/* ===========================================================
   Design tokens — dark "Full-Bleed Specimen" theme
   =========================================================== */
:root{
  --bg:         #0A0B09;   /* near-black background */
  --bg-raised:  rgba(245,242,233,0.02);
  --ink:        #F5F2E9;   /* warm off-white */
  --ink-soft:   #B3B9A9;   /* muted sage-grey for body copy */
  --line:       rgba(245,242,233,0.14);
  --line-soft:  rgba(245,242,233,0.08);
  --accent:     #D6F24C;   /* lime */
  --accent-dim: rgba(214,242,76,0.08);

  --display: "Fraunces", Georgia, serif;
  --body:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  --max: 1260px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--accent); text-decoration-thickness:1px; text-underline-offset:3px; }
a:hover{ color:var(--ink); }
h1,h2,h3{ font-family:var(--display); font-weight:600; margin:0; color:var(--ink); }
ul,ol{ margin:0; padding:0; list-style:none; }
p{ margin:0 0 1em; }
.mono{ font-family:var(--mono); }

/* ===========================================================
   Nav
   =========================================================== */
.site-nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 40px;
  background:rgba(10,11,9,0.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-mark{
  font-family:var(--display); font-weight:700; font-size:1.15rem;
  color:var(--ink); text-decoration:none;
  border:1.5px solid var(--line); border-radius:50%;
  width:40px; height:40px; display:flex; align-items:center; justify-content:center;
}
.nav-mark:hover{ color:var(--accent); border-color:var(--accent); }
.site-nav nav{ display:flex; gap:30px; }
.site-nav nav a{
  color:var(--ink); text-decoration:none; font-size:0.92rem; font-weight:500;
  letter-spacing:0.01em; opacity:0.85;
  border-bottom:1px solid transparent; padding-bottom:3px;
}
.site-nav nav a:hover{ opacity:1; color:var(--ink); }
.site-nav nav a.active{ opacity:1; color:var(--accent); border-bottom-color:var(--accent); }
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--ink); }

/* ===========================================================
   Home hero
   =========================================================== */
.hero{
  position:relative; display:grid; grid-template-columns:1fr 44vw;
  align-items:stretch;
}
.hero-copy{
  position:relative; z-index:2; display:flex; flex-direction:column; justify-content:center;
  padding:64px 48px 56px; max-width:760px;
}
.eyebrow{
  font-family:var(--mono); font-size:0.85rem; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--accent); margin:0 0 24px; display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:9px; height:9px; border-radius:50%; background:var(--accent); box-shadow:0 0 14px var(--accent); }
.hero h1{ font-weight:800; font-size:clamp(3.4rem,6.6vw,6.8rem); line-height:0.94; letter-spacing:-0.025em; margin:0 0 26px; }
.hero h1 .accent-word{ color:var(--accent); }
.hero-role{ font-size:1.4rem; color:var(--ink-soft); font-weight:500; margin:0 0 20px; max-width:42ch; line-height:1.4; }
.hero-tag{ font-size:1.08rem; color:var(--ink-soft); max-width:48ch; margin:0 0 34px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--body); font-weight:700; font-size:0.96rem;
  padding:15px 28px; border-radius:2px; text-decoration:none; border:1.5px solid var(--line);
  transition:transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary{ background:var(--accent); color:#0A0B09; border-color:var(--accent); }
.btn-primary:hover{ background:var(--ink); border-color:var(--ink); color:#0A0B09; transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--ink); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-1px); }

/* Full, uncropped photo panel — container aspect-ratio matches the photo's
   natural ratio, so cover/contain are identical: nothing cropped, no letterbox. */
.hero-photo{
  position:relative; background:#000; align-self:center;
  aspect-ratio: 3043 / 2592; width:100%;
}
.hero-photo img{ width:100%; height:100%; object-fit:cover; object-position:center; display:block; }
.photo-tag{
  position:absolute; bottom:18px; left:22px; right:22px; z-index:2;
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--mono); font-size:0.75rem; color:var(--ink-soft); letter-spacing:0.04em;
}
.photo-tag .dot{ color:var(--accent); }

/* ===========================================================
   Sections (generic)
   =========================================================== */
.section{ position:relative; z-index:2; padding:100px 40px; max-width:var(--max); margin:0 auto; }
.section-head{ display:flex; align-items:baseline; gap:16px; margin-bottom:46px; }
.section-num{ font-family:var(--mono); color:var(--accent); font-size:0.92rem; }
.section-head h2{ font-size:2.6rem; }

/* Home: Personal / About */
.personal-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:64px; align-items:start; }
.personal-copy .lede{
  font-size:1.4rem; line-height:1.5; color:var(--ink); max-width:56ch;
  font-family:var(--display); font-weight:500;
}
.personal-copy .body-copy{ font-size:1.05rem; color:var(--ink-soft); max-width:58ch; }
.quote{
  margin-top:30px; padding:24px 28px; border-left:3px solid var(--accent);
  background:var(--accent-dim); font-family:var(--display); font-style:italic;
  font-weight:500; font-size:1.18rem; line-height:1.55; color:var(--ink); max-width:58ch;
}
.facts{ border:1px solid var(--line); border-radius:4px; padding:32px; background:var(--bg-raised); }
.facts div{ display:flex; flex-direction:column; padding:16px 0; border-bottom:1px solid var(--line); }
.facts div:last-child{ border-bottom:none; }
.facts dt{ font-family:var(--mono); font-size:0.74rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--accent); }
.facts dd{ margin:7px 0 0; font-size:1.05rem; }

/* Teaser cards linking to Professional / Community / Blogs */
.teaser-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px; margin-top:72px;
  background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden;
}
.teaser-card{
  background:var(--bg); padding:40px 32px; text-decoration:none; color:var(--ink);
  transition:background 0.15s ease; position:relative;
}
.teaser-card:hover{ background:var(--accent-dim); }
.teaser-card .teaser-num{ font-family:var(--mono); font-size:0.78rem; color:var(--accent); }
.teaser-card h3{ font-size:1.45rem; margin:16px 0 10px; }
.teaser-card p{ font-size:0.95rem; color:var(--ink-soft); margin-bottom:0; }
.teaser-card .arrow{
  position:absolute; top:38px; right:30px; color:var(--accent); font-size:1.15rem;
  opacity:0; transition:opacity 0.15s ease, transform 0.15s ease; transform:translate(-4px,4px);
}
.teaser-card:hover .arrow{ opacity:1; transform:translate(0,0); }

/* ===========================================================
   Page header (Professional / Community / Blogs top banner)
   =========================================================== */
.page-header{ position:relative; z-index:2; max-width:var(--max); margin:0 auto; padding:72px 40px 20px; }
.page-header h1{ font-weight:700; font-size:clamp(2.8rem,5.6vw,4.6rem); line-height:0.98; letter-spacing:-0.02em; margin:0 0 18px; }
.page-lede{ font-size:1.15rem; color:var(--ink-soft); max-width:62ch; margin:0; }

/* Professional page header variant — copy + full, uncropped photo panel */
.professional-header{ display:grid; grid-template-columns:1.25fr 1fr; gap:56px; align-items:center; padding-bottom:56px; }
.professional-header-copy{ max-width:640px; }
.professional-header .hero-specimen{ align-self:stretch; }
.professional-photo{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:4px; display:block; }
@media (max-width:900px){ .professional-header{ grid-template-columns:1fr; } }

/* ===========================================================
   Sub-section dividers
   =========================================================== */
.sub-head{
  font-family:var(--mono); font-weight:600; font-size:0.84rem; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--accent); margin:64px 0 26px; padding-top:30px; border-top:1px solid var(--line);
}

/* ===========================================================
   Timeline / specimen rows (education, career, awards)
   =========================================================== */
.timeline{ display:flex; flex-direction:column; }
.timeline .specimen{
  position:relative; display:grid; grid-template-columns:160px 1fr; gap:26px;
  padding:26px 0; border-bottom:1px solid var(--line);
}
.timeline .specimen::before{
  content:attr(data-year); font-family:var(--mono); font-size:0.82rem; color:var(--accent);
  align-self:start; padding-top:4px;
}
.specimen-pin{ display:none; }
.specimen-title{ font-family:var(--display); font-weight:600; font-size:1.18rem; margin:0 0 6px; color:var(--ink); }
.specimen-meta{ font-size:0.82rem; color:var(--ink-soft); margin:0 0 12px; letter-spacing:0.01em; }
.specimen-body p:last-child{ margin-bottom:0; color:var(--ink-soft); font-size:0.98rem; }
.timeline .specimen:hover .specimen-title{ color:var(--accent); }

/* Community grid uses card-style specimens */
.community-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.community-grid .specimen{
  grid-template-columns:1fr; border:1px solid var(--line); border-top:2px solid var(--accent);
  border-radius:2px; padding:28px 26px 24px; background:var(--bg-raised); position:relative;
  transition:border-color 0.15s ease, transform 0.15s ease;
}
.community-grid .specimen:hover{ border-color:var(--line); border-top-color:var(--accent); transform:translateY(-2px); }

/* Publications */
.pub-note{ font-size:0.86rem; color:var(--ink-soft); margin-bottom:26px; }
.pub-list{ display:flex; flex-direction:column; }
.pub-list li{ display:grid; grid-template-columns:76px 1fr; gap:22px; padding:20px 0; border-bottom:1px solid var(--line); }
.pub-year{ color:var(--accent); font-size:0.85rem; padding-top:2px; }
.pub-title{ font-family:var(--display); font-weight:500; font-size:1.04rem; margin-bottom:6px; color:var(--ink); }
.pub-meta{ font-size:0.88rem; color:var(--ink-soft); margin-bottom:0; }
.pub-cta{ margin-top:26px; font-family:var(--mono); font-size:0.9rem; }

/* Tag cloud */
.tag-cloud{ display:flex; flex-wrap:wrap; gap:10px; }
.tag-cloud li{
  font-family:var(--mono); font-size:0.82rem; padding:8px 16px; border:1px solid var(--line);
  border-radius:20px; background:var(--bg-raised); color:var(--ink-soft);
}

/* ===========================================================
   Blogs — Option A editorial list
   =========================================================== */
.blog-filter{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:10px; }
.blog-filter button{
  font-family:var(--mono); font-size:0.8rem; padding:9px 18px; border-radius:30px;
  border:1px solid var(--line); background:transparent; color:var(--ink-soft); cursor:pointer;
}
.blog-filter button.active{ background:var(--accent); color:#0A0B09; border-color:var(--accent); font-weight:600; }

.blog-list{ margin-top:34px; border-top:1px solid var(--line); }
.blog-row{
  display:grid; grid-template-columns:140px 1fr 160px; gap:32px; align-items:baseline;
  padding:32px 0; border-bottom:1px solid var(--line); text-decoration:none; color:var(--ink);
  transition:padding-left 0.15s ease;
}
.blog-row:hover{ padding-left:12px; }
.blog-row .row-date{ font-family:var(--mono); font-size:0.82rem; color:var(--ink-soft); }
.blog-row .row-main h3{ font-family:var(--display); font-weight:600; font-size:1.55rem; margin:0 0 10px; line-height:1.25; }
.blog-row:hover .row-main h3{ color:var(--accent); }
.blog-row .row-main p{ font-size:0.96rem; color:var(--ink-soft); margin:0; max-width:62ch; }
.blog-row .row-meta{ text-align:right; }
.blog-row .row-kind{ font-family:var(--mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:0.07em; color:var(--accent); display:block; margin-bottom:6px; }
.blog-row .row-source{ font-size:0.85rem; color:var(--ink-soft); }
.blog-empty{ font-family:var(--mono); font-size:0.9rem; color:var(--ink-soft); padding:32px 0; }

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{ position:relative; z-index:2; border-top:1px solid var(--line); padding:110px 40px 40px; }
.footer-inner{
  max-width:var(--max); margin:0 auto;
  display:grid; grid-template-columns:1.3fr 1fr; gap:40px; align-items:end;
  padding-bottom:48px; border-bottom:1px solid var(--line);
}
.footer-copy .eyebrow{ color:var(--accent); }
.footer-copy h2{ font-size:clamp(2rem,4vw,2.8rem); margin:16px 0 32px; line-height:1.2; }
.footer-copy .btn-primary{ background:var(--accent); color:#0A0B09; border-color:var(--accent); }
.footer-copy .btn-primary:hover{ background:var(--ink); border-color:var(--ink); }
.footer-links{ display:flex; flex-direction:column; gap:13px; align-items:flex-start; }
.footer-links a{ color:var(--ink); opacity:0.75; text-decoration:none; font-size:0.96rem; }
.footer-links a:hover{ opacity:1; color:var(--accent); }
.footer-fine{ max-width:var(--max); margin:24px auto 0; font-size:0.8rem; color:var(--ink-soft); opacity:0.7; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 980px){
  .hero{ grid-template-columns:1fr; }
  .hero-photo{ height:60vh; }
}
@media (max-width: 860px){
  .personal-grid{ grid-template-columns:1fr; }
  .community-grid{ grid-template-columns:1fr; }
  .teaser-grid{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr; align-items:start; }
  .site-nav nav{
    position:absolute; top:100%; left:0; right:0; background:var(--bg);
    flex-direction:column; padding:16px 40px 24px; border-bottom:1px solid var(--line);
    display:none;
  }
  .site-nav nav.open{ display:flex; }
  .nav-toggle{ display:flex; }
  .timeline .specimen{ grid-template-columns:1fr; }
  .timeline .specimen::before{ padding-top:0; margin-bottom:6px; }
  .pub-list li{ grid-template-columns:1fr; }
  .pub-year{ padding-top:0; }
  .blog-row{ grid-template-columns:1fr; gap:10px; }
  .blog-row .row-meta{ text-align:left; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn,.teaser-card,.community-grid .specimen,.blog-row{ transition:none; }
}