:root {
  --paper: #fafaf8;
  --paper-alt: #f3f2ed;
  --ink: #14151a;
  --ink-soft: #4a4d57;
  --ink-faint: #8a8d96;
  --line: #e4e2d9;
  --accent: #4f46e5;
  --accent-ink: #3a32c7;
  --accent-wash: #eceaff;
  --radius: 14px;
  --wrap: 1080px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(var(--wrap), 92vw); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,248,.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 1.5rem;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: .55rem; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  font-family: var(--mono); font-weight: 700; font-size: 1.15rem;
  background: var(--ink); color: #fff; width: 30px; height: 30px;
  display: grid; place-items: center; border-radius: 8px;
}
.brand-mark .dot { color: var(--accent); }
.brand-name { font-size: .98rem; letter-spacing: -.01em; }

.nav { margin-left: auto; display: flex; gap: 1.4rem; }
.nav a {
  color: var(--ink-soft); font-size: .9rem; font-weight: 500;
}
.nav a:hover { color: var(--ink); text-decoration: none; }

.lang-toggle {
  font-family: var(--mono); font-size: .78rem; font-weight: 700;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: .35rem .6rem; border-radius: 8px; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent-ink); }

/* ---------- Hero ---------- */
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.5rem, 6vw, 4rem); }
.eyebrow {
  font-family: var(--mono); font-size: .82rem; font-weight: 500;
  color: var(--accent-ink); letter-spacing: .02em; margin: 0 0 1.2rem;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.04; letter-spacing: -.03em; font-weight: 800;
  margin: 0 0 1.3rem; max-width: 16ch;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-soft); max-width: 60ch; margin: 0 0 2rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .98rem; padding: .85rem 1.4rem;
  border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px -8px rgba(79,70,229,.7); }
.btn-primary:hover { background: var(--accent-ink); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt { background: var(--paper-alt); border-block: 1px solid var(--line); }

.section-head { margin-bottom: 2.6rem; max-width: 70ch; }
.section-no {
  font-family: var(--mono); font-size: .8rem; font-weight: 700;
  color: var(--accent); display: block; margin-bottom: .5rem;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800;
  letter-spacing: -.02em; margin: 0;
}
.section-intro { font-size: 1.1rem; color: var(--ink-soft); margin: 1rem 0 0; }

/* About grid */
.section-grid { display: grid; grid-template-columns: 220px 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
.section-grid .section-head { margin-bottom: 0; }
.lead { font-size: 1.18rem; color: var(--ink); margin-top: 0; }
.section-body p { color: var(--ink-soft); }

.tags { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.tags li {
  font-family: var(--mono); font-size: .78rem; color: var(--ink-soft);
  background: #fff; border: 1px solid var(--line); padding: .35rem .65rem; border-radius: 999px;
}

/* ---------- Project cards ---------- */
.cards { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
@media (min-width: 720px) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; display: flex; flex-direction: column;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -22px rgba(20,21,26,.35); border-color: #d6d3c8; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .8rem; }
.card-id { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.card-logo {
  width: 44px; height: 44px; flex: 0 0 auto;
  border-radius: 11px; overflow: hidden; display: grid; place-items: center;
  border: 1px solid var(--line);
}
.card-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.card-logo--mark { background: var(--paper-alt); padding: 8px; }
.card-title { font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; margin: 0; overflow-wrap: anywhere; }
.card-status {
  font-family: var(--mono); font-size: .68rem; font-weight: 700; text-transform: uppercase;
  padding: .25rem .55rem; border-radius: 999px; white-space: nowrap;
}
.status-beta { background: #fff4e5; color: #9a5b00; }
.status-live { background: #e6f7ee; color: #11774e; }
.status-oss { background: var(--accent-wash); color: var(--accent-ink); }

.card-tagline { color: var(--ink-soft); font-size: .98rem; margin: 0 0 1rem; }
.card-points { list-style: none; padding: 0; margin: 0 0 1.1rem; display: grid; gap: .5rem; }
.card-points li {
  position: relative; padding-left: 1.3rem; font-size: .9rem; color: var(--ink-soft);
}
.card-points li::before {
  content: "›"; position: absolute; left: .2rem; top: -.05rem;
  color: var(--accent); font-weight: 700; font-family: var(--mono);
}
.chips { list-style: none; padding: 0; margin: auto 0 1.1rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.chips li {
  font-family: var(--mono); font-size: .72rem; color: var(--ink-faint);
  border: 1px solid var(--line); padding: .25rem .5rem; border-radius: 6px;
}
.card-links { display: flex; flex-wrap: wrap; gap: 1rem; padding-top: .9rem; border-top: 1px solid var(--line); }
.card-links a { font-size: .88rem; font-weight: 600; }

.projects-more { margin-top: 2rem; color: var(--ink-soft); font-size: .98rem; }

/* ---------- Offer ---------- */
.offer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.2rem; margin-bottom: 3rem; }
.offer-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.offer-icon {
  display: inline-grid; place-items: center; width: 42px; height: 42px;
  background: var(--accent-wash); color: var(--accent-ink); border-radius: 10px;
  font-size: 1.25rem; margin-bottom: 1rem;
}
.offer-card h3 { font-size: 1.12rem; margin: 0 0 .5rem; letter-spacing: -.01em; }
.offer-card p { color: var(--ink-soft); font-size: .94rem; margin: 0; }

.offer-build { background: var(--ink); color: #fff; border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.6rem); }
.offer-build-h { margin: 0 0 1.4rem; font-size: 1.3rem; letter-spacing: -.01em; }
.offer-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .8rem 2rem; }
.offer-list li { position: relative; padding-left: 1.6rem; color: #d9dae0; font-size: .98rem; }
.offer-list li::before { content: "✓"; position: absolute; left: 0; color: #8b84ff; font-weight: 700; }

/* ---------- Process ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; counter-reset: step; }
.step { border-top: 2px solid var(--accent); padding-top: 1.1rem; }
.step-no { font-family: var(--mono); font-size: .85rem; font-weight: 700; color: var(--accent); }
.step h3 { font-size: 1.1rem; margin: .5rem 0 .5rem; letter-spacing: -.01em; }
.step p { color: var(--ink-soft); font-size: .94rem; margin: 0; }

/* ---------- Contact ---------- */
.contact-lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 56ch; margin: 0 0 1.8rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.6rem; }
.contact-meta { display: flex; flex-wrap: wrap; gap: .6rem; font-family: var(--mono); font-size: .85rem; color: var(--ink-faint); margin: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .85rem; color: var(--ink-faint); }
.footer-note { font-family: var(--mono); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav { display: none; }
  .section-grid { grid-template-columns: 1fr; }
  .header-inner { gap: 1rem; }
}

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