:root {
  --primary: #1e3a8a;
  --accent: #f59e0b;
  --background: #f8fafc;
  --foreground: #0f172a;
  --soft: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-blur: blur(12px);
}

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

body {
  font-family: 'Outfit', sans-serif;
  background: var(--background);
  background-image: url('https://www.transparenttextures.com/patterns/cubes.png');
  background-size: 120px;
  color: var(--foreground);
  line-height: 1.7;
  transition: background 0.4s, color 0.4s;
}

header {
  border-radius: 0 0 24px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  background: white;
  border-bottom: 1px solid #ccc;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

header img {
  height: 52px;
}

nav a {
  margin-left: 20px;
  color: white;
  background: var(--primary);
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.3s ease;
}

nav a:hover {
  background: var(--accent);
  color: #111827;
  transform: scale(1.05);
}

.hero {
  background: linear-gradient(to right, rgba(30, 58, 138, 0.85), rgba(37, 99, 235, 0.85));
  backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  color: white;
  text-align: center;
  padding: 140px 24px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.hero h1 {
  font-size: 52px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 20px;
  max-width: 640px;
  margin: 0 auto 36px;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(to right, #facc15, #f59e0b);
  color: #1f2937;
  font-weight: bold;
  padding: 16px 36px;
  border-radius: 16px;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
  border-radius: 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 48px;
  color: var(--primary);
  font-weight: 700;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px;
}

.feature {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 36px;
  text-align: center;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.feature:hover {
  transform: translateY(-8px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.1);
}

.feature i {
  font-size: 36px;
  margin-bottom: 12px;
  color: var(--accent);
}

.feature h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.feature p {
  font-size: 16px;
  color: #475569;
}

footer {
  background: linear-gradient(to right, #1e293b, #334155);
  color: white;
  text-align: center;
  padding: 70px 24px;
  font-size: 15px;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.1);
}

#countdown {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 16px;
  }

  .cta-button {
    padding: 12px 24px;
  }

  header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  nav a {
    margin: 8px 0;
  }
}