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

:root {
    --primary-dark: #073763;
    --primary-blue: #0a4a7c;
    --accent-blue: #3D85C6;
    --light-blue: #5a9fd4;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-dark: #1e293b;
    --bg-light: #ffffff;
    --bg-gray: #f1f5f9;
    --border-color: #e2e8f0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    padding: 24px 48px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(7, 55, 99, 0.85) 0%, rgba(10, 74, 124, 0.85) 100%),
                url('hero-bg.jpg');
    background-size: cover;
    background-position: center left;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 60px 24px 100px;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-blue);
    color: var(--text-primary);
    padding: 16px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--light-blue);
    transform: translateY(-2px);
}

/* Pain Points Section */
.pain-points {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.pain-points h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 60px;
    letter-spacing: -0.5px;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pain-card {
    padding: 32px;
    border-radius: 12px;
    background-color: var(--bg-gray);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pain-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.pain-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pain-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.pain-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Solution Section */
.solution {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

.solution h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.solution-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 50px;
}

.benefits-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
}

.benefit-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(61, 133, 198, 0.2);
    color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Signup Section */
.signup {
    padding: 100px 0;
    background-color: var(--bg-gray);
}

.signup h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.signup > .container > p {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

#signup-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--bg-light);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(61, 133, 198, 0.1);
}

.form-group input::placeholder {
    color: var(--text-secondary);
}

.submit-button {
    width: 100%;
    padding: 16px 40px;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-button:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 16px;
}

/* Success State */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    padding: 40px 0;
    background-color: var(--primary-dark);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.contact-link {
    color: var(--light-blue);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 900px) {
    .pain-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 20px 24px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .hero-content {
        padding: 40px 24px 80px;
    }

    .pain-points,
    .solution,
    .signup {
        padding: 70px 0;
    }

    .pain-points h2,
    .solution h2,
    .signup h2 {
        font-size: 2rem;
    }

    .benefits-grid {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button,
    .submit-button {
        padding: 14px 32px;
    }

    .pain-card {
        padding: 24px;
    }
}