:root {
  --bg: #1f2b1f;
  --bg-hero: #334433;
  --panel: rgba(28, 40, 28, 0.88);
  --line: rgba(170, 204, 170, 0.22);
  --text: #dfe8df;
  --muted: #a9b8a9;
  --accent: #aca;
  --accent-strong: #3c3;
  --err: #f19a8a;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--bg-hero);
}

a { color: var(--accent); }

h1, h2, h3, .brand { font-family: var(--mono); font-weight: 700; color: var(--accent); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(31, 43, 31, 0.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; height: 56px; }
.brand { text-decoration: none; font-size: 20px; letter-spacing: 2px; }
.site-header nav { margin-left: auto; display: flex; gap: 18px; font-family: var(--mono); font-size: 14px; }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover { color: var(--accent); }
.lang { border: 1px solid var(--line); border-radius: 4px; padding: 2px 8px; }
@media (max-width: 640px) { .site-header nav .opt { display: none; } }

/* Hero */
.hero { min-height: calc(100vh - 56px); display: flex; align-items: center; text-align: center; }
.hero .wrap { width: 100%; }
.hero h1 { font-size: clamp(44px, 10vw, 88px); margin: 0; letter-spacing: 6px; line-height: 1.1; }
.hero h1 small { display: block; font-size: 0.35em; letter-spacing: 3px; color: var(--muted); }
.hero p.lead { font-size: clamp(18px, 2.6vw, 24px); max-width: 720px; margin: 24px auto 32px; color: var(--text); }
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 16px;
  padding: 12px 24px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #1f2b1f;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost { background: transparent; color: var(--accent); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section.block { padding: 72px 0; background: var(--panel); border-top: 1px solid var(--line); }
section.block h2 { font-size: clamp(26px, 4vw, 34px); margin: 0 0 8px; }
section.block .intro { color: var(--muted); max-width: 720px; margin: 0 0 32px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.services { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 6px; padding: 20px; background: rgba(51, 68, 51, 0.5); }
.card h3 { font-size: 18px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.case { display: grid; gap: 32px; grid-template-columns: 1.2fr 1fr; align-items: start; }
@media (max-width: 760px) { .case { grid-template-columns: 1fr; } }
.case ul { padding-left: 20px; margin: 0; }
.case li { margin-bottom: 8px; }
.pipeline { font-family: var(--mono); font-size: 14px; border: 1px solid var(--line); border-radius: 6px; padding: 20px; background: rgba(51, 68, 51, 0.5); }
.pipeline ol { margin: 0; padding-left: 22px; }
.pipeline li { margin-bottom: 10px; color: var(--muted); }
.pipeline li strong { color: var(--accent); font-weight: 600; }

.soon { font-family: var(--mono); font-size: 12px; color: var(--accent-strong); border: 1px solid var(--accent-strong); border-radius: 3px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; }

/* Contact form */
.contact { display: grid; gap: 32px; grid-template-columns: 1fr 1.3fr; }
@media (max-width: 760px) { .contact { grid-template-columns: 1fr; } }
form .row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 520px) { form .row { grid-template-columns: 1fr; } }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 14px; }
input, textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: rgba(15, 22, 15, 0.7);
  border: 1px solid var(--line);
  border-radius: 4px;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { min-height: 140px; resize: vertical; }
label.check { display: flex; gap: 10px; align-items: flex-start; }
label.check input { width: auto; margin-top: 5px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.6em; font-family: var(--mono); font-size: 15px; margin-top: 12px; }
.form-status.ok { color: var(--accent-strong); }
.form-status.err { color: var(--err); }
details { font-size: 14px; color: var(--muted); margin-top: 12px; }

/* Footer */
footer { padding: 24px 0; background: var(--bg); border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

a.card-link { display: block; text-decoration: none; color: inherit; border-color: var(--accent); transition: background 0.15s; }
a.card-link:hover { background: rgba(51, 68, 51, 0.85); }
.card-cta { display: inline-block; margin-top: 12px; font-family: var(--mono); color: var(--accent); }