@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700&display=swap');

:root {
  --bg: #f7f8fb;
  --text: #0f172a;
  --card: #ffffff;
  --primary: #2563eb;
  --muted: #475569;
  --border: #e2e8f0;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
  --bg: #050505;
  --text: #f5f5f5;
  --card: #0f0f0f;
  --primary: #d1d5db;
  --muted: #9ca3af;
  --border: #1f1f1f;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(247, 248, 251, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .topbar {
  background: rgba(5, 5, 5, 0.9);
}

.logo {
  font-weight: 700;
  font-size: 1rem;
}

.nav {
  display: none;
  gap: 14px;
  align-items: center;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
}

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

.nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

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

.theme-toggle,
.menu-toggle {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.theme-toggle:hover,
.menu-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.menu-toggle {
  font-size: 1.2rem;
}

.section {
  padding: 64px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero {
  display: grid;
  gap: 24px;
  align-items: start;
}

.hero-visual {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 10px 0 16px;
}

.hero-visual .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

:root .hero-visual .day {
  display: block;
}

[data-theme="dark"] .hero-visual .day {
  display: none;
}

[data-theme="dark"] .hero-visual .night {
  display: block;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 10px 0;
}

.subtitle {
  color: var(--muted);
  margin-bottom: 14px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0;
}

.badges span {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(70px, 1fr));
  gap: 10px;
  margin: 20px 0 10px;
}

.count-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  box-shadow: var(--shadow);
}

.count-item span {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.countdown-message {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-weight: 700;
  color: var(--primary);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

[data-theme="dark"] .btn.primary {
  color: #050505;
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .btn.primary:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.65);
}

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

.btn.secondary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

[data-theme="dark"] .btn.ghost {
  background: #111111;
  border-color: #2a2a2a;
  color: #f5f5f5;
}

[data-theme="dark"] .btn.primary.ghost {
  background: var(--primary);
  color: #050505;
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.mini-note,
.tiny-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-side {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.course-info {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

.course-info li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.course-info li:last-child {
  border-bottom: none;
}

.eyebrow {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
}

.section-header {
  margin-bottom: 18px;
}

.section-header h2 {
  margin: 6px 0;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.instructor {
  display: grid;
  gap: 24px;
}

.instructor-photo {
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
  border-radius: 16px;
  object-fit: cover;
}

.highlights {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 10px 0 4px;
}

.highlights h4 {
  margin: 0 0 4px;
}

.pill-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 16px;
}

.pill {
  text-align: center;
  font-weight: 700;
}

.learning-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 20px;
}

.accordion {
  display: grid;
  gap: 10px;
}

.accordion-item {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  background: transparent;
  color: var(--text);
  border: none;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.2rem;
}

.accordion-trigger[aria-expanded="true"]::after {
  content: '–';
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 16px;
}

.accordion-panel.open {
  padding: 0 16px 14px;
}

.accordion-panel ul {
  padding-left: 18px;
  margin: 12px 0;
}

.accordion-panel li {
  font-size: 1rem;
}

.placeholder {
  background: rgba(209, 213, 219, 0.08);
  border: 1px dashed var(--primary);
  border-radius: 12px;
  padding: 12px;
  font-size: 0.95rem;
}

.schedule {
  margin-bottom: 16px;
}

.dates-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.date-card h3 {
  margin: 0 0 6px;
}

.project ul {
  margin: 12px 0;
  padding-left: 18px;
}

.ideas {
  background: rgba(209, 213, 219, 0.08);
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
}

.price {
  text-align: center;
  max-width: 420px;
  margin: 0 auto;
}

.price h2 {
  font-size: 2.4rem;
  margin: 8px 0;
}

.faq-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.footer {
  padding: 24px 20px 70px;
  text-align: center;
  color: var(--muted);
}

.mobile-cta {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 500px;
  display: flex;
  justify-content: center;
  padding: 6px;
  background: transparent;
  z-index: 999;
}

.mobile-cta .btn {
  width: 100%;
}

.fade {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Layout adjustments */
@media (min-width: 768px) {
  .topbar {
    padding: 14px 32px;
  }

  .nav {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }

  .instructor {
    grid-template-columns: 1fr 1.1fr;
  }

  .mobile-cta {
    display: none;
  }
}

/* Mobile menu styles */
@media (max-width: 767px) {
  .topbar {
    padding: 12px 16px;
  }

  .nav {
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    flex-direction: column;
    padding: 12px;
    box-shadow: var(--shadow);
  }

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

  .nav.closed {
    display: none;
  }
}

/* Focus styles */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 8px;
}