/* Palette: 4a dark (default) / 4b light, contrast-verified in the design pass.
   Only the tokens that differ between themes are overridden below. */
:root {
  --bg: #141517;
  --ink: #f4f4f3;
  --dim: rgba(244, 244, 243, .66);
  --acc: #16307e;
  --accT: #8fb0ff;
  --accInk: #ffffff;
  --acc2: #ffd21e;
  --acc2T: #ffd21e;
  --acc2Ink: #1a1600;
  --line: rgba(244, 244, 243, .2);
  --pad: 60px;
  --gutter: max(var(--pad), calc((100% - 1280px) / 2 + var(--pad)));
}

:root[data-theme="light"] {
  --bg: #f7f7f6;
  --ink: #141517;
  --dim: #55575c;
  --accT: #16307e;
  --acc2T: #7a5500;
  --line: rgba(20, 21, 23, .16);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, sans-serif;
}

a { color: inherit; text-decoration: none; }
a:hover { opacity: .7; }
input, textarea, button { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--accT); outline-offset: 3px; }
.hero :focus-visible { outline-color: var(--acc2); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.band { padding-inline: var(--gutter); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--acc2);
  color: var(--acc2Ink);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
}
.skip:focus { left: 0; }

.wordmark {
  font-family: Unbounded, sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -.02em;
}

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

.hero {
  background: var(--acc);
  color: var(--accInk);
  padding-block: 36px 92px;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 90px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 500;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .45);
  color: inherit;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.toggle:hover { border-color: var(--acc2); }

.toggle-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: linear-gradient(90deg, currentColor 0 50%, transparent 50% 100%);
}

.kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .85;
  margin: 0 0 26px;
}

.hero h1 {
  font-family: Unbounded, sans-serif;
  font-weight: 600;
  font-size: clamp(40px, 7.8vw, 100px);
  line-height: .96;
  letter-spacing: -.05em;
  margin: 0;
  max-width: 14ch;
  text-wrap: pretty;
}

.hero-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
  margin-top: 56px;
}

.hero-sub {
  margin: 0;
  font-size: 20px;
  line-height: 1.55;
  max-width: 44ch;
  opacity: .92;
}

.btn-hero {
  background: var(--acc2);
  color: var(--acc2Ink);
  padding: 19px 34px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

/* Services -------------------------------------------------------------- */

.tone-a { --tone: var(--accT); }
.tone-b { --tone: var(--acc2T); }

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 48px;
  align-items: center;
  padding-block: 56px;
  border-bottom: 1px solid var(--line);
}

.row-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--tone);
  margin: 0 0 16px;
}

.row h2 {
  font-family: Unbounded, sans-serif;
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 40px);
  letter-spacing: -.035em;
  margin: 0 0 14px;
}

.row-copy {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--dim);
  max-width: 60ch;
}

.slot {
  position: relative;
  height: 150px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  border: 1px solid var(--line);
  color: var(--tone);
}

.slot-fill {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, currentColor 0 1px, transparent 1px 9px);
  opacity: .5;
}

.slot-label {
  position: relative;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--ink);
}

/* Process --------------------------------------------------------------- */

.process {
  padding-block: 76px;
  border-bottom: 1px solid var(--line);
}

.process h2 {
  font-family: Unbounded, sans-serif;
  font-weight: 500;
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -.035em;
  margin: 0 0 40px;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.step {
  flex: 1 1 260px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--tone);
  padding: 26px;
}

.step-num {
  font-family: Unbounded, sans-serif;
  font-size: 26px;
  color: var(--tone);
  letter-spacing: -.03em;
  margin: 0 0 14px;
}

.step-name {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}

.step-copy {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

/* Contact --------------------------------------------------------------- */

.contact {
  padding-block: 92px;
  text-align: center;
}

.contact h2 {
  font-family: Unbounded, sans-serif;
  font-weight: 500;
  font-size: clamp(34px, 4.6vw, 56px);
  letter-spacing: -.04em;
  line-height: 1.05;
  margin: 0 0 18px;
}

.contact-sub {
  margin: 0 auto 44px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--dim);
  max-width: 52ch;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 14px;
  max-width: 680px;
  margin: 0 auto;
  text-align: left;
}

.contact-form label { display: grid; gap: 7px; }
.span2 { grid-column: span 2; }

.field-label { font-size: 13px; font-weight: 600; }

.contact-form input,
.contact-form textarea {
  background: transparent;
  border: 1px solid var(--dim);
  border-radius: 0;
  padding: 16px;
  font-size: 15px;
  width: 100%;
}

.contact-form textarea { resize: vertical; }

.btn-submit {
  background: var(--acc);
  color: var(--accInk);
  border: 0;
  padding: 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  grid-column: span 2;
}
.btn-submit[disabled] { opacity: .6; cursor: progress; }

.form-status {
  grid-column: span 2;
  margin: 0;
  min-height: 1.5em;
  font-size: 14px;
  line-height: 1.5;
  color: var(--dim);
}
.form-status[data-state="ok"] { color: var(--ink); }
.form-status[data-state="error"] { color: var(--acc2T); }

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

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

.site-footer {
  background: var(--acc2);
  color: var(--acc2Ink);
  padding-block: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.footer-mark { font-size: 18px; }

.footer-links { display: flex; gap: 26px; }

/* Responsive ------------------------------------------------------------ */

@media (max-width: 1100px) {
  :root { --pad: 40px; }
  .row { grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; }
}

@media (max-width: 900px) {
  :root { --pad: 32px; }
  .hero-top { margin-bottom: 64px; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 32px; }
  .row { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .slot { height: 180px; }
  .contact-form { grid-template-columns: 1fr; }
  .span2, .btn-submit, .form-status { grid-column: span 1; }
}

@media (max-width: 600px) {
  :root { --pad: 24px; }
  .hero { padding-block: 24px 64px; }
  .hero-top { flex-wrap: wrap; gap: 16px; }
  .nav { gap: 18px; font-size: 13px; }
  .hero-sub { font-size: 18px; }
  .process, .contact { padding-block: 56px; }
  .row { padding-block: 40px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}