/* Design: restrained corporate. Navy ink, one steel-blue accent, serif headings, sans body. */
:root {
  color-scheme: light;
  --navy: #0f1b2d;
  --blue: #2a5a9a;
  --blue-dark: #1f4678;
  --paper: #ffffff;
  --mist: #f3f5f8;
  --text: #1d2939;
  --muted: #5a6677;
  --line: #dde2ea;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --max: 1120px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); color: var(--navy); font-weight: 600; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 2px; }
.contact-box :focus-visible { outline-color: #fff; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }

/* ---- Header ---- */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--navy); text-decoration: none; font-weight: 600; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 4px; color: #fff; background: var(--navy); font-size: 13px; letter-spacing: .02em; }
nav { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 6px 26px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
nav a:hover { color: var(--navy); }
nav .nav-contact { padding: 7px 16px; border: 1px solid var(--navy); border-radius: 4px; color: var(--navy); }
nav .nav-contact:hover { color: #fff; background: var(--navy); }

/* ---- Hero ---- */
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr); align-items: center; gap: clamp(36px, 7vw, 96px); padding: 84px 0 76px; }
h1 { margin-bottom: 10px; font-size: clamp(44px, 6.4vw, 76px); line-height: 1.04; letter-spacing: -.025em; }
.role { margin-bottom: 22px; color: var(--blue); font-size: clamp(18px, 2vw, 22px); font-weight: 500; }
.intro { max-width: 36em; margin-bottom: 30px; color: var(--muted); font-size: clamp(17px, 1.6vw, 19px); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin: 24px 0 0; color: var(--muted); font-size: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 24px; border: 1px solid var(--navy); border-radius: 4px; color: #fff; background: var(--navy); font-size: 15px; font-weight: 600; text-decoration: none; transition: background .15s, color .15s; }
.button:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.button.outline { color: var(--navy); background: transparent; border-color: var(--line); }
.button.outline:hover { color: var(--navy); background: var(--mist); border-color: var(--navy); }
.button.light { color: var(--navy); background: #fff; border-color: #fff; }
.button.light:hover { background: var(--mist); border-color: var(--mist); }
.button.outline-light { color: #fff; background: transparent; border-color: rgba(255,255,255,.45); }
.button.outline-light:hover { color: var(--navy); background: #fff; border-color: #fff; }
.portrait-card { margin: 0; justify-self: end; width: min(100%, 360px); }
.portrait-card img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 22%; border-radius: 4px; background: var(--mist); box-shadow: 14px 14px 0 var(--mist); }

/* ---- Numbers ---- */
.numbers { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric { padding: 30px 28px; }
.metric:first-child { padding-left: 0; }
.metric + .metric { border-left: 1px solid var(--line); }
.metric strong { display: block; color: var(--navy); font-family: var(--serif); font-size: clamp(34px, 4.4vw, 46px); font-weight: 600; line-height: 1.05; letter-spacing: -.02em; }
.metric span { display: block; max-width: 26ch; margin-top: 6px; color: var(--muted); font-size: 15px; line-height: 1.45; }

/* ---- Sections ---- */
section { padding: 88px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 40px; }
h2 { margin-bottom: 0; max-width: 18ch; font-size: clamp(30px, 4vw, 42px); line-height: 1.12; letter-spacing: -.02em; }
.section-desc { max-width: 30em; margin: 0; color: var(--muted); font-size: 16px; }

/* Work */
.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.work-card { padding: 26px 0 30px; border-top: 1px solid var(--line); }
.work-card .index { display: block; margin-bottom: 6px; color: var(--blue); font-size: 14px; font-weight: 600; }
.work-card h3 { margin-bottom: 8px; font-size: 22px; line-height: 1.25; }
.work-card p { margin: 0; color: var(--muted); font-size: 16px; }

/* Experience */
.career { background: var(--mist); }
.timeline { display: grid; grid-template-columns: 200px 1fr; gap: 0 40px; max-width: 960px; }
.timeline-date { padding-top: 5px; padding-bottom: 40px; color: var(--muted); font-size: 15px; font-weight: 500; }
.timeline-item { position: relative; padding: 0 0 40px 30px; border-left: 1px solid #b9c3d3; }
.timeline-item::before { content: ""; position: absolute; top: 9px; left: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); }
.timeline-item h3 { margin-bottom: 2px; font-size: 22px; line-height: 1.25; }
.timeline-item .org { margin-bottom: 12px; color: var(--blue); font-size: 15px; font-weight: 600; }
.timeline-item ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 16px; }
.timeline-item li + li { margin-top: 6px; }
.timeline-item.last { padding-bottom: 0; }

/* Work samples */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; }
.chip { padding: 8px 16px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); background: #fff; font: 500 14px var(--sans); cursor: pointer; }
.chip:hover { color: var(--navy); border-color: var(--navy); }
.chip.active { color: #fff; background: var(--navy); border-color: var(--navy); }
.samples-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sample-card { display: flex; flex-direction: column; }
.sample-card .thumb { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--mist); cursor: zoom-in; }
.sample-card img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: contain; padding: 14px; background: var(--mist); }
.thumb .play { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 58px; height: 58px; margin: -29px 0 0 -29px; padding-left: 4px; border-radius: 50%; color: #fff; background: rgba(15,27,45,.82); font-size: 22px; }
.thumb .count { position: absolute; right: 10px; bottom: 10px; padding: 3px 10px; border-radius: 4px; color: #fff; background: var(--navy); font: 500 12px var(--sans); }
.sample-body { padding: 16px 0 4px; }
.sample-cat { display: block; margin-bottom: 4px; color: var(--blue); font-size: 14px; font-weight: 600; }
.sample-body h3 { margin-bottom: 6px; font-size: 20px; line-height: 1.25; }
.sample-body p { margin-bottom: 10px; color: var(--muted); font-size: 15px; line-height: 1.55; }
.sample-link { color: var(--blue); font-size: 14px; font-weight: 600; }

/* Case studies */
.cases { display: grid; gap: 0; }
.case { padding: 44px 0 48px; border-top: 1px solid var(--line); }
.case:first-child { border-top: 2px solid var(--navy); }
.case-top { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
.case-meta { display: flex; flex-wrap: wrap; gap: 4px 0; margin-bottom: 10px; color: var(--muted); font-size: 14px; font-weight: 500; }
.case-meta span:not(:last-child)::after { content: "·"; margin: 0 10px; color: #a3aebd; }
.case-meta .case-num { color: var(--blue); font-weight: 600; }
.case-head h3 { margin-bottom: 12px; font-size: clamp(24px, 2.6vw, 30px); line-height: 1.2; letter-spacing: -.01em; }
.case-summary { margin-bottom: 18px; color: var(--muted); font-size: 16px; }
.case-tools { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; padding: 0; list-style: none; }
.case-tools li { padding: 4px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--mist); color: var(--navy); font-size: 13px; font-weight: 500; }
.case-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.case-note { margin: 12px 0 0; color: var(--muted); font-size: 13px; }
.case-shot { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--mist); cursor: zoom-in; box-shadow: 0 1px 2px rgba(15,27,45,.06), 0 12px 32px -18px rgba(15,27,45,.35); }
.case-shot img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; }
.case-shot .count { position: absolute; right: 10px; bottom: 10px; padding: 3px 10px; border-radius: 4px; color: #fff; background: var(--navy); font: 500 12px var(--sans); }
.case-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; }
.case-step { padding-top: 16px; border-top: 1px solid var(--line); }
.case-step h4 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 10px; color: var(--navy); font: 600 17px var(--sans); }
.case-step h4 span { color: var(--blue); font-family: var(--serif); font-size: 15px; }
.case-step p, .case-step ul { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.6; }
.case-step ul { padding-left: 18px; }
.case-step li + li { margin-top: 6px; }
.case-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-top: 32px; background: var(--mist); border-radius: 4px; }
.case-metrics div { padding: 20px 24px; }
.case-metrics div + div { border-left: 1px solid var(--line); }
.case-metrics strong { display: block; color: var(--navy); font-family: var(--serif); font-size: 30px; font-weight: 600; line-height: 1.1; }
.case-metrics span { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.4; }

/* Recommendation */
#testimonial { padding-top: 0; }
.quote-box { padding: 48px clamp(24px, 5vw, 64px); border-left: 4px solid var(--blue); background: var(--mist); border-radius: 4px; }
.quote-kicker { margin-bottom: 14px; color: var(--blue); font-size: 14px; font-weight: 600; }
.quote-box blockquote { margin: 0 0 20px; color: var(--navy); font-family: var(--serif); font-size: clamp(20px, 2.3vw, 26px); line-height: 1.45; }
.quote-by { margin-bottom: 22px; color: var(--muted); font-size: 15px; }
.quote-by strong { color: var(--navy); }
.quote-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.quote-actions .button { cursor: pointer; font-family: var(--sans); }
.quote-note { color: var(--muted); font-size: 13px; }

/* Skills */
.bottom-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; }
.info-panel h3 { margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--navy); font-size: 22px; }
.skill-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; margin: 0; padding: 0; list-style: none; }
.skill-list li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.credential-list { margin: 0; padding: 0; list-style: none; }
.credential-list li { padding: 11px 0; border-bottom: 1px solid var(--line); }
.credential-list strong { display: block; color: var(--navy); font-size: 16px; font-weight: 600; }
.credential-list span { color: var(--muted); font-size: 15px; }
.about-note { margin-top: 20px; color: var(--muted); font-size: 15px; }

/* Contact */
.contact { padding: 0; }
.contact-box { padding: 72px 0; color: #fff; background: var(--navy); }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.contact-box h2 { max-width: 20ch; margin-bottom: 14px; color: #fff; }
.contact-box p { max-width: 34em; margin: 0; color: rgba(255,255,255,.78); font-size: 17px; }
.contact-actions { display: flex; flex-direction: column; gap: 10px; min-width: 240px; }
footer { display: flex; justify-content: space-between; gap: 18px; padding: 22px 0 30px; color: var(--muted); font-size: 14px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--navy); text-decoration: underline; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 56px 16px 24px; background: rgba(8,14,25,.94); }
.lightbox video { max-width: min(1100px, 100%); max-height: calc(100vh - 140px); border-radius: 4px; background: #000; }
.lightbox img { max-width: min(1100px, 100%); max-height: calc(100vh - 140px); border-radius: 4px; object-fit: contain; background: #fff; }
.lb-cap { margin: 0; color: #e6ebf2; font-size: 14px; text-align: center; }
.lb-btn { position: absolute; display: grid; place-items: center; width: 46px; height: 46px; border: 0; border-radius: 50%; color: #fff; background: rgba(255,255,255,.16); font-size: 30px; line-height: 1; cursor: pointer; }
.lb-btn:hover { background: rgba(255,255,255,.3); }
.lb-close { top: 12px; right: 12px; }
.lb-prev { left: 12px; top: 50%; }
.lb-next { right: 12px; top: 50%; }

@media (max-width: 860px) {
  .work-grid { grid-template-columns: 1fr; }
  .samples-grid { grid-template-columns: 1fr 1fr; }
  .case-top { grid-template-columns: 1fr; gap: 28px; }
  .case-shot { order: -1; }
  .case-steps { grid-template-columns: 1fr; gap: 22px; margin-top: 30px; }
  .bottom-grid { grid-template-columns: 1fr; gap: 44px; }
}
@media (max-width: 680px) {
  .wrap { width: min(var(--max), calc(100% - 36px)); }
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; padding: 12px 0; }
  .site-header { position: static; }
  nav { justify-content: flex-start; gap: 6px 18px; }
  .hero { grid-template-columns: 1fr; padding: 44px 0 52px; gap: 40px; }
  .portrait-card { justify-self: start; width: min(78%, 300px); order: -1; }
  .portrait-card img { box-shadow: 10px 10px 0 var(--mist); }
  .numbers { grid-template-columns: 1fr; }
  .metric, .metric:first-child, .metric + .metric { display: flex; align-items: baseline; gap: 16px; padding: 16px 0; border-left: 0; }
  .metric + .metric { border-top: 1px solid var(--line); }
  .metric strong { min-width: 100px; }
  .metric span { margin: 0; max-width: none; }
  section { padding: 58px 0; }
  .section-head { display: block; margin-bottom: 28px; }
  .section-desc { margin-top: 14px; }
  .timeline { grid-template-columns: 1fr; }
  .timeline-date { padding: 0 0 6px 30px; }
  .timeline-item { padding-bottom: 30px; }
  .samples-grid, .skill-list { grid-template-columns: 1fr; }
  .case { padding: 32px 0 36px; }
  .case-metrics { grid-template-columns: 1fr; }
  .case-metrics div + div { border-left: 0; border-top: 1px solid var(--line); }
  .contact-box { padding: 52px 0; }
  .contact-inner { align-items: flex-start; flex-direction: column; }
  .contact-actions { flex-direction: row; flex-wrap: wrap; min-width: 0; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}