/* OEG Homepage — modern industrial styling on top of the design system tokens */

* { box-sizing: border-box; }
html, body, #root { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--fg-1);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
img { display: block; max-width: 100%; }

:root {
  --page-max: 1280px;
  --page-gutter: 32px;
  --hairline: 1px solid var(--border-subtle);
  --hairline-strong: 1px solid var(--steel-300);
  --hairline-inverse: 1px solid rgba(255,255,255,0.10);
}

/* ============================================================
   Dark mode — invert surfaces; brand stays consistent
   ============================================================ */
body[data-theme="dark"] {
  --bg-canvas:      #0a0f1e;
  --bg-surface:     #11182e;
  --bg-surface-alt: #1a2240;
  --bg-sunken:      #08111c;
  --fg-1: #f2f5fb;
  --fg-2: #b8c3d8;
  --fg-3: #7e8aa6;
  --fg-4: #4b5775;
  --border-subtle: rgba(255,255,255,0.08);
  --border-default: rgba(255,255,255,0.16);
  --border-strong: rgba(255,255,255,0.32);
  --hairline: 1px solid rgba(255,255,255,0.08);
  --hairline-strong: 1px solid rgba(255,255,255,0.16);
  color-scheme: dark;
}
body[data-theme="dark"] .invert-on-dark { background: var(--navy-900) !important; }
body[data-theme="dark"] .card { background: var(--bg-surface); border-color: var(--border-subtle); }
body[data-theme="dark"] .logo-light { display: none; }
body[data-theme="dark"] .logo-dark { display: block; }
.logo-dark { display: none; }

/* ============================================================
   Page container + horizontal rails
   ============================================================ */
.shell {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  position: relative;
}
.shell.bleed { max-width: none; padding: 0; }

.rails {
  position: relative;
}
.rails::before, .rails::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border-subtle);
  pointer-events: none;
}
.rails::before { left: var(--page-gutter); }
.rails::after { right: var(--page-gutter); }

/* ============================================================
   Top navigation
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: 64px;
  background: color-mix(in srgb, var(--bg-canvas) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--hairline);
}
.nav-inner {
  height: 100%;
  display: flex; align-items: center; gap: 32px;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-brand img { height: 30px; width: auto; }
.nav-brand .logo-dark { display: none; }
body[data-theme="dark"] .nav-brand .logo-light { display: none; }
body[data-theme="dark"] .nav-brand .logo-dark  { display: block; }

/* Training nav dropdown */
.nav-dropdown-wrap { position: relative; }
.nav-link-dropdown { display: inline-flex; align-items: center; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--bg-surface);
  border: var(--hairline-strong);
  border-radius: 8px;
  box-shadow: var(--shadow-xl);
  padding: 8px 0;
  z-index: 200;
}
.nav-dropdown-label {
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 6px 16px 10px;
  border-bottom: var(--hairline);
  margin-bottom: 4px;
}
.nav-dropdown-item {
  display: block;
  padding: 8px 16px;
  font: 500 13px/1.2 var(--font-body);
  color: var(--fg-2);
  transition: color 140ms, background 140ms;
}
.nav-dropdown-item:hover { color: var(--fg-1); background: var(--bg-surface-alt); }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 16px; }
.nav-link {
  padding: 8px 12px;
  font: 500 13px/1 var(--font-body);
  color: var(--fg-2);
  border-radius: 6px;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}
.nav-link:hover { color: var(--fg-1); background: var(--bg-surface-alt); }
.nav-link.active { color: var(--fg-1); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav-meta {
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.05em;
  padding-right: 12px;
  border-right: var(--hairline);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 16px;
  font: 600 13px/1 var(--font-body);
  letter-spacing: 0.01em;
  border-radius: 4px;
  transition: all 180ms var(--ease-out);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary { background: var(--brand); color: var(--white); }
.btn-primary:hover { background: var(--brand-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: transparent; color: var(--fg-1);
  border-color: var(--border-default);
}
.btn-secondary:hover { border-color: var(--brand); color: var(--brand); }
body[data-theme="dark"] .btn-secondary:hover { border-color: var(--fg-1); color: var(--fg-1); }
.btn-ghost { color: var(--fg-2); padding: 0 12px; }
.btn-ghost:hover { color: var(--fg-1); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-hover); }
.btn-inverse { background: var(--white); color: var(--navy-900); }
.btn-inverse:hover { background: #f0f2f7; }
.btn-large { height: 46px; padding: 0 22px; font-size: 14px; }

/* ============================================================
   Type utilities
   ============================================================ */
.eyebrow {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 1px; }
.eyebrow .num { color: var(--accent); }

.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 0.98;
  color: var(--fg-1);
  text-wrap: balance;
}
.display .accent { color: var(--accent); }
.display .muted { color: var(--fg-3); }

.lead {
  font: 400 19px/1.55 var(--font-body);
  color: var(--fg-2);
  text-wrap: pretty;
  max-width: 56ch;
}

.meta-label {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.kbd {
  font: 500 11px/1 var(--font-mono);
  padding: 3px 6px;
  border: 1px solid var(--border-default);
  border-radius: 3px;
  color: var(--fg-2);
  background: var(--bg-surface);
}

/* ============================================================
   Section frame
   ============================================================ */
.section {
  border-top: var(--hairline);
  padding: 96px 0;
  position: relative;
}
.section-tight { padding: 64px 0; }
.section-hero { padding: 80px 0 96px; border-top: 0; }

.section-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  margin-bottom: 56px;
  align-items: end;
}
.section-head .index {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.section-head .index .num { color: var(--accent); margin-right: 8px; }
.section-head h2 {
  margin: 0;
  font: 600 clamp(2rem, 3.2vw, 3rem)/1.05 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  text-wrap: balance;
}

/* ============================================================
   Hero — variant 1: bold statement + product screenshot
   ============================================================ */
.hero {
  position: relative;
  padding-top: 56px;
  padding-bottom: 64px;
}
.hero-iso {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(115deg, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(65deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
  opacity: 0.6;
}

.hero-meta-row {
  display: flex; align-items: center;
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  gap: 16px;
}
.hero-meta-row .pulse {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--fg-2);
}
.hero-meta-row .pulse::before {
  content: ""; width: 7px; height: 7px; border-radius: 99px;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(22, 163, 90, 0.15);
}
.hero-meta-row .sep { color: var(--fg-4); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  position: relative;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--fg-1);
  text-wrap: balance;
  margin: 0 0 28px;
}
.hero-title .lof { font-weight: 300; font-style: italic; color: var(--fg-3); }
.hero-title .br { display: block; }
.hero-title .underline-mark {
  display: inline-block;
  position: relative;
  padding-bottom: 4px;
}
.hero-title .underline-mark::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px; height: 3px;
  background: var(--accent);
}

.hero-lead {
  font: 400 19px/1.6 var(--font-body);
  color: var(--fg-2);
  max-width: 52ch;
  margin-bottom: 36px;
  text-wrap: pretty;
}

.hero-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 40px; }

.hero-bullets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--hairline);
  padding-top: 24px;
}
.hero-bullets .item { padding-right: 16px; }
.hero-bullets .k {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}
.hero-bullets .v { font: 500 14px/1.4 var(--font-body); color: var(--fg-1); }

/* Hero product screenshot panel */
.hero-screen {
  position: relative;
  background: var(--bg-surface);
  border: var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-screen::before {
  content: "";
  position: absolute; top: -1px; left: -1px; right: -1px; height: 32px;
  background: var(--bg-surface-alt);
  border-bottom: var(--hairline);
}
.hero-screen .winchrome {
  position: absolute; top: 0; left: 0; right: 0;
  height: 32px;
  display: flex; align-items: center;
  padding: 0 12px;
  z-index: 2;
}
.hero-screen .winchrome .dots { display: flex; gap: 6px; }
.hero-screen .winchrome .dots i {
  width: 9px; height: 9px; border-radius: 99px;
  background: var(--steel-300);
}
body[data-theme="dark"] .hero-screen .winchrome .dots i { background: rgba(255,255,255,0.18); }
.hero-screen .winchrome .url {
  flex: 1; text-align: center;
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.hero-screen-body { padding: 32px 0 0; min-height: 480px; }

/* Floating annotation chip */
.hero-annot {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-surface);
  border: var(--hairline-strong);
  border-radius: 6px;
  padding: 8px 12px 8px 10px;
  box-shadow: var(--shadow-lg);
  font: 500 12px/1.2 var(--font-body);
  color: var(--fg-1);
  z-index: 4;
}
.hero-annot::before {
  content: ""; display: block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 1px;
  flex: none;
}
.hero-annot .num { font: 600 10px/1 var(--font-mono); color: var(--fg-3); letter-spacing: 0.1em; }
.hero-annot.a1 { top: 80px; left: -32px; }
.hero-annot.a2 { bottom: 120px; right: -36px; }

/* ============================================================
   Hero — variant 2: split studio | library
   ============================================================ */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 620px;
  margin-top: -1px;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}
.hero-split > div {
  padding: 64px 48px;
  position: relative;
  display: flex; flex-direction: column;
  justify-content: space-between;
}
.hero-split .side-studio {
  background: var(--navy-900);
  color: var(--white);
}
.hero-split .side-studio .iso-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-split .side-library { background: var(--bg-surface); border-left: var(--hairline); }
.hero-split .side-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 24px 0;
  position: relative;
}
.hero-split .side-studio .side-headline { color: var(--white); }
.hero-split .side-eyebrow {
  position: relative;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.hero-split .side-studio .side-eyebrow { color: rgba(255,255,255,0.6); }
.hero-split .side-library .side-eyebrow { color: var(--accent); }
.hero-split .side-eyebrow .code {
  padding: 3px 7px; border: 1px solid currentColor; border-radius: 2px;
  font-size: 9px;
}
.hero-split .side-lead {
  position: relative;
  font: 400 16px/1.55 var(--font-body);
  max-width: 38ch;
  margin-bottom: 32px;
}
.hero-split .side-studio .side-lead { color: rgba(255,255,255,0.75); }
.hero-split .side-library .side-lead { color: var(--fg-2); }
.hero-split .side-link {
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 13px/1 var(--font-body);
  letter-spacing: 0.02em;
  border-top: 1px solid currentColor;
  padding-top: 18px;
  align-self: flex-start;
}
.hero-split .side-studio .side-link { color: var(--white); }
.hero-split .side-library .side-link { color: var(--fg-1); }
.hero-split .side-link svg { transition: transform 200ms var(--ease-out); }
.hero-split .side-link:hover svg { transform: translateX(4px); }

.hero-split .render-placeholder {
  position: relative;
  margin-top: 32px;
  aspect-ratio: 16/10;
  border: 1px solid rgba(255,255,255,0.14);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
}
.hero-split .render-placeholder .ph-label {
  font: 500 10px/1 var(--font-mono); letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
}
.hero-split .render-placeholder .corner {
  position: absolute; width: 10px; height: 10px;
  border: 1px solid rgba(255,255,255,0.3);
}
.hero-split .render-placeholder .corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hero-split .render-placeholder .corner.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.hero-split .render-placeholder .corner.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.hero-split .render-placeholder .corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.hero-split .ui-preview {
  position: relative;
  margin-top: 24px;
  background: var(--bg-surface-alt);
  border: var(--hairline);
  border-radius: 4px;
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.hero-split .ui-preview .tile {
  background: var(--bg-surface);
  border: var(--hairline);
  border-radius: 2px;
  padding: 10px 12px;
}
.hero-split .ui-preview .tile .l {
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-3);
}
.hero-split .ui-preview .tile .v {
  font: 600 20px/1 var(--font-display);
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
  letter-spacing: -0.01em;
}
.hero-split .ui-preview .tile .v .d { color: var(--success-700); font: 600 11px/1 var(--font-mono); margin-left: 6px; }

/* ============================================================
   Hero — variant 3: isometric cube centerpiece
   ============================================================ */
.hero-cube {
  position: relative;
  padding: 96px 0 80px;
  text-align: center;
  overflow: hidden;
}
.hero-cube .grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(65deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 70%);
}
.hero-cube .cube-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  margin: 40px auto;
  width: 280px; height: 280px;
}
.hero-cube .cube-wrap img {
  width: 100%; height: 100%;
  filter: drop-shadow(0 30px 60px rgba(16, 26, 61, 0.30));
  animation: cube-float 8s ease-in-out infinite;
}
@keyframes cube-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
body[data-theme="dark"] .hero-cube .cube-wrap img {
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.6)) brightness(1.4);
}
.hero-cube .cube-ring {
  position: absolute;
  inset: -60px;
  border: 1px dashed var(--border-default);
  border-radius: 99px;
  animation: ring-rotate 60s linear infinite;
}
@keyframes ring-rotate {
  to { transform: rotate(360deg); }
}
.hero-cube .cube-ring::before {
  content: ""; position: absolute;
  top: -4px; left: 50%; transform: translateX(-50%);
  width: 8px; height: 8px; background: var(--accent);
  border-radius: 1px;
}
.hero-cube h1 {
  position: relative;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0 auto 24px;
  max-width: 18ch;
  color: var(--fg-1);
}
.hero-cube p {
  position: relative;
  font: 400 19px/1.55 var(--font-body);
  color: var(--fg-2);
  max-width: 56ch;
  margin: 0 auto 36px;
}
.hero-cube .actions { position: relative; display: flex; justify-content: center; gap: 12px; }
.hero-cube .ticker {
  position: relative;
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}
.hero-cube .ticker .cell {
  padding: 24px 20px;
  border-right: var(--hairline);
  text-align: left;
}
.hero-cube .ticker .cell:last-child { border-right: 0; }
.hero-cube .ticker .lbl {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
}
.hero-cube .ticker .val {
  font: 600 32px/1 var(--font-display);
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.hero-cube .ticker .val .u {
  font: 500 14px/1 var(--font-body);
  color: var(--fg-3);
  margin-left: 4px;
  letter-spacing: 0;
}

/* ============================================================
   Customer logo strip
   ============================================================ */
.logos {
  padding: 36px 0;
  border-top: var(--hairline);
}
.logos-inner {
  display: flex; align-items: center; gap: 48px;
}
.logos-label {
  font: 600 10px/1.4 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  max-width: 14ch;
  flex: none;
  border-right: var(--hairline);
  padding-right: 32px;
  align-self: stretch;
  display: flex; align-items: center;
}
.logos-list {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 24px;
  align-items: center;
}
.logo-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg-3);
  letter-spacing: -0.01em;
  opacity: 0.85;
  transition: color 200ms;
  white-space: nowrap;
}
.logo-mark:hover { color: var(--fg-1); }
.logo-mark.lc { font-variant-caps: small-caps; letter-spacing: 0.04em; }
.logo-mark.sm { font-size: 14px; }

/* ============================================================
   Two-halves: studio + library
   ============================================================ */
.halves {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 8px;
}
.half {
  position: relative;
  padding: 40px;
  border: var(--hairline);
  border-radius: 12px;
  background: var(--bg-surface);
  min-height: 540px;
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: border-color 200ms, transform 200ms;
}
.half:hover { border-color: var(--steel-400); }
.half .half-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.half .half-code {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--fg-3);
}
.half h3 {
  font: 600 36px/1.05 var(--font-display);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--fg-1);
}
.half p {
  font: 400 15px/1.55 var(--font-body);
  color: var(--fg-2);
  margin: 0 0 28px;
  max-width: 44ch;
}
.half .feats {
  display: flex; flex-direction: column;
  border-top: var(--hairline);
}
.half .feat {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: var(--hairline);
  font: 500 14px/1.4 var(--font-body);
  color: var(--fg-1);
}
.half .feat .idx {
  font: 600 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.05em;
}
.half .feat .dur {
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.05em;
}
.half .half-foot {
  margin-top: auto;
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.half .half-foot a {
  font: 600 13px/1 var(--font-body);
  color: var(--fg-1);
  display: inline-flex; align-items: center; gap: 8px;
}
.half .half-foot a svg { transition: transform 200ms var(--ease-out); }
.half .half-foot a:hover svg { transform: translateX(4px); }

.half.studio {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-800);
}
.half.studio .iso {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 80%, transparent 100%);
}
.half.studio .half-code { color: rgba(255,255,255,0.5); }
.half.studio h3 { color: var(--white); }
.half.studio p { color: rgba(255,255,255,0.7); }
.half.studio .feats { border-color: rgba(255,255,255,0.12); }
.half.studio .feat { color: var(--white); border-color: rgba(255,255,255,0.10); }
.half.studio .feat .idx, .half.studio .feat .dur { color: rgba(255,255,255,0.5); }
.half.studio .half-foot a { color: var(--white); }

.half .half-thumb {
  position: relative;
  aspect-ratio: 16/9;
  border: 1px solid rgba(255,255,255,0.14);
  margin-bottom: 28px;
  display: flex; align-items: center; justify-content: center;
  font: 500 10px/1.4 var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.half .half-thumb .corner {
  position: absolute; width: 8px; height: 8px;
  border: 1px solid rgba(255,255,255,0.3);
}
.half .half-thumb .corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.half .half-thumb .corner.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.half .half-thumb .corner.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.half .half-thumb .corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* Light-half ui mock */
.half.library .lib-mock {
  margin-bottom: 28px;
  border: var(--hairline);
  background: var(--bg-canvas);
  border-radius: 6px;
  overflow: hidden;
}
.half.library .lib-mock .row {
  display: grid; grid-template-columns: 1fr 80px 60px 50px;
  gap: 12px; align-items: center;
  padding: 10px 14px;
  border-bottom: var(--hairline);
  font: 500 12px/1.2 var(--font-body); color: var(--fg-1);
}
.half.library .lib-mock .row:last-child { border-bottom: 0; }
.half.library .lib-mock .row.head {
  background: var(--bg-surface-alt);
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 8px 14px;
}
.half.library .lib-mock .row .pill {
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.08em;
  padding: 3px 6px;
  border-radius: 2px;
  background: var(--navy-50);
  color: var(--navy-800);
  text-align: center;
}
.half.library .lib-mock .row .num {
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-2);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
body[data-theme="dark"] .half.library .lib-mock .row .pill {
  background: rgba(255,255,255,0.08);
  color: var(--navy-200);
}

/* ============================================================
   Hero video section (section 01)
   ============================================================ */
.hero-video-section { background: var(--bg-base); }

.hero-video-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--navy-950);
  box-shadow: 0 4px 40px rgba(0,0,0,0.18);
}

.hero-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
}

/* ============================================================
   Product tour
   ============================================================ */
.tour {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}
.tour-nav {
  display: flex; flex-direction: column;
  border-left: 2px solid var(--border-subtle);
  position: sticky; top: 96px;
  align-self: start;
}
.tour-step {
  padding: 22px 28px;
  border-left: 2px solid transparent;
  margin-left: -2px;
  cursor: pointer;
  transition: all 200ms var(--ease-out);
}
.tour-step.active { border-left-color: var(--accent); }
.tour-step .num {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  color: var(--fg-3);
  margin-bottom: 8px;
  display: block;
}
.tour-step .nm {
  font: 600 22px/1.2 var(--font-display);
  letter-spacing: -0.015em;
  color: var(--fg-3);
  margin-bottom: 8px;
  transition: color 200ms;
}
.tour-step.active .nm { color: var(--fg-1); }
.tour-step .ds {
  font: 400 14px/1.55 var(--font-body);
  color: var(--fg-3);
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms var(--ease-out), margin 280ms var(--ease-out);
}
.tour-step.active .ds {
  max-height: 100px;
  margin-top: 4px;
}
.tour-step.active .num { color: var(--accent); }
.tour-step:hover .nm { color: var(--fg-2); }
.tour-step.active:hover .nm { color: var(--fg-1); }

.tour-screen {
  background: var(--bg-surface);
  border: var(--hairline);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-height: 520px;
  display: flex; flex-direction: column;
}
.tour-screen .chrome {
  height: 36px;
  border-bottom: var(--hairline);
  display: flex; align-items: center; padding: 0 14px;
  background: var(--bg-surface-alt);
}
.tour-screen .chrome .dots { display: flex; gap: 6px; }
.tour-screen .chrome .dots i {
  width: 8px; height: 8px; border-radius: 99px; background: var(--steel-300);
}
body[data-theme="dark"] .tour-screen .chrome .dots i { background: rgba(255,255,255,0.18); }
.tour-screen .chrome .crumb {
  flex: 1; text-align: center;
  font: 500 11px/1 var(--font-mono);
  color: var(--fg-3); letter-spacing: 0.04em;
}
.tour-screen .body { flex: 1; padding: 24px; }

/* ============================================================
   Content gallery
   ============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.tile-3d {
  position: relative;
  background: var(--navy-900);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex; align-items: flex-end;
  padding: 20px;
  cursor: pointer;
  transition: transform 280ms var(--ease-out), box-shadow 280ms var(--ease-out);
}
.tile-3d:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.tile-3d.tall { grid-column: span 5; aspect-ratio: 4/5; }
.tile-3d.wide { grid-column: span 7; }
.tile-3d.std  { grid-column: span 4; }
.tile-3d.std-2 { grid-column: span 8; aspect-ratio: 16/9; }
.tile-3d .iso {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.tile-3d .ph-center {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.18);
}
.tile-3d .topic-tag {
  position: absolute; top: 16px; left: 16px;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.10);
  padding: 5px 8px; border-radius: 2px;
  backdrop-filter: blur(8px);
}
.tile-3d .runtime {
  position: absolute; top: 16px; right: 16px;
  font: 500 11px/1 var(--font-mono);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}
.tile-3d .meta {
  position: relative;
  z-index: 2;
}
.tile-3d .meta .nm {
  font: 600 18px/1.2 var(--font-display);
  color: var(--white);
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.tile-3d .meta .id {
  font: 500 11px/1 var(--font-mono);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}

/* ============================================================
   Outcomes band — dark
   ============================================================ */
.outcomes {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  border-top: var(--hairline);
  overflow: hidden;
}
.outcomes::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.outcomes .section-head h2 { color: var(--white); }
.outcomes .section-head .index { color: rgba(255,255,255,0.5); }
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,0.14);
  position: relative;
}
.outcomes-grid .cell {
  padding: 36px 24px;
  border-right: 1px solid rgba(255,255,255,0.14);
  position: relative;
}
.outcomes-grid .cell:last-child { border-right: 0; }
.outcomes-grid .cell .num {
  font: 600 56px/1 var(--font-display);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 14px;
}
.outcomes-grid .cell .num .u {
  font: 500 18px/1 var(--font-body);
  color: var(--safety-300);
  margin-left: 4px;
  letter-spacing: 0;
}
.outcomes-grid .cell .lbl {
  font: 500 14px/1.5 var(--font-body);
  color: rgba(255,255,255,0.7);
  max-width: 24ch;
}

/* ============================================================
   Quote / case study
   ============================================================ */
.quote {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}
.quote blockquote {
  margin: 0;
  font: 500 clamp(1.5rem, 2.4vw, 2.25rem)/1.35 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  text-wrap: balance;
}
.quote blockquote::before {
  content: "\201C"; display: block; display: block;
  font: 700 64px/0.8 var(--font-display);
  color: var(--accent);
  margin-bottom: 12px;
}
.quote .who {
  margin-top: 32px;
  display: flex; align-items: center; gap: 14px;
  border-top: var(--hairline);
  padding-top: 18px;
}
.quote .who .av {
  width: 44px; height: 44px;
  border-radius: 99px;
  background: var(--steel-200);
  border: var(--hairline-strong);
  display: flex; align-items: center; justify-content: center;
  font: 600 14px/1 var(--font-display);
  color: var(--fg-2);
  letter-spacing: 0.04em;
}
body[data-theme="dark"] .quote .who .av { background: var(--bg-surface-alt); }
.quote .who .nm { font: 600 14px/1.3 var(--font-body); color: var(--fg-1); }
.quote .who .role { font: 500 12px/1.3 var(--font-mono); color: var(--fg-3); letter-spacing: 0.04em; }

.case-card {
  background: var(--bg-surface-alt);
  border: var(--hairline);
  border-radius: 12px;
  padding: 24px;
}
.case-card .case-tag {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.case-card .case-tag::before {
  content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 1px;
}
.case-card h4 {
  margin: 0 0 12px;
  font: 600 20px/1.25 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.case-card p {
  margin: 0 0 20px;
  font: 400 14px/1.5 var(--font-body);
  color: var(--fg-2);
}
.case-card .case-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: var(--hairline);
  padding-top: 16px;
  gap: 12px;
}
.case-card .case-stats .v {
  font: 600 22px/1 var(--font-display);
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.015em;
}
.case-card .case-stats .l {
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--fg-3);
  margin-top: 4px;
}

/* ============================================================
   How it works
   ============================================================ */
.how {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.how-step {
  position: relative;
  padding-top: 36px;
  border-top: 1px solid var(--fg-1);
}
.how-step .step-num {
  position: absolute; top: -16px;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--accent);
  background: var(--bg-canvas);
  padding-right: 12px;
}
.how-step .nm {
  font: 600 20px/1.2 var(--font-display);
  letter-spacing: -0.015em;
  color: var(--fg-1);
  margin-bottom: 12px;
}
.how-step .ds {
  font: 400 14px/1.55 var(--font-body);
  color: var(--fg-2);
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 80% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 80% 50%, black 0%, transparent 70%);
}
.cta-band .cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 80px 0;
  position: relative;
}
.cta-band h2 {
  margin: 0;
  font: 600 clamp(2rem, 4vw, 3.25rem)/1.05 var(--font-display);
  letter-spacing: -0.03em;
  color: var(--white);
  text-wrap: balance;
}
.cta-band .cta-sub {
  font: 400 17px/1.55 var(--font-body);
  color: rgba(255,255,255,0.7);
  margin-top: 16px;
  max-width: 52ch;
}
.cta-band .cta-actions { display: flex; gap: 12px; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 56px 0 32px;
  background: var(--bg-canvas);
  border-top: var(--hairline);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-col h5 {
  margin: 0 0 16px;
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.footer-col a {
  display: block;
  font: 500 14px/1.3 var(--font-body);
  color: var(--fg-2);
  padding: 6px 0;
  transition: color 160ms;
}
.footer-col a:hover { color: var(--fg-1); }
.footer-brand .name {
  font: 700 16px/1 var(--font-display);
  letter-spacing: 0.04em;
  color: var(--fg-1);
  margin-bottom: 6px;
}
.footer-brand .tag {
  font: 500 12px/1.5 var(--font-body);
  color: var(--fg-3);
  max-width: 32ch;
  margin-bottom: 20px;
}
.footer-bottom {
  border-top: var(--hairline);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  font: 500 12px/1 var(--font-mono);
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.footer-bottom .legal-links { display: flex; gap: 24px; }

/* ============================================================
   Responsive
   ============================================================ */
/* ============================================================
   Logo scroller — label above, scroller full width
   ============================================================ */
.logos {
  padding: 24px 0 20px;
  border-top: var(--hairline);
}
.logos-row {
  display: flex;
  align-items: center;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}
.logos .logos-label {
  font: 600 10px/1.4 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  max-width: var(--page-max);
  margin: 0 auto 14px;
  padding: 0 var(--page-gutter);
  display: block;
  text-align: center;
}
.logos-scroller-outer {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}
.logos-scroller-track {
  display: flex;
  align-items: center;
  gap: 48px;
  width: max-content;
  animation: logo-scroll 45s linear infinite;
}
.logos-scroller-track:hover { animation-play-state: paused; }
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.logos-scroller-item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logos-scroller-item img {
  height: 34px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  display: block;
  transition: opacity 200ms;
}
.logos-scroller-item img:hover { opacity: 0.75; }

/* Library cards with image backgrounds */
.lib-card-img {
  background-size: cover;
  background-position: 0 0;
  background-color: var(--navy-900);
  position: relative;
  overflow: hidden;
}
.lib-card-img::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(8,14,38,0.88) 0%, rgba(10,18,50,0.82) 100%);
  z-index: 0;
  transition: opacity 180ms;
}
.lib-card-img:hover::before { opacity: 0.75; }
.lib-card-img > * { position: relative; z-index: 1; }
.lib-card-img .lib-card-num  { color: var(--safety-400); }
.lib-card-img .lib-card-title { color: var(--white); }
.lib-card-img .lib-card-desc  { color: rgba(255,255,255,0.65); }
.lib-card-img .lib-card-foot  { border-top-color: rgba(255,255,255,0.14); }
.lib-card-img .lib-card-cta   { color: rgba(255,255,255,0.6); }
.lib-card-img:hover .lib-card-cta { color: var(--safety-400); }

/* Full-width about layout — container centred, content left-aligned */
.about-full {
  max-width: 780px;
  margin: 0 auto;
  text-align: left;
}

/* ============================================================
   Testimonials carousel — equal-height cards
   ============================================================ */
.t-outer {
  overflow: hidden;
  position: relative;
  width: 100%;
}
.t-track {
  display: flex;
  width: 100%;
  align-items: stretch;
}
.t-item {
  min-width: 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.t-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: var(--hairline);
}
.t-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 99px;
  border: var(--hairline-strong);
  background: transparent;
  color: var(--fg-1);
  cursor: pointer;
  transition: background 160ms, border-color 160ms, color 160ms;
}
.t-btn:hover:not(:disabled) {
  background: var(--bg-surface-alt);
  border-color: var(--accent);
  color: var(--accent);
}
.t-btn:disabled { opacity: 0.3; cursor: default; }
.t-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}
.t-dot {
  width: 8px; height: 8px;
  border-radius: 99px;
  background: var(--border-default);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 200ms, transform 200ms;
}
.t-dot.active {
  background: var(--accent);
  transform: scale(1.3);
}
.t-dot:hover:not(.active) { background: var(--fg-3); }

/* ============================================================
   About section
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.about-lead {
  font: 400 18px/1.6 var(--font-body);
  color: var(--fg-2);
  margin: 0 0 32px;
  text-wrap: pretty;
  max-width: 50ch;
}
.about-points {
  display: flex;
  flex-direction: column;
  border-top: var(--hairline);
  margin-bottom: 36px;
}
.about-point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: var(--hairline);
  font: 500 15px/1.5 var(--font-body);
  color: var(--fg-1);
}
.about-point-num {
  font: 600 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--accent);
  flex: none;
  padding-top: 3px;
  width: 28px;
}
.about-founding {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
}
.about-founding-year {
  font: 600 28px/1 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
}
.about-founding-year span {
  font: 500 14px/1 var(--font-body);
  color: var(--fg-3);
  margin-left: 6px;
}

/* Testimonial cards */
.about-testimonials { display: flex; flex-direction: column; gap: 16px; }
.testimonial-card {
  padding: 24px;
  border: var(--hairline);
  border-radius: 8px;
  background: var(--bg-surface);
  transition: border-color 200ms;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.testimonial-card:hover { border-color: var(--steel-400); }
.testimonial-quote {
  font: 400 14px/1.6 var(--font-body);
  color: var(--fg-2);
  margin-bottom: 16px;
  font-style: italic;
  text-wrap: pretty;
  flex: 1;
}
.testimonial-who {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
  border-top: var(--hairline);
}
.testimonial-logo {
  height: 32px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
  flex: none;
}
.testimonial-name {
  font: 600 13px/1.2 var(--font-body);
  color: var(--fg-1);
}
.testimonial-role {
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--fg-3);
  margin-top: 3px;
}

/* ============================================================
   Contact band
   ============================================================ */
.contact-band {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding: 88px 0;
}
.contact-band::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
  position: relative;
}
.contact-info-sub {
  font: 400 15px/1.6 var(--font-body);
  color: rgba(255,255,255,0.65);
  max-width: 44ch;
  margin: 0 0 24px;
  text-wrap: pretty;
}
.contact-info-privacy {
  font: 500 12px/1.5 var(--font-mono);
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 20px;
  margin-bottom: 28px;
  max-width: 44ch;
}
.contact-details {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-detail dt {
  font: 600 9px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 4px;
}
.contact-detail dd {
  font: 500 14px/1.45 var(--font-body);
  color: rgba(255,255,255,0.82);
  margin: 0;
}

/* Contact form */
.contact-form-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 32px;
  position: relative;
}
.contact-form-head {
  font: 600 16px/1.2 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 6px;
}
.contact-form-sub {
  font: 400 12px/1.4 var(--font-body);
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.cform-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.cform-full { grid-template-columns: 1fr; }
.cform-input,
.cform-textarea {
  width: 100%;
  padding: 11px 14px;
  font: 500 13px/1.2 var(--font-body);
  font-family: var(--font-body);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 4px;
  color: var(--white);
  outline: none;
  transition: border-color 150ms, background 150ms;
}
.cform-input::placeholder,
.cform-textarea::placeholder { color: rgba(255,255,255,0.3); }
.cform-input:focus,
.cform-textarea:focus { border-color: var(--accent); background: rgba(255,255,255,0.08); }
.cform-textarea { resize: vertical; min-height: 110px; }
.cform-submit {
  width: 100%;
  margin-top: 8px;
  height: 46px;
  font: 600 14px/1 var(--font-body);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 160ms, transform 160ms;
}
.cform-submit:hover:not(:disabled) { background: var(--safety-600); transform: translateY(-1px); }
.cform-submit:disabled { opacity: 0.6; cursor: default; }
.cform-error {
  font: 500 12px/1.4 var(--font-body);
  color: #fca5a5;
  background: rgba(212,47,47,0.14);
  border: 1px solid rgba(212,47,47,0.28);
  border-radius: 4px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.contact-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: rgba(22,163,90,0.14);
  border: 1px solid rgba(22,163,90,0.28);
  border-radius: 6px;
  font: 500 15px/1.4 var(--font-body);
  color: #86efac;
  margin-top: 8px;
}

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cform-row { grid-template-columns: 1fr; }
}
.logos-list-img {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
}
.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  flex: none;
}
.logo-item img {
  height: 100%;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: opacity 220ms, filter 220ms;
  display: block;
}
.logo-item img:hover { opacity: 0.9; filter: grayscale(0%); }
body[data-theme="dark"] .logo-item img { filter: grayscale(100%) brightness(2.2); opacity: 0.45; }
body[data-theme="dark"] .logo-item img:hover { filter: grayscale(0%) brightness(1.5); opacity: 0.9; }

/* ============================================================
   Training libraries grid
   ============================================================ */
.lib-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}
.lib-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px 20px;
  background: var(--bg-surface);
  text-decoration: none;
  transition: background 160ms var(--ease-out);
  position: relative;
  min-height: 160px;
}
.lib-card:hover { background: var(--bg-surface-alt); }
.lib-card-num {
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 12px;
}
.lib-card-title {
  font: 600 15px/1.25 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin-bottom: 8px;
}
.lib-card-desc {
  font: 400 13px/1.5 var(--font-body);
  color: var(--fg-2);
  flex: 1;
}
.lib-card-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: var(--hairline);
}
.lib-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 11px/1 var(--font-body);
  letter-spacing: 0.02em;
  color: var(--fg-3);
  transition: color 180ms;
}
.lib-card-cta svg { transition: transform 200ms var(--ease-out); }
.lib-card:hover .lib-card-cta { color: var(--accent); }
.lib-card:hover .lib-card-cta svg { transform: translateX(3px); }

/* ============================================================
   Footer wordmark logo
   ============================================================ */
.footer-wordmark {
  height: 28px;
  width: auto;
  display: block;
}
/* Footer logo: respect theme — dark logo in light mode, white logo in dark mode */
.footer .logo-dark                              { display: none;  }
body[data-theme="dark"] .footer .logo-light    { display: none;  }
body[data-theme="dark"] .footer .logo-dark     { display: block; }

/* ============================================================
   Gallery tile poster background
   ============================================================ */
.tile-poster {
  transition: opacity 300ms;
}
.tile-3d:hover .tile-poster { opacity: 0.6 !important; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .halves, .quote, .cta-band .cta-inner { grid-template-columns: 1fr; }
  .gallery .tile-3d { grid-column: span 12 !important; aspect-ratio: 16/9 !important; }
  .how { grid-template-columns: 1fr 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
  .hero-split { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .lib-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Gallery — equal 2×2 grid
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.tile-3d.tile-equal {
  grid-column: span 1;
  aspect-ratio: 4/3;
}

/* ============================================================
   KL / TAP homepage feature sections
   ============================================================ */
.kl-feature-section {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.kl-feature-section::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(115deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(65deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.kl-feature-section .section-head h2  { color: var(--white); }
.kl-feature-section .section-head .index { color: rgba(255,255,255,0.45); }

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-list {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 28px;
}
.feature-list-light { border-top: var(--hairline); }
.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  font: 500 14px/1.5 var(--font-body);
  color: rgba(255,255,255,0.75);
}
.feature-list-light .feature-list-item {
  border-bottom: var(--hairline);
  color: var(--fg-2);
}
.feature-list-dash {
  color: var(--accent);
  font: 600 12px/1.5 var(--font-mono);
  flex: none;
}
.feature-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }

@media (max-width: 1024px) {
  .feature-split { grid-template-columns: 1fr; gap: 32px; }
  .gallery-grid  { grid-template-columns: 1fr; }
}


/* ============================================================
   Hamburger button (hidden on desktop)
   ============================================================ */
.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-1);
  margin-left: auto;
  flex: none;
  border-radius: 6px;
  transition: background 150ms;
}
.nav-hamburger:hover { background: var(--bg-surface-alt); }

/* ============================================================
   Tablet — ≤ 1024px  (supplements existing rules)
   ============================================================ */
@media (max-width: 1024px) {
  /* Show hamburger, wire up mobile nav */
  .nav-hamburger { display: flex; }

  .nav-links.nav-links-open {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--bg-canvas);
    padding: 8px var(--page-gutter) 32px;
    overflow-y: auto;
    z-index: 49;
    border-top: var(--hairline);
    gap: 0;
  }
  .nav-links.nav-links-open .nav-link {
    display: block;
    padding: 15px 0;
    font-size: 17px;
    border-bottom: var(--hairline);
    color: var(--fg-1);
  }
  .nav-links.nav-links-open .nav-link.active { color: var(--accent); }
  .nav-links.nav-links-open .nav-dropdown-wrap { border-bottom: var(--hairline); }
  .nav-links.nav-links-open .nav-dropdown-wrap .nav-link { border-bottom: none; }
  .nav-links.nav-links-open .nav-dropdown { display: none; } /* hide fly-out on touch */

  /* Tour: stack vertically, tabs across top */
  .tour { grid-template-columns: 1fr; gap: 24px; }
  .tour-nav {
    flex-direction: row;
    overflow-x: auto;
    border-left: none;
    border-bottom: 2px solid var(--border-subtle);
    position: static;
    padding-bottom: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tour-nav::-webkit-scrollbar { display: none; }
  .tour-step {
    flex: 0 0 auto;
    padding: 12px 20px;
    border-left: none;
    border-bottom: 2px solid transparent;
    margin-left: 0;
    margin-bottom: -2px;
    white-space: nowrap;
  }
  .tour-step.active { border-left: none; border-bottom-color: var(--accent); }
  .tour-step .ds   { display: none; }
  .tour-step .num  { margin-bottom: 4px; }
  .tour-step .nm   { font-size: 15px; margin-bottom: 0; }

  /* Outcomes: 2×2 */
  .outcomes-grid { grid-template-columns: 1fr 1fr; }
  .outcomes-grid .cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.14); padding: 28px 20px; }
  .outcomes-grid .cell:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.14); }
  .outcomes-grid .cell:last-child,
  .outcomes-grid .cell:nth-last-child(2):nth-child(odd) { border-bottom: 0; }

  /* Footer: 2-column */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-brand { grid-column: span 2; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ============================================================
   Mobile — ≤ 768px
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }

  /* Hero: hide product screenshot, compress */
  .hero { padding: 56px 0 48px; }
  .hero-screen-wrap { display: none !important; }
  .hero-grid { gap: 0; }
  .hero-annot { display: none; }
  .hero-bullets { gap: 0; flex-direction: column; }
  .hero-bullets .item { border-right: none; border-bottom: var(--hairline); padding: 14px 0; }
  .hero-bullets .item:last-child { border-bottom: none; }

  /* How: 2 columns */
  .how { grid-template-columns: 1fr 1fr; gap: 0; }
  .how-step { padding: 20px 16px; border-top: var(--hairline); }

  /* Gallery: 1 column */
  .gallery-grid { grid-template-columns: 1fr; }
  .tile-3d.tile-equal { aspect-ratio: 16/9; }

  /* Tour screen: smaller min-height */
  .tour-screen { min-height: 400px; }

  /* Lib grid: 1 column */
  .lib-grid { grid-template-columns: 1fr !important; }

  /* Testimonials: hint at next card */
  .t-outer { margin: 0 calc(-1 * var(--page-gutter)); padding: 0 var(--page-gutter); overflow: hidden; }

  /* Contact form */
  .contact-band { padding: 64px 0; }

  /* Feature split */
  .feature-split { gap: 32px; }

  /* Halves */
  .half { padding: 48px 32px; }

  /* Quote card */
  .case-card { padding: 28px; }
  .case-stats { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Mobile — ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
  :root { --page-gutter: 16px; }
  .section { padding: 48px 0; }

  /* How: 1 column */
  .how { grid-template-columns: 1fr; }

  /* Outcomes: 1 column */
  .outcomes-grid { grid-template-columns: 1fr !important; }
  .outcomes-grid .cell { border-right: none !important; }
  .outcomes-grid .cell:nth-last-child(2):nth-child(odd) { border-bottom: 1px solid rgba(255,255,255,0.14); }

  /* Footer: 1 column */
  .footer-grid { grid-template-columns: 1fr !important; }
  .footer-brand { grid-column: auto !important; }

  /* Tour: hide screen panel on tiny screens */
  .tour-screen { display: none; }
  .tour-step .nm { font-size: 18px; }
  .tour-step .ds { display: block; max-height: none; }
  .tour-step { white-space: normal; padding: 16px 0; border-bottom: var(--hairline); border-left: none; border-bottom-color: transparent; }
  .tour-step.active { border-left: none; border-bottom-color: var(--accent); }
  .tour-nav { flex-direction: column; border-bottom: none; border-left: 2px solid var(--border-subtle); overflow-x: visible; }
  .tour-step { border-left: 2px solid transparent; margin-left: -2px; padding-left: 20px; border-bottom: none; }
  .tour-step.active { border-left-color: var(--accent); border-bottom: none; }
  .tour-step .ds { max-height: 0; }
  .tour-step.active .ds { max-height: 200px; }

  /* Halves */
  .half { padding: 40px 20px; }

  /* Gallery */
  .gallery-grid { grid-template-columns: 1fr !important; }

  /* Logos scroller — slow down for smaller width */
  .logos-scroller-track { animation-duration: 50s; }

  /* Quote */
  .case-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .quote blockquote { font-size: clamp(1.2rem, 5vw, 1.8rem); }

  /* Ticker (Hero cube variant) */
  .ticker { grid-template-columns: 1fr 1fr; }

  /* Testimonials: show description */
  .tour-step .ds { color: var(--fg-3); }

  /* Section head number */
  .section-head { gap: 12px; }

  /* Outcomes number size */
  .outcomes-grid .cell .num { font-size: clamp(2.5rem, 10vw, 3.5rem); }
}


/* ============================================================
   ProductScreen section
   ============================================================ */
.ps-section { background: var(--bg-surface-alt); }
.ps-head { text-align: center; }
.ps-screen {
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  border: var(--hairline);
  overflow: hidden;
}
.ps-body { height: 580px; }

.ps-callouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 32px;
  border: var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}
.ps-callout {
  padding: 20px 24px;
  border-right: var(--hairline);
}
.ps-callout:last-child { border-right: none; }
.ps-callout .k {
  display: block;
  font: 700 13px/1 var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ps-callout .v {
  font: 400 14px/1.5 var(--font-body);
  color: var(--fg-2);
}

@media (max-width: 768px) {
  .ps-body { height: 380px; }
  .ps-callouts { grid-template-columns: 1fr; }
  .ps-callout { border-right: none; border-bottom: var(--hairline); }
  .ps-callout:last-child { border-bottom: none; }
}
@media (max-width: 480px) {
  .ps-body { height: 260px; }
}

/* ============================================================
   Footer theme toggle button
   ============================================================ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--fg-2);
  cursor: pointer;
  border-radius: 5px;
  padding: 4px 6px;
  transition: color 150ms;
}
.theme-toggle:hover { color: var(--fg-1); }
body[data-theme="dark"] .theme-toggle { color: rgba(255,255,255,0.55); }
body[data-theme="dark"] .theme-toggle:hover { color: #fff; }

/* Hide stub-page nav-right on mobile — hamburger takes over */
@media (max-width: 1024px) {
  .nav-right { display: none; }
}