:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f4fb;
  --text: #111827;
  --muted: #4b5563;
  --line: #e4e7ee;
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --dark: #0f172a;
  --success: #0f766e;
  --radius: 18px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

section {
  padding: 80px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247, 248, 251, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.top-nav {
  display: flex;
  gap: 20px;
}

.top-nav a {
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease;
}

.top-nav a:hover {
  color: var(--text);
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-dark {
  background: var(--dark);
  color: #fff;
}

.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.2), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(15, 23, 42, 0.3), transparent 45%),
    linear-gradient(135deg, #111827, #1e293b);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 860px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: #a5b4fc;
  margin-bottom: 14px;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
}

.hero-subtitle {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.08rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0;
}

.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-benefits span {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.trust-grid,
.program-grid,
.results-grid,
.pricing-grid,
.testimonial-grid {
  display: grid;
  gap: 16px;
}

.trust-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.trust article,
.program-card,
.result-card,
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.trust h3,
.result-card h3 {
  margin-bottom: 8px;
}

.trust p,
.program-card p,
.result-card p,
.testimonial-card p,
.section-head p,
.module-description {
  color: var(--muted);
}

.paywall-notice {
  border: 1px solid #c7d2fe;
  background: #eef2ff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}

.paywall-notice p {
  margin: 0 0 10px;
  color: #3730a3;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.program-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.program-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.program-card:hover,
.price-card:hover,
.result-card:hover,
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 30px rgba(15, 23, 42, 0.06);
}

.platform {
  background: var(--surface-2);
}

.access-hub {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.access-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.access-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.status-pill {
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 10px;
  color: #9f1239;
  background: #ffe4e6;
  border: 1px solid #fecdd3;
}

.status-pill.unlocked {
  color: #065f46;
  background: #d1fae5;
  border-color: #a7f3d0;
}

.access-card p {
  margin: 0 0 14px;
}

.access-link {
  width: 100%;
}

.access-note {
  margin-top: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}

.access-note p {
  margin: 0;
}

.access-note p + p {
  margin-top: 8px;
}

.pack-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
}

.pack-switch span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.pack-level-note {
  margin: 2px 0 16px;
  color: #475569;
  font-size: 0.92rem;
}

.pack-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pack-btn:hover,
.pack-btn.active {
  border-color: #c7d2fe;
  background: #eef2ff;
  color: #312e81;
}

.course-app {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
}

.course-sidebar,
.course-content {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.sidebar-title {
  font-weight: 700;
  margin-bottom: 14px;
}

.progress-wrap {
  margin-bottom: 16px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.progress-bar {
  height: 8px;
  border-radius: 999px;
  background: #e5e7eb;
  overflow: hidden;
}

.progress-bar span {
  height: 100%;
  width: 0;
  display: block;
  background: linear-gradient(90deg, var(--primary), #7c3aed);
  transition: width 0.3s ease;
}

.module-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.module-nav button {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font: inherit;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.module-nav button:hover,
.module-nav button.active {
  border-color: #c7d2fe;
  background: #eef2ff;
}

.module-nav button.done::after {
  content: "  ✓";
  color: var(--success);
  font-weight: 700;
}


.module-tag {
  font-size: 0.75rem;
  color: #4338ca;
  background: #e0e7ff;
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 10px;
}

.content-block {
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.content-block ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.long-copy {
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.long-copy p {
  margin: 0;
}

.long-copy ol {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.course-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.locked-preview {
  margin-top: 16px;
  border: 1px dashed #c7d2fe;
  border-radius: 14px;
  padding: 18px;
  background: #f8faff;
}

.locked-preview p {
  margin: 0 0 12px;
  color: #334155;
}

.results-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin: 4px 0 8px;
}

.price-card ul {
  padding-left: 18px;
  margin: 16px 0 20px;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.price-card.recommended {
  border: 2px solid var(--primary);
  transform: scale(1.03);
}

.badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 10px;
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-card span {
  display: inline-block;
  margin-top: 10px;
  color: #1f2937;
  font-weight: 600;
  font-size: 0.92rem;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p {
  margin: 8px 0 0;
  color: var(--muted);
}

.final-cta {
  background: linear-gradient(160deg, #111827, #312e81);
  color: #fff;
  text-align: center;
}

.final-cta h2 {
  max-width: 760px;
  margin: 0 auto 12px;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 20px;
}

.site-footer {
  background: #0b1120;
  color: #93a3b8;
  padding: 30px 0;
  text-align: center;
}

.site-footer p {
  margin: 4px 0;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1024px) {
  .top-nav {
    display: none;
  }

  .course-app {
    grid-template-columns: 1fr;
  }

  .access-hub {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .program-grid,
  .results-grid,
  .pricing-grid,
  .testimonial-grid,
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  section {
    padding: 62px 0;
  }

  .program-grid,
  .results-grid,
  .pricing-grid,
  .testimonial-grid,
  .trust-grid,
  .access-hub {
    grid-template-columns: 1fr;
  }

  .price-card.recommended {
    transform: none;
  }

  .nav-wrap .btn {
    padding: 10px 12px;
    font-size: 0.9rem;
  }
}