:root {
  --bg: #070a12;
  --bg-soft: #0c111d;
  --surface: #111827;
  --surface-strong: #172033;
  --text: #f4f7fb;
  --muted: #b2bdcc;
  --faint: #7f8ca0;
  --accent: #08b7ef;
  --accent-soft: #5ccbf1;
  --gold: #7f9cff;
  --line: rgba(160, 181, 211, 0.18);
  --max: 1180px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: 34rem;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 8%, rgba(8, 183, 239, 0.08), transparent 32rem),
    linear-gradient(180deg, rgba(255,255,255,0.018), transparent);
  z-index: -1;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-160%);
  background: var(--text);
  color: var(--bg);
  padding: 0.65rem 0.9rem;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7, 10, 18, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  min-width: max-content;
}

.brand img { width: 86px; height: 86px; flex: 0 0 86px; object-fit: contain; }
.brand strong { display: block; font-size: 1rem; letter-spacing: 0.01em; }
.brand > span > span { display: block; color: var(--muted); font-size: 0.78rem; line-height: 1.3; }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.55rem 0.75rem;
  font: inherit;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.primary-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0.035em;
  text-decoration: none;
}
.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] { color: var(--text); }

.primary-nav .nav-contact {
  color: var(--bg);
  background: var(--accent-soft);
  padding: 0.65rem 0.95rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-soft);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

h1, h2, h3 { text-wrap: balance; }
h1, h2 {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
h1 { margin: 0; font-size: clamp(2.25rem, 3.4vw, 3.2rem); }
h2 { margin: 0; font-size: clamp(1.5rem, 2vw, 2rem); }
h3 { line-height: 1.25; }
p { margin-top: 0; }

.hero {
  padding: clamp(4rem, 8vw, 6.5rem) 0 4.5rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(240px, 0.55fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: end;
}

.hero .role {
  margin: 2rem 0 0;
  color: var(--accent-soft);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  font-weight: 650;
}

.hero .intro {
  max-width: 760px;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--line);
  padding: 0.72rem 1rem;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.button-primary { background: var(--accent-soft); border-color: var(--accent-soft); color: var(--bg); }
.button:hover, .button:focus-visible { border-color: var(--accent-soft); }

.portrait-block { border-left: 1px solid var(--line); padding-left: clamp(1.5rem, 3vw, 2.5rem); }
.portrait-block img {
  width: 170px;
  height: 170px;
  flex: 0 0 170px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid rgba(92, 203, 241, 0.55);
  filter: saturate(0.82) contrast(1.03);
}
.portrait-block p { margin: 1.35rem 0 0; color: var(--muted); font-size: 0.92rem; }

.client-line { padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.client-line .container { display: flex; gap: 2rem; align-items: baseline; }
.client-line strong { color: var(--faint); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; }
.client-line span { color: var(--muted); font-size: 0.93rem; }

.section { padding: clamp(4rem, 7vw, 6.5rem) 0; border-bottom: 1px solid var(--line); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 1.18fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: 3.6rem;
}
.section-head > p { margin: 0; color: var(--muted); font-size: 1.05rem; }

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.fact { padding: 1.65rem 1.5rem 1.65rem 0; }
.fact + .fact { border-left: 1px solid var(--line); padding-left: 1.5rem; }
.fact strong { display: block; font-family: var(--sans); font-size: 1.75rem; font-weight: 700; color: var(--accent-soft); }
.fact span { display: block; margin-top: 0.25rem; color: var(--muted); font-size: 0.82rem; line-height: 1.5; }

.link-list { border-top: 1px solid var(--line); }
.link-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(220px, 0.75fr) minmax(0, 1.25fr) auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.link-row .number { color: var(--gold); font-size: 0.72rem; letter-spacing: 0.16em; }
.link-row h3 { margin: 0; font-family: var(--sans); font-size: clamp(1.15rem, 1.7vw, 1.55rem); font-weight: 650; }
.link-row p { margin: 0; color: var(--muted); font-size: 0.91rem; }
.link-row .arrow { color: var(--accent-soft); }
.link-row:hover h3, .link-row:focus-visible h3 { color: var(--accent-soft); }

.assignment-list { border-top: 1px solid var(--line); }
.assignment {
  display: grid;
  grid-template-columns: 8rem minmax(230px, 0.72fr) minmax(0, 1.28fr);
  gap: 2rem;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--line);
}
.assignment time { color: var(--accent-soft); font-size: 0.75rem; letter-spacing: 0.08em; }
.assignment h3 { margin: 0; font-size: 1rem; }
.assignment p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.evidence-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.evidence-item {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
}
.evidence-item strong { color: var(--gold); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
.evidence-item h3 { margin: 0 0 0.45rem; font-family: var(--sans); font-size: 1.25rem; font-weight: 650; }
.evidence-item p { color: var(--muted); margin: 0; font-size: 0.92rem; }

.page-hero { padding: clamp(3.5rem, 6vw, 5rem) 0 3.75rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 960px; font-size: clamp(2.1rem, 3vw, 2.85rem); }
.page-hero .lead { max-width: 790px; color: var(--muted); font-size: 1.1rem; margin: 1.4rem 0 0; }
.breadcrumbs { margin-bottom: 2.2rem; color: var(--faint); font-size: 0.78rem; }
.breadcrumbs a { color: var(--muted); }

.two-col {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 8vw, 8rem);
}
.two-col h2 { font-size: clamp(1.5rem, 2vw, 2rem); }
.prose { color: var(--muted); }
.prose h3 { color: var(--text); margin: 2.2rem 0 0.6rem; font-size: 1.12rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.topic-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.topic-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.topic-list strong { color: var(--text); }

.cta { background: var(--bg-soft); }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: end; }
.cta h2 { max-width: 760px; }
.cta p { max-width: 720px; color: var(--muted); margin: 1.2rem 0 0; }

.site-footer { padding: 2rem 0 2.5rem; color: var(--faint); font-size: 0.78rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.3rem; }
.footer-links a { color: var(--muted); }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 900px) {
  .hero-grid, .section-head, .two-col { grid-template-columns: 1fr; }
  .hero-grid { align-items: start; }
  .portrait-block { border-left: 0; border-top: 1px solid var(--line); padding: 2rem 0 0; display: flex; align-items: center; gap: 1.5rem; }
  .portrait-block p { margin: 0; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .fact:nth-child(4) { border-top: 1px solid var(--line); }
  .link-row { grid-template-columns: 3rem minmax(180px, 0.8fr) minmax(0, 1.2fr) auto; }
  .assignment { grid-template-columns: 6rem minmax(190px, 0.75fr) minmax(0, 1.25fr); gap: 1.2rem; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 2rem), var(--max)); }
  .header-inner { min-height: 92px; gap: 0.8rem; }
  .brand { min-width: 0; gap: 0.65rem; }
  .brand img { width: 64px; height: 64px; flex-basis: 64px; }
  .brand > span { min-width: 0; max-width: 150px; }
  .brand strong { font-size: 0.92rem; line-height: 1.2; }
  .brand > span > span { display: block; font-size: 0.66rem; line-height: 1.25; }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 92px;
    left: 0;
    right: 0;
    padding: 0.7rem 1rem 1rem;
    background: #080c15;
    border-bottom: 1px solid var(--line);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: grid; gap: 0; }
  .primary-nav li { border-top: 1px solid var(--line); }
  .primary-nav a { display: block; padding: 0.85rem 0; }
  .primary-nav .nav-contact { background: transparent; color: var(--accent-soft); }
  h1 { font-size: clamp(2.05rem, 9vw, 2.75rem); }
  .hero { padding-top: 3.5rem; }
  .portrait-block { align-items: flex-start; }
  .portrait-block img { width: 118px; height: 118px; flex-basis: 118px; }
  .client-line .container { display: block; }
  .client-line span { display: block; margin-top: 0.4rem; }
  .link-row, .assignment, .evidence-item { grid-template-columns: 1fr; gap: 0.55rem; }
  .link-row .arrow { display: none; }
  .assignment time, .evidence-item strong { margin-bottom: 0.2rem; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-inner { display: grid; }
}

@media (max-width: 480px) {
  .facts { grid-template-columns: 1fr; }
  .fact + .fact, .fact:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .hero-actions, .contact-actions { display: grid; }
  .button { width: 100%; }
  .portrait-block { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}