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

:root {
    --primary-color: #4A90D9;
    --primary-dark: #3A7BC8;
    --secondary-color: #F5A623;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 8px;
}

.tagline {
    font-size: 1.5rem;
    opacity: 0.95;
    margin-bottom: 16px;
}

.description {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 400px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    background: #F0F0F0;
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.phone-screen {
    background: var(--white);
    border-radius: 32px;
    height: 100%;
    overflow: hidden;
}

.mock-content {
    padding: 20px;
}

.mock-header {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.mock-progress {
    height: 8px;
    background: #E0E0E0;
    border-radius: 4px;
    margin-bottom: 20px;
}

.mock-progress-bar {
    height: 100%;
    background: var(--secondary-color);
    border-radius: 4px;
}

.mock-question {
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 16px;
    line-height: 1.5;
}

.mock-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mock-option {
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Section Styles */
.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
}

/* Modules Section */
.modules {
    padding: 80px 0;
    background: var(--bg-light);
}

.modules-list {
    max-width: 700px;
    margin: 0 auto;
}

.module-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.module-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.module-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.module-content p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-copyright {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* Legal Pages */
.legal-page {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

.legal-page h1 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-color);
}

.legal-page h2 {
    font-size: 1.3rem;
    margin: 32px 0 16px;
    color: var(--text-color);
}

.legal-page p {
    margin-bottom: 16px;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-page ul {
    margin: 16px 0 16px 24px;
    color: var(--text-light);
}

.legal-page li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.last-updated {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #E0E0E0;
}

/* Contact Page */
.contact-info {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius);
    margin-top: 20px;
}

.contact-info p {
    margin-bottom: 12px;
}

.contact-info strong {
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .description {
        margin: 0 auto 32px;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .module-item {
        flex-direction: column;
        text-align: center;
    }
}