:root {
    --bg-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --gradient-start: #3b82f6;
    --gradient-end: #8b5cf6;
    --btn-gradient-start: #4338ca;
    --btn-gradient-end: #8b5cf6;
    --btn-shadow: rgba(99, 102, 241, 0.4);
    --mockup-bg: #ffffff;
    --mockup-card: #f1f5f9;
    --mockup-card-hover: #e2e8f0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.container {
    display: flex;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 40px;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

/* Left Content Section */
.content-section {
    flex: 1;
    max-width: 550px;
    animation: slideUp 0.8s ease-out forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.8rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.download-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end));
    color: white;
    text-decoration: none;
    padding: 16px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 10px 25px -5px var(--btn-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.5);
}

.download-icon {
    width: 20px;
    height: 20px;
}

.version-info {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.features-list {
    display: flex;
    gap: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-green { background-color: #10b981; }
.dot-blue { background-color: #3b82f6; }
.dot-purple { background-color: #8b5cf6; }


/* Right Graphic Section */
.graphic-section {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.browser-mockup-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(0.5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(40px);
}

.browser-mockup {
    background-color: var(--mockup-bg);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.mockup-header {
    background-color: #fcfcfc;
    border-bottom: 1px solid #f1f5f9;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background-color: #ef4444; }
.control.yellow { background-color: #f59e0b; }
.control.green { background-color: #10b981; }

.url-bar {
    background-color: #f1f5f9;
    border-radius: 8px;
    flex: 1;
    padding: 8px 16px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.url-icon {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
}

.mockup-content {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
    background-color: #fcfcfc;
}

.content-header-lines {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.line {
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
}

.line-long { width: 100%; }
.line-medium { width: 60%; }
.line-short { width: 85%; }

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.grid-card {
    height: 120px;
    background-color: var(--mockup-card);
    border-radius: 12px;
    transition: background-color 0.3s;
}

.grid-card:hover {
    background-color: var(--mockup-card-hover);
}

/* Make grid card 1 slightly purple tint, card 2 blue tint, card 3 gray tint based on screenshot */
.grid-card:nth-child(1) { background-color: rgba(139, 92, 246, 0.08); border: 1px solid rgba(139, 92, 246, 0.1); }
.grid-card:nth-child(2) { background-color: rgba(59, 130, 246, 0.08); border: 1px solid rgba(59, 130, 246, 0.1); }
.grid-card:nth-child(3) { background-color: rgba(100, 116, 139, 0.08); border: 1px solid rgba(100, 116, 139, 0.1); }

.content-banner {
    height: 90px;
    background-color: var(--mockup-card);
    border-radius: 12px;
    background-color: rgba(241, 245, 249, 0.8);
}

/* Responsive Design */
@media (max-width: 992px) {
    .container {
        flex-direction: column;
        text-align: center;
        padding: 40px 20px;
    }

    .content-section {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .download-section {
        flex-direction: column;
        gap: 12px;
    }
    
    .features-list {
        justify-content: center;
    }

    .graphic-section {
        width: 100%;
        margin-top: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .content-grid {
        gap: 8px;
    }
    
    .mockup-content {
        padding: 20px;
    }
    
    .grid-card {
        height: 80px;
    }
}
