/* ==========================================================================
   Vision English - Landing Page Comercial (Adultos 25-45)
   Design System: Telescope Brand Standards (Dark Glassmorphism & High-Conversion)
   ========================================================================== */

:root {
  --bg-base: #030712;
  --bg-card: rgba(13, 20, 39, 0.85);
  --bg-card-hover: rgba(22, 33, 62, 0.95);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.6);
  
  --primary: #7439f6;
  --primary-light: #8b5cf6;
  --primary-glow: rgba(116, 57, 246, 0.35);
  
  --accent-gold: #ffb703;
  --accent-gold-glow: #fb8500;
  --accent-cyan: #00d2ff;
  --accent-green: #10b981;
  
  --text-main: #f9fafb;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --grad-primary: linear-gradient(135deg, #7439f6 0%, #4facfe 100%);
  --grad-gold: linear-gradient(135deg, #ffe066 0%, #ffb703 50%, #fb8500 100%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px rgba(116, 57, 246, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;
  
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  background: 
    radial-gradient(circle at 50% 0%, rgba(116, 57, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 15% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
    var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Top Announcement Banner */
.top-bar {
  background: linear-gradient(90deg, #111827 0%, #1e1b4b 50%, #111827 100%);
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: #cbd5e1;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.top-bar strong {
  color: #ffffff;
  font-weight: 700;
}

.top-bar a {
  color: #38bdf8;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: color 0.2s ease;
}

.top-bar a:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(3, 7, 18, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-card);
  transition: all 0.3s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  height: 44px;
  width: 44px;
  max-width: 48px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}

.brand-name-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.brand-name-text .brand-gold {
  color: #ffb703;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-shrink: 1;
}

.nav-menu li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(116, 57, 246, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #c4b5fd;
}

.btn-outline:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--primary-light);
  color: #ffffff;
}

.btn-gold {
  background: var(--grad-gold);
  color: #030712;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(251, 133, 0, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(251, 133, 0, 0.5);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(116, 57, 246, 0.15);
  border: 1px solid rgba(116, 57, 246, 0.35);
  border-radius: var(--radius-pill);
  color: #c4b5fd;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, #a78bfa 70%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-guarantees {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-guarantees span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Interactive App Showcase Preview */
.hero-preview {
  position: relative;
}

.app-mockup {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-card);
  margin-bottom: 1.25rem;
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.mockup-badge {
  font-size: 0.75rem;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

/* Lisa Chat Preview */
.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.chat-bubble {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  max-width: 88%;
}

.chat-bubble.lisa {
  background: rgba(116, 57, 246, 0.18);
  border: 1px solid rgba(116, 57, 246, 0.35);
  color: #f1f5f9;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-card);
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.lisa-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: #a78bfa;
  margin-bottom: 4px;
  font-weight: 600;
}

.voice-wave {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
}

.wave-bars {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
}

.wave-bar {
  width: 3px;
  background: #38bdf8;
  border-radius: 2px;
  animation: pulseWave 1.2s infinite ease-in-out;
}

.wave-bar:nth-child(1) { height: 8px; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 18px; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 14px; animation-delay: 0.4s; }
.wave-bar:nth-child(5) { height: 20px; animation-delay: 0.15s; }
.wave-bar:nth-child(6) { height: 10px; animation-delay: 0.35s; }

@keyframes pulseWave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}

.feedback-pill {
  font-size: 0.75rem;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

/* Stats Counter Bar */
.stats-bar {
  padding: 3rem 0;
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.015);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.25rem;
  background: linear-gradient(135deg, #ffffff 40%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item .stat-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Section Common */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Comparison Table (Why others fail vs Vision English) */
.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comp-col {
  padding: 3rem;
}

.comp-col.bad {
  background: rgba(239, 68, 68, 0.03);
  border-right: 1px solid var(--border-card);
}

.comp-col.good {
  background: rgba(116, 57, 246, 0.05);
  position: relative;
}

.comp-col.good::after {
  content: "LA MEJOR FORMA";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.comp-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.98rem;
  line-height: 1.5;
}

.comp-list.bad li { color: #cbd5e1; }
.comp-list.good li { color: #f8fafc; font-weight: 500; }

.comp-icon-bad { color: #f87171; font-weight: bold; font-size: 1.1rem; }
.comp-icon-good { color: #34d399; font-weight: bold; font-size: 1.1rem; }

/* 4 Core Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.pillar-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.pillar-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.pillar-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  color: #c4b5fd;
  font-weight: 600;
}

/* CEFR Framework Badges */
.cefr-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scrollbar-width: thin;
}

.cefr-item {
  flex: 1;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}

.cefr-level {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #a78bfa;
  margin-bottom: 0.25rem;
}

.cefr-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cefr-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Interactive Diagnostic Quiz (Lead Magnet)
   ========================================================================== */
.quiz-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.quiz-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--grad-primary);
  width: 20%;
  transition: width 0.3s ease;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.quiz-q-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.quiz-question {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.35;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.quiz-option-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-card);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  text-align: left;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option-btn:hover {
  background: rgba(116, 57, 246, 0.12);
  border-color: rgba(116, 57, 246, 0.4);
  transform: translateX(4px);
}

.quiz-option-btn.selected {
  background: rgba(116, 57, 246, 0.25);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* Quiz Result / Lead Capture */
.quiz-result-view {
  text-align: center;
}

.result-badge {
  display: inline-block;
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 900;
  color: #38bdf8;
  margin: 1rem 0 0.5rem;
}

.result-tagline {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.result-form {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: left;
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, 0.09);
}

/* ==========================================================================
   Pricing Table with Psychological Anchoring
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Featured Anchor Plan */
.pricing-card.featured {
  background: linear-gradient(180deg, rgba(116, 57, 246, 0.15) 0%, rgba(13, 20, 39, 0.95) 100%);
  border: 2px solid var(--primary-light);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(116, 57, 246, 0.25);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-6px);
}

.pricing-pill {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-gold);
  color: #030712;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(251, 133, 0, 0.4);
}

.pricing-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.price-box {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-card);
}

.price-box .price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  vertical-align: top;
}

.price-box .price-amount {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1;
}

.price-box .price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.price-box .price-billing {
  font-size: 0.8rem;
  color: #a78bfa;
  margin-top: 0.35rem;
  font-weight: 600;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.pricing-features li span.check {
  color: #34d399;
  font-weight: bold;
}

/* Social Proof Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.test-stars {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.test-quote {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  font-style: italic;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.author-info strong {
  display: block;
  font-size: 0.95rem;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.35rem 1.5rem;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-question:hover {
  color: #ffffff;
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
  color: var(--primary-light);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-card);
  background: #02040a;
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Floating WhatsApp Button with Lisa Asesora
   ========================================================================== */
.floating-wa-btn {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.wa-bubble {
  background: rgba(13, 20, 39, 0.95);
  border: 1px solid rgba(34, 197, 94, 0.4);
  backdrop-filter: blur(10px);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  color: #f1f5f9;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  animation: floatSubtle 3s ease-in-out infinite;
}

.wa-bubble .wa-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

@keyframes floatSubtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.wa-icon-circle {
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: all 0.25s ease;
}

.wa-icon-circle:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.wa-icon-circle svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

/* ==========================================================================
   Checkout Modal (<= 3 Fields)
   ========================================================================== */
.checkout-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.checkout-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.checkout-modal {
  background: #0d1427;
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 2.25rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(116, 57, 246, 0.3);
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.checkout-modal-backdrop.active .checkout-modal {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: #fff;
}

.modal-header {
  margin-bottom: 1.5rem;
}

.modal-plan-selected {
  display: inline-block;
  background: rgba(116, 57, 246, 0.2);
  color: #c4b5fd;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.5rem;
  border: 1px solid rgba(116, 57, 246, 0.4);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.payment-method-selector {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.pay-btn-opt {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.pay-btn-opt.selected {
  background: rgba(116, 57, 246, 0.25);
  border-color: var(--primary-light);
  color: #fff;
}

.bank-info-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 1.25rem;
}

.bank-info-box strong {
  color: #38bdf8;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1180px) {
  .nav-menu { gap: 0.75rem; }
  .nav-link { font-size: 0.84rem; padding: 0.3rem 0.45rem; }
  .btn-sm { padding: 0.45rem 0.85rem; font-size: 0.82rem; }
  .brand-logo { height: 38px; width: 38px; }
  .brand-name-text { font-size: 1.1rem; }
}

@media (max-width: 980px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
}

@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card.featured { transform: scale(1); }
  .pricing-card.featured:hover { transform: translateY(-6px); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 540px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .hero { padding: 3rem 0; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .comparison-grid { grid-template-columns: 1fr; }
  .comp-col { padding: 2rem; }
  .comp-col.bad { border-right: none; border-bottom: 1px solid var(--border-card); }
  .pillars-grid { grid-template-columns: 1fr; }
  .quiz-wrapper { padding: 1.75rem; }
  .wa-bubble { display: none; } /* Show icon only on small screens to save space */
}