:root {
    /* Color Palette */
    --primary-bg: #0D1117;
    --secondary-bg: #161B22;
    --accent-purple: #7C3AED;
    --accent-cyan: #22D3EE;
    --text-white: #F0F6FC;
    --text-muted: #8B949E;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacer: 1.5rem;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), #5B21B6);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
    transform: scale(1.05);
}

.btn-outline {
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-outline:hover {
    background: rgba(34, 211, 238, 0.1);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Marquee Animation */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 0.5rem 0;
    display: flex;
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-content {
    display: flex;
    gap: 4rem;
    animation: marquee 35s linear infinite;
    min-width: 100%;
}

.marquee-item {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.6;
    flex-shrink: 0;
}

/* Logo Premium Treatment */
.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.logo img {
    filter: brightness(0) invert(1);
    transition: opacity 0.3s ease-out;
}

.logo:hover img {
    opacity: 0.8;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background 0.3s ease;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links li {
    list-style: none;
}

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

/* Sections */
section {
    padding: 100px 2rem;
}

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

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Feature Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}