/* MSH ASM 2027 — shared styles for every page.
   Layout: floating pill header → red canvas banner → cream content sections → red footer.
   Single light brand look (MSH crimson / maroon / cream). */
:root {
  --crimson: #c12b32;
  --maroon: #740c0c;
  --maroon-2: #8f1a1a;
  --cream: #fffaf0;
  --blush: #fbe9e7;
  --rose: #ecb4b4;
  --rose-soft: #fff0f0;
  --white: #ffffff;
  --text: #1c1c1c;
  --muted: #555555;
  --gold: #f5b82e;
  --green: #bfe3b4;
  --sky: #cfe6f7;
  --lilac: #f3d4ec;
  --butter: #fde7a8;       /* meal / break rows */
  --butter-line: #f5cf63;
  --disabled-bg: #e3d6d6;
  --disabled-fg: #6f5a5a;
  --tier-plat: #d4d4d4;
  --tier-gold: #e2a24a;
  --tier-silver: #173a63;
  --tier-std: #cfe6f7;

  --f-display: "Urbanist", "Segoe UI", system-ui, sans-serif;   /* stand-in for Allomira */
  --f-body: "Hanken Grotesk", "Segoe UI", system-ui, sans-serif;
  --wrap: 1220px;          /* ≈1185px of content plus gutters, same as the 2026 site on large screens */
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--text); font: 400 1rem/1.6 var(--f-body); }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
img { max-width: 100%; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
p { margin: 0 0 1rem; }
a { color: var(--crimson); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--maroon); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

.wrap {
  max-width: var(--wrap); margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; left: 0; right: 0; top: calc(env(safe-area-inset-top, 0px) + 20px); z-index: 40;
  padding-left: max(16px, 3vw, env(safe-area-inset-left, 0px));
  padding-right: max(16px, 3vw, env(safe-area-inset-right, 0px));
}
.bar {
  position: relative; min-height: 72px;
  display: flex; align-items: center; gap: 1rem;
  padding: 0.55rem 1rem 0.55rem 1.25rem; border-radius: 999px;
  background: linear-gradient(90deg, var(--cream) 0%, rgba(255, 250, 240, 0.44) 100%);
  backdrop-filter: blur(6px);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
.bar-actions { margin-left: auto; }

/* Desktop navigation */
.nav-desk { display: flex; align-self: stretch; margin-left: 1.5rem; }
.nav-desk .top {
  display: flex; align-items: center; gap: 0.55rem; height: 100%;
  padding: 0 1.25rem; border: 0; border-bottom: 3px solid transparent; background: none; cursor: pointer;
  font: 600 1.2rem/1 var(--f-display); color: #000; text-decoration: none; white-space: nowrap;
}
.nav-desk .top:hover, .nav-desk .dd.open .top { color: var(--crimson); }
.nav-desk .top.on { color: var(--crimson); border-bottom-color: var(--crimson); }
.nav-desk .top svg { width: 12px; height: 8px; transition: transform .15s; }
.dd { position: relative; display: flex; }
.dd.open .top svg, .dd:hover .top svg { transform: rotate(180deg); }
.dd-menu {
  display: none; position: absolute; left: 0; top: 100%; min-width: 15.5rem; z-index: 5;
  background: var(--white); border-radius: 12px; padding: 0.5rem; box-shadow: 0 12px 32px rgba(116, 12, 12, 0.22);
}
.dd:hover .dd-menu, .dd:focus-within .dd-menu, .dd.open .dd-menu { display: block; }
.dd-menu a { display: block; padding: 0.65rem 0.9rem; border-radius: 8px; color: var(--text); text-decoration: none; font-weight: 600; white-space: nowrap; }
.dd-menu a:hover { background: var(--blush); color: var(--crimson); }
.dd-menu a[aria-current="page"] { color: var(--crimson); background: var(--rose-soft); }

@media (min-width: 1101px) { .menu-btn, .menu { display: none !important; } }
@media (max-width: 1100px) { .nav-desk { display: none; } .bar { min-height: 0; padding: 0.5rem 0.9rem 0.5rem 1rem; } }
.brand { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; color: var(--crimson); }
.brand .mark {
  width: 46px; height: 46px; border-radius: 50%; flex: none; border: 2px solid var(--crimson);
  display: grid; place-items: center; font: 800 0.8rem/1 var(--f-display); color: var(--crimson); background: var(--white);
}
.brand .logo-img { height: 54px; width: auto; display: block; }
.brand:has(.logo-img) .mark, .brand:has(.logo-img) .name { display: none; }
.brand .name { font: 700 0.78rem/1.15 var(--f-body); }
.bar-actions { display: flex; align-items: center; gap: 0.6rem; flex: none; }
.bar-actions .btn-sm { font-size: 1rem; padding: 0.6rem 1.25rem; }
.menu-btn { width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; cursor: pointer; display: grid; place-items: center; color: var(--text); }
.menu-btn:hover { background: var(--blush); }
.menu-btn svg { width: 22px; height: 22px; }
.menu {
  position: absolute; right: 0.5rem; top: calc(100% + 0.5rem); width: min(20rem, calc(100vw - 32px));
  max-height: calc(100vh - 120px); overflow-y: auto;
  background: var(--white); border-radius: 16px; padding: 0.6rem; box-shadow: 0 12px 32px rgba(116, 12, 12, 0.22);
}
.menu a { display: block; padding: 0.6rem 0.85rem; border-radius: 8px; text-decoration: none; color: var(--text); font-weight: 600; }
.menu a:hover { background: var(--blush); color: var(--crimson); }
.menu a[aria-current="page"] { color: var(--crimson); background: var(--rose-soft); }
.menu .group { font: 700 0.72rem/1 var(--f-body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 0.9rem 0.85rem 0.35rem; }
.menu .sub a { padding-left: 1.4rem; font-weight: 500; }

/* ---------- Buttons ---------- */
.btn {
  min-height: 44px;
  display: inline-flex; align-items: center; justify-content: center; text-align: center;
  font: 500 1.05rem/1.2 var(--f-body); text-decoration: none; cursor: pointer;
  padding: 0.75rem 1.5rem; border-radius: 100px; border: 1px solid var(--crimson);
  transition: background-color .15s, color .15s;
}
.btn-fill { background: var(--crimson); color: var(--white); }
.btn-fill:hover { background: var(--maroon-2); border-color: var(--maroon-2); }
.btn-line { background: var(--white); color: var(--crimson); }
.btn-line:hover { background: var(--crimson); color: var(--white); }
.btn-sm { font-size: 0.95rem; padding: 0.45rem 0.95rem; white-space: nowrap; }
.btn[aria-disabled="true"] { background: var(--disabled-bg); border-color: var(--disabled-bg); color: var(--disabled-fg); pointer-events: none; }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2.5rem; margin-top: 2.5rem; }

/* ---------- Banner (inner pages) and hero (home) ---------- */
.banner { position: relative; overflow: hidden; color: var(--white); background: radial-gradient(ellipse at 70% 40%, #d8343c 0%, #b0242b 45%, #7d1015 100%); }
.banner canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(110, 10, 14, .55), rgba(110, 10, 14, 0) 60%); pointer-events: none; }
.banner .wrap { position: relative; z-index: 1; padding-block: 10.5rem 6rem; }
.banner h1 { font: 800 clamp(2rem, 5.5vw, 3.6rem)/1.05 var(--f-display); text-transform: uppercase; text-shadow: 0 2px 18px rgba(80, 0, 0, .35); }

.hero .wrap { padding-block: 9.5rem 5rem; }
.edition { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.edition .num { font: 800 clamp(3.5rem, 9vw, 6rem)/0.9 var(--f-display); letter-spacing: -0.03em; }
.edition .num sup { font-size: 0.32em; vertical-align: top; position: relative; top: 0.3em; margin-left: 0.05em; }
.edition .org { font: 700 clamp(0.95rem, 2vw, 1.35rem)/1.25 var(--f-display); text-transform: uppercase; letter-spacing: 0.04em; }
.edition .org span { display: block; font-weight: 600; }
.hero .theme { font: 800 clamp(2.4rem, 7vw, 5rem)/1 var(--f-display); text-transform: uppercase; margin: 1.5rem 0 2rem; max-width: 14ch; text-shadow: 0 2px 24px rgba(80, 0, 0, .35); }
.hero .when { font: 600 clamp(1.15rem, 2.6vw, 1.8rem)/1.3 var(--f-display); text-transform: uppercase; letter-spacing: 0.03em; }

.countdown { background: var(--maroon); color: var(--white); }
.countdown .wrap { padding-block: 1.75rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; text-align: center; max-width: 760px; }
.countdown b { display: block; font: 800 clamp(2rem, 6vw, 3.25rem)/1 var(--f-display); font-variant-numeric: tabular-nums; }
.countdown span { font-size: 0.95rem; }

/* ---------- Sections ---------- */
.block { padding-block: 3.5rem; }
.block + .block { padding-top: 1rem; }
.section-title {
  text-align: center; color: var(--maroon); font: 900 1.6rem/1.25 var(--f-body);
  padding-bottom: 1rem; margin-bottom: 1.75rem; border-bottom: 1px solid var(--text);
}
.prose { text-align: justify; hyphens: auto; }
.prose p { margin-bottom: 1rem; }
.lead-in { margin-bottom: 1.5rem; }
.placeholder { background: repeating-linear-gradient(135deg, #f3e3dc, #f3e3dc 10px, #f8ece6 10px, #f8ece6 20px); color: var(--muted); display: grid; place-items: center; text-align: center; font-size: 0.9rem; padding: 1rem; }
/* Editing marker for content still to be supplied: remove each one before launch */
.todo { background: var(--butter); outline: 1px dashed var(--gold); padding: 0.1rem 0.35rem; border-radius: 3px; }

/* Pill label used for committee roles, travel column heads, etc. */
.pill-head { background: var(--maroon); color: var(--white); text-align: center; font: 700 1rem/1.4 var(--f-body); padding: 0.55rem 1rem; border-radius: 999px; margin-bottom: 1rem; }

/* ---------- Person cards (speakers, committee) ---------- */
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); gap: 2.5rem 1.5rem; }
.person { text-align: center; background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: default; }
button.person { cursor: pointer; }
.person .photo {
  width: 136px; height: 136px; margin: 0 auto 0.9rem; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--crimson); background: var(--white); display: grid; place-items: center;
  font: 800 1.6rem/1 var(--f-display); color: var(--crimson);
}
.person .photo img { width: 100%; height: 100%; object-fit: cover; }
button.person:hover .photo { box-shadow: 0 0 0 4px var(--rose); }
.person h3 { font: 700 1.1rem/1.3 var(--f-body); }
.person p { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }

/* ---------- Generic card + modal ---------- */
.card { background: var(--white); border: 1px solid var(--crimson); padding: 1.1rem 1.25rem; }
.card h3 { font: 700 1rem/1.4 var(--f-body); margin-bottom: 0.35rem; }
.card ul { margin: 0.25rem 0 0.75rem; padding-left: 1.2rem; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.modal-bg {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; background: rgba(40, 0, 0, .55);
  padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
}
.modal { position: relative; width: 100%; max-width: 34rem; max-height: 85vh; overflow-y: auto; background: var(--white); border-radius: 12px; padding: 2rem 1.75rem; }
.modal .x { position: absolute; top: 0.5rem; right: 0.5rem; width: 2.2rem; height: 2.2rem; border: 0; background: transparent; font-size: 1.4rem; cursor: pointer; border-radius: 50%; }
.modal .x:hover { background: var(--blush); }

/* ---------- Footer ---------- */
footer { background: var(--crimson); color: var(--white); }
footer .wrap { padding-block: 1.1rem; display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; align-items: center; justify-content: space-between; }
footer small { font-size: 0.9rem; font-weight: 500; }
.social { display: flex; gap: 0.6rem; }
.social a { width: 44px; height: 44px; border-radius: 50%; background: var(--white); color: var(--crimson); display: grid; place-items: center; }
.social svg { width: 16px; height: 16px; fill: currentColor; }

/* ---------- Accessibility helpers ---------- */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip {
  position: fixed; left: max(16px, env(safe-area-inset-left, 0px)); top: calc(env(safe-area-inset-top, 0px) + 8px); z-index: 100;
  background: var(--maroon); color: var(--white); font-weight: 700; padding: 0.7rem 1.1rem; border-radius: 999px;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

/* ---------- Image slots: a file dropped into assets/images covers the placeholder; missing files fall back to it ---------- */
.img-slot { position: relative; overflow: hidden; }
.img-slot > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner.has-img { background-size: cover; background-position: center; }
.banner.has-img canvas { display: none; }