/* Screenshot-like light theme, with optional dark mode toggle. */
:root{
  --bg:#111827;
  --surface:#0b1220;
  --card:#0f172a;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --border: rgba(255,255,255,.14);
  --accent:#21a7d0;
  --accent-hover:#21a7d0;
  --accent-ink:#ffffff;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --card:#ffffff;
  --text: rgba(15,23,42,.92);
  --muted: rgba(15,23,42,.62);
  --border: rgba(15,23,42,.12);
  --accent:#21a7d0;
  --accent-hover:#21a7d0;
  --accent-ink:#ffffff;
  --shadow: 0 18px 50px rgba(2,6,23,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
.container{max-width:980px;margin:0 auto;padding:0 18px}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-bottom:1px solid var(--border);
}
.page{
  padding-top: 70px;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 0;position:relative}
.brand{font-weight:800;letter-spacing:.2px;flex-shrink:0;max-width:min(52vw, 260px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-signature{
  font-weight:900;
  letter-spacing:.1px;
  font-family: ui-serif, "Segoe Script", "Bradley Hand", "Comic Sans MS", Georgia, serif;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:40px;
  padding:0;border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  cursor:pointer;
  z-index:120;
}
.nav-toggle__bar{display:block;width:20px;height:2px;margin:0 auto;background:var(--text);border-radius:1px}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.nav-backdrop{
  display:none;
  position:fixed;inset:0;background:rgba(15,23,42,.45);
  z-index:105;
}
.nav-backdrop.is-open{display:block}
.no-scroll{overflow:hidden}

.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a{opacity:.86;font-weight:700;font-size:14px}
.nav a:hover{opacity:1}
.theme-toggle{
  border:1px solid var(--border);
  background: var(--surface);
  width:40px;height:36px;border-radius:10px;
  cursor:pointer;
}
.theme-toggle__icon{
  display:block;width:16px;height:16px;margin:0 auto;
  border-radius:50%;
  background: var(--accent);
}

.hero{padding:72px 0 30px;background:var(--surface)}
.hero--light{border-bottom:1px solid var(--border)}
.hero-kicker{font-size:13px;font-weight:800;color:var(--muted);margin:0 0 10px;text-transform:uppercase;letter-spacing:.04em}
.hero-grid--theme{display:grid;grid-template-columns: 1.05fr 1fr;gap:28px;align-items:center}
.hero-right{display:flex;justify-content:center}
.hero-title{font-size:46px;line-height:1.12;margin:0;letter-spacing:-.3px}
.hero-subtitle{font-weight:900}
.hero-desc{color:var(--muted);font-size:15px;max-width:64ch;margin:14px 0 0}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:8px;font-weight:800;font-size:14px}
.btn-solid{background:var(--accent);color:var(--accent-ink);box-shadow:var(--shadow);transition:filter .15s ease,box-shadow .15s ease}
.btn-solid:hover,.btn-solid:focus-visible{filter:brightness(0.94);box-shadow:0 12px 34px rgba(33,167,208,.22)}
.btn-outline{background:transparent;border:1px solid var(--border)}
.hero-tags{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.tag-pill{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:color-mix(in srgb, var(--surface) 90%, transparent);border:1px solid var(--border);color:var(--muted);font-size:13px}
.avatar-wrap{display:flex;justify-content:center;position:relative;padding:8px}
.avatar-frame{
  position:relative;padding:5px;border-radius:999px;
  background:linear-gradient(142deg,var(--accent) 0%,color-mix(in srgb,var(--accent) 52%,transparent) 38%,rgba(91,134,255,.55) 100%);
  box-shadow:
    0 28px 56px rgba(33,167,208,.22),
    0 14px 32px rgba(15,23,42,.08),
    inset 0 1px 0 rgba(255,255,255,.35);
}
[data-theme="light"] .avatar-frame{
  box-shadow:
    0 32px 64px rgba(33,167,208,.28),
    0 12px 28px rgba(15,23,42,.06),
    inset 0 1px 0 rgba(255,255,255,.5);
}
.avatar-frame::after{
  content:"";
  position:absolute;inset:-18%;
  border-radius:50%;
  background:radial-gradient(ellipse 55% 50% at 50% 42%,rgba(33,167,208,.16),transparent 72%);
  z-index:-1;
  pointer-events:none;
}
.avatar{
  display:block;width:clamp(248px,32vw,296px);height:clamp(248px,32vw,296px);
  border-radius:999px;object-fit:cover;object-position:center 22%;
  border:4px solid var(--surface);background:var(--surface);
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--border) 80%,transparent);
}
.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius:10px;
  padding:16px;
}
.h2{font-size:26px;margin:0}
.h3{font-size:18px;margin:0 0 8px}
.muted{color:var(--muted)}
.section{padding:26px 0 26px}
.section--muted{background: color-mix(in srgb, var(--bg) 88%, var(--surface))}
.exp-location{font-size:13px;margin-top:4px;margin-bottom:2px}
.cert-dates{margin-top:10px;font-size:13px}
.skills-sub{margin:0;font-size:16px;color:var(--muted)}
.skills-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.skills-group-title{font-weight:900;font-size:14px}
.skills-list{margin-top:10px;color:var(--muted)}
.skills-list li{margin-bottom:6px}
@media (max-width: 900px){
  .skills-grid{grid-template-columns:1fr}
}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.link{color:var(--accent);font-weight:900;transition:color .15s ease,filter .15s ease,text-decoration-color .15s ease}
.link:hover,.link:focus-visible{color:var(--accent-hover);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent-hover) 55%, transparent);text-underline-offset:3px}
.grid{display:grid;grid-template-columns:repeat(3, minmax(0, 1fr));gap:14px}
.grid-2{grid-template-columns:repeat(2, minmax(0, 1fr))}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{
  display:inline-flex;
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  font-size:13px;color:var(--muted);
}
.card-actions{display:flex;gap:14px;margin-top:12px}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  padding:3px 10px;border-radius:999px;
  background: rgba(0,0,0,.04);
  border:1px solid var(--border);
  font-weight:900;font-size:12px;
}
.work-list{display:grid;gap:18px}
.work-item{display:grid;grid-template-columns: 220px 1fr;gap:16px;align-items:start}
.work-thumb{height:150px;border-radius:10px;background:linear-gradient(135deg, rgba(33,167,208,.18), rgba(17,24,39,.08));border:1px solid var(--border)}
.work-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-row{display:grid;grid-template-columns: 160px 1fr;gap:14px}
.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.stack-list{display:grid;gap:12px}
.site-footer{border-top:1px solid var(--border);padding:26px 0 30px;background:var(--surface)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-right{display:flex;gap:14px;flex-wrap:wrap}
.footer-right a{opacity:.9}
.footer-right a:hover,.footer-right a:focus-visible{color:var(--accent);opacity:1}

.back-top{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:150;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-weight:800;
  font-size:13px;
  cursor:pointer;
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .2s,visibility .2s,transform .2s;
}
.back-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.back-top:focus{outline:2px solid var(--accent);outline-offset:2px}

@media (max-width: 840px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(300px,85vw);
    margin:0;
    padding:76px 18px 24px;
    flex-direction:column;
    align-items:flex-start;
    flex-wrap:nowrap;
    gap:12px;
    background:var(--surface);
    border-left:1px solid var(--border);
    box-shadow: var(--shadow);
    transform:translateX(100%);
    transition:transform .25s ease;
    z-index:110;
    overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0)}
  .nav .theme-toggle{align-self:flex-start}
}

@media (max-width: 900px){
  .hero-grid--theme{grid-template-columns:1fr}
  .grid,.grid-2{grid-template-columns:1fr}
  .work-item{grid-template-columns:1fr}
  .card-row{grid-template-columns:1fr}
  .hero{padding:54px 0 24px}
  .hero-title{font-size:34px}
  .hero-right{order:-1;margin-bottom:6px}
  .avatar{width:min(276px,78vw);height:min(276px,78vw)}
}

@media (min-width: 901px){
  .hero-right{align-items:center}
}

/* Contact page (info only) */
.contact-section{padding-top:22px;padding-bottom:40px}
.contact-page{max-width:720px;margin:0 auto}
.contact-page__head{margin-bottom:28px}
.contact-page__eyebrow{
  margin:0 0 8px;
  font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
}
.contact-page__title{font-size:34px;line-height:1.15;margin:0;letter-spacing:-.3px}
.contact-page__lede{font-size:16px;line-height:1.55;margin:12px 0 0;max-width:54ch}

.contact-grid{display:grid;gap:12px}
.contact-channel{
  display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:14px;
  border:1px solid var(--border);
  background:var(--card);
  box-shadow:0 1px 0 color-mix(in srgb,var(--surface) 60%,transparent);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  color:inherit;text-decoration:none;
}
.contact-channel:hover,.contact-channel:focus-visible{
  transform:translateY(-2px);
  border-color:color-mix(in srgb,var(--accent) 45%,var(--border));
  box-shadow:0 16px 40px rgba(33,167,208,.14),var(--shadow);
}
.contact-channel:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.contact-channel__icon{
  flex-shrink:0;width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  border-radius:14px;color:var(--accent);
  background:color-mix(in srgb,var(--accent) 14%,transparent);
}
.contact-channel__body{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.contact-channel__label{font-size:12px;font-weight:800;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}
.contact-channel__value{font-size:16px;font-weight:800;line-height:1.35;word-break:break-word}

.contact-channel__chev{
  flex-shrink:0;font-size:18px;font-weight:900;color:var(--muted);opacity:.5;
  transition:transform .18s ease,opacity .18s ease;
}
.contact-channel:hover .contact-channel__chev,.contact-channel:focus-visible .contact-channel__chev{
  opacity:1;transform:translateX(3px);color:var(--accent)
}

.contact-secondary{margin-top:36px;padding-top:28px;border-top:1px solid var(--border)}
.contact-secondary__title{font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 14px}

.contact-links{display:flex;flex-wrap:wrap;gap:10px}
.contact-links .btn{padding:11px 16px;font-size:14px;border-radius:10px}

@media (max-width: 520px){
  .contact-page__title{font-size:28px}
}