:root {
  --nav-bg: #4338CA;
  --heading: #3730A3;
  --body-text: #1F2937;
  --accent: #F59E0B;
  --accent-hover: #d97f06;
  --white: #FFFFFF;
  --light-bg: #F5F5F8;
  --border: #E5E7EB;
}

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

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--body-text);
  background: var(--white);
  line-height: 1.6;
}

a { text-decoration: none; color: var(--accent); }
a:hover { color: var(--accent-hover); }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Announcement bar */
.announcement-bar {
  background: var(--heading);
  color: var(--white);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.announcement-bar a { color: var(--white); text-decoration: underline; }

/* Nav */
.site-header {
  background: var(--white);
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-weight: 700;
  font-size: 1.3rem;
}

.logo .bracket {
  background: var(--nav-bg);
  color: var(--white);
  border-radius: 6px;
  padding: 4px 8px;
  font-family: 'Courier New', monospace;
}

.logo .amp { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--body-text);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.nav-cta {
  background: var(--nav-bg);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
}

.nav-cta:hover { background: var(--heading); color: var(--white) !important; }

/* Trust checkmarks */
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  list-style: none;
  margin-top: 24px;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--body-text);
}

.trust-list .check { color: var(--accent); font-weight: 800; }

.btn-secondary {
  display: inline-block;
  background: var(--white);
  color: var(--heading);
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  border: 2px solid var(--border);
}

.btn-secondary:hover { border-color: var(--heading); color: var(--heading); }

/* Hero */
.hero {
  background: linear-gradient(135deg, #F5F3FF 0%, #FFF7ED 100%);
  color: var(--body-text);
  padding: 80px 0 90px;
}

.hero-inner { max-width: 700px; }

.hero .eyebrow {
  color: var(--heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 18px;
  color: var(--heading);
}

.hero p {
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 10px;
  color: #4B5563;
}

.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }

.badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  border: none;
  cursor: pointer;
}

.btn:hover { background: var(--accent-hover); color: var(--white); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover { border-color: var(--white); color: var(--white); }

/* How It Works */
.how-it-works { text-align: center; }

.how-it-works .eyebrow {
  color: var(--heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.how-it-works h2 {
  font-size: 2.6rem;
  margin-bottom: 14px;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}

.how-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  background: var(--white);
}

.how-num {
  background: var(--nav-bg);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.how-card h3 {
  color: var(--body-text);
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.how-card p { color: #6B7280; font-size: 0.95rem; }

/* Sections */
section { padding: 64px 0; }

h2 {
  color: var(--heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: #6B7280;
  max-width: 560px;
  margin: 0 auto 40px;
}

/* Course cards */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.course-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.15s, transform 0.15s;
  background: var(--white);
}

.course-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.course-thumb {
  background: var(--nav-bg);
  color: var(--white);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', monospace;
  font-size: 2.5rem;
  font-weight: 700;
}

.course-card-body { padding: 24px; }

.course-card-body h3 {
  color: var(--heading);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.course-card-body p {
  color: #6B7280;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.course-meta {
  display: flex;
  gap: 14px;
  font-size: 0.85rem;
  color: #6B7280;
  margin-bottom: 18px;
}

/* Why section */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.why-item { text-align: center; }

.why-icon {
  width: 56px;
  height: 56px;
  background: var(--light-bg);
  color: var(--heading);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
  font-weight: 700;
}

.why-item h3 {
  color: var(--heading);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.why-item p { color: #6B7280; font-size: 0.95rem; }

.bg-light { background: var(--light-bg); }

/* Course page specific */
.course-hero {
  background: var(--nav-bg);
  color: var(--white);
  padding: 60px 0;
}

.course-hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.course-hero h1 { color: var(--white); font-size: 2.2rem; margin-bottom: 14px; }
.course-hero p { color: rgba(255,255,255,0.9); margin-bottom: 20px; }

.enroll-card {
  background: var(--white);
  color: var(--body-text);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
}

.enroll-card .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 4px;
}

.enroll-card .btn { width: 100%; margin-top: 16px; margin-bottom: 12px; }

.enroll-note { font-size: 0.85rem; color: #6B7280; }

.curriculum-list {
  list-style: none;
  max-width: 700px;
  margin: 0 auto;
}

.curriculum-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.curriculum-num {
  background: var(--heading);
  color: var(--white);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.curriculum-list strong { color: var(--body-text); display: block; margin-bottom: 2px; }
.curriculum-list span { color: #6B7280; font-size: 0.92rem; }

.pill-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; max-width: 700px; margin: 0 auto; }
.pill-list li {
  background: var(--light-bg);
  color: var(--heading);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.breadcrumb {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,0.9); }

/* Footer */
.site-footer {
  background: var(--nav-bg);
  color: rgba(255,255,255,0.85);
  padding: 40px 0;
  text-align: center;
  margin-top: 40px;
}

.site-footer p { font-size: 0.9rem; }
.site-footer a { color: var(--white); font-weight: 600; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .course-hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}