:root {
  --bg: #0b0d0f;
  --panel: #111417;
  --panel-2: #171b1f;
  --line: #2b3137;
  --line-strong: #424b53;
  --text: #f1f3f4;
  --muted: #a4adb4;
  --soft: #737d85;
  --accent: #ff6b2c;
  --accent-soft: #ffb08d;
  --ok: #7ed39a;
  --warning: #ffc766;
  --error: #ff7b72;
  --max: 1180px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

button, input, textarea, select { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--accent);
  color: #0b0d0f;
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus { top: 16px; }

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(66,75,83,.72);
  background: rgba(11,13,15,.92);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #0b0d0f;
  background: var(--accent);
  font: 800 .82rem/1 var(--mono);
}

.brand-text span {
  display: block;
  color: var(--soft);
  font: 500 .68rem/1.15 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: .9rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover { color: var(--text); }

.language-switch {
  display: inline-flex;
  border: 1px solid var(--line-strong);
}

.language-switch button {
  border: 0;
  padding: 7px 9px;
  color: var(--soft);
  background: transparent;
  cursor: pointer;
  font: 700 .74rem/1 var(--mono);
}

.language-switch button[aria-pressed="true"] {
  color: #0b0d0f;
  background: var(--text);
}

.mobile-nav-toggle { display: none; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-soft);
  font: 700 .78rem/1.2 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: 64px;
  min-height: calc(100vh - 72px);
  align-items: center;
  padding: 96px 0 72px;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.2rem, 7.5vw, 7rem);
  line-height: .94;
  letter-spacing: -.072em;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--accent);
  font-style: normal;
}

.hero-copy {
  max-width: 670px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.8vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-note {
  margin: 18px 0 0;
  color: var(--soft);
  font: 600 .68rem/1.4 var(--mono);
  letter-spacing: .055em;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 19px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
  font-weight: 720;
  cursor: pointer;
}

.button:hover { border-color: var(--text); }
.button.primary { border-color: var(--accent); color: #0b0d0f; background: var(--accent); }
.button.primary:hover { background: #ff7c45; }

.hero-panel {
  border: 1px solid var(--line-strong);
  background: rgba(17,20,23,.86);
}

.panel-head,
.panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: var(--soft);
  border-bottom: 1px solid var(--line);
  font: 600 .7rem/1.2 var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.panel-foot { border-top: 1px solid var(--line); border-bottom: 0; }

.online { color: var(--ok); }

.signal-stack { padding: 18px; }

.signal-row {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  border-bottom: 1px solid var(--line);
}

.signal-row:last-child { border-bottom: 0; }

.signal-code {
  color: var(--accent-soft);
  font: 700 .75rem/1 var(--mono);
}

.signal-name { font-weight: 700; }

.signal-meta {
  color: var(--soft);
  font: 500 .68rem/1.2 var(--mono);
  text-align: right;
}

.status-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--panel);
}

.status-item {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.status-item:last-child { border-right: 0; }

.status-item strong { display: block; font-size: 1.1rem; }
.status-item span { color: var(--soft); font: 500 .72rem/1.2 var(--mono); text-transform: uppercase; }

.section {
  padding: 112px 0;
  border-bottom: 1px solid var(--line-strong);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(190px, .35fr) minmax(0, 1fr);
  gap: 64px;
}

.section-index {
  color: var(--soft);
  font: 600 .78rem/1.2 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section h2 {
  max-width: 820px;
  margin: 0 0 52px;
  font-size: clamp(2.3rem, 4.2vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.capability-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.capability,
.project-card {
  min-height: 250px;
  padding: 28px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(17,20,23,.74);
}

.capability-number,
.project-type {
  color: var(--accent-soft);
  font: 700 .72rem/1.2 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.capability h3,
.project-card h3 {
  margin: 54px 0 12px;
  font-size: 1.45rem;
  letter-spacing: -.025em;
}

.capability p,
.project-card p { margin: 0; color: var(--muted); }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 24px;
}

.tag {
  padding: 5px 8px;
  border: 1px solid var(--line);
  color: var(--soft);
  font: 600 .68rem/1.1 var(--mono);
  text-transform: uppercase;
}

.project-card { min-height: 340px; display: flex; flex-direction: column; }
.project-card h3 { margin-top: 78px; }
.project-card .tag-list { margin-top: auto; padding-top: 30px; }

.tool-feature {
  display: grid;
  grid-template-columns: 1fr .86fr;
  gap: 1px;
  border: 1px solid var(--line-strong);
  background: var(--line-strong);
}

.tool-copy,
.tool-readout { padding: clamp(28px, 5vw, 56px); background: var(--panel); }

.tool-copy h3 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 3.6vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.tool-copy p { max-width: 580px; margin: 0; color: var(--muted); font-size: 1.08rem; }
.tool-copy .button { margin-top: 30px; }

.readout-line {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font: 600 .78rem/1.3 var(--mono);
}

.readout-line:last-child { border-bottom: 0; }
.readout-line .ok { color: var(--ok); }
.readout-line .warn { color: var(--warning); }
.readout-line span:last-child { color: var(--soft); }

.timeline { border-top: 1px solid var(--line-strong); }

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item time { color: var(--accent-soft); font: 700 .76rem/1.5 var(--mono); }
.timeline-item h3 { margin: 0 0 6px; font-size: 1.16rem; }
.timeline-item p { margin: 0; color: var(--muted); }

.contact-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}

.contact-block h2 { margin-bottom: 0; }
.contact-copy p { max-width: 690px; margin: 22px 0 0; color: var(--muted); font-size: 1.05rem; }
.contact-links { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.contact-links a { color: var(--muted); text-underline-offset: 5px; }
.contact-links a:hover { color: var(--text); }
.contact-links .button { color: #0b0d0f; text-decoration: none; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 46px;
  color: var(--soft);
  font: 500 .72rem/1.4 var(--mono);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 58px; }
  .hero-panel { max-width: 620px; }
  .section-grid { grid-template-columns: 1fr; gap: 24px; }
  .section-index { margin-bottom: 10px; }
  .tool-feature { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 64px; }
  .brand-text { display: none; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 64px; padding: 22px; border-bottom: 1px solid var(--line-strong); background: var(--bg); flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .mobile-nav-toggle { display: inline-flex; padding: 8px 10px; border: 1px solid var(--line-strong); color: var(--text); background: transparent; font: 700 .72rem/1 var(--mono); }
  .hero { padding: 72px 0 56px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5.4rem); }
  .status-bar { grid-template-columns: repeat(2, 1fr); }
  .status-item:nth-child(2) { border-right: 0; }
  .status-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section { padding: 82px 0; }
  .capability-grid, .project-grid { grid-template-columns: 1fr; }
  .capability, .project-card { min-height: 0; }
  .capability h3, .project-card h3 { margin-top: 42px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .contact-block { grid-template-columns: 1fr; align-items: start; }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}