/* =========================================================
   4its GmbH — Premium IT (Dark)
   Color system derived from 4ITS logo
   ========================================================= */

:root {
  /* Brand */
  --brand-navy: #14284B;
  --brand-navy-2: #1B3360;
  --brand-orange: #E89B3C;
  --brand-sky: #7FB9DC;
  --brand-cyan: #3FA4C9;
  --brand-green: #6FB85A;
  --brand-slate: #5A6B89;

  /* Dark theme (default) */
  --bg: #0A1020;
  --bg-2: #0E1628;
  --surface: #131C33;
  --surface-2: #1A2540;
  --border: #223055;
  --border-soft: #1A2540;
  --fg: #E8ECF4;
  --fg-muted: #97A3BE;
  --fg-dim: #6B7897;
  --accent: var(--brand-cyan);
  --accent-2: var(--brand-orange);
  --grid: rgba(127, 185, 220, 0.05);
  --grid-strong: rgba(127, 185, 220, 0.09);
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}

[data-theme="light"] {
  --bg: #F5F6F9;
  --bg-2: #ECEFF5;
  --surface: #FFFFFF;
  --surface-2: #F5F6F9;
  --border: #D9DEE8;
  --border-soft: #E5E9F0;
  --fg: #14284B;
  --fg-muted: #4A5777;
  --fg-dim: #7B8AA8;
  --accent: var(--brand-navy);
  --accent-2: var(--brand-orange);
  --grid: rgba(20, 40, 75, 0.04);
  --grid-strong: rgba(20, 40, 75, 0.07);
  --shadow: 0 20px 60px -20px rgba(20,40,75,0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

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

.mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-feature-settings: 'ss02';
  letter-spacing: 0.02em;
}

/* =========================================================
   Layout primitives
   ========================================================= */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

.section {
  position: relative;
  padding: 120px 0;
}
@media (max-width: 900px) {
  .section { padding: 72px 0; }
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

h1 { font-size: clamp(44px, 6vw, 88px); letter-spacing: -0.03em; }
h2 { font-size: clamp(32px, 4vw, 56px); letter-spacing: -0.025em; }
h3 { font-size: clamp(20px, 2vw, 26px); }
h4 { font-size: 18px; }

p { line-height: 1.55; color: var(--fg-muted); margin: 0; }

/* =========================================================
   Navigation
   ========================================================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
}
.nav-logo img {
  height: 28px;
  width: auto;
  display: block;
}
.nav-logo .gmbh {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover { color: var(--fg); background: var(--surface); }
.nav-link.active { color: var(--fg); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
}

.nav-link.has-submenu { padding-right: 26px; }
.nav-link.has-submenu::before {
  content: '';
  position: absolute;
  right: 12px; top: 50%;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-70%) rotate(45deg);
  opacity: 0.6;
}

.submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s;
}
.nav-link-wrap { position: relative; }
.nav-link-wrap:hover .submenu,
.nav-link-wrap:focus-within .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.submenu-item {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg);
  transition: background 0.1s;
}
.submenu-item:hover { background: var(--surface-2); }
.submenu-item .desc {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-phone {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--fg-muted);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-phone:hover { color: var(--fg); border-color: var(--accent); }
.nav-phone::before {
  content: '●';
  color: var(--brand-green);
  margin-right: 8px;
  font-size: 10px;
}

.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  transition: all 0.15s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--accent); }

.mobile-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  align-items: center;
  justify-content: center;
}
.mobile-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--fg);
  position: relative;
}
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: '';
  position: absolute;
  left: 0; width: 18px; height: 1.5px;
  background: var(--fg);
  transition: transform 0.2s;
}
.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }
.mobile-toggle.open span { background: transparent; }
.mobile-toggle.open span::before { top: 0; transform: rotate(45deg); }
.mobile-toggle.open span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 1200px) {
  .nav-phone { display: none; }
}
@media (max-width: 1140px) {
  .nav-links, .nav-phone { display: none; }
  .mobile-toggle { display: inline-flex; }
}

.mobile-menu {
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--bg);
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-link {
  display: block;
  padding: 16px 0;
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  border-bottom: 1px solid var(--border-soft);
  cursor: pointer;
}
.mobile-menu-link:hover { color: var(--accent); }
.mobile-menu-link .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  margin-right: 16px;
}
.mobile-cta {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: all 0.15s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent); color: #fff; }
[data-theme="light"] .btn-primary:hover { color: #fff; }
.btn-ghost {
  border-color: var(--border);
  color: var(--fg);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { filter: brightness(1.1); }
.btn svg { width: 14px; height: 14px; }

/* =========================================================
   Hero grid background
   ========================================================= */

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  padding: 80px 0 120px;
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
}
.status-pill .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-green);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-green) 25%, transparent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  max-width: 16ch;
  margin-bottom: 32px;
}
.hero h1 .accent { color: var(--accent); }
.hero h1 .chip {
  display: inline-block;
  padding: 0 16px;
  margin: 0 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85em;
  font-weight: 500;
  vertical-align: middle;
  color: var(--fg-muted);
}

.hero-lead {
  font-size: 18px;
  max-width: 52ch;
  line-height: 1.55;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid var(--border-soft);
  padding-top: 40px;
  max-width: 900px;
}
@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
.stat-num {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  line-height: 1;
}
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-top: 8px;
}

/* Hero visual — abstract geometric mark inspired by logo */
.hero-mark {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 560px;
  height: 560px;
  pointer-events: none;
  opacity: 0.9;
  z-index: 1;
}
@media (max-width: 1100px) {
  .hero-mark { display: none; }
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 4px;
  width: 100%; height: 100%;
}
.tile {
  position: relative;
  background: var(--surface);
  overflow: hidden;
  border-radius: 2px;
}
.tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 49.7%, var(--tile-color, var(--surface-2)) 50%);
}
.tile-a { --tile-color: var(--brand-orange); }
.tile-b { --tile-color: var(--brand-sky); }
.tile-c { --tile-color: var(--brand-navy); }
.tile-d { --tile-color: var(--brand-cyan); }
.tile-e { --tile-color: var(--brand-slate); }
.tile-f { --tile-color: var(--brand-green); }
.tile-g { --tile-color: transparent; opacity: 0.4; }

/* =========================================================
   Card grids (services / products)
   ========================================================= */

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.section-head .left { max-width: 640px; }
.section-head h2 { margin: 16px 0 12px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  overflow: hidden;
}
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s;
  cursor: pointer;
  min-height: 260px;
  display: flex;
  flex-direction: column;
}
.card:hover { background: var(--surface); }
.card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 14px; line-height: 1.6; }
.card-link {
  margin-top: auto;
  padding-top: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s, gap 0.15s;
}
.card:hover .card-link { color: var(--accent); gap: 12px; }
.card-icon {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

/* =========================================================
   Product showcase (Ungana)
   ========================================================= */

.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
}
@media (max-width: 900px) {
  .showcase { grid-template-columns: 1fr; padding: 32px; }
}
.showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  background: color-mix(in oklab, var(--accent) 15%, transparent);
  color: var(--accent);
  margin-bottom: 20px;
}
.showcase h3 { font-size: 36px; margin-bottom: 16px; letter-spacing: -0.02em; }
.showcase ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: grid;
  gap: 12px;
}
.showcase ul li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--fg-muted);
}
.showcase ul li::before {
  content: '';
  flex-shrink: 0;
  width: 16px; height: 16px;
  background: var(--accent);
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8l3 3 7-7' stroke='black' stroke-width='2' fill='none'/></svg>") no-repeat center;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8l3 3 7-7' stroke='black' stroke-width='2' fill='none'/></svg>") no-repeat center;
  margin-top: 3px;
}

.showcase-visual {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 16px;
}

/* =========================================================
   Tabs
   ========================================================= */

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.tab {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.15s;
  white-space: nowrap;
}
.tab:hover { color: var(--fg); }
.tab.active { color: var(--fg); border-color: var(--accent); }

.tab-panel {
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Form
   ========================================================= */

.form-grid {
  display: grid;
  gap: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field input, .field textarea, .field select {
  font: inherit;
  font-size: 15px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}
.field textarea { resize: vertical; min-height: 120px; }
.field.error input, .field.error textarea { border-color: #EB6B5C; }
.field-error {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #EB6B5C;
  margin-top: 2px;
  display: none;
}
.field.error .field-error { display: block; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.checkbox-row input { margin-top: 4px; accent-color: var(--accent); }

.form-success {
  padding: 32px;
  border: 1px solid var(--brand-green);
  background: color-mix(in oklab, var(--brand-green) 10%, transparent);
  border-radius: 12px;
  text-align: center;
}
.form-success h3 { color: var(--fg); margin-bottom: 8px; }

/* =========================================================
   Blog
   ========================================================= */

.blog-list {
  display: grid;
  gap: 1px;
  background: var(--border-soft);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.blog-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 32px;
  padding: 28px 0;
  background: var(--bg);
  align-items: center;
  cursor: pointer;
  transition: padding 0.2s;
}
.blog-item:hover { padding-left: 16px; padding-right: 16px; }
.blog-item:hover h4 { color: var(--accent); }
.blog-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}
.blog-item h4 {
  font-size: 20px;
  font-weight: 500;
  transition: color 0.15s;
}
.blog-item p {
  font-size: 13px;
  margin-top: 6px;
  max-width: 62ch;
}
.blog-arrow {
  color: var(--fg-dim);
  transition: transform 0.2s;
}
.blog-item:hover .blog-arrow { transform: translateX(4px); color: var(--accent); }
@media (max-width: 720px) {
  .blog-item { grid-template-columns: 1fr; gap: 8px; }
  .blog-arrow { display: none; }
}

/* =========================================================
   Jobs
   ========================================================= */

.job-card {
  padding: 32px;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.job-card:hover { border-color: var(--accent); background: var(--surface); }
.job-card + .job-card { margin-top: 12px; }
.job-tags { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 4px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}
@media (max-width: 600px) {
  .job-card { grid-template-columns: 1fr; }
}

/* =========================================================
   CTA banner
   ========================================================= */

.cta-banner {
  position: relative;
  padding: 80px 48px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 20% 30%, color-mix(in oklab, var(--brand-cyan) 20%, transparent), transparent 50%),
    radial-gradient(circle at 80% 70%, color-mix(in oklab, var(--brand-orange) 15%, transparent), transparent 50%),
    var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  text-align: center;
}
.cta-banner h2 { margin-bottom: 16px; }
.cta-banner .hero-cta { justify-content: center; margin: 32px 0 0; }
@media (max-width: 720px) {
  .cta-banner { padding: 48px 24px; }
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--border-soft);
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { color: var(--fg-muted); font-size: 14px; transition: color 0.15s; }
.footer a:hover { color: var(--fg); }
.tv-card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  color: var(--fg) !important;
  transition: all 0.2s;
  display: block;
}
.tv-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.footer-brand img { height: 28px; margin-bottom: 20px; }
.footer-brand p { font-size: 13px; max-width: 36ch; }
.footer-tv {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--fg-muted) !important;
  transition: all 0.15s;
}
.footer-tv:hover {
  border-color: var(--accent);
  color: var(--fg) !important;
  background: var(--surface);
}
.footer-tv svg { margin-left: auto; opacity: 0.6; }
.footer-tv:hover svg { opacity: 1; transform: translateX(2px); }
.footer-tv-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-2, #3FB950);
  box-shadow: 0 0 8px var(--color-accent-2, #3FB950);
  flex-shrink: 0;
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom a { font-size: 11px; }

/* =========================================================
   Page transition
   ========================================================= */

.page {
  animation: pageIn 0.35s ease;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Subpage header
   ========================================================= */

.page-header {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}
.page-header .eyebrow { margin-bottom: 20px; }
.page-header h1 { font-size: clamp(36px, 5vw, 68px); max-width: 20ch; margin-bottom: 20px; }
.page-header p { font-size: 17px; max-width: 56ch; }
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--fg-dim); }
.breadcrumb .sep { margin: 0 8px; opacity: 0.5; }

/* =========================================================
   About / Timeline
   ========================================================= */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

.timeline {
  display: grid;
  gap: 0;
  position: relative;
}
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--border-soft);
}
.timeline-item:first-child { border-top: none; padding-top: 0; }
.timeline-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
}
.timeline-item h4 { margin-bottom: 8px; }
.timeline-item p { font-size: 14px; }

.team-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 720px) { .team-list { grid-template-columns: repeat(2, 1fr); } }
.team-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}
.team-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--brand-navy), var(--brand-cyan));
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.team-card h4 { font-size: 16px; margin-bottom: 4px; }
.team-card p { font-size: 13px; }

/* Pillar cards (About page) */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .pillar-grid { grid-template-columns: 1fr; } }
.pillar-card {
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  position: relative;
  transition: all 0.2s;
}
.pillar-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.pillar-num {
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.pillar-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.pillar-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Consulting steps */
.consulting-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
@media (max-width: 900px) { .consulting-steps { grid-template-columns: 1fr; } }
.consulting-step {
  padding: 28px 24px;
  border: 1px dashed var(--border);
  border-radius: 12px;
}
.consulting-step-num {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg, #fff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.consulting-step h4 {
  font-size: 17px;
  margin-bottom: 8px;
}
.consulting-step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Claim banner */
.claim-banner {
  padding: 56px 48px;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2, var(--surface)) 100%);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.claim-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 30%, var(--accent) 0%, transparent 50%);
  opacity: 0.08;
  pointer-events: none;
}
.claim-banner > * { position: relative; }
@media (max-width: 640px) { .claim-banner { padding: 40px 28px; } .claim-banner h2 { font-size: 32px !important; } }

/* =========================================================
   Rechenzentrum / specs
   ========================================================= */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 900px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }
.spec-item {
  background: var(--bg);
  padding: 24px;
}
.spec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.spec-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.spec-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: 4px;
}

/* =========================================================
   Tweaks panel
   ========================================================= */

.tweaks-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow);
  z-index: 500;
  display: none;
  font-size: 13px;
}
.tweaks-panel.open { display: block; }
.tweaks-panel h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 12px;
  color: var(--fg-muted);
}
.tweaks-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--border-soft);
}
.tweaks-row:first-of-type { border-top: none; }
.swatch-row { display: flex; gap: 6px; }
.swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s;
}
.swatch:hover { transform: scale(1.1); }
.swatch.active { border-color: var(--fg); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* Utility */
.text-accent { color: var(--accent); }
.text-muted { color: var(--fg-muted); }
.mb-24 { margin-bottom: 24px; }
.mb-48 { margin-bottom: 48px; }