:root {
    --color-bg: #f8fafc;
    /* Light Slate/White */
    --color-text: #1e293b;
    /* Dark Slate Blue */
    --color-text-muted: #64748b;
    /* Slate */
    --color-primary: #059669;
    /* Emerald Green (Darker for contrast on light) */
    --color-primary-hover: #047857;
    --color-accent: #2563eb;
    /* Royal Blue */
    --color-surface: #ffffff;
    /* White */
    --color-border: #e2e8f0;
    /* Light Gray */

    --font-main: 'Inter', sans-serif;

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

    --container-width: 1200px;
    --header-height: 80px;
}

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

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

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

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

h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(to right, #1e293b, #475569);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header */
.site-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

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

.main-nav a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}

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

.lang-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-toggle:hover {
    border-color: var(--color-text);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Mobile Nav */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
        z-index: 999;
    }

    .main-nav.active {
        transform: translateY(0);
    }

    .main-nav a {
        width: 100%;
        text-align: center;
        padding: 0.5rem 0;
    }

    .main-nav .btn {
        width: 100%;
        text-align: center;
    }

    /* Hamburger Animation */
    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

/* Hero */
.hero {
    padding-top: calc(var(--header-height) + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    text-align: center;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

/* Footer */
.site-footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Sections General */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

/* Problem Section */
.problem-section {
    background-color: #f1f5f9;
    /* Light gray for contrast */
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem-text h3 {
    font-size: 1.5rem;
    color: #dc2626;
    /* Red for danger/problem */
    margin-bottom: var(--spacing-sm);
}

.problem-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

/* Solution Section */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.solution-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    padding: var(--spacing-md);
    background: #ffffff;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border);
    border-left-width: 4px;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 600;
}

.feature-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Detailed Features Accordion */
.features-details {
    margin-top: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.details-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.accordion-item {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item[open] {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border-color: var(--color-primary);
}

.accordion-header {
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--color-text);
    list-style: none;
    /* Remove default triangle */
}

.accordion-header::-webkit-details-marker {
    display: none;
}

.accordion-header:hover {
    background-color: #f8fafc;
}

.accordion-header .icon {
    font-weight: 300;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.accordion-item[open] .accordion-header .icon {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--color-text-muted);
    border-top: 1px solid transparent;
}

.accordion-item[open] .accordion-content {
    border-top-color: var(--color-border);
    padding-top: 1rem;
    animation: slideDown 0.3s ease-out;
}

.feature-list {
    list-style-type: disc;
    padding-left: 1.5rem;
}

.feature-list li {
    margin-bottom: 0.5rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* Sovereign AI Section (Updated) */
.sovereign-section {
    background-color: #0f172a;
    color: #ffffff;
}

.sovereign-section .section-title,
.sovereign-section .section-subtitle {
    color: #ffffff;
}

.sovereign-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sov-summary-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.sov-summary-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.sov-summary-card.highlight {
    border-color: var(--color-primary);
    background: rgba(5, 150, 105, 0.1);
}

.sov-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.sov-summary-card h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.sov-summary-card p {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Dark Accordion for Sovereign Section */
.dark-accordion .accordion-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-accordion .accordion-header {
    color: #ffffff;
}

.dark-accordion .accordion-header:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.dark-accordion .accordion-content {
    color: #cbd5e1;
    border-top-color: rgba(255, 255, 255, 0.1);
}

.sov-actions {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.btn-light {
    border-color: #ffffff;
    color: #ffffff;
}

.btn-light:hover {
    background-color: #ffffff;
    color: #0f172a;
}

/* Security Page Styles */
.security-hero {
    background-color: #0f172a;
    color: #ffffff;
    padding-top: calc(var(--header-height) + var(--spacing-lg));
    padding-bottom: var(--spacing-lg);
}

.security-hero h1 {
    background: none;
    -webkit-text-fill-color: initial;
    color: #ffffff;
}

.security-hero .hero-subtitle {
    color: #cbd5e1;
}

.security-content {
    max-width: 900px;
    margin: 0 auto;
}

.security-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.comparison-card {
    background: #f8fafc;
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.comparison-card.highlight {
    background: #f0fdf4;
    border-color: var(--color-primary);
    box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.1);
}

.comparison-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.audit-list {
    list-style: none;
    padding: 0;
}

.audit-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 1.5rem;
    position: relative;
}

.audit-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.why-matters {
    background: #f8fafc;
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

/* Technical Snippet (Terminal Style) */
.tech-snippet {
    max-width: 800px;
    margin: 0 auto;
    background: #1e293b;
    border-radius: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    font-family: 'Courier New', Courier, monospace;
    border: 1px solid #334155;
}

.snippet-header {
    background: #334155;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red {
    background: #ef4444;
}

.dot.yellow {
    background: #f59e0b;
}

.dot.green {
    background: #10b981;
}

.snippet-title {
    margin-left: 1rem;
    color: #94a3b8;
    font-size: 0.9rem;
}

.snippet-body {
    padding: 1.5rem;
    color: #e2e8f0;
}

.code-line {
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.prompt {
    color: var(--color-primary);
    margin-right: 0.5rem;
    font-weight: bold;
}

.blinking-cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* White Paper Section */
.wp-section {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.wp-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
    background: #f8fafc;
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.wp-text {
    flex: 1;
}

.wp-text h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.wp-text p {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.wp-icon {
    font-size: 5rem;
    opacity: 0.8;
}

.btn-wp {
    border-color: var(--color-text);
    color: var(--color-text);
}

.btn-wp:hover {
    background-color: var(--color-text);
    color: #fff;
}

.wp-note {
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    font-style: italic;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .wp-content {
        flex-direction: column;
        text-align: center;
    }

    .wp-icon {
        order: -1;
        font-size: 4rem;
    }
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(16, 185, 129, 0.1), rgba(10, 14, 23, 0));
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.cta-note {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Animations */
.fade-up-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grids if needed, but simple observer is often enough */