:root {
  --bg: #171510;
  --ink: #ece7da;
  --ink-soft: #a9a193;
  --line: #38342a;
  --accent: #e8701f;
  --accent-ink: #1a1510;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Consolas", monospace;
  --sans: -apple-system, system-ui, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  --bg: #f4f2ed;
  --ink: #16140f;
  --ink-soft: #55524a;
  --line: #d9d5cb;
  --accent: #c7461b;
  --accent-ink: #fff8f0;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body, header.site, section.block, footer.site, .field input, .field textarea {
  transition: background-color 200ms var(--ease-out), color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

::selection { background: var(--accent); color: var(--accent-ink); }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 28px;
}

/* -- header -- */
header.site {
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
}
nav.site a {
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  margin-left: 22px;
  padding-bottom: 2px;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 180ms var(--ease-out);
}
nav.site a:first-child { margin-left: 0; }
nav.site a:hover { background-size: 100% 1px; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-left: 22px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), border-color 150ms var(--ease-out);
}
.theme-toggle:hover { border-color: var(--ink-soft); }
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

/* -- pixel blocks -- */
.pixel-block { width: 22px; height: 22px; flex-shrink: 0; }
.pixel-block .b-base { fill: var(--pb-base); }
.pixel-block .b-light { fill: var(--pb-light); }
.pixel-block .b-dark { fill: var(--pb-dark); }
.pixel-block .b-outline { fill: var(--pb-outline); }
.pixel-block--stone { --pb-base:#8a8d91; --pb-light:#c7cacd; --pb-dark:#54575b; --pb-outline:#2a2c2e; }
.pixel-block--amber { --pb-base:#e0962a; --pb-light:#ffce7a; --pb-dark:#9a5f10; --pb-outline:#4a2c08; }
.pixel-block--moss  { --pb-base:#5f9a4a; --pb-light:#9ccb7f; --pb-dark:#35611f; --pb-outline:#1c3010; }
.pixel-block--slate { --pb-base:#4d7ea8; --pb-light:#8ec0e6; --pb-dark:#2c4e6b; --pb-outline:#152736; }

/* -- hero -- */
.hero {
  position: relative;
  padding: 84px 0 56px;
  border-bottom: 1px solid var(--line);
}
.block-scatter {
  position: absolute;
  top: 30px;
  right: 28px;
  display: flex;
  gap: 10px;
}
.block-scatter .pixel-block { width: 34px; height: 34px; }
.block-scatter span:nth-child(1) { display: inline-block; transform: rotate(-6deg) translateY(4px); }
.block-scatter span:nth-child(2) { display: inline-block; transform: rotate(4deg) translateY(-6px); }
.block-scatter span:nth-child(3) { display: inline-block; transform: rotate(-3deg) translateY(2px); }
@media (max-width: 760px) { .block-scatter { display: none; } }
.hero .kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.15;
  font-weight: 600;
  margin: 0 0 22px;
  max-width: 15ch;
}
.hero p.lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0 0 32px;
}
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  background: var(--ink);
  color: var(--bg);
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  transition: transform 160ms var(--ease-out), background-color 160ms var(--ease-out);
}
.btn:hover { background: #000; }
.btn:active { transform: scale(0.97); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { background: var(--ink); color: var(--bg); }

/* -- sections -- */
section.block {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
section.block:last-of-type { border-bottom: none; }
.block h2 {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 30px;
}

/* -- stack list -- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 40px;
}
@media (max-width: 640px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-grid dt {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.stack-grid dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}
.stack-note {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 62ch;
}

/* -- capabilities -- */
.cap-list {
  display: flex;
  flex-direction: column;
}
.cap {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.cap:first-child { border-top: none; padding-top: 0; }
@media (max-width: 640px) { .cap { grid-template-columns: 1fr; gap: 6px; } }
.cap .label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
}
.cap p { margin: 0; color: var(--ink-soft); max-width: 58ch; }

/* -- approach -- */
.approach p { max-width: 62ch; color: var(--ink-soft); }
.approach p + p { margin-top: 14px; }
.approach strong { color: var(--ink); }

/* -- contact -- */
form.contact {
  max-width: 480px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 10px 12px;
  transition: border-color 150ms var(--ease-out);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.field textarea { resize: vertical; min-height: 110px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* -- footer -- */
footer.site {
  padding: 28px 0 40px;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}