:root {
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.5);
    --secondary: #00ff88;
    --bg-dark: #050914;
    --card-bg: rgba(10, 20, 35, 0.6);
    --text-main: #e0f2fe;
    --text-dim: #7dd3fc;
    --font-header: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.bg-mesh {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, #0B132B 0%, #050914 100%);
    z-index: -1;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
    background-image: linear-gradient(to bottom, rgba(5, 9, 20, 0.4), var(--bg-dark)), url('jarvis_hero_bg.png');
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-family: var(--font-header);
    font-size: 5rem;
    letter-spacing: 15px;
    color: var(--primary);
    text-shadow: 0 0 30px var(--primary-glow);
    margin-bottom: 20px;
    animation: fadeIn 1.5s ease-out;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-dim);
    max-width: 800px;
    margin-bottom: 40px;
    letter-spacing: 2px;
    animation: fadeIn 2s ease-out;
}

/* Glassmorphism Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    font-family: var(--font-header);
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--bg-dark);
    background: var(--primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--primary-glow);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 0 40px var(--primary-glow);
}

.btn.outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    margin-left: 20px;
}

/* Features Grid */
.features {
    padding: 100px 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 210, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.feature-card h3 {
    font-family: var(--font-header);
    color: var(--primary);
    margin-bottom: 15px;
}

/* Download Section */
.downloads {
    padding: 100px 10%;
    text-align: center;
}

.downloads h2 {
    font-family: var(--font-header);
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.download-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.dl-card {
    width: 250px;
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dl-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.dl-card h4 {
    font-family: var(--font-header);
    margin-bottom: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; letter-spacing: 5px; }
    .hero p { font-size: 1.1rem; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}