/* =====================================================================
   Christopher Sciuto · portfolio
   Editorial / minimal. One stylesheet, design tokens at top.
   ===================================================================== */

:root {
  /* Palette — bone & emerald */
  --ink: #0c0e14;
  --ink-soft: #2e3138;
  --muted: #6f7280;
  --rule: #d4cfbf;
  --paper: #f4f0e8;
  --paper-deep: #e8e3d5;
  --accent: #1a6e4f;
  --accent-deep: #135238;

  /* Type */
  --serif: "Instrument Serif", "Iowan Old Style", "Georgia", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  /* Scale */
  --fs-xs: 0.75rem;
  --fs-sm: 0.9rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.65rem;
  --fs-xl: clamp(2rem, 3.5vw, 3rem);
  --fs-display: clamp(2.75rem, 6.5vw, 5.5rem);
  --fs-mega: clamp(3rem, 6.5vw, 5.5rem);

  /* Layout */
  --max-w: 1200px;
  --max-w-wide: 1360px;
  --max-w-reading: 800px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --section-gap: clamp(5rem, 10vw, 9rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection { background: var(--accent); color: var(--paper); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease;
}

.nav.is-stuck { border-bottom-color: var(--rule); }

.nav__brand {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: 0.005em;
  font-style: italic;
}

.nav__menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav__menu a {
  position: relative;
  color: var(--ink-soft);
  padding-bottom: 2px;
}

.nav__menu a:hover,
.nav__menu a:focus-visible { color: var(--accent); }

.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.nav__menu a:hover::after,
.nav__menu a:focus-visible::after,
.nav__menu a[aria-current="page"]::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  width: 36px; height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  align-items: flex-end;
}

.nav__toggle-bar {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform 200ms ease;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ---------- Layout primitives ---------- */
.hero,
.section,
.contact-teaser {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.work-section { max-width: var(--max-w-wide); }

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(5rem, 11vw, 9rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--muted);
}

/* Accent modifier — terracotta text + rule, used to mark the flagship */
.eyebrow--accent {
  color: var(--accent);
}

.eyebrow--accent::before {
  background: var(--accent);
  width: 40px;
  height: 2px;
}

.hero__headline {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin: 0 0 2.5rem;
  max-width: 14ch;
}

.hero__headline em {
  font-style: italic;
  color: var(--accent);
}

.hero__bio {
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

/* ---------- Stats band ---------- */
.stats {
  margin: clamp(2rem, 4vw, 3rem) 0 clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.stats__inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 2rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.stat:not(:first-child)::before {
  content: "";
  position: absolute;
  left: -0.5rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--rule);
}

.stat__num {
  font-family: var(--serif);
  font-size: var(--fs-mega);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.stat__sup {
  font-size: 0.5em;
  vertical-align: top;
  color: var(--accent);
  margin-left: 0.05em;
  font-style: italic;
}

.stat__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 18ch;
}

/* ---------- Section header ---------- */
.section { padding-top: var(--section-gap); }

.section__head {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  margin-bottom: 2.25rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  flex-wrap: wrap;
}

.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-xl);
  letter-spacing: -0.01em;
  margin: 0;
}

.section__lede {
  font-family: var(--sans);
  font-size: var(--fs-sm);
  color: var(--muted);
  margin: 0;
  max-width: 40ch;
}

/* ---------- Case study common ---------- */
.case__num {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--fs-sm);
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.85rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: gap 200ms ease, color 200ms ease, border-color 200ms ease;
}

.cta--sm {
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
}

/* card hover propagation */
.flagship:hover .cta,
.case:hover .cta {
  color: var(--accent);
  border-color: var(--accent);
  gap: 0.9rem;
}

/* link overlay = make the whole card clickable, keeps inner links focusable too */
.flagship,
.case {
  position: relative;
}

.flagship__link-overlay,
.case__link-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.flagship__link-overlay:focus-visible,
.case__link-overlay:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
  border-radius: 6px;
}

/* ---------- Flagship case study ---------- */
.flagship {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  margin-bottom: clamp(5rem, 8vw, 7rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.flagship__media {
  border-radius: 10px;
  overflow: hidden;
  background: var(--paper-deep);
  box-shadow: 0 1px 0 var(--rule);
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.flagship:hover .flagship__media { transform: translateY(-4px); }

.flagship__copy { max-width: 44ch; }

.flagship__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 3.5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0 0 1rem;
}

.flagship__descriptor {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.flagship__summary {
  font-size: var(--fs-md);
  color: var(--ink-soft);
  margin: 0 0 2rem;
  line-height: 1.55;
}

/* ---------- Case grid ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 4vw, 4rem) clamp(2rem, 4vw, 4rem);
}

.case {
  display: flex;
  flex-direction: column;
}

.case__media {
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-deep);
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 0 var(--rule);
  transition: transform 400ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.case:hover .case__media { transform: translateY(-3px); }

.case__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.case__descriptor {
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1rem;
}

.case__summary {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

/* wide variant for last card */
.case--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.case--wide .case__media { margin-bottom: 0; }
.case--wide .case__copy { max-width: 50ch; }

/* ---------- Closing block ---------- */
.closing {
  margin-top: var(--section-gap);
  background: var(--paper-deep);
  padding: clamp(4rem, 8vw, 7rem) var(--gutter);
}

.closing__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 4vw, 5rem);
  align-items: start;
}

.closing__quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.005em;
  position: relative;
  padding-left: 1.5rem;
}

.closing__quote::before {
  content: "";
  position: absolute;
  left: 0; top: 0.4em; bottom: 0.4em;
  width: 2px;
  background: var(--accent);
}

.closing__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-xl);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

.closing__body p {
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
  max-width: 48ch;
}

/* ---------- Contact teaser ---------- */
.contact-teaser {
  padding-top: clamp(5rem, 9vw, 8rem);
  padding-bottom: clamp(5rem, 9vw, 8rem);
  text-align: center;
}

.contact-teaser .eyebrow {
  margin: 0 auto 2rem;
  justify-content: center;
}

.contact-teaser__email {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(2.25rem, 5vw, 4rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  margin-bottom: 2rem;
  transition: color 200ms ease, border-color 200ms ease;
}

.contact-teaser__email:hover,
.contact-teaser__email:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.contact-teaser__meta {
  font-size: var(--fs-base);
  color: var(--ink-soft);
  max-width: 50ch;
  margin: 0 auto;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--rule);
}

.footer__inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 2rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-sm);
  color: var(--muted);
}

.footer__links {
  display: flex;
  gap: 2rem;
}

.footer__links a { color: var(--muted); }
.footer__links a:hover,
.footer__links a:focus-visible { color: var(--accent); }
.footer__top { letter-spacing: 0.06em; text-transform: uppercase; }

/* ---------- Focus ---------- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================================
   Case study (interior) page styles
   ===================================================================== */
.case-hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3.5rem);
}

.case-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  color: var(--muted);
  margin-bottom: 2rem;
}

.case-hero__back:hover { color: var(--accent); }

.case-hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.case-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  margin-top: 2.5rem;
}

.case-hero__meta dt {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.case-hero__meta dd {
  margin: 0;
  color: var(--ink);
  font-size: var(--fs-base);
}

.case-feature {
  max-width: var(--max-w-wide);
  margin: clamp(2rem, 4vw, 3rem) auto clamp(3rem, 6vw, 5rem);
  padding: 0 var(--gutter);
}

.case-feature img {
  border-radius: 10px;
  background: var(--paper-deep);
  width: 100%;
  box-shadow: 0 1px 0 var(--rule);
}

.case-feature figcaption {
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: var(--fs-sm);
  margin-top: 1rem;
  letter-spacing: 0.005em;
}

.case-hero__lede {
  font-family: var(--serif);
  font-size: var(--fs-lg);
  line-height: 1.4;
  color: var(--ink-soft);
  margin: 0;
  max-width: 60ch;
}

/* Numbered editorial approach list */
.case-approach {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.case-approach li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

.case-approach__num {
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: var(--fs-md);
}

.case-approach__body {
  color: var(--ink-soft);
  font-size: var(--fs-base);
  line-height: 1.55;
}

/* Case study outcomes stat strip · used inside case study pages */
.case-stats {
  margin: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.case-stats__inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem) var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 2rem;
}

.case-stats .stat__num {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.case-stats .stat__sup {
  font-size: 0.5em;
  vertical-align: top;
  color: var(--accent);
  margin-left: 0.05em;
  font-style: italic;
}

.case-stats .stat__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 22ch;
}

/* Case study testimonial · named stakeholder pull quote */
.case-testimonial {
  max-width: 70ch;
  margin: clamp(3rem, 6vw, 5rem) auto;
  padding: 0 var(--gutter);
}

.case-testimonial__quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.55rem, 2.6vw, 2.2rem);
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 1.5rem;
  letter-spacing: -0.005em;
  position: relative;
  padding-left: 1.25rem;
}

.case-testimonial__quote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4em;
  bottom: 0.4em;
  width: 2px;
  background: var(--accent);
}

.case-testimonial__attr {
  font-family: var(--sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 1.25rem;
}

.case-testimonial__attr strong {
  color: var(--ink);
  font-weight: 500;
}

/* Case study closing pull quote · single italic line at the end */
.case-closing {
  max-width: var(--max-w);
  margin: clamp(4rem, 8vw, 6rem) auto 0;
  padding: 0 var(--gutter);
  text-align: center;
}

.case-closing__quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.3;
  color: var(--ink);
  margin: 0 auto;
  max-width: 32ch;
  letter-spacing: -0.005em;
  position: relative;
  padding-top: 2rem;
}

.case-closing__quote::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--accent);
}

@media (max-width: 720px) {
  .case-stats__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Product screenshots gallery · used inside case study pages */
.case-gallery {
  max-width: var(--max-w-wide);
  margin: 0 auto clamp(3rem, 6vw, 5rem);
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

/* Wide variant · for landscape web/dashboard screenshots that need room */
.case-gallery--web {
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
}

/* Five-up variant · for narrative galleries with 5 screens. On wide screens
   all five fit in a row. On medium screens it falls back to 2-3 columns. On
   mobile it stacks to a single column. Lightbox handles detail viewing. */
.case-gallery--five {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
}

/* Six-up variant · for narrative galleries with 6 screens. Tighter minmax so
   all six fit at desktop widths; falls back to 3+3 or 2+2+2 on narrower screens. */
.case-gallery--six {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: clamp(0.875rem, 1.75vw, 1.5rem);
}

/* Two-up variant · for interleaved evidence pairs that sit next to a claim.
   Generous minmax so each screen reads at desktop width; collapses to single
   column on tablet and below so neither screen gets cramped. */
.case-gallery--two {
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  max-width: 1100px;
  margin-inline: auto;
}

/* One-up variant · for solo screens placed inside a subsection. Sized to read
   without overwhelming the prose around it. */
.case-gallery--one {
  grid-template-columns: 1fr;
  max-width: 880px;
  margin-inline: auto;
}

/* Phone variant · for portrait mobile screenshots */
.case-gallery--mobile {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: 1100px;
}

.case-gallery--mobile .case-gallery__item img {
  max-width: 320px;
  margin-inline: auto;
}

/* Group heading inside a split gallery */
.case-gallery-heading {
  max-width: var(--max-w-wide);
  margin: clamp(2rem, 4vw, 3rem) auto 1.25rem;
  padding: 0 var(--gutter);
  font-family: var(--sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.case-gallery-heading::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin-top: 0.5rem;
}

.case-gallery__item {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.case-gallery__item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: var(--paper-deep);
  box-shadow: 0 1px 0 var(--rule);
  border: 1px solid var(--rule);
  cursor: zoom-in;
  transition: transform 200ms cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 200ms ease;
}

.case-gallery__item img:hover,
.case-gallery__item img:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(22, 21, 19, 0.08);
  outline: none;
}

/* Lightbox for enlarged product screenshots */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(12, 14, 20, 0.94);
  display: none;
  z-index: 100;
  cursor: zoom-out;
  opacity: 0;
  transition: opacity 220ms ease;
  /* Allow image to overflow & scroll inside the lightbox */
  overflow: auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1rem, 3vw, 2rem) clamp(4rem, 6vw, 5rem);
  /* Smooth scroll inside lightbox */
  scroll-behavior: smooth;
}

.lightbox.is-open {
  display: block;
  opacity: 1;
}

.lightbox__img {
  /* Display large — up to 1600px wide or 92% of viewport width.
     Height is auto so portrait images flow naturally and the lightbox scrolls. */
  display: block;
  width: min(92vw, 1600px);
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0 auto;
  background: var(--paper-deep);
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  cursor: default;
}

.lightbox__close {
  position: fixed;
  top: clamp(1rem, 2vw, 1.5rem);
  right: clamp(1rem, 2vw, 1.5rem);
  width: 44px;
  height: 44px;
  z-index: 101;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
  line-height: 1;
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}

.lightbox__fullsize {
  position: absolute;
  top: clamp(1.5rem, 3vw, 2rem);
  left: clamp(1.5rem, 3vw, 2rem);
  font-family: var(--sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(244, 240, 232, 0.08);
  border: 1px solid rgba(244, 240, 232, 0.25);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.lightbox__fullsize:hover,
.lightbox__fullsize:focus-visible {
  background: rgba(244, 240, 232, 0.15);
  border-color: var(--accent);
  color: var(--paper);
  outline: none;
}

.lightbox__caption {
  position: absolute;
  bottom: clamp(1.5rem, 3vw, 2rem);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--fs-sm);
  color: var(--paper);
  opacity: 0.7;
  max-width: 60ch;
  text-align: center;
  padding: 0 1rem;
}

.case-gallery__item figcaption {
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--muted);
  font-size: var(--fs-sm);
  margin-top: 0.75rem;
}

/* Team & leadership impact label-value list */
.case-impact {
  display: grid;
  gap: 1rem 2rem;
  margin: 1.5rem 0 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.case-impact > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
}

.case-impact dt {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-impact dd {
  margin: 0;
  color: var(--ink);
  font-size: var(--fs-base);
}

@media (max-width: 720px) {
  .case-approach li {
    grid-template-columns: 3rem 1fr;
    gap: 1rem;
  }

  .case-impact > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* Case study body — centered reading column with generous bottom space
   so prose doesn't crowd the diagram/image that follows it. */
.case-body {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 var(--gutter);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.case-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-xl);
  letter-spacing: -0.01em;
  margin: 3rem 0 1rem;
}

.case-body h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: var(--fs-lg);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 2.5rem 0 0.75rem;
  color: var(--ink);
}

.case-body p {
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

.case-body blockquote {
  margin: 2.5rem 0;
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--fs-lg);
  line-height: 1.4;
  color: var(--ink);
}

.case-body .placeholder {
  background: var(--paper-deep);
  border: 1px dashed var(--rule);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: var(--fs-sm);
  color: var(--muted);
  margin: 1.5rem 0;
}

/* prev/next nav */
.case-nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  border-top: 1px solid var(--rule);
  margin-top: clamp(4rem, 8vw, 6rem);
}

.case-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.case-nav__link--next { text-align: right; }

.case-nav__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-nav__title {
  font-family: var(--serif);
  font-size: var(--fs-md);
  color: var(--ink);
}

.case-nav__link:hover .case-nav__title { color: var(--accent); }

/* =====================================================================
   About + Contact placeholder pages
   ===================================================================== */
.simple {
  max-width: 70ch;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) var(--gutter);
}

.simple .eyebrow { margin-bottom: 1.5rem; }

.simple h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--fs-display);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
}

.simple p {
  font-size: var(--fs-md);
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 1.5rem;
}

.simple .placeholder {
  background: var(--paper-deep);
  border: 1px dashed var(--rule);
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  font-size: var(--fs-sm);
  color: var(--muted);
  margin: 2rem 0;
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 960px) {
  .stats__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .stat:not(:first-child)::before { display: none; }
  .stat { padding-left: 0; }

  .flagship {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .case--wide {
    grid-template-columns: 1fr;
  }

  .closing__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 720px) {
  .nav__toggle { display: inline-flex; }

  .nav__menu {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem var(--gutter) 1.5rem;
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 220ms ease, opacity 220ms ease;
  }

  .nav__menu.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__menu li { border-top: 1px solid var(--rule); }
  .nav__menu a { display: block; padding: 1rem 0; }

  .case-grid { grid-template-columns: 1fr; }

  .footer__inner {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .case-nav { grid-template-columns: 1fr; }
  .case-nav__link--next { text-align: left; }
}

/* =====================================================================
   ABOUT PAGE
   ===================================================================== */

.about-hero {
  max-width: var(--max-w-reading);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(2rem, 4vw, 3rem);
}

.about-hero--with-portrait {
  max-width: var(--max-w-wide);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-hero__portrait {
  margin: 0;
  padding-top: 2.5rem;
  max-width: 420px;
  justify-self: end;
}

.about-hero__portrait img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: var(--paper-deep);
  box-shadow: 0 1px 0 var(--rule);
  border: 1px solid var(--rule);
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-hero__actions {
  margin-top: 2rem;
}

@media (max-width: 720px) {
  .about-hero--with-portrait {
    grid-template-columns: 1fr;
  }
  .about-hero__portrait {
    padding-top: 0;
    max-width: 360px;
  }
}

.about-hero__title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0.5rem 0 2rem;
  max-width: 22ch;
}

.about-hero__body p {
  font-family: var(--sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  max-width: 60ch;
}

/* Section blocks */
.about-section {
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.about-section--alt {
  background: var(--paper-deep);
}

.about-section__inner {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 3fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-section__title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  position: sticky;
  top: 6rem;
}

.about-section__body p {
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
  max-width: 60ch;
}

/* Leadership philosophy */
.philosophy {
  display: grid;
  gap: 2rem;
}

.philosophy__item h3 {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.philosophy__item p {
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
  max-width: 64ch;
}

/* Skills grid */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.skills__heading {
  font-family: var(--sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin: 0 0 0.75rem;
}

.skills__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.skills__list li {
  font-family: var(--sans);
  font-size: var(--fs-base);
  color: var(--ink);
}

/* Experience timeline */
.experience {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 2.5rem;
}

.experience__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--rule);
}

.experience__years {
  font-family: var(--sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.4rem;
}

.experience__role {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
}

.experience__company {
  font-family: var(--sans);
  font-size: var(--fs-base);
  color: var(--muted);
  margin: 0.25rem 0 1rem;
}

.experience__summary {
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 0.75rem;
  max-width: 60ch;
}

.experience__detail {
  font-family: var(--sans);
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: 64ch;
}

/* Let's connect */
.about-connect {
  grid-template-columns: 1fr;
  text-align: left;
}

.about-connect__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 1rem;
}

.about-connect__body {
  font-family: var(--sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 2rem;
  max-width: 56ch;
}

.about-connect__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cta--solid {
  background: var(--ink);
  color: var(--paper);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: background 160ms ease;
}

.cta--solid:hover { background: var(--ink-soft); }

.cta--ghost {
  background: transparent;
  color: var(--ink);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  text-decoration: none;
  font-family: var(--sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: background 160ms ease, border-color 160ms ease;
}

.cta--ghost:hover { background: var(--paper-deep); border-color: var(--ink-soft); }

/* Contact details list */
.contact-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}

.contact-list__row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  align-items: baseline;
}

.contact-list__row dt {
  font-family: var(--sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin: 0;
}

.contact-list__row dd {
  font-family: var(--sans);
  font-size: var(--fs-md);
  color: var(--ink);
  margin: 0;
  line-height: 1.4;
}

.contact-list__row dd a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: border-color 160ms ease;
}

.contact-list__row dd a:hover { border-color: var(--accent); }

.contact-list__note {
  display: block;
  font-size: var(--fs-sm);
  color: var(--muted);
  margin-top: 0.4rem;
}

@media (max-width: 720px) {
  .about-section__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .about-section__title { position: static; }
  .experience__item { grid-template-columns: 1fr; gap: 0.75rem; }
  .experience__years { padding-top: 0; }
  .contact-list__row { grid-template-columns: 1fr; gap: 0.4rem; }
}