/*
 * Concrete — dense swiss two-column grid.
 * Paired content blocks sit side by side per row.
 * Thin rules, small titles, tight type, accent on details.
 */

@font-face {
  font-family: 'Archivo';
  src: url('/fonts/archivo/Archivo-Variable.woff2') format('woff2-variations'),
       url('/fonts/archivo/Archivo-Variable.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo Black';
  src: url('/fonts/archivo/ArchivoBlack-Regular.woff2') format('woff2');
  font-weight: 400 900; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Nexa';
  src: url('/fonts/nexa/Nexa-Black.woff2') format('woff2');
  font-weight: 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

[data-theme='concrete'] {
  --bg: #f7f5f3;
  --fg: #1a1815;
  --muted: #6b6358;
  --accent: #ff0055;
  --accent-2: #1a5e8a;
  --surface: #e3ddd3;

  --font-display: 'Nexa', 'Archivo Black', 'Archivo', system-ui, sans-serif;
  --font-body: 'Archivo', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

/* ── Rows: two columns side by side ────────────────────────────────────── */

[data-theme='concrete'] #main {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 var(--gutter);
}

[data-theme='concrete'] .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--gutter);
  border-top: 1px solid var(--fg);
}
[data-theme='concrete'] .row:first-child {
  border-top: 0;
}

[data-theme='concrete'] .row__left,
[data-theme='concrete'] .row__right {
  padding: var(--space-5) 0;
}

[data-theme='concrete'] .row__left {
  padding-right: var(--gutter);
  border-right: 1px solid var(--surface);
}
[data-theme='concrete'] .row__right {
  padding-left: var(--gutter);
}

/* ── Work row: 3 left sections + tall right ───────────────────────────── */

[data-theme='concrete'] .row--work {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
}
[data-theme='concrete'] .work__cell {
  grid-column: 1;
  padding: var(--space-5) var(--gutter) var(--space-5) 0;
  border-right: 1px solid var(--surface);
  border-top: 1px solid var(--surface);
}
[data-theme='concrete'] .work__cell:first-child {
  border-top: 0;
}
[data-theme='concrete'] .work__aside {
  grid-column: 2;
  grid-row: 1 / -1;
  padding: var(--space-5) 0 var(--space-5) var(--gutter);
}

/* ── Block titles ──────────────────────────────────────────────────────── */

[data-theme='concrete'] .block__title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-3);
}

[data-theme='concrete'] .block__body {
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */

[data-theme='concrete'] .hero__left {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 40px;
}

[data-theme='concrete'] .hero__mark {
  font-family: var(--font-display);
  font-size: clamp(48px, 5.5vw, 80px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: var(--accent);
  flex-shrink: 0;
}

[data-theme='concrete'] .hero__headline {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  white-space: pre-line;
}

[data-theme='concrete'] .hero__lede {
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 var(--space-4);
}

[data-theme='concrete'] .hero__cta { margin: 0; }

/* ── Case studies ──────────────────────────────────────────────────────── */

[data-theme='concrete'] .cs-list { margin: 0; }
[data-theme='concrete'] .cs-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  column-gap: var(--space-3);
  row-gap: 2px;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--surface);
}
[data-theme='concrete'] .cs-row:first-child { border-top: 0; padding-top: 0; }

[data-theme='concrete'] .cs-row__id {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  width: auto; height: auto;
  background: none; border-radius: 0;
  padding-top: 2px;
}
[data-theme='concrete'] .cs-row__title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}
[data-theme='concrete'] .cs-row__outcome {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  margin: 0;
}

/* ── Team ──────────────────────────────────────────────────────────────── */

[data-theme='concrete'] .tm-member + .tm-member {
  margin-top: var(--space-5);
}

[data-theme='concrete'] .tm-member {
  display: grid;
  grid-template-columns: 80px 1fr;
  column-gap: var(--space-4);
  row-gap: 0;
  align-items: center;
}

[data-theme='concrete'] .tm-portrait {
  grid-column: 1;
  grid-row: 1 / 3;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface);
  overflow: hidden;
  position: relative;
}
[data-theme='concrete'] .tm-portrait__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

[data-theme='concrete'] .tm-member__info { align-self: auto; }
[data-theme='concrete'] .tm-member__name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}
[data-theme='concrete'] .tm-member__role {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--accent);
  margin: 1px 0 0;
}
[data-theme='concrete'] .tm-member__bio {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  margin: var(--space-2) 0 0;
}

/* ── Contact ───────────────────────────────────────────────────────────── */

[data-theme='concrete'] .ct-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--gutter);
}

[data-theme='concrete'] .ct-paths {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-3) 0;
}
[data-theme='concrete'] .ct-path {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  font-size: 13px;
  transition: color 100ms ease;
}
[data-theme='concrete'] .ct-path:hover { color: var(--accent); }
[data-theme='concrete'] .ct-path__value { font-weight: 600; }
[data-theme='concrete'] .ct-path__arrow { font-size: 12px; }

[data-theme='concrete'] .ct-form {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}
[data-theme='concrete'] .ct-form__row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
[data-theme='concrete'] .ct-form__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}
[data-theme='concrete'] .ct-form__input {
  padding: var(--space-2);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--fg);
  font-size: 14px;
}
[data-theme='concrete'] .ct-form__input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
[data-theme='concrete'] .ct-form__submit {
  justify-self: start;
  padding: var(--space-2) var(--space-4);
  border: 0;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  cursor: pointer;
}
[data-theme='concrete'] .ct-form__submit:hover { background: var(--accent); }
[data-theme='concrete'] .ct-form__submit[disabled] { opacity: 0.5; cursor: progress; }
[data-theme='concrete'] .ct-form__status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--muted);
}
[data-theme='concrete'] .ct-form__status[data-state='error'] { color: var(--accent); }
[data-theme='concrete'] .ct-form__status[data-state='ok']    { color: var(--fg); }

/* ── CTA ───────────────────────────────────────────────────────────────── */

[data-theme='concrete'] .cta {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--fg);
  color: var(--bg);
  border: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  box-shadow: none;
  transition: background 100ms ease;
}
[data-theme='concrete'] .cta:hover { background: var(--accent); }

/* ── Header ────────────────────────────────────────────────────────────── */

[data-theme='concrete'] #site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--fg);
}
[data-theme='concrete'] .mark { font-weight: 700; }
[data-theme='concrete'] .site-footer__email { font-weight: 700; }

/* ── Theme toggle ─────────────────────────────────────────────────────── */

[data-theme='concrete'] .theme-toggle {
  position: fixed;
  top: var(--gutter);
  right: var(--gutter);
  z-index: 100;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--fg);
  transition: color 100ms ease;
}
[data-theme='concrete'] .theme-toggle:hover { color: var(--accent); }
[data-theme='concrete'] .theme-toggle__sun { display: none; }
html.dark .theme-toggle__moon { display: none !important; }
html.dark .theme-toggle__sun { display: block !important; }

/* ── Dark mode ────────────────────────────────────────────────────────── */

html.dark[data-theme='concrete'] {
  --bg: #0e0e12;
  --fg: #e8e6e1;
  --muted: #8a8279;
  --accent: #ff3370;
  --surface: #1e1d24;
}

/* Dead rules — old section/eyebrow classes no longer in Landing markup */
[data-theme='concrete'] .section__eyebrow,
[data-theme='concrete'] .hero__eyebrow,
[data-theme='concrete'] .section__title,
[data-theme='concrete'] .section__body { display: none; }

/* ── Mobile ────────────────────────────────────────────────────────────── */

@media (max-width: 767px) {
  [data-theme='concrete'] .row {
    grid-template-columns: 1fr;
  }
  [data-theme='concrete'] .row__left {
    border-right: 0;
    padding-right: 0;
    padding-bottom: 0;
  }
  [data-theme='concrete'] .row__right {
    padding-left: 0;
    padding-top: var(--space-4);
    border-top: 1px solid var(--surface);
  }
  [data-theme='concrete'] .hero__headline {
    font-size: clamp(24px, 8vw, 40px);
  }
  [data-theme='concrete'] .ct-layout {
    grid-template-columns: 1fr;
  }
  [data-theme='concrete'] .row--work {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  [data-theme='concrete'] .work__cell {
    border-right: 0;
    padding-right: 0;
  }
  [data-theme='concrete'] .work__aside {
    grid-column: 1;
    grid-row: auto;
    padding-left: 0;
    padding-top: var(--space-4);
    border-top: 1px solid var(--surface);
  }
  [data-theme='concrete'] .tm-member {
    grid-template-columns: 60px 1fr;
  }
}