:root {
  --primary: #0d47a1;
  --primary-dark: #0b3c8a;
  --secondary: #0f9d58;
  --text: #0f172a;
  --muted: #52607a;
  --bg: #f7f9fc;
  --border: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5rem;
  color: var(--text);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

ul {
  padding-left: 1.1rem;
  margin: 0 0 1rem;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
}

.nav-links a.active {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.2rem;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

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

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

.btn-secondary {
  background: #e8f1ff;
  color: var(--primary);
  border-color: #cddffb;
}

.btn-outline {
  background: var(--white);
  color: var(--primary);
  border-color: #cddffb;
}

.btn-link {
  padding: 0;
  background: none;
  color: var(--primary);
  border: none;
}

.btn.full {
  width: 100%;
}

.hero {
  padding: 4rem 0 3rem;
  background: radial-gradient(circle at 20% 20%, #e8f1ff 0, #e8f1ff 20%, transparent 35%), #f7f9fc;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
}

.lead {
  font-size: 1.05rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
}

.cta-group {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.highlights {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
}

.highlights li {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 0.9rem;
}

.hero-card,
.info-card,
.map-card,
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  padding: 0;
}

.hero-card li {
  margin-bottom: 0.6rem;
  color: var(--muted);
}

.section {
  padding: 3rem 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: 2rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block;
  background: #e8f1ff;
  color: var(--primary);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.list-check {
  list-style: none;
  padding: 0;
}

.list-check li {
  margin-bottom: 0.6rem;
  padding-left: 1.3rem;
  position: relative;
  color: var(--muted);
}

.list-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 700;
}

.contact-details div {
  margin-bottom: 0.5rem;
  color: var(--muted);
}

.map-card {
  min-height: 280px;
}

iframe {
  border-radius: 12px;
}

.footer {
  background: #0b2347;
  color: #cfd8e3;
  padding: 2.5rem 0 1.5rem;
}

.footer h3,
.footer h4 {
  color: #fff;
}

.footer a {
  display: block;
  color: #cfd8e3;
  margin-bottom: 0.4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.footer-bottom {
  text-align: center;
  margin-top: 1rem;
  color: #9fb3d7;
}

.page-hero {
  padding: 3rem 0 2rem;
  background: var(--bg);
}

.course-list ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.stat-card {
  text-align: center;
}

.stat-card h3 {
  font-size: 1.8rem;
  color: var(--primary);
}

.floating-btn {
  position: fixed;
  bottom: 18px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  border: none;
  box-shadow: var(--shadow);
  z-index: 1200;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.5rem;
}

.floating-btn span {
  display: none;
}

.floating-btn.whatsapp {
  left: 16px;
  background: #25d366;
}

.floating-btn.call {
  right: 16px;
  background: var(--primary);
}

.floating-btn.contact {
  left: 50%;
  transform: translateX(-50%);
  background: #ffb020;
  color: #0f172a;
}

.contact-panel {
  position: fixed;
  bottom: -100%;
  right: 16px;
  max-width: 340px;
  width: calc(100% - 32px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  z-index: 1300;
  transition: bottom 0.3s ease;
  padding: 1rem;
}

.contact-panel.open {
  bottom: 88px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.close-panel {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
}

.panel-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.panel-list li {
  margin-bottom: 0.5rem;
  color: var(--muted);
}

.panel-cta .btn {
  margin-bottom: 0.5rem;
}

.small {
  font-size: 0.9rem;
}

@media (min-width: 700px) {
  .floating-btn {
    width: 60px;
    height: 60px;
    font-size: 0.9rem;
  }
  .floating-btn span {
    display: block;
  }
  .contact-panel {
    bottom: -120%;
  }
  .contact-panel.open {
    bottom: 100px;
  }
}

@media (max-width: 840px) {
  .nav-toggle {
    display: inline-block;
  }
  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 1rem 1rem;
    display: none;
    flex-direction: column;
    gap: 0.8rem;
  }
  .nav-links.show {
    display: flex;
  }
  .nav {
    position: relative;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }
  .floating-btn {
    width: 52px;
    height: 52px;
  }
  .contact-panel {
    right: 12px;
    width: calc(100% - 24px);
  }
}