* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8fafc;
  color: #0f172a;
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, #0ea5e9, #22c55e);
  color: white;
  padding: 28px 20px;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.brand {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.tagline {
  margin: 8px 0 0;
  font-size: 1rem;
}

nav {
  background: #082f49;
}

nav .container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 14px 0;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 700;
}

nav a:hover,
nav a.active {
  background: rgba(255,255,255,0.18);
}

.hero {
  padding: 80px 0;
  background: linear-gradient(rgba(15,23,42,0.50), rgba(15,23,42,0.50)),
    url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1400&q=80') center/cover no-repeat;
  color: white;
  text-align: center;
}

.hero h2 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  margin: 0 0 12px;
}

.hero p {
  max-width: 720px;
  margin: 0 auto 24px;
  font-size: 1.1rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 700;
  transition: 0.2s ease;
}

.btn-primary {
  background: #0f172a;
  color: white;
}

.btn-secondary {
  background: white;
  color: #0f172a;
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

main {
  padding: 50px 0 70px;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 10px;
  text-align: center;
}

.section-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 34px;
  color: #334155;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-top: 0;
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
}

.band {
  background: #e0f2fe;
  padding: 50px 0;
}

.list {
  padding-left: 18px;
}

.highlight {
  background: #dcfce7;
  border-left: 6px solid #22c55e;
  padding: 18px;
  border-radius: 10px;
}

footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 26px 20px;
  margin-top: 30px;
}

footer p {
  margin: 6px 0;
}

.small {
  font-size: 0.95rem;
  color: #cbd5e1;
}

.contact-box {
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  header {
    text-align: center;
  }

  .brand {
    font-size: 1.7rem;
  }

  .hero {
    padding: 60px 0;
  }

  nav .container {
    justify-content: center;
  }
}