/*!
 * Wizytówka — Andrzej Pierz
 * wersja: 1.1.1
 */
:root {
  /* neutrals biased toward the amber accent — blue-slate */
  --bg: #0c0f16;
  --surface: #121720;
  --surface-2: #182029;
  --border: #232d3b;
  --text: #dfe4ec;
  --text-muted: #8b95a6;
  --accent: #f5a524;
  --accent-soft: #f5a52422;
  --accent-strong: #ffc45f;
  --dot-red: #ef6a6a;
  --dot-amber: #e6b455;
  --dot-green: #45c26b;
  --shadow: 0 24px 60px -20px rgba(0,0,0,.6);
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --maxw: 760px;
  --step-0: clamp(.95rem, .9rem + .2vw, 1.02rem);
  --step-1: clamp(1.1rem, 1rem + .5vw, 1.25rem);
  --step-2: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);
  --step-3: clamp(2.4rem, 1.8rem + 3.4vw, 4.2rem);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-card: 12px;
  --radius-panel: 14px;
  --focus-ring: 2px solid var(--accent);
  --transition-fast: .18s ease;
  --transition-base: .2s ease;
  --card-border: 1px solid var(--border);
  --card-bg: var(--surface);
}

/* dark is the default for everyone; light only via the toggle */
:root[data-theme="dark"] {
  --bg: #0c0f16; --surface: #121720; --surface-2: #182029; --border: #232d3b;
  --text: #dfe4ec; --text-muted: #8b95a6; --accent: #f5a524; --accent-soft: #f5a52422;
  --accent-strong: #ffc45f; --shadow: 0 24px 60px -20px rgba(0,0,0,.6);
}
:root[data-theme="light"] {
  --bg: #f4f6f8; --surface: #ffffff; --surface-2: #eef2f5; --border: #dfe4ea;
  --text: #182130; --text-muted: #5a6576; --accent: #b45309; --accent-soft: #b453091a;
  --accent-strong: #92400e; --shadow: 0 22px 50px -24px rgba(20,40,60,.35);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

.brand:focus-visible,
.navlinks a:focus-visible,
.hamburger:focus-visible,
.toggle:focus-visible,
.mailbtn:focus-visible,
.telbtn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.group,
.contact-card,
.stat,
.step {
  border: var(--card-border);
  border-radius: var(--radius-card);
  background: var(--card-bg);
}

.nav,
.nav-controls,
.toggle,
.term__bar,
.hero-row,
.meta,
.meta .status,
.contact-card,
.mailbtn,
.telbtn,
.reply {
  display: flex;
  align-items: center;
}

body {
  margin: 0;
  /* guard against any stray horizontal overflow on narrow screens;
     `clip` (not `hidden`) keeps the sticky nav working */
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  /* subtle grid backdrop — nod to config files / server dashboards */
  background-image:
          linear-gradient(var(--border) 1px, transparent 1px),
          linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 42px 42px, 42px 42px;
  background-position: -1px -1px;
  background-attachment: fixed;
}
body::before {
  /* fade the grid so it stays a whisper, not a pattern */
  content: "";
  position: fixed; inset: 0;
  background: radial-gradient(120% 90% at 50% 0%, transparent 0%, var(--bg) 62%);
  pointer-events: none;
  z-index: 0;
}
.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.1rem, 4vw, 2rem) clamp(1.1rem, 4vw, 1.6rem) 4rem;
}
/* ---------- sticky nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  gap: .7rem;
  padding: .55rem 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-family: var(--mono); font-weight: 700; font-size: .9rem;
  color: var(--accent); text-decoration: none; letter-spacing: .02em;
  flex-shrink: 0;
}
.brand:focus-visible { border-radius: var(--radius-sm); }
.navlinks {
  display: flex; gap: .15rem; flex: 1;
  flex-wrap: nowrap; overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.navlinks::-webkit-scrollbar { display: none; }
.navlinks a {
  font-family: var(--mono); font-size: .8rem; color: var(--text-muted);
  text-decoration: none; white-space: nowrap;
  padding: .35rem .6rem; border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.navlinks a:hover,
.navlinks a.active {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

/* controls on the right (theme toggle + hamburger) */
.nav-controls { gap: .5rem; flex-shrink: 0; margin-left: auto; }
/* hamburger button — hidden on desktop, shown on mobile */
.hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 4px;
  width: 40px; height: 36px; padding: 0 9px;
  background: var(--surface);
  border: var(--card-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
}
.hamburger span {
  display: block; height: 2px; width: 100%;
  background: var(--text-muted); border-radius: 2px;
  transition: transform .22s ease, opacity var(--transition-fast), background var(--transition-fast);
}
.hamburger:hover span { background: var(--accent); }
.nav-open .hamburger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
/* on mobile the links collapse into a dropdown panel toggled by the hamburger */
@media (max-width: 560px) {
  .hamburger { display: flex; }
  .navlinks {
    position: absolute;
    top: calc(100% + .4rem); left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    gap: .1rem;
    padding: .5rem;
    background: var(--surface);
    border: var(--card-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: none;
  }
  .nav-open .navlinks { display: flex; }
  .navlinks a { padding: .7rem .8rem; font-size: .9rem; border-radius: var(--radius-md); }
  .navlinks a.active { background: var(--accent-soft); }
  section, .stats { scroll-margin-top: 5rem; }
}
/* offset anchor targets so the sticky nav doesn't cover them */
section, .stats { scroll-margin-top: 4.5rem; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
/* ---------- theme toggle ---------- */
.toggle {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--text-muted);
  background: var(--surface);
  border: var(--card-border);
  border-radius: 999px;
  padding: .45rem .85rem;
  cursor: pointer;
  gap: .5rem;
  transition: color var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.toggle:hover { color: var(--accent-strong); border-color: var(--accent); }
/* ---------- terminal hero ---------- */
.term {
  margin-top: 1rem;
  background: var(--surface);
  border: var(--card-border);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.term__bar {
  gap: .5rem;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.term__bar span {
  width: 11px; height: 11px; border-radius: 50%;
  display: inline-block;
}
.dot-r { background: var(--dot-red); }
.dot-a { background: var(--dot-amber); }
.dot-g { background: var(--dot-green); }
.term__title {
  font-family: var(--mono); font-size: .74rem; color: var(--text-muted);
  margin-left: .6rem; letter-spacing: .02em;
}
.term__body { padding: clamp(1.2rem, 4vw, 2.2rem); font-family: var(--mono); }
.hero-row {
  flex-wrap: wrap;
  gap: clamp(1rem, 4vw, 1.6rem);
  margin-top: 1rem;
}
.avatar {
  width: clamp(104px, 28vw, 148px);
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 25%;
  border-radius: 16px;
  border: var(--card-border);
  box-shadow: 0 0 0 2px var(--accent-soft), 0 16px 34px -16px rgba(0,0,0,.65);
  filter: grayscale(1) contrast(1.03);
  flex-shrink: 0;
}
.hero-text { min-width: 0; flex: 1 1 220px; }
.hero-text h1 { margin-top: 0; }
.prompt { color: var(--text-muted); font-size: .9rem; margin: 0 0 .3rem; }
.prompt b { color: var(--accent); font-weight: 600; }
.prompt .cmd { color: var(--text); }
h1 {
  font-family: var(--sans);
  font-size: var(--step-3);
  line-height: 1.02;
  letter-spacing: -.02em;
  font-weight: 800;
  margin: .5rem 0 .3rem;
  text-wrap: balance;
}
.role {
  font-family: var(--mono);
  color: var(--accent-strong);
  font-size: var(--step-1);
  margin: 0;
}
.role .sep { color: var(--text-muted); }
.meta {
  flex-wrap: wrap; gap: .5rem .9rem;
  margin-top: 1.4rem;
  font-family: var(--mono); font-size: .82rem; color: var(--text-muted);
}
.meta .status { color: var(--text); gap: .5rem; }
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  margin-top: 1.35rem;
  padding: .72rem 1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.hero-cta:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -12px var(--accent);
}
.hero-cta:focus-visible { outline: var(--focus-ring); outline-offset: 3px; }
.live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dot-green);
  box-shadow: 0 0 0 0 var(--dot-green);
}
@media (prefers-reduced-motion: no-preference) {
  .live { animation: pulse 2.4s ease-out infinite; }
  @keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(69,194,107,.5); }
    70%  { box-shadow: 0 0 0 7px rgba(69,194,107,0); }
    100% { box-shadow: 0 0 0 0 rgba(69,194,107,0); }
  }
}
.cursor {
  display: inline-block;
  width: .6ch; height: 1.05em;
  background: var(--accent);
  vertical-align: -.15em;
  margin-left: .1em;
}
@media (prefers-reduced-motion: no-preference) {
  .cursor { animation: blink 1.1s steps(1) infinite; }
  @keyframes blink { 50% { opacity: 0; } }
}
/* ---------- sections ---------- */
section { margin-top: clamp(2.6rem, 7vw, 4rem); }
.eyebrow {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--accent);
  letter-spacing: .04em;
  margin: 0 0 1rem;
}
.eyebrow::before { content: "// "; color: var(--text-muted); }
.lede { font-size: var(--step-1); line-height: 1.6; margin: 0; max-width: 62ch; }
.lede strong { color: var(--text); font-weight: 600; }
/* skills */
.stack { display: grid; gap: 1.1rem; }
.group {
  padding: 1.1rem 1.2rem;
}
.group h3 {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin: 0 0 .8rem;
}
.chips { display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; margin: 0; padding: 0; }
.chips li {
  font-family: var(--mono);
  font-size: .86rem;
  color: var(--text);
  background: var(--surface-2);
  border: var(--card-border);
  border-radius: var(--radius-md);
  padding: .4rem .7rem;
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.chips li:hover { border-color: var(--accent); color: var(--accent-strong); transform: translateY(-2px); }
/* services */
.services { list-style: none; margin: 0; padding: 0; display: grid; gap: .2rem; }
.services li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.services li:last-child { border-bottom: none; }
.services .n { font-family: var(--mono); font-size: .8rem; color: var(--accent); }
.services .t { margin: 0; font-size: var(--step-1); font-weight: 600; letter-spacing: -.01em; }
.services .d { margin: .2rem 0 0; color: var(--text-muted); font-size: .95rem; }
/* examples of collaboration */
.cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.case {
  padding: 1.25rem;
  border: var(--card-border);
  border-radius: var(--radius-card);
  background: var(--card-bg);
}
.case__label {
  margin: 0 0 .55rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .04em;
}
.case h3 { margin: 0 0 .5rem; font-size: var(--step-1); line-height: 1.3; }
.case p:last-child { margin: 0; color: var(--text-muted); font-size: .92rem; }
@media (max-width: 640px) {
  .cases { grid-template-columns: 1fr; }
}
/* contact */
.contact-card {
  flex-wrap: wrap; justify-content: space-between;
  gap: 1.2rem;
  padding: clamp(1.2rem, 4vw, 1.6rem);
}
.contact-card .msg { margin: 0; max-width: 40ch; color: var(--text-muted); }
.contact-card .msg strong { color: var(--text); font-weight: 600; }

.mailbtn,
.telbtn {
  font-family: var(--mono);
  font-size: .92rem;
  border-radius: var(--radius-lg);
  padding: .75rem 1.15rem;
  text-decoration: none;
  gap: .55rem;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.mailbtn {
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
}
.mailbtn:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -12px var(--accent);
}
.mailbtn:focus-visible { outline-color: var(--accent-strong); outline-offset: 3px; }
.mailbtn .at { font-weight: 700; }

.contact-actions { display: flex; flex-wrap: wrap; gap: .7rem; }

.telbtn {
  color: var(--text);
  background: var(--surface-2);
  border: var(--card-border);
}
.telbtn:hover {
  color: var(--accent-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.telbtn:focus-visible { outline-offset: 3px; }
.telbtn .ic { color: var(--accent); font-weight: 700; }

.contact-right { display: flex; flex-direction: column; gap: .65rem; align-items: flex-start; }
.reply {
  margin: 0; font-family: var(--mono); font-size: .78rem; color: var(--text-muted);
  gap: .4rem;
}
.reply .ic { color: var(--accent); }
/* stats bar */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.5rem, 2vw, .8rem);
  margin-top: 1.3rem;
}
.stat {
  padding: 1.15rem 1rem;
  text-align: center;
}
.stat .num {
  font-family: var(--mono);
  font-size: clamp(1.55rem, 1.1rem + 2vw, 2.15rem);
  font-weight: 700;
  color: var(--accent-strong);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat .lbl { display: block; margin-top: .45rem; font-size: .8rem; color: var(--text-muted); }
/* steps — jak pracuję */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}
.step {
  padding: 1.25rem;
}
.step .k { font-family: var(--mono); color: var(--accent); font-size: .8rem; }
.step h3 { font-size: var(--step-1); margin: .45rem 0 .35rem; font-weight: 600; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--text-muted); font-size: .92rem; }
footer {
  margin-top: clamp(3rem, 8vw, 4.5rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--text-muted);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem;
}
/* reveal on scroll — only when JS + motion allowed; default fully visible */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}