* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0b0d10;
  color: #f4f1ea;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  background:
    linear-gradient(180deg, rgba(8, 10, 13, 0.72), rgba(8, 10, 13, 0.92)),
    linear-gradient(135deg, #1a2128 0%, #0b0d10 55%, #11161c 100%);
  border-bottom: 1px solid #242c33;
  padding: 24px 24px 88px;
}

.nav {
  max-width: 1120px;
  margin: 0 auto 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #c0c7cd;
  font-size: 0.96rem;
}

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

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-size: 0.78rem;
  color: #c7a66a;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 3.6rem;
  line-height: 1.05;
  max-width: 760px;
}

.hero-copy {
  margin-top: 20px;
  max-width: 700px;
  color: #d1d6db;
  font-size: 1.1rem;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 13px 18px;
  border-radius: 10px;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.button-gold {
  background: #c7a66a;
  color: #111418;
}

.button-outline {
  border: 1px solid #505b65;
  color: #f4f1ea;
  background: transparent;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 76px 24px;
}

.section-alt {
  max-width: none;
  background: #12171d;
  border-top: 1px solid #202830;
  border-bottom: 1px solid #202830;
}

.section-alt .section-header,
.section-alt .two-column,
.section-alt .launch-card {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin: 0 0 26px;
  font-size: 2.1rem;
  line-height: 1.15;
  max-width: 760px;
}

.card {
  background: #151b21;
  border: 1px solid #2a333c;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.topic-card h3 {
  color: #f6e3bf;
}

.launch-card {
  max-width: 1120px;
}

.signup {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.signup input {
  flex: 1 1 280px;
  min-width: 260px;
  padding: 14px 14px;
  border-radius: 10px;
  border: 1px solid #39444f;
  background: #0f1419;
  color: #f4f1ea;
  font-size: 1rem;
}

.signup input::placeholder {
  color: #98a3ad;
}

.signup button {
  padding: 14px 18px;
  border: none;
  border-radius: 10px;
  background: #c7a66a;
  color: #111418;
  font-weight: 700;
  cursor: pointer;
}

.small-note {
  margin-top: 14px;
  color: #9eabb6;
  font-size: 0.92rem;
}

.footer {
  text-align: center;
  padding: 30px 20px 42px;
  color: #93a0ac;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  h1 {
    font-size: 2.7rem;
  }

  .two-column,
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 20px;
    padding-bottom: 72px;
  }

  .nav {
    margin-bottom: 50px;
  }

  h1 {
    font-size: 2.2rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .card {
    padding: 22px;
  }
}