:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f3f7;
  --text: #172033;
  --muted: #5e6878;
  --line: #dfe4eb;
  --accent: #2859d6;
  --accent-dark: #1f46aa;
  --accent-soft: #edf2ff;
  --max: 1160px;
  --radius: 18px;
  --shadow: 0 18px 55px rgba(23, 32, 51, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(40, 89, 214, .28);
  outline-offset: 3px;
  border-radius: 8px;
}
.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 248, 250, .92);
  border-bottom: 1px solid rgba(223, 228, 235, .85);
  backdrop-filter: blur(14px);
}
.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { font-weight: 780; letter-spacing: -.025em; }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: .94rem;
  font-weight: 650;
}
.nav-links a {
  position: relative;
  transition: color .18s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--accent);
  transition: right .18s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after { right: 0; }
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-left: 15px;
  border-left: 1px solid var(--line);
  font-size: .83rem;
  font-weight: 780;
  letter-spacing: .03em;
}
.language-switch .current { color: var(--text); }
.language-switch a { color: var(--muted); }
.language-switch a:hover { color: var(--accent); }

main { overflow: hidden; }

.hero {
  position: relative;
  padding: 76px 0 66px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  top: -265px;
  right: -180px;
  border: 1px solid rgba(40, 89, 214, .12);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(40, 89, 214, .025),
    0 0 0 145px rgba(40, 89, 214, .018);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}
h1, h2, h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -.035em;
}
h1 {
  margin-bottom: 12px;
  font-size: clamp(3rem, 7vw, 5.4rem);
  font-weight: 790;
}
.h1-role {
  display: block;
  margin-top: 18px;
  color: var(--text);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.35;
  font-weight: 680;
  letter-spacing: -.025em;
}
.role-support {
  margin: -3px 0 23px;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 580;
}
.hero-copy {
  max-width: 760px;
  margin: 0 0 28px;
  color: #354055;
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
  line-height: 1.7;
}
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}
.facts li {
  padding: 8px 12px;
  color: #3e4a5f;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .91rem;
  font-weight: 650;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-weight: 750;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { background: var(--surface); }
.button-secondary:hover { border-color: #b8c1cf; }

.portrait-wrap {
  position: relative;
  max-width: 370px;
  margin-left: auto;
}
.portrait-wrap::before {
  content: "";
  position: absolute;
  top: -18px;
  right: -18px;
  width: 96px;
  height: 96px;
  background-image: radial-gradient(circle, rgba(40,89,214,.35) 1.3px, transparent 1.3px);
  background-size: 12px 12px;
  z-index: -1;
}
.portrait-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background:
    linear-gradient(135deg, rgba(40, 89, 214, .14), rgba(40, 89, 214, .03)),
    var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}
.portrait-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 32%;
  display: block;
}
.portrait-note {
  position: absolute;
  left: -28px;
  bottom: 28px;
  max-width: 230px;
  padding: 14px 16px;
  color: #344056;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(223,228,235,.9);
  border-radius: 14px;
  box-shadow: 0 12px 35px rgba(23, 32, 51, .10);
  font-size: .88rem;
  line-height: 1.45;
  font-weight: 650;
}

.section { padding: 82px 0; }
.section-white { background: var(--surface); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 54px;
  align-items: start;
  margin-bottom: 38px;
}
.section-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h2 { margin-bottom: 0; font-size: clamp(2.1rem, 4vw, 3.15rem); font-weight: 770; }
.section-intro {
  margin: 0;
  color: #465267;
  font-size: 1.08rem;
  line-height: 1.75;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(270px, .85fr);
  gap: 36px;
  align-items: stretch;
}
.profile-copy {
  position: relative;
  padding: 34px 34px 34px 42px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.profile-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}
.profile-copy p:first-child { margin-top: 0; }
.profile-copy p:last-child { margin-bottom: 0; }

.flow {
  padding: 28px;
  background: #101827;
  border-radius: var(--radius);
  color: #eef2f8;
}
.flow h3 { margin-bottom: 18px; font-size: 1.15rem; letter-spacing: -.01em; }
.flow-items { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flow-item {
  padding: 7px 10px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 8px;
  font-size: .86rem;
  font-weight: 680;
  white-space: nowrap;
}
.flow-arrow { color: #95a3bb; font-size: .9rem; }

.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.strength {
  position: relative;
  padding: 34px 30px 36px 0;
}
.strength + .strength {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}
.strength-index {
  display: block;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
}
.strength h3 { margin-bottom: 12px; font-size: 1.22rem; letter-spacing: -.02em; }
.strength p { margin: 0; color: var(--muted); font-size: .96rem; }

.work-grid { display: grid; gap: 18px; }
.work-card {
  position: relative;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 30px;
  padding: 30px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.work-card::before {
  content: attr(data-index);
  position: absolute;
  right: 22px;
  top: -18px;
  color: rgba(40, 89, 214, .055);
  font-size: 6.8rem;
  line-height: 1;
  font-weight: 850;
  letter-spacing: -.07em;
  pointer-events: none;
}
.work-tag {
  position: relative;
  z-index: 1;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 820;
  letter-spacing: .10em;
  text-transform: uppercase;
}
.work-card > div:last-child { position: relative; z-index: 1; }
.work-card h3 { margin-bottom: 10px; font-size: 1.38rem; }
.work-card p { margin: 0; color: var(--muted); }
.work-evidence {
  display: inline-block;
  margin-top: 14px;
  color: #374256;
  font-size: .91rem;
  font-weight: 700;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  gap: 36px;
}
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 7px;
  bottom: 8px;
  width: 1px;
  background: #cfd6e0;
}
.timeline-item { position: relative; padding: 0 0 34px 22px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--accent);
  border: 3px solid var(--surface);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--accent);
}
.timeline-date { margin-bottom: 5px; color: var(--muted); font-size: .85rem; font-weight: 700; }
.timeline-item h3 { margin-bottom: 8px; font-size: 1.2rem; }
.timeline-item p { margin: 0; color: var(--muted); font-size: .95rem; }

.side-card {
  padding: 28px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.side-card + .side-card { margin-top: 18px; }
.side-card h3 { margin-bottom: 18px; font-size: 1rem; letter-spacing: -.01em; }
.plain-list { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.plain-list strong { display: block; margin-bottom: 2px; font-size: .92rem; }
.plain-list span { color: var(--muted); font-size: .91rem; }

.contact { padding: 72px 0; background: #101827; color: #eef2f8; }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 44px;
  align-items: end;
}
.contact h2 { margin-bottom: 16px; color: #fff; }
.contact p { max-width: 680px; margin: 0; color: #b7c0cf; font-size: 1.05rem; }
.contact-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.contact-link {
  padding: 11px 14px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px;
  font-size: .93rem;
  font-weight: 720;
}
.contact-link:hover { background: rgba(255,255,255,.08); }

footer { padding: 22px 0; color: #7d8797; background: #0c1320; font-size: .83rem; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

@media (max-width: 920px) {
  .hero-grid, .section-head, .profile-grid, .experience-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 38px; }
  .portrait-wrap { width: min(100%, 430px); margin: 0; }
  .portrait-note { left: 18px; right: 18px; bottom: 18px; max-width: none; }
  .strengths { grid-template-columns: 1fr; border: 0; gap: 0; }
  .strength { padding: 28px 0; border-top: 1px solid var(--line); }
  .strength + .strength { padding-left: 0; border-left: 0; }
  .strength:last-child { border-bottom: 1px solid var(--line); }
  .contact-links { justify-content: flex-start; }
}
@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 62px; }
  .nav-right { gap: 10px; }
  .nav-links { gap: 10px; }
  .nav-links a { display: none; }
      .nav-links a[href="#contact"] { display: inline-flex; }
  .language-switch { padding-left: 10px; }
  .hero { padding-top: 52px; }
  .section { padding: 64px 0; }
  .work-card { grid-template-columns: 1fr; gap: 10px; padding: 24px; }
  .profile-copy, .flow, .side-card { padding: 24px; }
  .profile-copy { padding-left: 31px; }
  h1 { font-size: clamp(2.65rem, 16vw, 4.2rem); }
  .facts { gap: 8px; }
  .facts li { font-size: .84rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}