:root {
    --color-bg: #0f172a;
    --color-surface: #e2e8f0;
    --color-ink: #38bdf8;
    --color-accent: #f59e0b;
    --color-secondary: #1e293b;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'JetBrains Mono', 'Fira Code', monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-focus: 0 0 0 3px rgba(56, 189, 248, 0.5);
    --transition-base: all 0.2s ease-in-out;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
}

/* Scroll Progress */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-ink);
    z-index: 1001;
    transition: width 0.1s linear;
}

/* Header & Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-secondary);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 12px rgba(0,0,0,0.5); }
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-ink);
    font-weight: 700;
    font-size: 1.25rem;
}
.brand-logo svg { flex-shrink: 0; }
.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.main-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.main-nav a:hover, .main-nav a:focus { color: var(--color-ink); }
#menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
#menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: var(--transition-base);
}

/* Layout & Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}
.section-hero, .section-standard {
    padding: 4rem 0;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}
.bento-card, .feature-card, .benefit-card, .testimonial-card, .step, .legal-section, .thank-you-card {
    background-color: var(--color-surface);
    color: var(--color-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
}
.bento-card:hover, .feature-card:hover, .benefit-card:hover, .testimonial-card:hover, .step:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}
.bento-card { grid-column: span 12; position: relative; overflow: hidden; }
.feature-cards .bento-card { grid-column: span 4; }
.benefit-grid .benefit-card { grid-column: span 4; }
.feature-grid .feature-card { grid-column: span 4; display: flex; flex-direction: column; gap: 1rem; }

/* Hero */
.hero-visual {
    grid-column: span 12;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, var(--color-secondary) 0%, var(--color-bg) 70%);
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}
.hero-visual svg { width: 100%; height: 100%; max-width: 800px; }
.hero-content {
    grid-column: span 12;
    text-align: center;
}
.hero-content h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: 1.5rem;
    min-height: 3rem;
}
.hero-content p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
    font-size: 1rem;
}
.btn-primary {
    background-color: var(--color-ink);
    color: var(--color-bg);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: #0ea5e9;
    box-shadow: var(--shadow-focus);
}
.btn-secondary {
    background-color: transparent;
    border-color: var(--color-ink);
    color: var(--color-ink);
}
.btn-secondary:hover, .btn-secondary:focus {
    background-color: rgba(56, 189, 248, 0.1);
}

/* Content Visuals */
.card-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    pointer-events: none;
}
.bento-visual {
    grid-column: span 12;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}
.bento-visual svg { width: 100%; height: 100%; }

/* Process Steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}
.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}
.step-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 700;
    min-width: 3rem;
}

/* Features & Benefits */
.icon {
    width: 48px;
    height: 48px;
    color: var(--color-ink);
    flex-shrink: 0;
}
.feature-card h3, .benefit-card h3 {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--color-bg);
    margin-bottom: 0.5rem;
}
.feature-card p, .benefit-card p {
    font-size: 0.95rem;
    color: var(--color-secondary);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.testimonial-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.testimonial-card .stars {
    color: var(--color-accent);
    font-size: 1.25rem;
    letter-spacing: 2px;
}
.testimonial-card blockquote {
    font-style: italic;
    margin: 0;
    color: var(--color-bg);
}
.testimonial-card cite {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-style: normal;
}
.avatar {
    width: 40px;
    height: 40px;
    background-color: var(--color-ink);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}
.author strong { display: block; color: var(--color-bg); }
.author span { font-size: 0.875rem; color: var(--color-secondary); }

/* FAQ */
.faq-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-item {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.25rem;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--color-surface);
}
.faq-item[aria-expanded="true"] .faq-answer { max-height: 500px; }
.faq-item[aria-expanded="true"] .faq-question::after { transform: rotate(45deg); }
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-ink);
    transition: transform 0.3s;
}
.faq-answer p {
    padding: 0 1.25rem 1.25rem;
    margin: 0;
    color: var(--color-bg);
}

/* Forms */
.contact-form {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}
.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-field label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-ink);
}
.form-field input, .form-field textarea {
    padding: 0.75rem;
    border: 1px solid var(--color-ink);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-bg);
    font-size: 1rem;
    font-family: var(--font-sans);
}
.form-field input:focus, .form-field textarea:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
}
.form-field input.error, .form-field textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}
.field-error {
    color: #ef4444;
    font-size: 0.875rem;
    min-height: 1.25rem;
}

/* CTA Banner */
.cta-box {
    background-color: var(--color-ink);
    color: var(--color-bg);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: 2rem;
}
.cta-box h2 {
    font-family: var(--font-mono);
    margin-top: 0;
}
.cta-box p {
    margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
    background-color: var(--color-secondary);
    padding: 4rem 0 2rem;
    color: var(--color-text);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-col h4 {
    color: var(--color-ink);
    font-family: var(--font-mono);
    margin-bottom: 1rem;
}
.footer-col a {
    display: block;
    color: var(--color-text);
    text-decoration: none;
    margin-bottom: 0.5rem;
}
.footer-col a:hover, .footer-col a:focus {
    color: var(--color-ink);
}
.site-footer address {
    font-style: normal;
    margin: 1rem 0;
    color: var(--color-text-muted);
}
.site-footer p {
    margin: 0;
    color: var(--color-text-muted);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-secondary);
    padding: 1rem 2rem;
    border-top: 1px solid var(--color-ink);
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.cookie-actions {
    display: flex;
    gap: 1rem;
}

/* Legal Pages */
.legal-page {
    padding: 4rem 0;
    min-height: 60vh;
}
.legal-page h1 {
    font-family: var(--font-mono);
    color: var(--color-ink);
    margin-bottom: 1rem;
}
.legal-intro {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    border-left: 4px solid var(--color-accent);
    padding-left: 1rem;
}
.legal-section {
    margin-bottom: 2rem;
}
.legal-section h2 {
    color: var(--color-bg);
    font-family: var(--font-mono);
    margin-bottom: 1rem;
}
.legal-section p, .legal-section ul {
    color: var(--color-bg);
}
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}
.cookie-table th, .cookie-table td {
    border: 1px solid var(--color-ink);
    padding: 0.75rem;
    text-align: left;
}
.cookie-table th {
    background-color: var(--color-ink);
    color: var(--color-bg);
}

/* Thank You Page */
.site-thankyou {
    text-align: center;
    padding: 4rem 0;
}
.success-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}
.success-icon svg {
    width: 100%;
    height: 100%;
}
.temporary-title {
    color: var(--color-ink);
    margin-bottom: 1.5rem;
}
.temporary-paragraph {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 2rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}
.breadcrumb a {
    color: var(--color-ink);
    text-decoration: none;
}

/* Pills & Badges */
.pill-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Fade Up & Stats */
.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); }
.stat-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--color-ink);
}

/* Responsive */
@media (max-width: 768px) {
    .site-header { padding: 0.75rem 1rem; }
    .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--color-ink);
        display: none;
    }
    .main-nav.open { display: flex; }
    #menu-toggle { display: block; }
    .bento-grid, .feature-cards .bento-card, .benefit-grid .benefit-card, .feature-grid .feature-card { grid-column: span 12; }
    .hero-visual { height: 200px; }
    .hero-content h1 { font-size: 1.75rem; }
    .cookie-content { flex-direction: column; align-items: flex-start; }
    .cookie-actions { width: 100%; justify-content: stretch; }
    .cookie-actions .btn { flex: 1; }
}

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