* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #020617;
  color: #e5e7eb;
  line-height: 1.6;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr; /* more space for the image */
  min-height: 100vh;
}

.hero-content {
  padding: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(180deg, #020617, #0f172a);
}

.hero-image {
  background:
    linear-gradient(to left, rgba(2,6,23,0.85), rgba(2,6,23,0.15)),
    url("hero.jpg") center / cover no-repeat;
}

/* BRAND */
.logo {
  max-width: 180px;
  margin-bottom: 40px;
}

h1 {
  font-size: 48px;
  color: #38bdf8;
  margin: 0 0 20px;
}

.subtitle {
  max-width: 560px;
  font-size: 18px;
  color: #cbd5f5;
  margin: 0 0 40px;
}

/* BUTTONS */
.buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
}

.btn.primary {
  background: #38bdf8;
  color: #020617;
}

.btn.secondary {
  border: 2px solid #38bdf8;
  color: #38bdf8;
}

/* SECTIONS */
section {
  padding: 100px 20px;
}

.container {
  max-width: 1000px;
  margin: auto;
}

h2 {
  font-size: 32px;
  color: #38bdf8;
  margin: 0 0 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.card {
  background: #020617;
  padding: 30px;
  border-radius: 12px;
}

.dark {
  background: #020617;
  text-align: center;
}

/* LIST */
ol {
  max-width: 780px;
  margin: auto;
  text-align: left;
}

a {
  color: #38bdf8;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 30px;
  font-size: 14px;
  background: #020617;
}

/* MOBILE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-image {
    min-height: 340px;
  }

  .hero-content {
    padding: 60px 30px;
  }

  h1 {
    font-size: 36px;
  }
}