:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #657086;
  --line: #e3e7ef;
  --accent: #2457c5;
  --accent-dark: #173f98;
  --accent-soft: #eaf0ff;
  --shadow: 0 18px 50px rgba(23, 32, 51, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(36, 87, 197, 0.14), transparent 34rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 16px;
  background: var(--text);
  color: white;
  padding: 10px 14px;
  border-radius: 10px;
}

.skip-link:focus {
  left: 16px;
  z-index: 10;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(16px);
  background: rgba(247, 248, 251, 0.82);
  border-bottom: 1px solid rgba(227, 231, 239, 0.75);
}

.nav {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: var(--text);
  color: white;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand:hover {
  color: white;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  font-weight: 650;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 44px;
  align-items: center;
  padding: 88px 0 72px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 5.8rem);
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.18rem;
}

.lead {
  margin: 24px 0 0;
  max-width: 760px;
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.05);
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.profile-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 20px;
  background: var(--accent-soft);
  margin-bottom: 18px;
}

.profile-card dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.profile-card div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.profile-card dt {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}

.profile-card dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.section {
  padding: 64px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  color: var(--muted);
  font-size: 1.08rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.card,
.list-item,
.contact-card,
.name-box,
.timeline-item {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 34px rgba(23, 32, 51, 0.05);
}

.card {
  padding: 22px;
}

.card p,
.list-item p {
  color: var(--muted);
  margin-bottom: 0;
}

.list {
  display: grid;
  gap: 16px;
}

.list-item {
  padding: 22px;
}

.video-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.text-link {
  font-weight: 800;
  white-space: nowrap;
}

.timeline-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.timeline-item .meta {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 750;
}

.timeline-item > p {
  color: var(--muted);
  margin: 0 0 12px;
}

.timeline-item ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.timeline-earlier p {
  margin: 0 0 8px;
}

.timeline-earlier p:last-child {
  margin-bottom: 0;
}

.name-box {
  padding: 34px;
}

.name-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 18px 0;
  list-style: none;
}

.name-list li {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 750;
}

.small-note {
  color: var(--muted);
  font-size: 0.95rem;
}

code {
  background: #eef2fa;
  padding: 2px 6px;
  border-radius: 8px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.contact-card {
  display: block;
  padding: 20px;
  color: var(--text);
}

.contact-card:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.contact-card span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.footer {
  margin-top: 40px;
  padding: 28px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .profile-card {
    max-width: 460px;
  }

  .cards,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-end;
    gap: 10px 14px;
  }

  .hero {
    padding-top: 56px;
  }

  .content-grid,
  .cards,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .video-item {
    align-items: flex-start;
    flex-direction: column;
  }
}