/* =========================================================
   CIÁTICA EN ALIVIO — Sistema visual
   Paleta: azul marino · azul cielo · amarillo dorado · rojo · celeste pálido
   Tipografía: Playfair Display (display) + Inter (cuerpo)
   Avatar: adultos 55+ · cuerpo mínimo 18px · headlines grandes
   ========================================================= */

:root {
  /* Paleta confirmada */
  --c-ink: #000A1F;
  --c-ink-rgb: 0, 10, 31;
  --c-sky: #2EA8E8;
  --c-sky-rgb: 46, 168, 232;
  --c-gold: #FCD473;
  --c-gold-rgb: 252, 212, 115;
  --c-red: #E11F1F;
  --c-red-rgb: 225, 31, 31;
  --c-mint: #CFE0DF;
  --c-mint-rgb: 207, 224, 223;

  /* Fondos / superficies */
  --c-bg: #FBFCFE;
  --c-bg-soft: #F2F6FA;
  --c-bg-mint: #E8EFEE;
  --c-bg-deep: #000A1F;
  --c-surface: #FFFFFF;
  --c-border: rgba(0, 10, 31, 0.10);
  --c-border-strong: rgba(0, 10, 31, 0.18);

  /* Texto */
  --c-text: #0B1530;
  --c-text-muted: #4A5878;
  --c-text-soft: #6E7A93;
  --c-text-on-dark: #F4F7FB;
  --c-text-on-dark-muted: #98A4BE;

  /* Tipografías */
  --f-display: 'Playfair Display', Georgia, serif;
  --f-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Escala con clamp */
  --t-xs: clamp(0.78rem, 0.74rem + 0.2vw, 0.85rem);
  --t-sm: clamp(0.92rem, 0.88rem + 0.2vw, 1rem);
  --t-base: clamp(1.06rem, 1rem + 0.3vw, 1.18rem);
  --t-lg: clamp(1.18rem, 1.08rem + 0.5vw, 1.35rem);
  --t-xl: clamp(1.4rem, 1.15rem + 1vw, 1.85rem);
  --t-2xl: clamp(1.85rem, 1.4rem + 2vw, 2.7rem);
  --t-3xl: clamp(2.4rem, 1.7rem + 3.2vw, 4rem);
  --t-hero: clamp(2.6rem, 1.6rem + 4.5vw, 4.8rem);

  --shadow-soft: 0 14px 40px -16px rgba(0, 10, 31, 0.18);
  --shadow-card: 0 18px 50px -22px rgba(0, 10, 31, 0.25);
  --shadow-deep: 0 28px 80px -28px rgba(0, 10, 31, 0.45);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  font-size: var(--t-base);
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }

/* Tipografía display */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

h1 { font-size: var(--t-hero); }
h2 { font-size: var(--t-3xl); }
h3 { font-size: var(--t-2xl); }
h4 { font-size: var(--t-xl); }

p { font-size: var(--t-base); }

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.75rem;
  position: relative;
}
.container-narrow { max-width: 820px; }

.section { padding: 6.5rem 0; position: relative; overflow: hidden; }
.section--tight { padding: 4.5rem 0; }

/* Variación de fondos por sección */
.bg-base { background: var(--c-bg); }
.bg-soft { background: var(--c-bg-soft); }
.bg-mint { background: var(--c-bg-mint); }
.bg-deep {
  background: linear-gradient(180deg, #000816 0%, var(--c-bg-deep) 60%, #010C25 100%);
  color: var(--c-text-on-dark);
}
.bg-deep h1, .bg-deep h2, .bg-deep h3, .bg-deep h4 { color: var(--c-text-on-dark); }
.bg-radial-sky {
  background:
    radial-gradient(ellipse 70% 55% at 25% 30%, rgba(var(--c-sky-rgb), 0.22) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 80% 75%, rgba(var(--c-mint-rgb), 0.55) 0%, transparent 60%),
    var(--c-bg);
}
.bg-radial-gold {
  background:
    radial-gradient(ellipse at top right, rgba(var(--c-gold-rgb), 0.30) 0%, transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(var(--c-sky-rgb), 0.18) 0%, transparent 55%),
    var(--c-bg);
}
.bg-offer {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(var(--c-gold-rgb), 0.25) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(var(--c-sky-rgb), 0.20) 0%, transparent 55%),
    linear-gradient(180deg, #02091F 0%, #04102E 100%);
  color: var(--c-text-on-dark);
}
.bg-offer h1, .bg-offer h2, .bg-offer h3, .bg-offer h4 { color: var(--c-text-on-dark); }

/* =========================================================
   HERO LOGO BLOCK (gigante, 500px como pidió el usuario)
   ========================================================= */
.hero-logo-band {
  text-align: center;
  padding: 3.5rem 1.5rem 1rem;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-soft) 100%);
}
.hero-logo-band img {
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 0 auto;
  display: block;
}

/* =========================================================
   BOTÓN PRIMARIO (CTA con degradado animado)
   ========================================================= */
.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.25rem 2.4rem;
  border-radius: 999px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    var(--c-red) 0%,
    #ff4444 25%,
    var(--c-red) 50%,
    #c41818 75%,
    var(--c-red) 100%
  );
  background-size: 300% 100%;
  animation: btnGradient 6s linear infinite;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.6s ease;
  box-shadow: 0 14px 40px -10px rgba(var(--c-red-rgb), 0.55);
}

.btn-primary--lg {
  padding: 1.5rem 2.8rem;
  font-size: 1.15rem;
}

.btn-primary svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

@keyframes btnGradient {
  0%   { background-position: 100% 50%; }
  100% { background-position: -200% 50%; }
}

.btn-primary:hover {
  transform: scale(1.06);
  filter: brightness(1.15);
  box-shadow: 0 22px 60px -10px rgba(var(--c-red-rgb), 0.7);
}

.btn-primary--gold {
  background: linear-gradient(
    90deg,
    var(--c-gold) 0%,
    #ffe39a 25%,
    var(--c-gold) 50%,
    #e8bb4f 75%,
    var(--c-gold) 100%
  );
  background-size: 300% 100%;
  color: var(--c-ink);
  box-shadow: 0 14px 40px -10px rgba(var(--c-gold-rgb), 0.7);
}
.btn-primary--gold:hover { box-shadow: 0 22px 60px -10px rgba(var(--c-gold-rgb), 0.85); }

/* Trust row */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  justify-content: center;
  margin-top: 1.4rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-weight: 600;
  color: var(--c-text-muted);
}
.bg-deep .trust-row, .bg-offer .trust-row { color: var(--c-text-on-dark-muted); }
.trust-row span { display: inline-flex; align-items: center; gap: 0.45rem; }
.trust-row svg { width: 16px; height: 16px; color: var(--c-sky); }

/* Eyebrow / kicker */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-sky);
  background: rgba(var(--c-sky-rgb), 0.10);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  line-height: 1;
}
.kicker svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.kicker--gold {
  color: #8a6510;
  background: rgba(var(--c-gold-rgb), 0.30);
}
.kicker--red {
  color: #fff;
  background: var(--c-red);
}
.bg-deep .kicker, .bg-offer .kicker {
  color: var(--c-gold);
  background: rgba(var(--c-gold-rgb), 0.15);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > *:nth-child(2) { transition-delay: 90ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 180ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 270ms; }
.reveal-stagger > *:nth-child(5) { transition-delay: 360ms; }
.reveal-stagger > *:nth-child(6) { transition-delay: 450ms; }
.reveal-stagger > *:nth-child(7) { transition-delay: 540ms; }
.reveal-stagger > *:nth-child(8) { transition-delay: 630ms; }

/* =========================================================
   SECCIÓN 1 — HERO
   ========================================================= */
.hero { padding: 1rem 0 5.5rem; position: relative; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text .kicker { margin-bottom: 1.4rem; }

.hero-title {
  font-size: clamp(2.1rem, 1.4rem + 2.6vw, 3.4rem);
  margin-bottom: 1.6rem;
  letter-spacing: -0.015em;
  line-height: 1.18;
}
.hero-title .accent {
  color: var(--c-sky);
  font-style: italic;
  font-weight: 600;
}

.hero-sub {
  font-size: var(--t-lg);
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 560px;
}
.hero-sub strong { color: var(--c-text); font-weight: 600; }

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.2rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: rgba(var(--c-sky-rgb), 0.10);
  color: var(--c-text);
  border: 1px solid rgba(var(--c-sky-rgb), 0.25);
}
.chip svg { width: 16px; height: 16px; color: var(--c-sky); }

.hero-image-wrap {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  aspect-ratio: 4 / 5;
}
.hero-image-wrap img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-image-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,10,31,0.18) 100%);
  pointer-events: none;
}

/* Decorativo flotante */
.float-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.float-1 {
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(var(--c-gold-rgb), 0.45) 0%, transparent 70%);
  top: -60px; right: -40px;
  animation: float 7s ease-in-out infinite;
}
.float-2 {
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(var(--c-mint-rgb), 0.7) 0%, transparent 70%);
  bottom: -40px; left: -20px;
  animation: float 9s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-22px) scale(1.04); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .hero-image-wrap { aspect-ratio: 4 / 4.5; max-width: 480px; margin: 0 auto; }
  .hero-sub { max-width: 100%; }
}

/* =========================================================
   SECCIÓN 2 — SUB-HERO / PROMESA EXPANDIDA
   ========================================================= */
.promise-block {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.promise-block h2 { margin-bottom: 1.8rem; }
.promise-block p {
  font-size: var(--t-lg);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 1.4rem;
}
.promise-block p strong {
  color: var(--c-text);
  font-weight: 600;
  background: linear-gradient(180deg, transparent 60%, rgba(var(--c-gold-rgb), 0.45) 60%);
  padding: 0 0.15rem;
}
.promise-block .btn-primary { margin-top: 1.5rem; }

/* =========================================================
   SECCIÓN 3 — DOLOR / IDENTIFICACIÓN
   ========================================================= */
.pain-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 3rem 0 2.5rem;
}
.pain-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 1.4rem;
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.pain-item:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--c-red-rgb), 0.4);
  box-shadow: var(--shadow-soft);
}
.pain-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(var(--c-red-rgb), 0.12);
  color: var(--c-red);
  display: flex; align-items: center; justify-content: center;
}
.pain-icon svg { width: 22px; height: 22px; }
.pain-item p {
  font-size: 1.05rem;
  color: var(--c-text);
  line-height: 1.5;
  margin: 0;
}

.pain-conclusion {
  text-align: center;
  font-size: var(--t-lg);
  color: var(--c-text);
  font-weight: 500;
  max-width: 740px;
  margin: 0 auto;
  padding: 1.8rem 2rem;
  background: rgba(var(--c-sky-rgb), 0.08);
  border-left: 4px solid var(--c-sky);
  border-radius: 0.9rem;
}
.pain-conclusion strong { color: var(--c-sky); font-weight: 700; }

@media (max-width: 768px) {
  .pain-list { grid-template-columns: 1fr; }
}

/* =========================================================
   SECCIÓN 4 — AGITACIÓN / POR QUÉ NO FUNCIONÓ
   ========================================================= */
.fail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 3rem 0 2.5rem;
}
.fail-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.6rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: transform 0.4s ease, border-color 0.4s ease;
}
.fail-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--c-gold-rgb), 0.4);
}
.fail-card__top {
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 1rem;
}
.fail-x {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(var(--c-red-rgb), 0.18);
  color: #ff6b6b;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.fail-x svg { width: 18px; height: 18px; }
.fail-card h4 {
  font-size: 1.25rem;
  margin: 0;
  color: var(--c-text-on-dark);
  font-family: var(--f-body);
  font-weight: 700;
}
.fail-card p {
  color: var(--c-text-on-dark-muted);
  line-height: 1.6;
  font-size: 1.02rem;
}
.fail-conclusion {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 2.2rem 2rem;
  background: rgba(var(--c-gold-rgb), 0.12);
  border: 1px solid rgba(var(--c-gold-rgb), 0.3);
  border-radius: 1.4rem;
}
.fail-conclusion p {
  font-size: var(--t-lg);
  color: var(--c-text-on-dark);
  margin: 0;
}
.fail-conclusion strong { color: var(--c-gold); font-weight: 700; }

@media (max-width: 768px) {
  .fail-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   SECCIÓN 5 — MECANISMO ÚNICO (A.L.I.V.I.O.)
   ========================================================= */
.mechanism-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}
.mechanism-intro p {
  font-size: var(--t-lg);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.mechanism-name {
  text-align: center;
  margin: 2.5rem 0 3.5rem;
}
.mechanism-name__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-sky);
  margin-bottom: 0.8rem;
}
.mechanism-name__title {
  font-family: var(--f-display);
  font-size: clamp(3rem, 2rem + 5vw, 5.5rem);
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.04em;
  line-height: 1;
}
.mechanism-name__title .dot { color: var(--c-sky); }

.phases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-bottom: 3rem;
}
.phase-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 1.6rem;
  padding: 2rem 1.6rem;
  text-align: center;
  transition: transform 0.5s ease, box-shadow 0.5s ease, border-color 0.5s ease;
  overflow: hidden;
}
.phase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-sky), var(--c-gold));
}
.phase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(var(--c-sky-rgb), 0.4);
}
.phase-letter {
  font-family: var(--f-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--c-sky);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.phase-num {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-soft);
  margin-bottom: 0.7rem;
}
.phase-name {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.7rem;
}
.phase-desc {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.phase-days {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-ink);
  background: rgba(var(--c-gold-rgb), 0.4);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}

.day-to-day {
  max-width: 820px;
  margin: 0 auto 2.5rem;
  background: linear-gradient(135deg, rgba(var(--c-mint-rgb), 0.55) 0%, rgba(var(--c-sky-rgb), 0.10) 100%);
  border-radius: 1.6rem;
  padding: 2.2rem 2rem;
}
.day-to-day h4 {
  font-size: 1.4rem;
  margin-bottom: 1.4rem;
  text-align: center;
}
.day-to-day ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem 1.5rem;
}
.day-to-day li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 1.05rem;
  color: var(--c-text);
}
.day-to-day li svg {
  width: 22px; height: 22px;
  color: var(--c-sky);
  flex-shrink: 0;
  margin-top: 2px;
}

.mechanism-cta { text-align: center; margin-top: 2.5rem; }

/* Mini caso */
.minicase {
  margin: 4rem auto 0;
  max-width: 980px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 1.8rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
}
.minicase__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-soft);
  background: var(--c-bg-soft);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
.minicase__name {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--c-text);
}
.minicase__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
.minicase__cell {
  background: var(--c-bg-soft);
  border-radius: 1.2rem;
  padding: 1.5rem;
}
.minicase__cell h5 {
  font-family: var(--f-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-sky);
  margin-bottom: 0.7rem;
}
.minicase__cell--mid h5 { color: var(--c-gold); color: #b8860b; }
.minicase__cell--after h5 { color: #1f7a3a; }
.minicase__cell p {
  font-size: 1rem;
  color: var(--c-text);
  line-height: 1.6;
  font-style: italic;
}
.minicase__cell--mid { background: rgba(var(--c-gold-rgb), 0.18); }
.minicase__cell--after { background: rgba(46, 168, 232, 0.10); }

@media (max-width: 900px) {
  .phases-grid { grid-template-columns: 1fr 1fr; }
  .minicase__grid { grid-template-columns: 1fr; }
  .day-to-day ul { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .phases-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   SECCIÓN 6 — AUTOR
   ========================================================= */
.author-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: center;
}
.author-photo {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-card);
}
.author-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
}
.author-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(0,10,31,0.25) 100%);
}
.author-text h2 { margin-bottom: 1.5rem; }
.author-text p {
  font-size: var(--t-base);
  color: var(--c-text-muted);
  line-height: 1.75;
  margin-bottom: 1.2rem;
}
.author-creds {
  display: flex; flex-wrap: wrap; gap: 0.8rem;
  margin-top: 2rem;
}
.author-cred {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(var(--c-sky-rgb), 0.10);
  color: var(--c-text);
  border: 1px solid rgba(var(--c-sky-rgb), 0.25);
}
.author-cred svg { width: 16px; height: 16px; color: var(--c-sky); }

@media (max-width: 900px) {
  .author-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .author-photo { max-width: 380px; margin: 0 auto; }
}

/* =========================================================
   SECCIÓN 7 — REVELACIÓN DEL PRODUCTO (mockup ebook 768px)
   ========================================================= */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.ebook-mockup {
  position: relative;
  width: 100%;
  max-width: 768px;
  margin: 0 auto;
  perspective: 1400px;
}
.ebook-mockup__shadow {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 30px;
  background: radial-gradient(ellipse, rgba(0,10,31,0.35) 0%, transparent 70%);
  filter: blur(15px);
  z-index: 0;
}
.ebook-mockup__book {
  position: relative;
  z-index: 2;
  transform: rotateY(-6deg) rotateX(2deg);
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(20px 30px 40px rgba(0,10,31,0.35));
  background: transparent;
}
.ebook-mockup__book:hover { transform: rotateY(-2deg) rotateX(1deg) scale(1.03); }
.ebook-mockup__book img {
  width: 100%;
  height: auto;
  background: transparent;
  display: block;
}
.ebook-mockup__spine { display: none; }

.product-text h2 { margin-bottom: 1.5rem; }
.product-text > p {
  font-size: var(--t-base);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 1.05rem;
  color: var(--c-text);
}
.product-features li svg {
  width: 24px; height: 24px;
  color: var(--c-sky);
  flex-shrink: 0; margin-top: 2px;
}
.product-features li strong { font-weight: 700; }

.product-meta {
  display: flex; flex-wrap: wrap;
  gap: 0.7rem;
  padding: 1.2rem 1.4rem;
  background: rgba(var(--c-mint-rgb), 0.55);
  border-radius: 1rem;
  font-size: 0.95rem;
  color: var(--c-text);
  font-weight: 500;
}
.product-meta span {
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.product-meta span::before {
  content: '·'; color: var(--c-text-soft);
  margin-right: 0.7rem;
}
.product-meta span:first-child::before { display: none; margin: 0; }

@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; gap: 3rem; }
  .ebook-mockup { max-width: 420px; }
}

/* =========================================================
   SECCIÓN 8 — STACK DE VALOR (BONOS HORIZONTALES)
   ========================================================= */
.stack-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}
.stack-intro p {
  font-size: var(--t-lg);
  color: var(--c-text-on-dark-muted);
  line-height: 1.7;
}

/* Producto principal */
.main-card {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.8rem 2rem;
  background: linear-gradient(135deg, rgba(var(--c-gold-rgb), 0.18) 0%, rgba(var(--c-sky-rgb), 0.10) 100%);
  border: 1px solid rgba(var(--c-gold-rgb), 0.4);
  border-radius: 1.6rem;
  margin-bottom: 2rem;
}
.main-card__icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: rgba(var(--c-gold-rgb), 0.35);
  color: var(--c-gold);
  display: flex; align-items: center; justify-content: center;
}
.main-card__icon svg { width: 30px; height: 30px; }
.main-card__name {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text-on-dark);
  margin-bottom: 0.4rem;
}
.main-card__desc {
  font-size: 1rem;
  color: var(--c-text-on-dark-muted);
  line-height: 1.5;
}
.main-card__value {
  font-family: var(--f-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--c-gold);
}

/* Bonos horizontales (4 lado a lado) */
.bonos-title {
  text-align: center;
  font-family: var(--f-display);
  font-size: 1.6rem;
  margin: 3rem 0 0.4rem;
  color: var(--c-text-on-dark);
}
.bonos-subtitle {
  text-align: center;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 700;
  margin-bottom: 2.5rem;
}

.bonos-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.bono-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.4rem;
  padding: 1.5rem 1.2rem;
  text-align: center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.5s ease,
              box-shadow 0.5s ease;
  display: flex;
  flex-direction: column;
}
.bono-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--c-gold-rgb), 0.5);
  box-shadow: 0 20px 50px -20px rgba(var(--c-gold-rgb), 0.5);
}
.bono-card__badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-ink);
  background: var(--c-gold);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  white-space: nowrap;
}
.bono-card__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1rem;
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}
.bono-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  padding: 0.5rem;
}
.bono-card__num {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 0.4rem;
}
.bono-card__name {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-text-on-dark);
  margin-bottom: 0.5rem;
  line-height: 1.2;
  min-height: 2.4em;
}
.bono-card__desc {
  font-size: 0.92rem;
  color: var(--c-text-on-dark-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex-grow: 1;
}
.bono-card__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-gold);
  font-family: var(--f-display);
  margin-top: auto;
}
.bono-card__value s {
  text-decoration: line-through;
  text-decoration-color: var(--c-red);
  text-decoration-thickness: 2px;
}

@media (max-width: 1024px) {
  .bonos-row { grid-template-columns: repeat(2, 1fr); }
  .main-card { grid-template-columns: auto 1fr; }
  .main-card__value { grid-column: 2 / 3; }
}
@media (max-width: 540px) {
  .bonos-row { grid-template-columns: 1fr; }
  .main-card { grid-template-columns: 1fr; text-align: center; }
  .main-card__icon { margin: 0 auto; }
}

/* Stack total */
.stack-total {
  max-width: 700px;
  margin: 2rem auto 0;
  text-align: center;
}
.stack-total__row {
  display: flex; align-items: baseline; justify-content: center;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px dashed rgba(255,255,255,0.15);
  font-size: 1.1rem;
  color: var(--c-text-on-dark-muted);
}
.stack-total__row--total {
  font-family: var(--f-display);
  font-size: 1.6rem;
  color: var(--c-text-on-dark);
  font-weight: 700;
  border-top: 2px solid rgba(var(--c-gold-rgb), 0.5);
}
.stack-total__row strong {
  color: var(--c-gold);
  font-weight: 700;
  font-size: 1.3em;
}
.stack-total__cta { margin-top: 2rem; }

/* =========================================================
   SECCIÓN 9 — TESTIMONIOS
   ========================================================= */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  margin-top: 3rem;
}
.testi-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 1.6rem;
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.testi-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}
.testi-card__quote-icon {
  width: 36px; height: 36px;
  color: var(--c-sky);
  opacity: 0.4;
  margin-bottom: 1rem;
}
.testi-card__text {
  font-size: 1.02rem;
  color: var(--c-text);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.testi-card__person {
  display: flex; align-items: center; gap: 0.9rem;
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--c-border);
}
.testi-card__avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--c-bg-soft);
}
.testi-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.testi-card__name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  line-height: 1.2;
}
.testi-card__meta {
  font-size: 0.85rem;
  color: var(--c-text-soft);
  margin-top: 2px;
}
.testi-card__placeholder-note {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-soft);
  background: var(--c-bg-soft);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  align-self: flex-start;
}

@media (max-width: 900px) {
  .testi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .testi-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   SECCIÓN 10 — GARANTÍA
   ========================================================= */
.guarantee-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--c-surface);
  border: 2px solid rgba(var(--c-sky-rgb), 0.35);
  border-radius: 2rem;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: 0 30px 80px -30px rgba(var(--c-sky-rgb), 0.45);
  position: relative;
}
.guarantee-card__seal {
  width: 200px;
  margin: 0 auto 1.5rem;
}
.guarantee-card__seal img {
  width: 100%;
  height: auto;
  background: transparent;
}
.guarantee-card h2 {
  font-size: var(--t-2xl);
  margin-bottom: 1.2rem;
  color: var(--c-sky);
}
.guarantee-card > p {
  font-size: var(--t-base);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 1.8rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.guarantee-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  justify-content: center;
  margin: 1.5rem 0;
}
.guarantee-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
}
.guarantee-list li svg { width: 20px; height: 20px; color: #1f9d3a; }
.guarantee-card__final {
  font-size: 1.05rem;
  color: var(--c-text);
  font-weight: 600;
  margin-top: 1rem;
}

/* =========================================================
   SECCIÓN 11 — OFERTA / PRECIO (con imagen 500px)
   ========================================================= */
.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.offer-image {
  position: relative;
  text-align: center;
}
.offer-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 0 auto;
  background: transparent;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,0.45));
  display: block;
}

.offer-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(var(--c-gold-rgb), 0.35);
  border-radius: 2rem;
  padding: 2.5rem 2.2rem;
  backdrop-filter: blur(12px);
  text-align: center;
}
.offer-card__price-strike {
  font-size: 1.15rem;
  color: var(--c-text-on-dark-muted);
  text-decoration: line-through;
  text-decoration-color: var(--c-red);
  text-decoration-thickness: 3px;
  margin-bottom: 0.4rem;
  display: block;
}
.offer-card__price-now {
  font-family: var(--f-display);
  font-size: clamp(3.5rem, 2rem + 5vw, 5.5rem);
  font-weight: 800;
  color: var(--c-gold);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.offer-card__price-now sub {
  font-size: 0.4em;
  color: var(--c-text-on-dark);
  font-weight: 600;
  letter-spacing: 0.08em;
  vertical-align: super;
}
.offer-card__cuota {
  font-size: 1rem;
  color: var(--c-text-on-dark-muted);
  margin-bottom: 2rem;
}
.offer-card__cuota strong { color: var(--c-gold); font-weight: 700; }

.offer-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 2rem 0;
  text-align: left;
}
.offer-features li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1rem;
  color: var(--c-text-on-dark);
}
.offer-features li svg {
  width: 22px; height: 22px;
  color: var(--c-gold);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .offer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .offer-image img { max-width: 380px; }
}

/* =========================================================
   SECCIÓN 12 — URGENCIA
   ========================================================= */
.urgency-block {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2.5rem;
  background: linear-gradient(135deg, rgba(var(--c-red-rgb), 0.10) 0%, rgba(var(--c-gold-rgb), 0.20) 100%);
  border: 1px solid rgba(var(--c-red-rgb), 0.25);
  border-radius: 1.8rem;
}
.urgency-block .kicker { background: var(--c-red); color: #fff; }
.urgency-block h3 {
  font-size: var(--t-2xl);
  margin-bottom: 1.2rem;
}
.urgency-block p {
  font-size: var(--t-base);
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
.urgency-block strong { color: var(--c-text); font-weight: 700; }
.urgency-honest {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--c-text-soft);
  background: rgba(255,255,255,0.5);
  padding: 1rem 1.4rem;
  border-radius: 0.9rem;
  margin-top: 1.5rem;
}
.urgency-block .btn-primary { margin-top: 1.5rem; }

/* =========================================================
   SECCIÓN 13 — FAQ
   ========================================================= */
.faq-list {
  max-width: 820px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 1.2rem;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.faq-item.open {
  border-color: rgba(var(--c-sky-rgb), 0.4);
  box-shadow: var(--shadow-soft);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 1.4rem 1.6rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: var(--f-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  text-align: left;
  line-height: 1.4;
}
.faq-icon {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(var(--c-sky-rgb), 0.12);
  color: var(--c-sky);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.4s ease;
}
.faq-icon svg { width: 16px; height: 16px; }
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--c-sky);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-a__inner {
  padding: 0 1.6rem 1.5rem;
  font-size: 1.02rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 600px; }

/* =========================================================
   SECCIÓN 14 — CTA FINAL + RECAPITULACIÓN
   ========================================================= */
.final-block {
  max-width: 1100px;
  margin: 0 auto;
}
.final-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.final-image {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-deep);
}
.final-image img { width: 100%; height: 100%; object-fit: cover; }

.final-text h2 { margin-bottom: 1.5rem; }
.final-text > p {
  font-size: var(--t-lg);
  color: var(--c-text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.recap {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 2rem 0 2.5rem;
  padding: 1.8rem;
  background: rgba(255,255,255,0.04);
  border-radius: 1.4rem;
  border: 1px solid rgba(var(--c-gold-rgb), 0.25);
}
.recap li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-size: 1rem;
  color: var(--c-text-on-dark);
}
.recap li svg {
  width: 20px; height: 20px;
  color: var(--c-gold);
  flex-shrink: 0; margin-top: 4px;
}
.recap-total {
  text-align: center;
  margin-bottom: 2rem;
}
.recap-total span {
  display: block;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-on-dark-muted);
  margin-bottom: 0.5rem;
}
.recap-total s {
  font-size: 1.4rem;
  color: var(--c-text-on-dark-muted);
  text-decoration: line-through;
  text-decoration-color: var(--c-red);
  margin-right: 1rem;
}
.recap-total strong {
  font-family: var(--f-display);
  font-size: 3rem;
  color: var(--c-gold);
  font-weight: 800;
}

.final-text .secure-line {
  font-size: 0.85rem;
  color: var(--c-text-on-dark-muted);
  text-align: center;
  margin-top: 1.5rem;
  letter-spacing: 0.06em;
}

@media (max-width: 900px) {
  .final-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .final-image { max-width: 400px; margin: 0 auto; aspect-ratio: 1 / 1; }
}



/* SVG anatómico del cierre — sin recorte ni aspect-ratio fijo */
.final-anatomy {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at center, rgba(46,168,232,0.06) 0%, transparent 70%);
  border-radius: 2rem;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.3));
}
.final-anatomy svg {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 900px) {
  .final-anatomy { max-width: 380px; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: #000610;
  color: var(--c-text-on-dark-muted);
  padding: 4rem 0 2.5rem;
  text-align: center;
}
.footer-logo {
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 0 auto 2.5rem;
  display: block;
}
.legal-text {
  max-width: 880px;
  margin: 0 auto 2rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-text-on-dark-muted);
  padding: 0 1.5rem;
}
.legal-text strong { color: var(--c-text-on-dark); font-weight: 600; }
.legal-text + .legal-text { margin-top: -1rem; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.footer-links a {
  color: var(--c-text-on-dark-muted);
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--c-gold); }
.copyright {
  font-size: 0.85rem;
  color: var(--c-text-on-dark-muted);
  opacity: 0.7;
  letter-spacing: 0.05em;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 2rem;
}

/* =========================================================
   RESPONSIVE GLOBAL
   ========================================================= */
@media (max-width: 768px) {
  .section { padding: 4.5rem 0; }
  .container { padding: 0 1.25rem; }
  .btn-primary {
    width: 100%;
    max-width: 380px;
    padding: 1.15rem 1.5rem;
    font-size: 1rem;
  }
  .trust-row { gap: 0.9rem; font-size: 0.7rem; }
  body { font-size: 1.05rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
}

/* Sticky CTA bar (móvil) */
.sticky-cta-mobile {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 99;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--c-border);
  padding: 0.85rem 1rem;
  display: none;
  box-shadow: 0 -10px 30px -10px rgba(0,10,31,0.2);
}
.sticky-cta-mobile .btn-primary {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
}
@media (max-width: 768px) {
  .sticky-cta-mobile { display: block; }
  body { padding-bottom: 90px; }
}