/* tchoupani.com — arach.dev's editorial serif + mono labels, on arach.io's blueprint grid. */

:root {
  --bg: #f3f4f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --ink: #0a183e;
  --ink-2: #3a4560;
  --muted: #7a8296;
  --line: #dfe2ea;
  --grid: rgba(46, 68, 230, 0.06);
  --accent: #2e44e6;
  --accent-soft: #e4e8fd;
  --on-accent: #ffffff;
  --logo-tile: #ffffff;
  --footer: #0b0d12;
  --footer-ink: #c9ccd4;

  --serif: "Spectral", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;

  --wrap: 1040px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0f17;
    --surface: #121624;
    --surface-2: #161b2b;
    --ink: #e8ebf4;
    --ink-2: #b2b8c9;
    --muted: #7d8499;
    --line: #232a3d;
    --grid: rgba(143, 166, 245, 0.06);
    --accent: #8fa6f5;
    --accent-soft: #1d2650;
    --on-accent: #0c0f17;
    --logo-tile: #ffffff;
    --footer: #05060a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c0f17;
  --surface: #121624;
  --surface-2: #161b2b;
  --ink: #e8ebf4;
  --ink-2: #b2b8c9;
  --muted: #7d8499;
  --line: #232a3d;
  --grid: rgba(143, 166, 245, 0.06);
  --accent: #8fa6f5;
  --accent-soft: #1d2650;
  --on-accent: #0c0f17;
  --logo-tile: #ffffff;
  --footer: #05060a;
  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
p { margin: 0; }

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Shared type */
.eyebrow,
.mono-xs,
.section__head,
.card__meta,
.fig,
.tag,
.nav__links a {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.dot { color: var(--muted); opacity: 0.6; margin: 0 0.6em; }
.tag--accent, .fig__n, .accent { color: var(--accent); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 52px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 15px; font-weight: 400; }
.brand__mark { width: 10px; height: 10px; border: 1.5px solid var(--accent); border-radius: 2px; }
.nav__links { display: flex; align-items: center; gap: 22px; }
.nav__links a { text-decoration: none; color: var(--ink-2); }
.nav__links a:hover { color: var(--accent); }
.theme-toggle {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border: 0; border-left: 1px solid var(--line);
  padding-left: 16px; margin-left: 4px;
  background: none; color: var(--ink-2); cursor: pointer;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 64px;
}
.eyebrow { color: var(--muted); margin-bottom: 20px; }
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
}
.hero__title em { font-style: italic; font-weight: 300; color: var(--ink-2); }
.creds { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); width: fit-content; max-width: 100%; }
.creds li { display: flex; align-items: baseline; gap: 8px; padding: 8px 13px; border-left: 1px solid var(--line); font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-2); }
.creds li:first-child { border-left: 0; }
.creds__n { color: var(--accent); letter-spacing: 0.06em; }
.hero__lede { max-width: 500px; font-size: 15px; color: var(--ink-2); }
.hero__lede a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
.hero__cta { display: flex; gap: 10px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  transition: border-color 0.15s, transform 0.15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn--solid { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

.hero__fig { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.portrait { position: relative; width: 210px; height: 210px; display: grid; place-items: center; }
.portrait__img { width: 176px; height: 176px; border-radius: 50%; object-fit: cover; background: var(--surface); }
.portrait__ring { position: absolute; inset: 0; fill: none; stroke: var(--accent); stroke-width: 1; opacity: 0.55; }
.fig { color: var(--muted); line-height: 1.9; text-align: center; }

/* Sections */
.section { padding: 24px 0 56px; }
.section--last { padding-bottom: 96px; }
.section__head {
  display: flex; align-items: baseline; gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--ink);
  color: var(--ink-2);
  margin-bottom: 24px;
}
.section__n { color: var(--accent); letter-spacing: 0.1em; }
.section__meta { margin-left: auto; color: var(--muted); }
.section__meta a { color: var(--accent); text-decoration: none; }

/* Career banner (arach.io logo strip) */
.career { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); background: var(--surface); }
.career__item { display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.career__item:first-child { border-left: 0; }
.career__logo {
  display: grid; place-items: center;
  height: 92px; padding: 0 20px;
  background: var(--logo-tile);
  border-bottom: 1px solid var(--line);
}
.career__logo img { max-width: 100%; max-height: 24px; object-fit: contain; }
.career__logo .logo--meta { max-height: 28px; }
.career__logo .logo--breathe { max-height: 32px; }
.career__logo .logo--starbucks { max-height: 28px; }
.career__logo .logo--photoshelter { max-height: 32px; }
.career__logo .logo--primary { max-height: 52px; }
.career__role { padding: 14px 14px 16px; font-size: 12px; line-height: 1.5; color: var(--ink); font-weight: 400; }
.career__note { display: block; color: var(--muted); font-weight: 300; }
.career__yr { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--accent); margin-top: 6px; }

/* Now */
.now { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; }
.now__lead { font-family: var(--serif); font-size: 20px; line-height: 1.4; font-weight: 300; }
.now__list { list-style: none; margin: 0; padding: 0; }
.now__list li { display: grid; grid-template-columns: 86px 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; color: var(--ink-2); }
.now__list a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.now__list a:hover { color: var(--accent); border-color: var(--accent); }
.now__list .mono-xs { color: var(--accent); padding-top: 3px; }

/* Work: project grid */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.proj {
  display: flex; flex-direction: column;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.proj:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 12px 32px -20px rgba(46, 68, 230, 0.4); }
.proj__icon { width: 40px; height: 40px; border-radius: 9px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(10, 24, 62, 0.12), 0 0 0 1px var(--line); }
.proj__icon--word {
  display: grid; place-items: center;
  background: #f6f5f2; color: #2a2a28;
  font-family: var(--mono); font-size: 9.5px; font-weight: 500; letter-spacing: -0.02em;
}
.card__meta { color: var(--ink-2); margin-bottom: 6px; }
.card__meta .num { color: var(--muted); }
.card__title { font-family: var(--serif); font-weight: 400; font-size: 21px; margin: 0 0 4px; }
.card__body { color: var(--ink-2); font-size: 13.5px; margin-bottom: 14px; }
.proj__url { margin-top: auto; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--muted); }
.proj:hover .proj__url { color: var(--accent); }

/* Writing */
.writing { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.writing a {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 20px; align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background 0.15s, padding 0.15s;
}
.writing a:hover { background: var(--surface); padding-left: 12px; }
.w__date, .w__kind { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--muted); }
.w__kind { color: var(--accent); }
.w__title { font-family: var(--serif); font-size: 18px; }
.w__desc { display: block; margin-top: 4px; font-family: var(--sans); font-size: 13px; font-weight: 300; color: var(--ink-2); max-width: 580px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; }
.contact__line { font-family: var(--serif); font-size: clamp(22px, 2.6vw, 28px); line-height: 1.25; font-weight: 300; }
.contact__line a { color: var(--accent); text-decoration: none; font-style: italic; }
.contact__links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.contact__links a {
  display: block; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 4px; background: var(--surface);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-decoration: none; color: var(--ink-2);
}
.contact__links a:hover { border-color: var(--accent); color: var(--accent); }

/* Footer: arach.dev's black strip */
.footer { background: var(--footer); color: var(--footer-ink); font-family: var(--mono); font-size: 10px; }
.footer__inner { max-width: var(--wrap); margin: 0 auto; padding: 10px 24px; display: flex; justify-content: space-between; gap: 16px; }
.footer__right { opacity: 0.6; }

/* Responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0 48px; }
  .hero__fig { order: -1; align-items: flex-start; flex-direction: row; }
  .portrait { width: 130px; height: 130px; }
  .portrait__img { width: 110px; height: 110px; }
  .fig { text-align: left; }
  .now, .contact { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr 1fr; }
  .career { grid-template-columns: 1fr 1fr; }
  .career__item { border-left: 0; border-top: 1px solid var(--line); }
  .career__item:nth-child(even) { border-left: 1px solid var(--line); }
  .career__item:nth-child(-n + 2) { border-top: 0; }
  .career__item:last-child { grid-column: 1 / -1; }
  .nav__links a { display: none; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .projects { grid-template-columns: 1fr; }
  .creds { flex-direction: column; width: 100%; }
  .creds li { border-left: 0; border-top: 1px solid var(--line); }
  .creds li:first-child { border-top: 0; }
  .section__meta { display: none; }
  .writing a { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .w__date { grid-column: 1 / -1; }
  .footer__inner { flex-direction: column; gap: 2px; }
  .card__meta .dot { margin: 0 0.35em; }
}