/* Load SF Pro Display Bold */
@font-face {
  font-family: 'SF Pro Display';
  src: url('SF-Pro-Display-Bold.otf') format('opentype');
  font-weight: bold;
  font-style: normal;
}

:root {
  --bg-color: #0b0c10;     /* very dark navy */
  --text-color: #f0f0f0;
  --accent: #007aff;       /* iOS blue */
  --card-bg: #16181d;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'SF Pro Display', sans-serif;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 4%;
  background: rgba(0, 0, 0, 0.7);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  max-height: 50px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: bold;
  transition: color 0.3s;
}

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

.hero {
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(120deg, #0b0c10, #141619);
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  color: #ccc;
}

.section {
  padding: 4rem 10%;
  text-align: center;
}

h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.contact a {
  color: var(--accent);
  text-decoration: none;
  font-weight: bold;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #666;
}