/* ------------------------------------------------------------------
   Katie Tucker — site styles
   Warm paper, ink, one clay accent. Fraunces for voice, Plex for work.
   ------------------------------------------------------------------ */

:root {
  --bg: #F6F2EC;
  --bg-2: #EDE7DE;
  --card: #FFFDFA;
  --ink: #1C1A17;
  --ink-2: #4A453E;
  --muted: #7A736A;
  --line: #D9D2C7;
  --accent: #B4512F;
  --accent-ink: #8E3E22;
  --accent-soft: #F3DED4;
  --on-ink: #F6F2EC;
  --shadow: 0 1px 2px rgba(28, 26, 23, .05), 0 14px 36px -18px rgba(28, 26, 23, .22);
  --radius: 18px;
  --feature-bg: #1C1A17;
  --feature-fg: #F6F2EC;
  --feature-muted: rgba(246, 242, 236, .72);
  --feature-line: transparent;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15130F;
    --bg-2: #1D1A15;
    --card: #211D18;
    --ink: #F2EDE5;
    --ink-2: #CFC7BB;
    --muted: #9A9184;
    --line: #322C24;
    --accent: #E07A55;
    --accent-ink: #F0A383;
    --accent-soft: #3A2419;
    --on-ink: #15130F;
    --feature-bg: #262119;
    --feature-fg: #F2EDE5;
    --feature-muted: #CFC7BB;
    --feature-line: #3A332A;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 14px 36px -18px rgba(0, 0, 0, .6);
  }
}
:root[data-theme="dark"] {
  --bg: #15130F;
  --bg-2: #1D1A15;
  --card: #211D18;
  --ink: #F2EDE5;
  --ink-2: #CFC7BB;
  --muted: #9A9184;
  --line: #322C24;
  --accent: #E07A55;
  --accent-ink: #F0A383;
  --accent-soft: #3A2419;
  --on-ink: #15130F;
    --feature-bg: #262119;
    --feature-fg: #F2EDE5;
    --feature-muted: #CFC7BB;
    --feature-line: #3A332A;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
a:hover { color: var(--accent-ink); }
::selection { background: var(--accent-soft); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1120px; margin-inline: auto; padding-inline: 24px; }
.narrow { max-width: 680px; }
@media (max-width: 640px) { .wrap { padding-inline: 16px; } }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--ink); color: var(--on-ink);
  padding: 8px 12px; border-radius: 8px; text-decoration: none;
}
.skip:focus { left: 8px; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--serif); font-variation-settings: "opsz" 144; }
h1 {
  font-weight: 400;
  font-size: clamp(2.7rem, 6.2vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -.022em;
  margin: 0 0 24px;
}
h1 em { font-style: italic; font-weight: 300; color: var(--accent); }
h2 {
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.12;
  letter-spacing: -.015em;
  margin: 0;
}
h3 {
  font-weight: 500;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}
h3.mt { margin-top: 36px; }
h4 {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 8px;
}
.label {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  font-weight: 600;
  margin: 0 0 14px;
}
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-size: .84rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); font-weight: 500; margin: 0 0 22px;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); flex: none;
}
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 56ch; margin: 0 0 32px; }
.section-intro { font-size: 1.1rem; color: var(--ink-2); margin: 18px 0 0; max-width: 62ch; }
.small { font-size: .9rem; color: var(--muted); }
.prose p { margin: 0 0 18px; font-size: 1.05rem; }
.prose p:last-child { margin-bottom: 0; }

/* ---------- buttons ---------- */
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.actions.center { justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  text-decoration: none; font-weight: 500; font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.btn-primary { background: var(--ink); color: var(--on-ink); }
.btn-primary:hover { transform: translateY(-1px); color: var(--on-ink); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn.is-placeholder { opacity: .55; border-style: dashed; cursor: not-allowed; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand {
  font-family: var(--serif); font-weight: 600; font-size: 1.25rem;
  letter-spacing: -.01em; text-decoration: none; color: var(--ink);
}
.brand:hover { color: var(--ink); }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { text-decoration: none; font-size: .95rem; font-weight: 500; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.nav a.nav-cta { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); }
.nav a.nav-cta:hover { border-color: var(--ink); }
.nav-toggle {
  display: none; font: inherit; font-weight: 500; font-size: .9rem;
  background: transparent; color: var(--ink); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px; cursor: pointer;
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 4px; font-size: 1.05rem; border-top: 1px solid var(--line); }
  .nav a:first-child { border-top: 0; }
  .nav a.nav-cta { margin-top: 10px; text-align: center; justify-content: center; border-top: 1px solid var(--line); }
}

/* ---------- hero ---------- */
.hero { padding: 72px 0 48px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px; align-items: center;
}
.hero-photo {
  margin: 0; position: relative; justify-self: end;
  width: min(100%, 380px); aspect-ratio: 4 / 5;
}
.hero-photo img {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: cover;
  border-radius: var(--radius);
}
.proof {
  list-style: none; margin: 60px 0 0; padding: 28px 0 0;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.proof li { display: flex; flex-direction: column; gap: 2px; }
.proof strong { font-weight: 600; font-size: .98rem; }
.proof span { font-size: .85rem; color: var(--muted); }
@media (max-width: 900px) {
  .hero { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-photo { justify-self: start; width: min(100%, 300px); order: -1; }
}
@media (max-width: 760px) { .proof { grid-template-columns: 1fr 1fr; gap: 20px; } }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-2); }
.section-head { max-width: 780px; margin-bottom: 48px; }
@media (max-width: 760px) { .section { padding: 72px 0; } .section-head { margin-bottom: 36px; } }

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 56px; align-items: start;
}
.principles {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
}
.principles h3 { font-family: var(--sans); font-size: 1rem; font-weight: 600; margin: 0 0 12px; letter-spacing: 0; }
.principles ol { margin: 0; padding: 0; list-style: none; counter-reset: p; }
.principles li {
  counter-increment: p; padding: 16px 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 32px 1fr; gap: 12px;
}
.principles li::before {
  content: counter(p, decimal-leading-zero);
  font-family: var(--serif); color: var(--accent); font-size: 1.1rem; line-height: 1.5;
}
.principles strong { display: block; margin-bottom: 4px; }
.principles p { margin: 0; color: var(--ink-2); font-size: .97rem; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- work ---------- */
/* Each case is a <details>; its header is the <summary>. The first is open by default,
   the rest show kicker, title, stats and a one-line summary until clicked. */
.case {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 0; margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.case[open] { padding-bottom: 36px; }
.case-head {
  list-style: none; cursor: pointer; padding: 32px 36px; border-radius: var(--radius);
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 0 32px; align-items: start;
  grid-template-areas: "kicker stats toggle" "title stats toggle" "summary stats toggle";
}
.case-head::-webkit-details-marker { display: none; }
.case-head:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.case-kicker {
  font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 10px; font-weight: 500;
}
.case-head .case-kicker { grid-area: kicker; display: block; }
.case h3 { font-size: 1.75rem; max-width: 24ch; margin: 0; }
.case-head h3 { grid-area: title; }
.case-summary { grid-area: summary; display: block; margin-top: 14px; color: var(--ink-2); font-size: .98rem; max-width: 58ch; }
.case[open] > .case-head .case-summary { display: none; }
.case-head > .tool-toggle { grid-area: toggle; }
.stats { grid-area: stats; display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; }
.stats strong {
  font-family: var(--serif); font-weight: 400; font-size: 2rem; line-height: 1;
  color: var(--accent); font-variation-settings: "opsz" 144;
}
.stat > span { font-size: .76rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-top: 6px; }
.case-body {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 0 36px;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.case[open] > .case-body { animation: tool-in .28s ease; }
.case-body p { margin: 0; color: var(--ink-2); font-size: .98rem; }
@media (max-width: 900px) {
  .case[open] { padding-bottom: 24px; }
  .case-head {
    padding: 24px; gap: 0 16px; grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "kicker toggle" "title toggle" "summary toggle" "stats stats";
  }
  .case h3 { font-size: 1.4rem; }
  .case-body { grid-template-columns: 1fr; gap: 20px; margin: 0 24px; }
  .stats { gap: 24px; margin-top: 20px; }
  .stats strong { font-size: 1.6rem; }
}

/* Press coverage folds to one line inside the case. */
.case-context {
  margin: 28px 36px 0;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px;
}
.case-context > summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 14px;
  padding: 14px 20px 14px 24px; border-radius: 12px;
}
.case-context > summary::-webkit-details-marker { display: none; }
.case-context > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.ctx-title { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.ctx-meta { margin-left: auto; font-size: .85rem; color: var(--muted); white-space: nowrap; }
.case-context .tool-toggle { width: 26px; height: 26px; font-size: 1rem; }
.case-context-body {
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px 32px;
  padding: 6px 24px 22px;
}
.case-context[open] > .case-context-body { animation: tool-in .28s ease; }
.case-context p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.links a {
  display: block; position: relative; padding-left: 18px;
  text-decoration: none; font-weight: 500; font-size: .93rem; line-height: 1.4; color: var(--ink);
}
.links a::before { content: "↗"; position: absolute; left: 0; top: 0; color: var(--accent); }
.links a:hover { color: var(--accent-ink); }
.links .src { display: block; font-weight: 400; color: var(--muted); font-size: .82rem; margin-top: 2px; }
@media (max-width: 900px) {
  .case-context { margin: 24px 24px 0; }
  .case-context > summary { padding: 12px 14px 12px 18px; flex-wrap: wrap; gap: 8px 12px; }
  .ctx-meta { margin-left: 0; flex-basis: 100%; order: 3; }
  .case-context-body { grid-template-columns: 1fr; padding: 2px 18px 18px; }
}

/* Dated lists: "Earlier" under Selected work, and the Education & certifications columns. */
.earlier { margin-top: 64px; }
.earlier h3, .cv h3 { margin-bottom: 18px; }
.earlier dl, .cv dl { display: grid; grid-template-columns: 140px 1fr; gap: 0 32px; margin: 0; }
.earlier dt, .cv dt { font-size: .85rem; color: var(--muted); padding: 18px 0; border-top: 1px solid var(--line); }
.earlier dd, .cv dd { margin: 0; padding: 18px 0; border-top: 1px solid var(--line); color: var(--ink-2); }
.earlier dd strong, .cv dd strong { display: block; color: var(--ink); margin-bottom: 4px; }
.cv { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px 64px; align-items: start; }
.cv dl { grid-template-columns: 110px 1fr; gap: 0 24px; }
.cv dd { font-size: .95rem; }
@media (max-width: 900px) { .cv { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .earlier dl { grid-template-columns: 1fr; }
  .earlier dt { padding-bottom: 0; }
  .earlier dd { border-top: 0; padding-top: 6px; }
}

/* ---------- speaking ---------- */
.speaking-grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 24px; align-items: stretch; margin-bottom: 64px;
}
.feature-talk {
  position: relative; overflow: hidden;
  background: var(--feature-bg); color: var(--feature-fg);
  border: 1px solid var(--feature-line);
  border-radius: var(--radius); padding: 36px;
  display: flex; flex-direction: column; justify-content: flex-end; min-height: 300px;
}
.feature-talk::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 88% 10%, rgba(180, 81, 47, .75), transparent 46%);
}
.feature-talk > * { position: relative; }
.feature-talk .case-kicker { color: var(--feature-muted); }
.feature-talk h3 { font-size: 1.85rem; color: var(--feature-fg); font-weight: 400; margin-bottom: 12px; }
.feature-talk p { margin: 0; color: var(--feature-muted); }
.quote-card {
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--card);
  padding: 36px; display: flex; flex-direction: column; justify-content: center; gap: 6px;
  box-shadow: var(--shadow);
}
.quote-card blockquote { font-size: clamp(1.4rem, 2.3vw, 1.85rem); }
blockquote {
  margin: 0; font-family: var(--serif); font-variation-settings: "opsz" 144;
  font-size: 1.35rem; line-height: 1.3; font-weight: 400; letter-spacing: -.01em;
}
cite { display: block; margin-top: 12px; font-style: normal; font-size: .85rem; color: var(--muted); }
@media (max-width: 900px) {
  .speaking-grid { grid-template-columns: 1fr; }
  .feature-talk { min-height: 260px; padding: 28px; }
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  padding: 14px 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 56px 1fr; gap: 16px;
}
.list .yr { font-size: .85rem; color: var(--muted); padding-top: 3px; }
.list strong { font-weight: 600; }
.list .where { display: block; color: var(--ink-2); font-size: .93rem; margin-top: 2px; }
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- carousel ---------- */
.carousel {
  display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 24px 36px; align-items: stretch; margin-bottom: 40px; outline-offset: 6px;
}
.carousel-stage {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden;
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-2);
  touch-action: pan-y;
}
.carousel-track { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .5s ease; }
.carousel-slide.is-active { opacity: 1; }
.carousel-slide img {
  width: 100%; height: 100%; object-fit: cover; object-position: var(--pos, center);
  user-select: none; -webkit-user-drag: none;
}
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(28, 26, 23, .55); color: #fff;
  font: inherit; font-size: 1.1rem; display: grid; place-items: center;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  transition: background .15s ease;
}
.carousel-btn:hover { background: rgba(28, 26, 23, .85); }
.carousel-btn.prev { left: 14px; }
.carousel-btn.next { right: 14px; }
.carousel-side { display: flex; flex-direction: column; justify-content: flex-start; gap: 12px; padding: 6px 0; }
.carousel-side .case-kicker { margin: 0; }
.carousel-side h3 { font-size: 1.6rem; margin: 0; }
.project-desc { margin: 0; color: var(--ink-2); font-size: .98rem; }
.carousel-caption {
  margin: auto 0 0; padding-top: 14px;
  font-size: .9rem; line-height: 1.45; color: var(--muted); min-height: 2.9em;
}
.project { margin-bottom: 56px; }
.project:last-child { margin-bottom: 0; }
.carousel.is-single .carousel-btn, .carousel.is-single .carousel-meta { display: none; }
.carousel.is-single .carousel-caption { margin-top: 0; padding-top: 0; min-height: 0; }
@media (min-width: 901px) { .wrap > article.project:nth-of-type(even) .carousel-stage { order: 2; } }
.carousel-meta {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-top: 1px solid var(--line); padding-top: 14px;
}
.carousel-count { font-size: .85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots button {
  width: 9px; height: 9px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
  background: var(--line); transition: background .15s ease, transform .15s ease;
}
.carousel-dots button.is-active { background: var(--accent); transform: scale(1.3); }
@media (max-width: 900px) {
  .carousel { grid-template-columns: 1fr; gap: 14px; }
  .carousel-side { padding: 0; gap: 10px; }
  .carousel-side h3 { font-size: 1.35rem; }
  .carousel-caption { min-height: 0; margin-top: 4px; padding-top: 0; }
  .carousel-btn { width: 38px; height: 38px; }
  .project { margin-bottom: 44px; }
}

/* ---------- teaching: one carousel, named tabs, typographic plates until photos arrive ---------- */
.carousel.teaching { margin-bottom: 0; }
.carousel.has-tabs .carousel-dots { flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.carousel.has-tabs .carousel-dots button {
  width: auto; height: auto; border-radius: 999px; padding: 6px 12px;
  font: inherit; font-size: .74rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); background: transparent; border: 1px solid var(--line);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.carousel.has-tabs .carousel-dots button:hover { border-color: var(--ink); color: var(--ink); }
.carousel.has-tabs .carousel-dots button.is-active {
  background: var(--ink); color: var(--on-ink); border-color: var(--ink); transform: none;
}
.slide-plate {
  position: absolute; inset: 0; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 14px;
  padding: clamp(20px, 6%, 48px) clamp(68px, 10%, 84px); /* side padding clears the arrows */
  background: var(--feature-bg); color: var(--feature-fg);
}
.slide-plate::before {
  content: attr(data-mark); position: absolute; top: -.1em; right: .04em; line-height: 1;
  font-family: 'Fraunces', Georgia, serif; font-weight: 300; font-variation-settings: 'opsz' 144;
  font-size: clamp(7rem, 22vw, 15rem); letter-spacing: -.04em;
  color: var(--feature-fg); opacity: .07; pointer-events: none;
}
.plate-kicker {
  position: relative; margin: 0; font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600; color: #E07A55;
}
.slide-plate ul { position: relative; list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.slide-plate li {
  font-family: 'Fraunces', Georgia, serif; font-weight: 400; line-height: 1.15;
  font-size: clamp(1.15rem, 2.4vw, 1.9rem); letter-spacing: -.01em; max-width: 20ch;
}
.slide-plate .code {
  display: block; margin-bottom: 4px; font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--feature-muted);
}

/* ---------- cards (tools) ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.card .case-kicker { margin-bottom: 8px; }
.card h3 { font-size: 1.25rem; }
.card p { margin: 0; color: var(--ink-2); font-size: .95rem; }
/* Each tool is a <details>: kicker + title until clicked, no JS needed. */
.tools-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.tool { padding: 0; }
.tool summary {
  list-style: none; cursor: pointer; padding: 22px 26px;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "kicker toggle" "title toggle";
  gap: 6px 16px; align-items: start; border-radius: var(--radius);
}
.tool summary::-webkit-details-marker { display: none; }
.tool summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.tool summary .case-kicker { grid-area: kicker; margin: 0; }
.tool summary h3 { grid-area: title; margin: 0; }
.tool-toggle {
  grid-area: toggle; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted); font-size: 1.15rem; line-height: 1;
  transition: transform .25s ease, border-color .15s ease, color .15s ease;
}
/* Shared with the case studies: the circle darkens on hover and turns into an × when open. */
summary:hover > .tool-toggle, details[open] > summary > .tool-toggle { border-color: var(--ink); color: var(--ink); }
details[open] > summary > .tool-toggle { transform: rotate(45deg); }
.tool-body { padding: 0 26px 24px; display: grid; gap: 10px; }
.tool[open] .tool-body { animation: tool-in .28s ease; }
@keyframes tool-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.tool-format { font-size: .85rem; color: var(--muted); }
.tool .actions { padding-top: 6px; }
.btn-sm { padding: 9px 16px; font-size: .88rem; }
@media (prefers-reduced-motion: reduce) { .tool[open] .tool-body { animation: none; } .tool-toggle { transition: none; } }
@media (max-width: 1000px) { .tools-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .tools-grid { grid-template-columns: 1fr; } }

/* ---------- contact / footer ---------- */
.contact { text-align: center; padding: 128px 0 112px; }
.contact h2 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 18px; }
.contact p { font-size: 1.1rem; color: var(--ink-2); margin: 0 0 28px; }
.contact .small { margin: 20px 0 0; }
footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: .88rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ---------- reveal on scroll (only when JS is running) ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}