/* MSSFN – Middle-Eastern Society for Stereotactic and Functional Neurosurgery
   Design: precise, clinical, calm. Palette taken from the society logo. */
:root{
  --ink:#0E1E36;
  --navy:#213F73;
  --teal:#1C9A97;
  --teal-dark:#147A78;
  --teal-soft:#E4F4F3;
  --mist:#F3F6F8;
  --line:#DCE3E8;
  --muted:#5B6B7C;
  --white:#fff;
  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --sans:"Public Sans", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --wrap:1200px;
  --r-sm:6px; --r:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-underline-offset:3px}
a:hover{color:var(--teal-dark)}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:10px;top:10px}
.hp{position:absolute;left:-5000px}

h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.15;margin:0 0 .45em;color:var(--ink);letter-spacing:-.005em}
h1{font-size:clamp(38px,5vw,60px)}
h2{font-size:clamp(28px,3vw,38px)}
h3{font-size:22px}
.lead{font-size:clamp(18px,1.6vw,21px);color:var(--muted);line-height:1.55;max-width:62ch;margin:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand img{width:52px;height:52px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:19px;letter-spacing:.04em;color:var(--navy)}
.brand-text span{font-size:12px;color:var(--muted);max-width:240px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:block;font-size:15px;font-weight:500;text-decoration:none;color:var(--ink);padding:9px 13px;border-radius:var(--r-sm)}
.nav a:hover{background:var(--mist);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--teal-soft);color:var(--teal-dark);font-weight:600}
.nav-toggle{display:none;align-items:center;gap:10px;background:none;border:1px solid var(--line);border-radius:var(--r-sm);font:600 15px var(--sans);padding:10px 14px;color:var(--ink);cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:18px;height:2px;background:currentColor;position:relative}
.bars::before,.bars::after{content:"";position:absolute;left:0}
.bars::before{top:-6px}.bars::after{top:6px}

/* ---------- Buttons & links ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;font:600 16px var(--sans);padding:14px 26px;border-radius:999px;border:1.5px solid transparent;text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dark);color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-red{background:var(--teal);color:#fff}
.btn-red:hover{background:var(--teal-dark);color:#fff}
.text-link{font-weight:600;color:var(--navy);text-decoration:underline;text-decoration-color:var(--teal);text-decoration-thickness:2px}

/* ---------- Layout helpers ---------- */
.section{padding:72px 0}
.tint{background:var(--mist)}
.page-head{background:linear-gradient(180deg,var(--mist),#fff);padding:64px 0 40px;border-bottom:1px solid var(--line)}
.page-head h1{margin-bottom:.3em}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{margin:0}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card h2{font-size:22px}
.card p{margin:0}

/* ---------- Home: hero ---------- */
.hero{padding:70px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.8fr);gap:56px;align-items:center}
.auspices{font-size:15px;color:var(--teal-dark);font-weight:600;margin:0 0 22px;max-width:46ch}
.hero h1{font-size:clamp(40px,5vw,66px);line-height:1.04;margin-bottom:24px}
.hero-lead{font-size:clamp(18px,1.7vw,22px);color:var(--muted);max-width:52ch;margin:0 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-mark{position:relative;aspect-ratio:1;max-width:440px;width:100%;justify-self:center}
.frame{width:100%;height:100%}
.frame .ticks line{stroke:var(--navy);stroke-width:1.2;opacity:.45}
.frame .ring{fill:none;stroke:var(--line);stroke-width:1.5}
.frame .ring.thin{stroke-dasharray:2 6;stroke:var(--teal)}
.frame .axis{stroke:var(--teal);stroke-width:1.5}
.frame .lbl{font:600 13px var(--sans);fill:var(--muted)}
.frame .target{fill:var(--teal)}
.frame .target-ring{fill:none;stroke:var(--teal);stroke-width:1.5}
.frame .ticks{transform-origin:200px 200px;animation:dial 1.6s cubic-bezier(.2,.7,.2,1) both}
@keyframes dial{from{transform:rotate(-40deg);opacity:0}to{transform:rotate(0);opacity:1}}
.hero-logo{position:absolute;width:44%;left:28%;top:28%}

/* ---------- Home: facts ---------- */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.facts-grid div{padding:30px 24px;border-left:1px solid var(--line)}
.facts-grid div:first-child{border-left:0;padding-left:0}
.facts strong{display:block;font-family:var(--serif);font-weight:500;font-size:44px;line-height:1;color:var(--navy);margin-bottom:8px}
.facts span{font-size:15px;color:var(--muted)}

/* ---------- Home: president ---------- */
.president-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:center}
.president-photo{margin:0}
.president-photo img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
blockquote{margin:0 0 22px;padding-left:24px;border-left:3px solid var(--teal)}
blockquote p{font-family:var(--serif);font-size:clamp(20px,2vw,25px);line-height:1.5;margin:0;max-width:60ch}
.sig{font-size:15px;color:var(--muted);margin:0 0 18px}
.sig strong{color:var(--ink);font-size:17px}

/* ---------- Home: recent / membership / newsletter ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.mini-ev{display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.mini-ev h3{font-size:18px;line-height:1.3;margin-bottom:6px}
.mini-thumb img{width:96px;aspect-ratio:3/4;object-fit:cover;object-position:top;border-radius:var(--r-sm);background:var(--mist)}
.member-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.member-grid .lead{margin-bottom:26px}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.checklist li{background:var(--mist);border-radius:var(--r);padding:18px 20px 18px 56px;position:relative;font-weight:500}
.checklist li::before{content:"";position:absolute;left:20px;top:50%;width:20px;height:20px;margin-top:-10px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.2'/%3E%3C/svg%3E") center/14px no-repeat}
.news-teaser{background:var(--teal-soft)}
.news-teaser p{max-width:60ch}
.teaser-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:center}
.teaser-thumb img{border-radius:var(--r-sm)}

/* ---------- Thumbnails ---------- */
.thumb,.ev-thumb,.mini-thumb,.teaser-thumb,.page-thumb,.flyer-link{display:block;cursor:zoom-in}
.ev-thumb img,.page-thumb img,.flyer-link img{transition:transform .25s}
.ev-thumb:hover img,.page-thumb:hover img,.flyer-link:hover img{transform:scale(1.03)}

/* ---------- Welcome ---------- */
.welcome-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:start}
.prose{font-family:var(--serif);font-size:20px;line-height:1.75;max-width:68ch}
.prose p{margin:0 0 1.2em}
.prose p:nth-child(2){font-size:23px;line-height:1.6}
.signature{font-family:var(--sans);font-size:15px;line-height:1.6;color:var(--muted);border-top:1px solid var(--line);padding-top:22px;margin-top:2em}
.signature strong{color:var(--ink);font-size:18px}
.portrait{position:sticky;top:110px;margin:0}
.portrait img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover}
.portrait figcaption{font-size:14px;color:var(--muted);margin-top:10px}

/* ---------- Board ---------- */
.officers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:64px}
.officer{border:1px solid var(--line);border-radius:var(--r);padding:24px}
.officer.is-president{background:var(--ink);border-color:var(--ink)}
.officer.is-president .role-name{color:#7FD3D0}
.officer.is-president .person,.officer.is-president .person a{color:#fff}
.officer.is-president .ct{color:#C9D3DE}
.role-name{font-size:14px;font-weight:600;color:var(--teal-dark);margin:0 0 10px}
.person{font-family:var(--serif);font-size:26px;line-height:1.2;margin:0 0 4px}
.person a{text-decoration:none;color:inherit}
.ct{font-size:14px;color:var(--muted);margin:0}
.people-block{margin-bottom:56px}
.people{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));border-top:1px solid var(--line)}
.people li{display:flex;flex-direction:column;padding:16px 16px 16px 0;border-bottom:1px solid var(--line)}
.people .nm{font-weight:600}

/* ---------- Event pages (future / live surgery) ---------- */
.event-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:64px;align-items:start}
.sans-prose{max-width:72ch}
.sans-prose h1{font-size:clamp(34px,4vw,50px)}
.sans-prose h2{font-size:26px;margin:1.8em 0 .6em}
.sans-prose p{margin:0 0 1.1em}
.flyer{position:sticky;top:110px;margin:0}
.flyer img{border-radius:var(--r-sm);border:1px solid var(--line);box-shadow:0 18px 40px -24px rgba(14,30,54,.45)}
.flyer figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.rule{border:0;border-top:1px solid var(--line);margin:28px 0}
.program{border-collapse:collapse;width:100%;margin:6px 0 16px;font-size:16px}
.program td{padding:14px 12px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.program td:first-child{white-space:nowrap;font-weight:700;color:var(--teal-dark);width:140px}
.arrow-list{list-style:none;padding:0;margin:0 0 1em}
.arrow-list li{padding:8px 0 8px 26px;position:relative;border-bottom:1px solid var(--line)}
.arrow-list li::before{content:"";position:absolute;left:0;top:18px;width:10px;height:10px;border-radius:50%;border:2px solid var(--teal)}
.faculty{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faculty li{background:var(--mist);border-radius:var(--r);padding:16px 18px;font-size:15px}
.faculty strong{display:block;font-size:13px;color:var(--teal-dark);margin-bottom:4px}

/* ---------- Forms ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;margin-top:20px;background:var(--mist);padding:28px;border-radius:var(--r)}
.form .full{grid-column:1/-1}
.form label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:16px var(--sans);padding:13px 14px;border:1px solid #C3CDD6;border-radius:var(--r-sm);background:#fff;color:var(--ink)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:15px}
.form .check input{width:auto;margin-top:5px}
.form-status{padding:16px 20px;margin:0 0 20px;font-weight:600;border-radius:var(--r-sm)}
.form-status.ok{background:#E3F4EA;color:#1D6B43}
.form-status.err{background:#FDECEA;color:#9B2C24}

/* ---------- Past meetings ---------- */
.year-bar{position:sticky;top:84px;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.year-jump{display:flex;gap:6px;overflow-x:auto;padding-top:12px;padding-bottom:12px}
.year-jump a{flex:none;font-weight:600;font-size:15px;text-decoration:none;padding:7px 16px;border-radius:999px;color:var(--ink);background:var(--mist)}
.year-jump a:hover{background:var(--teal-soft);color:var(--teal-dark)}
.past{padding-top:40px}
.year{padding:24px 0 40px}
.year-head{display:flex;align-items:baseline;gap:16px;margin-bottom:22px;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.year-head h2{font-size:44px;margin:0;color:var(--navy)}
.year-head span{font-size:14px;color:var(--muted)}
.ev-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.ev{display:grid;grid-template-columns:132px minmax(0,1fr);gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:border-color .2s}
.ev:hover{border-color:#B9C7D3}
.ev-thumb{overflow:hidden;border-radius:var(--r-sm);background:var(--mist);align-self:start}
.ev-thumb img{width:132px;aspect-ratio:3/4;object-fit:contain;background:var(--mist)}
.ev-date{font-size:14px;font-weight:700;color:var(--teal-dark);margin:0 0 6px}
.ev h3{font-size:21px;line-height:1.25;margin-bottom:6px}
.ev-place{font-size:14px;color:var(--muted);margin:0 0 10px}
.ev-text{font-size:15px;line-height:1.6;margin:0 0 12px}
.ev-by{font-size:13px;font-weight:600;color:var(--navy);margin:0}
.ev-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px;font-size:14px;font-weight:600}
.ev-actions:empty{display:none}
.ev-more{cursor:zoom-in}

/* ---------- Newsletter ---------- */
.issue{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:start}
.issue h2{font-size:clamp(28px,3vw,38px)}
.issue .lead{margin-bottom:18px}
.issue-pages{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.issue-pages figure{margin:0}
.page-thumb{overflow:hidden;border-radius:var(--r-sm);border:1px solid var(--line)}
.issue-pages figcaption{font-size:14px;color:var(--muted);margin-top:8px}

/* ---------- Contact / FAQ ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{font-family:var(--serif);font-size:23px;cursor:pointer;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--teal-soft);color:var(--teal-dark);font:600 20px/30px var(--sans);text-align:center;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--muted);max-width:70ch}

/* ---------- Lightbox ---------- */
.lightbox{border:0;padding:0;background:transparent;max-width:min(92vw,900px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(14,30,54,.88)}
.lightbox img{max-height:84vh;width:auto;margin:0 auto;background:#fff;border-radius:var(--r-sm)}
.lightbox p{color:#fff;text-align:center;margin:10px 0 0;font-size:15px}
.lb-close{position:fixed;top:18px;right:22px;background:#fff;border:0;border-radius:999px;font:600 14px var(--sans);padding:10px 18px;cursor:pointer}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9D3DE;padding:72px 0 32px}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:44px}
.site-footer h2{font-family:var(--sans);font-size:15px;font-weight:700;color:#fff;margin:0 0 14px}
.site-footer p{margin:0 0 12px;font-size:15px;line-height:1.65}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:#7FD3D0}
.site-footer .u{text-decoration:underline;text-decoration-color:var(--teal)}
.f-brand img{width:64px;margin-bottom:16px;background:#fff;border-radius:50%;padding:6px}
.social{display:flex;gap:14px;margin-top:18px}
.social a{display:inline-flex;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);align-items:center;justify-content:center}
.social a:hover{background:var(--teal)}
.social svg{width:18px;height:18px;fill:#fff}
.subscribe{display:flex;flex-direction:column;gap:12px}
.subscribe input{width:100%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:14px 20px;font:16px var(--sans);color:#fff}
.subscribe input::placeholder{color:#93A3B5}
.subscribe .btn{align-self:flex-start}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;font-size:14px;color:#93A3B5}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .brand-text span{display:none}
  .nav a{padding:9px 9px;font-size:14.5px}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .brand-text span{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);display:none;box-shadow:0 20px 30px -20px rgba(14,30,54,.3)}
  .nav.open{display:block}
  .nav ul{flex-direction:column;padding:10px 20px 20px}
  .nav a{padding:13px 12px;font-size:16px}
  .hero-grid,.president-grid,.member-grid,.welcome-grid,.event-grid,.issue{grid-template-columns:1fr;gap:36px}
  .hero-mark{max-width:300px;order:-1}
  .president-photo{max-width:220px}
  .portrait{position:static;max-width:240px}
  .flyer{position:static;max-width:340px}
  .facts-grid{grid-template-columns:1fr 1fr}
  .facts-grid div:nth-child(3){border-left:0;padding-left:0}
  .facts-grid div{border-top:1px solid var(--line)}
  .facts-grid div:nth-child(-n+2){border-top:0}
  .mini-grid{grid-template-columns:1fr}
  .ev-grid{grid-template-columns:1fr}
  .officers{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .bar{min-height:72px}
  .brand img{width:44px;height:44px}
  .brand-text span{display:none}
  .year-bar{top:72px}
  .section{padding:52px 0}
  .page-head{padding:44px 0 28px}
  .teaser-grid{grid-template-columns:120px minmax(0,1fr);gap:22px}
  .officers,.contact-grid,.footer-top,.form,.faculty{grid-template-columns:1fr}
  .ev{grid-template-columns:96px minmax(0,1fr);gap:16px;padding:14px}
  .ev-thumb img{width:96px}
  .ev h3{font-size:19px}
  .prose{font-size:18px}
  .prose p:nth-child(2){font-size:20px}
  .facts strong{font-size:36px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}