/* AICC Southeast Region archive — institutional documentary system.
   Sharp geometry, archival paper ground, chamber navy. */
:root{
  --navy:#0d2b45;
  --navy-deep:#081d31;
  --chamber:#14538c;
  --steel:#5b82a8;
  --copper:#9d5b25;
  --paper:#f6f4ef;
  --paper-2:#efece4;
  --ink:#1b2126;
  --ink-soft:#4b555e;
  --rule:#d6d0c4;
  --white:#ffffff;
  --maxline:70ch;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:1.0625rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--chamber);text-underline-offset:.16em;text-decoration-thickness:.06em}
a:hover{color:var(--copper)}
h1,h2,h3,h4,.lockup-title,.utility-mark,.footer-head,.section-index-head,.navbar-nav .nav-link{
  font-family:Archivo,"Helvetica Neue",Arial,sans-serif;
}
h1,h2,h3,h4{color:var(--navy);letter-spacing:-.01em;line-height:1.2}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:2000}
.skip-link:focus{left:0}

/* ---- utility strip + header ---- */
.utility-strip{background:var(--navy-deep);color:#b9c6d3;padding:.4rem 0}
.utility-mark{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.site-header{background:var(--white);border-bottom:3px solid var(--navy);position:sticky;top:0;z-index:1030}
.site-header .container-xl{padding-top:.85rem;padding-bottom:.85rem}
.lockup{display:flex;align-items:center;gap:.85rem;text-decoration:none;padding:0}
.lockup-mark{
  background:var(--navy);color:#e8d9c2;font-family:Archivo,sans-serif;font-weight:700;
  letter-spacing:.06em;font-size:1rem;padding:.5rem .6rem;line-height:1;
}
.lockup-text{display:flex;flex-direction:column;line-height:1.15}
.lockup-title{font-size:.98rem;font-weight:600;color:var(--navy);letter-spacing:-.01em}
.lockup-sub{font-family:Archivo,sans-serif;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);margin-top:.18rem}
.navbar-toggler{border:1px solid var(--rule);border-radius:0;padding:.45rem .55rem;background:var(--white)}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--chamber)}
.toggler-bar{display:block;width:20px;height:2px;background:var(--navy);margin:4px 0}
.navbar-nav{gap:.15rem}
.navbar-nav .nav-link{
  color:var(--navy);font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  padding:.55rem .7rem;border-bottom:2px solid transparent;border-radius:0;
}
.navbar-nav .nav-link:hover{color:var(--copper);border-bottom-color:var(--copper)}
.navbar-nav .nav-link.active{color:var(--chamber);border-bottom-color:var(--chamber)}
.dropdown-menu{
  border:1px solid var(--rule);border-top:3px solid var(--chamber);border-radius:0;
  box-shadow:0 12px 28px rgba(13,43,69,.12);padding:.35rem 0;background:var(--white);min-width:19rem;
}
.dropdown-item{font-size:.94rem;padding:.42rem 1rem;color:var(--ink);white-space:normal}
.dropdown-item:hover,.dropdown-item:focus{background:var(--paper-2);color:var(--navy)}

/* ---- home hero ---- */
.home-hero{
  background-size:cover;background-position:center;color:#fff;
  padding:5.5rem 0 4.5rem;border-bottom:6px solid var(--copper);
}
.visually-hidden-hero{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.home-hero-eyebrow{font-family:Archivo,sans-serif;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:#c9d7e4;margin-bottom:1rem}
.home-hero-title{color:#fff;font-size:clamp(2rem,4.4vw,3.35rem);font-weight:700;margin:0 0 1.1rem;max-width:22ch}
.home-hero-title span{color:#e8d9c2;font-weight:500}
.home-hero-sub{max-width:56ch;font-size:1.12rem;color:#dbe4ec;margin:0}

/* ---- breadcrumb ---- */
.crumbbar{background:var(--paper-2);border-bottom:1px solid var(--rule);padding:.7rem 0}
.crumbbar .breadcrumb{font-family:Archivo,sans-serif;font-size:.74rem;letter-spacing:.09em;text-transform:uppercase}
.crumbbar .breadcrumb-item a{color:var(--ink-soft);text-decoration:none}
.crumbbar .breadcrumb-item a:hover{color:var(--copper)}
.crumbbar .breadcrumb-item.active{color:var(--navy);font-weight:600}
.crumbbar .breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--rule)}

/* ---- main layout ---- */
main{padding:2.75rem 0 4rem}
.prose{max-width:var(--maxline)}
.prose h1{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:700;margin:0 0 1.15rem;padding-bottom:.85rem;border-bottom:3px solid var(--navy)}
.prose h2{font-size:1.32rem;font-weight:600;margin:2.4rem 0 .8rem;padding-left:.85rem;border-left:4px solid var(--copper)}
.prose h3{font-size:1.08rem;font-weight:600;margin:1.7rem 0 .5rem;color:var(--chamber)}
.prose p{margin:0 0 1.05rem}
.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.3rem}
.prose li{margin-bottom:.45rem}
.prose strong{color:var(--navy);font-weight:600}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--paper-2);padding:.1em .35em;border:1px solid var(--rule)}
.lede{font-size:1.2rem;line-height:1.55;color:var(--ink-soft);border-left:4px solid var(--steel);padding-left:1.1rem;margin-bottom:1.8rem !important}
.mission{margin:0 0 1.8rem;padding:1.6rem 1.8rem;background:var(--navy);border-left:6px solid var(--copper)}
.mission p{margin:0;color:#f0e6d7;font-size:1.28rem;line-height:1.5;font-style:italic}
.notice{background:#fbf6ec;border:1px solid #e2d3b8;border-left:5px solid var(--copper);padding:.95rem 1.15rem;margin:0 0 1.7rem}
.notice p{margin:0;font-size:.97rem;color:#5c4a2e}

/* ---- figures ---- */
.page-hero{margin:0 0 2.2rem;border-top:3px solid var(--navy)}
.page-hero img,.inline-figure img{width:100%}
.page-hero figcaption,.inline-figure figcaption{
  font-family:Archivo,sans-serif;font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;
  color:var(--ink-soft);padding:.55rem 0;border-bottom:1px solid var(--rule);
}
.inline-figure{margin:2rem 0;border-top:3px solid var(--steel)}

/* ---- section index sidebar ---- */
.section-index{
  background:var(--white);border:1px solid var(--rule);border-top:4px solid var(--navy);
  padding:1.15rem 1.1rem 1.25rem;margin-bottom:2rem;position:sticky;top:6.5rem;
}
.section-index-head{font-size:.74rem;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .8rem}
.section-index ul{list-style:none;margin:0;padding:0}
.section-index li{border-top:1px solid var(--paper-2)}
.section-index li:first-child{border-top:0}
.section-index a{display:block;padding:.5rem 0;font-size:.98rem;color:var(--ink);text-decoration:none;line-height:1.35}
.section-index a:hover{color:var(--copper)}
.section-index li.is-current a{color:var(--chamber);font-weight:600;border-left:3px solid var(--chamber);padding-left:.6rem;margin-left:-.6rem}

/* ---- home rail ---- */
.rail{position:sticky;top:6.5rem}
.rail-card{background:var(--white);border:1px solid var(--rule);border-top:4px solid var(--chamber);padding:1.15rem 1.15rem 1.25rem;margin-bottom:1.5rem}
.rail-card--quiet{border-top-color:var(--copper)}
.rail-card h2{font-size:.74rem;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .75rem}
.rail-card p{font-size:.97rem;margin-bottom:.7rem}
.factlist{margin:0;font-size:.95rem}
.factlist dt{font-family:Archivo,sans-serif;font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-soft);margin-top:.7rem}
.factlist dt:first-child{margin-top:0}
.factlist dd{margin:0;color:var(--navy);font-weight:600}

/* ---- footer ---- */
.site-footer{background:var(--navy-deep);color:#c3ceda;padding:3rem 0 1.5rem;margin-top:3rem;border-top:6px solid var(--copper)}
.footer-head{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#8fa6bb;margin:0 0 .85rem}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin-bottom:.42rem}
.footer-list a{color:#dbe4ec;text-decoration:none;font-size:.96rem}
.footer-list a:hover{color:#e8d9c2;text-decoration:underline}
.footer-notice{border-top:1px solid rgba(255,255,255,.14);margin-top:1.2rem;padding-top:1.3rem}
.footer-notice p{font-size:.9rem;color:#9fb2c4;max-width:90ch;margin:0}
.footer-base{border-top:1px solid rgba(255,255,255,.14);margin-top:1.3rem;padding-top:1.1rem;font-size:.84rem;color:#8fa6bb}

/* ---- 404 ---- */
.errorpage{padding:4.5rem 0 5rem;text-align:center}
.errorpage .code{font-family:Archivo,sans-serif;font-size:clamp(3.5rem,9vw,6rem);font-weight:700;color:var(--navy);line-height:1;letter-spacing:-.03em}
.errorpage h1{border:0;margin-top:.75rem}
.errorpage .prose{max-width:60ch;margin:0 auto;text-align:left}

/* ---- entrance animation: CSS-only, ends visible ---- */
@keyframes riseIn{from{opacity:.001;transform:translateY(10px)}to{opacity:1;transform:none}}
.prose>h1,.home-hero-title,.page-hero{animation:riseIn .5s ease-out both}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}

/* Safeguard: content is never hidden waiting on JS. */
[data-aos]{opacity:1 !important;transform:none !important;}

@media (max-width:991.98px){
  .site-header{position:static}
  .navbar-collapse{border-top:1px solid var(--rule);margin-top:.85rem;padding-top:.5rem}
  .navbar-nav .nav-link{border-bottom:0;border-left:3px solid transparent;padding-left:.55rem}
  .navbar-nav .nav-link.active{border-bottom:0;border-left-color:var(--chamber)}
  .dropdown-menu{border:0;border-left:2px solid var(--rule);box-shadow:none;padding-left:.6rem}
  .section-index,.rail{position:static}
  .home-hero{padding:3.5rem 0 3rem}
}