/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --dark-bg: #0e1629;
  --card-bg: #162d44;
  --accent: #3a9db5;
  --accent-dark: #2e7f94;
  --text-white: #ffffff;
  --text-light: #c8d6e5;
  --section-alt: #0b1220;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--dark-bg);
  color: var(--text-white);
  line-height: 1.6;
}

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

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 22, 41, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(58, 157, 181, 0.15);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo-img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: 0.2s;
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px 60px;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 22, 41, 0.7);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-logo {
  width: 750px;
  height: auto;
  margin-bottom: 28px;
}

.hero-tagline {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  margin: 6px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--dark-bg);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--dark-bg);
}

/* === Sections === */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--section-alt);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 48px;
}

/* === Features Grid === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(58, 157, 181, 0.12);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* === Programs Grid === */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.program-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(58, 157, 181, 0.12);
}

.program-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.program-type {
  background: var(--accent);
  color: var(--dark-bg);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.program-price {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.program-name {
  color: var(--text-white);
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.program-audience {
  color: var(--text-light);
  font-size: 0.85rem;
  font-style: italic;
  margin-bottom: 16px;
}

.program-details {
  list-style: none;
  flex: 1;
}

.program-details li {
  color: var(--text-light);
  font-size: 0.9rem;
  padding: 4px 0 4px 16px;
  position: relative;
}

.program-details li::before {
  content: "\2022";
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: 700;
}

/* === Benefits === */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 28px 24px;
  border-top: 3px solid var(--accent);
}

.benefit-card h3 {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.benefit-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* === Contact === */
.contact-section {
  text-align: center;
}

.contact-tagline {
  color: var(--text-light);
  font-size: 1.15rem;
  margin-bottom: 40px;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.contact-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 28px 36px;
  text-decoration: none;
  text-align: center;
  min-width: 200px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(58, 157, 181, 0.15);
}

.contact-icon {
  margin-bottom: 8px;
}

.contact-icon svg {
  width: 36px;
  height: 36px;
  fill: var(--accent);
}

.contact-card h3 {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* === Footer === */
.footer {
  border-top: 1px solid rgba(58, 157, 181, 0.15);
  padding: 40px 0;
}

.footer-content {
  text-align: center;
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 12px;
}

.footer-content p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.footer-sub {
  color: var(--accent);
  font-style: italic;
  margin-top: 4px;
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(14, 22, 41, 0.98);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(58, 157, 181, 0.15);
  }

  .nav-links.open {
    display: flex;
  }

  .hero-content {
    max-width: 90vw;
  }

  .hero-logo {
    display: block;
    width: 110vw;
    max-width: none;
    position: relative;
    left: 50%;
    transform: translateX(calc(-50% - 7px));
  }

  .hero-tagline {
    font-size: 1.15rem;
  }

  .hero-description {
    font-size: 1.15rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .features-grid,
  .programs-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .contact-links {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 60px 0;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .features-grid,
  .programs-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}