/* ===== Base ===== */
:root {
  --navy: #0a2240;
  --navy-dark: #071831;
  --gray-bg: #f4f5f7;
  --gray-border: #dfe2e7;
  --text: #1a1a1a;
  --text-muted: #55606b;
  --white: #ffffff;
  --max-width: 1180px;
  --radius: 6px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
}

.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--gray-bg);
}

.section-heading {
  font-size: 2rem;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--navy);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--navy-dark);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* ===== Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(10, 34, 64, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav__brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  gap: 8px;
}

.nav__links a {
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  border-radius: var(--radius);
  transition: color 0.15s ease, background 0.15s ease;
}

.nav__links a:hover {
  color: var(--navy);
  background: var(--gray-bg);
}

.nav__links a.active {
  color: var(--navy);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  display: block;
}

/* ===== Hero ===== */
.hero {
  padding: 88px 0 72px;
  background: var(--gray-bg);
}

.hero--split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-size: 3rem;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(10, 34, 64, 0.15);
}

.hero--simple {
  text-align: left;
}

.hero--simple .hero__title {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

/* ===== Home: feature strip ===== */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature__image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
}

.feature h2 {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.feature p {
  color: var(--text-muted);
  margin-bottom: 22px;
}

/* ===== Cards / grid ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 28px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--navy);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Resume ===== */
.resume-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 18px;
}

.resume-contact a:hover {
  color: var(--navy);
  text-decoration: underline;
}

.entry {
  border-left: 3px solid var(--navy);
  padding-left: 24px;
  margin-bottom: 40px;
}

.entry:last-child {
  margin-bottom: 0;
}

.entry__head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.entry__role {
  font-size: 1.15rem;
  font-weight: 700;
}

.entry__dates {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.entry__org {
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 10px;
}

.entry__summary {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.entry ul {
  padding-left: 4px;
}

.entry li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.entry li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--navy);
  border-radius: 50%;
}

.entry li strong {
  color: var(--text);
}

.skill-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.skill-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--navy);
  border-radius: 50%;
}

.divider-image {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 8px 0 64px;
}

.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 56px;
}

/* ===== Biography ===== */
.placeholder-note {
  background: #fff8e6;
  border: 1px solid #f0d78c;
  color: #6b5a10;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.bio-text p {
  margin-bottom: 18px;
  color: var(--text-muted);
}

.bio-photo {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-card:hover {
  border-color: var(--navy);
  box-shadow: 0 10px 24px rgba(10, 34, 64, 0.08);
}

.contact-card .eyebrow {
  display: block;
  margin-bottom: 10px;
}

.contact-card__value {
  font-size: 1.2rem;
  font-weight: 700;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 0;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 24px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero--split {
    grid-template-columns: 1fr;
  }

  .hero__portrait {
    max-width: 340px;
  }

  .feature {
    grid-template-columns: 1fr;
  }

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

  .two-col {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  .nav__links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-border);
    flex-direction: column;
    padding: 12px 24px 20px;
    gap: 4px;
    display: none;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__title {
    font-size: 2.2rem;
  }

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

  .entry__head {
    flex-direction: column;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }
}