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

:root {
    --gradient-start: #00C7BE;
    --gradient-mid: #30D158;
    --gradient-end: #FFB74D;
    --text-dark: #1d1d1f;
    --text-light: #6e6e73;
    --bg-light: #fbfbfd;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
}

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

/* Navigation */
nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 20px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 15px;
    transition: color 0.2s;
}

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
    color: white;
    padding: 10px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 199, 190, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    padding: 10px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    border: 2px solid rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, border-color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--gradient-start);
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 64px;
    margin: 0 auto 32px;
    box-shadow: 0 20px 60px rgba(0, 199, 190, 0.3);
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.1;
}

.hero p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

/* Features Section */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
}

.cta-content {
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-buttons .btn-primary {
    background: white;
    color: var(--gradient-start);
}

.cta-buttons .btn-primary:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
    padding: 48px 0;
    background: var(--bg-light);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-copyright {
    color: var(--text-light);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .features h2,
    .cta h2 {
        font-size: 32px;
    }
    
    .nav-links {
        gap: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}