:root {
    --primary-color: #1a1a1a;
    --accent-color: #0066ff;
    --bg-color: #fcfcfc;
    --text-main: #2d2d2d;
    --text-muted: #666666;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

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

header {
    padding: 40px 0;
}

.brand-logo img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    vertical-align: middle;
    border-radius: 50%;
}

.brand-logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    vertical-align: middle;
}

.highlight {
    color: var(--accent-color);
}

.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70vh;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.headline {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.sub-headline {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

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

.version-info {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mockup-placeholder {
    width: 300px;
    height: 600px;
    background-color: #eaeaea;
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* Responsivitas untuk perangkat seluler */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }
    
    .headline {
        font-size: 36px;
    }
    
    .hero-content {
        margin: 0 auto;
    }
}