/* ===== ACSL Korea shared styles (Bootstrap 5 add-on) ===== */
:root{
  --navy:#13294B;
  --navy-dark:#0C1C36;
  --accent:#D7263D;
  --ink:#1B1F24;
  --muted:#5B6270;
  --paper:#FAFAF7;
  --line:#E4E2DC;
}
html,body{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans','Helvetica Neue',Arial,sans-serif;
  color:var(--ink);background:var(--paper);font-size:16px;
}
a{color:var(--navy);text-underline-offset:3px}
a:hover{color:var(--accent)}
.text-red{color:var(--accent)!important}

/* ===== Announcement strip ===== */
.announce{
  background:var(--navy-dark);color:#c9d3e3;text-align:center;
  font-size:14px;padding:8px 16px;
}
.announce a{color:#fff;font-weight:600}
.announce a:hover{color:#fff;opacity:.85}

/* ===== Header / navbar ===== */
.kcsl-navbar{background:var(--navy);padding:.7rem 0;z-index:1030}
.kcsl-logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;padding:0}
.kcsl-logo .wordmark{
  display:block;width:84px;height:29px;box-sizing:content-box;
  border-right:1px solid rgba(255,255,255,.3);padding-right:12px;
  --mk-outer:#fff;--mk-inner:var(--navy);
}
.kcsl-logo .names{display:flex;flex-direction:column;line-height:1.2}
.kcsl-logo .region{font-size:17px;font-weight:600;color:#fff}
.kcsl-logo .tag{font-size:11px;color:#a9b6cc}
.kcsl-navbar .nav-link{
  color:#dfe5ef!important;font-size:15px;font-weight:500;
  padding:.5rem .9rem!important;
}
.kcsl-navbar .nav-link:hover{color:#fff!important}
.kcsl-navbar .nav-link.active{color:#fff!important;box-shadow:inset 0 -2px 0 var(--accent)}
.kcsl-navbar .dropdown-menu{
  --bs-dropdown-bg:#fff;--bs-dropdown-link-color:var(--ink);
  --bs-dropdown-link-hover-bg:#eef1f6;--bs-dropdown-link-hover-color:var(--navy);
  border-radius:2px;border:1px solid var(--line);padding:.3rem 0;min-width:200px;
}
.kcsl-navbar .dropdown-item{padding:.55rem 1rem;font-size:14px}

/* ===== ACSL mark (hollow segmented letters) ===== */
.mk-outer, .mk-inner{fill:none;stroke-linecap:butt;stroke-linejoin:round}
.mk-outer{stroke:var(--mk-outer);stroke-width:7}
.mk-inner{stroke:var(--mk-inner);stroke-width:2.4}

/* ===== Page title ===== */
.page-title-band{background:#fff;border-bottom:1px solid var(--line);padding:40px 0 32px}
.page-title-band .crumb{
  font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:13px;color:var(--muted);margin-bottom:10px;
}
.page-title-band .crumb a{color:var(--muted);text-decoration:none}
.page-title-band .crumb a:hover{color:var(--navy);text-decoration:underline}
.page-title-band h1{font-size:40px;font-weight:600;letter-spacing:-.01em;margin:0}
.page-title-band .lede{color:var(--muted);font-size:18px;margin:10px 0 0}

/* ===== Home ===== */
.home-hero{background:#fff;border-bottom:1px solid var(--line);padding:56px 0}
.home-hero h1{font-size:44px;font-weight:600;line-height:1.15;letter-spacing:-.015em;margin-bottom:16px}
.home-hero p{font-size:19px;line-height:1.6;color:var(--muted);max-width:30em}
.home-hero .photo{width:100%;aspect-ratio:3/2;background:#ccc center/cover no-repeat;border-radius:2px}

/* ===== Prose sections ===== */
.prose{padding:44px 0}
.prose .container > *{max-width:820px}
.prose p, .prose li{font-size:17px;line-height:1.75}
.prose ul{padding-left:1.2em;margin-bottom:1.5em}
.prose ul li{margin-bottom:.5em}
.prose h2, .content-block h2{font-size:24px;font-weight:600;margin:44px 0 14px}
.prose h2:first-child, .content-block h2:first-child{margin-top:0}
.bg-soft{background:#fff}

/* ===== Divisions table ===== */
.div-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:16px}
.div-table th, .div-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;line-height:1.6}
.div-table thead th{
  font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;font-weight:500;
  text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f3f2ee;
}
.div-table tbody th{font-weight:600;white-space:nowrap}
.div-table td[data-label="Grades"]{white-space:nowrap}
.note{font-size:15px!important;color:var(--muted);margin-top:12px}
@media (max-width: 767.98px){
  .div-table thead{display:none}
  .div-table, .div-table tbody, .div-table tr, .div-table th, .div-table td{display:block;width:100%}
  .div-table tr{border-bottom:1px solid var(--line);padding:12px 14px}
  .div-table th, .div-table td{border:0;padding:2px 0}
  .div-table tbody th{font-size:17px}
  .div-table td[data-label="Grades"]{color:var(--muted);font-size:14px}
}

/* ===== Buttons ===== */
.btn-red{
  background:var(--navy);color:#fff;border:1px solid var(--navy);border-radius:2px;
  padding:10px 22px;font-weight:600;font-size:15px;
}
.btn-red:hover{background:var(--navy-dark);border-color:var(--navy-dark);color:#fff}
.btn-outline-red{
  background:transparent;border:1px solid var(--navy);color:var(--navy);
  border-radius:2px;padding:10px 22px;font-weight:600;font-size:15px;
}
.btn-outline-red:hover{background:var(--navy);color:#fff}
.btn-dark-wide{
  background:var(--navy);color:#fff;border:0;width:100%;
  padding:14px;font-weight:600;font-size:16px;border-radius:2px;
}
.btn-dark-wide:hover{background:var(--navy-dark);color:#fff}

/* ===== Subpage content ===== */
.content-block{padding:44px 0 64px}
.content-block h3{font-size:19px;font-weight:600;margin:28px 0 10px}
.content-block p, .content-block li{font-size:16px;line-height:1.8}

/* ===== Registration schedule ===== */
.schedule-list{background:#fff;border:1px solid var(--line)}
.schedule-list .contest-row{padding:12px 16px;border-bottom:1px solid var(--line);font-size:16px}
.schedule-list .contest-row:last-child{border-bottom:0}
.schedule-list .contest-row strong{color:var(--ink);display:block;margin-bottom:2px;font-weight:600}
.schedule-list .contest-row .time{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:13px;color:var(--muted);line-height:1.7}

/* ===== Contact form ===== */
.contact-meta{font-size:16px;line-height:1.9}
.kcsl-form .form-control{border:1px solid #c9c6bd;border-radius:2px;padding:11px 13px;font-size:16px;box-shadow:none;background:#fff}
.kcsl-form .form-control:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(19,41,75,.12)}
.kcsl-form textarea.form-control{min-height:160px;resize:vertical}
.kcsl-form .field{margin-bottom:16px}

/* ===== Footer ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);color:var(--ink);padding:44px 0 26px}
.site-footer .f-mark{display:block;width:84px;height:29px;--mk-outer:var(--navy);--mk-inner:#fff}
.site-footer .f-tag{font-size:13px;color:var(--muted);margin-top:6px}
.site-footer p{color:var(--muted)!important}
.site-footer h4{
  font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;font-weight:500;
  color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;
}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px;font-size:14px}
.site-footer a{color:var(--ink);text-decoration:none}
.site-footer a:hover{color:var(--navy);text-decoration:underline}
.site-footer .copy{border-top:1px solid var(--line);margin-top:30px;padding-top:16px;font-size:13px;color:var(--muted)}

@media (max-width: 991.98px){
  .kcsl-logo .tag{display:none}
  .kcsl-navbar .nav-link{padding:.5rem 0!important}
  .kcsl-navbar .nav-link.active{box-shadow:none;color:#fff!important;font-weight:600}
  .page-title-band h1{font-size:32px}
  .home-hero{padding:36px 0}
  .home-hero h1{font-size:32px}
  .home-hero p{font-size:17px}
}

.content-block p, .content-block > .container > ul, .content-block .list-group{max-width:820px}