/* ==========================================================================
   ARDO TECHNOLOGY - STORYTELLING HIGH-CONVERSION DESIGN SYSTEM
   Dark/Light Hybrid Transitions, Mobile-First Responsive, 3px Corner Radius
   ========================================================================== */

:root {
  /* Dark Theme Palette (Hero, Story Chapters, Offer, Footer) */
  --dark-bg-deep: #050505;
  --dark-bg-surface: #0e1215;
  --dark-bg-card: #12171c;
  --dark-bg-card-hover: #182026;
  --dark-border-subtle: rgba(255, 255, 255, 0.08);
  --dark-border-strong: rgba(255, 255, 255, 0.15);
  --dark-text-main: #f8fafc;
  --dark-text-muted: #cbd5e1;
  --dark-text-dim: #64748b;

  /* Light Theme Palette (Story Epiphany, Math, Modules, FAQs) */
  --light-bg-base: #ffffff;
  --light-bg-surface: #f8fafc;
  --light-bg-card: #ffffff;
  --light-bg-card-hover: #f1f5f9;
  --light-border-subtle: #e2e8f0;
  --light-border-strong: #cbd5e1;
  --light-text-main: #0b0d10;
  --light-text-muted: #334155;
  --light-text-dim: #64748b;

  /* Ardo Core Accents */
  --cyan-primary: #3cd7ff;
  --cyan-dark: #0284c7;
  --cyan-glow: rgba(60, 215, 255, 0.25);
  --cyan-tint-light: #e0f2fe;
  --accent-green: #10b981;
  --accent-green-bg: #ecfdf5;
  --accent-red: #ef4444;
  --accent-red-light: #fee2e2;
  --accent-amber: #f59e0b;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Ardo Strict 3px Corner Radius Rule */
  --radius-strict: 3px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--dark-text-main);
  background-color: var(--dark-bg-deep);
  overflow-x: hidden;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container-narrow {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   ANNOUNCEMENT BAR
   ========================================================================== */
.announcement-bar {
  background: #000000;
  border-bottom: 1px solid var(--dark-border-subtle);
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--dark-text-muted);
  width: 100%;
}

.bar-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  text-align: center;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background-color: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-primary);
  flex-shrink: 0;
}

.badge-pill {
  background: rgba(60, 215, 255, 0.12);
  color: var(--cyan-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-strict);
  border: 1px solid rgba(60, 215, 255, 0.3);
  text-transform: uppercase;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  padding: 14px 0;
  border-bottom: 1px solid var(--dark-border-subtle);
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 26px;
  width: auto;
  filter: brightness(0) invert(1);
  display: block;
}

.brand-divider {
  width: 1px;
  height: 18px;
  background: var(--dark-border-strong);
}

.brand-product-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.authority-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--dark-text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 14px;
  border-radius: var(--radius-strict);
  border: 1px solid var(--dark-border-subtle);
  display: none;
}

@media (min-width: 900px) {
  .authority-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
}

.brand-ref {
  color: var(--cyan-primary);
  font-weight: 600;
}

.btn-nav {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-strict);
  border: 1px solid var(--dark-border-strong);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-nav:hover {
  background: var(--cyan-primary);
  color: #050505;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 16px var(--cyan-glow);
}

/* ==========================================================================
   HERO SECTION (Emotional Hook & Proof)
   ========================================================================== */
.hero-section {
  padding: 70px 0 60px;
  text-align: center;
  background-color: var(--dark-bg-deep);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(60, 215, 255, 0.12) 0%, transparent 65%);
  border-bottom: 1px solid var(--dark-border-subtle);
  width: 100%;
}

.tagline-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(60, 215, 255, 0.08);
  color: var(--cyan-primary);
  border: 1px solid rgba(60, 215, 255, 0.35);
  padding: 6px 14px;
  border-radius: var(--radius-strict);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 22px;
  max-width: 100%;
  line-height: 1.4;
  word-break: break-word;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 4.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  max-width: 980px;
  margin: 0 auto 22px;
  color: #ffffff;
  word-break: break-word;
}

.hero-title .highlight-cyan {
  color: var(--cyan-primary);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.12rem;
  color: var(--dark-text-muted);
  max-width: 820px;
  margin: 0 auto 34px;
  line-height: 1.65;
}

.hero-cta-box {
  margin-bottom: 45px;
}

.btn-primary {
  display: inline-block;
  text-decoration: none;
  background: var(--cyan-primary);
  color: #050505;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: var(--radius-strict);
  border: 1px solid var(--cyan-primary);
  box-shadow: 0 0 25px var(--cyan-glow);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s ease;
  cursor: pointer;
  max-width: 100%;
}

.btn-primary:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #050505;
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.guarantee-micro {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--dark-text-muted);
  flex-wrap: wrap;
}

/* Bento Metrics in Hero */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 45px;
}

.metric-card {
  background: var(--dark-bg-card);
  border: 1px solid var(--dark-border-strong);
  padding: 24px 20px;
  border-radius: var(--radius-strict);
  text-align: left;
}

.metric-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan-primary);
  margin-bottom: 4px;
  line-height: 1.1;
}

.metric-desc {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ==========================================================================
   STORY CHAPTERS & SECTIONS
   ========================================================================== */
.chapter-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.story-lead {
  font-size: 1.18rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 22px;
}

.story-paragraph {
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

/* ==========================================================================
   LIGHT SECTION: STORY PART 1 (The Trap vs The Invisible Giant)
   ========================================================================== */
.light-section {
  background-color: var(--light-bg-base);
  color: var(--light-text-main);
  padding: 80px 0;
  border-bottom: 1px solid var(--light-border-subtle);
  width: 100%;
}

.light-section .chapter-badge {
  color: var(--cyan-dark);
}

.light-section .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: var(--light-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.problem-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.problem-card-light {
  background: var(--light-bg-surface);
  border: 1px solid var(--light-border-subtle);
  padding: 24px;
  border-radius: var(--radius-strict);
}

.card-icon-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-red-light);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-strict);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.problem-card-light h3 {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--light-text-main);
  margin-bottom: 8px;
}

.problem-card-light p {
  font-size: 0.94rem;
  color: var(--light-text-muted);
  line-height: 1.6;
}

/* Epiphany Card */
.epiphany-card {
  background: #090d11;
  border: 1px solid rgba(60, 215, 255, 0.35);
  border-radius: var(--radius-strict);
  padding: 32px 36px;
  color: #ffffff;
  margin-top: 36px;
  position: relative;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.epiphany-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--cyan-primary);
}

.epiphany-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.epiphany-card p {
  font-size: 1.02rem;
  color: #cbd5e1;
  line-height: 1.7;
}

.epiphany-card strong {
  color: var(--cyan-primary);
}

/* ==========================================================================
   LIGHT SECTION: THE UNIT ECONOMICS & MATH
   ========================================================================== */
.math-section {
  background-color: var(--light-bg-surface);
  color: var(--light-text-main);
  padding: 85px 0;
  border-bottom: 1px solid var(--light-border-subtle);
  width: 100%;
}

.math-table-card {
  background: #ffffff;
  border: 1px solid var(--light-border-subtle);
  border-radius: var(--radius-strict);
  padding: 28px;
  margin: 30px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.math-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--light-border-subtle);
  font-size: 1rem;
  gap: 12px;
}

.math-row:last-child {
  border-bottom: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--cyan-dark);
  padding-top: 18px;
}

.math-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  background: var(--cyan-tint-light);
  color: var(--cyan-dark);
  padding: 4px 10px;
  border-radius: var(--radius-strict);
  font-size: 0.88rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ==========================================================================
   LIGHT SECTION: CURRICULUM & MODULES
   ========================================================================== */
.modules-section {
  background-color: #ffffff;
  color: var(--light-text-main);
  padding: 85px 0;
  border-bottom: 1px solid var(--light-border-subtle);
  width: 100%;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.module-card-light {
  background: var(--light-bg-surface);
  border: 1px solid var(--light-border-subtle);
  padding: 26px;
  border-radius: var(--radius-strict);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all 0.2s ease;
}

.module-card-light:hover {
  border-color: #94a3b8;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.module-num-badge {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cyan-dark);
  background: var(--cyan-tint-light);
  border: 1px solid #bae6fd;
  padding: 6px 12px;
  border-radius: var(--radius-strict);
  line-height: 1;
  flex-shrink: 0;
}

.module-card-light h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--light-text-main);
  margin-bottom: 6px;
}

.module-card-light p {
  font-size: 0.94rem;
  color: var(--light-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   LIGHT SECTION: TESTIMONIALS & SOCIAL PROOF
   ========================================================================== */
.testimonials-section {
  background-color: var(--light-bg-surface);
  color: var(--light-text-main);
  padding: 85px 0;
  border-bottom: 1px solid var(--light-border-subtle);
  width: 100%;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.testimonial-card-light {
  background: #ffffff;
  border: 1px solid var(--light-border-subtle);
  border-radius: var(--radius-strict);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: all 0.2s ease;
}

.testimonial-card-light:hover {
  border-color: #94a3b8;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

.testimonial-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.05rem;
  letter-spacing: 2px;
}

.testimonial-verified-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #047857;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 2px 8px;
  border-radius: var(--radius-strict);
  text-transform: uppercase;
}

.testimonial-quote {
  font-size: 0.98rem;
  color: #1e293b;
  line-height: 1.65;
  margin-bottom: 20px;
  font-style: normal;
  flex-grow: 1;
}

.testimonial-footer {
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.testimonial-author-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: var(--cyan-tint-light);
  color: var(--cyan-dark);
  border: 1px solid #bae6fd;
  border-radius: var(--radius-strict);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.88rem;
  flex-shrink: 0;
}

.testimonial-author-meta {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--light-text-main);
  line-height: 1.2;
}

.testimonial-location {
  font-size: 0.82rem;
  color: var(--light-text-dim);
  line-height: 1.3;
}

.testimonial-metric-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--cyan-dark);
  background: var(--cyan-tint-light);
  border: 1px solid #bae6fd;
  padding: 3px 8px;
  border-radius: var(--radius-strict);
}

/* ==========================================================================
   DARK SECTION: PRICING & OFFER (Cybernetic Irresistible Offer)
   ========================================================================== */
.pricing-section {
  padding: 90px 0;
  background-color: var(--dark-bg-deep);
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(60, 215, 255, 0.1) 0%, transparent 70%);
  border-bottom: 1px solid var(--dark-border-subtle);
  width: 100%;
}

.pricing-card-container {
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.pricing-box {
  background: var(--dark-bg-surface);
  border: 1px solid rgba(60, 215, 255, 0.4);
  border-radius: var(--radius-strict);
  padding: 44px 36px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(60, 215, 255, 0.12);
  text-align: center;
  position: relative;
  width: 100%;
}

.pricing-badge {
  display: inline-block;
  background: var(--cyan-primary);
  color: #050505;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: var(--radius-strict);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.pricing-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.25;
}

.pricing-subtitle {
  font-size: 1rem;
  color: var(--dark-text-muted);
  margin-bottom: 30px;
}

.value-stack {
  background: #06080a;
  border: 1px solid var(--dark-border-strong);
  border-radius: var(--radius-strict);
  padding: 20px 24px;
  margin-bottom: 30px;
  text-align: left;
}

.stack-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--dark-border-subtle);
  font-size: 0.95rem;
  gap: 12px;
}

.stack-item:last-child {
  border-bottom: none;
}

.item-check {
  font-family: var(--font-mono);
  color: var(--cyan-primary);
  font-weight: 800;
  margin-right: 10px;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.item-name {
  flex-grow: 1;
  color: var(--dark-text-main);
}

.item-val {
  font-family: var(--font-mono);
  color: var(--dark-text-dim);
  font-size: 0.88rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.price-breakdown {
  margin-bottom: 30px;
}

.price-old {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--dark-text-dim);
  margin-bottom: 4px;
}

.price-old del {
  color: #ef4444;
}

.price-current {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.price-current .currency {
  font-size: 2rem;
  color: var(--cyan-primary);
  vertical-align: top;
}

.price-current .period {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--dark-text-muted);
  font-weight: 500;
}

.price-note {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan-primary);
  margin-top: 8px;
}

.btn-checkout {
  display: block;
  width: 100%;
  text-decoration: none;
  background: var(--cyan-primary);
  color: #050505;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 18px 24px;
  border-radius: var(--radius-strict);
  border: 1px solid var(--cyan-primary);
  box-shadow: 0 0 25px var(--cyan-glow);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-checkout:hover {
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.checkout-footer {
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--dark-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   LIGHT SECTION: FAQ
   ========================================================================== */
.faq-section {
  padding: 85px 0;
  background-color: #ffffff;
  width: 100%;
}

.faq-container {
  max-width: 860px;
  width: 100%;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-strict);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-item.active {
  border-color: var(--cyan-dark);
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  outline: none;
  padding: 20px 24px;
  color: #0b0d10;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  gap: 14px;
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--cyan-dark);
  line-height: 1;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  color: #334155;
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   GRACIAS / CONFIRMATION PAGE (Comfortable, Eye-Friendly Design)
   ========================================================================== */
.success-page-wrapper {
  padding: 60px 0 80px;
  background-color: var(--dark-bg-deep);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(60, 215, 255, 0.08) 0%, transparent 60%);
  min-height: 80vh;
}

.success-card {
  max-width: 860px;
  margin: 0 auto;
  background: #0e1318;
  border: 1px solid rgba(60, 215, 255, 0.25);
  border-radius: var(--radius-strict);
  padding: 48px 40px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(60, 215, 255, 0.08);
}

.check-circle {
  width: 60px;
  height: 60px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 18px;
  border: 1px solid var(--accent-green);
}

.success-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.success-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
  line-height: 1.25;
}

.success-subtitle {
  font-size: 1.05rem;
  color: var(--dark-text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.downloads-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  margin-bottom: 40px;
}

.download-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #141a22;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  border-radius: var(--radius-strict);
  transition: all 0.2s ease;
  gap: 16px;
}

.download-item:hover {
  border-color: rgba(60, 215, 255, 0.35);
  background: #18202a;
}

.file-details h4 {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.file-details span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan-primary);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.btn-download {
  background: var(--cyan-primary);
  color: #050505;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: var(--radius-strict);
  border: 1px solid var(--cyan-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.btn-download:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #050505;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.upsell-container {
  border-top: 1px solid var(--dark-border-subtle);
  padding-top: 32px;
  text-align: left;
}

.upsell-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.upsell-title {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.upsell-desc {
  font-size: 0.95rem;
  color: var(--dark-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.btn-whatsapp-support {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius-strict);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.btn-whatsapp-support:hover {
  background: #10b981;
  color: #050505;
  border-color: #10b981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   FOOTER (Clean & Balanced Corporate Layout)
   ========================================================================== */
.footer {
  border-top: 1px solid var(--dark-border-subtle);
  background: #050505;
  padding: 60px 0 40px;
  font-size: 0.88rem;
  color: var(--dark-text-muted);
  width: 100%;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  max-width: 440px;
}

.footer-logo-img {
  height: 26px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 10px;
  display: block;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--dark-text-dim);
  line-height: 1.6;
}

.footer-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--dark-text-muted);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--cyan-primary);
}

.footer-divider {
  height: 1px;
  background: var(--dark-border-subtle);
  width: 100%;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--dark-text-dim);
}

.footer-copy {
  color: var(--dark-text-muted);
}

.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--dark-text-dim);
}

.text-center {
  text-align: center;
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS (MOBILE-FIRST POLISH)
   ========================================================================== */
@media (max-width: 900px) {
  .metrics-grid,
  .problem-cards-grid,
  .modules-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 600px) {
  .container,
  .container-narrow {
    padding: 0 16px;
  }

  .hero-section {
    padding: 50px 0 45px;
  }

  .tagline-badge {
    font-size: 0.7rem;
    padding: 6px 10px;
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.6;
  }

  .btn-primary {
    width: 100%;
    font-size: 0.95rem;
    padding: 16px 20px;
  }

  .pricing-box {
    padding: 28px 16px;
  }

  .price-current {
    font-size: 2.8rem;
  }

  .btn-checkout {
    font-size: 1.05rem;
    padding: 16px 18px;
  }

  .math-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .math-tag {
    align-self: flex-start;
  }

  .epiphany-card {
    padding: 24px 20px;
  }

  .module-card-light {
    padding: 20px 16px;
    gap: 14px;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 1rem;
  }

  .success-card {
    padding: 30px 16px;
  }

  .download-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

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

  .footer {
    padding: 40px 0 30px;
  }
}
