:root {
  --ink: #111827;
  --ink-2: #1f2937;
  --muted: #667085;
  --accent: #0f6bff;
  --accent-dark: #0b4db3;
  --accent-warm: #f97316;
  --paper: #f6f7fb;
  --paper-2: #ffffff;
  --card: #ffffff;
  --line: rgba(15, 23, 42, 0.12);
  --shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(17, 24, 39, 0.03) 1px, transparent 0);
  background-size: 48px 48px;
  opacity: 0.1;
  pointer-events: none;
  z-index: -2;
}

.orb {
  display: none;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input {
  font-family: inherit;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

section[id] {
  scroll-margin-top: 96px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 2.8vw, 3.1rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(2rem, 2.6vw, 2.6rem);
  line-height: 1.2;
}

h3 {
  font-size: 1.3rem;
}

p {
  color: var(--ink-2);
}

.muted {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.site-header.scrolled {
  background: #ffffff;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #7C3AED, #3B82F6);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: -0.5px;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

.logo-text {
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a {
  padding: 6px 0;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.btn.primary:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
}

.btn.outline {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn.ghost {
  background: transparent;
  color: var(--muted);
}

.btn.small {
  padding: 8px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
}

.btn:focus-visible,
.nav-links a:focus-visible,
.nav-toggle:focus-visible {
  outline: 3px solid rgba(15, 107, 255, 0.35);
  outline-offset: 2px;
}

.section {
  padding: 80px 0;
}

.hero {
  padding-top: 120px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.hero-copy p {
  margin: 18px 0 24px;
}

.search {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
  flex-wrap: wrap;
}

.search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 12px;
  background: transparent;
  min-width: 220px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 18px 0 20px;
  flex-wrap: wrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.stat {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.05);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
}

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

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #e4e7ec;
  background: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
}

.pill.highlight {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
}

.hero-panel {
  background: var(--card);
  border: 1px solid #e4e7ec;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.panel-title {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.panel-meta {
  color: var(--muted);
}

.badge {
  background: var(--accent);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
}

.badge.subtle {
  background: rgba(15, 107, 255, 0.12);
  color: var(--accent-dark);
}

.player-mock {
  margin: 18px 0;
  background: linear-gradient(135deg, #0f172a, #0f6bff);
  color: #ffffff;
  border-radius: 18px;
  padding: 18px;
}

.mock-thumb {
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.mock-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.75));
  z-index: 0;
}

.mock-thumb > * {
  position: relative;
  z-index: 1;
}

.player-mock p {
  color: rgba(255, 255, 255, 0.85);
}

.player-top {
  display: flex;
  gap: 10px;
}

.chip {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 107, 255, 0.12);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 600;
}

.chip.dark {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.player-mock .chip {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.play-button {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #ffffff;
  display: grid;
  place-items: center;
  margin: 18px auto 10px;
  box-shadow: 0 10px 20px rgba(15, 27, 45, 0.25);
}

.play-button.big {
  width: 70px;
  height: 70px;
}

.play-button span {
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid var(--ink);
  margin-left: 4px;
}

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

.playlist-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.playlist-item span {
  color: var(--muted);
  font-size: 0.85rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
}

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

.sponsor-title {
  font-weight: 600;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 26px;
}

.carousel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}

.course-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.06);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.thumb {
  position: relative;
  height: 160px;
  padding: 14px;
  color: #ffffff;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  background-size: cover;
  background-position: center;
}

.thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.12), rgba(15, 23, 42, 0.55));
  z-index: 0;
}

.thumb > * {
  position: relative;
  z-index: 1;
}

.thumb-tag {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.thumb-duration {
  font-size: 0.85rem;
  font-weight: 600;
}

.t1 { background: linear-gradient(135deg, #2b59c3, #0f6bff); }
.t2 { background: linear-gradient(135deg, #ff6b4a, #f59e0b); }
.t3 { background: linear-gradient(135deg, #10b981, #14b8a6); }
.t4 { background: linear-gradient(135deg, #6366f1, #0f6bff); }
.t5 { background: linear-gradient(135deg, #1f2937, #0f6bff); }
.t6 { background: linear-gradient(135deg, #f97316, #facc15); }

.card-body {
  padding: 16px;
  flex: 1;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 8px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px 16px;
}

.price.free {
  font-weight: 700;
  color: var(--accent-dark);
}

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #ffffff;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.arrow {
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--ink);
  border-right: 2px solid var(--ink);
  display: inline-block;
}

.arrow.right {
  transform: rotate(45deg);
}

.arrow.left {
  transform: rotate(-135deg);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.category-card {
  display: flex;
  gap: 14px;
  align-items: center;
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 22px rgba(15, 23, 42, 0.12);
  border-color: rgba(15, 107, 255, 0.28);
}

.icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #f4f6ff;
  display: grid;
  place-items: center;
  color: var(--accent-dark);
}

.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.path-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.06);
}

.path-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.path-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.path-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.path-list span {
  background: #f3f4f6;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: center;
}

.checklist {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 18px 0 20px;
}

.checklist li {
  padding-left: 26px;
  position: relative;
  color: var(--ink-2);
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.focus-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.player-frame {
  background: #0f172a;
  color: #ffffff;
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.player-topbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.player-screen {
  flex: 1;
  text-align: center;
  padding: 26px 0;
}

.player-frame .player-screen p {
  color: rgba(255, 255, 255, 0.7);
}

.player-timeline {
  display: grid;
  gap: 10px;
}

.timeline-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

.timeline-progress {
  display: block;
  width: 60%;
  height: 100%;
  background: var(--accent);
}

.timeline-notes {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: #d6e0ef;
}

.focus-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.focus-label {
  font-size: 0.8rem;
  color: var(--muted);
}

.focus-value {
  font-weight: 700;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.value-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.pricing {
  background: #ffffff;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}

.pricing-card[data-tier='pro'] {
  border: 2px solid var(--accent);
  box-shadow: 0 20px 40px rgba(15, 107, 255, 0.18);
  transform: translateY(-6px);
}

.price {
  font-size: 2.3rem;
  font-family: var(--font-display);
  margin: 12px 0;
}

.price span {
  font-size: 1rem;
  color: var(--muted);
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 18px 0 20px;
}

.feature-list li {
  padding-bottom: 6px;
  border-bottom: 1px dashed #e4e7ec;
}

.pricing-note {
  margin-top: 18px;
  color: var(--muted);
}

.revenue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.revenue-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 16px;
}

.creator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.creator-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 8px;
}

.creator-avatar {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #0f172a;
  color: #ffffff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 18px;
  font-style: italic;
}

.testimonial-card cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  color: var(--muted);
  font-weight: 600;
}

.faq-grid {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 14px 18px;
}

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

.faq-item p {
  margin-top: 10px;
  color: var(--muted);
}

.cta {
  padding-top: 40px;
}

.cta-box {
  background: #0f172a;
  color: #ffffff;
  border-radius: 28px;
  padding: 30px;
  display: grid;
  gap: 16px;
}

.cta-box p {
  color: #e2e8f0;
}

.cta-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-form input {
  flex: 1;
  min-width: 220px;
  border-radius: 12px;
  border: none;
  padding: 12px 16px;
}

.cta-note {
  font-size: 0.85rem;
}

.course-hero {
  padding: 120px 0 30px;
}

.course-meta {
  color: var(--muted);
  font-weight: 600;
  margin-top: 10px;
}

.course-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.player-shell {
  background: #0f172a;
  border-radius: 18px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.player-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 14px;
  background: #0f172a;
}

.course-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.lesson-panel {
  background: #ffffff;
  border: 1px solid #e4e7ec;
  border-radius: var(--radius);
  padding: 16px;
  max-height: 560px;
  overflow: auto;
}

.lesson-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 12px;
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
}

.lesson-item + .lesson-item {
  margin-top: 8px;
}

.lesson-item.active {
  border-color: var(--accent);
  background: rgba(15, 107, 255, 0.08);
}

.lesson-index {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--ink);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-weight: 600;
}

.lesson-info p {
  margin-bottom: 4px;
  color: var(--ink);
}

.lesson-info span {
  color: var(--muted);
  font-size: 0.85rem;
}

.catalog-hero {
  padding: 120px 0 40px;
}

.catalog-search {
  max-width: 560px;
  margin-top: 18px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.filter-chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}

.filter-chip.active {
  background: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
}

.catalog-meta {
  margin-bottom: 16px;
  color: var(--muted);
  font-weight: 600;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--muted);
}

.empty-state {
  padding: 40px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
  background: #ffffff;
}

.site-footer {
  padding: 40px 0 24px;
  border-top: 1px solid #e4e7ec;
  background: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.footer-grid a {
  display: block;
  margin: 8px 0;
  color: var(--muted);
}

.footer-bottom {
  text-align: center;
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .nav {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: #ffffff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    z-index: 20;
  }

  body.nav-open .nav-menu {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    gap: 12px;
  }

  .nav-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-grid,
  .focus-grid,
  .course-layout {
    grid-template-columns: 1fr;
  }

  .panel-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 70px 0;
  }

  .hero {
    padding-top: 120px;
  }

  .nav-menu {
    top: 64px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .search {
    border-radius: 18px;
    padding: 12px;
  }

  .search input {
    width: 100%;
  }

  .search .btn {
    width: 100%;
  }

  .carousel {
    grid-auto-columns: minmax(220px, 1fr);
  }

  .cta-form {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Dark Mode Theme */
[data-theme="dark"] {
  --ink: #f9fafb;
  --ink-2: #e5e7eb;
  --muted: #9ca3af;
  --paper: #111827;
  --paper-2: #1f2937;
  --card: #1f2937;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .site-header,
[data-theme="dark"] .stat,
[data-theme="dark"] .search,
[data-theme="dark"] .pill,
[data-theme="dark"] .icon-btn,
[data-theme="dark"] .btn.small,
[data-theme="dark"] .btn.outline,
[data-theme="dark"] .category-card,
[data-theme="dark"] .path-card,
[data-theme="dark"] .course-card,
[data-theme="dark"] .focus-card,
[data-theme="dark"] .nav-toggle,
[data-theme="dark"] .value-card,
[data-theme="dark"] .creator-card,
[data-theme="dark"] .testimonial-card,
[data-theme="dark"] .faq-item,
[data-theme="dark"] .lesson-panel,
[data-theme="dark"] .filter-chip {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
}

[data-theme="dark"] body {
  background: var(--paper);
}

[data-theme="dark"] .site-footer {
  background: var(--paper-2);
  border-color: var(--line);
}

[data-theme="dark"] .icon { background: #374151; }
[data-theme="dark"] .path-list span { background: #374151; color: #fff; }

[data-theme="dark"] .empty-state {
  background: var(--card);
  border-color: var(--line);
}

[data-theme="dark"] .nav-links {
  color: #d1d5db;
}

[data-theme="dark"] .nav-links a {
  color: #d1d5db;
}

[data-theme="dark"] .nav-links a:hover {
  color: #fff;
  border-color: var(--accent);
}

[data-theme="dark"] .logo-text {
  color: var(--ink);
}

[data-theme="dark"] .course-card h3,
[data-theme="dark"] .path-card h3,
[data-theme="dark"] .category-card h4,
[data-theme="dark"] .testimonial-card p,
[data-theme="dark"] .value-card h3,
[data-theme="dark"] .faq-item h3 {
  color: var(--ink);
}

/* Premium UI & UX Enhancements */

/* Floating Orbs Animation */
.orb {
  display: block !important;
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  z-index: -2;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}
.orb-1 { width: 400px; height: 400px; background: var(--accent); top: -100px; left: -100px; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: #ec4899; top: 30%; right: -50px; animation-delay: -5s; }
.orb-3 { width: 500px; height: 500px; background: #6366f1; bottom: 10%; left: 20%; animation-delay: -10s; }
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-40px) scale(1.05); }
}

/* Button Glow Pulse */
.btn.primary {
  position: relative;
  overflow: hidden;
}
.btn.primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmerBtn 3s infinite;
}
@keyframes shimmerBtn {
  100% { left: 200%; }
}

/* Glassmorphism Mobile Nav */
@media (max-width: 980px) {
  .nav-menu {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  [data-theme="dark"] .nav-menu {
    background: rgba(31, 41, 55, 0.75) !important;
  }
}

/* Sticky Sidebar for Course Player */
@media (min-width: 981px) {
  .lesson-panel {
    position: sticky;
    top: 100px;
    height: calc(100vh - 140px);
    max-height: calc(100vh - 140px);
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
  pointer-events: none;
}
.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 22px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px) scale(0.9);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
}
.toast.show {
  transform: translateY(0) scale(1);
  opacity: 1;
}
[data-theme="dark"] .toast {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
}

/* Skeleton Loading Cards */
.skeleton {
  background: #f1f5f9;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}
[data-theme="dark"] .skeleton {
  background: #374151;
  background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
  background-size: 400% 100%;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  display: flex;
  flex-direction: column;
  height: 320px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.skeleton-thumb { height: 160px; width: 100%; border-radius: 0; }
.skeleton-body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 14px; }
.skeleton-title { height: 26px; width: 85%; border-radius: 6px; }
.skeleton-text { height: 18px; width: 65%; border-radius: 6px; }
.skeleton-meta { height: 18px; width: 45%; border-radius: 6px; margin-top: auto; }

/* Auth Guard Flash Prevention */
body:not(.auth-checked) {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}