/* Automata Systems — stylesheet
   Dark, tech-forward. Near-black + signal green. Space Grotesk + IBM Plex Mono. */

:root {
  --bg: #0b0d10;
  --bg2: #111419;
  --bg3: #161a21;
  --border: #232930;
  --text: #e8eaed;
  --muted: #9aa1a9;
  --accent: #3ddc84;
  --accent-strong: #2fb872;
  --accent-dim: rgba(61, 220, 132, 0.12);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --maxw: 1140px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-display);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3, h4 { line-height: 1.15; color: #fff; margin: 0 0 .5rem; letter-spacing: -0.02em; }
p { margin: 0 0 1rem; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 13, 16, 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: #fff; text-decoration: none; white-space: nowrap; letter-spacing: -0.01em; }
.brand .dot { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: .95rem; }
.site-nav a:hover { color: #fff; }
.site-nav a.active { color: #fff; }
.site-nav a.active::after { content: ""; display: block; height: 2px; background: var(--accent); border-radius: 2px; margin-top: 3px; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: all .16s ease; min-height: 44px;
}
.btn-primary { background: var(--accent); color: #07120b; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: .88rem; min-height: 38px; }

/* ---------- Hero ---------- */
.hero { padding: 72px 24px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; max-width: var(--maxw); margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(61,220,132,.5); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(61,220,132,.5);} 70% { box-shadow: 0 0 0 8px rgba(61,220,132,0);} 100% { box-shadow: 0 0 0 0 rgba(61,220,132,0);} }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.4rem); font-weight: 700; margin-bottom: 18px; }
.hero h1 .hl { color: var(--accent); }
.hero .lede { font-size: 1.15rem; color: var(--muted); max-width: 40ch; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); margin-top: 22px; }

/* ---------- Terminal panel ---------- */
.terminal { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg3); }
.terminal-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #2a3038; }
.terminal-bar .dot:nth-child(1) { background: #ff5f57; }
.terminal-bar .dot:nth-child(2) { background: #febc2e; }
.terminal-bar .dot:nth-child(3) { background: #28c840; }
.terminal-title { margin-left: 10px; font-family: var(--font-mono); font-size: .75rem; color: var(--muted); }
.terminal-body { padding: 20px; font-family: var(--font-mono); font-size: .86rem; line-height: 1.9; }
.t-line { margin: 0; color: var(--muted); }
.t-line .t-prompt { color: var(--accent); }
.t-line.t-ok { color: var(--text); }
.t-line.t-ok .t-check { color: var(--accent); }
.t-line.t-cursor { color: var(--accent); }
.t-line.t-cursor::after { content: "▊"; animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { padding: 80px 24px; }
.section--alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.section-head p { color: var(--muted); font-size: 1.06rem; }

/* ---------- Service cards ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: border-color .15s ease; }
.card:hover { border-color: var(--accent); }
.card .tag { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em; color: var(--accent); display: block; margin-bottom: 12px; }
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .97rem; margin: 0 0 14px; }
.card .price { font-family: var(--font-mono); font-size: .88rem; color: var(--text); }
.card .price span { color: var(--muted); font-size: .78rem; }
.card--accent { background: var(--accent-dim); border-color: rgba(61,220,132,.35); }
.card--accent h3 { color: #fff; }

/* ---------- Why / values ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.why-item h3 { font-size: 1.15rem; margin-bottom: 8px; }
.why-item h3 .num { font-family: var(--font-mono); color: var(--accent); margin-right: 10px; font-size: .9rem; }
.why-item p { color: var(--muted); font-size: .98rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { padding-top: 18px; border-top: 2px solid var(--accent); }
.step .step-num { font-family: var(--font-mono); font-size: .9rem; color: var(--accent); display: block; margin-bottom: 8px; }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent-dim); border-top: 1px solid rgba(61,220,132,.25); padding: 72px 24px; }
.cta-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 12px; }
.cta-inner p { color: var(--muted); font-size: 1.08rem; margin-bottom: 28px; }

/* ---------- Page hero (interior) ---------- */
.page-hero { padding: 64px 24px; border-bottom: 1px solid var(--border); }
.page-hero .container { max-width: var(--maxw); margin: 0 auto; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 14px; }
.page-hero p { color: var(--muted); max-width: 62ch; font-size: 1.1rem; margin: 0; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.form label { font-weight: 600; font-size: .9rem; color: var(--text); }
.form input, .form textarea, .form select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 9px; font-family: var(--font-display); font-size: 1rem;
  color: var(--text); background: var(--bg2);
}
.form input:focus, .form textarea:focus, .form select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-dim); }
.form .btn { justify-self: start; }

/* ---------- Contact layout ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: start; }
.contact-list { list-style: none; margin: 0 0 24px; padding: 0; }
.contact-list li { display: flex; gap: 12px; align-items: baseline; padding: 13px 0; border-bottom: 1px solid var(--border); }
.contact-list strong { color: var(--text); min-width: 84px; font-size: .9rem; }
.contact-list span, .contact-list a { color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 56px 24px 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 32px; max-width: var(--maxw); margin: 0 auto; }
.site-footer .brand { color: #fff; }
.site-footer h4 { color: #fff; font-size: .9rem; margin-bottom: 14px; letter-spacing: .02em; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 9px; font-size: .95rem; color: var(--muted); }
.footer-bottom { max-width: var(--maxw); margin: 36px auto 0; padding-top: 20px; border-top: 1px solid var(--border); font-size: .85rem; color: #5c636c; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---------- Focus & motion ---------- */
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 48px 24px; }
  .grid-2, .grid-3, .why-grid, .steps, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle-label {
    display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; cursor: pointer;
  }
  .nav-toggle-label span { position: relative; width: 22px; height: 2px; background: var(--text); }
  .nav-toggle-label span::before, .nav-toggle-label span::after {
    content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--text); transition: transform .2s ease;
  }
  .nav-toggle-label span::before { top: -6px; }
  .nav-toggle-label span::after { top: 6px; }
  .nav-toggle:checked ~ .nav-toggle-label span { background: transparent; }
  .nav-toggle:checked ~ .nav-toggle-label span::before { transform: translateY(6px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-toggle-label span::after { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    position: absolute; top: 68px; left: 0; right: 0; background: var(--bg2);
    flex-direction: column; align-items: stretch; gap: 0; padding: 6px 24px 18px;
    border-bottom: 1px solid var(--border); display: none;
  }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--border); color: var(--muted); }
  .site-nav a.active::after { display: none; }
  .nav-toggle:checked ~ .site-nav { display: flex; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}