/* Landing Page Styles - Professional Corporate Design */

* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Header */
.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 18px 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1a202c;
    letter-spacing: -0.5px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover {
    color: #2d3748;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4299e1;
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.btn-login-header {
    padding: 10px 24px;
    background: #4299e1;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    border: none;
}

.btn-login-header:hover {
    background: #3182ce;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 140px 20px 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(66, 153, 225, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(102, 126, 234, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(66, 153, 225, 0.1);
    color: #2c5282;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.3px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    color: #1a202c;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, #4299e1 0%, #667eea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    color: #4a5568;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-primary {
    background: #4299e1;
    color: white;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    background: #3182ce;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(66, 153, 225, 0.3);
}

.btn-secondary {
    background: white;
    color: #4a5568;
    text-decoration: none;
    border: 1.5px solid #e2e8f0;
    transition: all 0.2s;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: #cbd5e0;
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    padding-top: 60px;
    border-top: 1px solid #e2e8f0;
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2d3748;
    letter-spacing: -0.5px;
}

.hero-stats .stat-label {
    font-size: 14px;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Sections */
section {
    padding: 100px 20px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #1a202c;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 18px;
    color: #718096;
    line-height: 1.6;
    font-weight: 400;
}

/* Features */
.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #f7fafc;
    padding: 40px 32px;
    border-radius: 12px;
    text-align: left;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e0;
    background: white;
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4299e1 0%, #667eea 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon {
    width: 28px;
    height: 28px;
    stroke: white;
    stroke-width: 2.5;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a202c;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 15px;
    font-weight: 400;
}

/* Areas */
.areas {
    background: #f7fafc;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.area-card {
    background: white;
    padding: 40px 32px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.area-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e0;
}

.area-icon-wrapper {
    width: 56px;
    height: 56px;
    background: #edf2f7;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.area-icon {
    width: 28px;
    height: 28px;
    stroke: #4299e1;
    stroke-width: 2.5;
}

.area-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a202c;
}

.area-card > p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 15px;
}

.area-topics {
    list-style: none;
    padding: 0;
    margin: 0;
}

.area-topics li {
    padding: 10px 0;
    color: #4a5568;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    padding-left: 24px;
    font-size: 14px;
}

.area-topics li:last-child {
    border-bottom: none;
}

.area-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: 600;
    font-size: 16px;
}

/* How It Works */
.how-it-works {
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    text-align: left;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4299e1 0%, #667eea 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    transition: all 0.3s;
}

.step:hover .step-number {
    transform: scale(1.05);
}

.step-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a202c;
}

.step-content p {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
    font-weight: 400;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.btn-cta {
    box-shadow: 0 8px 24px rgba(66, 153, 225, 0.4);
}

/* Footer */
.landing-footer {
    background: #1a202c;
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.7;
    font-size: 14px;
}

.footer-section .logo-text {
    color: white;
    font-size: 20px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section ul li:not(:has(a)) {
    color: #a0aec0;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2d3748;
    color: #718096;
    font-size: 14px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
    .header-nav {
        gap: 20px;
    }
    
    .nav-link {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .hero-stats .stat-number {
        font-size: 28px;
    }
    
    .features-grid,
    .areas-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 15px 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
    
    section {
        padding: 60px 15px;
    }
}