/* ============================================================
   lukasjanda.com — warm LIGHT code-editor theme.
   Space Grotesk (display/body) + Space Mono (code layer).
   Paper background · muted syntax palette · line-number gutter
   · // comment asides · fixed status bar. Warm voice, precise chrome.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, p, ul, li, figure { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; }

:root {
  --paper:      #F5F2EC;
  --paper-2:    #EDE8DE;
  --ink:        #17160F;
  --ink-soft:   #57544A;
  --ink-faint:  #8B8779;
  --line:       #DED8CC;

  /* muted, warm light-theme syntax palette */
  --kw:     #3A6488;   /* keyword / operator — denim */
  --str:    #8A5C22;   /* string — ochre */
  --com:    #6F7D4F;   /* comment — sage */
  --fn:     #855074;   /* function / name — mauve */
  --gutter: #BEB9AC;   /* line numbers — faint */

  --mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  --col: 900px;
  --pad: clamp(1.1rem, 5vw, 3rem);
  --gut: 2.75rem;               /* line-number gutter width */
  --gap-section: clamp(3rem, 8vw, 5.5rem);
  --statusbar-h: 1.95rem;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  padding-bottom: var(--statusbar-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* faint film grain — tactile paper warmth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout + line-number gutter ---------- */
.page {
  position: relative;
  z-index: 1;
  counter-reset: ln;
  max-width: var(--col);
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 6rem) var(--pad) 0;
  padding-left: calc(var(--pad) + var(--gut));
}
/* faint vertical rule at the gutter edge */
.page::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--pad) + var(--gut) - 0.85rem);
  width: 1px;
  background: var(--line);
}
/* any .ln element gets an auto-incrementing line number in the gutter */
.ln { position: relative; }
.ln::before {
  counter-increment: ln;
  content: counter(ln);
  position: absolute;
  left: calc(-1 * var(--gut));
  top: 0.15em;
  width: calc(var(--gut) - 0.9rem);
  text-align: right;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--gutter);
  user-select: none;
}

/* comment section headers ( // What I do ) */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--com);
}

.section { padding-block: var(--gap-section); border-top: 1px solid var(--line); }
.section-body { min-width: 0; margin-top: 1.6rem; }

.label-title {           /* an intro rendered as a // comment */
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--com);
  margin-bottom: 2.1rem;
}

/* ---------- hero ---------- */
.hero { padding-bottom: clamp(2.25rem, 7vw, 4rem); }
.greet {
  display: block;
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
}
.cursor {
  display: inline-block;
  width: 0.5ch;
  height: 1.05em;
  background: var(--kw);
  margin-left: 0.18rem;
  transform: translateY(0.15em);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.name {
  font-size: clamp(2.6rem, 8.5vw, 5rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.lede {
  margin-top: 1.5rem;
  max-width: 34ch;
  font-size: clamp(1.12rem, 2.4vw, 1.4rem);
  line-height: 1.42;
}
.lede em { font-style: italic; }

/* the founder / 15 → 2-3 thesis — the page's central credibility claim */
.thesis {
  margin-top: 1.5rem;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.thesis strong { color: var(--ink); font-weight: 600; }
.meta {                  /* // remote · EU & US friendly · English */
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--com);
}

/* ---------- what I do ---------- */
.services { display: grid; gap: 1.4rem; }
.service-key { display: block; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.service-desc { color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- how I build (signature flow-lines) ---------- */
.builds { display: grid; gap: clamp(2rem, 5vw, 3rem); }
.build { display: grid; gap: 0.65rem; }
.build-title { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.015em; }
.build-how { color: var(--ink-soft); font-size: 0.98rem; max-width: 62ch; }

.flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.1rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  margin: 0.1rem 0 0.2rem;
}
.flow .node {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.22em 0.55em;
  white-space: nowrap;
  transition: border-color 0.35s ease, background 0.35s ease;
}
.flow .arw { color: var(--kw); padding: 0 0.15em; font-weight: 700; }
.build:hover .flow .node { border-color: var(--kw); background: var(--paper); }

.stack { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.01em; color: var(--str); }

.also {                  /* // also: ... */
  margin-top: 0.4rem;
  padding-top: 1.3rem;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--com);
}

/* ---------- how I work ---------- */
.how { display: grid; gap: 0.85rem; }
.how li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: baseline;
  font-size: 1rem;
  color: var(--ink-soft);
}
.how li::marker { content: ""; }
.how li .tick { color: var(--kw); font-family: var(--mono); font-weight: 700; }

/* ---------- contact — integrated terminal panel ---------- */
.contact {
  position: relative;
  z-index: 1;
  margin: var(--gap-section) calc(-1 * var(--pad)) 0 calc(-1 * (var(--pad) + var(--gut)));
  padding: clamp(2.75rem, 8vw, 4.5rem) var(--pad) clamp(3rem, 8vw, 4.5rem) calc(var(--pad) + var(--gut));
  background: var(--ink);
  color: var(--paper);
  border-radius: 10px 10px 0 0;
}
.contact .prompt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8F9A72;
  display: block;
  margin-bottom: 1.4rem;
}
.contact-line {
  font-size: clamp(1.35rem, 4vw, 1.95rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
  max-width: 22ch;
}
.mailto {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 3vw, 1.5rem);
  text-decoration: none;
  color: var(--paper);
  border-bottom: 1px solid #4A4840;
  padding-bottom: 0.2rem;
  transition: border-color 0.25s ease, gap 0.25s ease;
}
.mailto .caret { color: #8F9A72; transition: color 0.25s ease; }
.mailto:hover { border-color: var(--paper); gap: 0.85rem; }
.mailto:hover .caret { color: var(--paper); }
.contact-avail {         /* // usually replies the same day */
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: #8F9A72;
  letter-spacing: 0.02em;
}

/* ---------- fixed status bar (VS Code style) ---------- */
.statusbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 20;
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 0 var(--pad);
  background: var(--ink);
  color: #CFCABB;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  border-top: 1px solid #2B2920;
}
.statusbar .sb-right { margin-left: auto; display: flex; align-items: center; gap: 0.9rem; }
.statusbar .dot { color: #8BBF6B; }
.statusbar .sep { color: #545045; }
.statusbar .sb-mute { color: #928E80; }

/* ---------- reveal motion ---------- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 680px) {
  :root { --gut: 2.05rem; }
  .section { padding-block: clamp(2.5rem, 12vw, 3.75rem); }
  .statusbar { gap: 0.7rem; font-size: 0.62rem; }
  .statusbar .sb-right { gap: 0.6rem; }
  .statusbar .sb-hide { display: none; }
}

/* ---------- a11y ---------- */
a:focus-visible, .mailto:focus-visible {
  outline: 2px solid var(--kw);
  outline-offset: 3px;
  border-radius: 2px;
}
.contact a:focus-visible { outline-color: var(--paper); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
}