:root {
  --ink: #0b2541;
  --navy: #071a32;
  --muted: #4e6274;
  --aqua: #63e0e1;
  --blue: #0e7d9b;
  --pale: #edf6f8;
  --edge: #dbe7ec;
  --paper: #fcfefe;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Inter", system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid #1493ad; outline-offset: 4px; }
.skip { position: absolute; top: 8px; left: 8px; z-index: 2; padding: 12px; background: white; transform: translateY(-150%); }
.skip:focus { transform: none; }
.shell { width: min(1150px, calc(100% - 96px)); margin-inline: auto; }
.top { background: #fff; border-bottom: 1px solid var(--edge); }
.nav { min-height: 84px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: block; width: 158px; height: auto; }
nav { display: flex; flex-wrap: wrap; gap: 29px; align-items: center; font-size: .88rem; font-weight: 650; }
nav a:hover { color: var(--blue); }
.nav-contact { border: 1px solid var(--edge); border-radius: 7px; padding: 10px 14px; }
.hero, .contact { color: white; background: var(--navy); }
.hero { overflow: hidden; background: radial-gradient(ellipse at 78% 70%, #123851, var(--navy) 59%); }
.hero-inner { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; min-height: 550px; position: relative; }
.hero-copy { padding: 76px 0 86px; position: relative; z-index: 1; }
.kicker { color: #b8dbe5; text-transform: uppercase; letter-spacing: .15em; font-size: .74rem; font-weight: 730; display: flex; align-items: center; gap: 10px; margin: 0 0 20px; }
.kicker span { width: 18px; height: 2px; background: var(--aqua); }
.kicker.ink { color: #17637c; }
.kicker.ink span { background: #239ab1; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin: 0; }
h1 { font-size: clamp(3.7rem, 7vw, 7rem); font-weight: 650; line-height: .98; letter-spacing: -.075em; }
h1 span { color: var(--aqua); }
h2 { font-size: clamp(2.2rem, 4.7vw, 4rem); font-weight: 650; line-height: 1.04; letter-spacing: -.055em; }
h3 { font-size: 1.18rem; line-height: 1.25; letter-spacing: -.025em; }
.intro { color: #d0e1eb; max-width: 435px; font-size: 1.13rem; line-height: 1.65; margin: 25px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.button { display: inline-flex; gap: 13px; align-items: center; padding: 13px 17px; border-radius: 7px; border: 1px solid transparent; font-size: .88rem; font-weight: 700; }
.primary { background: var(--aqua); color: var(--navy); }
.primary:hover { background: #98f2f1; }
.outline { border-color: #56788e; }
.outline:hover { border-color: var(--aqua); }
.hero-art { position: relative; width: min(100%, 510px); aspect-ratio: 1; justify-self: end; display: grid; place-items: center; }
.hero-art img { width: 63%; height: auto; position: relative; filter: drop-shadow(0 8px 24px #061324); }
.orbit { position: absolute; width: 87%; height: 65%; transform: rotate(-28deg); border: 1px solid #58d6e14d; border-radius: 50%; }
.orbit-outer { width: 106%; height: 81%; border-color: #58d6e12c; }
.orbit-inner { width: 70%; height: 50%; border-color: #58d6e16e; }
.orbit-accent { width: 98%; height: 71%; border-color: transparent; border-bottom-color: #64e5e5; border-right-color: #64e5e595; }
.orb { position: absolute; right: 9%; top: 20%; width: 9px; height: 9px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 20px var(--aqua); }
.section { padding-block: 84px; }
.specialties { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.specialties article { padding: 24px 20px; border: 1px solid var(--edge); border-radius: 10px; background: white; }
.line { display: block; width: 24px; height: 3px; margin-bottom: 22px; border-radius: 5px; background: #269db3; }
.specialties p, .muted, .topics p { color: var(--muted); line-height: 1.65; }
.specialties p { font-size: .93rem; margin: 12px 0 0; }
.profile { background: var(--pale); }
.profile-inner, .education, .contact-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 35px; }
.profile-inner { padding-block: 70px; }
.place { font-weight: 650; margin: 15px 0 0; }
.bio { font-size: 1.07rem; line-height: 1.7; }
.bio p { margin: 0 0 15px; }
.bio p:last-child { margin-bottom: 0; }
.topics { border-top: 1px solid var(--edge); }
details { border-bottom: 1px solid var(--edge); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 17px 0; font-weight: 680; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--blue); font-size: 1.35rem; line-height: 1; }
details[open] summary::after { content: "−"; }
.topics p { margin: 0 0 17px; }
.contact-inner { align-items: center; padding-block: 60px; }
.contact-inner p:last-child { color: #d0e1eb; line-height: 1.6; }
.footer { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; padding-block: 24px; color: var(--muted); font-size: .86rem; }
.footer .brand { width: 125px; }
@media (max-width: 920px) {
  .specialties { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shell { width: calc(100% - 56px); }
  .hero-inner { min-height: 465px; }
}
@media (max-width: 660px) {
  .shell { width: calc(100% - 36px); }
  .nav { align-items: flex-start; flex-direction: column; gap: 13px; padding-block: 15px; }
  nav { gap: 10px 17px; font-size: .82rem; }
  .nav-contact { padding: 5px 8px; }
  .hero-inner, .profile-inner, .education, .contact-inner { grid-template-columns: 1fr; gap: 14px; }
  .hero-copy { padding: 54px 0 0; }
  .hero-art { width: min(82%, 310px); justify-self: center; }
  .section, .profile-inner, .contact-inner { padding-block: 52px; }
  .specialties { gap: 9px; }
  .specialties article { padding: 17px 13px; }
  h3 { font-size: 1.05rem; }
}
@media (max-width: 360px) {
  h1 { font-size: 3.15rem; }
  .specialties { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }