/* ============================================================
   IT SSL — wsp\u00f3lne tokeny + baza wiedzy + strony artyku\u0142\u00f3w
   Wyci\u0105gni\u0119te z "IT SSL Portfolio.html" \u2014 sp\u00f3jne z g\u0142\u00f3wnym portfolio
   ============================================================ */

:root {
  --bg:            #ffffff;
  --bg-alt:        #f6f7fb;
  --bg-panel:      #ffffff;
  --ink:           #0e1330;
  --ink-2:         #2a2f4a;
  --ink-3:         #5a6079;
  --muted:         #8a91a8;
  --line:          #e5e8f1;
  --line-strong:   #cfd4e3;
  --accent:        #8a4ef0;
  --accent-2:      #0c80b9;
  --accent-ink:    #ffffff;
  --accent-soft:   #efe6ff;
  --accent-2-soft: #dcf1fa;
  --success:       #1f8a5b;
  --warning:       #c77700;

  --shadow-sm: 0 1px 2px rgba(14,19,48,.04), 0 2px 6px rgba(14,19,48,.04);
  --shadow-md: 0 4px 12px rgba(14,19,48,.06), 0 12px 28px rgba(14,19,48,.06);
  --shadow-lg: 0 8px 24px rgba(14,19,48,.08), 0 24px 48px rgba(14,19,48,.10);

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --font-sans: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  text-wrap: pretty;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: inline-flex; align-items: center; }
.brand img, .brand svg { height: 40px; width: auto; }
.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
}
.nav-links a { position: relative; padding: 6px 0; }
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform .2s ease, background .2s ease;
}
.nav-cta:hover { background: var(--accent); transform: translateY(-1px); }
.nav-cta .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 40%, transparent);
}

/* ============ BUTTONS ============ */
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); }

/* ============ FOOTER ============ */
footer {
  padding: 72px 0 40px;
  background: var(--ink);
  color: #d9dcec;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.foot-brand img,
.foot-brand svg {
  height: 40px;
  filter: brightness(0) invert(1);
  margin-bottom: 20px;
  width: auto;
}
.foot-brand p { font-size: 14px; color: #9ea1b6; max-width: 320px; line-height: 1.55; }
.foot h5 {
  font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase; letter-spacing: .1em;
  color: #9ea1b6;
  font-weight: 500;
  margin: 0 0 18px;
}
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { padding: 6px 0; font-size: 14px; }
.foot a { color: #d9dcec; }
.foot a:hover { color: var(--accent); }
.foot-bottom {
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  color: #6f7286;
  text-transform: uppercase; letter-spacing: .08em;
}

/* ============ REVEAL animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .foot-grid { grid-template-columns: 1fr; }
}