/* bblaszczyk.pl — single-page dev site. HTML + CSS only, no JavaScript. */

:root {
  /* warm near-black ground */
  --bg:      #131211;
  --surface: #1a1917;
  --border:  #2a2825;
  --subtle:  #6f6a62;
  --body:    #b0aaa1;
  --heading: #f2efe9;

  --accent:  #e8a33c;  /* links, emphasis */
  --live:    #5fd08a;  /* availability only */

  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "Newsreader", Georgia, serif;
  --sans:  "Manrope", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
}

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { color: var(--heading); }

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

em { font-family: var(--serif); font-style: italic; color: var(--heading); font-weight: 400; }

/* --- nav ----------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
}

.nav-logo {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--accent); }

.nav-right { display: flex; align-items: center; gap: clamp(0.75rem, 2vw, 1.5rem); }

.nav-links { display: flex; gap: clamp(0.75rem, 2vw, 1.5rem); }
.nav-links a {
  font-size: 0.875rem;
  color: var(--subtle);
  text-decoration: none;
}
.nav-links a:hover { color: var(--heading); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--body);
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 70%, transparent);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 70%, transparent); }
  70%  { box-shadow: 0 0 0 6px color-mix(in srgb, var(--live) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--live) 0%, transparent); }
}

.lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.lang a { color: var(--subtle); text-decoration: none; }
.lang a:hover { color: var(--heading); }
.lang .current { color: var(--heading); }
.lang .sep { color: var(--border); }

.badge-short { display: none; }

/* --- hero ---------------------------------------------------------- */

.hero { padding: clamp(4.5rem, 13vh, 8rem) 0 clamp(2.5rem, 6vh, 4rem); }

.hero h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.035em;
  color: var(--heading);
}

.hero h1 em { letter-spacing: -0.01em; }

.hero p {
  margin: 1.75rem 0 0;
  max-width: 52ch;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.25rem; }

.btn {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}
.btn:hover { background: transparent; color: var(--accent); }

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--body);
}
.btn-ghost:hover { border-color: var(--subtle); background: var(--surface); color: var(--heading); }

/* --- previously / proof -------------------------------------------- */

.proof {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding-bottom: clamp(2.5rem, 6vh, 4rem);
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--subtle);
}
.proof-names { display: flex; flex-wrap: wrap; gap: 0.5rem 0.9rem; color: var(--body); }
.proof-names span + span::before { content: "/"; margin-right: 0.9rem; color: var(--border); }

/* --- sections ------------------------------------------------------ */

.divider { height: 1px; background: var(--border); }

.section { padding: clamp(3.5rem, 9vh, 5.5rem) 0; }

.kicker {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 1.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--heading);
}

.section > .container > p { max-width: 62ch; }

/* --- about --------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: start;
}

.about-text p { margin: 0 0 1rem; max-width: 56ch; }
.about-text p:last-child { margin-bottom: 0; }

.facts { margin: 0; font-family: var(--mono); font-size: 0.875rem; }
.facts dt { color: var(--subtle); }
.facts dd {
  margin: 0 0 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--heading);
}
.facts dd:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }

/* --- stack tags ---------------------------------------------------- */

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--body);
}

.tag.primary {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* --- cards --------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.card { padding: 1.5rem; background: var(--bg); }
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--heading);
}
.card p { margin: 0; font-size: 0.9375rem; }

/* --- availability spec --------------------------------------------- */

.spec { margin: 0; display: grid; grid-template-columns: minmax(9rem, 1fr) 2.4fr; column-gap: 2rem; }

.spec dt {
  grid-column: 1;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.875rem;
  color: var(--subtle);
}

.spec dd {
  grid-column: 2;
  margin: 0;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
  max-width: 50ch;
  color: var(--heading);
}

/* --- projects ------------------------------------------------------ */

.projects { display: flex; flex-direction: column; }

.project {
  display: grid;
  grid-template-columns: minmax(11rem, 1fr) 2fr;
  gap: 0.5rem 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
}
.project:last-child { border-bottom: 1px solid var(--border); }

.project-name {
  font-family: var(--mono);
  font-size: 0.9375rem;
  color: var(--heading);
}

.project-stack {
  margin-top: 0.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--subtle);
}

.project p { margin: 0; max-width: 54ch; font-size: 0.9375rem; }

.project-result { color: var(--heading); }

/* --- contact ------------------------------------------------------- */

.contact { text-align: left; }

.contact-mail {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: clamp(1.375rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--heading);
  text-decoration: none;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.1em;
}
.contact-mail:hover { color: var(--accent); border-bottom-color: var(--accent); }

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  font-family: var(--mono);
  font-size: 0.875rem;
}
.contact-methods a { text-decoration: none; }
.contact-methods a:hover { text-decoration: underline; }

.contact-note { margin-top: 1.75rem; font-family: var(--mono); font-size: 0.8125rem; color: var(--subtle); }

/* --- footer -------------------------------------------------------- */

.footer { border-top: 1px solid var(--border); padding: 1.75rem 0; }
.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--subtle);
}
.footer p { margin: 0; }
.footer-links { display: flex; gap: 1.25rem; }
.footer a { color: var(--subtle); text-decoration: none; }
.footer a:hover { color: var(--heading); }

/* --- narrow screens ------------------------------------------------ */

@media (max-width: 48rem) {
  .nav-links { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr; }
  .spec dt { padding: 1rem 0 0.15rem; }
  .spec dd { padding: 0 0 1rem; border-top: 0; max-width: none; }
  .project { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 30rem) {
  .badge-long { display: none; }
  .badge-short { display: inline; }
}

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