/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0b121a;
    color: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px 80px;
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    margin-bottom: 40px;
}

.logo-image {
    max-width: 800px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.logo h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2d8fe3 0%, #1e6bb8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
}

.subtitle {
    font-size: 1.125rem;
    color: #9ca3af;
    margin-bottom: 48px;
    line-height: 1.8;
}

/* Signup Form */
.signup-box {
    margin-bottom: 24px;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 450px;
    margin: 0 auto 20px;
}

.email-input {
    padding: 16px 20px;
    font-size: 1rem;
    border: 2px solid #1f2937;
    border-radius: 12px;
    background: #111827;
    color: #ffffff;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.email-input:focus {
    outline: none;
    border-color: #2d8fe3;
    background: #1a1f2e;
}

.email-input::placeholder {
    color: #6b7280;
}

.submit-btn {
    padding: 16px 32px;
    font-size: 1.0625rem;
    font-weight: 600;
    background: linear-gradient(135deg, #2d8fe3 0%, #1e6bb8 100%);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 4px 15px rgba(45, 143, 227, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 143, 227, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.promo-badge {
    display: inline-block;
    padding: 12px 24px;
    background: rgba(45, 143, 227, 0.1);
    border: 1px solid rgba(45, 143, 227, 0.3);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #2d8fe3;
}

.success-message {
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 12px;
    margin-top: 20px;
}

.success-message p {
    color: #22c55e;
    font-weight: 600;
}

/* Features Section */
.features {
    padding: 60px 20px 80px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 48px;
    color: #ffffff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: #111827;
    border: 1px solid #1f2937;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #374151;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.feature-card p {
    font-size: 1rem;
    color: #9ca3af;
    line-height: 1.6;
}

/* Why Section */
.why-section {
    padding: 80px 20px;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.why-text {
    font-size: 1.125rem;
    color: #d1d5db;
    margin-bottom: 20px;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 80px 20px 100px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-section h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #ffffff;
}

.promo-text {
    margin-top: 16px;
    font-size: 0.9375rem;
    color: #9ca3af;
}

/* Footer */
.footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid #1f2937;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.social-link {
    color: #9ca3af;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #2d8fe3;
}

.footer-text {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (min-width: 768px) {
    .signup-form {
        flex-direction: row;
    }

    .email-input {
        flex: 1;
    }

    .submit-btn {
        flex-shrink: 0;
    }
}

@media (max-width: 767px) {
    .logo-image {
        max-width: 100%;
    }

    .logo h1 {
        font-size: 2.25rem;
    }

    .tagline {
        font-size: 1.375rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

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

    .social-links {
        flex-direction: column;
        gap: 15px;
    }
}