@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --primary-dark: #0A1929;
  --primary-blue: #1E4D7B;
  --accent-teal: #14B8A6;
  --accent-amber: #F59E0B;
  --gray-800: #1E293B;
  --gray-700: #334155;
  --gray-500: #64748B;
  --gray-100: #F1F5F9;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--primary-dark);
  color: var(--gray-100);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

/* Header */
header {
  background: rgba(10, 25, 41, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(20, 184, 166, 0.1);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-teal);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--gray-100);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--accent-teal);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-teal), var(--primary-blue));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--accent-teal);
  color: var(--accent-teal);
}

.btn-secondary:hover {
  background: var(--accent-teal);
  color: white;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--gray-100), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-500);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Email Capture Form */
.email-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto 3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.email-form input[type="email"] {
  flex: 1;
  min-width: 250px;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  border: 2px solid var(--gray-700);
  background: rgba(30, 41, 59, 0.5);
  color: var(--gray-100);
  font-size: 1rem;
  transition: all 0.3s;
}

.email-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 20px rgba(20, 184, 166, 0.2);
}

/* Benefits Section */
.benefits {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.benefit-card {
  background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(20, 184, 166, 0.1);
  transition: all 0.3s;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-teal);
  box-shadow: 0 10px 40px rgba(20, 184, 166, 0.2);
}

.benefit-card .icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--accent-teal);
}

.benefit-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--gray-100);
}

.benefit-card p {
  color: var(--gray-500);
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
  padding: 2rem;
}

.auth-card {
  background: var(--gray-800);
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid rgba(20, 184, 166, 0.1);
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-card h1 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--gray-100);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--gray-100);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  border: 2px solid var(--gray-700);
  background: rgba(30, 41, 59, 0.5);
  color: var(--gray-100);
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  transition: all 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-teal);
  box-shadow: 0 0 20px rgba(20, 184, 166, 0.2);
}

.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #FCA5A5;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  text-align: center;
}

.success {
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  color: var(--accent-teal);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-card .btn {
  width: 100%;
  margin-top: 1rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--gray-500);
}

.auth-footer a {
  color: var(--accent-teal);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

.dashboard-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.dashboard-header {
  text-align: center;
  margin-bottom: 3rem;
}

.dashboard-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--gray-100), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dashboard-header p {
  color: var(--gray-500);
  font-size: 1.1rem;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-700) 100%);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid rgba(20, 184, 166, 0.1);
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-teal);
  box-shadow: 0 15px 50px rgba(20, 184, 166, 0.25);
}

.feature-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: var(--accent-teal);
}

.feature-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--gray-100);
}

.feature-card p {
  color: var(--gray-500);
  font-size: 1rem;
  line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .benefits {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 1rem;
  }

  .auth-card {
    padding: 2rem;
  }

  .dashboard-content {
    padding: 2rem 1rem;
  }

  .feature-cards {
    grid-template-columns: 1fr;
  }
}