/* SJNS 2026 — page layer.
   ds/styles.css is the design system and stays untouched; this file lays the
   conference pages out on top of it and adds the responsive behaviour the
   fixed-width artboards did not need. All values are the design's own. */

/* ------------------------------------------------------------- primitives */
:root {
  --page-max: 1240px;
  --page-pad: var(--space-8);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

img { max-width: 100%; height: auto; }

/* Every image is a <picture> (AVIF with a WebP fallback). `display: contents`
   makes the wrapper generate no box at all, so rules written against the <img>
   -- .hotel-img's flex sizing, .gallery-tile img's height, .hero-emblem's auto
   margins -- keep matching, and the flex/grid parents see the <img> directly. */
picture { display: contents; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--color-accent); color: var(--color-bg);
  padding: var(--space-2) var(--space-4); border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.small { font-size: 12.5px; }
.strong { font-family: var(--font-heading); font-weight: 600; }
.nowrap { white-space: nowrap; }

.eyebrow {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 600; color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.eyebrow-accent { color: var(--color-accent-700); letter-spacing: 0.18em; }
.eyebrow-warn { color: var(--color-accent-2-800); letter-spacing: 0.18em; }

.rule-heavy { height: 4px; background: var(--color-text); }
.rule-hair { height: 1px; background: var(--color-text); margin-top: 3px; }

/* ----------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(8px);
}
.site-header-plain { position: static; backdrop-filter: none; background: var(--color-bg); }
.site-header-inner {
  max-width: var(--page-max); margin: 0 auto;
  padding: var(--space-3) var(--page-pad) var(--space-2);
  display: flex; align-items: center; gap: var(--space-6);
}
.brand { margin-right: auto; display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand img { height: 72px; width: auto; }
.brand-name {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-accent-700); line-height: 1.5; font-weight: 600;
}
.primary-nav { display: flex; align-items: center; gap: var(--space-6); }
.primary-nav a { font-size: 14.5px; color: var(--color-text); text-decoration: none; }
.primary-nav a:hover { color: var(--color-accent); }
.primary-nav a.btn-primary { color: var(--color-bg); }
.nav-toggle { display: none; }

/* ---------------------------------------------------------------- section */
.section {
  max-width: var(--page-max); margin: 0 auto;
  padding: calc(var(--space-8) * 1.8) var(--page-pad);
}
.section-surface, .section-tinted {
  /* Full-bleed band behind a centred column, without a wrapper element. The
     spread shadow paints the margins either side; an outer shadow is never
     drawn under the element's own box, so the background covers the column. */
  background: var(--color-surface);
  box-shadow: 0 0 0 100vw var(--color-surface);
  clip-path: inset(0 -100vw);
  margin-top: calc(var(--space-8) * 1.6);
}
.section-tinted {
  background: var(--color-neutral-100);
  box-shadow: 0 0 0 100vw var(--color-neutral-100);
}
.section-title { font-size: 46px; line-height: 1.04; letter-spacing: -0.025em; margin: 0; }
.section-title-narrow { max-width: 32ch; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-6); flex-wrap: wrap;
}
.split-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: calc(var(--space-8) * 1.6); }

/* ------------------------------------------------------------------- hero */
.hero { padding-top: 0; padding-bottom: calc(var(--space-8) * 1.6); margin-top: 0; }
.hero-grid {
  display: grid; grid-template-columns: 1.45fr 1fr;
  gap: calc(var(--space-8) * 1.6); padding-top: calc(var(--space-8) * 1.2);
  align-items: start;
}
.hero-title { font-size: 76px; line-height: 0.96; letter-spacing: -0.03em; margin: 0; text-wrap: balance; }
.hero-kicker {
  font-family: var(--font-heading); font-style: italic; font-size: 22px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
  margin: var(--space-3) 0 0;
}
.hero-facts {
  display: grid; grid-template-columns: repeat(2, auto);
  gap: calc(var(--space-8) * 1.1); margin-top: calc(var(--space-8) * 1.1);
  justify-content: start;
}
.fact { font-family: var(--font-heading); font-weight: 600; font-size: 26px; margin-top: var(--space-1); }
.fact-sub { font-size: 14px; color: color-mix(in srgb, var(--color-text) 65%, transparent); }
.hero-cta {
  display: flex; align-items: center; gap: var(--space-4);
  margin-top: calc(var(--space-8) * 1.1); flex-wrap: wrap;
}
.hero-cta-note {
  font-family: var(--font-heading); font-style: italic; font-size: 19px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.btn-lg { font-size: 15px; padding: var(--space-3) calc(var(--space-6) * 1.1); }

.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.countdown-value {
  font-family: var(--font-heading); font-weight: 600; font-size: 52px;
  line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
}
.countdown-seconds { color: var(--color-accent-2-700); }
.countdown-label {
  font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); margin-top: var(--space-1);
}
/* The emblem is deliberately set below full width — see HERO_EMBLEM_WIDTH_PCT. */
.hero-emblem { display: block; height: auto; margin: calc(var(--space-8) * 1.2) auto 0; }

/* ------------------------------------------------------------------ about */
.stat-list { margin-top: var(--space-6); display: grid; gap: var(--space-3); }
.stat { display: flex; align-items: baseline; gap: var(--space-3); }
.stat-value { font-family: var(--font-heading); font-weight: 600; font-size: 30px; }
.prose { max-width: 66ch; }
.prose p { font-size: 17px; line-height: 1.7; color: color-mix(in srgb, var(--color-text) 85%, transparent); text-wrap: pretty; }
.prose-lede { font-size: 23px !important; line-height: 1.5 !important; color: var(--color-text) !important; }
.pull-quote {
  font-family: var(--font-heading); font-style: italic; font-size: 21px; line-height: 1.4;
  color: color-mix(in srgb, var(--color-text) 70%, transparent); margin: var(--space-4) 0 0;
}

/* ----------------------------------------------------------- registration */
.registration-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: calc(var(--space-8) * 1.2); }
.benefit-list { margin: var(--space-4) 0 0; padding: 0; list-style: none; display: grid; gap: var(--space-4); }
.benefit-list li { display: grid; grid-template-columns: 20px 1fr; gap: var(--space-2); font-size: 19px; line-height: 1.45; }
.benefit-list li > span:first-child { color: var(--color-accent-700); }
.fee-list { margin-top: var(--space-4); display: grid; gap: var(--space-4); }
.fee-amount { font-family: var(--font-heading); font-weight: 600; font-size: 40px; line-height: 1; letter-spacing: -0.03em; }
.fee-who { font-size: 15px; color: color-mix(in srgb, var(--color-text) 65%, transparent); margin-top: var(--space-1); }
.fee-cta { margin-top: var(--space-6); display: grid; gap: var(--space-2); justify-items: start; }

/* ------------------------------------------------------------- management */
.people-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-4); margin-top: calc(var(--space-8) * 1.2); }
.person img { aspect-ratio: 3 / 4; object-fit: cover; object-position: center top; width: 100%; border-radius: var(--radius-md); background: var(--color-surface); }
.person-name { font-family: var(--font-heading); font-weight: 600; font-size: 16.5px; line-height: 1.25; margin-top: var(--space-2); }
.person-role { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-accent-700); margin-top: var(--space-1); }
.halftone-img { filter: grayscale(0.35) contrast(1.05); transition: filter 0.4s ease; }
.halftone-img:hover { filter: none; }

/* --------------------------------------------------------------- schedule */
.schedule { margin-top: var(--space-6); }
.day-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.schedule-tabs { display: inline-flex; flex-wrap: wrap; margin-bottom: calc(var(--space-8) * 1.2); }
.schedule-tabs .seg-opt {
  padding: 9px 16px; font-family: var(--font-heading); font-size: 13.5px;
  cursor: pointer; user-select: none;
}
.day-panel { display: none; }
.schedule-panels > .day-panel { display: none; }

/* One rule per possible day index; three exist today, five is ample headroom. */
#day-0:checked ~ .schedule-tabs [for="day-0"],
#day-1:checked ~ .schedule-tabs [for="day-1"],
#day-2:checked ~ .schedule-tabs [for="day-2"],
#day-3:checked ~ .schedule-tabs [for="day-3"],
#day-4:checked ~ .schedule-tabs [for="day-4"] {
  background: var(--color-accent); color: var(--color-bg); font-weight: 600;
}
#day-0:checked ~ .schedule-panels > [data-day="0"],
#day-1:checked ~ .schedule-panels > [data-day="1"],
#day-2:checked ~ .schedule-panels > [data-day="2"],
#day-3:checked ~ .schedule-panels > [data-day="3"],
#day-4:checked ~ .schedule-panels > [data-day="4"] { display: grid; gap: calc(var(--space-8) * 1.4); }

.day-input:focus-visible ~ .schedule-tabs [for="day-0"] { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.session-head { display: flex; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-3); }
.session-title { font-size: 30px; letter-spacing: -0.02em; margin: 0; }
.session-time { font-family: var(--font-heading); font-size: 15px; color: var(--color-accent-700); font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }
.table .col-time { width: 130px; }
.table .col-speaker { width: 30%; }
.talk-time { font-variant-numeric: tabular-nums; color: color-mix(in srgb, var(--color-text) 70%, transparent); white-space: nowrap; vertical-align: top; }
.talk-title { font-size: 16.5px; line-height: 1.45; vertical-align: top; text-wrap: pretty; }
.talk-speaker { font-family: var(--font-heading); font-weight: 600; font-size: 15px; }
.talk-affil { font-style: italic; font-size: 13.5px; color: color-mix(in srgb, var(--color-text) 60%, transparent); line-height: 1.4; }

/* ---------------------------------------------------------- subcommittees */
.boards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--space-8) * 1.2) calc(var(--space-8) * 1.6); margin-top: calc(var(--space-8) * 1.2); }
.board-name { font-size: 24px; letter-spacing: -0.015em; margin: 0 0 var(--space-3); }
.board-members { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-4); }
.board-members li { font-size: 15px; display: flex; align-items: baseline; gap: var(--space-1); flex-wrap: wrap; }
.board-members .tag { font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; }

/* ------------------------------------------------------------------ venue */
.venue-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--space-6); margin-top: calc(var(--space-8) * 1.2); align-items: start; }
.venue-map { width: 100%; height: 460px; border: 0; border-radius: var(--radius-md); display: block; }
.hotel-list { display: grid; gap: var(--space-3); }
.hotel { flex-direction: row; gap: var(--space-3); align-items: stretch; }
.hotel-img { width: 120px; flex: none; object-fit: cover; align-self: stretch; border-radius: var(--radius-md); background: var(--color-neutral-200); }
.hotel-body { display: grid; gap: var(--space-1); align-content: start; }
.hotel-link { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------------------------------------------------------------- gallery */
/* Masonry, not grid. The 15 photos carry eight different aspect ratios (from
   740x1600 to 1422x800); a grid has to pick one row height, so every tile that
   is not that shape gets object-fit: cover'd -- which sliced up to 38% off the
   portraits. Columns let each photo keep its natural height and crop nothing.
   Reading order runs down each column, so the first image stays top-left. */
.gallery-grid { columns: 4; column-gap: var(--space-3); margin-top: calc(var(--space-8) * 1.2); }
.gallery-tile { display: block; break-inside: avoid; margin-bottom: var(--space-3); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); }
.gallery-tile img { display: block; width: 100%; height: auto; filter: saturate(0.92); transition: filter 0.35s ease, transform 0.35s ease; }
.gallery-tile:hover img { filter: none; transform: scale(1.015); }
.lightbox { border: none; padding: 0; background: transparent; max-width: 92vw; max-height: 90vh; }
.lightbox::backdrop { background: color-mix(in srgb, var(--color-neutral-900) 82%, transparent); }
.lightbox img { max-width: 92vw; max-height: 82vh; object-fit: contain; border-radius: var(--radius-md); }
.lightbox-close { margin: var(--space-3) auto 0; display: block; background: var(--color-bg); }

/* ---------------------------------------------------------------- contact */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8) calc(var(--space-8) * 1.6); max-width: 900px; margin-top: calc(var(--space-8) * 1.2); }
.contact-value { font-family: var(--font-heading); font-weight: 600; font-size: 25px; }
.contact-address { font-size: 17px; line-height: 1.6; margin: var(--space-1) 0 0; }

/* ----------------------------------------------------------------- footer */
.site-footer { max-width: var(--page-max); margin: 0 auto; padding: calc(var(--space-8) * 2.4) var(--page-pad) calc(var(--space-8) * 1.4); }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; padding: var(--space-4) 0; }
.footer-brand { display: flex; align-items: center; gap: var(--space-3); }
.footer-brand img { height: 44px; width: auto; }
.footer-org { font-family: var(--font-heading); font-weight: 600; font-size: 18px; }
.footer-tagline { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-accent-700); margin-top: 3px; }
.footer-social { display: flex; gap: var(--space-4); flex-wrap: wrap; font-size: 13px; }
.footer-legal { display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; padding-top: var(--space-3); font-size: 12.5px; }

/* ----------------------------------------------------- registration page */
.register-page, .outcome-page { padding-top: calc(var(--space-8) * 1.2); max-width: 1040px; }
.outcome-page { max-width: 940px; }
.outcome-page-narrow { max-width: 720px; }
.register-strap { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; padding: var(--space-2) 0; }
.register-grid { display: grid; grid-template-columns: 1fr 300px; gap: calc(var(--space-8) * 1.6); padding-top: calc(var(--space-8) * 1.2); align-items: start; }
.register-title { font-size: 54px; line-height: 1.02; letter-spacing: -0.03em; margin: 0 0 var(--space-3); }
.register-form { display: grid; gap: var(--space-6); max-width: 620px; margin-top: calc(var(--space-8) * 1.1); }
.register-form .input { font-size: 17px; min-height: 46px; }
.register-form textarea.input { min-height: 110px; }
.field > label { font-size: 12.5px; }
.label-row { display: flex; align-items: baseline; gap: var(--space-2); flex-wrap: wrap; }
.label-row > label { margin: 0; }
.field-hint { font-size: 12px; color: color-mix(in srgb, var(--color-text) 60%, transparent); margin-top: var(--space-1); }
.field-error { font-size: 13px; color: #a4262c; margin-top: var(--space-1); font-weight: 600; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.email-row { display: flex; gap: var(--space-2); align-items: stretch; }
.email-row .input { flex: 1; min-width: 0; }
.verified-badge { display: inline-flex; align-items: center; padding-inline: var(--space-3); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; white-space: nowrap; }
.code-block { padding-left: var(--space-4); border-left: 2px solid var(--color-accent); }
.code-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.code-row { display: flex; gap: var(--space-2); margin-top: var(--space-3); align-items: stretch; }
.code-input { width: 190px; font-size: 21px; letter-spacing: 0.3em; min-height: 46px; font-variant-numeric: tabular-nums; text-align: center; }
.submit-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; padding-top: var(--space-3); }
.submit-blocked { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.turnstile-row { min-height: 68px; }
.privacy-note { margin: 0; }

/* The honeypot: off-screen for people, present in the DOM for scripts. */
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.notice { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); margin: var(--space-4) 0 0; font-size: 15px; line-height: 1.5; border: 1px solid transparent; }
.notice-info { background: var(--color-neutral-100); border-color: var(--color-divider); }
.notice-success { background: var(--color-accent-2-100); border-color: var(--color-accent-2-300); color: var(--color-accent-2-900); }
.notice-error { background: #fdf1f1; border-color: #f0c9c9; color: #8a1f24; }

.register-aside { position: sticky; top: var(--space-6); display: grid; gap: var(--space-6); }
.aside-fees { display: grid; gap: var(--space-2); margin-top: var(--space-2); }
.aside-fees > div { display: flex; justify-content: space-between; gap: var(--space-2); font-size: 15px; }
.aside-amount { font-family: var(--font-heading); font-weight: 600; }
.aside-list { margin: var(--space-2) 0 0; padding: 0; list-style: none; display: grid; gap: var(--space-2); font-size: 15px; line-height: 1.5; }
.register-aside img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; border-radius: var(--radius-md); }

/* -------------------------------------------------------- outcome pages */
.outcome-title { font-size: 58px; line-height: 1.02; letter-spacing: -0.035em; margin: calc(var(--space-8) * 1.2) 0 var(--space-4); text-wrap: balance; }
.outcome-lede { font-size: 20px; line-height: 1.6; max-width: 62ch; margin: 0 0 calc(var(--space-8) * 1.4); color: color-mix(in srgb, var(--color-text) 85%, transparent); }
.outcome-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: calc(var(--space-8) * 1.4); }
.reference { font-family: var(--font-heading); font-weight: 600; font-size: 44px; letter-spacing: -0.02em; line-height: 1.1; margin-top: var(--space-2); color: var(--color-accent-700); word-break: break-word; }
.outcome-table { margin-top: var(--space-6); }
.next-steps { margin: var(--space-3) 0 0; padding: 0; list-style: none; display: grid; gap: var(--space-4); }
.next-steps li { display: grid; grid-template-columns: 28px 1fr; gap: var(--space-2); font-size: 17px; line-height: 1.55; }
.step-num { font-family: var(--font-heading); font-weight: 600; color: var(--color-accent-700); font-size: 13px; }
.outcome-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: calc(var(--space-8) * 1.1); }
.outcome-help { margin-top: var(--space-4); }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1080px) {
  .hero-title { font-size: 58px; }
  .section-title { font-size: 38px; }
  .outcome-title { font-size: 44px; }
  .register-title { font-size: 40px; }
  .people-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { columns: 3; }
  .venue-grid { grid-template-columns: 1fr; }
  .venue-map { height: 360px; }
  .register-grid { grid-template-columns: 1fr; }
  .register-aside { position: static; }
}

@media (max-width: 860px) {
  :root { --page-pad: var(--space-4); }
  .site-header-inner { flex-wrap: wrap; gap: var(--space-3); }
  .brand img { height: 52px; }
  .brand-name { font-size: 10.5px; }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    display: none; width: 100%; flex-direction: column; align-items: stretch;
    gap: var(--space-3); padding: var(--space-3) 0 var(--space-2);
    border-top: 1px solid var(--color-divider);
  }
  .primary-nav[data-open="true"] { display: flex; }
  .hero-grid, .split-grid, .registration-grid, .outcome-grid, .boards-grid,
  .contact-grid, .field-pair { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero-title { font-size: 40px; }
  .hero-facts { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-emblem { width: 82% !important; }
  .countdown-value { font-size: 38px; }
  .section { padding-block: calc(var(--space-8) * 1.2); }
  .section-title { font-size: 30px; }
  .outcome-title { font-size: 34px; }
  .register-title { font-size: 30px; }
  .reference { font-size: 32px; }
  .session-title { font-size: 23px; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { columns: 2; }
  .board-members { grid-template-columns: 1fr; }
  .hotel { flex-direction: column; }
  .hotel-img { width: 100%; aspect-ratio: 16 / 9; }
  .email-row { flex-wrap: wrap; }
  .email-row .input { flex-basis: 100%; }
  .code-row { flex-wrap: wrap; }
  .code-input { width: 100%; }
  .submit-row .btn, .submit-blocked .btn { width: 100%; }
  .prose-lede { font-size: 19px !important; }
  .table { font-size: 13px; }
}

/* ---------------------------------------------------------------- print */
@media print {
  .site-header, .site-footer, .outcome-actions, .skip-link, .nav-toggle { display: none !important; }
  .section-surface, .section-tinted { background: transparent; box-shadow: none; }
  body { background: #fff; }
  .outcome-page { max-width: none; padding: 0; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 10px; }
}