/* ============================================================
   STATIC ACADEMY — Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ── CSS Variables ── */
:root {
  --bg:          #07070f;
  --bg-2:        #0d0d1a;
  --bg-3:        #131325;
  --bg-4:        #1a1a30;
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);

  --primary:     #6c63ff;
  --primary-2:   #8b83ff;
  --primary-glow:rgba(108,99,255,0.25);

  --gold:        #f5a623;
  --gold-2:      #ffc04d;
  --gold-glow:   rgba(245,166,35,0.2);

  --green:       #22c55e;
  --red:         #ef4444;

  --text:        #f1f0ff;
  --text-2:      #c5c3e0;
  --text-3:      #8a88a8;
  --text-4:      #5a5878;

  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-full: 999px;

  --shadow-sm:   0 2px 8px rgba(0,0,0,0.4);
  --shadow:      0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(108,99,255,0.15);

  --transition:  0.22s cubic-bezier(0.4,0,0.2,1);
  --font:        'Inter', sans-serif;
  --font-display:'Space Grotesk', sans-serif;

  --nav-h:       68px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; outline: none; }
input, textarea, select { font-family: var(--font); outline: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Selection ── */
::selection { background: var(--primary-glow); color: var(--primary-2); }

/* ══════════════════════════════════════════════════
   PAGE TRANSITIONS
══════════════════════════════════════════════════ */
@keyframes pageIn {
  from { opacity: 0; transform: translateY(18px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
@keyframes pageOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(-12px) scale(0.99); }
}

body {
  animation: pageIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.page-leaving {
  animation: pageOut 0.3s cubic-bezier(0.4, 0, 1, 1) both !important;
  pointer-events: none;
}

/* Ripple on button click */
.btn {
  position: relative;
  overflow: hidden;
}
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transform: scale(0);
  animation: rippleAnim 0.55s linear;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p  { color: var(--text-2); }

/* ── Utility ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.hidden { display: none !important; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.flex-col { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.w-full { width: 100%; }

/* ── Gradient Text ── */
.grad-text {
  background: linear-gradient(135deg, var(--primary-2), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad-text-primary {
  background: linear-gradient(135deg, #a78bfa, var(--primary-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::after { opacity: 0.06; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: white;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(108,99,255,0.45);
  transform: translateY(-1px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #e8900d);
  color: #1a0e00;
  box-shadow: 0 4px 20px var(--gold-glow);
}
.btn-gold:hover {
  box-shadow: 0 6px 30px rgba(245,166,35,0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-2);
  background: var(--primary-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  padding: 10px 20px;
}
.btn-ghost:hover { color: var(--text); background: var(--bg-3); }

.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-xl { padding: 18px 44px; font-size: 17px; font-weight: 700; }

.btn-icon {
  width: 40px; height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  color: var(--text-2);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
}
.btn-icon:hover { background: var(--bg-4); color: var(--text); border-color: var(--border-2); }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-primary { background: var(--primary-glow); color: var(--primary-2); border: 1px solid rgba(108,99,255,0.3); }
.badge-gold { background: var(--gold-glow); color: var(--gold); border: 1px solid rgba(245,166,35,0.3); }
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.badge-muted { background: var(--bg-3); color: var(--text-3); border: 1px solid var(--border); }

/* ── Card ── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-glow:hover {
  box-shadow: var(--shadow-glow), var(--shadow);
  border-color: rgba(108,99,255,0.3);
}

/* ══════════════════════════════════════════════════
   NAVIGATION — Clean, animated, polished
══════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(7,7,15,0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.nav.scrolled {
  background: rgba(7,7,15,0.97);
  border-bottom-color: rgba(255,255,255,0.09);
  box-shadow: 0 1px 40px rgba(0,0,0,0.6);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 15px;
  color: #fff;
  font-family: var(--font-display);
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 4px 14px rgba(108,99,255,0.3);
  transition: transform 0.22s, box-shadow 0.22s;
}
/* Gold dot accent */
.nav-logo-icon::after {
  content: '';
  position: absolute;
  top: 4px; right: 4px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 5px rgba(245,166,35,0.7);
}
.nav-logo:hover .nav-logo-icon {
  transform: scale(1.07) rotate(-4deg);
  box-shadow: 0 6px 22px rgba(108,99,255,0.5);
}
.nav-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1;
}
/* "Academy" word in purple — simple color, no clip trick */
.nav-logo-text span {
  color: var(--primary-2);
}

/* ── Links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.nav-links li { position: relative; }
.nav-links a {
  display: block;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
  transition: color 0.18s, background 0.18s;
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #a78bfa);
  border-radius: 2px;
  transition: left 0.22s, right 0.22s;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  left: 12px;
  right: 12px;
}
.nav-links a.active {
  color: var(--text);
  background: rgba(108,99,255,0.08);
}

/* ── Right zone ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Language selector */
.lang-select {
  position: relative;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-btn:hover { border-color: var(--border-2); color: var(--text); }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 6px;
  min-width: 160px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: all var(--transition);
  box-shadow: var(--shadow);
  z-index: 100;
}
.lang-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}
.lang-option:hover { background: var(--bg-4); color: var(--text); }
.lang-option.active { color: var(--primary-2); }
.lang-flag { font-size: 16px; }

/* User avatar */
.user-menu { position: relative; }
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}
.user-avatar:hover { border-color: var(--primary); }
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition);
  box-shadow: var(--shadow);
  z-index: 100;
}
.user-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.user-info {
  padding: 10px 12px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}
.user-name { font-weight: 600; font-size: 14px; }
.user-email { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.user-plan {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}
.user-dropdown a, .user-dropdown button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
  background: transparent;
  transition: all var(--transition);
  text-align: left;
}
.user-dropdown a:hover, .user-dropdown button:hover {
  background: var(--bg-4);
  color: var(--text);
}
.user-dropdown .divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}
.logout-btn { color: var(--red) !important; }
.logout-btn:hover { background: rgba(239,68,68,0.1) !important; }

/* ── Mobile menu toggle ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.nav-toggle:hover { background: var(--bg-4); border-color: var(--primary); }
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(.4,0,.2,1);
}
.nav-toggle span:nth-child(1) { width: 16px; }
.nav-toggle span:nth-child(2) { width: 20px; }
.nav-toggle span:nth-child(3) { width: 12px; }
/* Open state — X */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); width: 20px; }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 20px; }
.nav-toggle.open { border-color: var(--primary); background: rgba(108,99,255,0.1); }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.4), transparent 70%);
  top: -200px; left: -200px;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,166,35,0.2), transparent 70%);
  bottom: -150px; right: -100px;
  animation-delay: -4s;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(139,91,246,0.3), transparent 70%);
  top: 40%; left: 40%;
  animation-delay: -2s;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  width: 100%;
}
.hero-content {}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-title { margin-bottom: 20px; }
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--primary-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 2px;
}

/* Hero visual */
.hero-visual { position: relative; }
.hero-card-main {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-card-main::before {
  content: '';
  position: absolute;
  top: -1px; left: 24px;
  right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.course-preview-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--bg-3);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  transition: all var(--transition);
}
.course-preview-item:hover {
  border-color: var(--primary-glow);
  background: var(--bg-4);
}
.course-preview-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.course-preview-title { font-size: 13px; font-weight: 600; }
.course-preview-meta { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.course-preview-progress {
  margin-top: 6px;
  height: 3px;
  background: var(--bg-4);
  border-radius: 2px;
  overflow: hidden;
}
.course-preview-bar {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.hero-float-card {
  position: absolute;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.hero-float-card-1 { top: -20px; right: -20px; animation-delay: 0s; }
.hero-float-card-2 { bottom: -10px; left: -20px; animation-delay: -3s; }
.hfc-label { font-size: 11px; color: var(--text-3); }
.hfc-value { font-size: 20px; font-weight: 800; margin-top: 2px; font-family: var(--font-display); }

/* ── Section ── */
.section {
  padding: 100px 0;
}
.section-sm { padding: 60px 0; }
.section-eyebrow {
  text-align: center;
  margin-bottom: 12px;
}
.section-title { text-align: center; margin-bottom: 16px; }
.section-sub {
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

/* ── Features ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { border-color: rgba(108,99,255,0.3); transform: translateY(-3px); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  position: relative;
}
.feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; position: relative; }
.feature-desc { font-size: 14px; color: var(--text-3); line-height: 1.6; position: relative; }

/* ── Modules Grid ── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.module-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all var(--transition);
  cursor: pointer;
}
.module-card:hover {
  border-color: var(--border-2);
  background: var(--bg-3);
  transform: translateX(4px);
}
.module-number {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--text-3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.module-card:hover .module-number {
  background: var(--primary-glow);
  border-color: rgba(108,99,255,0.4);
  color: var(--primary-2);
}
.module-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.module-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-3);
}
.module-meta span { display: flex; align-items: center; gap: 4px; }

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.testimonial-stars { color: var(--gold); font-size: 15px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: white;
}
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: var(--text-3); margin-top: 1px; }

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured {
  background: linear-gradient(160deg, var(--bg-3), var(--bg-2));
  border-color: var(--primary);
  box-shadow: 0 0 50px var(--primary-glow);
}
.pricing-card.elite {
  border-color: rgba(245,166,35,0.4);
  background: linear-gradient(160deg, #1a1508, var(--bg-2));
}
.pricing-popular {
  position: absolute;
  top: 20px; right: 20px;
}
.pricing-plan { font-size: 13px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.pricing-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin: 12px 0 6px;
  display: flex;
  align-items: flex-start;
  gap: 4px;
}
.pricing-price sup { font-size: 1.2rem; margin-top: 8px; }
.pricing-period { font-size: 14px; color: var(--text-3); margin-bottom: 24px; }
.pricing-desc { font-size: 14px; color: var(--text-2); margin-bottom: 28px; line-height: 1.6; }
.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features .check { color: var(--green); flex-shrink: 0; margin-top: 1px; }
.pricing-features .cross { color: var(--text-4); flex-shrink: 0; margin-top: 1px; }
.pricing-cta { width: 100%; }

/* ── FAQ ── */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open { border-color: var(--border-2); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition);
  background: var(--bg-2);
}
.faq-question:hover { background: var(--bg-3); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--text-3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--primary-glow);
  color: var(--primary-2);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--bg-2);
}
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
}

/* ── CTA Section ── */
.cta-section {
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(108,99,255,0.12), transparent);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta-title { font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 16px; }
.cta-sub { font-size: 1.05rem; color: var(--text-2); margin-bottom: 36px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── Footer ── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 14px; color: var(--text-3); margin-top: 12px; line-height: 1.7; max-width: 280px; }
.footer-col-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 18px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-3); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 13px; color: var(--text-4); }
.footer-socials { display: flex; align-items: center; gap: 8px; }
.footer-social {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: var(--text-3);
  transition: all var(--transition);
}
.footer-social:hover { background: var(--bg-4); color: var(--text); border-color: var(--border-2); }

/* ── Auth Page ── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.auth-visual {
  position: relative;
  background: var(--bg-2);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}
.auth-visual-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 30% 50%, rgba(108,99,255,0.2), transparent);
  pointer-events: none;
}
.auth-visual-content { position: relative; z-index: 1; }
.auth-quote {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.4;
  margin: 24px 0;
}
.auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
  background: var(--bg);
}
.auth-form-wrapper { width: 100%; max-width: 400px; }
.auth-tabs {
  display: flex;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px;
  margin-bottom: 32px;
}
.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
}
.auth-tab.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 12px var(--primary-glow);
}
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 8px; }
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  transition: all var(--transition);
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-input::placeholder { color: var(--text-4); }
.form-hint { font-size: 12px; color: var(--text-4); margin-top: 6px; }
.form-error { font-size: 12px; color: var(--red); margin-top: 6px; display: none; }
.form-error.show { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pass-wrapper { position: relative; }
.pass-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  color: var(--text-3);
  font-size: 15px;
  cursor: pointer;
  padding: 4px;
}
.divider-text {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  font-size: 13px;
  color: var(--text-4);
}
.divider-text::before, .divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.social-auth { display: flex; gap: 10px; }
.social-auth-btn {
  flex: 1;
  padding: 11px;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  cursor: pointer;
  transition: all var(--transition);
}
.social-auth-btn:hover { background: var(--bg-3); color: var(--text); border-color: var(--border-2); }

/* ── Dashboard ── */
.dash-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  margin-bottom: 28px;
}
.sidebar-section { margin-bottom: 6px; }
.sidebar-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-4);
  padding: 12px 12px 6px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  margin-bottom: 2px;
}
.sidebar-item:hover { background: var(--bg-3); color: var(--text); }
.sidebar-item.active { background: var(--primary-glow); color: var(--primary-2); }
.sidebar-item .icon { width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--bg-3);
  cursor: pointer;
}
.sidebar-user-name { font-size: 13px; font-weight: 600; }
.sidebar-user-plan { font-size: 11px; color: var(--text-3); }

.dash-content {
  padding: 32px;
  overflow-y: auto;
}
.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.dash-title { font-size: 1.4rem; font-weight: 800; }
.dash-subtitle { font-size: 14px; color: var(--text-3); margin-top: 2px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-label { font-size: 13px; color: var(--text-3); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.stat-value { font-size: 1.8rem; font-weight: 800; font-family: var(--font-display); }
.stat-change { font-size: 12px; margin-top: 4px; display: flex; align-items: center; gap: 4px; }
.stat-change.up { color: var(--green); }
.stat-change.neutral { color: var(--text-4); }

.progress-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.progress-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.progress-list {}
.progress-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.progress-item:last-child { border-bottom: none; }
.progress-item-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.progress-item-info { flex: 1 }
.progress-item-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.progress-bar-wrap {
  height: 4px;
  background: var(--bg-4);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transition: width 1s ease;
}
.progress-item-pct { font-size: 12px; color: var(--text-3); min-width: 36px; text-align: right; }

.dash-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.activity-list {}
.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }
.activity-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 5px;
}
.activity-text { font-size: 13px; color: var(--text-2); line-height: 1.5; }
.activity-time { font-size: 11px; color: var(--text-4); margin-top: 3px; }

/* ── Course Player ── */
.player-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  height: calc(100vh - var(--nav-h));
}
.player-main { overflow-y: auto; }
.player-video {
  background: #000;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.player-video-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.player-play-btn {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  box-shadow: 0 0 40px var(--primary-glow);
  cursor: pointer;
  transition: all var(--transition);
}
.player-play-btn:hover { transform: scale(1.08); box-shadow: 0 0 60px rgba(108,99,255,0.5); }
.player-info { padding: 28px; }
.player-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.player-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.player-desc { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 24px; }
.player-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.player-sidebar {
  background: var(--bg-2);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}
.player-sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-2);
  z-index: 10;
}
.player-sidebar-title { font-size: 15px; font-weight: 700; }
.player-sidebar-progress { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.lesson-section {}
.lesson-section-title {
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-4);
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
}
.lesson-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.lesson-item:hover { background: var(--bg-3); }
.lesson-item.active { background: var(--primary-glow); border-left: 3px solid var(--primary); }
.lesson-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  transition: all var(--transition);
}
.lesson-item.completed .lesson-check {
  background: var(--green);
  border-color: var(--green);
  color: white;
}
.lesson-item.active .lesson-check {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.lesson-title { font-size: 13px; font-weight: 500; flex: 1; }
.lesson-duration { font-size: 11px; color: var(--text-4); }
.lesson-lock { font-size: 11px; color: var(--text-4); }

/* ── Courses Page ── */
.courses-hero {
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-2); }
.course-thumb {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  overflow: hidden;
}
.course-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.5), transparent);
}
.course-body { padding: 20px; }
.course-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.course-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.course-desc { font-size: 13px; color: var(--text-3); line-height: 1.6; margin-bottom: 16px; }
.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.course-meta-left { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--text-3); }
.course-meta-left span { display: flex; align-items: center; gap: 4px; }

/* ── Filters ── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-btn {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary-glow);
  border-color: rgba(108,99,255,0.4);
  color: var(--primary-2);
}
.search-bar {
  flex: 1;
  max-width: 320px;
  position: relative;
}
.search-bar input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text);
  font-size: 13px;
  transition: all var(--transition);
}
.search-bar input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-4);
  font-size: 13px;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  max-width: 360px;
  animation: slideInRight 0.3s ease;
}
.toast.success { border-color: rgba(34,197,94,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }
.toast-icon { font-size: 18px; }
.toast-text { color: var(--text-2); }
.toast-close { margin-left: auto; color: var(--text-4); cursor: pointer; font-size: 16px; padding: 2px; }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.modal-close {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-3);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--bg-4); color: var(--text); }

/* ── Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }
.fade-up-5 { animation-delay: 0.5s; }

.loading-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Tabs ── */
.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}
.tab-btn {
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary-2); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Mobile Nav ── */
.mobile-nav {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0; bottom: 0;
  background: rgba(7,7,15,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  padding: 28px 24px 40px;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(.16,1,.3,1);
  overflow-y: auto;
  border-top: 1px solid var(--border);
}
.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-nav-links { list-style: none; }
.mobile-nav-links li { opacity: 0; transform: translateX(-14px); transition: opacity 0.25s, transform 0.25s; }
.mobile-nav.open .mobile-nav-links li { opacity: 1; transform: translateX(0); }
.mobile-nav.open .mobile-nav-links li:nth-child(1) { transition-delay: .05s; }
.mobile-nav.open .mobile-nav-links li:nth-child(2) { transition-delay: .10s; }
.mobile-nav.open .mobile-nav-links li:nth-child(3) { transition-delay: .15s; }
.mobile-nav.open .mobile-nav-links li:nth-child(4) { transition-delay: .20s; }
.mobile-nav.open .mobile-nav-links li:nth-child(5) { transition-delay: .25s; }
.mobile-nav-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 0;
  font-size: 19px;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 0.18s, padding-left 0.18s;
}
.mobile-nav-links a::after { content: '›'; font-size: 22px; color: var(--border-2); transition: color 0.18s, transform 0.18s; }
.mobile-nav-links a:hover { color: var(--text); padding-left: 4px; }
.mobile-nav-links a:hover::after { color: var(--primary-2); transform: translateX(3px); }
/* Mobile nav CTA buttons */
.mobile-nav-ctas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
}
.mobile-nav-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--primary-glow), transparent);
  margin: 20px 0 4px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-visual { display: none; }
  .player-layout { grid-template-columns: 1fr; }
  .player-sidebar { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-right .btn { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .auth-form-side { padding: 40px 24px; }
  .dash-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 20px; align-items: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .dash-grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* ── Misc ── */
.divider { height: 1px; background: var(--border); margin: 32px 0; }
.text-primary { color: var(--primary-2); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-3); }
.text-sm { font-size: 13px; }
.font-bold { font-weight: 700; }

/* Page transition */
.page-fade { animation: fadeUp 0.5s ease both; }

/* Gradient border card */
.grad-border {
  position: relative;
  border-radius: var(--radius-lg);
}
.grad-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  border-radius: inherit;
  z-index: -1;
}

/* Noise texture overlay */
.noise::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.3;
  border-radius: inherit;
}

/* Upgrade banner */
.upgrade-banner {
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.upgrade-banner-text h4 { font-size: 15px; font-weight: 700; }
.upgrade-banner-text p { font-size: 13px; color: var(--text-3); margin-top: 4px; }

/* Plan chip */
.plan-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.plan-free { background: rgba(148,163,184,0.15); color: #94a3b8; }
.plan-pro { background: var(--primary-glow); color: var(--primary-2); }
.plan-elite { background: var(--gold-glow); color: var(--gold); }

/* Number stat large */
.big-stat {
  font-size: 3.5rem;
  font-weight: 900;
  font-family: var(--font-display);
  line-height: 1;
}

/* Checklist */
.check-list { list-style: none; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-2);
}
.check-list li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}