/* Core Design System & Dynamic Aesthetics */
:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(18, 24, 38, 0.75);
    --bg-card-hover: rgba(26, 34, 53, 0.85);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(99, 102, 241, 0.4);
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);
    
    --accent: #10b981;
    --accent-hover: #059669;
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;

    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
    --glass-backdrop: blur(16px);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: #818cf8;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
}
.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    color: #ffffff;
}
.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
}

/* Modern Hero Banner */
.hero {
    padding: 5rem 0 3rem 0;
    text-align: center;
    position: relative;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(16, 185, 129, 0.15));
    border: 1px solid var(--border-accent);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #a5b4fc;
    margin-bottom: 1.8rem;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}
.hero-title {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #ffffff 30%, #cbd5e1 70%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 820px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

/* Hero Stats Bar */
.hero-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto 4rem auto;
}
.hero-stat-card {
    background: rgba(18, 24, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    backdrop-filter: var(--glass-backdrop);
    transition: all 0.3s ease;
}
.hero-stat-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
}
.hero-stat-val {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffffff;
}
.hero-stat-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Tool Section Placement below Hero */
.tool-section-wrapper {
    margin-top: 1rem;
    margin-bottom: 5rem;
}
.tool-section-header {
    text-align: center;
    margin-bottom: 2rem;
}
.tool-section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
}
.tool-section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Glass Cards Grid */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    transition: all 0.3s ease;
}
.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.card-icon {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 1rem;
}
.card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
}
.card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Section Titles */
.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* Footer */
.site-footer {
    margin-top: auto;
    background: rgba(11, 15, 25, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 1.2rem;
}
.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 0.6rem;
}
.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: #ffffff;
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav { display: none; }
}