/* ============================================================
   LinguaVerse — styles.css
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --primary: #7c3aed;
  --primary-light: #8b5cf6;
  --primary-dark: #6d28d9;
  --accent: #ec4899;
  --accent-light: #f472b6;
  --bg: #0f0a1e;
  --bg-card: #1a1332;
  --bg-card2: #1e1640;
  --surface: #241b50;
  --border: rgba(255,255,255,0.08);
  --text: #f1f0ff;
  --text-muted: #9e93c8;
  --text-dim: #6b6190;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 99px; }

/* ---------- Selection ---------- */
::selection { background: var(--primary); color: #fff; }

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: 99px;
  padding: 5px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.5);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  background: rgba(124,58,237,0.1);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 11px 16px;
}
.btn-ghost:hover { color: var(--text); }

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

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

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 10, 30, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-icon { font-size: 1.5rem; }
.logo-icon-img { width: 32px; height: 32px; object-fit: contain; }
.logo-text { background: linear-gradient(135deg, #a78bfa, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c3aed, transparent);
  top: -200px;
  left: -200px;
  animation: blobMove1 8s ease-in-out infinite alternate;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #ec4899, transparent);
  bottom: -150px;
  right: -150px;
  animation: blobMove2 10s ease-in-out infinite alternate;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #3b82f6, transparent);
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  animation: blobMove3 12s ease-in-out infinite alternate;
}

@keyframes blobMove1 { from { transform: translate(0,0) scale(1); } to { transform: translate(60px,40px) scale(1.1); } }
@keyframes blobMove2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-40px,-60px) scale(1.08); } }
@keyframes blobMove3 { from { transform: translateX(-50%) scale(1); } to { transform: translateX(-45%) scale(0.9); } }

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 99px;
  padding: 6px 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px #22c55e; }
  50% { box-shadow: 0 0 16px #22c55e, 0 0 24px rgba(34,197,94,0.4); }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat strong {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.hero-scroll-indicator {
  position: absolute;
  bottom: -48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker-wrapper {
  overflow: hidden;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.ticker-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 25s linear infinite;
  width: max-content;
}

.ticker-track span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.08) 0%, transparent 70%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--icon-color) 15%, transparent);
  color: var(--icon-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ============================================================
   COURSES
   ============================================================ */
.courses {
  background: radial-gradient(ellipse at 50% 100%, rgba(236,72,153,0.06) 0%, transparent 70%);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 99px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  background: transparent;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.25);
}

.course-card.hidden { display: none; }

.course-thumb {
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: #ffffff;
  padding: 16px;
}

.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.45s ease;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.5));
}

.course-card:hover .course-thumb img {
  transform: scale(1.08);
}

.course-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.course-badge.popular { background: #f59e0b; color: #1a1100; }
.course-badge.new { background: #22c55e; color: #0a1f0a; }

.course-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.course-level {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.course-level.beginner { background: rgba(34,197,94,0.15); color: #4ade80; }
.course-level.intermediate { background: rgba(234,179,8,0.15); color: #fbbf24; }
.course-level.advanced { background: rgba(239,68,68,0.15); color: #f87171; }

.course-lessons {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.course-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.course-instructor {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.course-instructor img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(124,58,237,0.4);
}

.course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.course-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
}

.course-rating i { color: #f59e0b; font-size: 0.8rem; }
.course-rating strong { color: var(--text); font-weight: 700; }
.course-rating span { color: var(--text-muted); font-size: 0.78rem; }

.course-price {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-old {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-decoration: line-through;
}

.price-new {
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  background: radial-gradient(ellipse at 50% 50%, rgba(124,58,237,0.06) 0%, transparent 70%);
}

.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 56px;
}

.toggle-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.toggle-label.active { color: var(--text); }

.save-badge {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 700;
}

.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--surface);
  border-radius: 99px;
  transition: var(--transition);
  border: 1.5px solid var(--border);
}

.slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  transition: var(--transition);
}

input:checked + .slider { background: rgba(124,58,237,0.2); border-color: var(--primary); }
input:checked + .slider::before { transform: translateY(-50%) translateX(24px); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  background: linear-gradient(160deg, var(--bg-card2), #2a1f5c);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 99px;
  white-space: nowrap;
}

.plan-header {
  text-align: center;
  margin-bottom: 28px;
}

.plan-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px;
}

.plan-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-price {
  text-align: center;
  margin-bottom: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.price-amount {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
}

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

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features li i.fa-check { color: #22c55e; font-size: 0.8rem; }
.plan-features li i.fa-times { color: var(--text-dim); font-size: 0.8rem; }
.plan-features li.disabled { opacity: 0.45; }

.pricing-note {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pricing-note i { color: #22c55e; }
.pricing-note strong { color: var(--text); }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: radial-gradient(ellipse at 0% 50%, rgba(236,72,153,0.06) 0%, transparent 60%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.testimonial-card.featured-review {
  background: linear-gradient(160deg, var(--bg-card2), rgba(124,58,237,0.12));
  border-color: rgba(124,58,237,0.3);
}

.testimonial-stars { display: flex; gap: 3px; }
.testimonial-stars i { color: #f59e0b; font-size: 0.875rem; }

.testimonial-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-card p::before { content: '"'; color: var(--primary-light); font-size: 1.4rem; }
.testimonial-card p::after { content: '"'; color: var(--primary-light); font-size: 1.4rem; }

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

.testimonial-author img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(124,58,237,0.4);
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

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

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: radial-gradient(ellipse at 100% 50%, rgba(59,130,246,0.05) 0%, transparent 60%);
}

.faq-container {
  max-width: 800px;
}

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

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

.faq-item.open {
  border-color: rgba(124,58,237,0.3);
  box-shadow: 0 4px 20px rgba(124,58,237,0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.faq-answer strong { color: var(--text); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, #1e1040 40%, rgba(236,72,153,0.6) 100%);
  opacity: 0.9;
}

.cta-content {
  position: relative;
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #080612;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 80px 24px 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 300px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin: 0;
  max-width: none;
}
.footer-contact p i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  font-size: 0.84rem;
  flex-shrink: 0;
}
.footer-contact a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-contact a:hover {
  color: var(--primary-light);
}

.powered-by-stripe {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding: 10px 20px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  width: fit-content;
}
.powered-by-stripe span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.powered-by-stripe i {
  font-size: 2rem;
  background: linear-gradient(135deg, #635bff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col a:hover { color: var(--primary-light); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.payment-icons {
  display: flex;
  gap: 12px;
  font-size: 1.8rem;
  color: var(--text-dim);
}

.payment-icons i:hover { color: var(--text-muted); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), var(--shadow-glow);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(239,68,68,0.2);
  color: #f87171;
}

.modal-header {
  text-align: center;
  margin-bottom: 28px;
}

.modal-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.modal-price {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
  width: 100%;
}

.form-group input::placeholder { color: var(--text-dim); }

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.card-input-wrapper {
  position: relative;
}

.card-input-wrapper input { padding-right: 80px; }

.card-icons {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 6px;
  font-size: 1.4rem;
  color: var(--text-dim);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn-pay {
  padding: 15px;
  font-size: 1rem;
  margin-top: 4px;
}

/* Order Summary (inside modal) */
.order-summary {
  background: rgba(124,58,237,0.07);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.order-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.order-row i {
  color: var(--primary-light);
  width: 14px;
  margin-right: 6px;
  font-size: 0.78rem;
}

.order-val {
  font-weight: 600;
  color: var(--text);
  text-align: right;
  max-width: 60%;
  word-break: break-word;
  font-size: 0.82rem;
}

.order-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.order-total-row {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.order-total-price {
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Stripe logo in guarantee line */
.stripe-logo {
  height: 20px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  filter: brightness(0) invert(0.45);
}

/* Stripe error (checkout) */
.stripe-error {
  font-size: 0.8rem;
  color: #f87171;
  min-height: 18px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.stripe-error:not(:empty)::before {
  content: '\f071';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.72rem;
}

.modal-guarantee {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-guarantee i { color: #22c55e; }

.modal-success {
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  font-size: 4rem;
  color: #22c55e;
  margin-bottom: 20px;
  animation: successPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes successPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-success h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.modal-success p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(124,58,237,0.6);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ---------- Tablet landscape & small desktop ---------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand { grid-column: 1 / -1; }

  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-6px); }

  .hero-title { font-size: clamp(2.4rem, 6vw, 4rem); }
}

/* ---------- Tablet portrait ---------- */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .container { padding: 0 16px; }
  .section-header { margin-bottom: 40px; }
  .section-subtitle { font-size: 0.95rem; }

  /* — Navbar — */
  .nav-links { display: none; }
  .nav-actions .btn-ghost,
  .nav-actions .btn-primary { display: none; }
  .nav-actions { gap: 6px; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 10, 30, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 999;
    padding: 80px 24px 40px;
  }

  .nav-links.open a {
    font-size: 1.3rem;
    padding: 12px 24px;
  }

  .hamburger { display: flex; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  /* — Hero — */
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }
  .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); margin-bottom: 16px; }
  .hero-subtitle { font-size: 1rem; margin-bottom: 28px; }
  .hero-badge { font-size: 0.78rem; padding: 5px 14px; }
  .hero-cta { flex-direction: column; align-items: center; gap: 10px; }
  .hero-cta .btn-lg { width: 100%; max-width: 320px; justify-content: center; }
  .hero-stats { gap: 16px; }
  .stat strong { font-size: 1.5rem; }
  .stat span { font-size: 0.7rem; }
  .stat-divider { display: none; }
  .hero-scroll-indicator { display: none; }

  /* — Blobs (smaller on mobile) — */
  .blob-1 { width: 300px; height: 300px; }
  .blob-2 { width: 250px; height: 250px; }
  .blob-3 { width: 200px; height: 200px; }

  /* — Ticker — */
  .ticker-track { gap: 28px; }
  .ticker-track span { font-size: 0.85rem; }

  /* — Features — */
  .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .feature-card { padding: 24px; }
  .feature-card h3 { font-size: 1rem; }
  .feature-card p { font-size: 0.85rem; }
  .feature-icon { width: 48px; height: 48px; font-size: 1.2rem; margin-bottom: 14px; }

  /* — Courses — */
  .filter-tabs { gap: 6px; margin-bottom: 32px; }
  .filter-btn { padding: 7px 14px; font-size: 0.8rem; }
  .courses-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
  }
  .course-thumb { height: 200px; padding: 12px; }
  .course-body { padding: 16px; gap: 10px; }
  .course-title { font-size: 0.95rem; }
  .course-desc { font-size: 0.82rem; }
  .course-card:hover { transform: none; }

  /* — Pricing — */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
    gap: 20px;
  }
  .pricing-card { padding: 28px; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .price-amount { font-size: 2.5rem; }
  .billing-toggle { margin-bottom: 36px; }

  /* — Testimonials — */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .testimonial-card { padding: 22px; }
  .testimonial-card:hover { transform: none; }

  /* — FAQ — */
  .faq-question { padding: 16px 18px; font-size: 0.9rem; }
  .faq-answer p { padding: 0 18px 16px; font-size: 0.85rem; }

  /* — CTA — */
  .cta-banner { padding: 64px 0; }
  .cta-content h2 { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .cta-content p { font-size: 0.95rem; margin-bottom: 24px; }

  /* — Footer — */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 16px 32px;
  }
  .footer-brand { grid-column: auto; }
  .footer-contact p { font-size: 0.8rem; }
  .footer-col h4 { font-size: 0.82rem; }
  .footer-col a { font-size: 0.85rem; }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
  .footer-bottom p { font-size: 0.78rem; }

  /* — Modal — */
  .modal {
    padding: 24px 18px;
    max-width: 95vw;
    border-radius: var(--radius);
  }
  .modal-overlay { padding: 12px; }
  .modal-header h3 { font-size: 1.1rem; }
  .modal-price { font-size: 1.3rem; }
  .modal-icon { width: 50px; height: 50px; font-size: 1.3rem; }
  .form-row { grid-template-columns: 1fr; }
  .order-summary { padding: 14px 16px; }
  .order-row { font-size: 0.82rem; }
  .order-val { font-size: 0.78rem; }
  .order-total-price { font-size: 1.1rem; }

  /* — Back to top — */
  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 0.82rem;
  }
}

/* ---------- Mobile small ---------- */
@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .section { padding: 52px 0; }

  /* — Hero — */
  .hero { padding: 88px 0 48px; }
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: 0.9rem; line-height: 1.6; }
  .hero-cta .btn-lg { padding: 13px 20px; font-size: 0.9rem; max-width: 100%; }
  .hero-stats { flex-direction: column; gap: 10px; align-items: center; }
  .stat { align-items: center; }

  /* — Features — */
  .features-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { padding: 20px; }

  /* — Courses — */
  .filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 6px;
    padding-bottom: 4px;
    margin-left: -12px;
    margin-right: -12px;
    padding-left: 12px;
    padding-right: 12px;
  }
  .filter-btn { flex-shrink: 0; }
  .courses-grid { grid-template-columns: 1fr; gap: 16px; }
  .course-thumb { height: 180px; }
  .course-body { padding: 14px; }
  .course-actions { flex-direction: column; gap: 6px; }
  .course-actions .btn { padding: 12px 8px; font-size: 0.85rem; }

  /* — Pricing — */
  .pricing-grid { max-width: 100%; }
  .pricing-card { padding: 24px 20px; }
  .price-amount { font-size: 2.2rem; }
  .plan-features li { font-size: 0.82rem; }

  /* — Testimonials — */
  .testimonial-card { padding: 18px; }
  .testimonial-card p { font-size: 0.85rem; }
  .testimonial-author img { width: 38px; height: 38px; }

  /* — FAQ — */
  .faq-question { padding: 14px 14px; font-size: 0.85rem; gap: 10px; }
  .faq-answer p { padding: 0 14px 14px; font-size: 0.82rem; }

  /* — CTA — */
  .cta-banner { padding: 48px 0; }
  .cta-content h2 { font-size: 1.5rem; }
  .cta-content p { font-size: 0.88rem; }
  .btn-white.btn-lg { width: 100%; justify-content: center; }

  /* — Footer — */
  .footer-grid { gap: 24px; padding: 32px 12px 28px; }
  .footer-contact p { font-size: 0.78rem; }
  .powered-by-stripe { padding: 8px 16px; }
  .powered-by-stripe span { font-size: 0.72rem; }
  .powered-by-stripe i { font-size: 1.6rem; }
  .payment-icons { font-size: 1.4rem; gap: 8px; }

  /* — Modal — */
  .modal {
    padding: 20px 14px;
    max-width: 100vw;
    border-radius: 16px 16px 0 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 92vh;
    overflow-y: auto;
  }
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-overlay.active .modal {
    transform: translateY(0);
  }
  .modal-close { top: 10px; right: 10px; }

  /* — Cart sidebar — */
  .cart-sidebar { width: 100vw; max-width: 100vw; }
  .cart-header { padding: 16px; }
  .cart-items { padding: 12px 16px; }
  .cart-footer { padding: 16px; }
  .cart-item-img { width: 52px; height: 52px; }

  /* — Toast — */
  .cart-toast {
    bottom: 16px;
    right: 12px;
    left: 12px;
    font-size: 0.82rem;
    padding: 12px 16px;
  }
}

/* ============================================================
   CART TOGGLE (navbar)
   ============================================================ */
.cart-toggle {
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  cursor: pointer;
  transition: var(--transition);
}
.cart-toggle:hover {
  background: rgba(255,255,255,0.14);
  border-color: var(--accent);
  color: var(--accent);
}
.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  border-radius: 50%;
  text-align: center;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
}
.cart-count.empty { transform: scale(0); }
.cart-count.bump  { animation: cartBump 0.4s ease; }
@keyframes cartBump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* ============================================================
   CART SIDEBAR
   ============================================================ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.cart-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 92vw;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.3);
}
.cart-sidebar.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.cart-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cart-header h3 i { color: var(--accent); }

.cart-close {
  background: rgba(255,255,255,0.08);
  border: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.cart-close:hover { background: rgba(255,255,255,0.14); color: var(--text); }

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}

/* Empty state */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 60px 0;
  color: var(--text-muted);
}
.cart-empty i { font-size: 3rem; opacity: 0.3; }
.cart-empty p { font-size: 1rem; }

/* Individual cart item */
.cart-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  animation: cartSlideIn 0.3s ease;
}
@keyframes cartSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.cart-item-img {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.cart-item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.cart-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cart-item-price {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
}
.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0;
  align-self: flex-start;
  transition: color 0.2s;
}
.cart-item-remove:hover { color: #ef4444; }

/* Cart footer */
.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
}
.cart-total strong {
  font-size: 1.35rem;
  background: linear-gradient(135deg, #a78bfa, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cart-guarantee {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.cart-guarantee i { color: #10b981; }

/* Course card dual buttons */
.course-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.course-actions .btn {
  flex: 1;
  font-size: 0.82rem;
  padding: 10px 8px;
}
.course-actions .btn i {
  margin-right: 4px;
}

/* Toast notification */
.cart-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 14px 22px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10001;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  animation: toastIn 0.4s ease, toastOut 0.4s ease 2s forwards;
}
.cart-toast i { color: #10b981; font-size: 1.1rem; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(20px); pointer-events: none; }
}

/* ---------- Touch devices: disable hover transforms ---------- */
@media (hover: none) {
  .course-card:hover,
  .feature-card:hover,
  .pricing-card:hover,
  .testimonial-card:hover {
    transform: none;
    box-shadow: none;
  }
  .pricing-card.featured:hover { transform: none; }
  .btn-primary:hover,
  .btn-outline:hover,
  .btn-white:hover {
    transform: none;
  }
}