/* Base */
* { box-sizing: border-box; }
html:focus-within { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  color: #1f2937;
  background: #f7f7fb;
}
a { color: #0f4c81; }
a:focus { outline: 3px solid #ffbf47; outline-offset: 2px; }

.container { max-width: 1100px; padding: 0 1rem; margin: 0 auto; }

.skip-link {
  position: absolute; left: -999px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: static; width: auto; height: auto; padding: .5rem .75rem; background: #0f4c81; color: #fff;
}

/* Header */
.site-header { background: #0f4c81; color: #fff; }
.header-wrap { display: flex; align-items: center; gap: 1rem; padding: .75rem 0; }
.brand { display: grid; grid-template-columns: auto 1fr; gap: 0 .5rem; align-items: center; }
.brand img { border-radius: 999px; border: 2px solid rgba(255,255,255,.7); }
.site-title { font-weight: 700; }
.site-subtitle { font-size: .85rem; opacity: .85; }

.nav { list-style: none; display: flex; gap: 1rem; margin-left: auto; padding: 0; }
.nav a { color: #fff; text-decoration: none; font-weight: 600; }
.nav a:hover, .nav a:focus { text-decoration: underline; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: center; padding: 2rem 0; }
.hero-figure img { width: 100%; height: auto; border-radius: 1rem; box-shadow: 0 10px 22px rgba(0,0,0,.08); }
.hero h1 { margin-top: 0; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.button {
  display: inline-block; padding: .7rem 1rem; border-radius: .75rem;
  background: #0f4c81; color: #fff; text-decoration: none; font-weight: 700;
}
.button-secondary { background: #e5e7eb; color: #0f4c81; }

/* Cards & lists */
.highlights { padding: 1rem 0 2rem; }
.cards { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 0; }
.card { background: #fff; padding: 1rem; border-radius: 1rem; box-shadow: 0 4px 14px rgba(0,0,0,.06); }
.list-check { list-style: none; padding-left: 0; display: grid; gap: .5rem; }
.list-check li { background: #fff; padding: .75rem .9rem; border-left: 4px solid #0f4c81; border-radius: .5rem; 
  box-shadow: 0 2px 8px rgba(0,0,0,.04); }

/* About */
.about-header { display: grid; grid-template-columns: 160px 1fr; gap: 1rem; align-items: center; }
.about-headshot { width: 100%; height: auto; border-radius: 1rem; box-shadow: 0 8px 18px rgba(0,0,0,.08); }
.lede { font-size: 1.05rem; color: #243447; }

.projects { list-style: none; padding-left: 0; display: grid; gap: 1rem; }
.projects > li { background: #fff; padding: 1rem; border-radius: 1rem; box-shadow: 0 4px 12px rgba(0,0,0,.06); }

.bullets { line-height: 1.8; }

/* Contact */
.contact-form { display: grid; gap: .6rem; max-width: 640px; }
.contact-form input, .contact-form textarea, .contact-form button {
  padding: .7rem .8rem; border: 1px solid #cbd5e1; border-radius: .6rem; font: inherit;
}
.contact-form button[disabled] { opacity: .6; cursor: not-allowed; }

/* Footer */
.site-footer { background: #0b3358; color: #cfe2f3; margin-top: 2rem; }
.site-footer a { color: #cfe2f3; }
.site-footer .container { padding: 1rem 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .about-header { grid-template-columns: 1fr; text-align: center; }
  .brand { grid-template-columns: auto; justify-items: center; }
  .nav { flex-wrap: wrap; justify-content: center; }
}
/* Academic accent */
.hero-academic .lede { font-size: 1.05rem; color: #243447; }