:root {
    /* Color Palette - Premium Dark Theme */
    --bg-main: #0B0F19;
    --bg-secondary: #111827;
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --primary: #3B82F6;
    --primary-hover: #2563EB;
    --primary-glow: rgba(59, 130, 246, 0.4);
    
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    /* Layout */
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

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

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

.section {
    padding: 6rem 0;
}

.section-darker {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    font-family: var(--font-main);
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 0 25px var(--primary-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background-color: var(--glass-bg);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1.5rem 0;
}

.navbar.scrolled {
    background-color: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 12rem 0 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #9CA3AF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.stat-item i {
    width: 18px;
    height: 18px;
    color: var(--success);
}

/* Glass Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
}

.card-icon.danger { color: var(--danger); background: rgba(239, 68, 68, 0.1); }
.card-icon.warning { color: var(--warning); background: rgba(245, 158, 11, 0.1); }
.card-icon.success { color: var(--success); background: rgba(16, 185, 129, 0.1); }

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

.glass-card p {
    color: var(--text-secondary);
}

/* Steps */
.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.step {
    flex: 1;
    text-align: center;
}

.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 15px var(--primary-glow);
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step.divider {
    flex: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--glass-border), transparent);
    margin-top: 24px;
}

/* CTA Section */
.cta-section {
    position: relative;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.cta-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 4rem 2rem;
}

.cta-box h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.audit-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.input-group {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    width: 20px;
    height: 20px;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-size: 1rem;
    font-family: var(--font-main);
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.form-hint {
    margin-top: 1rem;
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
}

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

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

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

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .steps-container {
        flex-direction: column;
        align-items: center;
    }
    .step.divider { display: none; }
    .step { max-width: 400px; margin-bottom: 2rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        padding: 2rem;
        flex-direction: column;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    .audit-form { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}