/* ============================================================
   IOASR Multi-page website
   ============================================================ */

/* ---- 1. Tokens ------------------------------------------------ */
:root{
  --ink:#0A1E30;          /* dominant navy: header, hero, footer */
  --ink-2:#0F2A42;        /* raised navy panels */
  --ink-3:#071624;        /* utility bar, footer base */
  --ivory:#FAF9F6;        /* page background */
  --stone:#F0EFEA;        /* alternate section background */
  --green:#0A1E30;        /* IOASR brand navy: actions, accents */
  --green-d:#071624;      /* action hover */
  --yellow:#E9DF23;       /* logo yellow: hairline highlights only */
  --rule:#DCDAD2;         /* hairline on light */
  --rule-d:rgba(250,249,246,.16); /* hairline on navy */
  --text:#17212B;
  --muted:#5B6875;
  --muted-d:#A6B8C9;      /* muted text on navy */
  --font-d:"Source Serif 4",Georgia,"Times New Roman",serif;
  --font-u:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --maxw:1260px;
  --pad:clamp(18px,4vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
  color-scheme:light;
}

/* ---- 2. Reset & base ------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
main section[id]{scroll-margin-top:96px}
body{
  margin:0;background:var(--ivory);color:var(--text);
  font-family:var(--font-u);font-size:16px;line-height:1.65;
  font-weight:400;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-d);font-weight:600;line-height:1.12;letter-spacing:-.012em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.dark :focus-visible{outline-color:var(--yellow)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--ink);color:var(--ivory);padding:12px 18px}
.skip:focus{left:8px;top:8px}

/* type helpers */
.eyebrow{
  font-size:11px;font-weight:600;letter-spacing:.17em;text-transform:uppercase;
  color:var(--green);margin:0 0 14px;
}
.eyebrow--d{color:var(--yellow)}
.h2{font-size:clamp(27px,3.3vw,42px)}
.lede{font-size:clamp(16px,1.25vw,18px);line-height:1.6;color:var(--muted)}
.lede--d{color:var(--muted-d)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- 3. Buttons & links -------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border-radius:1px;font-size:14px;font-weight:600;
  letter-spacing:.01em;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn--solid{background:var(--green);color:#fff}
.btn--solid:hover{background:var(--green-d)}
.btn--solid:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(10,30,48,.22)}
.btn--solid:active{transform:translateY(-1px) scale(.96)}
.btn--ghost{border:1px solid var(--rule-d);color:var(--ivory)}
.btn--ghost:hover{border-color:var(--ivory);background:rgba(250,249,246,.06)}
.btn--line{border:1px solid var(--rule);color:var(--ink)}
.btn--line:hover{border-color:var(--ink);background:#fff}

.link-arrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--green);padding-bottom:3px;border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.link-arrow::after{content:"";width:16px;height:1px;background:currentColor;transition:width .25s var(--ease)}
.link-arrow:hover{border-color:currentColor}
.link-arrow:hover::after{width:24px}
.link-arrow--d{color:var(--yellow)}

/* ---- 4. Utility bar ------------------------------------------ */
.util{background:var(--ink-3);color:var(--muted-d);font-size:12.5px}
.util-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:42px}
.util-tag{letter-spacing:.05em;margin:0}
.util-links{display:flex;align-items:center;gap:26px}
.util-links a{transition:color .2s var(--ease)}
.util-links a:hover{color:var(--ivory)}

/* ---- 5. Header & navigation ---------------------------------- */
.hdr{
  position:sticky;top:0;z-index:60;background:var(--ivory);
  border-bottom:1px solid var(--rule);transition:box-shadow .3s var(--ease);
}
.hdr.is-stuck{box-shadow:0 10px 30px -22px rgba(10,30,48,.5)}
.hdr-in{display:flex;align-items:center;gap:16px;min-height:72px}

.brand{display:flex;align-items:center;gap:13px;margin-right:10px;flex-shrink:0}
.brand img{max-width:100%;height:auto;}
.brand-mark{width:42px;height:42px;color:var(--ink);flex-shrink:0}
.brand-txt{display:block}
.brand-name{
  font-family:var(--font-d);font-size:25px;font-weight:600;
  letter-spacing:.06em;color:var(--ink);line-height:1;
}
.brand-sub{
  display:block;margin-top:5px;font-size:9.5px;font-weight:600;
  letter-spacing:.15em;text-transform:uppercase;color:var(--muted);
}

.nav{display:flex;align-items:center;justify-content:center;gap:1px;flex:1}
.nav-item{position:relative;border-left:1px solid rgba(10,30,48,.14)}
.nav-item:last-child{border-right:1px solid rgba(10,30,48,.14)}
.nav-link{
  display:flex;align-items:center;gap:6px;padding:11px 14px;
  font-size:12.5px;font-weight:650;letter-spacing:.015em;color:var(--ink);position:relative;white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.nav-link:hover{background:rgba(10,30,48,.06);color:var(--ink)}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover::after,.nav-item.is-open>.nav-link::after{transform:scaleX(1)}
.nav-link.is-current::after{transform:scaleX(1);background:var(--yellow)}
.nav-link.is-current{font-weight:650;background:rgba(10,30,48,.045)}
.contact-nav{
  margin-left:6px;padding:9px 17px;border-radius:999px;background:var(--ink);color:#fff;
  box-shadow:0 5px 14px rgba(10,30,48,.16);transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.contact-nav::after{display:none}
.contact-nav:hover,.contact-nav.is-current{background:var(--green);color:#fff;transform:translateY(-2px);box-shadow:0 9px 20px rgba(10,30,48,.24)}
.contact-nav:active{transform:translateY(0) scale(.96)}
.nav-caret{
  width:10px;height:10px;margin-left:2px;flex:0 0 10px;
  stroke:currentColor;stroke-width:2;fill:none;
  transition:transform .25s var(--ease),stroke .25s var(--ease);
}
.nav-link:hover .nav-caret,.nav-item.is-open .nav-caret{stroke:var(--green)}
.nav-item.is-open .nav-caret{transform:rotate(180deg)}

.drop{
  position:absolute;top:calc(100% + 1px);left:0;min-width:262px;
  background:#fff;border:1px solid var(--rule);
  box-shadow:0 24px 44px -30px rgba(10,30,48,.45);
  padding:10px 0;opacity:0;visibility:hidden;transform:translateY(-9px) scaleY(.96);
  transform-origin:top center;
  transition:opacity .24s var(--ease),transform .32s var(--ease),visibility .32s;
}
.drop::before{
  content:"";position:absolute;left:0;top:-1px;width:100%;height:2px;background:var(--green);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease) .05s;
}
.nav-item.is-open .drop{opacity:1;visibility:visible;transform:none}
.nav-item.is-open .drop::before{transform:scaleX(1)}
.drop a{
  display:block;padding:9px 22px;font-size:14px;font-weight:600;letter-spacing:.01em;color:var(--text);
  border-left:2px solid transparent;opacity:0;transform:translateY(-6px);
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease),
             opacity .3s var(--ease),transform .3s var(--ease);
}
.nav-item.is-open .drop a{opacity:1;transform:none}
.nav-item.is-open .drop a:nth-child(2){transition-delay:.05s}
.nav-item.is-open .drop a:nth-child(3){transition-delay:.1s}
.nav-item.is-open .drop a:nth-child(4){transition-delay:.15s}
.nav-item.is-open .drop a:nth-child(5){transition-delay:.2s}
.drop a:hover{border-left-color:var(--green);background:var(--stone);color:var(--ink)}
.drop-label{display:block;margin:8px 22px 2px;padding-top:10px;border-top:1px solid var(--rule);color:var(--green);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}

.hdr-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--rule);background:transparent;transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.burger:hover{background:var(--yellow);border-color:var(--yellow)}
.burger:active{transform:scale(.94)}
.burger-bar{display:block;width:19px;height:1.5px;background:var(--ink);position:relative;transition:background .2s var(--ease)}
.burger-bar::before,.burger-bar::after{
  content:"";position:absolute;left:0;width:19px;height:1.5px;background:var(--ink);
  transition:transform .28s var(--ease),top .28s var(--ease);
}
.burger-bar::before{top:-6px}
.burger-bar::after{top:6px}
.burger.is-on .burger-bar{background:transparent}
.burger.is-on .burger-bar::before{top:0;transform:rotate(45deg)}
.burger.is-on .burger-bar::after{top:0;transform:rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;right:0;top:0;bottom:0;z-index:70;
  width:min(88vw,430px);background:var(--ivory);border-top:1px solid var(--rule);border-left:1px solid var(--rule);
  overflow-y:auto;overscroll-behavior:contain;padding:20px 28px 60px;
  transform:translateX(105%);opacity:0;visibility:hidden;
  box-shadow:-24px 0 55px rgba(10,30,48,0);
  transition:opacity .28s var(--ease),transform .5s var(--ease),visibility .5s,box-shadow .5s var(--ease);
}
.drawer::before{content:"";position:fixed;top:0;right:100%;bottom:0;width:100vw;background:rgba(10,30,48,.38);opacity:0;pointer-events:none;transition:opacity .5s var(--ease)}
.drawer.is-open{opacity:1;visibility:visible;transform:none;box-shadow:-24px 0 55px rgba(10,30,48,.2)}
.drawer.is-open::before{opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:46px;margin-bottom:14px;padding-bottom:16px;border-bottom:1px solid var(--rule)}
.drawer-label{font:600 12px/1 var(--font-u);letter-spacing:.16em;text-transform:uppercase;color:var(--green)}
.drawer-close{position:relative;width:42px;height:42px;border:1px solid var(--rule);background:var(--stone);transition:background .25s var(--ease),transform .25s var(--ease)}
.drawer-close:hover{background:var(--yellow);transform:rotate(90deg)}
.drawer-close span,.drawer-close span::after{content:"";position:absolute;left:12px;top:20px;width:17px;height:1.5px;background:var(--ink);transform:rotate(45deg)}
.drawer-close span::after{left:0;top:0;transform:rotate(90deg)}
.drawer-grp{
  border-bottom:1px solid var(--rule);opacity:0;transform:translateY(14px);
  transition:opacity .44s var(--ease),transform .44s var(--ease);
}
.drawer.is-open .drawer-grp{opacity:1;transform:none}
.drawer.is-open .drawer-grp:nth-child(1){transition-delay:.05s}
.drawer.is-open .drawer-grp:nth-child(2){transition-delay:.1s}
.drawer.is-open .drawer-grp:nth-child(3){transition-delay:.15s}
.drawer.is-open .drawer-grp:nth-child(4){transition-delay:.2s}
.drawer.is-open .drawer-grp:nth-child(5){transition-delay:.25s}
.drawer.is-open .drawer-grp:nth-child(6){transition-delay:.3s}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:17px 2px;font-family:var(--font-d);font-size:19px;font-weight:650;letter-spacing:.01em;color:var(--ink);
  transition:color .22s var(--ease);
}
.drawer-top:hover,.drawer-grp.is-open>.drawer-top{color:var(--green)}
.drawer-top.is-current{color:var(--green);font-weight:700}
.drawer-top .nav-caret{width:11px;height:11px;flex-basis:11px;margin-left:8px}
.drawer-grp.is-open .nav-caret{transform:rotate(180deg)}
.drawer-sub{
  max-height:0;overflow:hidden;padding:0 2px;
  transition:max-height .45s var(--ease),padding-bottom .45s var(--ease);
}
.drawer-grp.is-open .drawer-sub{padding-bottom:14px}
.drawer-sub a{
  display:block;padding:8px 0;font-size:14.5px;font-weight:600;letter-spacing:.01em;color:var(--muted);
  opacity:0;transform:translateX(-12px);
  transition:opacity .34s var(--ease),transform .34s var(--ease),color .2s var(--ease);
}
.drawer-grp.is-open .drawer-sub a{opacity:1;transform:none}
.drawer-grp.is-open .drawer-sub a:nth-child(2){transition-delay:.06s}
.drawer-grp.is-open .drawer-sub a:nth-child(3){transition-delay:.12s}
.drawer-grp.is-open .drawer-sub a:nth-child(4){transition-delay:.18s}
.drawer-grp.is-open .drawer-sub a:nth-child(5){transition-delay:.24s}
.drawer-sub a:hover{color:var(--green)}
.drawer-sub-label{display:block;margin:10px 0 4px;padding-top:12px;border-top:1px solid var(--rule);color:var(--green);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.drawer .btn{
  margin-top:26px;width:100%;justify-content:center;opacity:0;transform:translateY(14px);
  transition:opacity .44s var(--ease) .34s,transform .44s var(--ease) .34s,background .25s var(--ease);
}
.drawer.is-open .btn{opacity:1;transform:none}

/* click feedback */
.has-ink{position:relative;overflow:hidden}
.has-ink{isolation:isolate}
.has-ink:active{transform:scale(.97)}
.ink{
  position:absolute;border-radius:50%;pointer-events:none;background:currentColor;
  opacity:.2;transform:translate(-50%,-50%) scale(0);z-index:-1;
  transition:transform .58s var(--ease),opacity .58s var(--ease);
}
.ink.is-go{transform:translate(-50%,-50%) scale(1);opacity:0}

/* Premium desktop submit action */
.hdr-submit{
  min-width:148px;height:48px;padding:13px 22px;border-radius:999px;justify-content:center;
  flex-shrink:0;background:linear-gradient(110deg,var(--ink),var(--ink-2),var(--green),var(--ink));
  background-size:260% 100%;box-shadow:0 8px 20px rgba(10,30,48,.16);
}
.hdr-submit:hover{background-position:100% 50%;animation:submitColorShift 1.4s ease infinite;box-shadow:0 12px 28px rgba(10,30,48,.3)}
.hdr-submit:focus-visible{outline:2px solid var(--yellow);outline-offset:4px}
@keyframes submitColorShift {
  0%,100% {background-position:0% 50%}
  50% {background-position:100% 50%}
}

/* ---- 6. Hero -------------------------------------------------- */
.hero{position:relative;background:var(--ink);color:var(--ivory);overflow:hidden;padding:clamp(56px,7vw,96px) 0 clamp(120px,13vw,168px)}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,var(--rule-d) 1px,transparent 1px);
  background-size:calc(100% / 12) 100%;opacity:.5;
}
.hero-in{position:relative;display:grid;grid-template-columns:1.32fr .88fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-h1{font-size:clamp(36px,5.1vw,64px);line-height:1.04;letter-spacing:-.02em;max-width:15ch}
.hero-h1 em{font-style:italic;font-weight:400;color:#fff}
.hero-lede{margin-top:26px;max-width:52ch}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-marks{
  display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:44px;padding-top:22px;
  border-top:1px solid var(--rule-d);
}
.hero-marks li{
  display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:500;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted-d);
}
.hero-marks li::before{content:"";width:5px;height:5px;background:var(--yellow);flex-shrink:0}

.js .hero-in .reveal-h{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
body.is-ready .hero-in .reveal-h{opacity:1;transform:none}
body.is-ready .hero-in .reveal-h:nth-child(2){transition-delay:.12s}

/* ---- 7. Journal cover plate ---------------------------------- */
.cover{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  aspect-ratio:3/4;padding:20px 18px;background:var(--ink);color:var(--ivory);
  border:1px solid rgba(250,249,246,.22);overflow:hidden;
  transition:transform .4s var(--ease);
}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--green)}
.cover::after{
  content:"";position:absolute;right:-42%;bottom:-34%;width:125%;aspect-ratio:1;
  border:1px solid rgba(250,249,246,.15);border-radius:50%;
}
.cover:hover{transform:translateY(-4px)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover-issn,.cover-foot{
  position:relative;font-size:9.5px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted-d);
}
.cover-mid{position:relative}
.cover-rule{display:block;width:32px;height:2px;background:var(--yellow);margin-bottom:12px}
.cover-title{display:block;font-family:var(--font-d);font-size:clamp(14px,1.35vw,18px);line-height:1.24}

/* ---- 8. Spec panel ---------------------------------- */
.spec{position:relative;background:var(--ink-2);border:1px solid var(--rule-d);padding:clamp(20px,2vw,28px)}
.spec-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:14px;margin-bottom:20px;border-bottom:1px solid var(--rule-d)}
.spec-top .eyebrow{margin:0}
.spec-vol{font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d)}
.spec-cover{max-width:250px;margin:0 auto}
.spec-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--rule-d);display:flex;align-items:center;justify-content:space-between;gap:14px}
.spec-foot p{font-size:12.5px;color:var(--muted-d);margin:0}

/* ---- 9. Section rhythm -------------------------------------- */
.sec{padding:clamp(58px,7vw,104px) 0}
.sec--stone{background:var(--stone)}
.sec--ink{background:var(--ink);color:var(--ivory)}
.sec--top{padding-top:clamp(40px,4.6vw,62px)}
.sec-head{
  position:relative;
  display:grid;grid-template-columns:180px minmax(0,1fr) auto;
  gap:clamp(16px,3vw,48px);align-items:end;
  padding-bottom:20px;margin-bottom:clamp(28px,3.6vw,48px);
  border-bottom:1px solid var(--rule);
}
.sec-head::after{
  content:"";position:absolute;left:0;bottom:-1px;width:0;height:2px;
  background:var(--green);transition:width .85s var(--ease);
}
.is-landed .sec-head::after{width:100%}
.sec--ink .sec-head{border-bottom-color:var(--rule-d)}
.sec--ink .sec-head::after{background:var(--yellow)}
.sec-head .eyebrow{margin:0;padding-bottom:5px}
.sec-head-mid{max-width:58ch}
.sec-head-mid .lede{margin-top:11px}
.sec-head-act{padding-bottom:5px}

.reveal{opacity:1}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

.notice{
  display:flex;align-items:center;gap:12px;margin-bottom:24px;padding:10px 16px;
  border:1px dashed var(--rule);font-size:12.5px;color:var(--muted);
}
.notice::before{content:"";width:6px;height:6px;background:var(--yellow);flex-shrink:0}
.sec--ink .notice{border-color:var(--rule-d);color:var(--muted-d)}

/* ---- 10. Journals -------------------------------------------- */
.jrnls{display:grid;gap:1px;background:var(--rule);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.jrnl{
  display:grid;grid-template-columns:158px minmax(0,1fr) auto;
  gap:clamp(20px,3vw,44px);align-items:center;background:var(--ivory);
  padding:28px 6px;transition:background .3s var(--ease);
}
.jrnl:hover{background:#fff}
.jrnl-body{min-width:0}
.jrnl-title{font-size:clamp(19px,1.7vw,25px);line-height:1.2}
.jrnl-title a{transition:color .2s var(--ease)}
.jrnl-title a:hover{color:var(--green)}
.jrnl-desc{margin-top:11px;font-size:15px;color:var(--muted);max-width:54ch}
.jrnl-meta{display:flex;flex-wrap:wrap;gap:7px 20px;margin-top:15px}
.jrnl-meta li{font-size:11px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.jrnl--slot{background:var(--stone)}
.jrnl--slot:hover{background:var(--stone)}
.jrnl--slot .cover{background:var(--ink-2);border-style:dashed;opacity:.7}
.jrnl--slot .jrnl-title{color:var(--muted)}

/* ---- 11. About ----------------------------------------------- */
.about{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(30px,5vw,78px);align-items:start}
.about-quote{font-family:var(--font-d);font-size:clamp(21px,2.4vw,31px);line-height:1.3;letter-spacing:-.012em}
.about-quote em{font-style:italic;color:var(--green)}
.about-sign{margin-top:26px;font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.about-body{font-size:16.5px;color:var(--muted)}
.about-body p+p{margin-top:15px}
.about-body strong{color:var(--ink);font-weight:600}
.commit{display:grid;gap:1px;background:var(--rule);margin-top:32px}
.commit li{display:grid;grid-template-columns:18px minmax(0,1fr);gap:16px;align-items:start;background:#fff;padding:17px 20px}
.commit li::before{content:"";width:18px;height:1px;background:var(--green);margin-top:11px}
.commit h3{font-family:var(--font-u);font-size:15.5px;font-weight:600;letter-spacing:0}
.commit p{margin-top:3px;font-size:14px;color:var(--muted)}

/* ---- 12. Articles ------------------------------------------- */
.arts{display:grid;gap:1px;background:var(--rule);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.art{
  display:grid;grid-template-columns:minmax(0,1fr) 208px;gap:clamp(18px,3vw,44px);
  align-items:start;background:var(--ivory);padding:25px 6px;transition:background .3s var(--ease);
}
.art:hover{background:#fff}
.art-src{display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:10px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.art-jrnl{color:var(--green)}
.art-type{color:var(--muted)}
.art-title{font-size:clamp(17.5px,1.5vw,21px);line-height:1.26}
.art-title a{transition:color .2s var(--ease)}
.art-title a:hover{color:var(--green)}
.art-authors{margin-top:8px;font-family:var(--font-d);font-style:italic;font-size:15px;color:var(--muted)}
.art-abs{margin-top:12px;font-size:15px;color:var(--muted);max-width:64ch}
.art--lead{padding:32px 6px 34px}
.art--lead .art-title{font-size:clamp(23px,2.5vw,33px);letter-spacing:-.015em}
.art-aside{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.art-date{font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.art-links{display:flex;flex-wrap:wrap;gap:8px}
.art-links a{
  font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--rule);padding:7px 13px;color:var(--muted);
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.art-links a:hover{border-color:var(--ink);color:var(--ink);background:#fff}
.arts-foot{margin-top:30px;display:flex;justify-content:center}

/* ---- 13. Calls for papers -------------------------------- */
.calls{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:1px;background:var(--rule-d);border:1px solid var(--rule-d)}
.call{display:flex;flex-direction:column;gap:13px;background:var(--ink);padding:24px 22px 26px;transition:background .3s var(--ease)}
.call:hover{background:var(--ink-2)}
.call-date{display:flex;align-items:baseline;gap:9px}
.call-day{font-family:var(--font-d);font-size:31px;line-height:1;color:var(--ivory)}
.call-mon{font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-d)}
.call-jrnl{font-size:10.5px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--muted-d)}
.call-title{font-size:18.5px;line-height:1.26;color:var(--ivory)}
.call-meta{margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--muted-d)}

/* ---- 14. Publish with IOASR + join -------------------------- */
.publish{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4.5vw,66px);align-items:start}
.journey{display:grid;gap:1px;background:var(--rule);margin-top:4px}
.step{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;align-items:start;background:var(--stone);padding:17px 4px}
.step-n{font-family:var(--font-d);font-size:18px;color:var(--green);padding-top:1px}
.step h3{font-family:var(--font-u);font-size:15.5px;font-weight:600;letter-spacing:0}
.step p{margin-top:3px;font-size:14px;color:var(--muted)}
.journey-note{margin-top:16px;font-size:12.5px;color:var(--muted)}

.join{background:var(--ink);color:var(--ivory);padding:clamp(24px,3vw,38px)}
.join h2{font-size:clamp(21px,2.1vw,29px)}
.join p{margin-top:13px;font-size:15.5px;color:var(--muted-d)}
.join-list{margin-top:24px;border-top:1px solid var(--rule-d)}
.join-list li{border-bottom:1px solid var(--rule-d)}
.join-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;font-size:15px;transition:color .22s var(--ease),padding-left .28s var(--ease)}
.join-list a:hover{color:var(--yellow);padding-left:6px}
.join-list svg{width:13px;height:13px;stroke:currentColor;stroke-width:1.7;fill:none;flex-shrink:0}
.join .btn{margin-top:26px}

/* ---- 15. Blogs ----------------------------------------- */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.post{display:flex;flex-direction:column;background:var(--ivory);padding:25px 22px 27px;transition:background .3s var(--ease)}
.post:hover{background:#fff}
.post-date{font-size:10.5px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.post-title{margin-top:11px;font-size:18.5px;line-height:1.27}
.post-title a{transition:color .2s var(--ease)}
.post-title a:hover{color:var(--green)}
.post-ex{margin-top:10px;font-size:14.5px;color:var(--muted)}
.post .link-arrow{margin-top:20px;align-self:flex-start}

/* ---- 16. Footer -------------------------------------------- */
.ftr{background:var(--ink);color:var(--muted-d);padding:clamp(50px,6vw,82px) 0 0}
.ftr-grid{
  display:grid;grid-template-columns:1.4fr .82fr .82fr 1.3fr;gap:clamp(26px,4vw,54px);
  padding-bottom:clamp(32px,4vw,52px);border-bottom:1px solid var(--rule-d);
}
.ftr .brand-mark,.ftr .brand-name{color:var(--ivory)}
.ftr .brand-sub{color:var(--muted-d)}
.ftr-addr{margin-top:20px;font-size:14px;line-height:1.7}
.ftr-addr strong{display:block;margin-bottom:6px;font-size:10.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--ivory)}
.ftr-h{margin-bottom:17px;font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ivory)}
.ftr-links li+li{margin-top:10px}
.ftr-links a{font-size:14.5px;transition:color .2s var(--ease)}
.ftr-links a:hover{color:var(--ivory)}
.sub-form{display:flex;align-items:center;gap:10px;padding-bottom:9px;border-bottom:1px solid rgba(250,249,246,.32)}
.sub-form input{flex:1;min-width:0;border:0;background:none;font-size:14.5px;color:var(--ivory);outline:none}
.sub-form input::placeholder{color:var(--muted-d)}
.sub-form button{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  border:1px solid var(--rule-d);transition:background .25s var(--ease),border-color .25s var(--ease);
}
.sub-form button:hover{background:var(--green);border-color:var(--green)}
.sub-form svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.6;fill:none}
.sub-note{margin-top:11px;font-size:12px}
.social{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.social a{
  width:37px;height:37px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--rule-d);
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.social a:hover{border-color:var(--ivory);color:var(--ivory);background:rgba(250,249,246,.06)}
.social svg{width:16px;height:16px;fill:currentColor}
.ftr-btm{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 26px;padding:20px 0 30px;font-size:12.5px}
.ftr-note{max-width:74ch}
.ftr-note b{color:var(--ivory);font-weight:600}

/* ---- 17. Responsive ---------------------------------------- */
@media (max-width:1140px){
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1000px){
  .nav,.hdr-cta .btn{display:none}
  .burger{display:flex}
  .hdr-in{justify-content:space-between}
  .hdr-cta{display:flex;margin-left:auto}
  html,body{scrollbar-width:none}
  html::-webkit-scrollbar,body::-webkit-scrollbar{width:0;height:0;display:none}
  .hero{padding-bottom:clamp(104px,14vw,130px)}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .hero-h1{max-width:20ch}
  .spec{max-width:430px}
  .about,.publish{grid-template-columns:1fr}
  .posts{grid-template-columns:1fr}
  .sec-head{grid-template-columns:1fr;align-items:start;gap:14px}
  .sec-head .eyebrow{padding-bottom:0}
  .sec-head-act{padding-bottom:0}
}
@media (max-width:720px){
  .util-links{display:none}
  .util-in{justify-content:center}
  .hdr-in{min-height:62px}
  .hdr-in{justify-content:space-between}
  .hdr-cta{display:flex;margin-left:auto}
  .jrnl{grid-template-columns:104px minmax(0,1fr);gap:20px;row-gap:16px}
  .jrnl-act{grid-column:2}
  .art{grid-template-columns:1fr;row-gap:16px}
  .ftr-grid{grid-template-columns:1fr}
  .brand-name{font-size:22px}
}
@media (max-width:430px){
  .drawer{padding-left:22px;padding-right:22px}
  .jrnl{grid-template-columns:1fr}
  .jrnl-cover{max-width:118px}
  .jrnl-act{grid-column:1}
  .btn{width:100%;justify-content:center}
  .hero-acts{gap:10px}
}

@media (min-width:1001px) and (max-width:2000px){
  .hdr-in{display:grid;grid-template-columns:185px minmax(0,1fr);gap:10px}
  .brand{margin-right:0}
  .brand img{width:154px;height:auto !important}
  .nav{gap:0;min-width:0}
  .nav-link{padding:9px 6px;font-size:12.5px;font-weight:600;gap:3px}
  .nav-link::after{left:6px;right:6px}
  .nav-caret{width:8px;height:8px;flex-basis:8px;margin-left:1px}
  .contact-nav{margin-left:3px;padding:8px 10px;font-size:12.5px}
  .hdr-cta{display:none}
}

@media (max-width:1000px){
  .hdr-submit{width:100%;height:auto;border-radius:999px;padding:13px 24px;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .js .reveal,.js .hero-in .reveal-h{opacity:1;transform:none}
  .drawer .drawer-grp,.drawer .btn,.drop a,.drawer-sub a{opacity:1;transform:none}
  .cover:hover{transform:none}
  .ink{display:none}
}
@media print{
  .util,.hdr,.drawer{display:none}
  body{background:#fff}
  .hero,.sec--ink,.ftr,.call,.join,.cover{background:#fff;color:#000}
}