:root {
  --bg: #fafaf9;
  --card: #ffffff;
  --fg: #1b1b1b;
  --muted: #66665f;
  --line: #e3e3df;
  --accent: #1a7f37;
  --shadow: rgba(0, 0, 0, .10);
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141414;
    --card: #1b1b1a;
    --fg: #e7e7e4;
    --muted: #9b9b95;
    --line: #2a2a28;
    --accent: #56d364;
    --shadow: rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #141414;
  --card: #1b1b1a;
  --fg: #e7e7e4;
  --muted: #9b9b95;
  --line: #2a2a28;
  --accent: #56d364;
  --shadow: rgba(0, 0, 0, .45);
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1rem 2.5rem;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(12px);
  backdrop-filter: saturate(1.5) blur(12px);
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 46rem;
  margin: 0 auto;
  padding: .8rem 1rem;
}

.brand {
  font: 700 1.2rem var(--mono);
  color: var(--fg);
  text-decoration: none;
  letter-spacing: .02em;
}
.brand span { color: var(--muted); }

nav { display: flex; align-items: center; gap: 1.25rem; font-size: .95rem; }
nav a { color: var(--muted); text-decoration: none; transition: color .15s; }
nav a:hover { color: var(--fg); }

nav .lang {
  font: .8rem var(--mono);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .1rem .45rem;
}

.theme {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin: 0 -.4rem 0 -.5rem;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, background-color .15s;
}
.theme:hover { color: var(--fg); background: var(--line); }

.theme svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme .sun { display: none; }
:root[data-theme="dark"] .theme .sun { display: block; }
:root[data-theme="dark"] .theme .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .sun { display: block; }
  :root:not([data-theme="light"]) .theme .moon { display: none; }
}

@media (max-width: 420px) {
  nav { gap: .85rem; }
}

section { margin-top: 4.5rem; }

.label {
  font: .8rem var(--mono);
  color: var(--accent);
  margin: 0 0 .9rem;
}
.label::before { content: "# "; opacity: .6; }

.hero { margin-top: 4.5rem; }

h1 {
  font-size: clamp(1.75rem, 5.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 1.25rem;
}

.lead { font-size: 1.05rem; color: var(--muted); margin: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem;
}

.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .services { grid-template-columns: 1fr 1fr; }
}

.services .card {
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.services .card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -14px var(--shadow);
}

.services h2 {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 .75rem;
}

.ico {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 9px;
  color: var(--accent);
  background: var(--line);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.ico svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.services ul { list-style: none; margin: 0; padding: 0; font-size: .95rem; }
.services li { position: relative; padding-left: 1.1rem; margin: .35rem 0; }
.services li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.cta { font-size: 1.05rem; }
.cta a { font: 600 1.15rem var(--mono); }

.company {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .45rem 1.5rem;
  margin: 1.75rem 0 0;
  font-size: .95rem;
}
.company dt { color: var(--muted); }
.company dd { margin: 0; overflow-wrap: anywhere; }

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  margin-top: 5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}

.visitor {
  flex-basis: 100%;
  font: .72rem var(--mono);
  opacity: .65;
  overflow-wrap: anywhere;
}

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .services .card { transition: none; }
}