:root {
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --bg-dark: #0f172a;
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    color: white !important;
}

.btn-primary-large {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1rem 2rem;
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.btn-secondary-large {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-left: 1rem;
    transition: var(--transition);
}

.btn-primary-large:hover, .btn-secondary-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    min-height: 100vh;
    background: radial-gradient(circle at top right, rgba(58, 123, 213, 0.15), transparent),
                radial-gradient(circle at bottom left, rgba(0, 210, 255, 0.1), transparent);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 2rem;
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 600px;
}

/* Visual Card */
.visual-card {
    padding: 2rem;
    max-width: 400px;
    margin-left: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
}

.skeleton {
    background: var(--glass-border);
    height: 8px;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.line-long { width: 90%; }
.line-medium { width: 70%; }
.line-short { width: 40%; }

/* Features Section */
.features {
    padding: 8rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.section-title span {
    color: var(--primary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-gray);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    animation: fadeIn 1.5s ease-out forwards;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsiveness */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero h1 { font-size: 3rem; }
    .hero p { margin: 0 auto 3rem; }
    .visual-card { margin: 4rem auto 0; }
    .btn-secondary-large { margin-left: 0; margin-top: 1rem; width: 100%; max-width: 300px; }
    .btn-primary-large { width: 100%; max-width: 300px; }
}