/* ---------- Brand tokens (estimated from the existing homepage) ----------
   If a colour or font is slightly off, change it here and the whole page follows. */
:root {
  --bg: #EEF0F4;
  --surface: #FFFFFF;
  --ink: #1E2530;
  --ink-2: #4F5A6B;
  --muted: #8B95A5;
  --line: #E1E5EC;
  --accent: #2A6049;
  --accent-ink: #FFFFFF;
  --accent-wash: #E2F1E8;
  --accent-line: #BFDCCB;
  --linkedin: #0A66C2;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(20, 30, 50, .04), 0 6px 20px rgba(20, 30, 50, .05);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: clamp(20px, 5vw, 48px); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: var(--radius); z-index: 50; }
.skip:focus { left: 8px; }

/* Labels in the brand's mono voice */
.mono-label { font: 400 .72rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--surface); box-shadow: 0 1px 0 var(--line), 0 4px 16px rgba(20, 30, 50, .04); }
.bar { display: flex; align-items: center; gap: 20px; min-height: 70px; flex-wrap: nowrap; padding-block: 8px; }
.bar .nav { min-width: 0; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.mark { display: grid; place-items: center; width: 38px; height: 38px; background: var(--accent); color: var(--accent-ink); border-radius: 8px; font: 600 .9rem var(--sans); }
.brand-text b { display: block; font: 600 1.05rem/1.2 var(--sans); }
.brand-text span { display: block; font: 400 .68rem/1.4 var(--mono); letter-spacing: .08em; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 20px; margin-left: auto; flex: none; font-size: .94rem; }
.nav a { text-decoration: none; color: var(--ink-2); padding-block: 6px; white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.nav .in { background: var(--linkedin); color: #fff; padding: 7px 11px; border-radius: 5px; font: 600 .82rem var(--sans); }
.nav .in:hover { color: #fff; filter: brightness(1.1); }
.pill { flex: 0 1 auto; min-width: 0; max-width: 200px; overflow: hidden; text-overflow: ellipsis; display: inline-flex; align-items: center; gap: 8px; font: 500 .68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); background: var(--accent-wash); border: 1px solid var(--accent-line); border-radius: 999px; padding: 5px 13px; white-space: nowrap; }
.pill::before { flex: none; content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@media (max-width: 960px) {
  .bar { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; margin-left: 0; gap: 20px; overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; }
  .bar { gap: 8px 16px; }
  .bar .pill { margin-left: auto; }
}

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 4px; font: 600 .95rem var(--sans); text-decoration: none; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--accent); transition: border-color .15s, background .15s; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.1); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Hero ---------- */
.hero { display: grid; gap: 40px 56px; padding-block: clamp(40px, 7vw, 84px) 40px; }
@media (min-width: 960px) { .hero { grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr); align-items: start; } }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 26px; font: 400 .74rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 20px; height: 1px; background: var(--accent); }
h1 { margin: 0 0 28px; font: 300 clamp(2.2rem, 5vw, 3.5rem)/1.12 var(--serif); letter-spacing: -.015em; }
h1 em { display: block; font-style: italic; color: var(--accent); }
.role-line { margin: -8px 0 22px; font-size: 1.02rem; color: var(--ink-2); }
.lede p { max-width: 58ch; margin: 0 0 1em; color: var(--ink-2); font-size: 1.06rem; line-height: 1.85; }
.hero .actions { margin-top: 30px; }

.stat-card { background: var(--surface); border-radius: 8px; box-shadow: var(--shadow); padding: 14px 32px; }
.stat { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; }
.stat + .stat { border-top: 1px solid var(--line); }
.stat .l .k { display: block; font: 400 .72rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.stat .l .ks { display: block; margin-top: 4px; font: 400 .66rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); opacity: .85; }
.stat .l { min-width: 0; }
.stat .r { text-align: right; flex: none; }
.stat .r .v { display: block; font: 600 1.55rem/1.15 var(--mono); color: var(--accent); }
.stat .r .u { display: block; margin-top: 4px; font: 400 .66rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.stat .r .v.long { font-size: 1.05rem; line-height: 1.35; white-space: nowrap; }

/* ---------- Section frame ---------- */
.block { padding-block: clamp(28px, 4vw, 48px); }
.sec-head { display: flex; align-items: center; gap: 16px; margin: 0 0 26px; }
.sec-head h2 { margin: 0; font: 400 .74rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.sec-head h2::before { content: "// "; opacity: .7; }
.sec-head::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.pad { padding: clamp(22px, 3.2vw, 36px); }

/* ---------- Platform range (the page's one distinctive element) ---------- */
.range { padding: clamp(22px, 3vw, 32px); }
.range-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; margin-bottom: 22px; }
.range-head .t { font: 400 .74rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.range-head .t::before { content: "// "; opacity: .7; }
.range-head .n { font-size: .88rem; color: var(--ink-2); }
.track { display: flex; gap: 8px; }
.era { min-width: 0; }
.era .line { height: 6px; border-radius: 3px; transform-origin: left; animation: draw 1.1s cubic-bezier(.22, .7, .2, 1) both; }
.era:nth-child(odd) .line { background: #B7C9BE; }
.era:nth-child(even) .line { background: var(--accent); animation-delay: .35s; }
.era h3 { margin: 14px 0 2px; font: 600 1rem var(--sans); }
.era p { margin: 0; color: var(--ink-2); font-size: .9rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; padding: 0; list-style: none; }
.chips li { font: 400 .78rem var(--mono); padding: 3px 9px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); color: var(--ink-2); }
.era:nth-child(even) .chips li { background: var(--accent-wash); border-color: var(--accent-line); color: var(--accent); }
@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (max-width: 760px) { .track { flex-direction: column; gap: 24px; } .era { flex: none !important; } }

/* ---------- Profile ---------- */
.profile { display: grid; gap: 22px 48px; }
@media (min-width: 860px) { .profile.two { grid-template-columns: 1fr 1fr; } }
.profile p { margin: 0; color: var(--ink-2); line-height: 1.85; max-width: 62ch; }

/* ---------- Case studies ---------- */
.cases { display: grid; gap: 12px; }
details.case { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
details.case[open] { border-color: var(--accent-line); box-shadow: var(--shadow); }
details.case summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 26px; position: relative; }
details.case summary::-webkit-details-marker { display: none; }
details.case summary::after { content: ""; position: absolute; right: 26px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
details.case[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.case h3 { margin: 0 0 4px; font: 400 1.2rem/1.35 var(--serif); }
.case .gist { margin: 0; color: var(--ink-2); font-size: .96rem; }
.case .body { display: grid; gap: 16px; margin: 0 26px; padding: 20px 0 26px; border-top: 1px solid var(--line); }
.case .body h4 { margin: 0 0 4px; font: 400 .72rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.case .body p { margin: 0; max-width: 70ch; color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.tags li { font: 400 .78rem var(--mono); color: var(--ink-2); background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 2px 9px; }

/* ---------- Experience ---------- */
.jobs { display: grid; gap: 16px; }
.job header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 24px; margin-bottom: 16px; }
.job h3 { margin: 0; font: 400 1.25rem/1.3 var(--serif); }
.job .org { color: var(--ink-2); }
.job time { font: 400 .8rem var(--mono); letter-spacing: .06em; color: var(--muted); padding-top: 6px; }
.job ul { margin: 0; padding-left: 1.15em; max-width: 78ch; color: var(--ink-2); }
.job li { margin-bottom: 8px; padding-left: 4px; line-height: 1.7; }
.job li::marker { color: var(--accent); }

/* ---------- Capabilities ---------- */
.caps { margin: 0; }
.caps > div { display: grid; gap: 4px 32px; padding-block: 18px; border-top: 1px solid var(--line); }
.caps > div:first-child { border-top: 0; padding-top: 0; }
.caps > div:last-child { padding-bottom: 0; }
@media (min-width: 700px) { .caps > div { grid-template-columns: 220px 1fr; } }
.caps dt { font: 400 .74rem/1.7 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding-top: 2px; }
.caps dd { margin: 0; color: var(--ink-2); }

/* ---------- Credentials ---------- */
.creds { display: grid; gap: 16px; }
@media (min-width: 760px) { .creds { grid-template-columns: 3fr 2fr; } }
.creds h3 { margin: 0 0 18px; font: 400 .74rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.creds ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.creds li { display: flex; justify-content: space-between; gap: 18px; color: var(--ink-2); }
.creds li .y { font: 400 .8rem var(--mono); color: var(--muted); white-space: nowrap; padding-top: 3px; }
.edu strong { display: block; font: 400 1.15rem/1.4 var(--serif); color: var(--ink); }
.edu span { display: block; color: var(--ink-2); margin-top: 4px; }
.edu .y { font: 400 .8rem var(--mono); color: var(--muted); margin-top: 10px; }

/* ---------- Labs ---------- */
.labs { display: grid; gap: 28px 48px; }
@media (min-width: 860px) { .labs { grid-template-columns: 1fr 1fr; align-items: start; } }
.labs h3 { margin: 0 0 10px; font: 300 1.7rem/1.25 var(--serif); }
.labs p { margin: 0 0 22px; max-width: 46ch; color: var(--ink-2); }
.reads h4 { margin: 0 0 14px; font: 400 .72rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.reads ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.reads li { padding-top: 14px; border-top: 1px solid var(--line); }
.reads li:first-child { padding-top: 0; border-top: 0; }
.reads a { font-weight: 500; }
.reads small { display: block; margin-top: 2px; font: 400 .72rem var(--mono); letter-spacing: .06em; color: var(--muted); }

/* ---------- Contact + footer ---------- */
.contact h2 { margin: 0 0 14px; font: 300 clamp(1.7rem, 3.6vw, 2.4rem)/1.2 var(--serif); letter-spacing: -.01em; max-width: 24ch; }
.contact p { margin: 0 0 20px; max-width: 52ch; color: var(--ink-2); }
.contact-grid { display: grid; gap: 28px; }
@media (min-width: 840px) { .contact-grid { grid-template-columns: 1fr 1.25fr; align-items: start; gap: 40px; } }
.contact-direct { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.contact-form { display: grid; gap: 14px; background: color-mix(in srgb, var(--bg) 60%, var(--surface)); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.contact-form .fld { display: grid; gap: 6px; }
.contact-form label { font: 500 .76rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; font: 400 .95rem var(--sans); background: var(--surface); color: var(--ink); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-wash); }
.contact-form .form-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.contact-form .tg-badge { font: 500 .74rem var(--mono); color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.contact-status { padding: 12px 14px; border-radius: 4px; font-size: .9rem; line-height: 1.4; }
.contact-status.ok { background: var(--accent-wash); border: 1px solid var(--accent-line); color: var(--accent); }
.contact-status.err { background: #FDECEA; border: 1px solid #F3B8B2; color: #B42318; }
footer { margin-top: clamp(28px, 4vw, 48px); background: var(--surface); box-shadow: 0 -1px 0 var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 26px; color: var(--muted); font-size: .9rem; }
footer .mono-label { font-size: .66rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .era .line { animation: none; }
  details.case summary::after { transition: none; }
}

/* ---------- Print: a clean CV straight from the browser ---------- */
@media print {
  :root { --bg: #fff; --surface: #fff; --line: #ccc; }
  body { font-size: 10pt; }
  .site-header, .hero .actions, .contact .actions, .labs-block, .skip { display: none !important; }
  .card, details.case { box-shadow: none; break-inside: avoid; }
  .stat-card { box-shadow: none; border: 1px solid var(--line); }
  .block { padding-block: 14pt; }
  .era .line { animation: none; }
  a { text-decoration: none; }
}

/* Layout resilience for narrow screens and expanded work cards */
.cases, .jobs, .contact-grid, .labs, .profile { min-width: 0; }
.cases > *, .jobs > *, .contact-grid > *, .labs > *, .profile > * { min-width: 0; }
details.case { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
details.case summary { display: block; min-width: 0; overflow-wrap: anywhere; }
.case .body, .case .body > *, .card, .pad { min-width: 0; }
.case .body p, .case .gist, .job p, .labs p { overflow-wrap: anywhere; }
@media (max-width: 600px) {
  details.case summary { padding: 18px 42px 18px 18px; }
  details.case summary::after { right: 18px; }
  .case .body { margin-inline: 18px; }
  .contact-form { padding: 16px; }
  .form-foot { flex-wrap: wrap; }
}