:root {
    /* Brand Colors */
    --color-primary-blue: #0088ff;
    --color-primary-green: #2c9e1c;
    --color-primary-teal: #1c9e75;
    --color-primary-black: #000000;
    --color-primary-light-green: #5fb839;

    --color-comp-orange: #ff9500;
    --color-comp-red: #9e1c27;
    --color-comp-rust: #9e471c;
    --color-comp-rose: #b83952;

    /* UI Colors */
    --bg-body: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #0a0a0a;
    --text-main: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --border-color: #e5e5e5;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

.highlight {
    color: var(--color-primary-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary-blue);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: #0066cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 136, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-white);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Floating CTA - Hidden by default */
.mobile-floating-cta {
    display: none;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 24px;
    width: auto;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary-black);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    background-color: var(--bg-dark);
    color: var(--text-white);
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(0, 136, 255, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 30% 70%, rgba(28, 158, 117, 0.1) 0%, transparent 60%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    pointer-events: none;
}

/* Video Section */
.video-section {
    background-color: var(--bg-dark);
    padding: var(--spacing-lg) 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Products Section */
.products-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
    background-image: radial-gradient(#e5e5e5 1px, transparent 1px);
    background-size: 20px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.product-card {
    background: var(--bg-body);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

/* Card Color Accents */
.card-uauth { border-top: 4px solid var(--color-primary-blue); }
.card-trustlink { border-top: 4px solid var(--color-primary-green); }
.card-airlink { border-top: 4px solid var(--color-primary-teal); }
.card-edge { border-top: 4px solid var(--color-comp-orange); }

.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
}

.product-card:hover .icon-box {
    transform: scale(1.1);
}

/* Icon Specifics */
.uauth-icon { background-color: rgba(0, 136, 255, 0.1); color: var(--color-primary-blue); }
.trustlink-icon { background-color: rgba(44, 158, 28, 0.1); color: var(--color-primary-green); }
.airlink-icon { background-color: rgba(28, 158, 117, 0.1); color: var(--color-primary-teal); }
.edge-icon { background-color: rgba(255, 149, 0, 0.1); color: var(--color-comp-orange); }

/* Simple CSS Icons - Enhanced */
.uauth-icon::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 2.5px solid currentColor;
    border-radius: 50%;
}

.trustlink-icon::after {
    content: '';
    width: 24px;
    height: 18px;
    border: 2.5px solid currentColor;
    border-radius: 4px;
}

.airlink-icon::after {
    content: '✈';
    font-size: 1.5rem;
    color: currentColor;
}

.edge-icon::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2.5px solid currentColor;
    transform: rotate(45deg);
}

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

.product-desc {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.feature-list {
    margin-bottom: 2rem;
    border-top: 1px solid var(--bg-light);
    padding-top: 1.5rem;
}

.feature-list:last-child {
    margin-bottom: 0;
}

.feature-list li {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-weight: 500;
}

.feature-list li::before {
    content: '✓';
    color: var(--color-primary-light-green);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.learn-more {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-primary-blue);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.learn-more .arrow {
    transition: transform var(--transition-fast);
}

.learn-more:hover .arrow {
    transform: translateX(5px);
}

/* Specific Link Colors */
.card-uauth .learn-more { color: var(--color-primary-blue); }
.card-trustlink .learn-more { color: var(--color-primary-green); }
.card-airlink .learn-more { color: var(--color-primary-teal); }
.card-edge .learn-more { color: var(--color-comp-orange); }

/* Solutions Section */
.solutions-section {
    padding: var(--spacing-xl) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.solution-item {
    padding: 2rem;
    background: linear-gradient(to right, #f8f9fa, #ffffff);
    border-left: 4px solid var(--color-primary-blue);
}

.solution-item h4 {
    color: var(--color-primary-blue);
    margin-bottom: 0.5rem;
}

/* Platform Section */
.platform-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
    color: var(--text-white);
}

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

.lead {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-primary-teal);
}

.benefit {
    margin-bottom: 2rem;
}

.benefit h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.benefit p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* NIST Compliance Container */
.nist-compliance-container {
    margin-top: 5rem;
    padding: 3rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.nist-compliance-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 136, 255, 0.5), transparent);
}

.nist-header-block {
    text-align: center;
    margin-bottom: 3rem;
}

.nist-header-block h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.nist-header-block p {
    color: var(--color-primary-blue);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.nist-levels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.nist-level-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-medium);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nist-level-card:hover {
    border-color: var(--color-primary-blue);
    transform: translateY(-5px);
    background: rgba(0, 136, 255, 0.05);
    box-shadow: 0 10px 30px -10px rgba(0, 136, 255, 0.15);
}

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

.level-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.level-code {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-primary-blue);
}

.level-meter-container {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.level-meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-blue), var(--color-primary-teal));
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(0, 136, 255, 0.5);
}

.level-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 900px) {
    .nist-levels-grid {
        grid-template-columns: 1fr;
    }
}

.nist-highlights {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.check-icon {
    color: var(--color-primary-green);
    font-weight: 800;
}

.tech-stack-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    height: 400px;
}

.layer {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    text-align: center;
    border-radius: 4px;
    transition: var(--transition-medium);
    cursor: default;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    color: var(--text-white);
}

.layer:hover {
    background: rgba(0, 136, 255, 0.2);
    border-color: var(--color-primary-blue);
    transform: scale(1.02);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-teal));
    color: var(--text-white);
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 0.5rem;
}

.form-group input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 4px;
    font-family: var(--font-main);
}

.form-group button {
    background-color: var(--color-primary-black);
    border: none;
    color: white;
}

.form-group button:hover {
    background-color: #333;
}

/* Footer */
.site-footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    display: block;
    margin-bottom: 1rem;
}

.footer-brand .logo img {
    height: 24px;
    filter: brightness(0) invert(1);
}

.footer-links h4 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .form-group {
        flex-direction: column;
    }
    
    .form-group button {
        width: 100%;
    }

    /* Mobile Floating CTA */
    .mobile-floating-cta {
        display: block;
        position: fixed;
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%) translateY(100px);
        opacity: 0;
        width: auto;
        min-width: 200px;
        padding: 1rem 2.5rem;
        background-color: var(--color-primary-blue);
        color: white;
        text-align: center;
        border-radius: 50px;
        font-weight: 600;
        box-shadow: 0 4px 20px rgba(0, 136, 255, 0.4);
        z-index: 1000;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-size: 0.9rem;
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        pointer-events: none;
    }

    .mobile-floating-cta.visible {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-floating-cta:hover {
        background-color: #0066cc;
        transform: translateX(-50%) translateY(-2px);
    }
}