:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --accent: #60a5fa;
    --accent-hover: #3b82f6;
    --border: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
}

.theme-switcher {
    display: flex;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
}

.theme-btn {
    padding: 8px 12px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.theme-btn.active {
    background-color: var(--accent);
    color: white;
}

.hero {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.availability-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: var(--accent);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.section {
    padding: 4rem 0;
}

.section:nth-child(even) {
    background-color: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.platforms {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.platform {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: transform 0.3s ease;
    min-width: 150px;
}

.platform:hover {
    transform: scale(1.05);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
}

.platform h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background-color: var(--accent);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    width: 100%;
}

.submit-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

footer {
    background-color: var(--bg-secondary);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.1));
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.highlight-box h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .platforms {
        gap: 1rem;
    }
    
    .platform {
        padding: 1rem;
        min-width: 120px;
    }
    
    .contact-form {
        padding: 2rem 1rem;
    }
}