body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  background: #000;
  color: #fff;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
}

.logo {
  height: 36px;
}

.cta {
  background: #FF3B30;
  color: #fff;
  padding: 10px 16px;
  text-decoration: none;
  border-radius: 6px;
}

/* HERO */
.hero {
  position: relative;
  height: 85vh;
  background: url('bg.png') center/cover no-repeat;
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.95));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 120px 30px;
}

h1 {
  font-size: 56px;
  line-height: 1.05;
  margin-bottom: 20px;
}

.sub {
  font-size: 20px;
  color: rgba(235,235,245,0.6);
}

/* SECTIONS */
.section {
  padding: 80px 30px;
}

.section.alt {
  background: #0a0a0a;
}

.container {
  max-width: 900px;
}

h2 {
  color: #FF3B30;
  margin-top: 40px;
}

p {
  color: rgba(235,235,245,0.6);
  font-size: 18px;
  line-height: 1.6;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  background: #111;
  padding: 20px;
  border-radius: 8px;
}

/* FOOTER */
footer {
  padding: 40px 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

footer a {
  margin-right: 20px;
  color: rgba(235,235,245,0.6);
  text-decoration: none;
}

.button {
  display: inline-block;
  margin-top: 20px;
  background: #FF3B30;
  color: #fff;
  padding: 14px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.button:hover {
  background: #FF2D20;
}