/* ============================================================
   samahalshrief.com — design system
   Palette: ink navy + warm brass accent on warm off-white
   Type: Newsreader (display serif) + Inter (UI/body), system fallbacks
   ============================================================ */

:root{
  --ink:#141b2e;
  --ink-soft:#3b4763;
  --muted:#6b7590;
  --line:#e4e6ee;
  --paper:#faf9f6;
  --panel:#ffffff;
  --panel-2:#f3f2ee;
  --brass:#a9743b;
  --brass-deep:#8a5c2b;
  --navy:#1c2740;
  --navy-2:#243357;
  --ring:rgba(169,116,59,.35);
  --shadow:0 10px 30px rgba(20,27,46,.08);
  --shadow-lg:0 24px 60px rgba(20,27,46,.14);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:Newsreader,Georgia,"Times New Roman",serif;font-weight:600;line-height:1.15;color:var(--ink);margin:0}
p{margin:0 0 1rem}
a{color:var(--brass-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
::selection{background:var(--ring)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:Inter;font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--brass-deep);margin:0 0 12px}
.section{padding:92px 0;border-top:1px solid var(--line)}
.section h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.01em}
.section .lead{max-width:640px;color:var(--ink-soft);font-size:18px;margin-top:10px}

a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}

.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,249,246,.85);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brandmark{display:flex;align-items:center;gap:12px;font-family:Newsreader;font-weight:600;font-size:19px;color:var(--ink)}
.brandmark:hover{text-decoration:none}
.monogram{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;display:grid;place-items:center;font-family:Newsreader;font-size:16px;letter-spacing:.03em;box-shadow:var(--shadow)}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{font-family:Inter;font-size:15px;font-weight:500;color:var(--ink-soft);padding:9px 13px;border-radius:8px}
.nav-links a:hover{color:var(--ink);background:var(--panel-2);text-decoration:none}
.nav-links a.active{color:var(--ink);background:var(--panel-2)}
.nav-links a.nav-cta{color:#fff;background:var(--ink)}
.nav-links a.nav-cta:hover{background:var(--navy-2)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);width:44px;height:44px;border-radius:10px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.2s}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:Inter;font-weight:600;font-size:15.5px;padding:13px 22px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:.18s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--panel)}
.btn-brass{background:var(--brass);color:#fff}
.btn-brass:hover{background:var(--brass-deep)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--navy),var(--navy-2) 60%,#111a30);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1px,transparent 0);background-size:22px 22px;pointer-events:none}
.hero-inner{position:relative;z-index:1;padding:104px 24px 96px}
.hero .eyebrow{color:#e6c9a3}
.hero h1{color:#fff;font-size:clamp(38px,6.2vw,68px);letter-spacing:-.02em;line-height:1.04}
.hero .role{font-family:Inter;font-weight:500;font-size:clamp(17px,2.4vw,21px);color:#cdd5e6;margin:18px 0 0;max-width:760px}
.hero .statement{font-size:18px;color:#aab4cc;max-width:620px;margin:22px 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-meta div{min-width:120px}
.hero-meta .k{font-family:Newsreader;font-size:22px;color:#fff}
.hero-meta .v{font-family:Inter;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:#93a0bd;margin-top:2px}

/* ---------- Layout grids / cards ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card .ic{width:44px;height:44px;border-radius:11px;background:var(--panel-2);display:grid;place-items:center;margin-bottom:16px;color:var(--brass-deep)}
.card h3{font-size:20px;margin-bottom:8px}
.card p{color:var(--ink-soft);font-size:15.5px;margin:0}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--ink-soft);font-size:14.5px}
.card ul li{margin:5px 0}

.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.about-lead p{font-size:18.5px;color:var(--ink-soft)}
.about-lead p:first-of-type{font-size:21px;color:var(--ink)}
.factbox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.factbox h4{font-family:Inter;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.factbox ul{list-style:none;margin:0 0 18px;padding:0}
.factbox li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-soft)}
.factbox li:last-child{border-bottom:none}
.factbox li b{color:var(--ink);font-weight:600}

.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.chip{font-family:Inter;font-size:13px;font-weight:500;color:var(--ink-soft);background:var(--panel-2);border:1px solid var(--line);padding:6px 12px;border-radius:999px}

/* ---------- Projects ---------- */
.project{display:flex;flex-direction:column;height:100%}
.project .top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.project .num{font-family:Newsreader;font-size:14px;color:var(--brass-deep)}
.project h3{font-size:19px}
.project p{flex:1}
.project .go{font-family:Inter;font-weight:600;font-size:14px;margin-top:12px}

/* ---------- Teaching ---------- */
.course{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 22px;margin-bottom:14px;box-shadow:var(--shadow)}
.course h3{font-size:18px;margin-bottom:3px}
.course .meta{font-family:Inter;font-size:14px;color:var(--muted)}
.course .syl{white-space:nowrap}

/* ---------- News ---------- */
.article{display:grid;grid-template-columns:130px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}
.article:first-of-type{border-top:1px solid var(--line)}
.article .date{font-family:Inter;font-size:13.5px;color:var(--muted);letter-spacing:.02em}
.article h3{font-size:21px;margin-bottom:6px}
.article p{color:var(--ink-soft);margin-bottom:8px}

/* ---------- Contact ---------- */
.contact{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;border-radius:22px;padding:56px;box-shadow:var(--shadow-lg)}
.contact h2{color:#fff}
.contact .lead{color:#c3cbdd}
.contact-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.contact-links a{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;padding:12px 18px;border-radius:11px;font-family:Inter;font-weight:500;font-size:15px}
.contact-links a:hover{background:rgba(255,255,255,.16);text-decoration:none}

/* ---------- Placeholder styling ---------- */
.ph{background:#fff6e6;border:1px dashed #d9a441;color:#8a5c2b;border-radius:6px;padding:0 6px;font-size:.92em;font-style:normal}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-family:Inter;font-size:14px}
.site-footer .row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.site-footer a{color:var(--ink-soft)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- OSG gate ---------- */
.gate{min-height:70vh;display:grid;place-items:center;padding:60px 24px}
.gate-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-lg);text-align:center}
.gate-card .monogram{margin:0 auto 18px;width:48px;height:48px;font-size:20px}
.gate-card h1{font-size:26px;margin-bottom:8px}
.gate-card p{color:var(--ink-soft);font-size:15px}
.gate-form{margin-top:20px;text-align:left}
.gate-form label{font-family:Inter;font-size:13px;font-weight:600;color:var(--ink-soft);display:block;margin-bottom:6px}
.gate-form input{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:16px;background:var(--paper)}
.gate-form input:focus{border-color:var(--brass);outline:none;box-shadow:0 0 0 3px var(--ring)}
.gate-form .btn{width:100%;justify-content:center;margin-top:14px}
.gate-error{color:#b3202e;font-size:14px;min-height:20px;margin:10px 0 0;font-family:Inter}
.hidden{display:none!important}
.osg-body{padding:80px 0}
.osg-body .backlink{font-family:Inter;font-size:14px;font-weight:600}
.resource-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.resource-list a{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 20px;color:var(--ink);box-shadow:var(--shadow)}
.resource-list a:hover{border-color:var(--brass);text-decoration:none;transform:translateY(-2px);transition:.2s}

/* ---------- Photo ---------- */
.photo-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:var(--panel-2);aspect-ratio:4/5;display:grid;place-items:center}
.photo-frame img{width:100%;height:100%;object-fit:cover;display:block}
.photo-ph{color:var(--muted);font-size:13.5px;text-align:center;padding:20px}

/* ---------- Experience / education lists ---------- */
.exp-item{padding:14px 0;border-bottom:1px dashed var(--line)}
.exp-item:last-child{border-bottom:none}
.exp-item .role{font-family:Newsreader;font-size:17px;color:var(--ink);font-weight:600}
.exp-item .org{font-family:Inter;font-size:14px;color:var(--ink-soft)}
.exp-item .when{font-family:Inter;font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* ---------- Talks ---------- */
.talk-list{list-style:none;padding:0;margin:0}
.talk{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.talk .yr{font-family:Inter;color:var(--brass-deep);font-weight:600;font-size:14px}
.talk .venue{color:var(--muted);font-size:13.5px}

/* ---------- Stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:14px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;text-align:center;box-shadow:var(--shadow)}
.stat .n{font-family:Newsreader;font-size:30px;color:var(--brand2)}
.stat .l{font-family:Inter;font-size:12.5px;color:var(--muted);letter-spacing:.03em;text-transform:uppercase;margin-top:4px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}.talk{grid-template-columns:1fr;gap:2px}}

/* ---------- Scroll progress bar ---------- */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--brass),#e6c9a3);z-index:80;transition:width .1s linear}

/* ---------- Header scrolled state ---------- */
.site-header{transition:box-shadow .25s, background .25s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,27,46,.08);background:rgba(250,249,246,.94)}

/* ---------- Availability pill ---------- */
.avail{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);color:#e6f0e6;padding:6px 13px;border-radius:999px;font-family:Inter;font-size:13px;font-weight:500;margin-bottom:20px}
.avail .dot{width:8px;height:8px;border-radius:50%;background:#57d38c;animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(87,211,140,.55)}70%{box-shadow:0 0 0 7px rgba(87,211,140,0)}100%{box-shadow:0 0 0 0 rgba(87,211,140,0)}}
@media (prefers-reduced-motion:reduce){.avail .dot{animation:none}}

/* ---------- Button shine ---------- */
.btn-brass,.btn-primary{position:relative;overflow:hidden}
.btn-brass::after,.btn-primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-20deg);transition:left .6s;pointer-events:none}
.btn-brass:hover::after,.btn-primary:hover::after{left:130%}

/* ---------- Affiliations band ---------- */
.affil{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.affil .wrap{padding:24px;display:flex;align-items:center;gap:14px 26px;flex-wrap:wrap;justify-content:center}
.affil .lbl{font-family:Inter;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.affil .org{font-family:Newsreader;font-size:17px;color:var(--ink-soft);opacity:.85;white-space:nowrap}

/* ---------- Back to top ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;border:none;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--navy-2)}

/* ---------- Article / prose ---------- */
.article-hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0 48px}
.article-hero .eyebrow{color:#e6c9a3}
.article-hero h1{color:#fff;font-size:clamp(28px,4.5vw,44px);letter-spacing:-.01em;max-width:820px}
.article-hero .am, .article-hero .byline{font-family:Inter;font-size:14px;color:#aab4cc;margin-top:14px}
.prose{max-width:720px;margin:0 auto;padding:48px 24px 80px}
.prose p{font-size:18px;color:var(--ink-soft);margin:0 0 1.15em}
.prose h2{font-size:24px;margin:1.6em 0 .4em}
.prose h3{font-size:19px;margin:1.4em 0 .3em;color:var(--brand2)}
.prose ul{padding-left:1.3em;color:var(--ink-soft);font-size:17px}
.prose li{margin:.4em 0}
.prose blockquote{margin:1.4em 0;padding:.6em 1.1em;background:var(--panel-2);border-left:4px solid var(--brass);border-radius:0 8px 8px 0;color:var(--ink)}
.prose .backlink{font-family:Inter;font-weight:600;font-size:14px}
.prose hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.author-card{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-top:36px}
.author-card .mono{width:52px;height:52px;flex:0 0 52px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;display:grid;place-items:center;font-family:Newsreader;font-size:20px}
.author-card h4{font-family:Newsreader;font-size:17px;margin:0}
.author-card p{margin:2px 0 0;font-size:14px;color:var(--muted)}

/* ---------- Newsletter ---------- */
.newsletter{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);margin-top:34px}
.newsletter h3{font-size:20px;margin:0 0 6px}
.newsletter p{color:var(--ink-soft);font-size:15px;margin:0 0 16px}
.newsletter form{display:flex;gap:10px;flex-wrap:wrap}
.newsletter input{flex:1;min-width:220px;padding:13px 15px;border:1px solid var(--line);border-radius:11px;font-size:15px;background:var(--paper)}
.newsletter input:focus{border-color:var(--brass);outline:none;box-shadow:0 0 0 3px var(--ring)}
.newsletter .note{font-size:12.5px;color:var(--muted);margin:10px 0 0}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 18px 22px;box-shadow:var(--shadow-lg);transform:translateY(-140%);transition:transform .25s;height:auto}
  .nav-open .nav-links{transform:none}
  .nav-links a{padding:14px;font-size:16px;border-radius:10px}
  .nav-links a.nav-cta{text-align:center;margin-top:6px}
  .section{padding:64px 0}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .course{grid-template-columns:1fr;align-items:start}
  .article{grid-template-columns:1fr;gap:6px}
  .contact{padding:34px 24px}
  .hero-inner{padding:72px 24px 64px}
}

/* ---------- Print (CV-friendly) ---------- */
@media print{
  .site-header,.nav-toggle,.hero-cta,.contact-links,.site-footer,.nav-links{display:none!important}
  body{background:#fff;color:#000;font-size:12pt}
  .section{padding:18px 0;border-top:1px solid #ccc}
  .card,.course,.factbox{box-shadow:none;border:1px solid #ccc}
  a{color:#000;text-decoration:underline}
  .hero{background:#fff;color:#000}
  .hero h1,.hero .role,.hero .statement{color:#000}
}