:root {
  --ink: #152033;
  --muted: #536173;
  --soft: #738095;
  --paper: #ffffff;
  --panel: #f5f7fb;
  --line: #dce4ee;
  --navy: #102a43;
  --navy-2: #183b56;
  --accent: #0f766e;
  --accent-soft: #d9f0ed;
  --focus: #f59e0b;
  --shadow: 0 22px 60px rgba(16, 42, 67, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 228, 238, 0.88);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

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

.nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--navy);
  color: #ffffff;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--accent);
}

.section {
  padding: 86px 0;
}

.muted {
  background: var(--panel);
}

.hero {
  overflow: hidden;
  padding: 104px 0 96px;
  background:
    radial-gradient(circle at 82% 20%, rgba(15, 118, 110, 0.14), transparent 28%),
    linear-gradient(135deg, #ffffff 0%, #f5f8fc 55%, #eef5f6 100%);
}

.hero-grid,
.split-layout,
.education-layout,
.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 56px;
}

.hero-grid {
  align-items: center;
}

.hero-grid-simple {
  grid-template-columns: minmax(0, 860px);
}

.section-inner > *,
.hero-copy,
.text-block {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.75rem, 7.8vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.02rem;
  line-height: 1.3;
}

.headline {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--ink);
  font-size: clamp(1.26rem, 3vw, 1.65rem);
  font-weight: 760;
  line-height: 1.35;
}

.intro,
.text-block p,
.section-heading p,
.contact-card p {
  color: var(--muted);
  font-size: 1.05rem;
}

.intro {
  max-width: 760px;
  margin: 20px 0 0;
}

.text-block p {
  margin: 0;
}

.text-block p + p {
  margin-top: 18px;
}

.actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 850;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  border-color: var(--navy);
  background: var(--navy);
  color: #ffffff;
}

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

.button-secondary {
  background: #ffffff;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading p {
  margin: 16px 0 0;
}

.education-layout {
  align-items: start;
}

.credential-grid {
  display: grid;
  gap: 16px;
}

.credential-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 22px;
  box-shadow: 0 12px 32px rgba(16, 42, 67, 0.045);
}

.credential-card ul {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.credential-card li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
}

.credential-card li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.contact-section {
  background: var(--navy);
  color: #ffffff;
}

.contact-card {
  align-items: start;
}

.contact-card h2,
.contact-card .eyebrow {
  color: #ffffff;
}

.contact-card p {
  max-width: 680px;
  color: #d9e5ef;
}

.contact-actions {
  justify-content: flex-start;
}

.contact-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  border-bottom: 2px solid rgba(217, 240, 237, 0.7);
  color: #ffffff;
  font-weight: 850;
  text-decoration: none;
}

.contact-link:hover {
  border-bottom-color: #ffffff;
}

.contact-section .button-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  background: transparent;
  color: #ffffff;
}

.contact-section .button-secondary:hover {
  border-color: #ffffff;
}

.contact-section .button-primary {
  border-color: #ffffff;
  background: #ffffff;
  color: var(--navy);
}

.contact-section .button-primary:hover {
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}

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

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

.footer a {
  color: var(--accent);
  font-weight: 760;
  text-decoration: none;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero-grid,
  .split-layout,
  .education-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 620px) {
  .nav,
  .section-inner {
    width: min(calc(100% - 28px), 1120px);
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .brand span:last-child {
    max-width: 210px;
  }

  h1 {
    font-size: 2.5rem;
  }

  .headline {
    font-size: 1.22rem;
  }

  .intro,
  .text-block p,
  .section-heading p,
  .contact-card p {
    font-size: 1rem;
  }

  .actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .contact-link {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}