@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #0066FF;
    --primary-hover: #0052CC;
    --secondary-color: #FFD700;
    --text-main: #1A1A1A;
    --text-muted: #666666;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --border-color: #E2E8F0;
    --container-width: 1200px;
    --transition-fast: 0.2s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

header, nav, main, section, footer, div, h1, h2, h3, h4, p, a, button, img, ul, li, span {
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

img {
    max-width: 100%;
    display: block;
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--text-main);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
}

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

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    overflow: hidden;
}

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

.hero-content h1 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 24px;
    font-weight: 700;
}

.hero-content p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-slow);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #eef2ff;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary-color);
    font-size: 24px;
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    display: block;
}

.footer-desc {
    color: #94a3b8;
    line-height: 1.8;
}

.footer-links h4 {
    margin-bottom: 25px;
    font-size: 18px;
}

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

.footer-links ul li a {
    color: #94a3b8;
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 40px;
    text-align: center;
    color: #64748b;
    font-size: 14px;
}

.disclosure {
    margin-top: 20px;
    font-style: italic;
    opacity: 0.8;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 30px;
    height: 3px;
    background: var(--text-main);
    border-radius: 3px;
    transition: var(--transition-fast);
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        padding: 40px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid var(--border-color);
        gap: 20px;
    }

    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }

    .section-padding {
        padding: 60px 0;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .btn {
        width: 100%;
        padding: 14px 20px;
    }
}