:root {
  --color-primary: #0A0A0C;
  --color-secondary: #141417;
  --color-accent: #00E5FF;
  --color-background: #050505;
  --color-surface: #121215;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A1A1AA;
  --color-border: #27272A;

  --font-heading: 'Inter', sans-serif;
  --font-body: 'JetBrains Mono', monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-8: 5rem;
  --space-10: 8rem;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --ease-spring: cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-fast: 150ms var(--ease-spring);
  --transition-normal: 250ms var(--ease-spring);
}

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

html {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: 1.6;
  font-size: 16px;
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--space-3); color: var(--color-text-secondary); }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: #fff; }
ul, ol { margin-bottom: var(--space-3); padding-left: var(--space-4); color: var(--color-text-secondary); }

img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.max-w-3xl { max-width: 48rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.color-text-secondary { color: var(--color-text-secondary); }
.text-primary { color: var(--color-accent); }
.bg-surface { background-color: var(--color-surface); }
.section-padding { padding: var(--space-8) 0; }
.hidden { display: none !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  text-align: center;
}
.btn:active { transform: translateY(1px); }

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

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

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

.btn-large { padding: 1rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }
.btn-block { width: 100%; display: flex; }
.btn-icon { background: none; border: none; color: var(--color-text-secondary); font-size: 1.5rem; }
.btn-icon:hover { color: var(--color-accent); }

/* Header & Nav Base */
.site-header {
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 var(--space-4);
  max-width: 1440px;
  margin: 0 auto;
}

.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 1px;
}

.burger-menu {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  padding: 4px;
}
.burger-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.main-nav { display: none; }
.header-cta { display: none; }

.main-nav.is-open {
  display: block;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4);
}
.nav-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-4); }
.nav-list a { font-family: var(--font-heading); font-weight: 600; color: var(--color-text-secondary); font-size: 1.1rem; }
.nav-list a[aria-current="page"] { color: var(--color-accent); }
.nav-list a:hover { color: var(--color-text-primary); }

/* Main layout */
main { flex: 1; }

/* Forms */
.form-group { margin-bottom: var(--space-4); }
.form-label, label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}
.form-input {
  width: 100%;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
}
textarea.form-input { resize: vertical; min-height: 120px; }
.form-row { display: grid; gap: var(--space-4); }

/* Components */
.card-panel {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.ledger-list { list-style: none; padding: 0; margin: 0; }
.ledger-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.ledger-list li:last-child { border-bottom: none; }
.ledger-label { color: var(--color-text-secondary); }
.ledger-value { color: var(--color-text-primary); text-align: right; max-width: 60%; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background-color: rgba(0, 229, 255, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  font-family: var(--font-heading);
  font-weight: 600;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Sections */
.section-header { margin-bottom: var(--space-6); }
.section-header p { font-size: 1.1rem; max-width: 40rem; }

/* Hero */
.hero-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 80vh;
  border-bottom: 1px solid var(--color-border);
}
.hero-content {
  padding: var(--space-8) var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-eyebrow {
  color: var(--color-accent);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  margin-bottom: var(--space-3);
  display: block;
}
.hero-title { font-size: 2.5rem; margin-bottom: var(--space-4); }
.hero-subtitle { font-size: 1.1rem; margin-bottom: var(--space-5); max-width: 32rem; }
.hero-actions { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-6); }
.hero-visual {
  min-height: 300px;
  background-size: cover;
  background-position: center;
  position: relative;
  border-top: 1px solid var(--color-border);
}
.hero-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-background) 0%, transparent 50%);
}
.hero-trust-metrics { display: flex; flex-wrap: wrap; gap: var(--space-4); border-top: 1px solid var(--color-border); padding-top: var(--space-4); }
.metric { display: flex; flex-direction: column; }
.metric-val { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-text-primary); }
.metric-label { font-size: 0.8rem; color: var(--color-text-secondary); text-transform: uppercase; }

/* Service Cards */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.service-card {
  background-color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}
.service-card-media {
  height: 200px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--color-border);
}
.service-card-content { padding: var(--space-4); display: flex; flex-direction: column; flex: 1; }
.service-name { font-size: 1.25rem; margin-bottom: var(--space-2); }
.service-desc { font-size: 0.9rem; margin-bottom: var(--space-4); flex: 1; }
.service-meta { margin-bottom: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-border); font-size: 0.85rem; }
.meta-row { display: flex; margin-bottom: 0.25rem; }
.meta-row span { color: var(--color-text-secondary); width: 70px; flex-shrink: 0; }
.dual-actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }

/* Timeline Rail */
.timeline-rail { position: relative; padding-left: var(--space-4); }
.timeline-rail::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 5px;
  width: 2px;
  background-color: var(--color-border);
}
.timeline-node { position: relative; margin-bottom: var(--space-5); }
.node-marker {
  position: absolute;
  left: calc(var(--space-4) * -1 - 4px);
  top: 6px;
  width: 10px;
  height: 10px;
  background-color: var(--color-background);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}
.node-content h4 { margin-bottom: var(--space-1); }
.node-content p { font-size: 0.9rem; margin: 0; }

/* Role Map */
.role-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.role-card {
  padding: var(--space-4);
  border-left: 2px solid var(--color-accent);
  background-color: var(--color-primary);
}
.role-card h4 { margin-bottom: var(--space-2); font-size: 1.1rem; }
.role-card p { font-size: 0.9rem; margin: 0; }

/* Client Notes */
.note-masonry { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.note-card {
  padding: var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.note-card blockquote { font-family: var(--font-heading); font-size: 1rem; color: var(--color-text-primary); margin-bottom: var(--space-3); line-height: 1.5; font-style: italic; }
.note-card cite { font-size: 0.85rem; color: var(--color-text-secondary); }

/* Editorial Block */
.editorial-row { display: grid; grid-template-columns: 1fr; gap: var(--space-5); margin-bottom: var(--space-6); }
.editorial-inquiry-checklist {
  background-color: var(--color-primary);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  border-radius: var(--radius-md);
}

/* FAQ */
.faq-accordion { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  padding: var(--space-4) 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--color-accent); font-size: 1.5rem; }
.faq-item[open] summary::after { content: '−'; }
.faq-content { padding-bottom: var(--space-4); color: var(--color-text-secondary); font-size: 0.95rem; }

/* Tech Hub */
.tech-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.tech-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.tech-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-normal);
  z-index: 0;
}
.tech-card:hover .tech-card-bg { transform: scale(1.05); }
.tech-card-content {
  position: relative;
  z-index: 1;
  padding: var(--space-4);
  background: linear-gradient(to top, rgba(5,5,5,0.95) 0%, rgba(5,5,5,0.8) 50%, transparent 100%);
}
.tech-card h3 { margin-bottom: var(--space-2); }
.tech-card p { font-size: 0.9rem; margin-bottom: var(--space-3); color: #ddd; }

/* Catalog Layout */
.catalog-layout { display: flex; flex-direction: column; }
.catalog-container { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.catalog-sidebar { display: flex; flex-direction: column; gap: var(--space-5); }
.filter-group h3 { font-size: 1.1rem; margin-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-2); }
.filter-options { display: flex; flex-direction: column; gap: var(--space-2); }
.filter-label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; cursor: pointer; color: var(--color-text-secondary); }
.filter-label input { accent-color: var(--color-accent); }
.catalog-controls { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-4); align-items: flex-start; }
.result-count { font-family: var(--font-heading); font-weight: 600; }
.select-inline { width: auto; min-width: 200px; }

/* Compare Tray */
.compare-tray {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}
.compare-header { display: flex; justify-content: space-between; align-items: center; }
.compare-header h4 { margin: 0; font-size: 1rem; }
.compare-slots { display: flex; gap: var(--space-3); overflow-x: auto; padding-bottom: var(--space-2); }
.compare-slot {
  flex: 0 0 200px;
  background-color: var(--color-primary);
  border: 1px solid var(--color-border);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  position: relative;
}
.compare-slot h5 { font-size: 0.8rem; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.remove-compare { position: absolute; top: 2px; right: 2px; background: none; border: none; color: var(--color-text-secondary); cursor: pointer; }
.compare-actions { display: flex; gap: var(--space-3); }

/* Service Profile */
.profile-hero { position: relative; border-bottom: 1px solid var(--color-border); }
.profile-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: 0;
}
.profile-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-background) 20%, transparent);
}
.profile-hero-content { position: relative; z-index: 1; padding: var(--space-10) var(--space-4); }
.profile-title { font-size: 2.5rem; margin-bottom: var(--space-3); max-width: 800px; }
.profile-short-desc { font-size: 1.2rem; max-width: 600px; color: #ddd; }
.profile-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
.profile-section { margin-bottom: var(--space-6); }
.cadence-box { background-color: var(--color-surface); padding: var(--space-4); border-left: 2px solid var(--color-accent); font-family: var(--font-heading); font-weight: 600; }

/* Contact Forms */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.info-block h3 { border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-2); margin-bottom: var(--space-3); }

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0 var(--space-3);
  margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); margin-bottom: var(--space-6); }
.footer-brand { max-width: 300px; }
.footer-logo { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--color-text-primary); display: block; margin-bottom: var(--space-2); }
.footer-nav h4 { font-size: 1rem; margin-bottom: var(--space-3); }
.footer-nav ul, .footer-legal ul { list-style: none; padding: 0; margin: 0; }
.footer-nav li, .footer-legal li { margin-bottom: var(--space-2); }
.footer-nav a, .footer-legal a { color: var(--color-text-secondary); font-size: 0.9rem; }
.footer-nav a:hover, .footer-legal a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid var(--color-border); padding-top: var(--space-4); text-align: center; font-size: 0.8rem; color: var(--color-text-secondary); }
.footer-bottom p { margin-bottom: var(--space-2); }

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) 0;
  z-index: 1000;
}
.cookie-inner { display: flex; flex-direction: column; gap: var(--space-3); align-items: center; text-align: center; }
.cookie-inner p { margin: 0; font-size: 0.9rem; }

/* Responsive Overrides (Mobile First applied via media queries) */

@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .note-masonry { grid-template-columns: repeat(2, 1fr); }
  .editorial-row { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-controls { flex-direction: row; justify-content: space-between; align-items: center; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .cookie-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 1024px) {
  .burger-menu { display: none; }
  .main-nav { display: block; }
  .main-nav.is-open { position: static; background: none; border: none; padding: 0; }
  .nav-list { flex-direction: row; align-items: center; }
  .header-cta { display: inline-flex; }
  
  .hero-dashboard { grid-template-columns: 1fr 1fr; border-bottom: none; }
  .hero-visual { border-top: none; border-left: 1px solid var(--color-border); }
  .hero-content { padding-left: max(var(--space-4), calc((100vw - 1280px) / 2)); padding-right: var(--space-6); }

  .catalog-container { grid-template-columns: 250px 1fr; }
  .catalog-sidebar { position: sticky; top: 100px; height: max-content; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .role-grid { grid-template-columns: repeat(3, 1fr); }
  .note-masonry { grid-template-columns: repeat(3, 1fr); }
  
  .profile-grid { grid-template-columns: 2fr 1fr; }
  .profile-ledger { position: sticky; top: 100px; }
  
  .contact-grid { grid-template-columns: 3fr 2fr; }
  .compare-tray { flex-direction: row; justify-content: space-between; align-items: center; }
  .compare-slots { flex: 1; padding-bottom: 0; }
}

@media (min-width: 1200px) {
  h1 { font-size: 3.5rem; }
  .hero-title { font-size: 3.5rem; }
}

@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;
  }
}