/* ============================================================
   Qouver — design system
   Editorial, warm, timeless. IBM Plex Sans + IBM Plex Mono.
   ============================================================ */

:root {
  /* Palette */
  --paper: #F4F1E9;        /* page background — warm off-white */
  --paper-2: #ECE7DB;      /* subtle raised surface */
  --ink: #1C1913;          /* primary text */
  --ink-2: #57503F;        /* secondary text */
  --ink-3: #857C68;        /* tertiary / meta text */
  --bronze: #A07030;       /* accent — prospector gold, muted */
  --bronze-2: #7A5422;     /* accent text on light (AA) */
  --bronze-bright: #C89A55;/* accent on dark */
  --line: #D8D0BD;         /* hairlines on light */
  --night: #16130D;        /* dark section background */
  --night-2: #201C14;      /* dark raised surface */
  --bone: #EAE3D2;         /* text on dark */
  --bone-2: #A89E86;       /* secondary text on dark */

  /* Type */
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --maxw: 1180px;
  --pad: clamp(20px, 4vw, 48px);
  --space-section: clamp(4rem, 9vw, 7.5rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--bronze); color: var(--paper); }

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

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

/* ---------- Layout primitives ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.section--tight { padding-top: calc(var(--space-section) * 0.6); padding-bottom: calc(var(--space-section) * 0.6); }

/* ---------- Mono meta label ---------- */
.label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.label--bronze { color: var(--bronze-2); }
.label--dark { color: var(--bone-2); }

/* ---------- Headings ---------- */
.display {
  font-size: clamp(2.6rem, 6.5vw, 5.25rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.display em { font-style: normal; color: var(--bronze-2); }
.h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.h3 {
  font-size: 1.22rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 60ch;
}
.lead--dark { color: var(--bone-2); }
p.body { color: var(--ink-2); max-width: 62ch; }
p.body + p.body { margin-top: 1rem; }
.body--dark { color: var(--bone-2); }

/* ---------- Links ---------- */
.link {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bronze-2);
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.link:hover { color: var(--ink); border-color: var(--bronze); }
.link--dark { color: var(--bronze-bright); }
.link--dark:hover { color: var(--bone); }

/* ---------- Skip link (a11y) ---------- */
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 100;
  padding: 0.7rem 1.1rem;
  background: var(--night);
  color: var(--bone);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 0;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}
.brand__mark { width: 30px; height: 30px; color: var(--ink); transition: color 0.2s ease; }
.brand:hover .brand__mark { color: var(--bronze); }
.brand__word {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav__link {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-2);
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav__link:hover { color: var(--ink); border-color: var(--bronze); }
.nav__link--active { color: var(--ink); border-color: var(--bronze); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(4rem, 9vw, 7rem);
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
  overflow: hidden;
}
.hero__mark {
  position: absolute;
  top: 50%;
  right: clamp(-40px, -2vw, 0px);
  width: clamp(240px, 38vw, 520px);
  height: auto;
  transform: translateY(-50%);
  color: color-mix(in srgb, var(--bronze) 14%, transparent);
  pointer-events: none;
}
.hero__meta { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.6rem; }
.hero__meta::before {
  content: "";
  width: 34px; height: 1px; background: var(--bronze);
}
.hero__display { max-width: 16ch; }
.hero__lead { margin-top: 1.8rem; }
.hero__actions {
  display: flex; flex-wrap: wrap; gap: 1.6rem;
  margin-top: 2.6rem;
}

/* ---------- Philosophy strip (dark) ---------- */
.strip {
  background: var(--night);
  color: var(--bone);
}
.strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.strip__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--bronze-bright);
  letter-spacing: 0.14em;
  margin-bottom: 0.8rem;
}
.strip__item h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 600; letter-spacing: -0.01em; }
.strip__item p { margin-top: 0.5rem; color: var(--bone-2); font-size: 0.95rem; max-width: 38ch; }

/* ---------- Section header ---------- */
.section-head { display: flex; align-items: baseline; gap: 1.2rem; border-top: 1px solid var(--line); padding-top: 1.1rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head__index { font-family: var(--mono); font-size: 0.72rem; color: var(--bronze-2); letter-spacing: 0.14em; white-space: nowrap; }

/* ---------- Project cards ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.project-card {
  background: var(--paper);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  text-decoration: none;
  transition: background 0.18s ease;
}
.project-card:hover { background: var(--paper-2); }
.project-card__meta { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.project-card__status { display: inline-flex; align-items: center; gap: 0.45rem; color: var(--bronze-2); }
.project-card__status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--bronze); }
.project-card__name { font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 600; letter-spacing: -0.01em; }
.project-card__desc { color: var(--ink-2); font-size: 0.95rem; max-width: 48ch; }
.project-card--static { cursor: default; }
.project-card__foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-top: auto; padding-top: 0.6rem; }
.project-card__stack { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.project-card__visit { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bronze-2); white-space: nowrap; }

/* ---------- Manifesto block (dark) ---------- */
.manifesto {
  background: var(--night);
  color: var(--bone);
}
.manifesto__quote {
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.015em;
  max-width: 26ch;
  text-wrap: balance;
}
.manifesto__quote em { font-style: normal; color: var(--bronze-bright); }
.manifesto__row { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-top: 2.6rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--night-2);
  color: var(--bone);
  border-top: 1px solid var(--night);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(3rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
}
.site-footer__brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--bone); text-decoration: none; }
.site-footer__brand .brand__mark { color: var(--bone); }
.site-footer__brand:hover .brand__mark { color: var(--bronze-bright); }
.footer__tagline { margin-top: 1rem; color: var(--bone-2); font-size: 0.92rem; max-width: 34ch; }
.footer__col h4 { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bone-2); margin-bottom: 1.1rem; }
.footer__col ul { display: grid; gap: 0.7rem; }
.footer__col a {
  color: var(--bone);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer__col a:hover { color: var(--bronze-bright); border-color: var(--bronze-bright); }
.site-footer__bottom {
  border-top: 1px solid var(--night);
  padding: 1.4rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-2);
}

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-top: clamp(3.5rem, 7vw, 5.5rem); }
.page-title {
  font-size: clamp(2.2rem, 5vw, 3.9rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  max-width: 24ch;
}
.page-title em { font-style: normal; color: var(--bronze-2); }
.page-head__meta { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.4rem; }
.page-head__meta::before { content: ""; width: 34px; height: 1px; background: var(--bronze); }

/* ---------- Project detail rows ---------- */
.project-row {
  border-top: 1px solid var(--line);
  padding: clamp(2rem, 4vw, 3rem) 0;
}
.project-row:last-child { border-bottom: 1px solid var(--line); }
.project-row__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem; flex-wrap: wrap; }
.project-row__focus { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.9rem 2rem; margin-top: 1.4rem; }
.project-row__focus li { display: flex; gap: 0.7rem; color: var(--ink-2); font-size: 0.95rem; }
.project-row__focus li::before { content: "—"; color: var(--bronze); flex: none; }
.project-row__foot { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; margin-top: 1.8rem; }

/* ---------- Two-column editorial ---------- */
.editorial { display: grid; grid-template-columns: 240px 1fr; gap: clamp(2rem, 5vw, 4rem); }
.editorial__label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding-top: 0.35rem; }
@media (max-width: 720px) {
  .editorial { grid-template-columns: 1fr; gap: 1.4rem; }
  .editorial__label { padding-top: 0; }
}

/* ---------- Compare columns (is / is not) ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.compare__col { background: var(--paper); padding: clamp(1.5rem, 3vw, 2.2rem); }
.compare__col h3 { font-family: var(--mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 1.2rem; }
.compare__col--is h3 { color: var(--bronze-2); }
.compare__col ul { display: grid; gap: 0.6rem; color: var(--ink-2); font-size: 0.95rem; }
.compare__col li { display: flex; gap: 0.7rem; }
.compare__col li::before { content: "—"; color: var(--bronze); flex: none; }

/* ---------- Contact ---------- */
.contact-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-row {
  background: var(--paper);
  padding: clamp(1.4rem, 3vw, 2rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.contact-row__label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.contact-row__value { font-size: clamp(1.05rem, 2vw, 1.35rem); font-weight: 500; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); transition: color 0.15s ease, border-color 0.15s ease; }
.contact-row__value:hover { color: var(--bronze-2); border-color: var(--bronze); }
.contact-row__note { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- Misc ---------- */
.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-2 > * { background: var(--paper); padding: clamp(1.4rem, 3vw, 2rem); }

@media (max-width: 720px) {
  .strip__grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1fr; }
  .site-header__inner { height: 64px; }
}