/* ============================================================
   Lukas Klein Studio — central stylesheet
   Loaded after tokens.css and fonts.css.

   Sections:
     1.  Reset & base
     2.  Layout primitives (container, eyebrow, skip-link)
     3.  Buttons
     4.  Nav (shared + index + legal/404 variants)
     5.  Brand
     6.  Mobile menu (index)
     7.  Hero (index)
     8.  Trust strip (index)
     9.  Section headings
     10. Work grid (index)
     11. Services (index)
     12. Approach (index)
     13. About (index)
     14. CTA (index)
     15. Reveal animation (index)
     16. Page head (legal)
     17. Prose, TOC, iTRK overrides (legal)
     18. Demo banner, contact box, rights grid (legal)
     19. 404 page
     20. Footer (shared)
     21. Responsive
   ============================================================ */


/* ============ 1. Reset & base ============ */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}


/* ============ 2. Layout primitives ============ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
}
.mono { font-family: var(--mono); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
  text-transform: uppercase;
}
.eyebrow .num {
  color: var(--accent);
  font-weight: 600;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 500;
  z-index: 9999;
  font-size: 14px;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease);
}
.skip-link:focus { transform: translateY(0); }


/* ============ 3. Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { background: var(--ink-2); transform: translateY(-1px); }
.btn-ghost {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-2); }
.btn-lg { padding: 13px 20px; font-size: 15px; border-radius: 10px; }
.btn .arrow {
  width: 13px; height: 13px;
  transition: transform var(--dur-fast) var(--ease);
}
.btn:hover .arrow { transform: translate(2px, -2px); }


/* ============ 4. Nav ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 14px 0;
  transition: background var(--dur-fast) var(--ease),
              backdrop-filter var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
/* Sticky variant for legal + 404 (no scroll-toggle, always solid) */
.nav.nav--sticky {
  position: sticky;
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.nav-links a:hover { color: var(--ink); background: var(--bg-alt); }
.nav-cta-group {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  border: 1px solid var(--line);
  background: var(--bg);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.nav-back:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.nav-back svg { width: 12px; height: 12px; }
.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--bg);
}
.badge-live .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green-soft);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
  70%  { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}


/* ============ 5. Brand ============ */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand .mark {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #0A0A0A, #404040);
  color: var(--bg);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand .label {
  color: var(--mute);
  font-weight: 400;
  margin-left: 2px;
}


/* ============ 6. Mobile menu (index) ============ */
.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}
.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
}
.menu-btn span {
  position: relative;
}
.menu-btn span::before,
.menu-btn span::after {
  content: "";
  position: absolute;
  left: 0;
}
.menu-btn span::before { top: -5px; }
.menu-btn span::after  { top: 5px; }
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 60;
  padding: 80px var(--gutter) 40px;
  transform: translateY(-101%);
  transition: transform var(--dur) var(--ease);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu .close {
  position: absolute;
  top: 18px;
  right: var(--gutter);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
}


/* ============ 7. Hero (index) ============ */
.hero {
  padding-top: clamp(110px, 16vh, 160px);
  padding-bottom: clamp(60px, 8vh, 90px);
  position: relative;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(60% 60% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 30%, #000 30%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-eyebrow { margin-bottom: 28px; }
.hero-title {
  font-size: clamp(44px, 7.6vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin: 0 0 28px;
  max-width: 14ch;
}
.hero-title .soft { color: var(--accent); }
.hero-sub {
  max-width: 540px;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.55;
  color: var(--ink-3);
  margin: 0 0 36px;
}
.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-pills {
  margin-top: clamp(50px, 8vh, 90px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.hero-pill {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px 24px;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.hero-pill:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -18px var(--accent-glow);
}
.hero-pill-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.hero-pill-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.04em;
  font-weight: 500;
}
.hero-pill-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--bg-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.hero-pill:hover .hero-pill-icon { background: var(--accent); color: var(--bg); }
.hero-pill-icon svg { width: 14px; height: 14px; }
.hero-pill-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}
.hero-pill-desc {
  font-size: 13.5px;
  color: var(--mute);
  margin: 0;
}


/* ============ 8. Trust strip (index) ============ */
.trust {
  padding: 28px 0;
  border-block: 1px solid var(--line);
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 56px);
  flex-wrap: wrap;
  justify-content: space-between;
}
.trust-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  gap: clamp(20px, 4vw, 48px);
  align-items: center;
  flex-wrap: wrap;
}
.trust-logo {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-3);
  opacity: 0.7;
  transition: opacity var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.trust-logo:hover { opacity: 1; color: var(--ink); }
.trust-logo .sm { font-size: 12px; color: var(--mute); font-weight: 400; margin-left: 4px; }


/* ============ 9. Section headings ============ */
section[data-section] {
  padding-top: clamp(80px, 12vh, 140px);
  padding-bottom: clamp(80px, 12vh, 140px);
  position: relative;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(36px, 5vh, 60px);
  flex-wrap: wrap;
}
.section-head-left { max-width: 720px; }
.section-title {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 14px 0 0;
}
.section-title .soft { color: var(--mute); }
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.section-link:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.section-link svg { width: 12px; height: 12px; transition: transform var(--dur-fast) var(--ease); }
.section-link:hover svg { transform: translate(2px, -2px); }


/* ============ 10. Work grid (index) ============ */
.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.work-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur) var(--ease);
}
.work-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.work-card--static { cursor: default; }
.work-thumb {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
}
.work-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.work-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.work-meta > span:first-child { color: var(--accent); font-weight: 500; }
.work-name {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.work-name .arrow {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.work-card:hover .work-name .arrow {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: rotate(-45deg);
}
.work-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.work-tag {
  font-size: 12px;
  color: var(--mute);
  padding: 4px 9px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* Gradient project mark → hover reveals screenshot */
.project-mark {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 220ms var(--ease);
}
.project-mark .mark-label {
  position: relative;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  z-index: 2;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.mark-amg {
  background:
    radial-gradient(120% 80% at 75% 20%, #84CC16, transparent 55%),
    radial-gradient(110% 70% at 20% 85%, #14532D, transparent 55%),
    linear-gradient(135deg, #052E16, #166534);
}
.mark-automation {
  background:
    radial-gradient(120% 80% at 25% 20%, #0EA5E9, transparent 55%),
    radial-gradient(110% 70% at 80% 85%, #6366F1, transparent 55%),
    linear-gradient(135deg, #0F172A, #1E293B);
}
.mark-mockup.workflow-mockup {
  background: linear-gradient(135deg, #0B1220, #111827);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.workflow-svg { width: 100%; height: 100%; display: block; }
.workflow-svg .flow-line {
  animation: flow-dash 1.2s linear infinite;
}
@keyframes flow-dash {
  to { stroke-dashoffset: -14; }
}
.workflow-svg .wf-node {
  transform-origin: center;
  animation: node-pulse 2.4s ease-in-out infinite;
}
.workflow-svg .wf-node-2 { animation-delay: 0.3s; }
.workflow-svg .wf-node-3 { animation-delay: 0.6s; }
.workflow-svg .wf-node-4 { animation-delay: 0.9s; }
@keyframes node-pulse {
  0%, 100% { opacity: 0.78; }
  50%      { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .workflow-svg .flow-line,
  .workflow-svg .wf-node { animation: none; }
}
.mark-hint {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  backdrop-filter: blur(6px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
  pointer-events: none;
  animation: hintPulse 2.2s ease-in-out infinite;
}
.mark-hint svg { width: 11px; height: 11px; }
@keyframes hintPulse {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-2px); }
}
.work-card:hover .mark-hint { opacity: 0; transform: translateY(4px); }
@media (prefers-reduced-motion: reduce) {
  .mark-hint { animation: none; }
}
.mark-mockup {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity var(--dur) var(--ease), transform 500ms var(--ease);
  background: var(--bg-alt);
}
.mark-mockup picture,
.mark-mockup img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
  transition: transform 700ms var(--ease);
}
.work-card:hover .mark-mockup {
  opacity: 1;
  transform: scale(1);
}
.work-card:hover .project-mark { opacity: 0; }
.work-card:hover .mark-mockup img { transform: scale(1.03); }
@media (hover: none) {
  .project-mark { opacity: 0; }
  .mark-mockup { opacity: 1; transform: scale(1); }
  .mark-hint { display: none; }
}


/* ============ 11. Services (index) ============ */
.services-section { background: var(--bg-alt); }
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.service-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.service-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.service-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.service-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.service-icon svg { width: 18px; height: 18px; }
.service-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 500;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}
.service-card p {
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}
.service-list {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
}
.service-list li svg {
  width: 13px; height: 13px;
  color: var(--ink);
  flex-shrink: 0;
}


/* ============ 12. Approach (index) ============ */
.approach {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease);
}
.step-card:hover { border-color: var(--accent); }
.step-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-num::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.step-card h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
}


/* ============ 13. About (index) ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}
.about-copy h2 {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 14px 0 22px;
}
.about-copy h2 .soft { color: var(--mute); }
.about-copy p {
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 14px;
  max-width: 56ch;
}
.about-side {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.about-side-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.about-avatar {
  width: 56px; height: 56px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0A0A0A, #404040);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.about-side-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.about-side-role {
  font-size: 13px;
  color: var(--mute);
  margin: 2px 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.about-side-role .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.stat .num {
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.stat .lbl {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}


/* ============ 14. CTA (index) ============ */
.cta-section {
  padding: clamp(40px, 6vh, 64px) 0 clamp(60px, 10vh, 100px);
}
.cta-card {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-xl);
  padding: clamp(36px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 80% 20%, rgba(255,255,255,0.06), transparent 60%),
    radial-gradient(40% 60% at 10% 90%, rgba(255,255,255,0.04), transparent 60%);
  pointer-events: none;
}
.cta-card > * { position: relative; z-index: 1; }
.cta-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute-2);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
}
.cta-card h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0;
  max-width: 14ch;
}
.cta-card h2 .soft { color: var(--mute-2); }
.cta-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cta-mail {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.cta-mail:hover { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.24); }
.cta-mail-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cta-mail-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute-2);
}
.cta-mail-addr {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.cta-mail svg {
  width: 14px; height: 14px;
  color: var(--bg);
  transition: transform var(--dur-fast) var(--ease);
}
.cta-mail:hover svg { transform: translate(2px, -2px); }
.cta-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute-2);
}


/* ============ 15. Reveal animation ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"] { transition-delay: 60ms; }
[data-reveal-delay="2"] { transition-delay: 120ms; }
[data-reveal-delay="3"] { transition-delay: 180ms; }
[data-reveal-delay="4"] { transition-delay: 240ms; }


/* ============ 16. Page head (legal) ============ */
.page-head {
  padding: clamp(48px, 8vh, 96px) 0 clamp(28px, 4vh, 44px);
  border-bottom: 1px solid var(--line);
}
.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mute);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-eyebrow .num { color: var(--accent); font-weight: 600; }
.page-title {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 14px;
}
.page-sub {
  font-size: 17px;
  color: var(--mute);
  margin: 0;
  max-width: 60ch;
}


/* ============ 17. Prose, TOC, iTRK (legal) ============ */
.prose-wrap {
  padding-top: clamp(40px, 6vh, 72px);
  padding-bottom: clamp(60px, 10vh, 100px);
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}
.toc {
  position: sticky;
  top: 90px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.toc h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 12px;
  font-weight: 500;
}
.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.toc a {
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--ink-3);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.toc a:hover { background: var(--bg-alt); color: var(--ink); }
.toc a .n {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 500;
  margin-right: 8px;
}
.prose { max-width: 68ch; }
.prose h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 14px;
  padding-top: 8px;
}
.prose h2 .n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-right: 10px;
  vertical-align: middle;
}
.prose h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 24px 0 10px;
}
.prose p, .prose li {
  font-size: 15.5px;
  color: var(--ink-3);
  line-height: 1.7;
  margin: 0 0 14px;
}
.prose ul {
  padding-left: 20px;
  margin: 0 0 14px;
}
.prose ul li { margin-bottom: 4px; }
.prose a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast) var(--ease);
}
.prose a:hover { text-decoration-color: var(--ink); }
.prose section + section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.prose .demo-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mute);
  background: var(--bg-card);
  margin-left: 12px;
  vertical-align: middle;
}

/* iTRK iframe wrapper + style override */
.itrk-legaltext, .itrk-legaltext iframe { width: 100% !important; max-width: 100% !important; display: block; border: 0; }
.itrk-legaltext h1:first-child,
.itrk-legaltext > :first-child h1:first-child { display: none; }
.itrk-legaltext, .itrk-legaltext * {
  font-family: var(--sans) !important;
  color: var(--ink-3) !important;
  background: transparent !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}
.itrk-legaltext h1, .itrk-legaltext h2, .itrk-legaltext h3, .itrk-legaltext h4, .itrk-legaltext strong, .itrk-legaltext b {
  color: var(--ink) !important;
  font-weight: 600 !important;
  letter-spacing: -0.015em !important;
}
.itrk-legaltext h1 { font-size: 32px !important; line-height: 1.15 !important; margin: 32px 0 16px !important; }
.itrk-legaltext h2 { font-size: 22px !important; line-height: 1.2 !important; margin: 28px 0 12px !important; }
.itrk-legaltext h3 { font-size: 17px !important; line-height: 1.3 !important; margin: 22px 0 8px !important; }
.itrk-legaltext h4 { font-size: 15px !important; line-height: 1.3 !important; margin: 18px 0 6px !important; }
.itrk-legaltext p, .itrk-legaltext li, .itrk-legaltext td, .itrk-legaltext span {
  font-size: 15.5px !important;
  line-height: 1.7 !important;
}
.itrk-legaltext p { margin: 0 0 14px !important; }
.itrk-legaltext ul, .itrk-legaltext ol { padding-left: 20px !important; margin: 0 0 14px !important; }
.itrk-legaltext li { margin-bottom: 4px !important; }
.itrk-legaltext a {
  color: var(--ink) !important;
  text-decoration: underline !important;
  text-decoration-color: var(--line-strong) !important;
  text-underline-offset: 3px !important;
}
.itrk-legaltext a:hover { text-decoration-color: var(--ink) !important; }
.itrk-legaltext hr { border: 0 !important; border-top: 1px solid var(--line) !important; margin: 28px 0 !important; }
.itrk-legaltext table { border-collapse: collapse !important; width: 100% !important; }
.itrk-legaltext th, .itrk-legaltext td { border: 1px solid var(--line) !important; padding: 8px 10px !important; text-align: left !important; }
.itrk-legaltext img { max-width: 100% !important; height: auto !important; }


/* ============ 18. Demo banner, contact box, rights grid (legal) ============ */
.demo-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  margin-bottom: 32px;
  background: #FEF3C7;
  border: 1px solid #FCD34D;
  border-radius: var(--radius);
  font-size: 14px;
  color: #78350F;
}
.demo-banner strong { font-weight: 600; }
.demo-banner svg { width: 16px; height: 16px; flex-shrink: 0; }
.contact-box {
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 16px 0;
}
.contact-box p { margin: 0 0 4px; font-size: 14.5px; color: var(--ink); }
.contact-box p:last-child { margin: 0; }
.contact-box .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  margin-right: 8px;
}
.rights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 14px 0;
}
.rights-grid li {
  list-style: none;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
}
.rights-grid li .lbl {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 2px;
}


/* ============ 19. 404 page ============ */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(50% 60% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(50% 60% at 50% 40%, #000 30%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}
.page-404 main {
  display: grid;
  place-items: center;
  padding: clamp(40px, 8vh, 100px) 0;
  position: relative;
}
.four-oh-four {
  text-align: center;
  position: relative;
  max-width: 640px;
  padding: 0 var(--gutter);
}
.four-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  margin-bottom: 32px;
}
.four-meta .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #EF4444;
}
.four-num {
  font-size: clamp(120px, 22vw, 240px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.9;
  margin: 0 0 24px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink) 45%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.four-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.four-sub {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0 0 36px;
  max-width: 44ch;
  margin-inline: auto;
}
.four-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}


/* ============ 20. Footer (shared) ============ */
.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.footer-brand-row {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 360px;
}
.footer-brand-row .brand { font-size: 18px; }
.footer-brand-row p {
  font-size: 14px;
  color: var(--mute);
  margin: 0;
  line-height: 1.55;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin: 0 0 14px;
  font-weight: 500;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col a {
  font-size: 14px;
  color: var(--ink-3);
  transition: color var(--dur-fast) var(--ease);
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}

/* Compact footer (404) */
.footer--compact {
  padding: 28px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.footer--compact .footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer--compact .footer-row a:hover { color: var(--ink); }


/* ============ 21. Responsive ============ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .nav-cta-group .btn { display: none; }

  .hero-pills { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }
  .approach { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand-row { grid-column: span 2; }

  .prose-wrap { grid-template-columns: 1fr; }
  .toc { position: static; }
}
@media (max-width: 560px) {
  .approach { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand-row { grid-column: span 2; max-width: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .trust-inner { gap: 14px; flex-direction: column; align-items: flex-start; }
  .trust-logos { flex-direction: column; align-items: flex-start; gap: 10px; }
  .rights-grid { grid-template-columns: 1fr; }
  .four-actions { flex-direction: column; }
  .footer--compact .footer-row { flex-direction: column; align-items: flex-start; }
}