/* IA Simplificada — Premium Dark Cyan Stylesheet v20260625 */

/* ─── Reset & Variables ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #080c14;
  --bg-2:        #0d1220;
  --bg-3:        #111827;
  --bg-card:     rgba(13,18,32,0.8);
  --ink:         #f0f4ff;
  --ink-soft:    rgba(240,244,255,0.75);
  --ink-mute:    rgba(240,244,255,0.45);
  --accent:      #00c8ff;
  --accent-dim:  rgba(0,200,255,0.15);
  --accent-2:    #7c3aed;
  --grad-1:      #00c8ff;
  --grad-2:      #7c3aed;
  --grad-3:      #0891b2;
  --line:        rgba(240,244,255,0.08);
  --line-accent: rgba(0,200,255,0.25);
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --nav-h:       72px;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  font-size: 16px;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* ── Content always visible — JS adds animation on top ── */
/* Without JS (or before it loads), all content is visible */
.reveal { opacity: 1; transform: none; }

/* With JS ready, enable the animated version */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Defensive: elements with both .reveal and data-split always visible */
.reveal[data-split],
.js-ready .reveal[data-split] { opacity: 1; transform: none; }

/* ─── Typography ─────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

em { font-style: italic; }

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

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

/* ─── Utilities ─────────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
}

/* ─── Reveal animations ─────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), opacity 0.2s;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: #22d3ee;
}

.btn-glow {
  box-shadow: 0 0 24px rgba(0,200,255,0.35), 0 4px 12px rgba(0,0,0,0.3);
}

.btn-glow:hover {
  box-shadow: 0 0 40px rgba(0,200,255,0.5), 0 8px 20px rgba(0,0,0,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-accent);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-nav {
  background: var(--accent);
  color: #000;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

.btn-full { width: 100%; justify-content: center; }

.btn-xl {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

/* ─── Grain overlay ─────────────────────────────────── */
.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ─────────────────────────────────────────────────
   PROMO BAR
────────────────────────────────────────────────── */
.nav, .promo-bar, .section, .hero, footer {
  position: relative;
  z-index: 1;
}

.promo-bar {
  position: relative;
  z-index: 200;
  background: linear-gradient(90deg, #0d2a35 0%, #0a1628 40%, #1a0f3a 100%);
  border-bottom: 1px solid rgba(0,200,255,0.25);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  overflow: hidden;
}

/* Subtle animated shimmer behind the bar */
.promo-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,
    transparent 0%,
    rgba(0,200,255,0.06) 40%,
    rgba(124,58,237,0.06) 60%,
    transparent 100%);
  animation: promoShimmer 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes promoShimmer {
  0%, 100% { opacity: 0.5; transform: translateX(-20%); }
  50%       { opacity: 1;   transform: translateX(20%); }
}

.promo-bar-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.9rem;
  line-height: 1.4;
}

.promo-bar-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: #ff9c3b;
  text-transform: uppercase;
  white-space: nowrap;
  animation: promoTagPulse 1.8s ease-in-out infinite;
}

@keyframes promoTagPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.65; }
}

.promo-bar-text {
  color: var(--ink-soft);
  white-space: nowrap;
}

.promo-bar-text s {
  color: var(--ink-mute);
  text-decoration-color: rgba(240,244,255,0.4);
}

.promo-bar-text strong {
  color: var(--accent);
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.promo-bar-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 0.2rem;
}

.promo-bar-cta {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid rgba(0,200,255,0.4);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.promo-bar-cta:hover {
  background: var(--accent);
  color: var(--bg);
}

.promo-bar-close {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--ink-mute);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color 0.2s;
}

.promo-bar-close:hover { color: var(--ink); }

.promo-bar-deadline {
  color: var(--ink-mute);
  font-size: 0.82rem;
  border-left: 1px solid rgba(240,244,255,0.15);
  padding-left: 0.75rem;
}

.promo-bar-deadline strong { color: var(--ink-soft); }

@media (max-width: 520px) {
  .promo-bar-cta { display: none; }
  .promo-bar-deadline { display: none; }
  .promo-bar-text { font-size: 0.82rem; }
}

/* ─────────────────────────────────────────────────
   NAV
────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(8,12,20,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--line);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-logo-mark {
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  letter-spacing: 0;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(8,12,20,0.97);
  backdrop-filter: blur(16px);
  padding: 1.5rem;
  border-top: 1px solid var(--line);
}

.nav-mobile a {
  padding: 0.85rem 0;
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.nav-mobile a:last-child { border-bottom: none; margin-top: 1rem; }

.nav-mobile.is-open { display: flex; }

/* ─────────────────────────────────────────────────
   HERO
────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle 700px at var(--mx, 30%) var(--my, 40%),
      rgba(0,200,255,0.12) 0%, transparent 60%),
    radial-gradient(circle 600px at calc(var(--mx, 30%) + 40%) calc(var(--my, 40%) + 20%),
      rgba(124,58,237,0.1) 0%, transparent 55%),
    radial-gradient(circle 500px at 80% 20%, rgba(8,145,178,0.08) 0%, transparent 50%);
  transition: background 0.1s ease;
}

/* Static fallback gradient for section-final-cta */
.section-final-cta .hero-gradient {
  background:
    radial-gradient(circle 600px at 20% 50%, rgba(0,200,255,0.15) 0%, transparent 60%),
    radial-gradient(circle 500px at 80% 50%, rgba(124,58,237,0.12) 0%, transparent 55%);
  animation: gradientDrift 20s ease-in-out infinite;
}

@keyframes gradientDrift {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1) translateX(-2%); }
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 12vw, 8rem) clamp(4rem, 8vw, 6rem);
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0,200,255,0.08);
  border: 1px solid var(--line-accent);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-accent {
  display: inline-block;
  white-space: nowrap;
  background: linear-gradient(90deg, var(--accent), #22d3ee, var(--accent-2));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  from { background-position: 0% center; }
  to { background-position: 200% center; }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  margin-bottom: 2.25rem;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--ink-mute);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--line);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
  animation: fadeInUp 1s 1.5s var(--ease-out) both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.scroll-arrow {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDrop 1.6s ease-in-out infinite;
}

@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ─────────────────────────────────────────────────
   SECTIONS (shared)
────────────────────────────────────────────────── */
.section {
  padding-block: clamp(5rem, 10vw, 7rem);
  position: relative;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 580px;
  margin-bottom: 3.5rem;
}

/* ─────────────────────────────────────────────────
   PROBLEM
────────────────────────────────────────────────── */
.section-problem { background: var(--bg-2); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 4rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
  backdrop-filter: blur(8px);
}

.problem-card:hover {
  border-color: rgba(0,200,255,0.2);
  transform: translateY(-4px);
}

.problem-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.problem-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.problem-bridge {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.bridge-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-accent), transparent);
}

.bridge-text {
  max-width: 480px;
  flex-shrink: 0;
}

.bridge-arrow {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.bridge-text p {
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.bridge-text strong { color: var(--accent); }

/* ─────────────────────────────────────────────────
   SOLUTION
────────────────────────────────────────────────── */
.solution-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.3s, transform 0.3s;
  backdrop-filter: blur(8px);
}

.feature-item:hover {
  border-color: var(--line-accent);
  transform: translateY(-3px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.feature-text p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

/* ─────────────────────────────────────────────────
   MODULES
────────────────────────────────────────────────── */
.section-modules {
  background: var(--bg-2);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 4rem;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.3s, transform 0.3s;
  backdrop-filter: blur(8px);
}

.module-card:hover {
  border-color: rgba(0,200,255,0.25);
  transform: translateY(-4px);
}

.module-card--featured {
  border-color: rgba(0,200,255,0.35);
  background: linear-gradient(135deg, rgba(0,200,255,0.04) 0%, rgba(124,58,237,0.04) 100%);
  box-shadow: 0 0 40px rgba(0,200,255,0.08);
}

.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.module-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.5;
  line-height: 1;
}

.module-date {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--accent-dim);
  border: 1px solid var(--line-accent);
  padding: 0.3rem 0.7rem;
  border-radius: 50px;
}

.module-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.module-title {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.2;
}

.module-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.module-list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.module-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.module-outcome {
  padding: 0.85rem 1rem;
  background: rgba(0,200,255,0.06);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.module-outcome span { color: var(--ink); font-weight: 600; }

/* Bonuses */
.bonuses-section {
  background: var(--bg-card);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(8px);
}

.bonuses-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bonus-icon { font-size: 1.5rem; }

.bonuses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.bonus-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.bonus-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.bonus-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.bonus-item p {
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────────────
   INSTRUCTORS
────────────────────────────────────────────────── */
.instructors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.instructor-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
  backdrop-filter: blur(8px);
}

.instructor-card:hover {
  border-color: var(--line-accent);
  transform: translateY(-4px);
}

.instructor-photo-wrap {
  position: relative;
}

.instructor-photo {
  width: 100%;
  padding: 1.25rem;
  background: #0a0f1e;
  box-sizing: border-box;
}

.instructor-photo img {
  width: 100%;
  height: auto;
  display: block;
}

.instructor-photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-mute);
}

.instructor-initials {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--line-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.photo-hint {
  font-size: 0.78rem;
  color: var(--ink-mute);
}

.instructor-brand-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-accent);
  border-radius: 50px;
  padding: 0.3rem 0.85rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.instructor-brand-badge strong { color: var(--accent); }

.instructor-info {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.instructor-name {
  font-size: 1.4rem;
  font-weight: 800;
}

.instructor-role {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.instructor-theme {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: rgba(0,200,255,0.04);
  border: 1px solid rgba(0,200,255,0.12);
  border-radius: var(--radius-sm);
}

.theme-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.theme-text {
  font-size: 0.9rem;
  color: var(--ink);
  font-weight: 500;
}

.instructor-bio {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.instructor-bio strong { color: var(--ink); }

.instructor-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.instructor-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s, border-color 0.2s;
}

.instructor-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ─────────────────────────────────────────────────
   TESTIMONIALS
────────────────────────────────────────────────── */
.section-testimonials { background: var(--bg-2); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  backdrop-filter: blur(8px);
  transition: border-color 0.3s, transform 0.3s;
}

.testimonial-card:hover {
  border-color: var(--line-accent);
  transform: translateY(-3px);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

blockquote {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.7;
  flex: 1;
  quotes: "\201C" "\201D";
}

blockquote::before { content: open-quote; color: var(--accent); font-size: 2rem; line-height: 0; vertical-align: -0.5rem; margin-right: 0.2rem; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: 0.5rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--line-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--ink-mute);
}

/* ─────────────────────────────────────────────────
   URGENCY SECTION
────────────────────────────────────────────────── */
.section-urgency { background: var(--bg-2); }

.urgency-card {
  background: linear-gradient(135deg, rgba(255,60,60,0.05) 0%, rgba(0,200,255,0.08) 50%, rgba(124,58,237,0.05) 100%);
  border: 1px solid rgba(255,100,100,0.2);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.urgency-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ff4444, var(--accent), var(--accent-2));
}

.urgency-top {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.urgency-flame { font-size: 3rem; line-height: 1; flex-shrink: 0; }

.urgency-heading h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 0.6rem;
}

.urgency-sub {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.urgency-sub strong { color: var(--ink); }

.urgency-stats-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.urgency-stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.urgency-stat-num--accent { color: var(--accent); }

.urgency-stat-label {
  font-size: 0.78rem;
  color: var(--ink-mute);
  line-height: 1.4;
}

.urgency-divider {
  width: 1px;
  height: 60px;
  background: var(--line);
}

.urgency-reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.urgency-reason {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.urgency-check { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

.urgency-reason p {
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

.urgency-cta {
  display: block;
  width: fit-content;
  margin: 0 auto;
  font-size: 1rem;
}

@media (max-width: 768px) {
  .urgency-stats-row {
    grid-template-columns: 1fr 1fr 1fr;
    padding: 1.25rem;
  }
  .urgency-divider { display: none; }
  .urgency-reasons { grid-template-columns: 1fr; }
  .urgency-top { flex-direction: column; gap: 0.75rem; }
}

/* ─────────────────────────────────────────────────
   PRICING
────────────────────────────────────────────────── */
.section-pricing { background: var(--bg-2); }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1.5rem;
  max-width: 820px;
  margin: 3rem auto;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.pricing-card--featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(0,200,255,0.05) 0%, rgba(124,58,237,0.04) 100%);
  box-shadow: 0 0 60px rgba(0,200,255,0.12), 0 4px 24px rgba(0,0,0,0.3);
}

.pricing-ribbon {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--accent);
  color: #000;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
}

.pricing-card--featured .pricing-label { margin-top: 1.5rem; }

.pricing-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.pricing-original {
  font-size: 1.3rem;
  color: var(--ink-mute);
  text-decoration: line-through;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  align-self: flex-start;
  margin-top: 0.5rem;
}

.price-amount {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}

.pricing-period {
  font-size: 0.825rem;
  color: var(--ink-mute);
  margin-top: -0.5rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.pricing-features li span {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.feature-bonus {
  color: var(--ink) !important;
  font-weight: 500;
}

.pricing-note {
  font-size: 0.78rem;
  color: var(--ink-mute);
  text-align: center;
  margin-top: -0.25rem;
}

.pricing-urgency {
  max-width: 680px;
  margin: 2rem auto 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(124,58,237,0.08);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.urgency-icon { font-size: 1.25rem; flex-shrink: 0; }

.pricing-urgency p {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────────────
   FAQ
────────────────────────────────────────────────── */
.faq-list {
  max-width: 720px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s;
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
  line-height: 1;
}

.faq-item.is-open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease-out), padding 0.3s;
}

.faq-answer.is-open {
  max-height: 400px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ─────────────────────────────────────────────────
   FINAL CTA
────────────────────────────────────────────────── */
.section-final-cta {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  text-align: center;
  padding-block: clamp(6rem, 12vw, 9rem);
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.final-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0,200,255,0.08);
  border: 1px solid var(--line-accent);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.final-cta-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
}

.final-cta-sub {
  font-size: 1rem;
  color: var(--ink-soft);
  max-width: 540px;
  line-height: 1.7;
}

.final-cta-note {
  font-size: 0.8rem;
  color: var(--ink-mute);
}

.final-cta-details {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────────────
   FOOTER
────────────────────────────────────────────────── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding-block: 3rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--ink-mute);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--ink-mute);
  text-align: right;
  line-height: 1.6;
}

.footer-instructors {
  color: var(--accent);
  font-weight: 500;
}

/* ─────────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .solution-features { grid-template-columns: 1fr; }
  .instructors-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .bonuses-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }

  .guarantee-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .guarantee-content p { max-width: 100%; }

  .guarantee-details { justify-content: center; }

  .hero-stats { gap: 1.5rem; }
  .stat-divider { display: none; }

  .problem-bridge {
    flex-direction: column;
    gap: 1rem;
  }

  .bridge-line { width: 60%; height: 1px; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-copy { text-align: left; }
}

@media (max-width: 520px) {
  .hero-title { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-accent { white-space: normal; } /* en móvil muy pequeño puede partir */

  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .final-cta-details { flex-direction: column; align-items: center; gap: 0.6rem; }
}