:root {
    --primary: #a156fc;
    --primary-glow: rgba(161, 86, 252, 0.4);
    --secondary: #00d2ff;
    --accent: #a156fc;
    --dark: #fbfcfe;
    --darker: #ffffff;
    --light: #0f172a;
    --gray: #475569;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(161, 86, 252, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Typography */
h1,
h2,
h3 {
    line-height: 1.1;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.section {
    padding: 8rem 0;
}

/* Components */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px rgba(161, 86, 252, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(161, 86, 252, 0.3);
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.glass-card:hover {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Navbar */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo-text {
    font-family: 'Orbitron', sans-serif;
    display: flex;
    align-items: baseline;
    font-weight: 500;
}

.logo-k {
    color: var(--accent);
    font-size: 2.5rem;
    line-height: 1;
}

.logo-ate {
    color: #000;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    padding: 0.3rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 50px;
    color: var(--gray);
    transition: var(--transition);
}

.lang-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.lang-btn:hover:not(.active) {
    color: var(--light);
}

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

.crypto-address {
    background: #f1f5f9;
    padding: 1rem;
    padding-right: 6rem;
    border-radius: 12px;
    font-family: monospace;
    font-size: 0.875rem;
    word-break: break-all;
    border: 1px solid var(--glass-border);
    text-align: left;
}

.copy-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid var(--glass-border);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    min-width: 80px;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.copy-btn.copied {
    background: #22c55e !important;
    color: white !important;
    border-color: #16a34a !important;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 15rem 0 10rem;
    background: radial-gradient(circle at top right, rgba(161, 86, 252, 0.05), transparent),
        radial-gradient(circle at bottom left, rgba(0, 210, 255, 0.05), transparent);
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: white;
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #0f172a, #475569);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero-btns {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.hero-visual {
    margin-top: 5rem;
    display: flex;
    justify-content: center;
}

.ui-screenshot {
    width: 100%;
    max-width: 900px;
    border-radius: 20px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.ui-screenshot:hover {
    transform: scale(1.02);
    box-shadow: 0 50px 120px rgba(0, 0, 0, 0.15);
}


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

.feature-card {
    text-align: left;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #0f172a;
}

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

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    background: #f8fafc;
}

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

.copyright {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-btns {
        flex-direction: column;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}