:root {
  --bg: #070c11;
  --bg-2: #0a1118;
  --panel: #0d1620;
  --line: #16303a;
  --cyan: #22d3ee;
  --cyan-dim: #0e7490;
  --text: #e6fbff;
  --muted: #8aa3ab;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --max: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 56px 56px,
    radial-gradient(ellipse at 75% 0%, #0b3340 0%, var(--bg) 55%);
  background-color: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
/* fade grid so content stays readable */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(7,12,17,.35), var(--bg) 85%);
  pointer-events: none;
  z-index: -1;
}

a { color: var(--cyan); }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }
img { max-width: 100%; height: auto; display: block; }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: #001014; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* nav */
.nav {
  max-width: var(--max); margin: 0 auto; padding: 20px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font: 600 15px var(--mono); letter-spacing: .18em; }
.nav nav { display: flex; align-items: center; gap: 18px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav nav a:hover { color: var(--text); }
.nav-cta { border: 1px solid var(--cyan-dim); padding: 6px 14px; border-radius: 6px; color: var(--cyan) !important; }

/* layout */
main, .footer { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.section { padding: 72px 0 24px; }
.eyebrow { font: 500 13px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cyan); margin: 0 0 12px; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-bottom: 28px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; padding: 48px 0 40px; }
.lead { color: #b9d2d8; font-size: 1.1rem; max-width: 56ch; margin: 20px 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px; text-decoration: none; cursor: pointer;
  border: 1px solid var(--cyan-dim); color: var(--text); background: transparent; font: 600 15px var(--sans);
}
.btn:hover { border-color: var(--cyan); color: #fff; }
.btn.primary { background: var(--cyan); border-color: var(--cyan); color: #001014; }
.btn.primary:hover { background: #67e8f9; color: #001014; }
.btn:disabled { opacity: .6; cursor: wait; }

.hero-photo { margin: 0; position: relative; justify-self: center; max-width: 380px; }
.hero-photo img {
  border-radius: 14px; border: 2px solid var(--cyan);
  box-shadow: 0 0 0 6px rgba(34,211,238,.08), 0 0 48px rgba(34,211,238,.28);
}
.hero-photo figcaption {
  position: absolute; left: 12px; bottom: 12px; right: 12px;
  background: rgba(7,12,17,.82); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px; font: 13px var(--mono); color: var(--muted); backdrop-filter: blur(6px);
}
.hero-photo figcaption strong { display: block; color: var(--text); font-size: 15px; font-family: var(--sans); }

/* proof */
.proof ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: 12px; background: rgba(10,17,24,.8); overflow: hidden;
}
.proof li { padding: 22px 20px; border-right: 1px solid var(--line); }
.proof li:last-child { border-right: 0; }
.proof b { display: block; font: 700 1.5rem var(--mono); color: var(--cyan); margin-bottom: 6px; }
.proof span { color: var(--muted); font-size: .9rem; line-height: 1.4; display: block; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 24px;
  position: relative; transition: border-color .2s, transform .2s;
}
.card::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 3px; background: var(--cyan); border-radius: 0 3px 3px 0; }
.card:hover { border-color: var(--cyan-dim); transform: translateY(-2px); }
.card p { margin: 0; color: #a9c1c8; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.about-grid p { margin: 0; color: #b9d2d8; }
.facts { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); padding-left: 24px; }
.facts li { margin-bottom: 12px; color: #a9c1c8; font-size: .95rem; }
.facts li::before { content: "> "; color: var(--cyan); font-family: var(--mono); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font: 500 13px var(--mono); letter-spacing: .06em; color: var(--muted); }
input, textarea {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; color: var(--text);
  font: 16px var(--sans); padding: 12px 14px; width: 100%;
}
input:focus, textarea:focus { border-color: var(--cyan); outline: none; box-shadow: 0 0 0 3px rgba(34,211,238,.18); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#form-status { margin: 0; min-height: 1.5em; font-size: .95rem; }
#form-status.ok { color: #6ee7b7; }
#form-status.err { color: #fca5a5; }
.contact-side p { margin-top: 0; }

/* footer */
.footer {
  margin-top: 72px; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; font-size: .9rem;
}
.footer address { font-style: normal; color: var(--muted); margin-top: 6px; }
.footer p { margin: 0; max-width: 38ch; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .hero-photo { order: -1; max-width: 300px; }
  .proof ul { grid-template-columns: repeat(2, 1fr); }
  .proof li:nth-child(2) { border-right: 0; }
  .proof li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cards, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .facts { border-left: 0; padding-left: 0; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .nav nav a:not(.nav-cta) { display: none; }
  .proof ul { grid-template-columns: 1fr; }
  .proof li { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof li:last-child { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
.proof li:last-child b { font-size: 1.1rem; margin-top: .3rem; margin-bottom: 9px; }
.center { text-align: center; }
.center-lead { margin-inline: auto; }