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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1e293b;
  background: #ffffff;
  line-height: 1.6;
}

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

/* CONTAINER */
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid #e2e8f0;
  z-index: 50;
  padding: 10px 0;
}

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

nav a {
  margin-left: 20px;
  color: #1e293b;
  font-weight: 500;
}

nav a.active {
  color: #2563eb;
}

.logo img {
  height: 48px;
}

/* HERO */
.hero {
  text-align: center;
  padding: 90px 0;
}

.hero-logo {
  height: 120px;
  margin-bottom: 25px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
}

.hero-subtitle {
  max-width: 650px;
  margin: 15px auto 35px;
  color: #475569;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #f1f5f9;
  color: #1e293b;
  font-weight: 600;
  transition: 0.2s;
}

.btn:hover {
  background: #e2e8f0;
}

.btn.primary {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.btn.small {
  padding: 8px 18px;
  font-size: 0.9rem;
}

/* SECTIONS */
.section {
  padding: 70px 0;
}

.section.alt {
  background: #f8fafc;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 35px;
  text-align: center;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

/* CARDS */
.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  font-weight: 600;
}

/* FOOTER */
.footer {
  padding: 50px 0;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 700;
  margin-bottom: 8px;
}