/* ICESTEM 2027 - site stylesheet
   Palette: ink #12233f, blue #1d4e89, teal #17706b, amber #d9a21b, surface #f3f5f8 */
:root {
  --ink: #12233f;
  --blue: #1d4e89;
  --blue-dark: #153a68;
  --teal: #17706b;
  --amber: #d9a21b;
  --surface: #f3f5f8;
  --paper: #ffffff;
  --line: #d3dae4;
  --text: #1c2430;
  --muted: #55606f;
  --serif: Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 980px;
  --read: 80ch;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65; color: var(--text); background: var(--surface); }
img, svg { max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: 2px; }
a:hover { color: var(--blue-dark); }
:focus-visible { outline: 3px solid var(--blue); box-shadow: 0 0 0 5px #fff; outline-offset: 2px; border-radius: 2px; }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--amber); color: var(--ink); padding: 10px 16px; font-weight: 600; border-radius: 0 0 6px 6px; }
.skip-link:focus { top: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Header and navigation */
.site-header { background: var(--ink); color: #fff; }
.site-header .wrap { display: flex; align-items: center; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; }
.brand:hover { color: #fff; }
.brand img { width: 46px; height: 46px; flex: none; }
.brand-name { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; line-height: 1.1; letter-spacing: .01em; display: block; }
.brand-sub { display: block; font-size: .8rem; color: #c4d0e2; line-height: 1.35; max-width: 46ch; margin-top: 3px; }
.header-meta { margin-left: auto; text-align: right; font-size: .9rem; color: #dbe4f0; line-height: 1.4; }
.header-meta strong { display: block; color: #fff; font-weight: 600; }

.site-nav { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-nav .wrap { display: flex; align-items: center; }
.menu-toggle { display: none; margin: 8px 0; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; }
.menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px; }
.menu a { display: block; padding: 14px 16px; color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem; border-bottom: 3px solid transparent; }
.menu a:hover { background: var(--surface); color: var(--blue); }
.menu a[aria-current="page"] { border-bottom-color: var(--amber); font-weight: 700; }

/* Hero (home) */
.hero { background: var(--ink); color: #fff; padding: 56px 0 64px; border-top: 1px solid rgba(255,255,255,.12); }
.hero .wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.hero h1 { font-family: var(--serif); font-size: clamp(1.75rem, 3.3vw, 2.4rem); line-height: 1.15; margin: 0 0 20px; font-weight: 700; }
.hero-lead { font-size: 1.12rem; color: #dbe4f0; max-width: 54ch; margin: 0 0 24px; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 28px; margin: 0 0 28px; padding: 18px 0 0; border-top: 2px solid var(--amber); }
.facts div { min-width: 0; }
.facts dt { font-size: .82rem; color: #aebcd2; margin: 0; }
.facts dd { margin: 2px 0 0; font-weight: 600; color: #fff; overflow-wrap: anywhere; }
.hero figure { margin: 0; }
.hero img { width: 100%; max-width: 460px; margin: 0 auto; display: block; }

/* Inner page title */
.page-title { background: var(--ink); color: #fff; padding: 28px 0 34px; }
.page-title h1 { font-family: var(--serif); font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin: 6px 0 8px; line-height: 1.15; }
.page-title p { margin: 0; color: #dbe4f0; max-width: 70ch; }
.breadcrumbs { font-size: .9rem; color: #c4d0e2; }
.breadcrumbs a { color: #fff; }
.breadcrumbs .separator { margin: 0 6px; }

/* Content */
main { display: block; }
.content { padding: 40px 0 56px; }
.content section { margin: 0 0 40px; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 32px 36px; margin-bottom: 28px; }
.panel > :first-child { margin-top: 0; }
.panel > :last-child { margin-bottom: 0; }
h2, h3, h4 { font-family: var(--serif); color: var(--ink); line-height: 1.25; }
h2 { font-size: 1.65rem; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--amber); display: inline-block; }
h3 { font-size: 1.22rem; margin: 26px 0 8px; }
h4 { font-size: 1.05rem; margin: 18px 0 6px; }
p { margin: 0 0 1em; max-width: var(--read); }
ul, ol { padding-left: 1.3em; max-width: var(--read); }
li { margin-bottom: .45em; }
.lead { font-size: 1.15rem; color: var(--muted); }

/* Cards */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 20px; margin-top: 18px; }
.card { background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--teal); border-radius: 6px; padding: 20px 22px; }
.card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.card p, .card ul { font-size: .97rem; margin-bottom: .6em; }
.card > :last-child { margin-bottom: 0; }
.card.is-blue { border-left-color: var(--blue); }

.grid-cards.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
ul.cols { columns: 2; column-gap: 36px; max-width: none; }
ul.cols li { break-inside: avoid; }
@media (max-width: 640px) { .grid-cards.two { grid-template-columns: 1fr; } ul.cols { columns: 1; } }

/* Information boxes */
.info-box { border: 1px solid var(--line); border-left: 5px solid var(--blue); background: #eef3fa; border-radius: 6px; padding: 16px 20px; margin: 20px 0; }
.info-box h3, .info-box h4 { margin: 0 0 6px; font-size: 1.05rem; }
.info-box p:last-child { margin-bottom: 0; }
.info-box.pending { border-left-color: var(--amber); background: #fcf6e6; }
.info-box.warning { border-left-color: #b4501f; background: #fbefe8; }
.info-box.success { border-left-color: var(--teal); background: #eaf5f3; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: .98rem; }
caption { text-align: left; padding: 12px 16px; font-weight: 600; color: var(--ink); }
th, td { padding: 12px 16px; text-align: left; border-top: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--ink); color: #fff; border-top: 0; font-weight: 600; }
tbody tr:nth-child(even) { background: #f7f9fb; }
td.num, th.num { text-align: right; white-space: nowrap; }
.tba { color: var(--muted); font-style: italic; }

/* Buttons */
.btn { display: inline-block; padding: 11px 22px; border-radius: 6px; font-weight: 600; text-decoration: none; border: 2px solid transparent; font-size: 1rem; line-height: 1.3; }
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: #e6b23a; color: var(--ink); }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--ink); }
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: var(--blue-dark); color: #fff; }
.btn-ghost { border-color: var(--blue); color: var(--blue); }
.btn-ghost:hover { background: var(--blue); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }

/* FAQ accordion (native details/summary) */
.faq-category { margin-top: 34px; }
details { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; margin-bottom: 10px; }
summary { cursor: pointer; list-style: none; padding: 15px 52px 15px 20px; font-weight: 600; color: var(--ink); position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-52%); font-size: 1.5rem; color: var(--blue); line-height: 1; }
details[open] > summary { border-bottom: 1px solid var(--line); }
details[open] > summary::after { content: "\2212"; }
summary:hover { background: var(--surface); }
.answer { padding: 14px 20px 6px; }
.answer h3 { font-size: 1.05rem; margin: 14px 0 4px; }
.answer h3:first-child { margin-top: 0; }

/* Address and contact blocks */
.address-block { background: var(--surface); border: 1px dashed #98a6bb; border-radius: 6px; padding: 16px 20px; font-style: normal; margin: 16px 0; max-width: var(--read); }
.contact-line { overflow-wrap: anywhere; }

/* Footer */
.site-footer { background: var(--ink); color: #dbe4f0; padding: 36px 0 28px; font-size: .95rem; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-size: 1rem; color: #fff; border: 0; padding: 0; margin: 0 0 10px; display: block; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .3em; }
.site-footer p { max-width: none; margin-bottom: .6em; }
.footer-bottom { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.18); font-size: .85rem; color: #aebcd2; }

.back-to-top { position: fixed; right: 20px; bottom: 20px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--ink); color: #fff; font-size: 1.3rem; cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .2s ease; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.back-to-top.show { opacity: 1; visibility: visible; }

/* Responsive */
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .hero img { max-width: 360px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .header-meta { display: none; }
}
@media (max-width: 760px) {
  .js .menu-toggle { display: block; }
  .site-nav .wrap { flex-wrap: wrap; }
  .js .menu { display: none; width: 100%; flex-direction: column; padding-bottom: 8px; }
  .js .menu.open { display: flex; max-height: 65vh; max-height: 65dvh; overflow-y: auto; }
  .menu a { border-bottom: 0; border-left: 4px solid transparent; padding: 12px 14px; }
  .menu a[aria-current="page"] { border-left-color: var(--amber); }
}
@media (max-width: 600px) {
  body { font-size: 1rem; }
  .wrap { padding: 0 16px; }
  .panel { padding: 22px 18px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 1.3rem; }
  .facts { grid-template-columns: 1fr; }
  .hero { padding: 36px 0 44px; }
  th, td { padding: 10px 12px; }
  h2 { font-size: 1.4rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
@media print {
  .site-nav, .back-to-top, .skip-link, .btn-row { display: none; }
  body { background: #fff; }
  .site-header, .hero, .page-title, .site-footer { background: #fff; color: #000; }
  .site-header *, .hero *, .page-title *, .site-footer * { color: #000 !important; }
}

/* Keep anchor targets below sticky navigation. */
html { scroll-padding-top: 90px; }
[id] { scroll-margin-top: 90px; }
main:focus { outline: none; box-shadow: none; }
.space-top { margin-top: 16px; }
.mobile-event { display: none; background: var(--ink); color: #dbe4f0; padding: 10px 0; font-size: .9rem; }
.section-nav { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 18px 0 28px; }
.table-wrap:focus-visible { outline-offset: 3px; }
@media (max-width: 900px) { .mobile-event { display: block; } }
@media (max-width: 760px) { html { scroll-padding-top: 75px; } [id] { scroll-margin-top: 75px; } }
@media print {
  .mobile-event, .section-nav { display: none; }
  details > .answer { display: block !important; }
  details { break-inside: avoid; }
  summary::after { content: none; }
  .hero figure { display: none; }
}

/* Conference refinement: stronger hierarchy within the established identity. */
:root{--wrap:1160px;--read:74ch}
.site-header .wrap{padding-top:20px;padding-bottom:20px}.brand-name{font-size:1.65rem}.brand-sub{max-width:49ch;font-size:.75rem}.header-meta{font-size:.88rem}
.hero{padding:65px 0 70px}.hero .wrap{grid-template-columns:minmax(0,1.5fr) minmax(250px,.75fr);gap:60px}.hero h1{font-size:clamp(2.05rem,3.1vw,3rem);line-height:1.17;letter-spacing:-.025em}.hero-edition{color:#f0c76a;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;font-weight:650;margin-bottom:18px}.hero-lead{font-size:1.06rem;max-width:56ch;line-height:1.8}.hero figure{padding:15px;border:1px solid #ffffff20;border-radius:18px;background:#ffffff04}.hero img{max-width:365px}.facts{font-size:.94rem;gap:12px 24px}.facts dt{font-size:.72rem;letter-spacing:.05em}.btn{border-radius:5px;padding:12px 21px}.hero .btn-primary{box-shadow:0 5px 20px #0002}
.conference-dates{background:#fff;border-bottom:1px solid var(--line)}.conference-dates .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:0}.conference-dates a{padding:24px 24px 24px 0;text-decoration:none;border-right:1px solid var(--line);margin-right:24px;display:flex;flex-direction:column;gap:5px}.conference-dates a:last-child{border:0;margin:0}.conference-dates span{font-size:.71rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}.conference-dates strong{font-size:1.07rem;color:var(--ink)}.conference-dates a:hover strong{text-decoration:underline;text-underline-offset:4px}
.content{padding:54px 0 65px}.content section{margin-bottom:40px}.panel{padding:34px 38px;border-radius:10px;border-color:#dce2ea;box-shadow:0 2px 12px #12233f03}h2{font-size:1.8rem;border-bottom:0;padding-bottom:0;letter-spacing:-.015em;margin-bottom:18px}h2::before{content:'';display:block;width:38px;height:3px;background:var(--amber);margin-bottom:13px}.site-footer h2::before{display:none}h3{font-size:1.18rem}.section-kicker{font-size:.71rem;text-transform:uppercase;letter-spacing:.14em;color:var(--teal);font-weight:700;margin-bottom:10px}.text-link{font-weight:650;display:inline-block;margin-top:7px}.audience-line{padding:0 6px}.audience-line p{max-width:90ch}.grid-cards{gap:18px}.card{border-left-width:3px;padding:23px;background:#fff}.card h3{line-height:1.35}.card p{line-height:1.7;font-size:.92rem}.compact-panel p{max-width:88ch}.section-nav{background:#fff;padding:18px 22px;border:1px solid var(--line);border-radius:7px;gap:10px 22px;position:relative}.section-nav a{font-size:.9rem;font-weight:550}.page-title{padding:32px 0 40px}.page-title h1{font-size:clamp(2rem,3.8vw,2.8rem)}.info-box{border-radius:6px;border-left-width:3px}.table-wrap{border-radius:8px}table{font-size:.93rem}caption{font-size:.88rem}th,td{padding:14px 17px}.fee-examples{padding:20px 24px;border:1px solid #cbd9e4;background:#f5f8fb;margin-top:26px;border-radius:7px}.fee-examples h3{margin:0 0 12px}.fee-examples p,.fee-examples li{font-size:.93rem}.map-links{display:flex;flex-wrap:wrap;gap:12px 24px}.map-links a{font-size:.9rem}.address-block{border-style:solid;border-color:var(--line);border-left:3px solid var(--teal);padding:20px 24px}.document-guidance{font-size:.93rem}.program-days{display:none}.footer-grid{gap:45px}.site-footer{padding:45px 0 30px}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:35px}.hero figure{max-width:370px;padding:7px}.hero img{max-width:300px}.hero{padding:45px 0}.hero h1{max-width:30ch}.footer-grid{gap:25px}}
@media(max-width:700px){.js .program-table{display:none}.program-days{display:grid;gap:16px}.program-days article{border:1px solid var(--line);border-top:3px solid var(--amber);border-radius:7px;padding:20px;background:#fff}.program-days h3{margin:0 0 18px;font-size:1.15rem}.program-days dl{margin:0}.program-days dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--teal);margin-top:14px}.program-days dd{margin:4px 0 0;font-size:.94rem}.panel{padding:24px}.conference-dates a{margin-right:15px;padding:20px 15px 20px 0}.conference-dates span{font-size:.65rem}.conference-dates strong{font-size:.93rem}.content{padding-top:35px}.section-nav{padding:15px}.hero figure{max-width:310px}.hero img{max-width:260px}}
@media(max-width:480px){.conference-dates .wrap{grid-template-columns:1fr}.conference-dates a{border-right:0;border-bottom:1px solid var(--line);padding:15px 0;margin:0;display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center}.conference-dates span{font-size:.65rem}.conference-dates strong{font-size:.9rem}.hero h1{font-size:1.95rem}.hero figure{display:none}.hero-lead{font-size:1rem}.panel{padding:22px 18px}.grid-cards{grid-template-columns:1fr}.fee-examples{padding:18px}.btn-row .btn{width:100%;text-align:center}.facts{font-size:.9rem}.page-title h1{font-size:2rem}.card{padding:20px}}
@media print{.program-days,.conference-dates{display:none!important}.program-table{display:block!important}.panel{box-shadow:none}.site-footer{padding:20px 0}}