/* =========================
   1. RESET / BASIS
========================= */

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #0d1117;
  color: #e6edf3;
}


/* =========================
   2. FLEX LAYOUT (Footer unten)
========================= */

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}


/* =========================
   3. CONTAINER
========================= */

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}


/* =========================
   4. TOPBAR / NAVIGATION
========================= */

.topbar {
  background: #111827;
  border-bottom: 1px solid #1f2937;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.brand {
  font-weight: bold;
  letter-spacing: 1px;
}

.nav a {
  color: #9ca3af;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: #ffffff;
}


/* =========================
   5. HERO SECTION
========================= */

.hero {
  padding: 80px 0;
  text-align: center;
}

.badge {
  color: #3b82f6;
  font-size: 14px;
  margin-bottom: 15px;
}

.hero h1 {
  font-size: 36px;
  margin: 10px 0;
}

.lead {
  color: #9ca3af;
  margin-bottom: 30px;
}


/* =========================
   6. BUTTONS
========================= */

.btn {
  display: inline-block;
  padding: 10px 18px;
  background: #2563eb;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  margin: 5px;
  transition: background 0.2s ease;
}

.btn:hover {
  background: #1d4ed8;
}

.btn--ghost {
  background: transparent;
  border: 1px solid #2563eb;
  color: #2563eb;
}

.btn--ghost:hover {
  background: #2563eb;
  color: white;
}


/* =========================
   7. CARDS
========================= */

.cards {
  padding: 70px 0;
  background: #111827;
}

.cards h2 {
  text-align: center;
}

.sub {
  text-align: center;
  color: #9ca3af;
  margin-bottom: 40px;
}

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

.card {
  background: #1f2937;
  padding: 25px;
  border-radius: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}


/* =========================
   8. CONTACT SECTION
========================= */

.contact {
  padding: 70px 0;
  text-align: center;
}


/* =========================
   9. FOOTER
========================= */

.footer {
  margin-top: auto;
  background: #0b0f14;
  text-align: center;
  padding: 18px 0;
  color: #6b7280;
  border-top: 1px solid #1f2937;
  font-size: 14px;
}