/* ---------- Self-hosted fonts (no third-party requests) ---------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/SpaceGrotesk.woff2") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/IBMPlexSans.woff2") format("woff2");
  font-weight: 100 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ============================================================
   Meezak Systems GmbH — site styles
   Palette: charcoal base, signal-cyan, threat-amber
   Type: Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   ============================================================ */

:root {
  --bg:       #16181b;
  --bg-2:     #1c1f23;
  --bg-3:     #23272d;
  --line:     #2c323a;
  --line-2:   #3a424c;
  --ink:      #e9ecef;
  --ink-2:    #aab2bc;
  --ink-3:    #79828d;
  --white:    #f4f6f8;
  --signal:   #57c9d9;
  --signal-2: #7fdbe8;
  --signal-dim: rgba(87, 201, 217, 0.12);
  --threat:   #e2a24c;

  --maxw: 1120px;
  --gutter: 24px;

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--signal); text-decoration: none; }
a:hover { color: var(--signal-2); }

img, svg { display: block; max-width: 100%; }

::selection { background: var(--signal); color: #062327; }

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--signal);
  opacity: 0.7;
}

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.7rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }

p { margin: 0 0 1.1em; color: var(--ink-2); }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.22rem); color: var(--ink); max-width: 46ch; }

strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(22, 24, 27, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.brand {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.34em;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 11px;
}
.brand:hover { color: var(--white); }
.brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-dim);
}
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: 14px;
  color: var(--ink-2);
  letter-spacing: 0.01em;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1.5px; background: var(--signal);
}
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line-2); border-radius: 6px;
  width: 40px; height: 38px; cursor: pointer; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 17px; height: 1.6px; background: var(--ink);
  margin: 0 auto; position: relative; transition: 0.2s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section--flush { border-top: none; }
.section-head { max-width: 56ch; margin-bottom: 52px; }
.section-head p { margin-top: 18px; }

/* ============================================================
   Hero
   ============================================================ */
.hero { padding: 70px 0 84px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 24px; }
.hero .lead { margin-bottom: 34px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--line);
  font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-3);
  letter-spacing: 0.04em;
}
.hero-meta span { color: var(--ink-2); }

/* Radiation-pattern signature */
.pattern-stage {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 440px;
  margin-left: auto;
}
.pattern-stage svg { width: 100%; height: 100%; overflow: visible; }
.pattern-legend {
  position: absolute; bottom: -6px; left: 0;
  display: flex; gap: 20px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--ink-3); text-transform: uppercase;
}
.pattern-legend i { font-style: normal; display: inline-flex; align-items: center; gap: 7px; }
.pattern-legend i::before { content: ""; width: 9px; height: 9px; border-radius: 50%; }
.pattern-legend .sig::before { background: var(--signal); }
.pattern-legend .thr::before { background: var(--threat); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-body); font-size: 15px; font-weight: 500;
  padding: 13px 22px; border-radius: 7px; cursor: pointer;
  transition: 0.18s; border: 1px solid transparent;
}
.btn-primary { background: var(--signal); color: #06262b; }
.btn-primary:hover { background: var(--signal-2); color: #06262b; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--signal); color: var(--white); }
.btn .arr { transition: transform 0.18s; }
.btn:hover .arr { transform: translateX(3px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ============================================================
   Capability cards
   ============================================================ */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.cap {
  background: var(--bg-2); padding: 34px 32px;
  display: flex; flex-direction: column; gap: 14px;
  transition: background 0.18s;
}
.cap:hover { background: var(--bg-3); }
.cap-idx { font-family: var(--f-mono); font-size: 12px; color: var(--signal); letter-spacing: 0.1em; }
.cap h3 { color: var(--white); }
.cap p { margin: 0; font-size: 15.5px; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.tag {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.05em;
  color: var(--ink-2); background: var(--bg); border: 1px solid var(--line-2);
  padding: 4px 9px; border-radius: 5px;
}

/* ============================================================
   Positioning band
   ============================================================ */
.band {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 46px 44px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
}
.band-num {
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4rem); color: var(--signal);
  line-height: 1; letter-spacing: -0.03em;
}
.band p { margin: 0; }
.band p.big { font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--ink); font-family: var(--f-display); font-weight: 500; line-height: 1.4; }

/* ============================================================
   Services detail
   ============================================================ */
.svc { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 44px 0; border-top: 1px solid var(--line); }
.svc:first-of-type { border-top: none; padding-top: 0; }
.svc-label .eyebrow { margin-bottom: 14px; }
.svc-label h3 { font-size: 1.5rem; color: var(--white); font-family: var(--f-display); }
.svc-body p { margin-bottom: 0.9em; }
.svc-body ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.svc-body li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: 15.5px; }
.svc-body li::before { content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 1.5px; background: var(--signal); }

/* ============================================================
   About
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.facts { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.fact { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 18px 24px; border-top: 1px solid var(--line); background: var(--bg-2); }
.fact:first-child { border-top: none; }
.fact dt { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-3); text-transform: uppercase; margin: 0; }
.fact dd { margin: 0; color: var(--ink); font-size: 15px; }

.note {
  font-family: var(--f-mono); font-size: 12.5px; line-height: 1.6;
  color: var(--threat); background: rgba(226, 162, 76, 0.07);
  border: 1px dashed rgba(226, 162, 76, 0.35); border-radius: 8px;
  padding: 14px 16px; margin: 22px 0;
}
.note b { color: var(--threat); }

/* ============================================================
   Contact
   ============================================================ */
.contact-card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 48px 44px;
}
.contact-rows { display: grid; gap: 0; margin: 30px 0 34px; }
.contact-row { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 16px 0; border-top: 1px solid var(--line); }
.contact-row:first-child { border-top: none; }
.contact-row dt { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--ink-3); text-transform: uppercase; margin: 0; align-self: center; }
.contact-row dd { margin: 0; color: var(--ink); font-size: 16px; }
.contact-row a { font-weight: 500; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 40px; margin-top: 8px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; align-items: flex-start; }
.footer-brand { font-family: var(--f-mono); letter-spacing: 0.3em; color: var(--white); font-size: 14px; }
.footer-brand p { font-family: var(--f-body); letter-spacing: normal; font-size: 13.5px; color: var(--ink-3); margin: 14px 0 0; max-width: 32ch; }
.footer-nav { display: flex; gap: 30px; flex-wrap: wrap; }
.footer-nav a { font-size: 14px; color: var(--ink-2); }
.footer-nav a:hover { color: var(--ink); }
.footer-base {
  margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.04em;
}

/* ============================================================
   Page hero (interior)
   ============================================================ */
.page-hero { padding: 64px 0 12px; }
.page-hero h1 { margin-bottom: 22px; }
.page-hero .lead { max-width: 60ch; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 18px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links a.active::after { display: none; }

  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .pattern-stage { max-width: 360px; margin: 0 auto; order: 2; }
  .cap-grid { grid-template-columns: 1fr; }
  .band { grid-template-columns: 1fr; gap: 22px; padding: 34px 26px; }
  .svc { grid-template-columns: 1fr; gap: 18px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 68px 0; }
  .contact-card { padding: 34px 24px; }
  .fact, .contact-row { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
}

/* ---------- Brand mark (official Meezak M) ---------- */
.brand .mark {
  width: 26px; height: 19px; display: inline-block;
  color: var(--signal); flex: none;
}
.footer-mark-row {
  display: inline-flex; align-items: center; gap: 11px;
}
.footer-mark-row .mark {
  width: 22px; height: 16px; color: var(--signal);
}