/* ============================================================================
 *  SABORES REALES — LANDING PREMIUM (mobile-first, vanilla)
 *  Estética editorial-gastronómica con micro-interacciones y animaciones.
 *  El acento se sobreescribe por producto desde config.js vía --acento.
 * ============================================================================ */

:root {
  --bg: #FDFBF7;
  --cream: #F5ECDD;
  --cream-2: #EFE3D0;
  --ink: #2D2A26;
  --ink-soft: #5A564E;
  --acento: #C4572E;
  --acento-oscuro: #A8471F;
  --sage: #7A8B6F;
  --rule: #E3DACB;
  --ok: #4C8C4A;
  --no: #C0554A;
  --gold: #E5A83B;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 2px 8px -2px rgba(45, 42, 38, 0.08);
  --shadow: 0 20px 50px -20px rgba(45, 42, 38, 0.35);
  --shadow-lg: 0 34px 80px -24px rgba(45, 42, 38, 0.42);
  --radius: 18px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Grano editorial sutil sobre todo el sitio */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.02 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 760px; }

/* Compensa el header fijo al navegar por anclas (#contenido, #faq, etc.) */
[id] { scroll-margin-top: 84px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 800; line-height: 1.08; letter-spacing: -0.01em; }

.section { padding: 84px 0; position: relative; }
.section-tight { padding: 40px 0; }
.section-cream { background: linear-gradient(180deg, var(--cream) 0%, #F1E6D4 100%); }
.section-dark { background: radial-gradient(120% 130% at 50% 0%, #3A362F 0%, var(--ink) 55%); color: var(--bg); overflow: hidden; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--sage); margin-bottom: 12px;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--sage); border-radius: 2px; }
.eyebrow-light { color: #A6B39A; }
.eyebrow-light::before { background: #A6B39A; }

.section-title { font-size: clamp(1.8rem, 5.4vw, 2.9rem); margin-bottom: 14px; }
.section-title em { font-style: italic; color: var(--acento); }
.section-sub { color: var(--ink-soft); max-width: 640px; margin-bottom: 44px; font-size: 1.04rem; }
.section-dark .section-sub { color: #cfc9bd; }

/* ---------- SCROLL PROGRESS ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--acento), var(--gold));
  z-index: 100; transition: width .1s linear;
}

/* ---------- BOTONES ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-weight: 700; font-size: 1rem;
  padding: 14px 30px; border-radius: 999px; border: none; cursor: pointer;
  text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s ease, border-color .2s ease;
  will-change: transform;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--acento) 0%, var(--acento-oscuro) 100%);
  color: #fff;
  box-shadow: 0 10px 26px -10px var(--acento), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px var(--acento), inset 0 1px 0 rgba(255,255,255,.22); }
/* Barrido de brillo al pasar el mouse */
.btn-primary::after {
  content: ''; position: absolute; top: 0; left: -80%; width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .6s var(--ease);
}
.btn-primary:hover::after { left: 130%; }
.btn-lg { padding: 17px 42px; font-size: 1.08rem; }
.btn-xl { padding: 21px 56px; font-size: 1.2rem; }
.btn-outline {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--rule); box-shadow: var(--shadow-sm);
}
.btn-outline:hover { border-color: var(--acento); color: var(--acento); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); transform: translateY(-2px); }
/* Pulso sutil del CTA principal de compra */
.btn-glow { animation: btn-pulse 2.8s ease-in-out infinite; }
@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 10px 26px -10px var(--acento), 0 0 0 0 rgba(196,87,46,.34); }
  50% { box-shadow: 0 10px 26px -10px var(--acento), 0 0 0 14px rgba(196,87,46,0); }
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(253, 251, 247, 0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: transform .35s var(--ease), border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { border-color: var(--rule); box-shadow: 0 8px 30px -18px rgba(45,42,38,.3); }
.site-header.hidden { transform: translateY(-100%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 800; font-size: 1.25rem; color: var(--ink); text-decoration: none; }
.brand-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--acento); box-shadow: 0 0 0 3px rgba(196,87,46,.18); }
.header-nav { display: none; gap: 26px; }
.header-nav a {
  position: relative; color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: 0.92rem;
  padding: 4px 0; transition: color .2s ease;
}
.header-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--acento); border-radius: 2px; transform: scaleX(0); transform-origin: right;
  transition: transform .3s var(--ease);
}
.header-nav a:hover { color: var(--ink); }
.header-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.btn-header { padding: 10px 24px; font-size: 0.92rem; }

/* Par de CTAs del header: "Conocé más" siempre pegado al botón de compra
   (mismo patrón para cualquier ebook que se sume al catálogo). En mobile
   el botón de compra se oculta a favor del sticky-cta, pero "Conocé más"
   sigue visible. */
.header-cta-group { display: flex; align-items: center; gap: 10px; }
.header-detail-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 700; color: var(--ink-soft);
  text-decoration: none; white-space: nowrap;
  padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--rule);
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.header-detail-link:hover { color: var(--acento); border-color: var(--acento); transform: translateY(-1px); }

/* ---------- HERO ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 132px 0 84px;
  background:
    radial-gradient(60% 50% at 85% 12%, rgba(196,87,46,.07) 0%, transparent 70%),
    radial-gradient(50% 42% at 8% 85%, rgba(122,139,111,.09) 0%, transparent 70%),
    linear-gradient(180deg, #FDFBF7 0%, #F7EEE0 100%);
}
.hero-deco { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; }
.deco-1 { width: 420px; height: 420px; top: -160px; right: -120px; background: rgba(196,87,46,.13); animation: drift 14s ease-in-out infinite alternate; }
.deco-2 { width: 360px; height: 360px; bottom: -150px; left: -130px; background: rgba(122,139,111,.15); animation: drift 18s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(28px, 18px) scale(1.08); } }

.hero-grid { position: relative; display: grid; gap: 56px; align-items: center; }

/* Animación de entrada al cargar (escalonada por --d) */
.load-in { opacity: 0; transform: translateY(26px); animation: load-in .9s var(--ease) forwards; animation-delay: calc(var(--d, 0) * 110ms); }
@keyframes load-in { to { opacity: 1; transform: none; } }

.badge {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--sage), #6A7A60); color: #fff;
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.07em;
  padding: 7px 16px; border-radius: 999px; text-transform: uppercase; margin-bottom: 20px;
  box-shadow: 0 6px 18px -8px var(--sage);
}
.badge-pulse { width: 7px; height: 7px; border-radius: 50%; background: #fff; animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.hero-title { font-size: clamp(2.2rem, 7vw, 3.8rem); margin-bottom: 16px; }
.hero-title span { color: var(--acento); }
.hero-sub { font-size: 1.14rem; color: var(--ink-soft); margin-bottom: 26px; max-width: 480px; }

.price-block { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.price-old { position: relative; color: var(--ink-soft); font-size: 1.25rem; }
.price-old::after {
  content: ''; position: absolute; left: -4%; top: 52%; width: 108%; height: 2px;
  background: var(--no); transform: rotate(-6deg); border-radius: 2px;
}
.price-now {
  font-family: var(--serif); font-weight: 900; font-size: 2.9rem; color: var(--acento);
  text-shadow: 0 2px 0 rgba(255,255,255,.6);
  font-variant-numeric: tabular-nums;
}
.price-off {
  background: linear-gradient(135deg, var(--gold), #D89522); color: #fff;
  font-weight: 800; font-size: 0.88rem; padding: 5px 13px; border-radius: 999px;
  box-shadow: 0 6px 16px -8px var(--gold);
}

.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }

.trust-row { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 24px; font-size: 0.9rem; color: var(--ink-soft); font-weight: 600; }
.trust-row li { display: inline-flex; align-items: center; gap: 6px; }
.trust-ico { font-size: 1rem; }
.trust-row-center { justify-content: center; }
.section-dark .trust-row { color: #cfc9bd; }

/* Countdown */
.countdown { margin-bottom: 26px; }
.countdown-label { font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--acento-oscuro); }
.countdown-clock { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.countdown-clock > div {
  background: #fff; border: 1px solid var(--rule); border-radius: 14px;
  padding: 9px 4px 7px; min-width: 62px; text-align: center;
  box-shadow: var(--shadow-sm), inset 0 -3px 0 var(--cream-2);
}
.countdown-clock b {
  display: block; font-family: var(--serif); font-size: 1.65rem; color: var(--ink);
  font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums;
}
.countdown-clock b.tick { animation: tick-pop .3s var(--ease); }
@keyframes tick-pop { 0% { transform: scale(1); } 40% { transform: scale(1.18); color: var(--acento); } 100% { transform: scale(1); } }
.countdown-clock small { font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); font-weight: 600; }
.cd-sep { font-family: var(--serif); font-weight: 800; color: var(--rule); font-size: 1.3rem; }

/* ---------- MOCKUP 3D ---------- */
.hero-mockup { position: relative; display: flex; justify-content: center; perspective: 1600px; }
.mockup-float { position: relative; animation: floaty 6s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.device {
  position: relative; border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotateY(-16deg) rotateX(4deg) rotateZ(1deg);
  transition: transform .6s var(--ease);
  border: 1px solid rgba(0,0,0,.07);
  max-width: 330px;
  background: #fff;
}
.hero-mockup:hover .device { transform: rotateY(-6deg) rotateX(2deg) rotateZ(0.5deg) scale(1.02); }
.device img { width: 100%; height: auto; }
/* Reflejo de luz que cruza la portada */
.device-shine {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.34) 46%, rgba(255,255,255,.06) 54%, transparent 70%);
  background-size: 260% 100%;
  animation: shine 5.5s ease-in-out infinite;
}
@keyframes shine { 0%, 55%, 100% { background-position: 130% 0; } 25% { background-position: -30% 0; } }
/* Páginas apiladas detrás (sensación de libro con volumen) */
.device-stack {
  position: absolute; inset: 0; border-radius: 12px; background: #F4EFE6;
  border: 1px solid rgba(0,0,0,.05);
  transform: rotateY(-16deg) rotateX(4deg) rotateZ(1deg) translate(10px, 9px);
  box-shadow: 0 18px 40px -22px rgba(45,42,38,.4);
}
.device-stack.two { background: #ECE5D6; transform: rotateY(-16deg) rotateX(4deg) rotateZ(1deg) translate(20px, 18px); }
.device-shadow {
  position: absolute; bottom: -26px; left: 50%; transform: translateX(-50%);
  width: 64%; height: 34px; background: rgba(45,42,38,.3); filter: blur(24px); border-radius: 50%;
  animation: shadow-breathe 6s ease-in-out infinite;
}
@keyframes shadow-breathe { 0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; } 50% { transform: translateX(-50%) scale(0.88); opacity: .75; } }

/* Chips flotantes con datos de cocción */
.hero-chip {
  position: absolute; z-index: 2;
  background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
  border: 1px solid var(--rule); border-radius: 999px;
  font-size: 0.82rem; font-weight: 700; padding: 9px 16px;
  box-shadow: var(--shadow);
  animation: chip-float 5s ease-in-out infinite;
}
.chip-a { top: 12%; left: -4%; color: var(--acento); animation-delay: .6s; }
.chip-b { bottom: 16%; right: -6%; color: var(--sage); }
@keyframes chip-float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-10px) rotate(2deg); } }

/* ---------- MARQUEE ---------- */
.marquee {
  overflow: hidden; background: var(--acento); padding: 13px 0;
  border-top: 1px solid rgba(0,0,0,.08); border-bottom: 1px solid rgba(0,0,0,.08);
  transform: rotate(-0.6deg) scale(1.02); margin: -6px 0;
  position: relative; z-index: 3;
}
.marquee-track {
  display: inline-flex; gap: 44px; white-space: nowrap;
  animation: marquee 32s linear infinite;
  font-family: var(--serif); font-style: italic; font-weight: 600;
  color: rgba(255,255,255,.94); font-size: 1rem;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 44px; }
.marquee-track i { font-style: normal; opacity: .55; font-size: .7rem; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- DOLOR / BENEFICIO ---------- */
.pains { background: var(--ink); color: var(--bg); position: relative; overflow: hidden; }
.pains::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(70% 90% at 50% -20%, rgba(196,87,46,.16), transparent 60%);
}
.pains-grid { position: relative; display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
.pain {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px; padding: 20px 18px;
  transition: transform .3s var(--ease), background .3s ease, border-color .3s ease;
}
.pain:hover { transform: translateY(-4px); background: rgba(255,255,255,.08); border-color: rgba(196,87,46,.4); }
.pain-ico { font-size: 1.7rem; filter: drop-shadow(0 4px 10px rgba(0,0,0,.3)); }
.pain p { color: #d8d3c8; font-size: 0.92rem; line-height: 1.45; }
.pain b { color: #fff; }

/* ---------- CAPÍTULOS ---------- */
.chapters-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 52px; }
.chapter-item {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--rule); border-radius: 14px; padding: 14px 18px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease;
}
.chapter-item:hover { transform: translateY(-3px) scale(1.01); box-shadow: var(--shadow); border-color: rgba(196,87,46,.35); }
.ci-ico {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cream), var(--cream-2));
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
  border: 1px solid var(--rule);
}
.ci-name { font-weight: 600; flex: 1; font-size: 0.96rem; }
.ci-count {
  color: var(--acento); font-weight: 800; font-family: var(--serif); font-size: 1.15rem;
  white-space: nowrap; font-variant-numeric: tabular-nums;
}
.ci-count small { font-family: var(--sans); font-weight: 600; font-size: 0.68rem; color: var(--ink-soft); display: block; text-align: right; margin-top: -3px; }

/* Contador animado del título */
.counter { color: var(--acento); font-variant-numeric: tabular-nums; }

/* Tarjeta de acceso a la ficha de producto (detalle.html) */
.index-cta-card {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, #fff, var(--cream));
  border: 1.5px solid var(--rule); border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 40px; text-decoration: none; color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease;
}
.index-cta-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(196,87,46,.4); }
.index-cta-icon {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, var(--acento), var(--acento-oscuro));
  display: flex; align-items: center; justify-content: center; font-size: 1.35rem;
  box-shadow: 0 6px 16px -8px var(--acento);
}
.index-cta-text { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.index-cta-text strong { font-family: var(--serif); font-size: 1.06rem; font-weight: 700; }
.index-cta-text span { font-size: 0.86rem; color: var(--ink-soft); }
.index-cta-arrow {
  flex-shrink: 0; font-size: 1.3rem; color: var(--acento); font-weight: 700;
  transition: transform .3s var(--ease);
}
.index-cta-card:hover .index-cta-arrow { transform: translateX(6px); }

.pages-preview { display: grid; grid-template-columns: 1fr; gap: 20px; }
.page-card { border-radius: var(--radius); overflow: hidden; }
.page-zoom {
  position: relative; display: block; width: 100%; border: none; padding: 0; cursor: zoom-in;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--rule); background: #fff;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.page-zoom:hover { transform: translateY(-6px) scale(1.015); box-shadow: var(--shadow-lg); }
.page-zoom img { transition: transform .6s var(--ease); }
.page-zoom:hover img { transform: scale(1.04); }
.zoom-hint {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(45,42,38,.82); color: #fff; backdrop-filter: blur(4px);
  font-size: 0.78rem; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  opacity: 0; transform: translateY(6px);
  transition: opacity .3s ease, transform .3s var(--ease);
}
.page-zoom:hover .zoom-hint { opacity: 1; transform: none; }
.pages-caption { text-align: center; color: var(--ink-soft); font-size: 0.9rem; margin-top: 20px; }

/* ---------- LIGHTBOX ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(30, 28, 25, 0.88); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 28px;
  opacity: 0; transition: opacity .3s ease;
}
.lightbox[hidden] { display: none; }
.lightbox.open { opacity: 1; }
.lightbox img {
  max-height: 92vh; max-width: min(92vw, 720px); border-radius: 10px;
  box-shadow: 0 40px 120px -30px rgba(0,0,0,.8);
  transform: scale(.94); transition: transform .35s var(--ease);
}
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 18px; right: 18px;
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.12); color: #fff; font-size: 1.1rem;
  transition: background .2s ease, transform .2s ease;
}
.lightbox-close:hover { background: rgba(255,255,255,.25); transform: rotate(90deg); }

/* ---------- MUESTRA ---------- */
.sample-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.sample-tab {
  background: #fff; border: 1.5px solid var(--rule); border-radius: 999px;
  padding: 11px 20px; font-weight: 600; font-size: 0.92rem; cursor: pointer; color: var(--ink-soft);
  font-family: var(--sans);
  transition: all .25s var(--ease);
  box-shadow: var(--shadow-sm);
}
.sample-tab:hover { border-color: var(--acento); color: var(--acento); transform: translateY(-2px); }
.sample-tab.active {
  background: linear-gradient(135deg, var(--acento), var(--acento-oscuro));
  color: #fff; border-color: var(--acento);
  box-shadow: 0 8px 20px -8px var(--acento);
}

.sample-viewer {
  background: #fff; border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
/* Lomo de color a la izquierda, como el PDF real */
.sample-viewer::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: linear-gradient(180deg, var(--acento), var(--gold));
}
.sample-viewer.switching .sv-anim { opacity: 0; transform: translateY(10px); }
.sv-anim { transition: opacity .25s ease, transform .25s var(--ease); }
.sv-eyebrow { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--sage); }
.sv-title { font-size: 1.7rem; margin: 6px 0 16px; }
.sv-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.sv-chip { background: var(--cream); border: 1px solid var(--rule); border-radius: 999px; padding: 6px 13px; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); }
.sv-cook { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px; }
.sv-cook-box {
  border-radius: 14px; padding: 14px 18px; border: 1.5px solid var(--rule);
  transition: transform .3s var(--ease), box-shadow .3s ease;
}
.sv-cook-box:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.sv-cook-box.air { background: linear-gradient(135deg, rgba(196,87,46,.1), rgba(196,87,46,.04)); border-color: rgba(196,87,46,.3); }
.sv-cook-box.hor { background: linear-gradient(135deg, rgba(122,139,111,.12), rgba(122,139,111,.04)); border-color: rgba(122,139,111,.35); }
.sv-cook-label { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.07em; }
.sv-cook-box.air .sv-cook-label { color: var(--acento); }
.sv-cook-box.hor .sv-cook-label { color: var(--sage); }
.sv-cook-val { font-family: var(--serif); font-weight: 800; font-size: 1.3rem; margin: 2px 0; }
.sv-cook-note { font-size: 0.8rem; color: var(--ink-soft); line-height: 1.4; }
.sv-cols { display: grid; grid-template-columns: 1fr; gap: 28px; }
.sv-cols h4 {
  font-family: var(--sans); font-size: 0.82rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.08em; border-bottom: 2px solid var(--acento); padding-bottom: 7px; margin-bottom: 14px;
}
.sv-ing { list-style: none; }
.sv-ing li { padding: 5px 0; font-size: 0.95rem; border-bottom: 1px dashed var(--rule); }
.sv-ing li:last-child { border-bottom: none; }
.sv-ing .q { color: var(--ink-soft); }
.sv-steps { list-style: none; counter-reset: s; }
.sv-steps li { counter-increment: s; position: relative; padding-left: 38px; margin-bottom: 14px; font-size: 0.95rem; }
.sv-steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--acento), var(--acento-oscuro));
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 700; font-size: 0.88rem;
  box-shadow: 0 4px 10px -4px var(--acento);
}
.sv-tip {
  margin-top: 22px; background: var(--cream); border-left: 3px solid var(--acento);
  padding: 14px 20px; border-radius: 0 12px 12px 0; font-size: 0.92rem; color: var(--ink-soft);
}
.sv-tip b { color: var(--acento); font-family: var(--serif); font-style: italic; }

/* ---------- BONUS ---------- */
.bonus-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.bonus-card {
  position: relative; background: #fff; border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 28px 24px 24px; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.bonus-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--acento), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-card:hover::before { transform: scaleX(1); }
.bonus-num {
  position: absolute; top: 10px; right: 16px;
  font-family: var(--serif); font-weight: 900; font-size: 3.2rem; line-height: 1;
  color: var(--cream-2); z-index: 0; user-select: none;
}
.bonus-card h3 { position: relative; font-size: 1.18rem; margin-bottom: 10px; }
.bonus-card p { position: relative; color: var(--ink-soft); font-size: 0.93rem; margin-bottom: 14px; }
.bonus-val { position: relative; display: inline-block; font-weight: 700; font-size: 0.88rem; color: var(--sage); background: rgba(122,139,111,.1); border-radius: 999px; padding: 5px 13px; }
.bonus-val s { color: var(--ink-soft); }

/* ---------- TESTIMONIOS ---------- */
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.testimonial {
  background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.testimonial.placeholder { border-style: dashed; opacity: 0.65; }
.stars { color: var(--gold); letter-spacing: 3px; margin-bottom: 12px; font-size: 0.95rem; }
.testimonial p { font-size: 0.96rem; margin-bottom: 14px; font-style: italic; color: var(--ink-soft); }
.t-name { font-weight: 700; font-size: 0.88rem; color: var(--ink); }

/* ---------- COMPARATIVA ---------- */
.compare-wrap {
  overflow-x: auto; border-radius: var(--radius);
  border: 1px solid var(--rule); box-shadow: var(--shadow);
  background: #fff;
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--rule); }
.compare-table thead th {
  font-family: var(--serif); font-size: 1.02rem;
  background: var(--cream); position: sticky; top: 0;
}
.compare-table .col-ebook { color: var(--acento); }
.compare-table tbody tr { transition: background .2s ease; }
.compare-table tbody tr:hover { background: rgba(196,87,46,.035); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td.mark { text-align: center; font-weight: 800; font-size: 1.15rem; }
.compare-table td.yes { color: var(--ok); }
.compare-table td.no { color: var(--no); opacity: .7; }
.compare-table td.mark span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
}
.compare-table td.yes span { background: rgba(76,140,74,.12); }
.compare-table td.no span { background: rgba(192,85,74,.1); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff; border: 1px solid var(--rule); border-radius: 14px; overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.faq-item.open { border-color: rgba(196,87,46,.4); box-shadow: var(--shadow); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 19px 22px;
  font-family: var(--sans); font-weight: 700; font-size: 1rem; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--ink);
}
.faq-q .faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: var(--cream); color: var(--acento);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; font-weight: 600; line-height: 1;
  transition: transform .3s var(--ease), background .3s ease, color .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--acento); color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a p { padding: 0 22px 20px; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- GARANTÍA ---------- */
.guarantee {
  display: flex; gap: 28px; align-items: center;
  background: linear-gradient(135deg, var(--cream), #F1E6D2);
  border: 1px solid var(--rule); border-radius: calc(var(--radius) + 6px); padding: 38px 34px;
  box-shadow: var(--shadow);
}
.guarantee-seal {
  position: relative; flex-shrink: 0;
  width: 104px; height: 104px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #D96A3E, var(--acento-oscuro));
  color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 900; font-size: 2.3rem; line-height: 1;
  box-shadow: 0 14px 34px -12px var(--acento);
}
.guarantee-seal small { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.seal-ring {
  position: absolute; inset: -7px; border-radius: 50%;
  border: 1.5px dashed rgba(196,87,46,.5);
  animation: spin 22s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.guarantee h2 { font-size: 1.6rem; margin-bottom: 10px; }
.guarantee p { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- BUY BLOCK ---------- */
.buy-glow {
  position: absolute; top: -25%; left: 50%; transform: translateX(-50%);
  width: 720px; height: 480px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(196,87,46,.22), transparent);
  filter: blur(30px); pointer-events: none;
  animation: glow-breathe 7s ease-in-out infinite;
}
@keyframes glow-breathe { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
.buy-block { position: relative; text-align: center; }
.buy-title { font-size: clamp(1.7rem, 5vw, 2.6rem); color: var(--bg); margin-bottom: 24px; }
.price-block-lg { justify-content: center; margin-bottom: 32px; }
.price-block-lg .price-now { font-size: 3.4rem; text-shadow: none; }
.section-dark .price-old { color: #b3ad9f; }
.upsell { margin-top: 48px; padding-top: 38px; border-top: 1px solid rgba(255,255,255,.14); }
.upsell-tag { font-size: 0.76rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; color: #A6B39A; margin-bottom: 10px; }
.upsell h3 { color: var(--bg); font-size: 1.35rem; margin-bottom: 8px; }
.upsell p { color: #cfc9bd; margin-bottom: 18px; }

/* ---------- FOOTER ---------- */
.site-footer { background: #211E1B; color: #cfc9bd; padding: 56px 0 26px; }
.footer-inner { display: grid; grid-template-columns: 1fr; gap: 30px; margin-bottom: 32px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 800; font-size: 1.3rem; color: var(--bg); }
.footer-tagline { font-size: 0.9rem; margin-top: 6px; color: #97907F; }
.footer-contact, .footer-legal { display: flex; flex-direction: column; gap: 10px; }
.site-footer a { color: #cfc9bd; text-decoration: none; font-size: 0.92rem; transition: color .2s ease, padding-left .25s var(--ease); }
.site-footer a:hover { color: var(--bg); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding-top: 22px; font-size: 0.82rem; color: #8f887c; }

/* ---------- STICKY CTA (mobile) ---------- */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  display: none; align-items: center; justify-content: space-between; gap: 12px;
  background: rgba(253,251,247,.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule); padding: 11px 18px;
  box-shadow: 0 -8px 30px -12px rgba(0,0,0,.28);
  transform: translateY(110%); transition: transform .4s var(--ease);
}
.sticky-cta.show { transform: none; }
.sticky-price { font-weight: 800; line-height: 1.2; }
.sticky-price span { color: var(--acento); font-size: 1.25rem; font-family: var(--serif); }
.sticky-price small { text-decoration: line-through; color: var(--ink-soft); font-weight: 500; font-size: 0.84rem; }
.sticky-cta .btn { padding: 12px 24px; flex-shrink: 0; }

/* ---------- REVEAL ON SCROLL ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--rd, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .load-in { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================================================================
 *  TABLET / DESKTOP
 * ============================================================================ */
@media (min-width: 720px) {
  .section { padding: 104px 0; }
  .hero { padding: 156px 0 108px; }
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
  .header-nav { display: flex; }
  .pains-grid { grid-template-columns: repeat(4, 1fr); }
  .chapters-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pages-preview { grid-template-columns: repeat(3, 1fr); }
  .sv-cols { grid-template-columns: 0.88fr 1.12fr; }
  .sample-viewer { padding: 42px 46px; }
  .bonus-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
  .device { max-width: 350px; }
}

@media (min-width: 1000px) {
  .chapters-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Sticky CTA solo en mobile */
@media (max-width: 719px) {
  .sticky-cta { display: flex; }
  .btn-header { display: none; }
  .hero-chip { display: none; }
  .device { max-width: 260px; }
  .guarantee { flex-direction: column; text-align: center; }
}