/*
 * Online Course Landing Page — Styles
 * Created by: lautandigital.id
 * Website: https://lautandigital.id
 */

/* ══════════════════════════════════════════
   RESET & BASE
══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;

  --bg: #0a0a14;
  --bg-card: #12121f;
  --bg-card-hover: #1a1a2e;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(99,102,241,0.4);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.25);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;

  --container: 1200px;
  --nav-h: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ══════════════════════════════════════════
   UTILITIES
══════════════════════════════════════════ */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.section {
  padding-block: clamp(5rem, 10vw, 8rem);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-block: 0.75rem 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius-full);
  padding: 0.3em 1em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn svg { width: 1.125em; height: 1.125em; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  padding: 0.65em 1.6em;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-ghost {
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.65em 1.6em;
  background: rgba(255,255,255,0.03);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--text-primary);
  background: rgba(99,102,241,0.08);
}

.btn-ghost-white {
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.65em 1.6em;
  background: rgba(255,255,255,0.05);
}
.btn-ghost-white:hover {
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.btn-outline {
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  padding: 0.65em 1.6em;
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(99,102,241,0.06);
}

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  padding: 0.65em 1.6em;
  font-weight: 700;
}
.btn-white:hover {
  background: #f0f0ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.btn-sm  { font-size: 0.875rem; padding: 0.45em 1.1em; }
.btn-lg  { font-size: 1.0625rem; padding: 0.8em 2em; }
.btn-full { width: 100%; justify-content: center; }

/* AOS-like animations */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos="fade-left"]  { transform: translateX(32px); }
[data-aos="zoom-in"]    { transform: scale(0.92); }
[data-aos].aos-animate  {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}

.navbar.scrolled {
  background: rgba(10,10,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(99,102,241,0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4em 0.85em;
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:not(.btn):hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.shape-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -150px; left: -100px;
}
.shape-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  top: 20%; right: -80px;
  opacity: 0.15;
}
.shape-3 {
  width: 300px; height: 300px;
  background: var(--secondary);
  bottom: 10%; left: 30%;
  opacity: 0.12;
}

.hero-inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: clamp(3rem, 8vw, 6rem);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.4em 1em;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px var(--success); }
  50%       { box-shadow: 0 0 14px var(--success), 0 0 20px rgba(16,185,129,0.4); }
}

.hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.main-card {
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28c840; }

.progress-list { display: flex; flex-direction: column; gap: 0.875rem; }

.progress-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.8125rem;
}

.progress-item span:first-child { color: var(--text-secondary); }

.progress-bar {
  width: 100px;
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

.pct { font-size: 0.75rem; font-weight: 600; color: var(--primary-light); }

.card-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.avatar-stack { display: flex; }
.av {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg-card);
  display: grid;
  place-items: center;
  font-size: 0.625rem;
  font-weight: 700;
  margin-left: -8px;
  color: #fff;
}
.av:first-child { margin-left: 0; }
.av-1 { background: var(--primary); }
.av-2 { background: var(--secondary); }
.av-3 { background: var(--accent); }

.mini-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(18,18,31,0.85);
  min-width: 160px;
}

.card-left  { bottom: 60px; left: -30px; }
.card-right { top: 40px; right: -20px; }

.mini-icon { font-size: 1.5rem; }
.mini-card strong { display: block; font-size: 0.875rem; }
.mini-card p { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

/* Trusted bar */
.trusted-bar {
  padding-block: 2.5rem;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}

.trusted-label {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.trusted-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
}

.trusted-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}
.trusted-logo:hover { color: var(--text-secondary); }

/* ══════════════════════════════════════════
   FEATURES
══════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 40px rgba(99,102,241,0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--c) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 25%, transparent);
  color: var(--c);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
}
.feature-icon svg { width: 24px; height: 24px; }

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

/* ══════════════════════════════════════════
   CURRICULUM
══════════════════════════════════════════ */
.curriculum {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(18,18,31,0.6) 100%);
}

.curriculum-wrapper {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2.5rem;
  align-items: start;
}

.curriculum-accordion { display: flex; flex-direction: column; gap: 0.75rem; }

.acc-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.acc-item.active { border-color: var(--border-hover); }

.acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  text-align: left;
  gap: 1rem;
  transition: background var(--transition);
}
.acc-header:hover { background: rgba(255,255,255,0.02); }

.acc-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.acc-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary-light);
  background: rgba(99,102,241,0.12);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.acc-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.1rem; }
.acc-info p  { font-size: 0.8125rem; color: var(--text-muted); }

.acc-arrow {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.acc-item.active .acc-arrow { transform: rotate(180deg); }

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding var(--transition);
}
.acc-item.active .acc-body {
  max-height: 400px;
  padding-bottom: 1.25rem;
}

.acc-body ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-inline: 1.5rem;
}

.acc-body li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.acc-body li:last-child { border-bottom: none; }

.lesson-icon { font-size: 0.75rem; flex-shrink: 0; }

/* Curriculum summary card */
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  box-shadow: var(--shadow-glow);
}

.summary-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1.75rem;
}

.summary-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.summary-list svg {
  width: 18px;
  height: 18px;
  color: var(--primary-light);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════
   INSTRUCTOR
══════════════════════════════════════════ */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.instructor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.instructor-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.1);
}

.instructor-avatar {
  position: relative;
  margin-bottom: 1.25rem;
  display: inline-block;
}

.avatar-placeholder {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid color-mix(in srgb, var(--bg) 40%, var(--primary));
  display: grid;
  place-items: center;
  font-size: 1.375rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--bg), var(--bg-card));
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--bg);
  position: relative;
}
.avatar-placeholder::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg), var(--bg-card));
  z-index: -1;
}

.instructor-badge {
  position: absolute;
  bottom: 0; right: -4px;
  font-size: 0.6875rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-card);
}

.instructor-info h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.instructor-role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 0.15rem;
}

.instructor-company {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

.instructor-bio {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.instructor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.instructor-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25em 0.7em;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-full);
  color: var(--primary-light);
}

/* ══════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════ */
.testimonials {
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.06) 0%, transparent 60%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.testimonial-card.featured {
  grid-row: span 1;
  border-color: rgba(99,102,241,0.3);
  background: linear-gradient(135deg, rgba(99,102,241,0.06), var(--bg-card));
}

.stars { font-size: 1rem; color: var(--warning); margin-bottom: 1rem; letter-spacing: 2px; }

blockquote {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

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

.author-av {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.8125rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong { font-size: 0.9375rem; }
.testimonial-author p { font-size: 0.8125rem; color: var(--text-muted); margin-top: 1px; }

/* Stats banner */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
}

.stat-num {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 900;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ══════════════════════════════════════════
   PRICING
══════════════════════════════════════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}
.pricing-card.popular:hover { transform: scale(1.03) translateY(-4px); }

.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 0.3em 1.1em;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pricing-header { margin-bottom: 1.5rem; }
.pricing-header h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.25rem; }
.pricing-header p  { font-size: 0.875rem; color: var(--text-muted); }

.pricing-price { margin-bottom: 1.75rem; }

.price-old {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: line-through;
  display: block;
  margin-bottom: 0.25rem;
}

.price-current {
  display: flex;
  align-items: flex-end;
  gap: 0.25rem;
  margin-bottom: 0.25rem;
}
.price-currency { font-size: 1rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 0.3rem; }
.price-amount   { font-size: 2.25rem; font-weight: 900; font-family: 'Plus Jakarta Sans', sans-serif; }

.price-period { font-size: 0.8125rem; color: var(--text-muted); }

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 2rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9rem;
}
.pricing-features li svg { width: 16px; height: 16px; flex-shrink: 0; }
.pricing-features .included { color: var(--text-secondary); }
.pricing-features .included svg { color: var(--success); }
.pricing-features .excluded { color: var(--text-muted); opacity: 0.5; }
.pricing-features .excluded svg { color: var(--text-muted); }

/* ══════════════════════════════════════════
   FAQ
══════════════════════════════════════════ */
.faq-container { max-width: 760px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.active { border-color: var(--border-hover); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(255,255,255,0.02); }

.faq-arrow {
  width: 18px; height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.active .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.active .faq-answer { max-height: 200px; }

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ══════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════ */
.cta-box {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #5b21b6 50%, #9d174d 100%);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.3);
}

.cta-content { position: relative; z-index: 2; }
.cta-box h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-block: 0.75rem 1rem;
}
.cta-box .gradient-text {
  background: linear-gradient(135deg, #a5b4fc, #f9a8d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-box p { color: rgba(255,255,255,0.75); font-size: 1.0625rem; margin-bottom: 2rem; }
.cta-actions { display: flex; gap: 0.875rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.cta-note { font-size: 0.8125rem; color: rgba(255,255,255,0.5); }

.cta-shapes { position: absolute; inset: 0; pointer-events: none; }
.cta-shape { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.3; }
.cta-shape-1 { width: 300px; height: 300px; background: rgba(255,255,255,0.15); top: -100px; right: -60px; }
.cta-shape-2 { width: 200px; height: 200px; background: rgba(255,255,255,0.1); bottom: -60px; left: -40px; }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 4rem;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-block: 1rem 1.5rem;
  max-width: 260px;
}

.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-links a:hover {
  background: rgba(99,102,241,0.12);
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}
.social-links svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text-secondary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: 1.5rem;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-credit a {
  color: var(--primary-light);
  font-weight: 600;
  transition: color var(--transition);
}
.footer-credit a:hover { color: var(--accent); }

/* ══════════════════════════════════════════
   BACK TO TOP
══════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 50;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.back-to-top:hover { transform: translateY(-3px); }

/* ══════════════════════════════════════════
   SCROLLBAR
══════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.6); }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .curriculum-wrapper { grid-template-columns: 1fr; }
  .summary-card { position: static; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .instructors-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-banner { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10,10,20,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 1.25rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition-slow);
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width: 100%; }
  .nav-links a:not(.btn) { display: block; padding: 0.75rem 1rem; border-radius: var(--radius-md); }
  .nav-links .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }

  .hero-stats { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .stat-divider { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .instructors-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-6px); }
  .stats-banner { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .stats-banner { grid-template-columns: 1fr 1fr; }
  .trusted-logos { gap: 0.75rem 1.5rem; }
}