/* ==========================================================================
   Ana Rosa Lerma — Portfolio
   Design system: tokens → base → layout → components → pages → utilities
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces */
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --sunken: #F3F3F0;
  --frame: #F1F0EC;          /* neutral warm gray behind every image */
  --dark: #111216;
  --dark-2: #1B1C21;
  --dark-line: #2C2E35;

  /* Text — all pass WCAG AA on their surface */
  --ink: #111216;
  --ink-2: #2B2D33;
  --muted: #4E515A;          /* 7.6:1 on --bg */
  --faint: #62656E;          /* 5.6:1 on --bg */
  --on-dark: #F3F3F0;
  --on-dark-muted: #B0B2BA;  /* 8.6:1 on --dark */

  /* Lines */
  --line: #E4E3DE;
  --line-strong: #CFCEC8;

  /* Accent — cobalt, sits well next to the navy/blue in the work */
  --accent: #2F47C6;         /* 6.9:1 on --bg */
  --accent-ink: #22359E;
  --accent-soft: #ECEEFB;
  --accent-on-dark: #9DAAF2;

  /* Type */
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;

  --fs-xs: 0.78rem;
  --fs-sm: 0.875rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.1875rem;
  --fs-lg: clamp(1.5rem, 1.25rem + 0.9vw, 1.9rem);
  --fs-xl: clamp(2.1rem, 1.6rem + 2vw, 3.2rem);
  --fs-2xl: clamp(2.8rem, 1.9rem + 3.8vw, 5.2rem);
  --frame-pad: clamp(.6rem, 1.6vw, 1.1rem);

  /* Space & shape */
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --max: 1180px;
  --max-text: 720px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(17,18,22,.04), 0 8px 24px rgba(17,18,22,.06);
  --shadow-lift: 0 2px 4px rgba(17,18,22,.05), 0 20px 48px rgba(17,18,22,.12);

  /* Motion */
  --ease: cubic-bezier(.16, 1, .3, 1);
  --dur: .9s;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 400; letter-spacing: -0.012em; line-height: 1.08; color: var(--ink); text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
a { color: inherit; }
strong { font-weight: 600; color: var(--ink); }
.serif { font-family: var(--serif); font-weight: 400; }
::selection { background: var(--accent); color: #fff; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: 8px; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--max-text); }
.section { padding-block: clamp(4rem, 9vw, 7.5rem); }
.section--tight { padding-block: clamp(3rem, 6vw, 4.5rem); }
.section--sunken { background: var(--sunken); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section--dark h2, .section--dark h3 { color: var(--on-dark); }
.section--line { border-top: 1px solid var(--line); }

.stack > * + * { margin-top: 1.1em; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 1.75rem); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 1.5rem); }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 248, .86);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }

.brand {
  font-family: var(--serif); font-size: 1.65rem; line-height: 1;
  color: var(--ink); text-decoration: none; position: relative; padding-bottom: 4px; white-space: nowrap;
}
.brand::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: var(--accent);
  transform: scaleX(.35); transform-origin: left; transition: transform .6s var(--ease);
}
.brand:hover::after, .brand:focus-visible::after { transform: scaleX(1); }

.nav { display: flex; align-items: center; gap: clamp(.9rem, 2.4vw, 2rem); }
.nav a:not(.btn) {
  font-size: var(--fs-sm); font-weight: 500; color: var(--muted); text-decoration: none;
  position: relative; padding-block: 4px; transition: color .25s;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.nav a:not(.btn):hover, .nav a:not(.btn):focus-visible, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:not(.btn):hover::after, .nav a:not(.btn):focus-visible::after { transform: scaleX(1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 46px; padding: .7rem 1.35rem; border-radius: 999px;
  font: 600 var(--fs-sm)/1 var(--sans); letter-spacing: .005em; text-decoration: none; white-space: nowrap;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform .35s var(--ease); }
.btn:hover svg.arrow { transform: translateX(3px); }
.btn:hover svg.down { transform: translateY(2px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--accent-ink); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(34,53,158,.25); }
.btn--secondary { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--secondary:hover { border-color: var(--ink); background: var(--surface); transform: translateY(-1px); }
.btn--small { min-height: 38px; padding: .5rem 1rem; font-size: .82rem; }
.btn--light { background: var(--on-dark); color: var(--ink); }
.btn--light:hover { background: #fff; transform: translateY(-1px); }
.btn--ghost-light { border-color: rgba(255,255,255,.28); color: var(--on-dark); }
.btn--ghost-light:hover { border-color: var(--on-dark); background: rgba(255,255,255,.06); transform: translateY(-1px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; font-size: var(--fs-sm);
  color: var(--accent); text-decoration: none;
}
.link-arrow svg { width: 15px; height: 15px; transition: transform .35s var(--ease); }
.link-arrow:hover svg, a:hover .link-arrow svg { transform: translateX(4px); }
.link-arrow:hover { color: var(--accent-ink); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 1rem;
}
.section--dark .eyebrow { color: var(--accent-on-dark); }
.h-section { font-size: var(--fs-xl); max-width: 22ch; }
.h-section + .lede { margin-top: 1.1rem; }
.lede { font-size: var(--fs-md); color: var(--muted); max-width: 62ch; line-height: 1.65; }
.section--dark .lede { color: var(--on-dark-muted); }
.muted { color: var(--muted); }
.small { font-size: var(--fs-sm); }

/* ---------- Status pill ---------- */
.status {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: var(--fs-sm); font-weight: 500; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .9rem .4rem .75rem;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #1E9E5A; box-shadow: 0 0 0 4px rgba(30,158,90,.15); }

/* ---------- Hero (home) ---------- */
.hero { padding-block: clamp(2rem, 4.5vw, 3.25rem) clamp(2rem, 4vw, 2.5rem); }
.hero-title { font-size: var(--fs-2xl); line-height: 1.02; max-width: 14ch; margin-top: 1.25rem; }
.hero-sub { margin-top: 1.6rem; font-size: var(--fs-md); color: var(--muted); max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; margin-top: 1.75rem; font-size: var(--fs-sm); color: var(--faint); }
.hero-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.hero-meta svg { width: 15px; height: 15px; }

/* ---------- Proof strip ---------- */
.proof { border-block: 1px solid var(--line); background: var(--surface); }
.proof-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.proof-item { padding: 1.75rem 1.25rem 1.75rem 0; }
.proof-item + .proof-item { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.proof-num { font-family: var(--serif); font-size: clamp(2.3rem, 1.7rem + 1.9vw, 3.2rem); font-weight: 400; letter-spacing: -0.01em; line-height: 1; color: var(--ink); }
.proof-num .unit { color: var(--accent); }
.proof-label { margin-top: .6rem; font-size: var(--fs-sm); color: var(--muted); line-height: 1.45; }

/* ---------- Case study cards ---------- */
.work-list { display: grid; gap: clamp(1.25rem, 3vw, 2rem); margin-top: clamp(2rem, 4vw, 3rem); }
.case-card {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
  overflow: hidden; text-decoration: none; color: inherit;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: var(--line-strong); }
.case-card:nth-child(even) { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.case-card:nth-child(even) .case-media { order: 2; }
.case-media { background: var(--frame); position: relative; overflow: hidden; min-height: 320px; }
.case-media img { position: absolute; inset: clamp(1rem, 2.5vw, 1.75rem); width: calc(100% - 2 * clamp(1rem, 2.5vw, 1.75rem)); height: calc(100% - 2 * clamp(1rem, 2.5vw, 1.75rem)); object-fit: contain; transition: transform 1.1s var(--ease); filter: drop-shadow(0 10px 24px rgba(17,18,22,.10)); }
.case-card:hover .case-media img { transform: scale(1.035); }
.case-body { padding: clamp(1.5rem, 3.5vw, 2.75rem); display: flex; flex-direction: column; gap: 1rem; }
.case-meta { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.case-title { font-size: var(--fs-lg); line-height: 1.12; }
.case-desc { color: var(--muted); font-size: .98rem; }
.case-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.case-facts dt { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.case-facts dd { margin: .15rem 0 0; font-size: var(--fs-sm); color: var(--ink-2); font-weight: 500; }
.case-metrics { display: flex; flex-wrap: wrap; gap: .5rem; }
.metric-chip {
  display: inline-flex; align-items: baseline; gap: .35rem; padding: .35rem .7rem; border-radius: 8px;
  background: var(--accent-soft); color: var(--accent-ink); font-size: .82rem; font-weight: 500;
}
.metric-chip b { font-weight: 700; }
.case-body .link-arrow { margin-top: auto; padding-top: .5rem; }

/* ---------- About (light) ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.portrait { border-radius: var(--radius); overflow: hidden; background: var(--sunken); position: sticky; top: 100px; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.portrait figcaption { padding: .9rem 1rem; font-size: var(--fs-sm); color: var(--muted); background: var(--surface); border-top: 1px solid var(--line); }

.skills-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.skill-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.skill-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 1.1rem; }
.skill-icon svg { width: 22px; height: 22px; }
.skill-card h3 { font-size: 1.45rem; line-height: 1.15; margin-bottom: .6rem; }
.skill-card p { font-size: .94rem; color: var(--muted); line-height: 1.65; }

.process { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; margin-top: clamp(3rem, 6vw, 4.5rem); }
.steps { list-style: none; counter-reset: step; display: grid; gap: .65rem; margin-top: 1.25rem; }
.steps li {
  counter-increment: step; display: grid; grid-template-columns: 2.5rem 1fr; gap: .9rem; align-items: start;
  padding: 1rem 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .3s, transform .4s var(--ease);
}
.steps li:hover { border-color: var(--accent); transform: translateX(4px); }
.steps li::before {
  content: counter(step, decimal-leading-zero); font-family: var(--serif);
  font-size: 1.6rem; line-height: 1; color: var(--accent);
}
.steps strong { display: block; font-size: .98rem; }
.steps span { display: block; color: var(--muted); font-size: .92rem; line-height: 1.55; margin-top: .15rem; }
.workshop { border-radius: var(--radius); overflow: hidden; }

.toolkit { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem 2rem; margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: 2.5rem; border-top: 1px solid var(--line); }
.toolkit h3 { font-family: var(--sans); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: .75rem; }
.toolkit ul { list-style: none; display: grid; gap: .35rem; }
.toolkit li { font-size: .94rem; color: var(--ink-2); }

/* ---------- Beyond work (dark) ---------- */
.beyond { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.beyond-quote { font-family: var(--serif); font-size: clamp(2rem, 1.5rem + 2vw, 3rem); line-height: 1.1; color: var(--on-dark); }
.beyond p.body { color: var(--on-dark-muted); font-size: var(--fs-md); }
.beyond-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.tag-dark { font-size: .8rem; padding: .35rem .8rem; border-radius: 999px; border: 1px solid var(--dark-line); color: var(--on-dark-muted); }

/* ---------- Testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: clamp(2rem, 4vw, 3rem); }
.quote-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.1rem);
  display: flex; flex-direction: column; gap: 1.25rem;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.quote-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.quote-mark { font-family: var(--serif); font-size: 3.2rem; line-height: .6; color: var(--accent); height: 1.4rem; }
.quote-card blockquote { margin: 0; color: var(--ink-2); font-size: .98rem; line-height: 1.75; }
.quote-card blockquote p + p { margin-top: .9em; }
.quote-card .more { display: none; }
.quote-card.is-open .more { display: block; }
.quote-toggle {
  align-self: flex-start; background: none; border: 0; padding: 0; cursor: pointer;
  font: 600 var(--fs-sm) var(--sans); color: var(--accent);
}
.quote-toggle:hover { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.no-js .quote-card .more { display: block; }
.no-js .quote-toggle { display: none; }
.person { display: flex; align-items: center; gap: .85rem; margin-top: auto; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.person img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; background: var(--sunken); }
.person b { display: block; font-size: .95rem; }
.person span { font-size: var(--fs-sm); color: var(--muted); }

/* ---------- Contact ---------- */
.contact { text-align: left; }
.contact-title { font-size: clamp(3rem, 1.8rem + 5vw, 6.2rem); line-height: .98; color: var(--on-dark); max-width: 14ch; }
.contact-title .serif { color: var(--accent-on-dark); }
.contact-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.5rem; }
.contact-list { display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--dark-line); }
.contact-list a { color: var(--on-dark-muted); text-decoration: none; font-size: .95rem; display: inline-flex; align-items: center; gap: .5rem; transition: color .25s; }
.contact-list a:hover { color: var(--on-dark); }
.contact-list svg { width: 17px; height: 17px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: var(--on-dark-muted); border-top: 1px solid var(--dark-line); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 1.75rem; font-size: var(--fs-sm); }
.site-footer a { color: var(--on-dark-muted); text-decoration: none; }
.site-footer a:hover { color: var(--on-dark); text-decoration: underline; text-underline-offset: 3px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* ==========================================================================
   Case study pages
   ========================================================================== */
.cs-hero { padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2rem, 4vw, 3rem); }
.back { display: inline-flex; align-items: center; gap: .45rem; font-size: var(--fs-sm); font-weight: 500; color: var(--muted); text-decoration: none; }
.back svg { width: 15px; height: 15px; transition: transform .35s var(--ease); }
.back:hover { color: var(--ink); }
.back:hover svg { transform: translateX(-3px); }
.cs-kicker { margin-top: clamp(2rem, 5vw, 3.25rem); font-size: var(--fs-md); font-weight: 500; color: var(--accent); }
.cs-title { font-size: var(--fs-2xl); line-height: 1.02; max-width: 18ch; margin-top: .6rem; }
.cs-summary { margin-top: 1.4rem; font-size: var(--fs-md); color: var(--muted); max-width: 64ch; }

.snapshot { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 2.5rem; border-block: 1px solid var(--line); }
.snapshot div { padding: 1.1rem 1.25rem 1.1rem 0; }
.snapshot div + div { padding-left: 1.25rem; border-left: 1px solid var(--line); }
.snapshot dt { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.snapshot dd { margin: .3rem 0 0; font-size: .94rem; font-weight: 500; color: var(--ink-2); line-height: 1.45; }

.cs-cover { margin-top: clamp(2rem, 4vw, 3rem); }

.tldr { background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); padding: clamp(1.5rem, 3.5vw, 2.5rem); }
.tldr-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; margin-bottom: 1.5rem; }
.tldr-head h2 { font-size: var(--fs-xl); }
.tldr-head span { font-size: var(--fs-sm); color: var(--faint); }
.tldr-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.25rem, 3vw, 2.25rem); }
.tldr-grid h3 { font-family: var(--sans); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: .55rem; }
.tldr-grid p { font-size: .97rem; color: var(--ink-2); line-height: 1.65; }
.outcomes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.outcome b { display: block; font-family: var(--serif); font-size: clamp(2rem, 1.5rem + 1.6vw, 2.8rem); font-weight: 400; letter-spacing: -0.01em; line-height: 1.05; color: var(--ink); }
.outcome span { display: block; margin-top: .4rem; font-size: var(--fs-sm); color: var(--muted); line-height: 1.45; }

/* Body with sticky table of contents */
.cs-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.toc { position: sticky; top: 100px; font-size: var(--fs-sm); }
.toc p { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: .75rem; }
.toc ol { list-style: none; display: grid; gap: .1rem; border-left: 1px solid var(--line); }
.toc a {
  display: block; padding: .35rem 0 .35rem 1rem; margin-left: -1px; border-left: 2px solid transparent;
  color: var(--muted); text-decoration: none; line-height: 1.35; transition: color .25s, border-color .25s;
}
.toc a:hover { color: var(--ink); }
.toc a[aria-current="true"] { color: var(--accent); border-left-color: var(--accent); font-weight: 500; }

.chapter { padding-block: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.chapter:first-child { border-top: 0; padding-top: 0; }
.chapter > .eyebrow { margin-bottom: .75rem; }
.chapter h2 { font-size: var(--fs-xl); max-width: 24ch; margin-bottom: 1.4rem; }
.chapter h3 { font-size: 1.6rem; margin: 2rem 0 .75rem; }
.prose { max-width: var(--max-text); color: var(--ink-2); }
.prose > * + * { margin-top: 1.05em; }
.prose p { color: var(--ink-2); }
.prose ul, .prose ol.plain { padding-left: 1.2rem; display: grid; gap: .55rem; }
.prose li::marker { color: var(--accent); }

.pull {
  margin: 2.25rem 0; padding: .25rem 0 .25rem 1.5rem; border-left: 3px solid var(--accent);
  font-family: var(--serif); font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem); line-height: 1.15; color: var(--ink);
  max-width: 30ch;
}

.callout { background: var(--accent-soft); border-radius: var(--radius); padding: 1.4rem 1.6rem; max-width: var(--max-text); }
.callout p { color: var(--ink-2); }
.callout b { color: var(--accent-ink); }

.numbered { list-style: none; counter-reset: n; display: grid; gap: 0; max-width: var(--max-text); }
.numbered li { counter-increment: n; display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.numbered li:last-child { border-bottom: 1px solid var(--line); }
.numbered li::before { content: counter(n, decimal-leading-zero); font-family: var(--serif); font-size: 1.7rem; line-height: 1; color: var(--accent); }
.numbered strong { display: block; margin-bottom: .2rem; }
.numbered span { color: var(--muted); font-size: .97rem; }

.cards-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; max-width: 860px; }
.mini-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.mini-card .label { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.mini-card h3 { margin: .45rem 0 .5rem; font-size: 1.4rem; line-height: 1.15; }
.mini-card p { font-size: .94rem; color: var(--muted); }

.results { list-style: none; display: grid; gap: .75rem; max-width: var(--max-text); }
.results li { display: flex; gap: .9rem; align-items: baseline; padding: 1rem 1.2rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.results li::before { content: "→"; color: var(--accent); font-weight: 600; }

.learned { list-style: none; display: grid; gap: 1rem; max-width: var(--max-text); }
.learned li { padding: 1.25rem 1.4rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.learned strong { display: block; margin-bottom: .3rem; }
.learned span { color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag { font-size: .8rem; padding: .35rem .8rem; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); background: var(--surface); }

/* Figures */
.fig { margin: 2rem 0; }
.fig--bleed { margin-inline: 0; }
.zoom {
  display: block; position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--frame); border: 1px solid var(--line); cursor: zoom-in;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.zoom:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.zoom { padding: var(--frame-pad); }
.zoom img { width: 100%; height: auto; border-radius: 6px; }
.zoom-hint {
  position: absolute; right: .75rem; bottom: .75rem; display: inline-flex; align-items: center; gap: .35rem;
  padding: .35rem .65rem; border-radius: 999px; background: rgba(17,18,22,.78); color: #fff;
  font-size: .75rem; font-weight: 500; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s var(--ease);
  pointer-events: none;
}
.zoom-hint svg { width: 13px; height: 13px; }
.zoom:hover .zoom-hint, .zoom:focus-visible .zoom-hint { opacity: 1; transform: none; }
@media (hover: none) { .zoom-hint { opacity: 1; transform: none; } }
.fig figcaption { margin-top: .8rem; font-size: var(--fs-sm); color: var(--muted); line-height: 1.5; max-width: 70ch; }
.fig figcaption b { color: var(--ink-2); font-weight: 600; }
.fig-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin: 2rem 0; }
.fig-row .fig { margin: 0; }
.fig-row-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Carousel */
.carousel { margin: 2rem 0; }
.carousel-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%; gap: 1rem;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; overscroll-behavior-x: contain;
  scrollbar-width: none; border-radius: var(--radius);
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-slide { scroll-snap-align: start; margin: 0; }
/* Fixed frames: images in rows and carousels share one shape */
.carousel-slide .zoom { aspect-ratio: 16 / 10; }
.fig-row .zoom, .fig-row .private { aspect-ratio: 4 / 3; }
.carousel-slide .zoom img, .fig-row .zoom img, .fig-row .private img {
  position: absolute; inset: var(--frame-pad); width: calc(100% - 2 * var(--frame-pad)); height: calc(100% - 2 * var(--frame-pad)); object-fit: contain;
}
.carousel-controls { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .9rem; }
.carousel-caption { font-size: var(--fs-sm); color: var(--muted); }
.carousel-buttons { display: flex; align-items: center; gap: .5rem; }
.carousel-btn {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink); transition: border-color .25s, background .25s;
}
.carousel-btn:hover:not(:disabled) { border-color: var(--ink); }
.carousel-btn:disabled { opacity: .35; cursor: default; }
.carousel-btn svg { width: 16px; height: 16px; }
.carousel-count { font-size: var(--fs-sm); color: var(--faint); min-width: 3.5rem; text-align: center; font-variant-numeric: tabular-nums; }

/* Prototype player */
.player { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--frame); border: 1px solid var(--line); }
.player img { width: 100%; height: auto; }
.player-btn {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: .6rem; padding: .85rem 1.3rem; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--ink); color: #fff; font: 600 var(--fs-sm) var(--sans); box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: transform .3s var(--ease), background .25s;
}
.player-btn:hover { background: var(--accent-ink); transform: translate(-50%, -50%) scale(1.04); }
.player-btn svg { width: 16px; height: 16px; }
.player.is-playing .player-btn { left: auto; top: auto; right: .9rem; bottom: .9rem; transform: none; padding: .55rem .95rem; background: rgba(17,18,22,.8); }
.player-status { position: absolute; left: .9rem; bottom: .9rem; font-size: .75rem; color: #fff; background: rgba(17,18,22,.7); padding: .3rem .6rem; border-radius: 999px; }
.player-status:empty { display: none; }

/* Sketch triptych */
.sketches { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.sketches .zoom { background: #fff; }

/* Next project */
.next-card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center;
  padding: clamp(1.5rem, 4vw, 2.75rem); border-radius: calc(var(--radius) + 4px); background: var(--dark); color: var(--on-dark);
  text-decoration: none; transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.next-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.next-card .eyebrow { color: var(--accent-on-dark); margin-bottom: .6rem; }
.next-card h2 { color: var(--on-dark); font-size: var(--fs-xl); max-width: 22ch; }
.next-card .circle { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--on-dark); color: var(--ink); transition: transform .5s var(--ease); }
.next-card:hover .circle { transform: translateX(6px); }
.next-card .circle svg { width: 20px; height: 20px; }

/* ==========================================================================
   Lightbox (native <dialog>)
   ========================================================================== */
.lightbox {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(10, 11, 14, .94); color: #fff;
}
.lightbox::backdrop { background: rgba(10, 11, 14, .6); }
.lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.lb-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem clamp(.9rem, 3vw, 1.5rem); }
.lb-count { font-size: var(--fs-sm); color: #C9CBD2; font-variant-numeric: tabular-nums; }
.lb-actions { display: flex; gap: .5rem; }
.lb-btn {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22); color: #fff; transition: background .2s;
}
.lb-btn:hover { background: rgba(255,255,255,.2); }
.lb-btn:focus-visible { outline-color: #fff; }
.lb-btn svg { width: 18px; height: 18px; }
.lb-stage { position: relative; display: grid; place-items: center; min-height: 0; padding: 0 clamp(.5rem, 5vw, 4.5rem); overflow: auto; }
.lb-stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; border-radius: 6px; background: #fff; cursor: zoom-in; }
.lb-stage.is-actual { place-items: start; }
.lb-stage.is-actual img { max-width: none; max-height: none; cursor: zoom-out; }
.lb-prev, .lb-next { position: absolute; top: 50%; transform: translateY(-50%); }
.lb-prev { left: clamp(.5rem, 1.5vw, 1rem); }
.lb-next { right: clamp(.5rem, 1.5vw, 1rem); }
.lb-caption { padding: .9rem clamp(1rem, 5vw, 4.5rem) 1.2rem; text-align: center; font-size: var(--fs-sm); color: #D4D6DC; max-width: 900px; margin-inline: auto; }
.lb-loading { position: absolute; inset: 0; display: grid; place-items: center; font-size: var(--fs-sm); color: #C9CBD2; pointer-events: none; }
.lb-loading[hidden] { display: none; }

/* ==========================================================================
   Motion — content is ALWAYS visible by default. Animation only enhances.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); transition-delay: var(--delay, 0s); }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .lightbox[open] .lb-stage img { animation: lb-in .45s var(--ease); }
  @keyframes lb-in { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
  .hero-anim > * { animation: rise 1s var(--ease) both; }
  .hero-anim > *:nth-child(2) { animation-delay: .08s; }
  .hero-anim > *:nth-child(3) { animation-delay: .16s; }
  .hero-anim > *:nth-child(4) { animation-delay: .24s; }
  .hero-anim > *:nth-child(5) { animation-delay: .32s; }
  .hero-anim > *:nth-child(6) { animation-delay: .4s; }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .carousel-track { scroll-behavior: auto; }
}
@media print {
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .site-header, .toc, .zoom-hint, .carousel-controls { display: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .cs-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .toolkit { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-item:nth-child(3) { padding-left: 0; border-left: 0; }
  .proof-item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .case-card, .case-card:nth-child(even) { grid-template-columns: 1fr; }
  .case-card:nth-child(even) .case-media { order: 0; }
  .case-media { min-height: 0; aspect-ratio: 16 / 10; }
  .about-grid, .split, .process, .beyond { grid-template-columns: 1fr; }
  .portrait { position: static; max-width: 420px; }
  .skills-grid, .grid-3 { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .snapshot { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .snapshot div:nth-child(3) { padding-left: 0; border-left: 0; }
  .snapshot div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .tldr-grid { grid-template-columns: 1fr; }
  .outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fig-row, .fig-row-3, .cards-2, .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav .hide-sm { display: none; }
  .brand { font-size: 1.4rem; }
  .sketches { grid-template-columns: 1fr; }
  .toolkit { grid-template-columns: 1fr; }
  .hero-actions .btn, .contact-actions .btn { flex: 1 1 100%; }
  .next-card { grid-template-columns: 1fr; }
  .lb-prev, .lb-next { top: auto; bottom: -3.5rem; transform: none; }
}

/* ==========================================================================
   Confidential artifacts (blurred, labelled, request link)
   ========================================================================== */
.private { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--frame); }
.private img { width: 100%; height: auto; opacity: .75; }
.private-label {
  position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%);
  width: min(88%, 300px); padding: 1.1rem 1.2rem 1.2rem; text-align: center;
  background: rgba(255,255,255,.92); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow);
  display: grid; justify-items: center; gap: .55rem;
}
.private-badge { display: inline-flex; align-items: center; gap: .35rem; font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); }
.private-badge svg { width: 14px; height: 14px; }
.private-label p { font-size: .85rem; line-height: 1.45; color: var(--ink-2); }
@media (max-width: 480px) { .private-label p { display: none; } }

/* ==========================================================================
   Recreated diagrams & data
   ========================================================================== */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 2px); padding: clamp(1.1rem, 3vw, 2rem); }
.panel-title { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.view-original { display: inline-flex; align-items: center; gap: .4rem; margin-top: .9rem; font-size: var(--fs-sm); font-weight: 600; color: var(--accent); text-decoration: none; cursor: zoom-in; }
.view-original:hover { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.view-original svg { width: 15px; height: 15px; }
.req-note { margin-top: .9rem; font-size: var(--fs-sm); color: var(--muted); display: flex; gap: .45rem; align-items: flex-start; }
.req-note svg { width: 15px; height: 15px; flex: none; margin-top: .2rem; color: var(--accent); }
.req-note a { color: var(--accent); }

/* IA diagram */
.diagram-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.diagram-scroll svg { display: block; width: 100%; min-width: 640px; height: auto; }
.diagram text { font-family: var(--sans); font-size: 13px; fill: var(--ink-2); }
.diagram .t-strong { font-weight: 600; fill: var(--ink); }
.diagram .t-accent { fill: var(--accent-ink); font-weight: 600; }
.diagram .t-muted { fill: var(--faint); }
.diagram .t-tag { font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.legend { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin-top: 1rem; font-size: var(--fs-sm); color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: .5rem; }
.legend i { display: inline-block; width: 22px; height: 14px; border-radius: 4px; border: 1.5px solid var(--line-strong); background: #fff; }
.legend i.pill { border-radius: 999px; background: var(--accent-soft); border-color: var(--accent); }
.legend i.added { border: 2px solid var(--accent); background: #fff; }
.legend i.removed { border: 1.5px dashed var(--faint); background: transparent; }

/* Illustrations */
.illos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.illo { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.illo:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.illo svg { display: block; width: 100%; height: auto; background: var(--frame); }
.illo figcaption { padding: .9rem 1.1rem 1.1rem; }
.illo figcaption b { display: block; font-size: .98rem; color: var(--ink); }
.illo figcaption span { display: block; margin-top: .2rem; font-size: var(--fs-sm); color: var(--muted); line-height: 1.5; }

/* Key findings map */
.kf-sources { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1.25rem; font-size: var(--fs-sm); color: var(--muted); }
.kf-chip { padding: .35rem .75rem; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 500; font-size: .82rem; }
.kf-arrow { color: var(--accent); font-weight: 600; }
.kf-themes { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.kf-theme { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem 1.2rem; background: var(--bg); display: grid; gap: .55rem; align-content: start; }
.kf-theme header { display: flex; align-items: center; gap: .65rem; }
.kf-num { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700; flex: none; }
.kf-theme h4 { font-size: 1.35rem; line-height: 1.15; }
.kf-theme p { font-size: .92rem; color: var(--muted); line-height: 1.6; }
.kf-theme blockquote { margin: .2rem 0 0; padding: .7rem .85rem; border-radius: 10px 10px 10px 2px; background: var(--accent-soft); color: var(--accent-ink); font-size: .9rem; line-height: 1.5; }
.kf-divider { display: flex; align-items: center; gap: .75rem; margin: 1.75rem 0 1rem; font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.kf-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.kf-comp { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.kf-comp div { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.1rem; }
.kf-comp h4 { font-size: 1.3rem; margin-bottom: .35rem; }
.kf-comp p { font-size: .9rem; color: var(--muted); line-height: 1.55; }
.kf-key { margin-top: 1rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; padding: 1.1rem 1.2rem; border-radius: var(--radius-sm); background: var(--dark); color: var(--on-dark); }
.kf-key b { display: block; font-size: .9rem; color: #fff; margin-bottom: .25rem; }
.kf-key span { font-size: .85rem; color: var(--on-dark-muted); line-height: 1.5; }
.kf-conclusion { margin-top: 1rem; font-weight: 600; color: var(--ink); }

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .9rem; }
.data-table th { text-align: left; font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); padding: 0 .9rem .75rem 0; border-bottom: 1px solid var(--line-strong); vertical-align: bottom; }
.data-table td { padding: 1rem .9rem 1rem 0; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); line-height: 1.55; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td:first-child { font-weight: 600; color: var(--ink); min-width: 9rem; }
.data-table td:first-child small { display: block; font-weight: 400; color: var(--muted); font-size: .82rem; margin-top: .25rem; }
.data-table ul { list-style: none; display: grid; gap: .35rem; }
.data-table li { position: relative; padding-left: .9rem; }
.data-table li::before { content: ""; position: absolute; left: 0; top: .6em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.data-table .when { white-space: nowrap; }
.data-table col.wide { width: 38%; }

/* Meters */
.meters { display: grid; gap: 1.4rem; }
.meter-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .5rem; }
.meter-head b { font-size: 1rem; }
.meter-val { font-family: var(--serif); font-size: clamp(2rem, 1.5rem + 1.4vw, 2.6rem); font-weight: 400; letter-spacing: -0.01em; line-height: 1; color: var(--ink); }
.meter-track { height: 14px; border-radius: 4px; background: var(--accent-soft); overflow: hidden; }
.meter-fill { height: 100%; border-radius: 4px; background: var(--accent); }
.meter-drivers { margin-top: .55rem; font-size: var(--fs-sm); color: var(--muted); }
.meter-note { font-size: var(--fs-sm); color: var(--faint); }

/* Segments */
.segments { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .5rem; }
.segment { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .9rem .6rem; text-align: center; font-size: .82rem; font-weight: 500; color: var(--muted); background: var(--bg); display: grid; gap: .45rem; justify-items: center; }
.segment .dot { width: 30px; height: 30px; border-radius: 50%; background: var(--sunken); border: 1px solid var(--line-strong); }
.segment.is-focus { border: 2px solid var(--accent); background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.segment.is-focus .dot { background: var(--accent); border-color: var(--accent); }
.seg-scale { display: flex; justify-content: space-between; margin-top: .6rem; font-size: var(--fs-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.seg-callout { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }

/* What / why / how */
.wwh { display: grid; gap: 1rem; }
.wwh-row { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 5fr); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.wwh-row > div { padding: 1rem 1.1rem; }
.wwh-row > div + div { border-left: 1px solid var(--line); }
.wwh-what { background: var(--dark); color: var(--on-dark); }
.wwh-what b { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.5rem; color: #fff; line-height: 1.1; }
.wwh h5 { font-family: var(--sans); font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 .6rem; color: var(--accent); }
.wwh-what h5 { color: var(--accent-on-dark); }
.wwh ul { list-style: none; display: grid; gap: .4rem; font-size: .88rem; color: var(--ink-2); line-height: 1.5; }
.wwh li { position: relative; padding-left: .9rem; }
.wwh li::before { content: ""; position: absolute; left: 0; top: .55em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

@media (max-width: 860px) {
  .illos, .kf-themes, .kf-comp { grid-template-columns: 1fr; }
  .kf-key { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .segments { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .wwh-row { grid-template-columns: 1fr; }
  .wwh-row > div + div { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 480px) {
  .kf-key { grid-template-columns: 1fr; }
  .segments { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.zoom.view-original { display: inline-flex; position: static; border: 0; background: none; border-radius: 0; overflow: visible; }
.zoom.view-original:hover { transform: none; box-shadow: none; }
.illo text, .diagram text { font-family: var(--sans); }
.segment.is-priority { border: 2px dashed var(--accent); }

/* Grid/flex children that hold scrollable content must be allowed to shrink */
.panel, .fig, .table-scroll, .diagram-scroll { min-width: 0; }
.cs-layout > div { min-width: 0; }
.scroll-hint { display: none; margin-top: .6rem; font-size: var(--fs-xs); color: var(--faint); text-align: center; }
@media (max-width: 700px) { .scroll-hint { display: block; } }

/* Open to work: highlighted text */
.open-tag { display: inline; font-weight: 600; color: var(--ink); background: linear-gradient(transparent 52%, #D9DEFA 52%, #D9DEFA 92%, transparent 92%); padding: 0 .15em; }

/* Hero: 80/20. The headline leads; the alert card is supporting evidence. */
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) 280px; column-gap: clamp(2rem, 5vw, 4.5rem);
  grid-template-areas: "text card" "meta card"; align-items: start;
}
.hero-grid > .hero-meta { margin-top: 1.25rem; }
.hero-text { grid-area: text; }
.hero-grid > .hero-meta { grid-area: meta; }
.hero-title { max-width: 23ch; font-size: clamp(2.3rem, 1.6rem + 2.3vw, 3.4rem); margin-top: 1rem; }
.hero-text .hero-sub { margin-top: 1.25rem; }
.hero-text .hero-actions { margin-top: 1.6rem; }
.makeover { grid-area: card; margin: 0; margin-top: 2.55rem; display: grid; gap: .55rem; }
.notif { background: #fff; border-radius: 12px; padding: .65rem .75rem; box-shadow: 0 1px 2px rgba(17,18,22,.05), 0 6px 16px rgba(17,18,22,.07); display: grid; grid-template-columns: 26px 1fr; gap: .1rem .6rem; }
.notif-icon { grid-row: span 3; width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; background: var(--ink); color: #fff; font-family: var(--serif); font-size: .85rem; }
.notif-top { display: flex; justify-content: space-between; gap: .5rem; font-size: .66rem; color: var(--faint); }
.notif b { font-size: .8rem; color: var(--ink); line-height: 1.3; }
.notif p { font-size: .76rem; color: var(--muted); line-height: 1.4; }
.notif--before { opacity: .78; filter: grayscale(1); }
.notif--before b { font-weight: 500; }
.notif-actions { grid-column: 2; display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .35rem; }
.notif-actions span { font-size: .68rem; font-weight: 600; padding: .3rem .6rem; border-radius: 999px; background: var(--accent); color: #fff; }
.notif-actions span + span { background: var(--accent-soft); color: var(--accent-ink); }
.makeover-arrow { display: flex; align-items: center; gap: .5rem; font-size: .72rem; font-weight: 600; color: var(--accent); }
.makeover-arrow::before, .makeover-arrow::after { content: ""; flex: 1; height: 1px; background: var(--line-strong); }
.makeover-note { font-size: .78rem; color: var(--muted); line-height: 1.45; }
@media (max-width: 860px) {
  /* When the card would drop below the copy, hide it; the headline carries the hero */
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "text" "meta"; }
  .makeover { display: none; }
}

/* What I'm good at: full-width rows, easy to scan */
.skills-list { margin-top: clamp(3rem, 6vw, 4.5rem); }
.skills-list > h3 { font-size: var(--fs-xl); margin-bottom: 1.25rem; }
.skill-row {
  display: grid; grid-template-columns: 44px minmax(0, 4fr) minmax(0, 7fr); gap: .75rem 2.5rem; align-items: start;
  padding: 1.75rem 0; border-top: 1px solid var(--line);
}
.skill-row:last-child { border-bottom: 1px solid var(--line); }
.skill-row .skill-icon { margin: 0; }
.skill-row h4 { font-size: clamp(1.5rem, 1.25rem + .8vw, 1.9rem); line-height: 1.1; padding-top: .3rem; }
.skill-row p { color: var(--muted); font-size: 1.02rem; line-height: 1.7; max-width: 62ch; padding-top: .35rem; }
@media (max-width: 860px) {
  .skill-row { grid-template-columns: 44px minmax(0, 1fr); }
  .skill-row p { grid-column: 2; padding-top: 0; }
}

/* What I'm good at: two cards on top, the wide one below, beside the portrait */
.skills-grid--2x1 { grid-template-columns: minmax(0, 55fr) minmax(0, 45fr); }
.skills-grid--2x1 .skill-card--wide { grid-column: 1 / -1; display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 1.1rem; }
.skills-grid--2x1 .skill-card--wide .skill-icon { grid-row: span 2; margin-bottom: 0; }
@media (max-width: 600px) {
  .skills-grid--2x1 { grid-template-columns: minmax(0, 1fr); }
  .skills-grid--2x1 .skill-card--wide { display: block; }
  .skills-grid--2x1 .skill-card--wide .skill-icon { margin-bottom: 1.1rem; }
}

/* One frame for every image: neutral background, even padding, thin border */
.zoom, .private, .player { background: var(--frame); border: 1px solid var(--line); padding: var(--frame-pad); }
.zoom img, .private img, .player img { border-radius: 6px; }
.carousel-slide .zoom img, .fig-row .zoom img, .fig-row .private img {
  inset: var(--frame-pad); width: calc(100% - 2 * var(--frame-pad)); height: calc(100% - 2 * var(--frame-pad));
}
.case-media img { filter: none; }

/* Animated Zelle card: the animation fills the media area edge to edge */
.case-media--anim { background: #3D77C9; }
.case-media--anim img { inset: 0; width: 100%; height: 100%; object-fit: cover; }

.case-media--navy { background: #173A5E; }
.case-media--light { background: var(--frame); }

/* Compact project cards: 16:10 media beside a tighter text column */
.case-card { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.case-card:nth-child(even) { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.case-media { min-height: 300px; aspect-ratio: auto; }
.case-media--light img { object-fit: contain; }
.case-body { padding: clamp(1.25rem, 2.6vw, 2rem); gap: .75rem; }
.case-title { font-size: clamp(1.35rem, 1.15rem + .7vw, 1.7rem); }
.case-desc { font-size: .93rem; line-height: 1.6; }
.case-facts { padding-top: .75rem; }
.work-list { gap: clamp(1rem, 2.4vw, 1.5rem); }
@media (max-width: 860px) {
  .case-card, .case-card:nth-child(even) { grid-template-columns: minmax(0, 1fr); }
  .case-media { min-height: 0; aspect-ratio: 16 / 10; }
}