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

:root {
    --primary-color: #4A90E2;
    --secondary-color: #50C878;
    --dark-color: #2C3E50;
    --light-color: #F8F9FA;
    --text-color: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-menu li a.btn {
    padding: 10px 24px;
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #5772ee 0%, #3421dd 100%);
    color: var(--white);
    padding: 80px 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.hero-image img {
    width: 70%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--light-color);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--dark-color);
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    font-weight: 600;
}

.feature-description {
    color: var(--text-light);
    line-height: 1.8;
}

.features-images {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.feature-image-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.feature-image-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-image-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.feature-image-item:hover img {
    transform: scale(1.05);
}

/* Privacy Section */
.privacy {
    padding: 100px 0;
    background: var(--white);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    align-items: flex-start;
    padding: 30px;
    background: var(--light-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.privacy-item:hover {
    box-shadow: var(--shadow);
    transform: translateX(10px);
}

.privacy-number {
    background: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.privacy-item p {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.8;
    padding-top: 10px;
}

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

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

/* Animations */
@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);
    }
}

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

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

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

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 15px;
        margin-bottom: 30px;
    }

    .features-images {
        grid-template-columns: repeat(5, 1fr);
        gap: 15px;
    }

    .feature-card {
        padding: 20px 15px;
    }

    .feature-title {
        font-size: 1.2rem;
    }

    .feature-description {
        font-size: 0.9rem;
    }

    .nav-menu {
        gap: 15px;
    }

    .nav-menu li a.btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

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

    .privacy-item:hover {
        transform: translateY(-5px);
    }

    .cta-title {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .features {
        padding: 60px 0;
    }

    .privacy {
        padding: 60px 0;
    }

    .cta {
        padding: 60px 0;
    }

    .nav-content {
        flex-direction: column;
        gap: 15px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        margin-bottom: 30px;
    }

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