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

:root {
  --bg: #0b1120;
  --bg-card: #141c2f;
  --surface: #1a2540;
  --accent: #f5a623;
  --accent-hover: #e6951a;
  --text: #e8ecf1;
  --text-muted: #8a94a8;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.nav-cta {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--accent);
  padding: 0.4rem 1.1rem;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg);
}

.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(170deg, #0b1120 40%, #162044 100%);
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent), #ffd580);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.slogan {
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.features {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--accent);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.cta-section {
  text-align: center;
  padding: 5rem 2rem;
  background: var(--surface);
}

.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-section > p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.cta-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-form input {
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  width: 280px;
  outline: none;
}

.cta-form input:focus {
  border-color: var(--accent);
}

.cta-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--accent);
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}