:root {
  --bg: #e8e4df;
  --surface: #1a1a1a;
  --ink: #a8001a;
  --accent: #f2f0eb;
  --secondary-accent: #2a2a2a;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'IBM Plex Mono', monospace;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  --radius: 4px;
  --shadow: 0 4px 12px rgba(0,0,0,0.15);
  --transition: 0.25s ease;
  --grid-max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--bg); color: var(--surface); font-family: var(--font-body); line-height: 1.6; font-size: 0.85rem; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 400; letter-spacing: 0.04em; line-height: 1.2; color: var(--surface); margin-bottom: var(--spacing-md); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); border-bottom: 1px solid var(--ink); padding-bottom: var(--spacing-xs); display: inline-block; }
h3 { font-size: 1.1rem; }
p { margin-bottom: var(--spacing-sm); max-width: 65ch; }
a { color: var(--ink); text-decoration: none; transition: var(--transition); }
a:hover, a:focus { text-decoration: underline; text-decoration-thickness: 1px; }
ul { list-style: none; }
img, svg { max-width: 100%; height: auto; }

.container { max-width: var(--grid-max); margin: 0 auto; padding: 0 var(--spacing-md); }
.btn { display: inline-block; padding: 0.8rem 1.6rem; border-radius: var(--radius); font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-decoration: none; }
.btn-primary { background: var(--ink); color: var(--accent); border-color: var(--ink); }
.btn-primary:hover, .btn-primary:focus { background: transparent; color: var(--ink); }
.btn-secondary { background: transparent; color: var(--surface); border-color: var(--surface); }
.btn-secondary:hover, .btn-secondary:focus { background: var(--surface); color: var(--accent); }
.btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--bg); border-bottom: 1px solid var(--secondary-accent); padding: var(--spacing-sm) 0; display: flex; justify-content: space-between; align-items: center; transition: box-shadow var(--transition); }
.site-header.scrolled { box-shadow: var(--shadow); }
.brand-logo { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--surface); }
.main-nav ul { display: flex; gap: var(--spacing-md); }
.main-nav a { color: var(--surface); }
#menu-toggle { display: none; background: none; border: 1px solid var(--surface); padding: 0.4rem 0.6rem; cursor: pointer; font-family: var(--font-body); }

#scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--ink); z-index: 101; width: 0; transition: width 0.1s linear; }

.spine-axis { position: fixed; left: 0; top: 0; width: 1px; height: 100vh; background: linear-gradient(to bottom, transparent, var(--ink), transparent); opacity: 0.3; z-index: 50; pointer-events: none; animation: breathe 4s infinite alternate ease-in-out; }
@keyframes breathe { 0% { opacity: 0.2; width: 1px; } 100% { opacity: 0.5; width: 2px; } }

.hero-section { min-height: 90vh; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: var(--spacing-lg); padding: var(--spacing-xl) 0; position: relative; overflow: hidden; }
.hero-visual { width: 100%; aspect-ratio: 4/3; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); position: relative; }
.hero-visual svg { width: 100%; height: 100%; }
.hero-content { padding: var(--spacing-lg) var(--spacing-md) 0 var(--spacing-md); }
.hero-actions { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-md); flex-wrap: wrap; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-md); padding: var(--spacing-lg) 0; border-top: 1px solid var(--secondary-accent); border-bottom: 1px solid var(--secondary-accent); }
.stat-item { text-align: center; }
.stat-number { display: block; font-family: var(--font-heading); font-size: 2.5rem; color: var(--ink); }
.stat-label { font-size: 0.9rem; color: var(--secondary-accent); }

.section-spacer { padding: var(--spacing-xl) 0; }
.fade-up { opacity: 0; transform: scale(0.95); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible, .fade-up.is-visible { opacity: 1; transform: scale(1); }

.about-section, .process-section, .features-section, .benefits-section, .testimonials-section, .faq-section, .contact-section, .cta-section { padding: var(--spacing-xl) 0; }
.process-steps, .feature-grid, .benefit-grid, .testimonial-grid, .values-grid { display: grid; gap: var(--spacing-md); margin-top: var(--spacing-md); }
.process-steps { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.feature-grid, .benefit-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.step-card, .feature-card, .benefit-card, .value-card { background: var(--surface); color: var(--accent); padding: var(--spacing-md); border-radius: var(--radius); border: 1px solid var(--secondary-accent); box-shadow: var(--shadow); position: relative; }
.step-card::before, .feature-card::before, .benefit-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--ink); }
.feature-icon, .benefit-icon { width: 32px; height: 32px; margin-bottom: var(--spacing-sm); }

.testimonial-card { background: var(--bg); color: var(--surface); padding: var(--spacing-md); border-radius: var(--radius); border-left: 4px solid var(--ink); }
.stars { color: var(--ink); font-size: 1.2rem; margin-bottom: var(--spacing-sm); }
.author { display: flex; align-items: center; gap: var(--spacing-sm); margin-top: var(--spacing-sm); }
.avatar { width: 32px; height: 32px; background: var(--surface); color: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; }
.name { font-weight: 600; display: block; }
.role { font-size: 0.8rem; color: var(--secondary-accent); }

.faq-list { margin-top: var(--spacing-md); }
.faq-item { border-bottom: 1px solid var(--secondary-accent); padding: var(--spacing-sm) 0; }
.faq-question { background: none; border: none; width: 100%; text-align: left; font-family: var(--font-heading); font-size: 1rem; cursor: pointer; padding: var(--spacing-sm) 0; color: var(--surface); display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 1.2rem; transition: var(--transition); }
.faq-question[aria-expanded="true"]::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { margin-top: var(--spacing-sm); }

.contact-form { display: grid; gap: var(--spacing-sm); max-width: 600px; margin-top: var(--spacing-md); }
.form-field { display: flex; flex-direction: column; gap: 0.3rem; }
.form-field label { font-size: 0.8rem; font-weight: 600; }
.form-field input, .form-field textarea { background: var(--accent); border: 1px solid var(--secondary-accent); padding: 0.6rem; font-family: var(--font-body); font-size: 0.9rem; border-radius: var(--radius); }
.form-field input:focus, .form-field textarea:focus { outline: 2px solid var(--ink); outline-offset: 1px; border-color: var(--ink); }
.field-error { color: var(--ink); font-size: 0.75rem; margin-top: 0.2rem; display: none; }
.form-field.invalid .field-error { display: block; }
.form-field.invalid input, .form-field.invalid textarea { border-color: var(--ink); }

.cta-section { background: var(--surface); color: var(--accent); text-align: center; padding: var(--spacing-xl) 0; }
.cta-section h2 { border: none; margin-bottom: var(--spacing-md); }

.site-footer { background: var(--surface); color: var(--accent); padding: var(--spacing-lg) 0 var(--spacing-md); border-top: 1px solid var(--secondary-accent); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.footer-col h3 { color: var(--accent); border: none; margin-bottom: var(--spacing-sm); }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col p { font-size: 0.8rem; color: var(--accent); opacity: 0.8; }
.site-footer p { text-align: center; font-size: 0.75rem; opacity: 0.6; margin-top: var(--spacing-md); }

.cookie-banner { position: fixed; bottom: 0; left: 0; width: 100%; background: var(--surface); color: var(--accent); padding: var(--spacing-sm) 0; border-top: 2px solid var(--ink); z-index: 200; transform: translateY(100%); transition: transform 0.3s ease; }
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner .container { display: flex; flex-direction: column; gap: var(--spacing-sm); align-items: center; text-align: center; }
.cookie-actions { display: flex; gap: var(--spacing-sm); }
.cookie-actions button { padding: 0.5rem 1rem; border-radius: var(--radius); cursor: pointer; font-family: var(--font-body); }
.cookie-actions button:first-child { background: var(--ink); color: var(--accent); border: none; }
.cookie-actions button:last-child { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.legal-breadcrumb { padding: var(--spacing-md) 0; font-size: 0.8rem; color: var(--secondary-accent); }
.legal-page { padding: var(--spacing-lg) 0; }
.legal-page h2 { margin-top: var(--spacing-lg); }
.effective-date { font-style: italic; color: var(--secondary-accent); margin-bottom: var(--spacing-md); }
.cookie-table { width: 100%; border-collapse: collapse; margin: var(--spacing-md) 0; font-size: 0.85rem; }
.cookie-table th, .cookie-table td { border: 1px solid var(--secondary-accent); padding: 0.6rem; text-align: left; }
.cookie-table th { background: var(--secondary-accent); color: var(--accent); }

.thank-you-card { max-width: 600px; margin: var(--spacing-xl) auto; text-align: center; background: var(--surface); color: var(--accent); padding: var(--spacing-lg); border-radius: var(--radius); box-shadow: var(--shadow); }
.success-icon { width: 80px; height: 80px; margin-bottom: var(--spacing-md); }

.favicon-placeholder { display: none; }

@media (max-width: 768px) {
  .site-header { padding: var(--spacing-xs) 0; }
  #menu-toggle { display: block; }
  .main-nav { position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg); border-bottom: 1px solid var(--secondary-accent); max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
  .main-nav.open { max-height: 200px; }
  .main-nav ul { flex-direction: column; padding: var(--spacing-sm); gap: var(--spacing-sm); }
  .spine-axis { width: 100vw; height: 1px; top: 0; left: 0; background: linear-gradient(to right, transparent, var(--ink), transparent); animation: breatheMobile 4s infinite alternate ease-in-out; }
  @keyframes breatheMobile { 0% { opacity: 0.2; height: 1px; } 100% { opacity: 0.5; height: 2px; } }
  .hero-section { grid-template-columns: 1fr; min-height: 80vh; padding: var(--spacing-lg) 0; }
  .hero-visual { height: 240px; aspect-ratio: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-banner .container { text-align: left; }
  .cookie-actions { justify-content: flex-start; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
}

@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; }
  .fade-up { opacity: 1; transform: none; }
  .spine-axis { animation: none; opacity: 0.3; }
}