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

:root {
  --navy: #0B1220;
  --cyan: #00D4FF;
  --white: #F6F8FB;
  --gray: #6B7280;
  --coral: #FF4D5A;
}

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

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

img {
  max-width: 100%;
  display: block;
  border-radius: 8px;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  max-height: 50px;
}

.footer-logo {
  max-height: 100px;
}

.main-nav {
  display: flex;
  gap: 24px;
  font-weight: 600;
}

.main-nav a {
  color: var(--navy);
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--cyan);
}

.nav-toggle {
  display: none;
}

.nav-burger {
  display: none;
  background: var(--navy);
  color: var(--white);
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
}

.mobile-menu {
  display: none;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
  padding: 80px 0;
}

.section-light {
  background: var(--white);
  color: var(--navy);
  padding: 70px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 42px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  margin-bottom: 24px;
  color: #d1d5db;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn {
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
  display: inline-block;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: var(--cyan);
  color: var(--navy);
}

.btn-outline {
  border: 1px solid var(--white);
  color: var(--white);
}

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

.hero-points {
  list-style: none;
  color: #d1d5db;
}

.hero-points li {
  margin-bottom: 10px;
}

.grid-3, .grid-2 {
  display: grid;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card, .course-card {
  background: #ffffff;
  padding: 24px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  transition: transform 0.2s ease;
}

.card:hover, .course-card:hover {
  transform: translateY(-4px);
}

.card-dark {
  background: #111827;
  padding: 24px;
  border-radius: 10px;
  color: var(--white);
  border: 1px solid #1f2937;
}

.course-card img {
  margin-bottom: 16px;
}

.focus-list, .checklist {
  list-style: none;
}

.focus-list li, .checklist li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
}

.focus-list li::before, .checklist li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--coral);
}

.keyword-block {
  margin-top: 24px;
  font-style: italic;
  color: var(--gray);
}

.faq details {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  padding: 16px;
  margin-bottom: 12px;
  border-radius: 8px;
}

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

.contact-section {
  color: var(--white);
}

.contact-form {
  margin-top: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: span 2;
}

label {
  margin-bottom: 8px;
  font-weight: 600;
}

input, textarea {
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #d1d5db;
  font-family: inherit;
}

.site-footer {
  background: #0F172A;
  color: #e5e7eb;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}

.footer-nav a, .footer-legal a {
  display: block;
  margin-bottom: 8px;
  color: #e5e7eb;
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  border-top: 1px solid #1f2937;
  padding-top: 18px;
  color: #9ca3af;
}

.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: #111827;
  color: #f9fafb;
  padding: 20px;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  z-index: 200;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
  .hero-content h1 {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .nav-burger {
    display: inline-block;
  }
  .hero-grid, .grid-2, .grid-3, .form-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-dark, .section-light {
    padding: 60px 0;
  }
  .mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy);
    color: var(--white);
    padding: 30px;
    z-index: 150;
  }
  .nav-toggle:checked ~ .mobile-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .mobile-nav-links a {
    display: block;
    font-size: 22px;
    margin-bottom: 20px;
  }
  .nav-close {
    align-self: flex-end;
    background: var(--white);
    color: var(--navy);
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 30px;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
}