dark {
  background: var(--grad-sunset);
  color: var(--white-pure);
}
.slide--dark .slide__title,
.slide--dark .slide__subtitle,
.slide--dark .slide__lead { color: var(--white-pure); }
.slide--dark .slide__subtitle { color: var(--white-translucent); }

.slide--magenta {
  background: var(--grad-magenta-deep);
  color: var(--white-pure);
}
.slide--magenta .slide__title,
.slide--magenta .slide__subtitle,
.slide--magenta .slide__lead { color: var(--white-pure); }

/* ======================================================
   KICKER — etiqueta sobre título
   ====================================================== */

.kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: var(--letter-wide);
  color: var(--gold-terracotta);
  font-weight: 500;
  padding: 0.45rem 1.1rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-full);
}

.kicker--plain {
  border: 0;
  padding: 0;
}

.slide--dark .kicker,
.slide--magenta .kicker {
  color: var(--gold-light);
}

/* ======================================================
   GOLD DIVIDER — línea fina con shine animado
   ====================================================== */

.gold-divider {
  width: 64px;
  height: 1px;
  background: var(--gold-gradient);
  margin: var(--space-3) auto;
  position: relative;
  overflow: hidden;
}
.gold-divider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  animation: shine 3s ease-in-out infinite;
}

/* ======================================================
   NUMERAL MEGA — número gigante como watermark
   ====================================================== */

.numeral-mega {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: var(--text-mega);
  background: var(--grad-sunset);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 0.9;
  opacity: 0.95;
}

/* ======================================================
   MANDALA ORB — fondo atmosférico blur
   ====================================================== */

.mandala-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(80vw, 900px);
  aspect-ratio: 1;
  background: var(--grad-sunset);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.32;
  z-index: 0;
  pointer-events: none;
  animation: mandala-breathe 12s ease-in-out infinite;
}
.mandala-orb--soft { opacity: 0.18; }
.mandala-orb--top-right { top: -10%; left: auto; right: -15%; transform: none; width: min(60vw, 600px); }
.mandala-orb--bottom-left { top: auto; bottom: -15%; left: -10%; transform: none; width: min(60vw, 600px); }

.slide--magenta .mandala-orb {
  background: radial-gradient(circle, var(--sunset-orange) 0%, var(--sunset-magenta) 70%);
  opacity: 0.28;
}

/* ======================================================
   MANDALA SVG (hero / cierre)
   ====================================================== */

.mandala-svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vmin, 700px);
  opacity: 0.55;
  z-index: 0;
  pointer-events: none;
  animation: mandala-rotate 60s linear infinite;
}

/* ======================================================
   CARD
   ====================================================== */

.card {
  background: var(--white-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(200, 155, 96, 0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow:
    0 1px 2px rgba(43, 24, 16, 0.04),
    0 8px 32px rgba(160, 38, 100, 0.06);
}

.card--dark {
  background: rgba(43, 24, 16, 0.35);
  border-color: rgba(229, 199, 149, 0.3);
}

/* ======================================================
   LIST ELEGANT — numerales dorados en italic
   ====================================================== */

.list-elegant {
  padding: 0;
  display: grid;
  gap: var(--space-3);
  width: 100%;
  max-width: 680px;
  text-align: left;
}
.list-elegant li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: baseline;
}
.list-elegant .num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.9rem;
  color: var(--gold-terracotta);
  line-height: 1;
  min-width: 2.5ch;
}
.list-elegant p {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--line-snug);
  color: var(--ink-deep);
}
.slide--dark .list-elegant p,
.slide--magenta .list-elegant p { color: var(--white-pure); }
.slide--dark .list-elegant .num,
.slide--magenta .list-elegant .num { color: var(--gold-light); }

/* ======================================================
   A → B SPLIT
   ====================================================== */

.ab-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-3);
  align-items: center;
  width: 100%;
  max-width: 900px;
}
.ab-row {
  display: contents;
}
.ab-side {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  text-align: left;
}
.ab-from {
  opacity: 0.72;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--line-snug);
}
.ab-to {
  background: var(--grad-sunset-soft);
  color: var(--ink-deep);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: var(--text-lead);
  line-height: var(--line-snug);
}
.ab-arrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--gold-terracotta);
  line-height: 1;
}
.ab-label {
  display: block;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: var(--letter-wide);
  font-size: var(--text-caption);
  color: var(--ink-muted);
  margin-bottom: var(--space-1);
  font-weight: 500;
}

@media (max-width: 720px) {
  .ab-split { grid-template-columns: 1fr; gap: var(--space-2); }
  .ab-arrow { transform: rotate(90deg); margin: 0 auto; font-size: 1.8rem; }
}

/* ======================================================
   CTA
   ====================================================== */

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-lead);
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft),
              box-shadow var(--dur-fast) var(--ease-soft);
  text-decoration: none;
  line-height: 1;
}
.cta-primary {
  background: var(--grad-sunset);
  color: var(--white-pure);
  box-shadow: 0 10px 30px rgba(201, 65, 120, 0.35);
}
.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(201, 65, 120, 0.45);
}
.cta-whatsapp {
  background: var(--whatsapp-green);
  color: var(--white-pure);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}
.cta-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.4);
}
.cta-ghost {
  background: transparent;
  color: var(--ink-deep);
  border: 1px solid var(--gold-terracotta);
}
.cta-ghost:hover {
  background: var(--gold-terracotta);
  color: var(--white-pure);
  transform: translateY(-2px);
}

/* ======================================================
   SLIDE NAV (footer)
   ====================================================== */

.slide-nav {
  position: fixed;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.5rem 1rem;
  background: var(--white-translucent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(200, 155, 96, 0.24);
  border-radius: var(--radius-full);
  box-shadow: 0 6px 24px rgba(43, 24, 16, 0.08);
  z-index: 50;
  font-family: var(--font-body);
}
.slide-nav a {
  display: inline-flex;
  width: 2.4rem;
  height: 2.4rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--ink-deep);
  transition: background var(--dur-fast) var(--ease-soft),
              color var(--dur-fast) var(--ease-soft);
  font-size: 1.2rem;
}
.slide-nav a:hover {
  background: var(--gold-terracotta);
  color: var(--white-pure);
}
.slide-nav a[aria-disabled="true"] {
  opacity: 0.3;
  pointer-events: none;
}
.slide-counter {
  font-size: var(--text-caption);
  letter-spacing: var(--letter-wide);
  color: var(--ink-soft);
  text-transform: uppercase;
  font-weight: 500;
  min-width: 5ch;
  text-align: center;
}
.slide-nav .home-link {
  font-size: 1.1rem;
}

/* ======================================================
   UTIL
   ====================================================== */

.hero-stack em {
  font-style: italic;
  font-weight: 700;
}

.gradient-text {
  background: var(--grad-sunset);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.quote-giant {
  font-family: var(--font-quote);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 3.8rem);
  line-height: var(--line-snug);
  color: var(--white-pure);
  max-width: 24ch;
}

.quote-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(6rem, 18vw, 14rem);
  line-height: 1;
  color: var(--white-translucent);
  display: block;
  opacity: 0.55;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  width: 100%;
}
.method-grid .card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.method-grid .key-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.4rem;
  background: var(--grad-sunset);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.method-grid h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: var(--text-subtitle);
  color: var(--ink-deep);
  line-height: var(--line-tight);
}
@media (max-width: 720px) {
  .method-grid { grid-template-columns: 1fr; }
}

.cta-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  max-width: 480px;
}

.dates-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  width: 100%;
  max-width: 820px;
}
.dates-grid .date-card {
  padding: var(--space-4);
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--white-translucent);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.dates-grid .date-day {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: var(--letter-wide);
  font-size: var(--text-caption);
  color: var(--gold-light);
}
.dates-grid .date-big {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  color: var(--white-pure);
  line-height: var(--line-tight);
  margin-top: var(--space-1);
}
.dates-grid .date-time {
  font-family: var(--font-body);
  color: var(--white-translucent);
  font-size: var(--text-lead);
}
@media (max-width: 640px) {
  .dates-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}