:root{
  --bg: #0f1115;
  --card: #151922;
  --text: #e8ecf1;
  --muted: #a9b3c5;
  --brand: #e65a3c;
  --brand2: #ffb36b;
  --max: 1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif; line-height:1.6}
img{max-width:100%;display:block;height:auto;border-radius:14px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:900px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,17,21,.7);backdrop-filter: blur(10px);border-bottom:1px solid #232838}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand{display:flex;gap:12px;align-items:center;font-weight:700;font-size:1.1rem}
.brand .logo{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white}
.nav a{margin-left:16px;color:var(--text);opacity:.9}
.nav a:hover{opacity:1}
.hero{padding:48px 0;background: radial-gradient(1200px 400px at 20% -10%, rgba(230,90,60,.35), transparent 60%), radial-gradient(900px 300px at 80% 0%, rgba(255,179,107,.25), transparent 60%)}
.hero .container{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:center}
.hero h1{font-size:clamp(2rem,6vw,3.2rem);line-height:1.1;margin:0 0 8px}
.lead{font-size:1.1rem;color:var(--muted);max-width:65ch}
.cta-row{margin:18px 0 10px;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;background:var(--brand);color:white;border-radius:12px;border:0;font-weight:700;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn-outline{background:transparent;border:1px solid #2a3142;color:var(--text)}
.links{margin-top:6px;color:var(--muted)}
.section{padding:56px 0}
.section.alt{background:linear-gradient(180deg,#121622,#0f1115)}
.intro{color:var(--muted)}
.bio summary{cursor:pointer;font-weight:700;margin:8px 0 18px}
.bio .bio-block{background:var(--card);padding:22px;border-radius:16px;border:1px solid #232838}
.book-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;list-style:none;padding:0;margin:22px 0}
.book-grid li{background:var(--card);border:1px solid #232838;padding:14px;border-radius:12px}
.book{font-weight:700}
.note{color:var(--muted)}
.grid.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.8);display:grid;place-items:center;padding:24px;z-index:100}
.lightbox img{max-height:90vh;border-radius:16px}
.lightbox button{position:fixed;top:16px;right:16px;font-size:34px;background:transparent;border:0;color:white;cursor:pointer}
.contact-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;align-items:start}
.contact-card{background:var(--card);border:1px solid #232838;padding:18px;border-radius:14px}
.contact-form label{display:block;margin-bottom:14px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #2a3142;background:#0c0f16;color:var(--text)}
.contact-form .form-note{font-size:.9rem;color:var(--muted)}
.site-footer{border-top:1px solid #232838;background:#0c0f16}
.site-footer .container{padding:24px 20px;text-align:center}
.small{color:var(--muted);font-size:.95rem}
@media (prefers-color-scheme: light){
  :root{--bg:#fafbff; --card:#ffffff; --text:#12131a; --muted:#5b6478}
  .site-header{background:rgba(255,255,255,.75);}
  .section.alt{background:#f2f6ff}
  .contact-form input,.contact-form textarea{background:#f9fbff;color:#12131a}
}