:root {
    --bg: #0f1114;
    --surface: #16181c;
    --surface-highlight: #1c1f24;
    --ink: #e8e6e3;
    --ink-dim: #8a8885;
    --accent: #39ff14;
    --accent-dim: rgba(57, 255, 20, 0.1);
    --accent-glow: rgba(57, 255, 20, 0.4);
    --secondary: #00a8ff;
    --secondary-dim: rgba(0, 168, 255, 0.1);
    --error: #ff4d4d;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-data: 'JetBrains Mono', monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg);
    color: var(--ink);
    font-family: var(--font-heading);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

a:hover, a:focus-visible {
    color: var(--accent);
}

img, svg {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: 1.25rem;
    font-family: var(--font-data);
    color: var(--secondary);
}

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

code, pre {
    font-family: var(--font-data);
}

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

#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--accent);
    width: 0%;
    z-index: 1001;
    transition: width 100ms linear;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 17, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--surface-highlight);
    transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    font-family: var(--font-data);
    letter-spacing: -0.03em;
}

.burger-btn {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.burger-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    transition: transform var(--transition-fast);
}

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

.nav-link {
    font-size: 0.9rem;
    font-family: var(--font-data);
    color: var(--ink-dim);
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link:focus-visible {
    color: var(--accent);
}

.breadcrumb {
    padding: var(--spacing-md) 0;
    font-family: var(--font-data);
    font-size: 0.85rem;
    color: var(--ink-dim);
}

.breadcrumb .separator {
    margin: 0 var(--spacing-xs);
    color: var(--accent);
}

.breadcrumb [aria-current="page"] {
    color: var(--ink);
}

.hero-scanner {
    position: relative;
    width: 100%;
    height: 80vh;
    min-height: 600px;
    overflow: hidden;
    border-bottom: 1px solid var(--surface-highlight);
}

.scanner-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#index-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
}

#index-marker {
    transition: opacity var(--transition-fast);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
}

.pill-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--accent-dim);
    color: var(--accent);
    font-family: var(--font-data);
    font-size: 0.8rem;
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(57, 255, 20, 0.2);
}

.hero-sub {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: var(--spacing-md);
    color: var(--ink-dim);
}

.cta-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    font-family: var(--font-data);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    min-height: 48px;
    cursor: pointer;
}

.btn.primary {
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
}

.btn.primary:hover, .btn.primary:focus-visible {
    background: #32d611;
    border-color: #32d611;
    box-shadow: 0 0 15px var(--accent-glow);
}

.btn.secondary {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--ink-dim);
}

.btn.secondary:hover, .btn.secondary:focus-visible {
    border-color: var(--secondary);
    color: var(--secondary);
}

.btn:focus-visible {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}

section {
    padding: var(--spacing-xl) 0;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
}

.about-visual svg {
    width: 100%;
    height: auto;
    max-width: 400px;
}

.values-section .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--surface-highlight);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-sm);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.testimonials-section {
    background: var(--surface);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--secondary);
}

.stars {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.testimonial-card blockquote {
    font-style: italic;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--surface-highlight);
    border-radius: 50%;
    border: 1px solid var(--accent);
}

.author-name {
    display: block;
    font-weight: 700;
    color: var(--ink);
}

.author-role {
    font-size: 0.8rem;
    color: var(--ink-dim);
    font-family: var(--font-data);
}

.contact-section {
    background: linear-gradient(to bottom, var(--bg), var(--surface));
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
    max-width: 600px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-field label {
    font-family: var(--font-data);
    font-size: 0.9rem;
    color: var(--ink);
}

.form-field input, .form-field textarea {
    background: var(--surface);
    border: 1px solid var(--surface-highlight);
    padding: 0.8rem;
    color: var(--ink);
    font-family: var(--font-data);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.form-field textarea {
    min-height: 120px;
    resize: vertical;
}

.form-field input:focus, .form-field textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-field .field-error {
    color: var(--error);
    font-size: 0.8rem;
    display: none;
}

.form-field.has-error input, .form-field.has-error textarea {
    border-color: var(--error);
}

.form-field.has-error .field-error {
    display: block;
}

.cta-section {
    background: var(--accent);
    color: var(--bg);
    text-align: center;
}

.cta-section h3 {
    color: var(--bg);
}

.cta-section p {
    color: rgba(15, 17, 20, 0.7);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cta-buttons .btn.primary {
    background: var(--bg);
    color: var(--accent);
    border-color: var(--bg);
}

.cta-buttons .btn.primary:hover {
    background: #1a1c1e;
}

.site-footer {
    background: var(--surface);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--surface-highlight);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-md);
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.footer-col h4 {
    font-size: 1rem;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    display: block;
    color: var(--ink-dim);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.footer-col p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--accent);
    padding: var(--spacing-sm);
    z-index: 999;
    display: none;
}

.cookie-banner.visible {
    display: block;
}

.cookie-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.legal-page {
    padding: var(--spacing-lg) 0;
}

.legal-intro {
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
}

.legal-content {
    max-width: 900px;
}

.legal-section {
    margin-bottom: var(--spacing-lg);
}

.legal-section h2 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: var(--spacing-lg);
}

.legal-section p {
    margin-bottom: var(--spacing-md);
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
    font-family: var(--font-data);
    font-size: 0.9rem;
}

.cookie-table th, .cookie-table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--surface-highlight);
    text-align: left;
}

.cookie-table th {
    color: var(--accent);
    background: var(--surface);
}

.cookie-table tr:hover td {
    background: var(--surface-highlight);
}

.thank-you-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.thank-you-card {
    text-align: center;
    max-width: 600px;
    padding: var(--spacing-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    animation: scaleIn 0.5s ease forwards;
}

.thank-you-sub {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible, .fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes scaleIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 768px) {
    .burger-btn {
        display: flex;
    }

    #main-nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--surface-highlight);
    }

    #main-nav.open {
        display: flex;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .cookie-actions {
        width: 100%;
    }

    .cookie-actions .btn {
        flex: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}