/* ============================================================
   Abu Dhabi Chess & Mind Games Club — Design System
   Palette: deep emerald ink, warm stone paper, brass-gold accent
   Type: Fraunces (display serif) + IBM Plex Sans (body/UI)
   ============================================================ */

:root{
  --ink-900:#0B2620;
  --ink-800:#123A2E;
  --ink-700:#1B4A3B;
  --paper:#F1ECDA;
  --paper-dim:#E7E0C6;
  --text:#1D2A24;
  --text-muted:#5B6960;
  --gold:#B8862B;
  --gold-bright:#C9A24B;
  --line:#D9CFAE;
  --line-dark:#2A4A3D;
  --cream:#F8F4E8;
  --board-a:#123A2E;
  --board-b:#E7E0C6;

  --font-display:"Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body:"IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --measure:68ch;
  --radius:2px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

.wrap{max-width:1160px;margin:0 auto;padding:0 28px;}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink-800);
  line-height:1.12;
  margin:0 0 0.5em;
  font-weight:600;
}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:560;}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.3rem;}
p{margin:0 0 1.1em;max-width:var(--measure);}
p.lead{font-size:1.15rem;color:var(--text-muted);}

.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-body);font-weight:600;font-size:.98rem;
  padding:.85em 1.6em;border-radius:var(--radius);
  border:1px solid transparent;text-decoration:none;
  cursor:pointer;transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--gold);color:var(--ink-900);}
.btn-primary:hover{background:var(--gold-bright);transform:translateY(-1px);}
.btn-ghost{border-color:var(--line-dark);color:var(--ink-800);background:transparent;}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}
.btn-on-dark{border-color:rgba(241,236,218,.4);color:var(--paper);}
.btn-on-dark:hover{border-color:var(--gold-bright);color:var(--gold-bright);}

/* ---------- Header ---------- */
.site-header{
  background:var(--ink-900);
  border-bottom:1px solid var(--line-dark);
  position:sticky;top:0;z-index:50;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;}
.brand{display:flex;align-items:center;gap:.7em;text-decoration:none;color:var(--paper);}
.brand svg{height:34px;width:34px;flex:none;}
.brand-text{font-family:var(--font-display);font-size:1.18rem;line-height:1.1;color:var(--paper);}
.brand-text small{display:block;font-family:var(--font-body);font-size:.62rem;letter-spacing:.06em;color:var(--gold-bright);font-weight:600;margin-top:.15em;}

.main-nav{display:flex;gap:1.9em;}
.main-nav a{
  color:var(--paper);text-decoration:none;font-size:.94rem;font-weight:500;
  padding:.3em 0;border-bottom:2px solid transparent;
}
.main-nav a:hover,.main-nav a[aria-current="page"]{border-bottom-color:var(--gold);color:var(--gold-bright);}
.nav-cta{display:flex;align-items:center;gap:1.2em;}
.nav-toggle{display:none;background:none;border:1px solid var(--line-dark);color:var(--paper);padding:.5em .7em;border-radius:var(--radius);}

@media (max-width:900px){
  .main-nav{position:absolute;top:78px;left:0;right:0;background:var(--ink-900);flex-direction:column;padding:1em 28px 1.5em;gap:0;border-bottom:1px solid var(--line-dark);display:none;}
  .main-nav.open{display:flex;}
  .main-nav a{padding:.75em 0;border-bottom:1px solid rgba(255,255,255,.06);}
  .nav-toggle{display:inline-flex;}
  .nav-cta .btn-primary{display:none;}
}

/* ---------- Hero ---------- */
.hero{background:var(--ink-900);color:var(--paper);position:relative;overflow:hidden;}
.hero .wrap{padding-top:74px;padding-bottom:74px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-eyebrow{font-size:.82rem;color:var(--gold-bright);font-weight:600;margin-bottom:1em;}
.hero h1{color:var(--paper);}
.hero p.lead{color:#C7D0C8;}
.hero-actions{display:flex;gap:1em;margin-top:1.6em;flex-wrap:wrap;}
.hero-art{position:relative;}
.hero-art svg{width:100%;height:auto;}
.hero-stats{display:flex;gap:2.4em;margin-top:2.2em;flex-wrap:wrap;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.9rem;color:var(--gold-bright);}
.hero-stat span{font-size:.85rem;color:#A9B8AF;}

@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px;}
  .hero-art{order:-1;max-width:220px;}
}

/* ---------- Page header (interior pages) ---------- */
.page-header{background:var(--ink-900);color:var(--paper);padding:58px 0 46px;position:relative;}
.page-header .wrap{position:relative;z-index:1;}
.breadcrumb{font-size:.82rem;color:#A9B8AF;margin-bottom:1em;}
.breadcrumb a{color:#A9B8AF;text-decoration:none;}
.breadcrumb a:hover{color:var(--gold-bright);}
.page-header h1{color:var(--paper);margin-bottom:.35em;}
.page-header p.lead{color:#C7D0C8;margin-bottom:0;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
section.tight{padding:40px 0;}
section.alt{background:var(--paper-dim);}
section.dark{background:var(--ink-900);color:var(--paper);}
section.dark h2,section.dark h3{color:var(--paper);}
section.dark p{color:#C7D0C8;}
.section-head{max-width:640px;margin-bottom:2.4em;}
.section-head .kicker{color:var(--gold);font-weight:600;font-size:.85rem;margin-bottom:.6em;display:block;}

.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{background:var(--cream);border:1px solid var(--line);padding:28px;border-radius:var(--radius);}
.card svg{height:40px;width:40px;margin-bottom:1em;}
.card h3{margin-bottom:.4em;}
.card p{margin-bottom:0;color:var(--text-muted);font-size:.96rem;}

/* board strip motif */
.board-rule{height:14px;display:flex;}
.board-rule i{flex:1;}
.board-rule i:nth-child(odd){background:var(--board-a);}
.board-rule i:nth-child(even){background:var(--board-b);}

/* ---------- Article / news list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
@media (max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.post-grid{grid-template-columns:1fr;}}
.post-card{border:1px solid var(--line);background:var(--cream);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--text);display:flex;flex-direction:column;}
.post-card .thumb{background:var(--ink-800);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;}
.post-card .thumb svg{width:56%;height:56%;}
.post-body{padding:20px 22px 24px;}
.post-cat{font-size:.75rem;font-weight:700;color:var(--gold);letter-spacing:.03em;}
.post-card h3{margin:.45em 0 .4em;font-size:1.1rem;}
.post-meta{font-size:.8rem;color:var(--text-muted);margin-top:.8em;}
.post-card:hover h3{color:var(--gold);}

/* ---------- Article page ---------- */
.article{padding:52px 0 80px;}
.article .wrap{display:grid;grid-template-columns:minmax(0,72ch) 240px;gap:52px;align-items:start;}
.article-body p,.article-body li{max-width:none;}
.article-body h2{margin-top:1.4em;font-size:1.5rem;}
.article-body h3{margin-top:1.2em;font-size:1.2rem;}
.article-body ul,.article-body ol{padding-left:1.3em;}
.article-meta{font-size:.85rem;color:var(--text-muted);margin-bottom:1.6em;padding-bottom:1.6em;border-bottom:1px solid var(--line);}
.article-meta span{margin-right:1.2em;}
aside.toc{position:sticky;top:100px;border-left:2px solid var(--line);padding-left:1.2em;}
aside.toc h4{font-size:.82rem;text-transform:none;color:var(--text-muted);letter-spacing:.02em;margin-bottom:.8em;}
aside.toc ul{list-style:none;margin:0;padding:0;}
aside.toc li{margin-bottom:.6em;}
aside.toc a{text-decoration:none;color:var(--text);font-size:.9rem;}
aside.toc a:hover{color:var(--gold);}
@media (max-width:900px){.article .wrap{grid-template-columns:1fr;}aside.toc{position:static;border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:1em;}}

blockquote{border-left:3px solid var(--gold);margin:1.6em 0;padding:.2em 0 .2em 1.2em;font-style:italic;color:var(--ink-800);font-family:var(--font-display);font-size:1.15rem;}

/* ---------- Table ---------- */
table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.94rem;}
th,td{text-align:left;padding:.7em .8em;border-bottom:1px solid var(--line);}
th{color:var(--ink-800);font-weight:700;border-bottom:2px solid var(--ink-800);}
tr:nth-child(even) td{background:var(--paper-dim);}

/* ---------- Forms ---------- */
form.form{display:grid;gap:1.1em;max-width:640px;}
.form-row{display:grid;gap:.4em;}
.form-row label{font-size:.88rem;font-weight:600;color:var(--ink-800);}
.form-row input,.form-row select,.form-row textarea{
  font-family:var(--font-body);font-size:1rem;padding:.75em .9em;
  border:1px solid var(--line-dark);border-radius:var(--radius);background:var(--cream);color:var(--text);
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--gold);}
.form-grid2{display:grid;grid-template-columns:1fr 1fr;gap:1.1em;}
@media (max-width:600px){.form-grid2{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);padding:1.4em 0;}
.faq-item summary{cursor:pointer;font-family:var(--font-display);font-size:1.1rem;color:var(--ink-800);list-style:none;display:flex;justify-content:space-between;gap:1em;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--gold);flex:none;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin-top:.8em;color:var(--text-muted);}

/* ---------- Timeline / schedule ---------- */
.timeline{border-left:2px solid var(--line);padding-left:1.6em;}
.timeline-item{position:relative;padding-bottom:2em;}
.timeline-item::before{content:"";position:absolute;left:-1.98em;top:.3em;width:10px;height:10px;border-radius:50%;background:var(--gold);}
.timeline-item .day{font-weight:700;color:var(--ink-800);font-family:var(--font-display);font-size:1.1rem;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:#C7D0C8;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{color:var(--paper);font-family:var(--font-body);font-size:.88rem;text-transform:none;letter-spacing:.02em;margin-bottom:1em;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:.65em;}
.footer-grid a{color:#A9B8AF;text-decoration:none;font-size:.92rem;}
.footer-grid a:hover{color:var(--gold-bright);}
.footer-bottom{border-top:1px solid var(--line-dark);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1em;font-size:.82rem;color:#7E9086;}
.footer-brand{display:flex;align-items:center;gap:.6em;margin-bottom:1em;}
.footer-brand svg{height:30px;width:30px;}
.footer-brand span{font-family:var(--font-display);color:var(--paper);font-size:1.1rem;}

/* ---------- Utility ---------- */
.tag-row{display:flex;gap:.6em;flex-wrap:wrap;margin:1.2em 0;}
.tag{font-size:.78rem;border:1px solid var(--line-dark);color:var(--ink-800);padding:.3em .8em;border-radius:20px;}
.center{text-align:center;}
.mt-0{margin-top:0;}
.divider{height:1px;background:var(--line);margin:3em 0;border:none;}