:root{
  --bg:#f5f7fb;
  --text:#0b1220;
  --muted:#5b667a;
  --accent:#1366d6;
  --border:rgba(15,23,42,.12);
  --shadow: 0 18px 45px rgba(15,23,42,.10);
  --radius:22px;
  --max: 900px;
}
*{box-sizing:border-box}
html{color-scheme:light}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 760px at 18% 0%, rgba(19,102,214,.12), transparent 60%),
    radial-gradient(1100px 720px at 92% 8%, rgba(19,102,214,.07), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:var(--accent); text-decoration-thickness: from-font; text-underline-offset:2px}
a:hover{opacity:.92}
img{max-width:100%; height:auto; display:block}
:focus-visible{outline:3px solid rgba(19,102,214,.35); outline-offset:3px}

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(30px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
}

.card{
  width:100%;
  background: rgba(255,255,255,.90);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  overflow:hidden;
}

.grid{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap: 18px;
  padding: clamp(18px, 3vw, 30px);
}

.portrait{
  width: min(380px, 78vw);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 26px;
  border:0;
  box-shadow: 0 16px 36px rgba(15,23,42,.10);
  background: transparent;
}

.kicker{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.72);
  color: var(--muted);
  font-weight: 750;
  font-size: 13px;
  letter-spacing: .2px;
}

h1{
  margin: 2px 0 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: .2px;
}

.sub{  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 58ch;
  padding: 0 6px;
}

.actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  margin-top: 12px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 13px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  text-decoration:none;
  font-weight: 800;
  background: rgba(255,255,255,.78);
  color: var(--text);
  box-shadow: 0 10px 24px rgba(15,23,42,.08);
}
.btn:hover{background: rgba(255,255,255,.98); border-color: rgba(15,23,42,.18)}
.btn:active{transform: translateY(1px)}
.btn.primary{
  background: linear-gradient(135deg, rgba(19,102,214,.95), rgba(19,102,214,.75));
  border-color: rgba(19,102,214,.22);
  color:#fff;
  box-shadow: 0 12px 28px rgba(19,102,214,.16);
}

.mini{
  margin-top: 12px;
  display:grid;
  gap:8px;
  font-size: 14px;
}
.m{color:var(--muted); font-weight: 750}

.note{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.72);
  color: var(--muted);
  font-size: 14px;
  max-width: 62ch;
}

.foot{
  text-align:center;
  color: var(--muted);
  font-size: 13px;
  padding: 14px 0 0;
}

/* Desktop: a bit larger portrait */
@media (min-width: 1100px){
  .portrait{width: 400px}
}

/* Mobile: left aligned like "normal" */
@media (max-width: 820px){
  .grid{align-items:flex-start; text-align:left}
  .portrait{width: min(320px, 86vw)}
  .actions{justify-content:flex-start}
  .sub{padding:0}
  .note{max-width: none}
  .foot{text-align:left}
}

/* Longer bio text */
.bio{
  margin-top: 14px;
  max-width: 70ch;
  color: var(--text);
  font-size: 15px;
}
.bio p{
  margin: 0;
}
.bio p + p{
  margin-top: 12px;
}
@media (min-width: 821px){
  .bio{ text-align:center; }
}
@media (max-width: 820px){
  .bio{ text-align:left; max-width: none; }
}

/* Expandable "more" block */
.more{
  width: 100%;
  max-width: 72ch;
  margin-top: 14px;
}
.more summary{
  cursor:pointer;
  user-select:none;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.74);
  font-weight: 800;
  color: var(--text);
  box-shadow: 0 10px 22px rgba(15,23,42,.06);
}
.more summary::-webkit-details-marker{display:none}
.more summary:after{
  content:"▾";
  font-size: 14px;
  opacity:.75;
}
.more[open] summary:after{content:"▴"}
.more-body{
  margin-top: 12px;
  text-align: left; /* readability */
}
.more-body p{ margin:0; }
.more-body p + p{ margin-top: 12px; }

.callout{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(19,102,214,.20);
  background: rgba(19,102,214,.06);
}
.callout strong{display:block; margin-bottom: 6px}
.callout p{margin:0}

/* Keep the expandable block centered on desktop, but left on mobile */
@media (min-width: 821px){
  .more{ margin-left:auto; margin-right:auto; }
}
@media (max-width: 820px){
  .more{ margin-left:0; margin-right:0; }
  .more summary{ width: 100%; justify-content: space-between; }
}

/* Documents section */
.docs{
  width:100%;
  max-width: 72ch;
  margin-top: 14px;
}
.docs summary{
  cursor:pointer;
  user-select:none;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.74);
  font-weight: 800;
  color: var(--text);
  box-shadow: 0 10px 22px rgba(15,23,42,.06);
}
.docs summary::-webkit-details-marker{display:none}
.docs summary:after{content:"▾"; font-size:14px; opacity:.75}
.docs[open] summary:after{content:"▴"}

.docs-body{ margin-top: 12px; text-align:left; }
.docs-sub{ margin:0 0 12px; color: var(--muted); font-size: 14px; }

.docs-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.doc{
  display:block;
  text-decoration:none;
  color: inherit;
}
.doc img{
  width:100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 22px rgba(15,23,42,.08);
  background:#fff;
}
.doc span{
  display:block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
}
.doc:hover img{ transform: translateY(-1px); transition: transform .15s ease; }
.doc:hover span{ color: var(--text); }

@media (min-width: 821px){
  .docs{ margin-left:auto; margin-right:auto; }
  .docs-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 820px){
  .docs{ margin-left:0; margin-right:0; }
  .docs summary{ width: 100%; justify-content: space-between; }
  .docs-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Lightbox */
.lightbox{
  position: fixed;
  inset: 0;
  display:none;
  z-index: 9999;
}
.lightbox.is-open{ display:block; }
.lightbox-backdrop{
  position:absolute;
  inset:0;
  background: rgba(15,23,42,.72);
}
.lightbox-fig{
  position: relative;
  max-width: min(980px, 92vw);
  max-height: 90vh;
  margin: 5vh auto 0;
  background: #fff;
  border-radius: 18px;
  overflow:hidden;
  box-shadow: 0 22px 60px rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.14);
}
.lightbox-fig img{
  width: 100%;
  height: auto;
  max-height: 72vh;
  object-fit: contain;
  background: #f3f4f6;
}
.lightbox-close{
  position:absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.18);
  background: rgba(255,255,255,.92);
  font-size: 22px;
  font-weight: 900;
  cursor:pointer;
}
#lightbox-cap{
  margin:0;
  padding: 12px 16px 6px;
  color: var(--text);
  font-weight: 800;
}
.lightbox-open{
  display:inline-block;
  margin: 0 16px 14px;
  color: var(--accent);
  font-weight: 800;
}

/* Featured reference */
.featured{
  margin-top: 16px;
  width: 100%;
  max-width: 72ch;
  margin-left: auto;
  margin-right: auto;
  padding: 14px 14px 12px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.72);
}
.featured-head{
  display:flex;
  flex-direction:column;
  gap: 6px;
  align-items:center;
  text-align:center;
  margin-bottom: 12px;
}
.featured-title{
  font-weight: 900;
  letter-spacing: .2px;
  color: var(--text);
  font-size: 16px;
}
.featured-doc img{
  border-radius: 18px;
}
.featured-cap{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align:center;
}

/* Smoother hover */
.doc img{ transition: transform .15s ease; }

@media (max-width: 820px){
  .featured{
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    padding: 12px 12px 10px;
  }
  .featured-head{
    align-items:flex-start;
    text-align:left;
  }
  .featured-cap{ text-align:left; }
}


/* Desktop layout tuning */
@media (min-width: 900px){
  .grid{
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 32px;
  }
  .portrait{
    width: 360px;
    margin-top: 2px;
  }
  .content{
    flex: 1;
    min-width: 0;
  }
  .sub{ padding: 0; }
  .actions{ justify-content: flex-start; }
  .mini{ max-width: none; }
  .note{ max-width: none; }
  .featured{
    margin-left: 0;
    margin-right: 0;
    max-width: 72ch;
  }
  .featured-head{ align-items: flex-start; text-align: left; }
  .featured-cap{ text-align: left; }
}

/* Featured reference image should never "stretch" the page */
.featured-doc{
  display:block;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.featured-doc img{
  width: 100%;
  height: auto;
}
@media (min-width: 900px){
  .featured-doc{
    margin-left: 0;
    margin-right: 0;
  }
}