:root {
  --navy: #12294d;
  --navy-dark: #0b1c36;
  --blue: #1e5aa8;
  --blue-light: #eaf1fb;
  --gold: #f2a900;
  --gold-dark: #d99400;
  --gray-700: #4a5568;
  --gray-500: #718096;
  --white: #ffffff;
  --off-white: #f7f9fc;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(18, 41, 77, 0.08);
  --container: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--navy-dark);
  line-height: 1.6;
  background: var(--white);
}

h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  color: var(--navy);
  line-height: 1.25;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  color: var(--gold-dark);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head h2 { font-size: 2rem; margin-bottom: 12px; }
.section-sub { color: var(--gray-700); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
}
.btn-primary:hover { background: var(--gold-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); }
.btn-lg { padding: 15px 32px; font-size: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(18,41,77,0.06);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand-logo { height: 52px; width: auto; }
.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-weight: 500;
  color: var(--navy);
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--blue); }

.header-actions { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%);
  padding: 72px 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-text h1 {
  font-size: 2.6rem;
  margin-bottom: 18px;
}
.hero-sub {
  color: var(--gray-700);
  font-size: 1.05rem;
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Stats */
.stats {
  background: var(--navy);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-number {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--gold);
}
.stat-label {
  display: block;
  color: #cdd8ea;
  font-size: 0.9rem;
  margin-top: 6px;
}

/* About */
.about { padding: 88px 0; }
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.about-text h2 { font-size: 1.9rem; margin-bottom: 18px; }
.about-text p { color: var(--gray-700); margin-bottom: 16px; }
.check-list { margin-top: 20px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--navy);
  font-weight: 500;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold-dark);
  font-weight: 700;
}

/* Course */
.course { padding: 88px 0; background: var(--off-white); }
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.module-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.module-icon { font-size: 2.2rem; margin-bottom: 14px; }
.module-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.module-card p { color: var(--gray-700); font-size: 0.92rem; }

.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.feature-item {
  border-left: 3px solid var(--gold);
  padding-left: 18px;
}
.feature-item h4 { font-size: 1rem; margin-bottom: 6px; }
.feature-item p { color: var(--gray-700); font-size: 0.9rem; }

.course-cta { text-align: center; }

/* Why us */
.why-us { padding: 88px 0; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.why-card {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--blue-light);
}
.why-icon { font-size: 1.9rem; margin-bottom: 12px; }
.why-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.why-card p { color: var(--gray-700); font-size: 0.92rem; }

/* Testimonials */
.testimonials { padding: 88px 0; background: var(--off-white); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.stars { color: var(--gold); margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card p {
  color: var(--navy);
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author img {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial-author strong { display: block; font-size: 0.95rem; }
.testimonial-author span { color: var(--gray-500); font-size: 0.85rem; }

/* FAQ */
.faq { padding: 88px 0; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid #e2e8f0;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 4px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--navy);
  cursor: pointer;
}
.faq-icon {
  font-size: 1.3rem;
  color: var(--gold-dark);
  transition: transform 0.2s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p {
  padding: 0 4px 20px;
  color: var(--gray-700);
}

/* CTA Banner */
.cta-banner {
  position: relative;
  padding: 90px 0;
  background: url('../assets/images/cta-bg.jpg') center/cover no-repeat;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,28,54,0.88), rgba(11,28,54,0.88));
}
.cta-inner {
  position: relative;
  text-align: center;
  color: var(--white);
}
.cta-inner h2 { color: var(--white); font-size: 2rem; margin-bottom: 14px; }
.cta-inner p { color: #dbe4f2; margin-bottom: 28px; }

/* Footer */
.site-footer { background: var(--navy-dark); color: #c8d3e6; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding: 64px 24px 40px;
}
.footer-logo {
  height: 56px;
  margin-bottom: 14px;
  background: var(--white);
  padding: 6px 10px;
  border-radius: 8px;
}
.footer-brand p { font-size: 0.9rem; max-width: 280px; }
.footer-col h4 { color: var(--white); font-size: 1rem; margin-bottom: 16px; }
.footer-col a { display: block; margin-bottom: 10px; font-size: 0.9rem; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 200;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .about-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .module-grid, .feature-row { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    box-shadow: 0 12px 20px rgba(18,41,77,0.08);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-actions .btn { padding: 10px 18px; font-size: 0.85rem; }
  .hero-text h1 { font-size: 2rem; }
  .module-grid, .feature-row, .why-grid, .testimonial-grid { grid-template-columns: 1fr; }
}