@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --ink:#030f0d;
  --paper:#fbfaf8;
  --paper-2:#f2f0ec;
  --line: rgba(3,15,13,0.12);
  --line-soft: rgba(3,15,13,0.07);
  --mut:#5a5f5c;
  --navy:#29429B;
  --amber:#FCB247;
  --coral:#FF6E51;
  --peach:#FFC787;
  --grad: linear-gradient(115deg, var(--coral) 0%, var(--peach) 100%);
  --serif: "Plus Jakarta Sans", ui-sans-serif, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --maxw: 1180px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--serif);
  font-weight:500;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{display:block; max-width:100%;}
a{color:inherit;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}

/* ---------- Nav ---------- */
header.site-nav{
  position:sticky; top:0; z-index:50;
  background:rgba(251,250,248,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px; max-width:var(--maxw); margin:0 auto;
}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none;}
.brand img{height:24px; width:auto;}
.nav-links{display:flex; align-items:center; gap:36px; list-style:none;}
.nav-links a{
  text-decoration:none; font-size:14px; font-weight:600; color:var(--ink);
  opacity:0.72; transition:opacity .15s;
}
.nav-links a:hover{opacity:1;}
.nav-cta{
  font-size:13px; font-weight:700; padding:10px 18px; border-radius:100px;
  background:var(--ink); color:var(--paper); text-decoration:none;
  letter-spacing:.01em;
}
@media (max-width:760px){
  .nav-links{display:none;}
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--mut); display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{
  content:""; width:16px; height:2px; background:var(--grad); display:inline-block;
}

/* ---------- Hero ---------- */
.hero{
  padding:88px 0 64px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:64px; align-items:center;
}
.hero h1{
  font-size:clamp(38px,5.2vw,64px);
  line-height:1.04;
  letter-spacing:-0.02em;
  font-weight:800;
}
.hero h1 .accent{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p.lede{
  margin-top:24px; font-size:18px; line-height:1.6; color:var(--mut); max-width:46ch;
  font-weight:500;
}
.hero-actions{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; font-weight:700; text-decoration:none;
  padding:14px 24px; border-radius:100px;
}
.btn-primary{background:var(--ink); color:var(--paper);}
.btn-ghost{border:1.5px solid var(--line); color:var(--ink);}
.btn-primary:hover{opacity:.88;}
.btn-ghost:hover{border-color:var(--ink);}

.hero-mark{
  position:relative; aspect-ratio:206/290; max-width:280px; margin-left:auto;
}
.hero-mark svg, .hero-mark img{width:100%; height:100%;}
.hero-mark .slash-glow{
  position:absolute; inset:-30%;
  background:radial-gradient(closest-side, rgba(255,110,81,0.16), transparent 70%);
  z-index:-1;
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr; gap:40px;}
  .hero-mark{margin:0 auto; max-width:170px;}
}

/* ---------- Credentials marquee ---------- */
.marquee{
  border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft);
  background:var(--paper-2);
  overflow:hidden; padding:16px 0;
}
.marquee-track{
  display:flex; gap:56px; white-space:nowrap;
  animation:scroll 34s linear infinite;
  width:max-content;
}
.marquee-track span{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.06em;
  color:var(--mut); display:inline-flex; align-items:center; gap:10px;
}
.marquee-track span::before{content:"◆"; color:var(--coral); font-size:8px;}
@keyframes scroll{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
@media (prefers-reduced-motion: reduce){ .marquee-track{animation:none;} }

/* ---------- Section shell ---------- */
section{padding:96px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head h2{
  font-size:clamp(28px,3.4vw,40px); font-weight:800; letter-spacing:-0.015em; line-height:1.1;
}
.section-head p{margin-top:16px; color:var(--mut); font-size:16.5px; line-height:1.6;}

/* ---------- Services ---------- */
.services-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.service-card{
  background:var(--paper); padding:32px 26px; position:relative;
  transition:background .18s;
}
.service-card:hover{background:var(--paper-2);}
.service-code{
  font-family:var(--mono); font-size:12px; letter-spacing:.1em; font-weight:600;
  color:var(--coral); margin-bottom:22px; display:block;
}
.service-card h3{font-size:18px; font-weight:700; margin-bottom:10px; letter-spacing:-0.01em;}
.service-card p{font-size:14px; color:var(--mut); line-height:1.55;}
@media (max-width:900px){ .services-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .services-grid{grid-template-columns:1fr;} }

/* ---------- About / dossier ---------- */
.about{background:var(--ink); color:var(--paper);}
.about .section-head p{color:rgba(251,250,248,0.68);}
.about-grid{display:grid; grid-template-columns:1.2fr 0.8fr; gap:64px;}
.about-body p{color:rgba(251,250,248,0.82); font-size:16px; line-height:1.7; margin-bottom:18px; max-width:56ch;}
.dossier{
  border:1px solid rgba(251,250,248,0.16); border-radius:4px; padding:28px;
  background:rgba(251,250,248,0.03);
}
.dossier-label{
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--peach); margin-bottom:20px; display:block;
}
.dossier dl{display:grid; grid-template-columns:auto 1fr; gap:10px 16px; font-size:13.5px;}
.dossier dt{color:rgba(251,250,248,0.5); font-family:var(--mono); font-size:11.5px; padding-top:2px;}
.dossier dd{color:rgba(251,250,248,0.92); font-weight:500;}
.dossier hr{border:0; border-top:1px solid rgba(251,250,248,0.12); grid-column:1/-1; margin:6px 0;}
@media (max-width:860px){ .about-grid{grid-template-columns:1fr; gap:36px;} }

/* ---------- Contact ---------- */
.contact-band{
  background:var(--grad); padding:80px 0; text-align:center;
}
.contact-band h2{font-size:clamp(28px,4vw,42px); font-weight:800; color:var(--ink); letter-spacing:-0.02em;}
.contact-band p{margin-top:14px; color:rgba(3,15,13,0.72); font-size:16px;}
.contact-band .btn{margin-top:30px; background:var(--ink); color:var(--paper);}

/* ---------- Footer ---------- */
footer{padding:48px 0 40px; border-top:1px solid var(--line-soft);}
.footer-row{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;}
.footer-row img{height:19px;}
.footer-meta{font-size:12.5px; color:var(--mut); line-height:1.7;}
.footer-links{display:flex; gap:22px; list-style:none;}
.footer-links a{font-size:13px; color:var(--mut); text-decoration:none;}
.footer-links a:hover{color:var(--ink);}

/* ---------- Academic page ---------- */
.academic-hero{padding:72px 0 40px; border-bottom:1px solid var(--line-soft);}
.academic-hero .eyebrow{margin-bottom:22px;}
.academic-hero h1{font-size:clamp(32px,4.4vw,50px); font-weight:800; letter-spacing:-0.02em;}
.academic-hero .role{margin-top:14px; font-size:17px; color:var(--mut); max-width:60ch; line-height:1.6;}
.back-link{
  display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:600;
  text-decoration:none; color:var(--mut); margin-bottom:28px;
}
.back-link:hover{color:var(--ink);}
.ac-grid{display:grid; grid-template-columns:0.7fr 1.3fr; gap:56px; padding:64px 0;}
.ac-block{margin-bottom:44px;}
.ac-block h2{
  font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--coral); margin-bottom:18px;
}
.ac-item{padding:14px 0; border-top:1px solid var(--line-soft);}
.ac-item:first-child{border-top:none;}
.ac-item .role{font-weight:700; font-size:15px;}
.ac-item .org{color:var(--mut); font-size:13.5px; margin-top:2px;}
.ac-item .yr{font-family:var(--mono); font-size:11.5px; color:var(--mut); float:right;}
.ac-side{position:sticky; top:100px; align-self:start;}
.ac-side .dossier{background:var(--paper-2); border-color:var(--line);}
.ac-side .dossier-label{color:var(--coral);}
.ac-side dt{color:var(--mut);}
.ac-side dd{color:var(--ink);}
.ac-side .dossier hr{border-top-color:var(--line);}
@media (max-width:900px){
  .ac-grid{grid-template-columns:1fr; gap:0;}
  .ac-side{position:static; margin-bottom:40px;}
}