:root,
[data-theme='light'] {
  --font-display: 'Cabinet Grotesk', 'Arial', sans-serif;
  --font-body: 'General Sans', 'Inter', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --color-bg: #f4f1ea;
  --color-surface: #fbfaf6;
  --color-surface-2: #ebe6dc;
  --color-surface-offset: #ded7c9;
  --color-divider: #d3cab8;
  --color-border: #c2b8a5;
  --color-text: #16171b;
  --color-text-muted: #62605b;
  --color-text-faint: #938c7c;
  --color-text-inverse: #f8f5ee;
  --color-primary: #4f46e5;
  --color-primary-hover: #3930c7;
  --color-primary-active: #28218f;
  --color-primary-highlight: #dedcfb;
  --color-ink: #101217;
  --color-brass: #a3742d;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.08);
  --shadow-md: 0 12px 32px oklch(0.2 0.02 80 / 0.12);
  --shadow-lg: 0 28px 80px oklch(0.2 0.02 80 / 0.16);
  --content-wide: 1180px;
}

[data-theme='dark'] {
  --color-bg: #101217;
  --color-surface: #171a21;
  --color-surface-2: #20242d;
  --color-surface-offset: #2a2d35;
  --color-divider: #2d3039;
  --color-border: #3b3f4b;
  --color-text: #f4f1ea;
  --color-text-muted: #b8b2a7;
  --color-text-faint: #777d8c;
  --color-text-inverse: #121318;
  --color-primary: #8b86ff;
  --color-primary-hover: #a8a4ff;
  --color-primary-active: #c8c5ff;
  --color-primary-highlight: #26274c;
  --color-ink: #f7f4ed;
  --color-brass: #d0a562;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 12px 32px oklch(0 0 0 / 0.32);
  --shadow-lg: 0 28px 80px oklch(0 0 0 / 0.44);
}

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

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, color-mix(in oklab, var(--color-primary) 16%, transparent), transparent 34rem),
    linear-gradient(135deg, color-mix(in oklab, var(--color-bg) 92%, var(--color-primary)), var(--color-bg));
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a,
button {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

button {
  border: 0;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

p {
  max-width: 72ch;
  text-wrap: pretty;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-160%);
  border-radius: var(--radius-full);
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in oklab, var(--color-border) 56%, transparent);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  margin-inline: auto;
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
}

.brand-mark {
  width: 42px;
  color: var(--color-primary);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1;
}

.brand strong {
  font-size: var(--text-sm);
  letter-spacing: -0.02em;
}

.brand small {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1);
  border: 1px solid color-mix(in oklab, var(--color-border) 54%, transparent);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface) 78%, transparent);
  font-size: var(--text-sm);
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  padding-inline: var(--space-4);
  color: var(--color-text-muted);
}

.nav-links a:hover {
  background: var(--color-primary-highlight);
  color: var(--color-text);
}

.theme-toggle {
  min-width: 44px;
  min-height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent);
  border-radius: var(--radius-full);
  background: var(--color-surface);
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.75fr);
  align-items: end;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  min-height: calc(100dvh - 82px);
  margin-inline: auto;
  padding-block: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-16);
}

.hero-copy {
  display: grid;
  gap: var(--space-6);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: var(--space-6);
  height: 2px;
  background: currentColor;
}

h1 {
  max-width: 12ch;
  font-size: var(--text-3xl);
}

.hero-lede {
  max-width: 60ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  padding-inline: var(--space-5);
  font-size: var(--text-sm);
  font-weight: 700;
}

.button-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.button-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.button-secondary {
  border: 1px solid color-mix(in oklab, var(--color-border) 76%, transparent);
  background: var(--color-surface);
  color: var(--color-text);
}

.button-secondary:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.hero-panel {
  display: grid;
  gap: var(--space-6);
  border: 1px solid color-mix(in oklab, var(--color-border) 66%, transparent);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-surface) 88%, var(--color-primary)), var(--color-surface)),
    var(--color-surface);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.panel-topline,
.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: 0 0 0 var(--space-2) color-mix(in oklab, var(--color-primary) 16%, transparent);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.metric-grid div {
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface-2) 78%, transparent);
  padding: var(--space-4);
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.metric-grid span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.hero-panel p {
  color: var(--color-text-muted);
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  margin-inline: auto;
  padding-block: var(--space-8) var(--space-16);
}

.proof-strip p {
  border: 1px solid color-mix(in oklab, var(--color-border) 62%, transparent);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-surface) 76%, transparent);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.section,
.case-grid,
.contact,
.footer {
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: end;
}

h2 {
  margin-top: var(--space-4);
  max-width: 14ch;
  font-size: var(--text-2xl);
}

.split > p,
.systems-copy p,
.process > p,
.contact-card p {
  color: var(--color-text-muted);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-4);
}

.case-card {
  min-height: 20rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-8);
  border: 1px solid color-mix(in oklab, var(--color-border) 62%, transparent);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.case-card-large {
  grid-row: span 2;
  min-height: 36rem;
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-primary) 18%, transparent), transparent 44%),
    var(--color-surface);
}

.dark-card {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}

.dark-card p,
.dark-card .case-meta {
  color: color-mix(in oklab, var(--color-text-inverse) 72%, transparent);
}

.case-card h3 {
  max-width: 12ch;
  font-size: var(--text-xl);
}

.case-card p {
  color: var(--color-text-muted);
}

.case-card a {
  width: fit-content;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.case-card a:hover {
  color: var(--color-primary-hover);
}

.systems {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: start;
}

.system-stack {
  display: grid;
  gap: var(--space-3);
}

.system-row {
  display: grid;
  grid-template-columns: 4rem 0.7fr 1fr;
  gap: var(--space-4);
  align-items: baseline;
  border-top: 1px solid color-mix(in oklab, var(--color-border) 70%, transparent);
  padding-block: var(--space-5);
}

.system-row span {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.system-row strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.system-row p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.process {
  border-block: 1px solid color-mix(in oklab, var(--color-border) 68%, transparent);
}

.process h2 {
  max-width: 18ch;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.process-grid article {
  display: grid;
  gap: var(--space-4);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface) 74%, transparent);
  padding: var(--space-5);
}

.process-grid span {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.process-grid h3 {
  font-size: var(--text-lg);
}

.process-grid p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.contact {
  display: grid;
  grid-template-columns: 1fr minmax(18rem, 0.7fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.contact h2 {
  max-width: 14ch;
}

.contact-card {
  display: grid;
  gap: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--color-ink);
  color: var(--color-text-inverse);
  padding: var(--space-6);
}

.contact-card p {
  color: color-mix(in oklab, var(--color-text-inverse) 76%, transparent);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  border-top: 1px solid color-mix(in oklab, var(--color-border) 72%, transparent);
  padding-block: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer strong {
  display: block;
  color: var(--color-text);
  font-size: var(--text-base);
}

.footer nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  font-weight: 700;
}

.footer a:hover {
  color: var(--color-primary);
}

@media (max-width: 880px) {
  .nav {
    width: min(calc(100% - var(--space-6)), var(--content-wide));
  }

  .nav-links {
    display: none;
  }

  .hero,
  .split,
  .systems,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    width: min(calc(100% - var(--space-6)), var(--content-wide));
    min-height: auto;
    padding-top: var(--space-16);
  }

  h1 {
    max-width: 11ch;
  }

  .case-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .case-card-large {
    min-height: 28rem;
  }

  .system-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .brand span {
    display: none;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}