:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --text: #15202b;
  --muted: #596775;
  --line: #d8e0e8;
  --brand: #155e75;
  --brand-strong: #0e4a5c;
  --brand-soft: #dff3f7;
  --accent: #b45309;
  --accent-soft: #fff0d8;
  --success: #166534;
  --shadow: 0 18px 55px rgba(15, 40, 55, .10);
  --shadow-sm: 0 8px 24px rgba(15, 40, 55, .08);
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1180px;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0d151b;
  --surface: #121f27;
  --surface-2: #182832;
  --text: #edf5f7;
  --muted: #a8bbc4;
  --line: #29404c;
  --brand: #55bed1;
  --brand-strong: #86d4e1;
  --brand-soft: #153944;
  --accent: #f5b45f;
  --accent-soft: #3d2b15;
  --success: #80d79a;
  --shadow: 0 20px 65px rgba(0, 0, 0, .34);
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 9999;
  background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 36px), var(--max)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-tight { padding: 58px 0; }
.section-alt { background: var(--surface); border-block: 1px solid var(--line); }
.eyebrow, .section-kicker {
  margin: 0 0 12px; text-transform: uppercase; letter-spacing: .13em; font-size: .78rem;
  font-weight: 800; color: var(--brand);
}
.section-head { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: end; margin-bottom: 36px; }
.section-head h2, .section-title { margin: 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.05; letter-spacing: -.045em; }
.section-head p { max-width: 620px; margin: 0; color: var(--muted); }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 760px; }
.muted { color: var(--muted); }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--brand); color: #fff; font-weight: 900; box-shadow: var(--shadow-sm); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: .94rem; font-weight: 700; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn, .menu-btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--text); width: 42px; height: 42px;
  border-radius: 12px; display: grid; place-items: center;
}
.menu-btn { display: none; }
html:not(.js) [data-theme-toggle] { display: none; }

.hero { position: relative; overflow: hidden; padding: 78px 0 62px; }
.hero::before {
  content: ""; position: absolute; inset: -30% auto auto 55%; width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand) 16%, transparent), transparent 68%); pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 64px; align-items: center; }
.hero h1 { margin: 0; font-size: clamp(3rem, 7vw, 6.25rem); line-height: .96; letter-spacing: -.065em; max-width: 850px; }
.hero h1 span { color: var(--brand); }
.hero-copy { margin: 24px 0 0; font-size: clamp(1.08rem, 2vw, 1.28rem); color: var(--muted); max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 18px;
  border-radius: 12px; text-decoration: none; font-weight: 800; border: 1px solid transparent;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-strong); }
.btn-secondary { background: var(--surface); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--brand); }

.hero-panel {
  position: relative; background: linear-gradient(155deg, var(--surface), var(--surface-2)); border: 1px solid var(--line);
  border-radius: 28px; box-shadow: var(--shadow); padding: 22px; transform: rotate(1.2deg);
}
.panel-top { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 18px; }
.panel-top strong { font-size: .95rem; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-size: .78rem; color: var(--success); font-weight: 800; }
.status-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 13%, transparent); }
.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 15px; }
.kpi span { display: block; color: var(--muted); font-size: .74rem; font-weight: 750; }
.kpi strong { display: block; font-size: 1.65rem; letter-spacing: -.04em; margin-top: 4px; }
.flow { margin-top: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 16px; }
.flow-title { color: var(--muted); font-size: .74rem; font-weight: 800; margin-bottom: 13px; }
.flow-row { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 8px; }
.flow-step { min-height: 54px; display: grid; place-items: center; text-align: center; padding: 8px; border-radius: 10px; background: var(--surface-2); font-size: .75rem; font-weight: 800; }
.flow-arrow { color: var(--brand); font-weight: 900; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 54px; }
.metric { border-top: 1px solid var(--line); padding-top: 18px; }
.metric strong { display: block; font-size: clamp(1.8rem, 4vw, 2.65rem); line-height: 1; letter-spacing: -.045em; color: var(--brand); }
.metric span { display: block; color: var(--muted); margin-top: 8px; font-size: .9rem; }

.capability-strip { border-block: 1px solid var(--line); background: var(--surface); }
.capability-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; padding: 18px 0; color: var(--muted); font-size: .86rem; font-weight: 750; }
.capability-list span::before { content: "•"; color: var(--brand); margin-right: 12px; }
.capability-list span:first-child::before { display: none; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card { display: flex; flex-direction: column; min-height: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.case-visual { min-height: 205px; padding: 22px; background: linear-gradient(145deg, var(--brand-soft), var(--surface-2)); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.case-visual::after { content: ""; position: absolute; width: 150px; height: 150px; border-radius: 50%; right: -45px; top: -45px; border: 25px solid color-mix(in srgb, var(--brand) 12%, transparent); }
.case-body { padding: 23px; display: flex; flex-direction: column; flex: 1; }
.case-number { color: var(--brand); font-weight: 900; letter-spacing: .1em; font-size: .75rem; }
.case-body h3 { margin: 7px 0 10px; line-height: 1.16; font-size: 1.42rem; letter-spacing: -.025em; }
.case-body p { margin: 0; color: var(--muted); }
.case-link { display: block; margin-top: 18px; color: var(--brand); font-weight: 850; text-decoration: none; }
.case-link:hover { text-decoration: underline; }

.mini-dashboard { display: grid; grid-template-columns: 1fr .65fr; gap: 10px; height: 100%; }
.mini-panel { background: color-mix(in srgb, var(--surface) 94%, transparent); border: 1px solid color-mix(in srgb, var(--line) 90%, transparent); border-radius: 12px; padding: 13px; box-shadow: 0 10px 28px rgba(15, 40, 55, .08); }
.mini-bars { display: grid; gap: 9px; margin-top: 16px; }
.mini-bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.mini-bar i { display: block; height: 100%; background: var(--brand); border-radius: inherit; }
.mini-workflow { display: flex; align-items: center; gap: 7px; height: 100%; }
.mini-node { flex: 1; min-height: 54px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; font-size: .69rem; text-align: center; font-weight: 800; }
.mini-site { height: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; overflow: hidden; box-shadow: 0 12px 30px rgba(15, 40, 55, .1); }
.mini-site-top { height: 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 5px; padding: 0 10px; }
.mini-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.mini-site-hero { margin: 14px; padding: 17px; border-radius: 10px; background: var(--brand-soft); }
.mini-site-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; padding: 0 14px 14px; }
.mini-site-card { height: 50px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); }

.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value-card { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 26px; }
.value-icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); margin-bottom: 18px; font-weight: 900; }
.value-card h3 { margin: 0 0 8px; font-size: 1.25rem; }
.value-card p { margin: 0; color: var(--muted); }

.timeline { display: grid; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 190px 1fr; gap: 34px; padding: 32px 0; border-top: 1px solid var(--line); }
.timeline-item:last-child { border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--muted); font-size: .9rem; font-weight: 750; }
.timeline-role h3 { margin: 0; font-size: 1.25rem; }
.timeline-role h4 { margin: 4px 0 12px; color: var(--brand); font-size: .95rem; }
.timeline-role p { margin: 0; color: var(--muted); max-width: 760px; }
.timeline-highlights { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { display: inline-flex; align-items: center; min-height: 30px; padding: 0 11px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); font-size: .78rem; font-weight: 750; }

.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.skill-group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.skill-group h3 { margin: 0 0 16px; }
.skill-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.skill-list li { display: flex; gap: 10px; align-items: start; color: var(--muted); }
.skill-list li::before { content: "✓"; color: var(--brand); font-weight: 900; }

.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.about-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); }
.profile-mark { width: 88px; height: 88px; border-radius: 26px; display: grid; place-items: center; background: var(--brand); color: #fff; font-size: 2rem; font-weight: 900; box-shadow: var(--shadow-sm); }
.about-card h3 { font-size: 1.5rem; margin: 18px 0 6px; }
.about-card p { color: var(--muted); }
.link-list { display: grid; gap: 10px; margin-top: 18px; }
.link-list a { display: flex; justify-content: space-between; gap: 15px; padding: 13px 0; border-top: 1px solid var(--line); text-decoration: none; font-weight: 800; }
.link-list a:hover { color: var(--brand); }

.cta { padding: 72px 0; }
.cta-box { background: var(--brand); color: #fff; border-radius: 28px; padding: clamp(30px, 6vw, 64px); display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; box-shadow: var(--shadow); }
.cta-box h2 { margin: 0; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1; letter-spacing: -.045em; }
.cta-box p { margin: 14px 0 0; color: rgba(255,255,255,.82); max-width: 670px; }
.cta-box .btn-secondary { color: var(--text); }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; }
.footer-row { display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: .85rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Case study pages */
.page-hero { padding: 66px 0 54px; }
.breadcrumb { display: flex; gap: 8px; color: var(--muted); font-size: .86rem; margin-bottom: 20px; }
.breadcrumb a { text-decoration: none; }
.page-hero h1 { margin: 0; font-size: clamp(2.8rem, 7vw, 5.5rem); line-height: .96; letter-spacing: -.06em; max-width: 970px; }
.page-summary { font-size: 1.18rem; color: var(--muted); max-width: 820px; margin: 24px 0 0; }
.meta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.case-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 56px; align-items: start; }
.case-content h2 { margin: 54px 0 14px; font-size: 2rem; letter-spacing: -.035em; }
.case-content h2:first-child { margin-top: 0; }
.case-content p { color: var(--muted); }
.case-content ul { color: var(--muted); padding-left: 1.2rem; }
.case-content li + li { margin-top: 8px; }
.case-sidebar { position: sticky; top: 100px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.case-sidebar h3 { margin-top: 0; }
.fact-list { display: grid; gap: 14px; }
.fact { border-top: 1px solid var(--line); padding-top: 13px; }
.fact span { display: block; color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.fact strong { display: block; margin-top: 4px; }
.confidentiality { margin-top: 54px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); color: var(--muted); font-size: .9rem; }

.artifact { margin: 38px 0; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow-sm); overflow: hidden; }
.artifact-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.artifact-head strong { font-size: .9rem; }
.artifact-body { padding: 22px; }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.dashboard-kpi { background: var(--surface-2); border: 1px solid var(--line); border-radius: 13px; padding: 15px; }
.dashboard-kpi span { display: block; color: var(--muted); font-size: .75rem; }
.dashboard-kpi strong { display: block; font-size: 1.55rem; margin-top: 4px; }
.data-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: .82rem; }
.data-table th, .data-table td { padding: 11px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.data-table th { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }
.severity { display: inline-flex; padding: 3px 8px; border-radius: 99px; font-size: .7rem; font-weight: 850; }
.severity.high { background: #fee2e2; color: #991b1b; }
.severity.med { background: #fef3c7; color: #92400e; }
.severity.low { background: var(--brand-soft); color: var(--brand-strong); }

.process-map { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; align-items: center; }
.process-step { min-height: 112px; border: 1px solid var(--line); border-radius: 14px; padding: 15px; background: var(--surface-2); }
.process-step b { display: block; color: var(--brand); margin-bottom: 7px; }
.process-step span { color: var(--muted); font-size: .8rem; }
.process-arrow { display: none; }

.site-map { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.browser-mock { border: 1px solid var(--line); border-radius: 15px; overflow: hidden; }
.browser-bar { height: 32px; border-bottom: 1px solid var(--line); background: var(--surface-2); display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.browser-bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.browser-page { padding: 20px; }
.browser-hero { background: var(--brand-soft); border-radius: 12px; padding: 20px; }
.browser-hero b { font-size: 1.25rem; }
.browser-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 12px; }
.browser-card { min-height: 72px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.arch-list { display: grid; gap: 10px; }
.arch-node { border-left: 4px solid var(--brand); background: var(--surface-2); border-radius: 0 10px 10px 0; padding: 12px 14px; }
.arch-node strong { display: block; }
.arch-node span { color: var(--muted); font-size: .8rem; }

/* Resume page */
.resume-shell { max-width: 980px; margin: 48px auto 80px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 24px; overflow: hidden; }
.resume-toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.resume-paper { padding: clamp(28px, 7vw, 70px); }
.resume-name { font-size: 2.3rem; letter-spacing: -.04em; line-height: 1; margin: 0; }
.resume-title { color: var(--brand); font-weight: 850; margin-top: 8px; }
.resume-contact { color: var(--muted); margin-top: 8px; font-size: .9rem; }
.resume-section { margin-top: 34px; }
.resume-section h2 { font-size: .82rem; text-transform: uppercase; letter-spacing: .13em; color: var(--brand); border-bottom: 2px solid var(--brand); padding-bottom: 7px; margin-bottom: 16px; }
.resume-role { margin-top: 22px; }
.resume-role:first-child { margin-top: 0; }
.resume-role-head { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; }
.resume-role h3 { margin: 0; font-size: 1.03rem; }
.resume-role .date { color: var(--muted); font-size: .86rem; white-space: nowrap; }
.resume-company { color: var(--brand); font-weight: 780; font-size: .92rem; }
.resume-role ul { margin: 10px 0 0; padding-left: 1.1rem; color: var(--muted); }
.resume-role li + li { margin-top: 6px; }
.resume-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }

.not-found { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.not-found h1 { font-size: clamp(4rem, 15vw, 9rem); line-height: 1; margin: 0; color: var(--brand); }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 3px; }

@media (max-width: 980px) {
  .hero-grid, .about-grid, .case-layout, .site-map { grid-template-columns: 1fr; }
  .hero-panel { max-width: 660px; transform: none; }
  .cards, .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .case-sidebar { position: static; }
  .process-map { grid-template-columns: 1fr; }
  .process-step { min-height: auto; }
}

@media (max-width: 760px) {
  .section { padding: 68px 0; }
  .section-head { grid-template-columns: 1fr; }
  .nav-links { flex-wrap: wrap; gap: 8px 14px; }
  .js .nav-links {
    display: none; position: absolute; inset: 76px 18px auto; background: var(--surface); border: 1px solid var(--line);
    border-radius: 16px; box-shadow: var(--shadow); padding: 18px; flex-direction: column; align-items: stretch;
  }
  .js .nav-links.is-open { display: flex; }
  .nav-links a { padding: 8px 4px; }
  .js .menu-btn { display: grid; }
  .hero { padding-top: 48px; }
  .hero-grid { gap: 42px; }
  .cards, .skills-grid, .value-grid, .resume-two-col { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .cta-box { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .data-table { display: block; overflow-x: auto; }
  .resume-role-head { flex-direction: column; gap: 3px; }
}

@media (max-width: 480px) {
  .container { width: min(calc(100% - 24px), var(--max)); }
  .brand span:last-child { display: none; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); }
  .hero-actions .btn { width: 100%; }
  .capability-list { justify-content: flex-start; }
  .capability-list span::before { display: inline; }
  .browser-cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header, .resume-toolbar, .site-footer, .skip-link { display: none !important; }
  body { background: #fff; color: #111; }
  .resume-shell { margin: 0; border: 0; box-shadow: none; border-radius: 0; }
  .resume-paper { padding: .35in; }
  .resume-role ul, .resume-contact, .muted { color: #333; }
  a { text-decoration: none; }
}