/* Modern Professional Design - Government/Corporate Style */

:root {
    /* Professional Color Palette */
    --primary-color: #1E3A8A;
    --primary-dark: #1E40AF;
    --primary-light: #3B82F6;
    --accent-color: #059669;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --background: #FFFFFF;
    --background-light: #F8FAFC;
    --background-dark: #0F172A;
    --border-color: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Typography Improvements */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Professional Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-content {
    padding: 1.25rem 0;
}

.logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(15%) sepia(95%) saturate(2000%) hue-rotate(210deg) brightness(0.9) contrast(1.1);
}

.nav-menu a {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    transition: all 0.2s ease;
}

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

.nav-menu a::after {
    height: 2px;
    background: var(--primary-color);
}

/* Hero Section - Professional */
.hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #3B82F6 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.7;
    opacity: 0.95;
    font-weight: 400;
    max-width: 600px;
}

.gradient-text {
    background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-buttons {
    margin-top: 2.5rem;
    gap: 1rem;
}

.btn {
    font-weight: 600;
    font-size: 15px;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    letter-spacing: 0.01em;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero-stats {
    margin-top: 4rem;
    gap: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Preview - Professional */
.features-preview {
    padding: 8rem 0;
    background: var(--background);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

.features-list-modern {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item-modern {
    grid-template-columns: 100px 1fr;
    gap: 4rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
    align-items: start;
}

.feature-item-modern:last-child {
    border-bottom: none;
}

.feature-item-modern:hover {
    padding-left: 1.5rem;
}

.feature-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    opacity: 0.15;
    line-height: 1;
    letter-spacing: -0.05em;
}

.feature-title-modern {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.feature-description-modern {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.feature-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.feature-link:hover {
    gap: 0.75rem;
}

.feature-link::after {
    content: '→';
    transition: transform 0.2s ease;
}

.feature-link:hover::after {
    transform: translateX(3px);
}

.features-cta {
    margin-top: 5rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 16px;
}

/* About Preview - Professional */
.about-preview {
    padding: 8rem 0;
    background: var(--background-light);
}

.about-preview-content {
    gap: 6rem;
    align-items: start;
}

.about-preview-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.about-preview-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
}

.about-preview-description strong {
    color: var(--text-primary);
    font-weight: 700;
}

.about-preview-features {
    gap: 1.25rem;
    margin: 2.5rem 0;
}

.about-preview-feature {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.about-preview-feature .check-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    font-size: 14px;
    flex-shrink: 0;
}

.about-preview-stats {
    gap: 2rem;
}

.stat-item-large {
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.stat-item-large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.stat-number-large {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label-large {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}

/* Download Section - Professional */
.download {
    background: linear-gradient(135deg, #1E3A8A 0%, #1E40AF 50%, #3B82F6 100%);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.download .section-title {
    color: white;
    font-size: clamp(2rem, 4vw, 3rem);
}

.download .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
}

.download-btn {
    background: white;
    padding: 1.25rem 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    transition: all 0.2s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.download-icon {
    font-size: 2rem;
}

.download-label {
    font-size: 0.85rem;
    opacity: 0.7;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.download-platform {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Footer - Professional */
.footer {
    background: var(--background-dark);
    color: white;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo-image {
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-description {
    opacity: 0.7;
    line-height: 1.8;
    font-size: 15px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.6;
    font-size: 14px;
}

.social-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: white;
}

/* Phone Mockup - Professional */
.phone-mockup {
    border-radius: 35px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-screen {
    border-radius: 25px;
}

.app-preview {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
}

.app-header {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.app-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
        flex-direction: column;
    }
    
    .feature-item-modern {
        grid-template-columns: 60px 1fr;
        gap: 2rem;
        padding: 2rem 0;
    }
    
    .feature-number {
        font-size: 3rem;
    }
    
    .about-preview-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-preview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Remove emoji icons from professional design */
.feature-icon,
.value-icon,
.card-icon,
.method-icon,
.feature-icon-large {
    display: none;
}

/* Professional spacing */
.container {
    max-width: 1280px;
}

section {
    padding-left: 20px;
    padding-right: 20px;
}