:root {
    --bg-color: #FDFDFB;
    --text-color: #1A1A1A;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-bg: #FFFFFF;
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.04);
    --border-color: #E5E5E5;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

p.subtitle {
    font-size: 1.25rem;
    color: #4A4A4A;
    margin-bottom: 2rem;
}

.btn-primary {
    background-color: var(--text-color);
    color: #FFFFFF;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #333333;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: 2px solid var(--text-color);
    transition: background-color 0.3s, color 0.3s, transform 0.2s;
    display: inline-block;
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-secondary {
    color: var(--text-color);
    font-weight: 600;
    transition: opacity 0.3s;
}

.btn-secondary:hover {
    opacity: 0.7;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(253, 253, 251, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: #4A4A4A;
    transition: color 0.3s;
}

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

.nav-ctas {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

section {
    padding: 6rem 2rem;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.mockup {
    position: absolute;
    background-color: var(--secondary-bg);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
}

.mockup-1 {
    width: 250px;
    height: 400px;
    top: 50px;
    left: 50px;
    z-index: 2;
}

.mockup-2 {
    width: 300px;
    height: 200px;
    bottom: 50px;
    right: 0;
    z-index: 1;
}

.feature-section {
    background-color: var(--secondary-bg);
    border-radius: 32px;
    padding: 4rem;
    margin: 2rem;
    box-shadow: var(--shadow-soft);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
}

.reverse .feature-content {
    order: 2;
}

.reverse .feature-visual {
    order: 1;
}

.placeholder-visual {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-weight: 500;
}

.ecosystem {
    text-align: center;
    padding: 8rem 2rem;
}

.ecosystem h2 {
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
}

.footer {
    background-color: #111111;
    color: #FFFFFF;
    padding: 4rem 2rem 2rem 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #A0A0A0;
}

.footer-col a {
    display: block;
    color: #D0D0D0;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333333;
    color: #888888;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero-grid, .feature-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .reverse .feature-content {
        order: 1;
    }
    
    .reverse .feature-visual {
        order: 2;
    }
    
    .nav-links {
        display: none;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .mockup-1 {
        width: 180px;
        height: 280px;
        top: 10px;
        left: 20px;
    }
    
    .mockup-2 {
        width: 220px;
        height: 140px;
        bottom: 20px;
        right: 0;
    }
    
    .feature-section {
        padding: 2rem;
        margin: 1rem;
    }
}