/* Teczito — www.teczito.com
   Monochrome, matching the logo. When a brand colour is chosen, set --accent
   below and it propagates to links, buttons and rules. */

:root {
  /* Colour */
  --bg:          #ffffff;
  --bg-sunken:   #f6f6f5;
  --ink:         #16181a;
  --ink-muted:   #5f6467;
  --ink-faint:   #8b9094;
  --rule:        #e2e3e2;
  --accent:      #16181a;   /* ← set a brand colour here */
  --accent-ink:  #ffffff;

  /* Type */
  /* System stack only — nothing is fetched from a CDN. */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;

  /* Rhythm */
  --measure: 68ch;
  --page:    1080px;
  --logo-width: clamp(200px, 20vw, 260px);  /* ← header logo size */
  --gutter:  clamp(1.25rem, 5vw, 3rem);
  --section: clamp(4rem, 10vw, 7.5rem);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

:where(a, .button):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

/* ---------- Header ---------- */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  max-width: var(--page);
  margin-inline: auto;
  padding: 1.75rem var(--gutter);
}

.brand { display: block; flex: none; }
.brand img { width: var(--logo-width); height: auto; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.75rem;
  font-size: 0.9375rem;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- Hero ---------- */

.hero {
  max-width: var(--page);
  margin-inline: auto;
  padding: clamp(2.5rem, 7vw, 5rem) var(--gutter) var(--section);
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  margin: 0 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero h1 {
  max-width: 18ch;
  font-size: clamp(2.25rem, 1.4rem + 4.2vw, 4rem);
  font-weight: 600;
}

.lede {
  max-width: 54ch;
  margin: 1.5rem 0 0;
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.3125rem);
  line-height: 1.55;
  color: var(--ink-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.75rem;
  margin: 2.5rem 0 0;
}

.button {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 2px;
}

.button:hover { opacity: 0.85; }

.button-quiet {
  font-size: 0.9375rem;
  color: var(--ink-muted);
  text-decoration-color: var(--rule);
}

.button-quiet:hover { color: var(--ink); }

/* ---------- Sections ---------- */

.section {
  max-width: var(--page);
  margin-inline: auto;
  padding: var(--section) var(--gutter);
  border-bottom: 1px solid var(--rule);
}

.section h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2rem);
  font-weight: 600;
}

.section-lede {
  max-width: var(--measure);
  margin: 1rem 0 0;
  color: var(--ink-muted);
}

/* ---------- What I do ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1px;
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.card {
  background: var(--bg);
  padding: 1.75rem;
}

.card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.card p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

/* ---------- Selected work ---------- */

.work {
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
}

.work-item {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: 1rem 3rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--rule);
}

.work-item:last-child { border-bottom: 1px solid var(--rule); }

.work-meta h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.work-domain,
.work-dates {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.work-dates { font-family: var(--font-mono); font-size: 0.8125rem; }

.work-body p { margin: 0; max-width: var(--measure); color: var(--ink-muted); }

.work-projects {
  max-width: var(--measure);
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.work-projects li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.4rem;
}

.work-projects li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.4rem;
  height: 1px;
  background: var(--ink-faint);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.2rem 0.6rem;
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

@media (max-width: 46rem) {
  .work-item { grid-template-columns: 1fr; gap: 1rem; }
}

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 16rem);
  gap: 2rem 4rem;
  align-items: start;
  margin-top: 2.5rem;
}

.about-text p { max-width: var(--measure); margin: 0 0 1.25rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-langs {
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
  color: var(--ink-muted);
}

.about-langs strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}

.about-photo { margin: 0; }

.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--bg-sunken);
  border-radius: 2px;
}

@media (max-width: 46rem) {
  .about { grid-template-columns: 1fr; }
  .about-photo { max-width: 13rem; }
}

/* ---------- Contact ---------- */

.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 2rem;
  margin: 2.5rem 0 0;
}

.contact dt {
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.contact dd { margin: 0; font-size: 1.0625rem; }

/* ---------- Footer ---------- */

.site-footer {
  max-width: var(--page);
  margin-inline: auto;
  padding: 2.5rem var(--gutter) 4rem;
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.site-footer p { margin: 0 0 0.35rem; }