/* ================================
   Nexus Tech CH – Global Styles
================================ */

:root {
  --primary: #0b2b44;
  --secondary: #123e63;
  --accent: #2563eb;
  --light: #f4f7fb;
  --white: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1280px;
  margin: auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--primary);
}

a {
  text-decoration: none;
}

.section {
  padding: 100px 0;
}

.button {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 40px;
  font-weight: 600;
  transition: 0.3s;
}

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

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

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

/* Header */
header {
  background: var(--white);
  padding: 20px 0;
  border-bottom: 1px solid #e2e8f0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
}

.logo span {
  color: var(--accent);
  font-weight: 400;
}

nav a {
  margin-left: 28px;
  color: var(--text);
  font-weight: 500;
}

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

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.card {
  background: var(--white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.05);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-8px);
}

.card h3 {
  margin-bottom: 20px;
}

/* Footer */
footer {
  background: var(--primary);
  color: #cbd5e1;
  padding: 60px 0;
}

footer a {
  color: #cbd5e1;
}

footer a:hover {
  color: white;
}