:root {
    /* Base Color Tokens - Overridden by site config */
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #a855f7;
    --bg-dark-900: #020617;
    --bg-dark-800: #0f172a;
    --bg-dark-700: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;

    /* Layout Tokens */
    --container-width: 1280px;
    --radius-premium: 24px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark-900);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Premium Background Effects --- */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 50% 0%, var(--bg-dark-800), var(--bg-dark-900));
}

.bg-mesh::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3C%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* --- Layout Components --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    height: 100px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    font-weight: 800;
    text-decoration: none;
    color: white;
    letter-spacing: -1px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    gap: 3rem;
    list-style: none;
}

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

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

/* --- Hero Section --- */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
}

/* --- Glass Cards --- */
.glass-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-premium);
    padding: 3rem;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
    background: rgba(30, 41, 59, 0.5);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
}

/* --- Interactive Elements --- */
.btn-premium {
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 30px -10px var(--primary-glow);
}

.btn-premium:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 40px -10px var(--primary-glow);
}

/* --- AdSense Compliant Content Styles --- */
.article-section {
    padding: 6rem 0;
}

article {
    max-width: 900px;
    margin: 0 auto;
}

article h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(to right, white, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

article p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* --- Tool Layout --- */
.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 4rem;
}

.input-area textarea {
    width: 100%;
    height: 300px;
    background: #020617;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    color: white;
    font-size: 1.1rem;
    resize: none;
}

/* --- Footer --- */
footer {
    background: #020617;
    padding: 8rem 0 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: block;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 8px;
}

@media (max-width: 1024px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    header {
        height: 80px;
    }

    nav {
        display: none;
    }

    .hero {
        padding: 6rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}