/* ============================================================
   Visualytics — personal logbook
   Design system: drafting-paper ground, ink navy, hairline grid,
   single plotted-crimson accent. Display: Archivo. Body: Inter.
   Data/labels: JetBrains Mono (the telemetry texture).
   ============================================================ */

:root {
  --paper:      #F4F6F2;   /* cool drafting off-white */
  --paper-raise:#FBFCFA;   /* raised cards */
  --ink:        #14181F;   /* near-black blue-slate */
  --ink-soft:   #4C555F;   /* secondary text */
  --ink-faint:  #8A929B;   /* captions, muted */
  --rule:       #D6DBD4;   /* hairline grid / dividers */
  --rule-soft:  #E4E8E1;   /* faint grid */
  --accent:     #CE1F55;   /* plotted crimson — the signature line */
  --accent-ink: #9E153F;   /* accent pressed */

  --maxw: 1080px;
  --gutter: clamp(20px, 5vw, 56px);

  --f-display: "Archivo", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* ---- reset-ish ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- layout shell ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 20;
}
.wordmark {
  font-family: var(--f-mono);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; color: var(--ink); font-weight: 500;
  display: inline-flex; align-items: center; gap: 9px;
}
.wordmark .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; display: inline-block; }
.site-nav { display: flex; gap: 26px; }
.site-nav a {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: var(--ink-soft);
  padding: 4px 0; border-bottom: 1px solid transparent; transition: color .18s, border-color .18s;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent); border-color: var(--accent); }

/* ---- shared type ---- */
.eyebrow {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 18px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); display: inline-block; }

h1, h2, h3 { font-family: var(--f-display); font-weight: 800; line-height: 1.04; letter-spacing: -0.02em; margin: 0; }

.display {
  font-size: clamp(2.6rem, 7vw, 5.1rem);
  font-weight: 800; letter-spacing: -0.035em; line-height: 0.98;
}
.lede { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--ink-soft); max-width: 46ch; line-height: 1.55; }

.mono-label {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint);
}

/* ---- hero ---- */
.hero { position: relative; padding: clamp(56px, 12vh, 130px) 0 clamp(40px, 8vh, 90px); overflow: hidden; }
.hero-inner { position: relative; z-index: 2; }
.hero .display { max-width: 15ch; margin-bottom: 26px; }
.hero .lede { margin-bottom: 34px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px 40px; padding-top: 26px; border-top: 1px solid var(--rule); }
.hero-meta .stat { display: flex; flex-direction: column; gap: 3px; }
.hero-meta .stat b { font-family: var(--f-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }

/* the signature plotted track line */
.track {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none; opacity: 0.9;
}
.track path.line { fill: none; stroke: var(--accent); stroke-width: 2.2; }
.track .node { fill: var(--paper); stroke: var(--accent); stroke-width: 2.2; }
@media (prefers-reduced-motion: no-preference) {
  .track path.line { stroke-dasharray: 2600; stroke-dashoffset: 2600; animation: draw 2.6s ease-out .2s forwards; }
  .track .node { opacity: 0; animation: pop .4s ease-out forwards; }
  .track .node:nth-of-type(1){ animation-delay: 1.1s; }
  .track .node:nth-of-type(2){ animation-delay: 1.7s; }
  .track .node:nth-of-type(3){ animation-delay: 2.3s; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { to { opacity: 1; } }

/* ---- generic section ---- */
.section { padding: clamp(48px, 9vh, 96px) 0; border-top: 1px solid var(--rule); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }

.prose { max-width: 60ch; color: var(--ink-soft); }
.prose p { margin: 0 0 1.1em; }
.prose strong { color: var(--ink); font-weight: 600; }

/* ---- projects index ---- */
.index { display: flex; flex-direction: column; border-top: 1px solid var(--rule); }
.entry {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 24px; align-items: center;
  padding: 30px 8px; border-bottom: 1px solid var(--rule);
  text-decoration: none; color: inherit; position: relative; transition: background .2s, padding-left .2s;
}
.entry:hover, .entry:focus-visible { background: var(--paper-raise); padding-left: 20px; outline: none; }
.entry:focus-visible { box-shadow: inset 3px 0 0 var(--accent); }
.entry .num { font-family: var(--f-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.06em; }
.entry .body h3 { font-size: 1.45rem; margin-bottom: 6px; }
.entry .body p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; max-width: 52ch; }
.entry .tags { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.tag {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-soft); border: 1px solid var(--rule); border-radius: 100px; padding: 3px 10px;
}
.tag.live { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--rule)); }
.entry .go { font-family: var(--f-mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.08em; white-space: nowrap; transition: color .18s, transform .18s; }
.entry:hover .go { color: var(--accent); transform: translateX(4px); }

.entry.ghost { cursor: default; }
.entry.ghost:hover { background: transparent; padding-left: 8px; }
.entry.ghost .body h3 { color: var(--ink-faint); font-weight: 700; }
.entry.ghost .num { color: var(--ink-faint); }

/* ---- app detail page ---- */
.app-hero { padding: clamp(48px, 9vh, 96px) 0 clamp(30px, 5vh, 56px); }
.app-hero .display { font-size: clamp(2.4rem, 6vw, 4.2rem); max-width: 16ch; margin: 18px 0 22px; }
.pill-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em;
  border: 1px solid var(--rule); border-radius: 100px; padding: 9px 16px; color: var(--ink-soft);
  background: var(--paper-raise);
}

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.feature { background: var(--paper-raise); padding: 26px 24px; }
.feature .k { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.feature h3 { font-size: 1.12rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature p { margin: 0; font-size: 0.94rem; color: var(--ink-soft); }

.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.shot {
  aspect-ratio: 9 / 19; border: 1px solid var(--rule); border-radius: 22px; background: var(--paper-raise);
  display: flex; align-items: center; justify-content: center; text-align: center; padding: 20px;
}
.shot span { font-family: var(--f-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.06em; line-height: 1.6; }

/* ---- doc pages (support / privacy) ---- */
.doc { padding: clamp(40px, 7vh, 80px) 0; }
.doc .prose { max-width: 68ch; }
.doc h2 { font-size: 1.4rem; margin: 2.2em 0 0.6em; font-family: var(--f-display); }
.doc h2:first-of-type { margin-top: 1.2em; }
.doc ul { padding-left: 1.1em; margin: 0 0 1.1em; }
.doc li { margin-bottom: 0.5em; color: var(--ink-soft); }
.doc a { color: var(--accent-ink); text-underline-offset: 3px; }
.note {
  border-left: 3px solid var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--paper-raise));
  padding: 14px 18px; margin: 1.4em 0; font-size: 0.9rem; color: var(--ink-soft);
  font-family: var(--f-mono); line-height: 1.6; border-radius: 0 8px 8px 0;
}
.note b { color: var(--accent-ink); }

.faq { border-top: 1px solid var(--rule); margin-top: 8px; }
.faq details { border-bottom: 1px solid var(--rule); padding: 6px 0; }
.faq summary { cursor: pointer; padding: 16px 4px; font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--accent); font-size: 1.3rem; }
.faq details[open] summary::after { content: "\2212"; }
.faq .ans { padding: 0 4px 18px; color: var(--ink-soft); max-width: 62ch; }

.contact-line { font-family: var(--f-mono); font-size: 0.95rem; margin: 1.2em 0; }
.contact-line a { color: var(--accent-ink); }

/* ---- back link ---- */
.backlink { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; margin-bottom: 8px; }
.backlink:hover { color: var(--accent); }
.backlink::before { content: "\2190"; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--rule); padding: 54px 0 60px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer-grid h4 { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 14px; font-weight: 500; }
.footer-grid a { display: block; text-decoration: none; color: var(--ink-soft); padding: 4px 0; font-size: 0.95rem; transition: color .16s; }
.footer-grid a:hover { color: var(--accent); }
.footer-name { font-family: var(--f-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.footer-tag { color: var(--ink-soft); font-size: 0.92rem; margin-top: 6px; max-width: 34ch; }
.footer-base { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-faint); text-transform: uppercase; }

/* ---- responsive ---- */
@media (max-width: 720px) {
  .site-nav { gap: 16px; }
  .entry { grid-template-columns: 1fr auto; gap: 14px; }
  .entry .num { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  body { font-size: 16px; }
}
@media (max-width: 460px) {
  .site-nav a:not(.nav-primary) { display: none; }
}

/* ---- focus + motion baseline ---- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto; } }

/* ---- simplified homepage ---- */
.hero-lite { padding: clamp(76px, 20vh, 210px) 0 clamp(40px, 9vh, 100px); }
.mega { font-family: var(--f-display); font-weight: 900; letter-spacing: -0.045em; line-height: 0.9; font-size: clamp(3.3rem, 13vw, 9rem); margin: 0; }
.mega .stop { color: var(--accent); }
.hero-lite .lede { margin-top: 30px; font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--ink-soft); max-width: 30ch; }
.entry--plain { grid-template-columns: 1fr auto; }
.more { margin-top: 26px; font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }

/* ---- simplified interior pages ---- */
.page-hero { padding: clamp(56px, 12vh, 130px) 0 clamp(32px, 6vh, 64px); }
.page-hero .mega { font-size: clamp(3rem, 11vw, 7rem); }
.page-hero .lede { margin-top: 26px; font-size: clamp(1.1rem, 2.4vw, 1.4rem); color: var(--ink-soft); max-width: 34ch; }
.facts { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.facts li { padding: 22px 4px; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 190px 1fr; gap: 28px; align-items: baseline; }
.facts .k { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.facts .v { color: var(--ink-soft); }
.facts .v b { color: var(--ink); font-weight: 600; }
.cta-line { font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.06em; color: var(--ink-soft); }
.cta-line a { color: var(--accent-ink); }
@media (max-width: 600px) { .facts li { grid-template-columns: 1fr; gap: 6px; } }