/* Variables & Reset */
:root {
--color-bg: #1a1b1e;
--color-surface: #e2e8f0;
--color-ink: #3b82f6;
--color-accent: #d4d4d8;
--color-secondary: #18181b;
--color-text: #e2e8f0;
--color-text-muted: #a1a1aa;
--color-error: #ef4444;
--radius-sm: 4px;
--radius-md: 8px;
--radius-lg: 12px;
--radius-pill: 9999px;
--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
--font-primary: 'Space Grotesk', sans-serif;
--font-mono: 'IBM Plex Mono', monospace;
--spacing-xs: 0.5rem;
--spacing-sm: 1rem;
--spacing-md: 1.5rem;
--spacing-lg: 2rem;
--spacing-xl: 3rem;
--spacing-xxl: 4rem;
--container-max: 1200px;
--header-height: 80px;
}

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

html {
scroll-behavior: smooth;
}

body {
background-color: var(--color-bg);
color: var(--color-text);
font-family: var(--font-primary);
line-height: 1.6;
font-size: 16px;
min-height: 100vh;
overflow-x: hidden;
}

.container {
width: 100%;
max-width: var(--container-max);
margin-left: auto;
margin-right: auto;
padding-left: var(--spacing-md);
padding-right: var(--spacing-md);
}

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

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
p { margin-bottom: var(--spacing-sm); color: var(--color-accent); }

a {
color: var(--color-ink);
text-decoration: none;
transition: color 0.2s ease;
}

a:hover {
color: var(--color-surface);
}

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

/* Header */
.site-header {
position: sticky;
top: 0;
left: 0;
right: 0;
height: var(--header-height);
background-color: rgba(26, 27, 30, 0.95);
backdrop-filter: blur(8px);
border-bottom: 1px solid var(--color-secondary);
z-index: 1000;
transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
box-shadow: var(--shadow-md);
}

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

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

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

.nav-link {
color: var(--color-text-muted);
font-weight: 500;
position: relative;
}

.nav-link::after {
content: '';
position: absolute;
bottom: -4px;
left: 0;
width: 0;
height: 2px;
background-color: var(--color-ink);
transition: width 0.2s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
width: 100%;
}

#menu-toggle {
display: none;
background: none;
border: none;
cursor: pointer;
padding: var(--spacing-xs);
}

#menu-toggle span {
display: block;
width: 24px;
height: 2px;
background-color: var(--color-ink);
margin: 6px 0;
transition: 0.3s;
}

/* Scroll Progress */
#scroll-progress {
position: fixed;
top: 0;
left: 0;
height: 4px;
background: linear-gradient(90deg, var(--color-ink), var(--color-accent));
width: 0;
z-index: 1001;
}

/* Hero Section */
.hero-section {
padding-top: calc(var(--header-height) + var(--spacing-xxl));
padding-bottom: var(--spacing-xxl);
position: relative;
overflow: hidden;
}

.hero-inner {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--spacing-xl);
align-items: center;
}

.hero-content {
position: relative;
z-index: 1;
}

.hero-content h1 {
margin-bottom: var(--spacing-md);
}

.hero-subtitle {
font-size: 1.125rem;
color: var(--color-text-muted);
margin-bottom: var(--spacing-lg);
max-width: 600px;
}

.hero-ctas {
display: flex;
gap: var(--spacing-sm);
flex-wrap: wrap;
}

.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0.75rem 1.5rem;
border-radius: var(--radius-md);
font-weight: 600;
font-size: 1rem;
cursor: pointer;
transition: all 0.2s ease;
border: 1px solid transparent;
text-decoration: none;
}

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

.btn-primary:hover {
background-color: #2563eb;
transform: translateY(-2px);
box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
background-color: rgba(59, 130, 246, 0.1);
transform: translateY(-2px);
}

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

.btn-tertiary:hover {
background-color: var(--color-secondary);
color: var(--color-text);
}

.hero-visual {
position: relative;
width: 100%;
height: 400px;
}

#hero-graphic {
width: 100%;
height: 100%;
}

/* Stats Section */
.stats-section {
padding: var(--spacing-xl) 0;
border-top: 1px solid var(--color-secondary);
border-bottom: 1px solid var(--color-secondary);
background-color: rgba(24, 24, 27, 0.5);
}

.stats-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: var(--spacing-lg);
text-align: center;
}

.stat-number {
font-family: var(--font-mono);
font-size: 2.5rem;
font-weight: 700;
color: var(--color-ink);
margin-bottom: var(--spacing-xs);
}

/* About Section */
.about-section {
padding: var(--spacing-xxl) 0;
}

.section-header {
text-align: center;
margin-bottom: var(--spacing-xl);
max-width: 800px;
margin-left: auto;
margin-right: auto;
}

.pill-badge {
display: inline-block;
padding: 0.25rem 0.75rem;
background-color: var(--color-secondary);
color: var(--color-ink);
border-radius: var(--radius-pill);
font-size: 0.875rem;
font-weight: 600;
margin-bottom: var(--spacing-sm);
text-transform: uppercase;
letter-spacing: 0.05em;
}

.about-visual {
width: 100%;
height: 300px;
margin-top: var(--spacing-xl);
}

.about-visual svg {
width: 100%;
height: 100%;
}

/* Process Section */
.process-section {
padding: var(--spacing-xxl) 0;
}

.process-steps {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: var(--spacing-lg);
}

.step-card {
background-color: var(--color-secondary);
padding: var(--spacing-lg);
border-radius: var(--radius-md);
border: 1px solid var(--color-secondary);
position: relative;
}

.step-number {
font-family: var(--font-mono);
font-size: 3rem;
font-weight: 700;
color: var(--color-ink);
opacity: 0.2;
position: absolute;
top: var(--spacing-sm);
right: var(--spacing-sm);
}

.step-card h3 {
margin-top: var(--spacing-md);
color: var(--color-surface);
}

/* Features Section */
.features-section {
padding: var(--spacing-xxl) 0;
}

.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: var(--spacing-lg);
}

.feature-card {
background-color: rgba(24, 24, 27, 0.5);
padding: var(--spacing-lg);
border-radius: var(--radius-md);
border: 1px solid var(--color-secondary);
transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-md);
}

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

/* Benefits Section */
.benefits-section {
padding: var(--spacing-xxl) 0;
}

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

.benefit-item {
display: flex;
gap: var(--spacing-sm);
align-items: flex-start;
}

.benefit-icon {
width: 32px;
height: 32px;
flex-shrink: 0;
}

/* Testimonials Section */
.testimonials-section {
padding: var(--spacing-xxl) 0;
}

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

.testimonial-card {
background-color: var(--color-secondary);
padding: var(--spacing-lg);
border-radius: var(--radius-md);
border: 1px solid var(--color-secondary);
}

.stars {
color: var(--color-ink);
font-size: 1.25rem;
margin-bottom: var(--spacing-sm);
}

.quote {
font-style: italic;
color: var(--color-text);
margin-bottom: var(--spacing-md);
}

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

.avatar {
width: 40px;
height: 40px;
background-color: var(--color-ink);
color: #ffffff;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-weight: 600;
font-size: 0.875rem;
}

.author-name {
font-weight: 600;
color: var(--color-surface);
margin: 0;
}

.author-role {
font-size: 0.875rem;
color: var(--color-text-muted);
margin: 0;
}

/* FAQ Section */
.faq-section {
padding: var(--spacing-xxl) 0;
}

.faq-list {
max-width: 800px;
margin: 0 auto;
}

.faq-item {
margin-bottom: var(--spacing-sm);
border-bottom: 1px solid var(--color-secondary);
}

.faq-question {
width: 100%;
background: none;
border: none;
padding: var(--spacing-md) 0;
text-align: left;
font-size: 1.125rem;
font-weight: 600;
color: var(--color-surface);
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
transition: color 0.2s ease;
}

.faq-question:hover {
color: var(--color-ink);
}

.faq-question::after {
content: '+';
font-size: 1.5rem;
transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"]::after {
content: '−';
transform: rotate(180deg);
}

.faq-answer {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}

.faq-answer p {
padding-bottom: var(--spacing-md);
}

/* Contact Section */
.contact-section {
padding: var(--spacing-xxl) 0;
}

.contact-form {
max-width: 600px;
margin: 0 auto var(--spacing-xl);
}

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

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

.form-field label {
font-weight: 600;
color: var(--color-surface);
}

.form-field input {
padding: 0.75rem;
background-color: var(--color-secondary);
border: 1px solid var(--color-secondary);
border-radius: var(--radius-md);
color: var(--color-text);
font-size: 1rem;
transition: border-color 0.2s ease;
}

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

.form-field input:not(:placeholder-shown):invalid {
border-color: var(--color-error);
}

.field-error {
color: var(--color-error);
font-size: 0.875rem;
min-height: 1.25rem;
}

.form-submit {
margin-top: var(--spacing-md);
}

.contact-cta {
text-align: center;
margin-top: var(--spacing-xl);
}

.cta-subtitle {
font-size: 1.25rem;
color: var(--color-surface);
margin-bottom: var(--spacing-sm);
}

/* Footer */
.site-footer {
background-color: var(--color-secondary);
border-top: 1px solid var(--color-secondary);
padding: var(--spacing-xxl) 0 var(--spacing-lg);
margin-top: var(--spacing-xxl);
}

.footer-grid {
display: grid;
grid-template-columns: 2fr 1fr 1fr 1.5fr;
gap: var(--spacing-lg);
margin-bottom: var(--spacing-xl);
}

.footer-brand .brand-name {
font-size: 1.5rem;
font-weight: 700;
color: var(--color-ink);
margin-bottom: var(--spacing-sm);
}

.footer-brand .tagline {
font-size: 0.875rem;
color: var(--color-text-muted);
margin-bottom: var(--spacing-md);
}

.contact-info p {
font-size: 0.875rem;
color: var(--color-text-muted);
margin-bottom: 0.25rem;
}

.contact-info a {
color: var(--color-ink);
}

.nav-title {
font-weight: 600;
color: var(--color-surface);
margin-bottom: var(--spacing-sm);
}

.footer-link {
display: block;
color: var(--color-text-muted);
margin-bottom: 0.5rem;
font-size: 0.875rem;
}

.footer-link:hover {
color: var(--color-ink);
}

.footer-status .status-text {
font-family: var(--font-mono);
font-size: 0.75rem;
color: var(--color-ink);
background-color: rgba(59, 130, 246, 0.1);
padding: 0.25rem 0.5rem;
border-radius: var(--radius-sm);
}

.footer-bottom {
text-align: center;
padding-top: var(--spacing-lg);
border-top: 1px solid var(--color-secondary);
}

.footer-bottom p {
font-size: 0.875rem;
color: var(--color-text-muted);
margin: 0;
}

/* Cookie Banner */
.cookie-banner {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background-color: var(--color-secondary);
border-top: 1px solid var(--color-secondary);
padding: var(--spacing-sm);
z-index: 2000;
transform: translateY(100%);
transition: transform 0.3s ease;
}

.cookie-banner.visible {
transform: translateY(0);
}

.cookie-content {
max-width: var(--container-max);
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
flex-wrap: wrap;
gap: var(--spacing-sm);
}

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

/* Legal Pages */
.legal-page {
padding: calc(var(--header-height) + var(--spacing-xxl)) 0 var(--spacing-xxl);
}

.legal-page nav {
margin-bottom: var(--spacing-lg);
font-size: 0.875rem;
}

.legal-page nav span {
color: var(--color-text-muted);
}

.effective-info {
font-size: 0.875rem;
color: var(--color-text-muted);
margin-bottom: var(--spacing-xl);
}

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

.legal-content h2 {
font-size: 1.5rem;
color: var(--color-ink);
margin-bottom: var(--spacing-sm);
}

.cookie-table-responsive {
overflow-x: auto;
}

table {
width: 100%;
border-collapse: collapse;
margin-top: var(--spacing-sm);
}

th, td {
padding: 0.75rem;
text-align: left;
border-bottom: 1px solid var(--color-secondary);
}

th {
background-color: var(--color-secondary);
color: var(--color-surface);
}

td {
color: var(--color-accent);
}

/* Thank You Section */
.thank-you-section {
min-height: calc(100vh - var(--header-height));
display: flex;
align-items: center;
justify-content: center;
padding: var(--spacing-xxl) 0;
}

.thank-you-card {
text-align: center;
max-width: 600px;
padding: var(--spacing-xxl);
background-color: var(--color-secondary);
border-radius: var(--radius-lg);
border: 1px solid var(--color-secondary);
}

.success-icon {
width: 80px;
height: 80px;
margin: 0 auto var(--spacing-lg);
}

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

.success-text {
margin-bottom: var(--spacing-md);
}

/* Layout Utilities */
.layout-landing,
.layout-about {
min-height: 100vh;
}

/* Fade Up Animation */
.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);
}

/* Responsive Design */
@media (max-width: 768px) {
#menu-toggle {
display: block;
}

.main-nav {
position: fixed;
top: var(--header-height);
left: 0;
right: 0;
background-color: var(--color-bg);
flex-direction: column;
padding: var(--spacing-lg);
border-bottom: 1px solid var(--color-secondary);
transform: translateY(-100%);
opacity: 0;
pointer-events: none;
transition: transform 0.3s ease, opacity 0.3s ease;
}

.main-nav.open {
transform: translateY(0);
opacity: 1;
pointer-events: all;
}

.hero-inner {
grid-template-columns: 1fr;
text-align: center;
}

.hero-ctas {
justify-content: center;
}

.hero-visual {
height: 300px;
}

.footer-grid {
grid-template-columns: 1fr;
text-align: center;
}

.cookie-content {
flex-direction: column;
text-align: center;
}

.cookie-actions {
width: 100%;
justify-content: center;
}
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
html {
scroll-behavior: auto;
}

* {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}