/* ==========================================================================
   Dr. Payer QSTEM Foundation - site styles
   ========================================================================== */

/* ---------- Top bar ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:11px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:52px;height:52px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,#1a4ea8,var(--navy));color:var(--gold-2);
  font-size:23px;border:2px solid var(--gold);
}
.brand-text small{
  display:block;font-family:var(--ff-head);font-size:11.5px;font-weight:600;letter-spacing:2.4px;
  color:var(--navy);text-transform:uppercase;line-height:1.2;
}
.brand-text b{
  display:block;font-family:var(--ff-head);font-size:23px;font-weight:700;letter-spacing:.4px;
  color:var(--navy);line-height:1.15;text-transform:uppercase;
}
.brand-text em{
  display:block;font-style:normal;font-size:10.5px;color:var(--green);font-weight:600;letter-spacing:.2px;
}
.topbar-meta{display:flex;align-items:center;gap:26px;}
.topbar-item{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);}
.topbar-item i{color:var(--navy-2);font-size:15px;}

/* ---------- Main navigation ---------- */
.mainnav{background:var(--navy);position:sticky;top:0;z-index:70;}
.mainnav.is-stuck{box-shadow:0 4px 18px rgba(0,0,0,.22);}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.mainnav .menu{gap:4px;}
.mainnav .menu > li > a{
  color:rgba(255,255,255,.92);padding:14px 13px;font-size:12.8px;letter-spacing:.5px;
  text-transform:uppercase;font-weight:500;
}
.mainnav .menu > li > a:hover,.mainnav .menu > li.active > a{color:var(--gold-2);}
.mainnav .menu > li.active > a{font-weight:600;}
.mainnav .menu > li > a i{font-size:10px;opacity:.8;}
.nav-donate{margin-left:10px;}
.mainnav .menu > li.nav-donate > a,
.mainnav .menu > li.nav-donate > a:hover{color:#fff;padding:9px 18px;}
.mainnav .nav-toggle{color:#fff;}

/* ---------- Hero ---------- */
.hero{position:relative;background:#eef4fc;overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#fff 0%,rgba(255,255,255,.96) 32%,rgba(255,255,255,.78) 46%,rgba(255,255,255,.1) 64%,rgba(255,255,255,0) 78%);
}
.hero-inner{position:relative;z-index:2;padding:52px 0 46px;max-width:880px;}
.hero h1{font-size:40px;line-height:1.24;letter-spacing:-.4px;margin-bottom:16px;max-width:600px;}
.hero h1 .l2{color:var(--green);display:block;}
.hero p{font-size:14.5px;color:#3c4a5e;max-width:470px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- About + Vision ---------- */
.about-row{
  display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch;
}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
.about-panel{display:grid;grid-template-columns:1fr 178px;gap:22px;}
.about-panel .eyebrow{color:var(--navy-2);letter-spacing:1.4px;}
.about-panel h2{font-size:19px;margin-bottom:12px;letter-spacing:.2px;}
.about-panel p{font-size:13.3px;color:var(--muted);}
.chair-card{align-self:center;text-align:center;}
.chair-card img{width:100%;aspect-ratio:1/1.16;object-fit:cover;border-radius:8px;border:3px solid var(--sky);}
.chair-card b{display:block;margin-top:10px;font-family:var(--ff-head);font-size:14.5px;color:var(--navy);}
.chair-card span{display:block;font-size:12px;color:var(--muted);line-height:1.5;}

.vm-block + .vm-block{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.vm-head{display:flex;align-items:center;gap:11px;margin-bottom:11px;}
.vm-head i{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:var(--sky);color:var(--navy-2);font-size:15px;
}
.vm-head h3{font-size:16px;letter-spacing:.4px;text-transform:uppercase;}
.vm-block > p{font-size:13.3px;color:var(--muted);padding-left:45px;margin-bottom:0;}
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;padding-left:45px;}

/* ---------- Chairman highlight ---------- */
.chairman-box{
  background:#fdf8ed;border:1px solid #f0dfb6;border-radius:var(--radius);padding:26px;
  display:grid;grid-template-columns:176px 1fr 300px;gap:28px;align-items:start;
}
.chairman-box img{width:100%;aspect-ratio:1/1.2;object-fit:cover;border-radius:8px;}
.chairman-box .sec-title{margin-bottom:20px;}
.chairman-box .chair-title{text-align:center;justify-content:center;color:var(--orange-dark);}
.chairman-box p{font-size:13.4px;color:#4a5668;}
.sign{
  font-family:'Dancing Script',cursive;font-size:27px;color:var(--navy-2);line-height:1;margin:16px 0 6px;
}
.sign-meta{font-size:12.6px;color:var(--muted);line-height:1.5;}

/* ---------- Institutions ---------- */
.inst-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.inst-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;
  text-align:center;transition:.25s;box-shadow:var(--shadow-sm);
}
.inst-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.inst-logo{
  width:96px;height:96px;border-radius:50%;margin:0 auto 14px;display:block;object-fit:cover;background:#fff;
}
.inst-card h3{font-size:16px;margin-bottom:8px;}
.inst-card p{font-size:12.8px;color:var(--muted);min-height:54px;}
.i-green h3{color:var(--green);}
.i-orange h3{color:var(--orange-dark);}
.i-navy h3{color:var(--navy);}
.i-purple h3{color:var(--purple);}

/* ---------- Research areas ---------- */
.research-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
}
.research-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:12px;}
.ra-item{
  border:1px solid var(--line);border-radius:8px;padding:14px 8px;text-align:center;transition:.22s;
  display:flex;flex-direction:column;align-items:center;gap:7px;
}
.ra-item:hover{border-color:var(--navy-2);box-shadow:var(--shadow);transform:translateY(-3px);}
.ra-item i{font-size:21px;}
.ra-item span{font-size:11.6px;font-weight:600;color:var(--navy);line-height:1.35;}
.ra-wide{grid-column:span 3;flex-direction:row;justify-content:center;gap:12px;text-align:left;}
.c-leaf{color:#2f9e44;} .c-gear{color:#1c7ed6;} .c-heart{color:#e03131;} .c-sigma{color:#7048e8;}
.c-users{color:#0ca678;} .c-arts{color:#e8590c;} .c-chart{color:#f08c00;} .c-book{color:#1971c2;}
.c-law{color:#c2255c;} .c-globe{color:#2b8a3e;} .c-brain{color:#5f3dc4;} .c-ict{color:#1864ab;}

/* ---------- Four column strip ---------- */
.quad-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start;}
.quote-card blockquote{margin:0;font-size:13.2px;color:var(--muted);font-style:italic;position:relative;padding-left:22px;}
.quote-card blockquote::before{
  content:"\201C";position:absolute;left:0;top:-6px;font-size:40px;color:var(--gold);
  font-family:Georgia,serif;line-height:1;
}
.quote-sign{display:flex;align-items:center;gap:12px;margin-top:14px;}
.quote-sign img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex:0 0 auto;}
.quote-sign b{display:block;font-size:13.4px;color:var(--navy);font-family:var(--ff-head);}
.quote-sign span{font-size:12px;color:var(--muted);}
.partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.partner-grid img{
  width:100%;height:52px;object-fit:contain;border:1px solid var(--line);border-radius:6px;
  padding:7px;background:#fff;transition:.22s;
}
.partner-grid img:hover{border-color:var(--navy-2);transform:translateY(-3px);}
.link-btn{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-family:var(--ff-head);
  font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--navy);
  border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:8px 15px;transition:.22s;
}
.link-btn:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* ---------- Mission CTA ---------- */
.mission-cta{background:var(--navy);color:#fff;padding:26px 0;}
.mission-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.mission-txt{display:flex;align-items:center;gap:18px;}
.mission-txt > i{font-size:38px;color:var(--gold-2);}
.mission-txt h3{color:#fff;font-size:20px;letter-spacing:.6px;text-transform:uppercase;margin-bottom:4px;}
.mission-txt p{margin:0;font-size:13px;color:rgba(255,255,255,.82);max-width:430px;}
.mission-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.foundation-footer .footer-grid{grid-template-columns:1.5fr 1fr 1.2fr 1fr 1.4fr;}
.footer-brand .brand-text b,.footer-brand .brand-text small{color:#fff;}
.footer-brand .brand-text em{color:var(--gold-2);}
.footer-brand p{font-size:12.6px;margin:12px 0 16px;color:rgba(255,255,255,.66);}
.footer-contact li{display:flex;gap:10px;margin-bottom:9px;font-size:12.6px;}
.footer-contact li i{color:var(--gold-2);margin-top:4px;flex:0 0 14px;}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1200px){
  .research-grid{grid-template-columns:repeat(5,1fr);}
  .ra-wide{grid-column:span 1;flex-direction:column;text-align:center;gap:7px;}
  .chairman-box{grid-template-columns:160px 1fr;}
  .chairman-box .chairman-points{grid-column:1/-1;}
}
@media (max-width:1100px){
  .inst-grid{grid-template-columns:repeat(2,1fr);}
  .quad-grid{grid-template-columns:repeat(2,1fr);}
  .foundation-footer .footer-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
  .topbar-inner{flex-wrap:wrap;gap:12px;}
  .topbar-meta{gap:16px;flex-wrap:wrap;}
  .mainnav-inner{padding-block:8px;}
  .mainnav [data-nav]{
    position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--navy-deep);
    transform:translateX(100%);transition:transform .3s ease;z-index:90;overflow-y:auto;
    padding:70px 0 30px;display:block;
  }
  .mainnav [data-nav].is-open{transform:none;}
  .mainnav .menu{flex-direction:column;align-items:stretch;gap:0;}
  .mainnav .menu > li > a{padding:13px 22px;border-bottom:1px solid rgba(255,255,255,.08);justify-content:space-between;}
  .mainnav .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(0,0,0,.25);
    border-radius:0;border-top:0;display:none;padding:4px 0;
  }
  .mainnav .menu > li.sub-open > .dropdown{display:block;}
  .mainnav .dropdown li a{color:rgba(255,255,255,.78);padding:9px 34px;}
  .mainnav .dropdown li a:hover{background:rgba(255,255,255,.08);color:#fff;}
  .nav-donate{margin:16px 22px;display:flex;}
  .mainnav .nav-toggle{position:relative;z-index:95;margin-left:auto;padding:10px 0;}
  .hero h1{font-size:32px;}
  .about-row{grid-template-columns:1fr;}
  .chairman-box{grid-template-columns:1fr;gap:20px;}
  .chairman-box img{max-width:200px;}
  .mission-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .hero-bg::after{background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 55%,rgba(255,255,255,.75) 100%);}
  .hero-inner{padding:34px 0;}
  .hero h1{font-size:27px;}
  .research-grid{grid-template-columns:repeat(3,1fr);}
  .quad-grid{grid-template-columns:1fr;}
  .foundation-footer .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .brand-text b{font-size:18px;}
  .brand-text small{font-size:10px;letter-spacing:1.6px;}
  .about-panel{grid-template-columns:1fr;}
  .chair-card{max-width:190px;margin:0 auto;}
  .vm-grid{grid-template-columns:1fr;padding-left:0;}
  .vm-block > p{padding-left:0;}
  .inst-grid{grid-template-columns:1fr;}
  .research-grid{grid-template-columns:repeat(2,1fr);}
  .hero-actions .btn{flex:1 1 100%;}
  .mission-actions .btn{flex:1 1 100%;}
  .foundation-footer .footer-grid{grid-template-columns:1fr;}
  .mission-txt{flex-direction:column;align-items:flex-start;gap:10px;}
}

@media (max-width:640px){
  .topbar-meta{width:100%;justify-content:flex-start;gap:10px 18px;flex-wrap:wrap;}
  .topbar-item{white-space:nowrap;font-size:12.2px;}
}