:root {
  --bg: #ffffff;
  --ink: #1f2530;
  --ink-soft: #5f697b;
  --line: #d8dee8;
  --surface: #ffffff;
  --brand: #01a7d9;
  --brand-strong: #048ab2;
  --shadow: rgba(17, 28, 45, 0.12);
  --radius: 14px;
  --radius-lg: 22px;
  --sans: "Poppins", "Avenir Next", "Trebuchet MS", sans-serif;
  --serif: "Merriweather", "Iowan Old Style", "Palatino Linotype", serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 74px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e8ecf2;
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
}

.brand img {
  width: 28px;
  height: 28px;
}

.brand span {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--brand-strong);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.main-nav a {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.09em;
  color: #303a4a;
  font-weight: 700;
}

.main-nav a.active,
.main-nav a:hover {
  color: var(--brand-strong);
}

.ops-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.ops-btn {
  border: 1px solid rgba(1, 167, 217, 0.35);
  background: rgba(1, 167, 217, 0.11);
  color: #01556e;
  border-radius: 999px;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.ops-btn:hover {
  background: rgba(1, 167, 217, 0.2);
}

.ops-btn.ghost {
  border-color: rgba(31, 37, 48, 0.24);
  color: #273041;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px 16px;
  background: #ffffff;
  border-bottom: 1px solid #edf1f7;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: var(--ink);
}

.hero-kicker {
  margin: 0;
  font-size: clamp(28px, 4.2vw, 52px);
  font-family: var(--serif);
}

h1 {
  margin: 6px 0 0;
  font-size: clamp(38px, 8vw, 102px);
  line-height: 0.98;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-role {
  max-width: 760px;
  margin: 12px auto 0;
  font-size: clamp(15px, 2.2vw, 22px);
  color: var(--ink-soft);
}

.hero-links {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-links a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.93);
  color: #1d2735;
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
}

.hero-cta {
  display: inline-block;
  margin-top: 18px;
  background: linear-gradient(135deg, #03b8ef, #0194c0);
  color: #f7fcff;
  border-radius: 6px;
  padding: 12px 18px;
  font-size: 13px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-cta:hover {
  filter: brightness(1.08);
}

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 16px 0;
}

.section-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 28px var(--shadow);
  padding: 20px;
}

.profile-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

.profile-copy p {
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.facts {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.facts div {
  border: 1px solid #e4e9f0;
  border-radius: 10px;
  padding: 10px;
  background: #f9fbfe;
}

.facts span {
  display: block;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #667288;
  font-family: var(--mono);
  margin-bottom: 4px;
}

.facts strong {
  font-size: 14px;
}

.timeline {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.timeline article {
  border: 1px solid #e4e9f0;
  border-radius: 10px;
  padding: 12px;
  background: #f9fbfe;
}

.tag {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  color: #3a4a66;
  font-family: var(--mono);
}

.timeline p {
  margin: 0;
  color: var(--ink-soft);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-head a {
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.post {
  border: 1px solid #e4e9f0;
  border-radius: 10px;
  padding: 12px;
  background: #f9fbfe;
}

.meta {
  margin: 0;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #627085;
  font-family: var(--mono);
}

h3 {
  margin: 8px 0 0;
  font-size: 19px;
  line-height: 1.2;
}

.post p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.post a {
  display: inline-block;
  margin-top: 10px;
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 700;
}

.footer {
  margin-top: 28px;
  padding: 16px;
  text-align: center;
  color: #67748a;
  font-size: 13px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .topbar {
    position: static;
  }
}

@media (max-width: 920px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav,
  .ops-nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 72vh;
  }

  .timeline,
  .post-grid,
  .facts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 10px 12px;
  }

  .ops-btn {
    width: 100%;
    text-align: center;
  }

  .hero {
    min-height: 64vh;
    padding: 26px 12px;
  }
}