/* ==========================================================================
   Leviworks — site.css
   Tokens first (light on :root, dark under a guarded media query and an
   explicit data-theme), then base, then components. Zero JavaScript.
   ========================================================================== */

:root {
  color-scheme: light;

  /* Ground and ink: cool paper, blue-biased neutrals */
  --paper: #F4F5F2;
  --paper-2: #E9EBE6;
  --ink: #14171C;
  --ink-2: #5B616B;
  --ink-3: #8A9099;
  --rule: #D3D7D9;
  --rule-strong: #14171C;

  /* One accent: ultramarine */
  --accent: #1D3BDB;
  --accent-hover: #1531B8;
  --on-accent: #FFFFFF;

  /* Inverted product panel */
  --panel: #14171C;
  --on-panel: #F4F5F2;
  --on-panel-2: #A6ACB6;
  --panel-rule: #2E333B;
  --panel-accent: #9DB0FF;

  --ghost: rgba(20, 23, 28, 0.07);
  --danger: #B3261E;

  --font-sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 56px);
  --label-col: minmax(150px, 200px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #0F1114;
    --paper-2: #171A20;
    --ink: #ECEEF2;
    --ink-2: #A0A6B0;
    --ink-3: #6B717B;
    --rule: #2A2F37;
    --rule-strong: #ECEEF2;
    --accent: #8093FF;
    --accent-hover: #9FAEFF;
    --on-accent: #0F1114;
    --panel: #ECEEF2;
    --on-panel: #14171C;
    --on-panel-2: #5A6069;
    --panel-rule: #CBD0D6;
    --panel-accent: #1D3BDB;
    --ghost: rgba(236, 238, 242, 0.06);
    --danger: #FF8A80;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0F1114;
  --paper-2: #171A20;
  --ink: #ECEEF2;
  --ink-2: #A0A6B0;
  --ink-3: #6B717B;
  --rule: #2A2F37;
  --rule-strong: #ECEEF2;
  --accent: #8093FF;
  --accent-hover: #9FAEFF;
  --on-accent: #0F1114;
  --panel: #ECEEF2;
  --on-panel: #14171C;
  --on-panel-2: #5A6069;
  --panel-rule: #CBD0D6;
  --panel-accent: #1D3BDB;
  --ghost: rgba(236, 238, 242, 0.06);
  --danger: #FF8A80;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
dl { margin: 0; }

h2 {
  font-stretch: 125%;
  font-weight: 750;
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 650;
  letter-spacing: -0.005em;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}
.skip:focus { top: 16px; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 22px;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-stretch: 125%;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand:hover { color: var(--ink); }
.brand svg { width: 26px; height: 26px; flex: none; color: var(--accent); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--ink-2);
}
.nav a:hover { color: var(--accent); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  display: grid;
  gap: 28px;
  padding-block: clamp(48px, 8vw, 112px) clamp(40px, 6vw, 80px);
}

.hero h1 {
  font-stretch: 125%;
  font-weight: 800;
  font-size: clamp(2.5rem, 6.2vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.lead {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 58ch;
}
.lead strong { color: var(--ink); font-weight: 500; }

.spec {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  border-top: 1px solid var(--rule-strong);
}
.spec div {
  display: grid;
  grid-template-columns: 9.5em minmax(0, 1fr);
  gap: 16px;
  padding-block: 10px;
  border-bottom: 1px solid var(--rule);
}
.spec dt {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
  padding-top: 0.2em;
}
.spec dd { margin: 0; font-variant-numeric: tabular-nums; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--on-accent);
}
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* --------------------------------------------------------------------------
   Section rows: mono field label on the left, content on the right
   -------------------------------------------------------------------------- */

.row {
  display: grid;
  grid-template-columns: var(--label-col) minmax(0, 1fr);
  gap: 20px 56px;
  padding-block: clamp(44px, 6vw, 88px);
  border-top: 1px solid var(--rule-strong);
}
.row__label {
  position: sticky;
  top: 24px;
  align-self: start;
}
.row__body {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  min-width: 0;
}
.row__intro {
  display: grid;
  gap: 16px;
  max-width: 62ch;
}
.row__intro p { color: var(--ink-2); font-size: 1.125rem; }

/* Status pill: state encoded in form, not just words */
.status {
  display: inline-block;
  justify-self: start;
  padding: 3px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.6875rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.status--live { color: var(--accent); }
.status--pilot { color: var(--ink-2); }

/* Work list */
.work { display: grid; }
.work__row {
  display: grid;
  grid-template-columns: minmax(120px, 150px) minmax(0, 1fr) minmax(170px, 220px);
  gap: 12px 40px;
  padding-block: 28px 34px;
  border-top: 1px solid var(--rule);
}
.work__meta {
  display: grid;
  gap: 4px;
  align-content: start;
}
.work__meta .label { color: var(--ink); }
.work__meta .sub { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--ink-2); }
.work__body {
  display: grid;
  gap: 10px;
  max-width: 64ch;
}
.work__body p { color: var(--ink-2); }
.work__side {
  display: grid;
  gap: 8px;
  align-content: start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--ink-2);
}
.work__side a { color: var(--accent); text-decoration: none; }
.work__side a:hover { text-decoration: underline; }

/* Contact form */
.form { display: grid; gap: 22px; max-width: 64ch; }
.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
}
.field { display: grid; gap: 8px; }
.field--wide { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}
.field .optional { text-transform: none; letter-spacing: 0.04em; color: var(--ink-3); }
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  line-height: 1.5;
}
.field textarea { resize: vertical; min-height: 9em; }
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: var(--danger); }
.field__error {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--danger);
}
.notice {
  max-width: 64ch;
  padding: 14px 16px;
  border: 1px solid var(--ink);
}
.notice--error { border-color: var(--danger); color: var(--danger); }
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.foot { border-top: 1px solid var(--rule-strong); overflow: hidden; }
.foot__ghost {
  margin: 0 calc(-1 * var(--gutter));
  padding-top: 0.12em;
  font-stretch: 125%;
  font-weight: 900;
  font-size: clamp(2.6rem, 9.4vw, 9.4rem);
  line-height: 0.8;
  letter-spacing: -0.03em;
  text-align: center;
  white-space: nowrap;
  color: var(--ghost);
  user-select: none;
}
.foot__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 22px 28px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.foot__row ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.foot__row a { text-decoration: none; }
.foot__row a:hover { color: var(--accent); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Motion, responsive, print
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: no-preference) {
  .hero > * { animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero > :nth-child(2) { animation-delay: 0.05s; }
  .hero > :nth-child(3) { animation-delay: 0.1s; }
  .hero > :nth-child(4) { animation-delay: 0.15s; }
  @keyframes rise {
    from { transform: translateY(12px); }
    to { transform: none; }
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
  .work__row { grid-template-columns: 1fr; gap: 10px; }
  .work__side { display: flex; flex-wrap: wrap; gap: 6px 20px; }
}

@media (max-width: 760px) {
  .nav { gap: 4px 16px; }
  .row { grid-template-columns: 1fr; gap: 14px; }
  .form__grid { grid-template-columns: 1fr; }
  .row__label { position: static; }
}

@media print {
  .skip, .foot__ghost { display: none; }
  body { background: #fff; color: #000; }
}