/* =========================================================
   procom.dev — static build
   palette : deep navy + revolution red, terminal accents
   type    : IBM Plex Mono (labels/display) + IBM Plex Sans (body)
   ========================================================= */

:root {
  --bg:      #0E142C;
  --bg-2:    #111834;
  --panel:   #151d3d;
  --panel-2: #1b2450;
  --ink:     #EAEEF8;
  --ink-dim: #8f9ac0;
  --line:    rgba(255, 255, 255, 0.09);
  --red:     #FF3B54;
  --red-dim: rgba(255, 59, 84, 0.14);

  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --maxw: 1120px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle grid backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: 0.5;
}

a { color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 680px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--red); color: #fff; padding: 10px 16px; z-index: 100;
  font-family: var(--mono);
}
.skip-link:focus { left: 12px; top: 12px; }

/* blinking cursor */
.cursor { color: var(--red); font-weight: 500; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 20, 44, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav__brand { font-family: var(--mono); font-weight: 600; font-size: 1.05rem; text-decoration: none; letter-spacing: -0.02em; }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a { font-family: var(--mono); font-size: 0.86rem; text-decoration: none; color: var(--ink-dim); transition: color 0.18s; }
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  border: 1px solid var(--red); color: var(--red) !important;
  padding: 7px 14px; border-radius: var(--radius); transition: all 0.18s;
}
.nav__cta:hover { background: var(--red); color: #fff !important; }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 88px; }
.hero__eyebrow { font-family: var(--mono); color: var(--red); font-size: 0.85rem; letter-spacing: 0.05em; margin: 0 0 22px; }
.hero__title {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(2.9rem, 9vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
}
.hero__lead { font-size: 1.28rem; max-width: 620px; color: var(--ink); margin: 0 0 12px; }
.hero__rotator { font-family: var(--mono); color: var(--ink-dim); font-size: 1.05rem; margin: 0 0 36px; }
.rotator { display: inline-block; min-width: 6ch; text-align: center; }
.rotator__word { color: var(--red); font-weight: 500; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block; font-family: var(--mono); font-size: 0.9rem; font-weight: 500;
  padding: 12px 22px; border-radius: var(--radius); text-decoration: none;
  cursor: pointer; border: 1px solid transparent; transition: all 0.18s;
}
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: #ff2543; transform: translateY(-1px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink-dim); }

/* ---------- Sections ---------- */
.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section--alt { background: var(--bg-2); }
.section__title {
  font-family: var(--mono); font-weight: 600;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  letter-spacing: -0.02em; margin: 0 0 44px;
}

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 20px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(255, 59, 84, 0.4); transform: translateY(-2px); }
.card__label { font-family: var(--mono); color: var(--red); font-size: 0.9rem; margin: 0 0 16px; }
.card p { margin: 0 0 14px; color: var(--ink); }
.card p:last-of-type { margin-bottom: 0; }
.card strong { color: var(--ink); font-weight: 600; }
.card__list { list-style: none; margin: 0; padding: 0; }
.card__list li { padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--ink-dim); font-size: 0.96rem; }
.card__list li:last-child { border-bottom: none; }

.link { font-family: var(--mono); font-size: 0.88rem; color: var(--red); text-decoration: none; display: inline-block; margin-top: 6px; }
.link:hover { text-decoration: underline; }

/* tech stack row */
.stack { display: flex; flex-wrap: wrap; gap: 10px; margin: 34px 0 0; padding: 0; }
.stack span {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 13px;
}

/* ---------- Featured product ---------- */
.feature {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  border-left: 3px solid var(--red);
  padding: 34px; margin-bottom: 34px;
}
.feature__title { font-family: var(--mono); font-size: 1.7rem; margin: 6px 0 14px; letter-spacing: -0.02em; }
.feature__body p { color: var(--ink); }
.feature__note { font-size: 0.82rem; color: var(--ink-dim); border-top: 1px solid var(--line); padding-top: 16px; margin-top: 20px; line-height: 1.55; }

/* ---------- Clients ---------- */
.clients { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.client {
  font-family: var(--mono); font-size: 1.05rem; text-align: center;
  padding: 40px 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink);
}

/* ---------- Contact form ---------- */
.contact__lead { color: var(--ink-dim); margin: -28px 0 34px; }
.form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field > span { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-dim); }
.field input, .field textarea {
  font-family: var(--sans); font-size: 1rem; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; width: 100%; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--red); outline-offset: 1px; border-color: transparent; }
.field--check { flex-direction: row; align-items: center; gap: 10px; }
.field--check span { font-family: var(--sans); font-size: 0.92rem; color: var(--ink-dim); }
.field--check a { color: var(--red); }
.hp { position: absolute; left: -9999px; }
.form__status { font-family: var(--mono); font-size: 0.88rem; margin: 4px 0 0; min-height: 1.2em; }
.form__status.ok { color: #4ade80; }
.form__status.err { color: var(--red); }
.contact__direct { margin-top: 22px; color: var(--ink-dim); font-size: 0.95rem; }
.contact__direct .link { font-size: 0.95rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 44px 0; background: var(--bg-2); }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer__brand { font-family: var(--mono); font-weight: 600; margin: 0 0 8px; }
.footer__muted { color: var(--ink-dim); font-size: 0.9rem; margin: 0; }
.footer__meta { text-align: right; }
.footer__meta p { color: var(--ink-dim); font-size: 0.9rem; margin: 0 0 8px; }
.footer__meta nav { display: flex; gap: 16px; justify-content: flex-end; }
.footer__meta a { font-family: var(--mono); font-size: 0.82rem; color: var(--ink-dim); text-decoration: none; }
.footer__meta a:hover { color: var(--ink); }

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .nav__links { gap: 16px; }
  .nav__links a:not(.nav__cta) { display: none; }
  .grid--4, .grid--2, .clients { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 60px; }
  .footer__inner { flex-direction: column; }
  .footer__meta { text-align: left; }
  .footer__meta nav { justify-content: flex-start; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .cursor { opacity: 1; }
}