* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --secondary-color: #00C853;
    --accent-color: #FF6B35;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.nav-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

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

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #F8F9FA 0%, #E8F4FF 100%);
}

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

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.5;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    padding: 6px 0;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.stat-item {
    flex: 1;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
        justify-content: center;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn.large {
    padding: 20px 48px;
    font-size: 18px;
}

.hero-image {
    animation: fadeInRight 0.8s ease-out;
}

.image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: white;
    font-weight: 600;
    font-size: 18px;
    box-shadow: var(--shadow-lg);
}

.image-placeholder.large {
    min-height: 500px;
}

.trust-bar {
    background: var(--bg-white);
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-items {
    display: flex;
    justify-content: space-around;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    font-size: 32px;
}

.trust-text {
    font-weight: 600;
    color: var(--text-dark);
}

.features {
    padding: 100px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 18px;
    color: var(--text-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-image-placeholder {
    background: linear-gradient(135deg, #E8F4FF 0%, #D1E9FF 100%);
    border-radius: 12px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 14px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.5;
}

.benefits {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.benefits-text h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition);
}

.benefit-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.check-icon {
    width: 32px;
    height: 32px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.benefit-text p {
    color: var(--text-gray);
    font-size: 15px;
}

.security {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.security-content {
    max-width: 900px;
    margin: 0 auto;
}

.security-icon-large {
    font-size: 80px;
    margin-bottom: 24px;
}

.security-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.security-subtitle {
    font-size: 18px;
    margin-bottom: 48px;
    opacity: 0.9;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.security-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.security-icon-small {
    font-size: 40px;
    margin-bottom: 16px;
}

.security-item h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.security-item p {
    opacity: 0.9;
    font-size: 15px;
}

.stats-section {
    padding: 100px 0;
    background: var(--bg-white);
    text-align: center;
}

.stats-section h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.stats-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.stat-card {
    background: var(--bg-light);
    padding: 40px 32px;
    border-radius: 16px;
    transition: var(--transition);
    opacity: 0;
    transform: scale(0.9);
}

.stat-card.visible {
    opacity: 1;
    transform: scale(1);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px) scale(1.02);
}

.stat-card-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-card-label {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.stat-card p {
    color: var(--text-gray);
    font-size: 15px;
}

.how-it-works {
    padding: 100px 0;
    background: var(--bg-light);
}

.how-it-works h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.5;
}

.cta-section {
    padding: 52px 0;
    background: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.cta-content p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.app-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.badge-placeholder {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 32px;
    font-weight: 600;
    color: var(--text-gray);
}

.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 32px;
}

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

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 968px) {
    .hero-content,
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

    .section-header h2,
    .benefits-text h2,
    .stats-section h2,
    .how-it-works h2,
    .cta-content h2,
    .security-content h2 {
        font-size: 32px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 24px;
    }

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

    .nav-links {
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .features,
    .benefits,
    .stats-section,
    .how-it-works,
    .cta-section,
    .security {
        padding: 60px 0;
    }

    .nav-links {
        display: none;
    }
}