/* ZOYTECHS: security, fire and smart building systems. Deep navy, signal yellow and engineering blue; IBM Plex Sans.
   Contrast checked: navy on yellow 9.4:1, blue text #2B6E94 5.6:1 on white, light text on navy 9.2:1. */
:root {
  --font-display: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display-weight: 600;
  --display-tracking: -0.02em;
  --eyebrow-tracking: 0.14em;
  --c-bg: #FFFFFF;
  --c-surface: #F2F5F8;
  --c-ink: #14202B;
  --c-muted: #55606B;
  --c-line: rgba(20, 32, 43, 0.12);
  --c-accent: #E8BF05;
  --c-accent-ink: #14202B;
  --c-accent-text: #2B6E94;
  --c-dark: #14202B;
  --c-dark-ink: #F2F5F8;
  --c-dark-muted: #B7C3CE;
  --c-dark-line: rgba(242, 245, 248, 0.14);
  --radius: 6px;
  --radius-lg: 10px;
}
h1 { font-size: clamp(2.3rem, 4.8vw, 4rem); }
.brand__logo { height: 34px; }
.footer-brand__logo { height: 36px; }
.btn { letter-spacing: 0.04em; }
.card__icon { width: 48px; height: 48px; padding: 11px; border-radius: 10px; background: color-mix(in srgb, var(--c-accent-text) 10%, transparent); color: var(--c-accent-text); }
.section--dark .card__icon { background: rgba(232, 191, 5, .12); color: var(--c-accent); }
.step::before { font-weight: 600; color: var(--c-accent-text); }
.section--dark .step::before { color: var(--c-accent); }
.stat__value { color: var(--c-accent-text); }   /* yellow is for buttons and dark areas only: too pale on white */
@media (max-width: 640px) { .brand__logo { height: 28px; } }

/* Systems section (systems_pages.py, 14 Oct 2026): sector chips, FAQ, linked cards */
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 10px 18px; border: 1px solid var(--c-line); border-radius: 999px; font-weight: 500; background: var(--c-bg); }
.faq details { border-bottom: 1px solid var(--c-line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; }
.faq details p { margin: 12px 0 0; color: var(--c-muted); }
.card--link { text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 10px; }
.section--dark .card--link { color: var(--c-dark-ink); }
a.card { text-decoration: none; color: inherit; }

/* black instead of dark blue (Mr. Zaher, 17 Oct 2026) */
:root {
  --c-ink: #111111;
  --c-line: rgba(0, 0, 0, 0.12);
  --c-surface: #F4F4F4;
  --c-accent-ink: #111111;
  --c-dark: #0B0B0B;
  --c-dark-muted: #BDBDBD;
  --c-dark-line: rgba(255, 255, 255, 0.14);
  --c-dark-ink: #F5F5F5;
}

/* products page (make_products.py) */
.prod .card__body { display: flex; flex-direction: column; }
.prod__list { margin: 4px 0 16px; padding: 0 0 0 18px; color: var(--c-muted); font-size: .95rem; line-height: 1.55; }
.prod__list li { margin: 3px 0; }
.prod .link-arrow { margin-top: auto; }
/* seven menu items stay on one line each */
@media (min-width: 961px) { .site-nav a:not(.btn) { white-space: nowrap; } .site-nav ul { gap: 22px; } }
@media (min-width: 961px) and (max-width: 1280px) { .site-nav ul { gap: 14px; } .site-nav a:not(.btn) { font-size: .76rem; letter-spacing: .05em; } }