:root {
  --navy: #0D1B2A;
  --blue: #2563EB;
  --gray: #64748B;
  --light: #E5E7EB;
  --paper: #FFFFFF;
  --soft: #F8FAFC;
  --ink: #0F172A;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(20px, 4vw, 60px);
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--light);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand img {
  width: 38px;
  height: 38px;
}

nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray);
}

nav a:hover { color: var(--blue); }

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(60px, 8vw, 110px) 24px;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  border-bottom: 1px solid var(--light);
}

.hero-logo {
  background: var(--navy);
  border-radius: 26px;
  padding: 26px;
  box-shadow: 0 24px 60px rgba(13,27,42,.16);
}

.hero-logo img { width: 100%; display: block; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}

h1 {
  margin: 0;
  font-size: clamp(50px, 8vw, 88px);
  line-height: .92;
  letter-spacing: -.07em;
}

.hero h2 {
  margin: 18px 0 14px;
  color: var(--blue);
  font-size: clamp(20px, 3vw, 30px);
  letter-spacing: -.03em;
}

.hero p:not(.eyebrow) {
  max-width: 620px;
  color: var(--gray);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 120px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid var(--light);
}

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

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(46px, 7vw, 80px) 24px;
  border-bottom: 1px solid var(--light);
}

.section-label {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .16em;
  margin-bottom: 14px;
}

.section-title, .two-column h2, .contact h2 {
  margin: 0 0 26px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  letter-spacing: -.05em;
}

.two-column {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 60px;
}

.two-column p {
  color: var(--gray);
  margin: 0 0 16px;
  font-size: 17px;
}

.timeline {
  display: grid;
  gap: 18px;
}

.job {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 22px;
}

.date {
  padding-top: 22px;
  color: var(--blue);
  font-weight: 900;
}

.job-card {
  border: 1px solid var(--light);
  border-left: 5px solid var(--blue);
  border-radius: 16px;
  padding: 22px 24px;
  background: var(--soft);
}

.job-card h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -.03em;
}

.company {
  margin: 4px 0 12px;
  color: var(--gray);
  font-weight: 700;
}

.job-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--gray);
}

.skill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-grid span {
  border: 1px solid var(--light);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
  color: var(--navy);
  background: white;
}

.contact {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}

.contact-links {
  display: grid;
  gap: 12px;
}

.contact-links a {
  color: var(--blue);
  font-weight: 800;
}

footer {
  padding: 34px 24px;
  text-align: center;
  color: var(--gray);
}

footer img {
  width: 46px;
  height: 46px;
}

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { overflow-x: auto; width: 100%; }
  .hero, .two-column, .job, .contact { grid-template-columns: 1fr; }
  .hero-logo { width: 190px; }
  .contact { display: grid; }
}