/* ==========================================================================
   SpeD 2027: Signal theme
   Plain CSS. No external dependencies.
   ========================================================================== */

/* ---------------------------------------------------------------- fonts */
/*
   Every family ships as a latin + latin-ext subset pair. unicode-range sends
   each character to the file that has its glyph: â/î come from latin, ă/ș/ț
   from latin-ext, so Romanian names stay in the same family instead of
   falling back to a system font.
*/
@font-face {
  font-family: "Sora";
  src: url("../fonts/sora-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Sora";
  src: url("../fonts/sora-latin-ext-wght-normal.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-ext-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-ext-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}

/* ---------------------------------------------------------------- tokens */
:root {
  --font-display: "Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;

  --ink: #08131c;
  --ink-2: #0e1e29;
  --ink-3: #162b38;
  --paper: #f5f3ee;
  --paper-2: #efece4;
  --surface: #ffffff;
  --text: #17242c;
  --muted: #5b6b75;
  --line: #dce3e7;
  --line-strong: #c4d0d6;

  --brand: #00a3e0;
  --brand-deep: #0077a8;
  --brand-soft: #e6f6fd;
  --signal: #d7ff63;
  --amber: #f2b33d;
  --amber-soft: #fdf3dd;
  --success: #2e9e6b;
  --success-soft: #e8f7f0;
  --danger: #b94338;
  --danger-soft: #fbeceb;

  --radius-xs: 7px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(8, 19, 28, 0.06);
  --shadow: 0 18px 40px -24px rgba(8, 19, 28, 0.28);
  --shadow-lg: 0 40px 80px -40px rgba(8, 19, 28, 0.42);

  --container: 1240px;
  --gutter: clamp(18px, 4vw, 32px);
  --header-h: 84px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------------------------------------------------------------- reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}
body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.68;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.nav-open,
body.modal-open {
  overflow: hidden;
}
img,
svg,
picture {
  display: block;
  max-width: 100%;
}
img {
  height: auto;
}
a {
  color: var(--brand-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover {
  color: var(--ink);
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-wrap: balance;
}
p {
  margin: 0 0 1em;
}
p:last-child {
  margin-bottom: 0;
}
ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}
li {
  margin: 0.35em 0;
}
figure {
  margin: 0;
}
hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.5rem 0;
}
::selection {
  background: var(--brand);
  color: #fff;
}
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 3px;
}
[hidden] {
  display: none !important;
}

/* ---------------------------------------------------------------- utilities */
.u-container {
  width: min(var(--container), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}
.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.u-skip {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}
.u-skip:focus {
  transform: translateY(0);
  color: #fff;
}
.u-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.4;
}
.u-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--brand);
  border-radius: 1px;
}
.u-eyebrow--light {
  color: rgba(255, 255, 255, 0.66);
}
.u-eyebrow--light::before {
  background: var(--signal);
}
.u-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.u-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.62;
  color: var(--ink);
}
.u-muted {
  color: var(--muted);
}
.u-mt-0 {
  margin-top: 0 !important;
}
.u-mb-0 {
  margin-bottom: 0 !important;
}
.u-center {
  text-align: center;
}
.u-nowrap {
  white-space: nowrap;
}

/* ---------------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  --btn-border: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover {
  --btn-bg: var(--brand);
  --btn-fg: var(--ink);
  --btn-border: var(--brand);
  color: var(--ink);
  transform: translateY(-1px);
}
.btn svg {
  width: 17px;
  height: 17px;
  flex: none;
  transition: transform 0.2s var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}
.btn--sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.8125rem;
}
.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-border: var(--line-strong);
}
.btn--outline:hover {
  --btn-bg: var(--ink);
  --btn-fg: #fff;
  --btn-border: var(--ink);
  color: #fff;
}
.btn--light {
  --btn-bg: #fff;
  --btn-fg: var(--ink);
  --btn-border: #fff;
}
.btn--light:hover {
  --btn-bg: var(--brand);
  --btn-fg: var(--ink);
  --btn-border: var(--brand);
}
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  --btn-border: transparent;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  font-size: 0.875rem;
}
.btn--ghost:hover {
  --btn-bg: transparent;
  --btn-fg: var(--brand-deep);
  --btn-border: transparent;
  transform: none;
}
.btn--ghost svg {
  width: 15px;
  height: 15px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brand-deep);
  white-space: nowrap;
}
.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s var(--ease);
}
.link-arrow:hover svg {
  transform: translateX(4px);
}

/* ---------------------------------------------------------------- chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
}
.chip--brand {
  background: var(--brand-soft);
  border-color: rgba(0, 163, 224, 0.25);
  color: var(--brand-deep);
}
.chip--amber {
  background: var(--amber-soft);
  border-color: rgba(242, 179, 61, 0.35);
  color: #7a5200;
}
.chip--live {
  background: var(--success-soft);
  border-color: rgba(46, 158, 107, 0.3);
  color: #196b47;
}
.chip__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* ---------------------------------------------------------------- notice */
.notice {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.notice svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 2px;
  color: var(--brand-deep);
}
.notice p {
  margin: 0;
}
.notice--amber {
  border-left-color: var(--amber);
  background: var(--amber-soft);
}
.notice--amber svg {
  color: #8a5d00;
}
.notice--danger {
  border-left-color: var(--danger);
  background: var(--danger-soft);
}
.notice--danger svg {
  color: var(--danger);
}
.notice--success {
  border-left-color: var(--success);
  background: var(--success-soft);
}
.notice--success svg {
  color: var(--success);
}

/* ==========================================================================
   Header
   ========================================================================== */
.utility {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 34px;
}
.utility__group {
  display: flex;
  align-items: center;
  gap: 18px;
}
.utility__group a {
  color: inherit;
  text-decoration: none;
}
.utility__group a:hover {
  color: var(--signal);
}
.utility__sep {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.2);
}
.utility__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--signal);
}
.utility__live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(215, 255, 99, 0.16);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(245, 243, 238, 0.97);
  border-bottom: 1px solid rgba(8, 19, 28, 0.08);
  transition: box-shadow 0.25s var(--ease);
  overflow-anchor: none;
}
.site-header.is-scrolled {
  box-shadow: 0 12px 28px -24px rgba(8, 19, 28, 0.45);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: var(--header-h);
}

/* brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover {
  color: var(--ink);
}
.brand__mark {
  width: 44px;
  height: 44px;
  flex: none;
  transition: transform 0.3s var(--ease);
}
.brand:hover .brand__mark {
  transform: rotate(-4deg) scale(1.03);
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand__word {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.045em;
}
.brand__year-inline {
  font-weight: 400;
  color: var(--brand);
}
.brand__year {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.brand--footer .brand__word {
  color: #fff;
}
.brand--footer .brand__year-inline {
  color: var(--signal);
}
.brand--footer .brand__year {
  color: var(--signal);
}
.brand--footer:hover .brand__word {
  color: #fff;
}

/* desktop nav */
.primary-nav {
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-item {
  position: relative;
  margin: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 11px;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}
.nav-link:hover,
.nav-link[aria-expanded="true"] {
  color: var(--brand-deep);
  background: rgba(0, 163, 224, 0.08);
}
.nav-link.is-active {
  color: var(--brand-deep);
}
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.nav-link svg {
  width: 11px;
  height: 11px;
  transition: transform 0.2s var(--ease);
}
.nav-link[aria-expanded="true"] svg {
  transform: rotate(180deg);
}
/* split link + caret for dropdown parents that are also pages */
.nav-split {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.nav-split .nav-link {
  padding-right: 4px;
}
.nav-caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}
.nav-caret:hover,
.nav-caret[aria-expanded="true"] {
  color: var(--brand-deep);
  background: rgba(0, 163, 224, 0.08);
}
.nav-caret svg {
  width: 11px;
  height: 11px;
  transition: transform 0.2s var(--ease);
}
.nav-caret[aria-expanded="true"] svg {
  transform: rotate(180deg);
}
.nav-split .nav-link.is-active + .nav-caret,
.nav-caret.is-active {
  color: var(--brand-deep);
}
.header-cta {
  flex: none;
}

/* dropdown */
.nav-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  width: 260px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
}
.nav-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -8px;
  height: 8px;
}
.nav-item.is-open .nav-panel,
.nav-item:hover .nav-panel,
.nav-item:focus-within .nav-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav-panel__link {
  display: block;
  padding: 10px;
  border-radius: var(--radius-xs);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.16s var(--ease);
}
.nav-panel__link:hover {
  background: var(--brand-soft);
  color: var(--ink);
}
.nav-panel__title {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}
.nav-panel__link.is-active {
  background: var(--brand-soft);
}

/* mobile toggle + drawer */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-left: auto;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
}
.nav-toggle span {
  position: relative;
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: currentColor;
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
body.nav-open .nav-toggle span {
  background: transparent;
}
body.nav-open .nav-toggle span::before {
  transform: translateY(6px) rotate(45deg);
}
body.nav-open .nav-toggle span::after {
  transform: translateY(-6px) rotate(-45deg);
}
.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 118;
  background: rgba(8, 19, 28, 0.55);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), visibility 0.25s;
}
body.nav-open .nav-backdrop {
  opacity: 1;
  visibility: visible;
}
.drawer-head {
  display: none;
}
.drawer-foot {
  display: none;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: clamp(440px, 38vw, 620px);
  overflow: hidden;
  background: var(--ink);
  isolation: isolate;
}
.hero__slides {
  position: absolute;
  inset: 0;
}
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s var(--ease), visibility 0.9s;
}
.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
}
.hero__slide picture {
  display: block;
  width: 100%;
  height: 100%;
}
.hero__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Bias the crop downward so the building and logo stay visible. */
  object-position: 50% 72%;
  transform: scale(1.02);
  transition: transform 6s linear;
}
.hero__slide.is-active .hero__media {
  transform: scale(1);
}
/* hero-01 is a ground-level view of the campus: the spire is the topmost
   subject, so the crop keeps its headroom instead of the downward bias. */
.hero__slide--hero-01 .hero__media {
  object-position: 50% 40%;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(8, 19, 28, 0.94) 0%, rgba(8, 19, 28, 0.74) 42%, rgba(8, 19, 28, 0.24) 100%),
    linear-gradient(0deg, rgba(8, 19, 28, 0.78) 0%, rgba(8, 19, 28, 0) 45%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.16;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, transparent 0 79px, rgba(255, 255, 255, 0.12) 79px 80px);
  mask-image: linear-gradient(90deg, transparent 0%, #000 70%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 70%, #000 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  height: 100%;
  padding: 56px 0 68px;
}
.hero__content {
  max-width: 780px;
  color: #fff;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
}
.hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--signal);
}
.hero__title {
  color: #fff;
  font-size: clamp(3rem, 6.2vw, 5.6rem);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.055em;
}
.hero__title em {
  font-style: normal;
  color: var(--brand);
}
.hero__subtitle {
  max-width: 600px;
  margin: 22px 0 0;
  font-size: clamp(1.02rem, 1.6vw, 1.25rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero__actions .btn--outline {
  --btn-fg: #fff;
  --btn-border: rgba(255, 255, 255, 0.34);
}
.hero__actions .btn--outline:hover {
  --btn-bg: #fff;
  --btn-fg: var(--ink);
  --btn-border: #fff;
  color: var(--ink);
}
.hero__controls {
  position: absolute;
  z-index: 3;
  right: max(var(--gutter), calc((100vw - var(--container)) / 2));
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: #fff;
}
.hero__count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.6);
}
.hero__count strong {
  color: #fff;
  font-weight: 500;
}
.hero__dots {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero__dot {
  width: 22px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.28);
  transition: width 0.25s var(--ease), background 0.25s var(--ease);
}
.hero__dot[aria-current="true"] {
  width: 42px;
  background: var(--signal);
}
.hero__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: rgba(8, 19, 28, 0.2);
  color: #fff;
  backdrop-filter: blur(8px);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.hero__arrow:hover {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}
.hero__arrow svg {
  width: 17px;
  height: 17px;
}
.hero__pause .hero__icon-play {
  display: none;
}
html:not(.js) .hero__pause {
  display: none;
}
.hero__pause[aria-pressed="true"] .hero__icon-pause {
  display: none;
}
.hero__pause[aria-pressed="true"] .hero__icon-play {
  display: block;
}
.hero__arrows {
  display: flex;
  gap: 7px;
}

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 7vw, 92px) 0 clamp(48px, 6vw, 76px);
  background-color: var(--ink);
  background-image: linear-gradient(90deg, rgba(8, 19, 28, 0.96) 0%, rgba(8, 19, 28, 0.84) 55%, rgba(8, 19, 28, 0.62) 100%), var(--page-image, url("../img/hero/hero-01.webp"));
  background-size: cover;
  background-position: center 72%;
  color: #fff;
  isolation: isolate;
}
.page-hero--hero-01 {
  --page-image: url("../img/hero/hero-01.webp");
  /* Ground-level campus shot: hold the facade and the sign inside short bands. */
  background-position: center 65%;
}
.page-hero--hero-02 { --page-image: url("../img/hero/hero-02.webp"); }
.page-hero--hero-03 { --page-image: url("../img/hero/hero-03.webp"); }
.page-hero--hero-04 { --page-image: url("../img/hero/hero-04.webp"); }
.page-hero--hero-05 { --page-image: url("../img/hero/hero-05.webp"); }
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
  background-image: repeating-linear-gradient(90deg, transparent 0 79px, rgba(255, 255, 255, 0.14) 79px 80px);
  mask-image: linear-gradient(90deg, transparent 0%, #000 60%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 60%);
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand) 30%, transparent 30%);
}
.page-hero__inner {
  position: relative;
  max-width: 860px;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(2.3rem, 4.6vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}
.page-hero__intro {
  max-width: 66ch;
  margin: 20px 0 0;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.62;
  color: rgba(255, 255, 255, 0.76);
}
.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.breadcrumb li {
  margin: 0;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.66);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--signal);
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 7px;
  color: rgba(255, 255, 255, 0.28);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.home-body,
.page-body {
  padding: clamp(52px, 6vw, 84px) 0 clamp(72px, 8vw, 112px);
}
.layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
  gap: clamp(32px, 4.5vw, 64px);
  align-items: start;
}
.content {
  min-width: 0;
}
.sidebar {
  min-width: 0;
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  margin: 0 0 clamp(48px, 6vw, 76px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.section:last-child {
  margin-bottom: 0;
}
.section--ruled {
  padding-top: clamp(34px, 4vw, 48px);
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(22px, 3vw, 34px);
}
.section-head__main {
  max-width: 680px;
}
.section-head h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.3rem);
}
.section-head__intro {
  max-width: 62ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9875rem;
}
.section-head__aside {
  flex: none;
  padding-bottom: 4px;
}
.section--first .section-head {
  margin-bottom: 24px;
}
.notice + .section {
  margin-top: 32px;
}
.notice + .grid-2,
.notice + .stack {
  margin-top: 24px;
}

/* welcome */
.welcome-body {
  font-size: 1.0125rem;
}
.welcome-body p {
  margin-bottom: 1.15em;
}
.welcome-body p:first-of-type {
  font-size: clamp(1.06rem, 1.5vw, 1.2rem);
  line-height: 1.62;
  color: var(--ink);
}
.welcome-body a {
  font-weight: 600;
}
.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}
.fact {
  padding: 18px;
  background: var(--surface);
}
.fact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.fact__value {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}
.fact__value span {
  display: block;
  margin-top: 2px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
}

/* joint event callout */
.callout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(26px, 3.5vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.74);
  overflow: hidden;
  isolation: isolate;
}
.callout::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    radial-gradient(ellipse at 90% 20%, rgba(0, 163, 224, 0.3), transparent 50%),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(255, 255, 255, 0.05) 59px 60px);
}
.callout h2,
.callout h3 {
  margin: 0 0 8px;
  color: #fff;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
}
.callout p {
  max-width: 60ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
}
.callout a:not(.btn) {
  color: var(--signal);
  text-decoration-color: rgba(215, 255, 99, 0.4);
}
.callout .btn {
  flex: none;
}
.callout__label {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
}
.callout__wave {
  position: absolute;
  right: -20px;
  bottom: -10px;
  z-index: -1;
  width: 300px;
  opacity: 0.1;
  color: var(--brand);
}
.section-callout {
  margin-top: 22px;
}
.section-stack {
  margin-top: 20px;
}

/* topics */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.topic-card h3 {
  margin: 0;
  font-size: 1.0125rem;
  font-weight: 600;
  line-height: 1.3;
}
.topic-card p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.58;
  color: var(--muted);
}

/* partners */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.partner-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.partner-card:hover {
  border-color: rgba(0, 163, 224, 0.45);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  color: var(--ink);
}
.partner-card__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 96px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--line);
}
.partner-card__logo img {
  max-width: 100%;
  max-height: 74px;
  object-fit: contain;
}
.partner-card__info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}
.partner-card__name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
}
.partner-card__tier {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.partner-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.partner-note p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--muted);
}

/* schedule timeline */
.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--brand), var(--line) 70%);
}
.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  margin: 0;
  padding: 0 0 24px;
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
}
.timeline__item:first-child .timeline__marker {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.timeline__body {
  padding-top: 3px;
}
.timeline__phase {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.timeline__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}
.timeline__desc {
  margin: 4px 0 0;
  font-size: 0.83rem;
  line-height: 1.55;
  color: var(--muted);
}
.timeline__date {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

/* ==========================================================================
   Sidebar widgets
   ========================================================================== */
.widget {
  margin: 0 0 20px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.widget:last-child {
  margin-bottom: 0;
}
.widget--dark {
  background: var(--ink);
  border-color: var(--ink);
  color: rgba(255, 255, 255, 0.72);
}
.widget--dark .widget__title {
  color: #fff;
}
.widget__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.widget__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
}
.widget__head .link-arrow {
  font-size: 0.5625rem;
}
.widget__note {
  margin: 14px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}
.widget--dark .widget__note {
  color: rgba(255, 255, 255, 0.5);
}

/* search trigger */
.search-trigger {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: left;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.search-trigger:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
}
.search-trigger svg {
  width: 17px;
  height: 17px;
  flex: none;
  color: var(--brand-deep);
}
.search-trigger kbd {
  margin-left: auto;
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--muted);
}

/* news list */
.news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.news-item {
  position: relative;
  margin: 0;
  padding: 14px 0 14px 18px;
  border-top: 1px solid var(--line);
}
.news-item:first-child {
  border-top: 0;
  padding-top: 0;
}
.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.news-item:first-child::before {
  top: 7px;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(0, 163, 224, 0.14);
}
.news-item:hover::before {
  background: var(--brand);
}
.news-item__date {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.news-item__title {
  display: block;
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}
.news-item__title a {
  color: inherit;
  text-decoration: none;
}
.news-item__title a:hover {
  color: var(--brand-deep);
}
.news-item__excerpt {
  margin: 5px 0 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* previous editions */
.archive-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}
.archive-list li {
  margin: 0;
}
.archive-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.archive-link:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.archive-link svg {
  width: 11px;
  height: 11px;
  flex: none;
  opacity: 0.5;
}
.widget--dark .archive-link {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.widget--dark .archive-link:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.key-dates {
  margin: 0;
  padding: 0;
  list-style: none;
}
.key-dates li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
}
.key-dates li:first-child {
  border-top: 0;
  padding-top: 0;
}
.key-dates span {
  color: var(--muted);
}
.key-dates strong {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-deep);
  white-space: nowrap;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.organizer-band {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
}
.organizer-band__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}
.organizer-band__logos {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px clamp(8px, 2.4vw, 30px);
  width: 100%;
  max-width: 820px;
  margin: 0;
  padding: 12px 18px;
  list-style: none;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--line);
}
.organizer-band__logos li {
  display: flex;
  flex: 0 1 auto;
  min-width: 0;
}
.organizer-band__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 2px;
  border-radius: var(--radius-xs);
}
.organizer-band__logos img {
  display: block;
  width: auto;
  max-width: 100%;
  height: clamp(26px, 4.6vw, 54px);
  object-fit: contain;
}
.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 6vw, 80px) 0 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.66);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  background-image: repeating-linear-gradient(90deg, transparent 0 99px, rgba(255, 255, 255, 0.045) 99px 100px);
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(22px, 2.6vw, 32px);
}
.footer-brand p {
  max-width: 34ch;
  margin: 20px 0 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.56);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.8125rem;
}
.footer-contact a {
  color: var(--signal);
  text-decoration: none;
}
.footer-contact a:hover {
  text-decoration: underline;
}
.footer-col h2,
.footer-col h3 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.54);
}
.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-links li {
  margin: 0 0 9px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color 0.16s var(--ease);
}
.footer-links a:hover {
  color: var(--signal);
}
.footer-social {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.72);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.social-link:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.social-link svg {
  width: 16px;
  height: 16px;
}
.footer-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 0;
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.75rem;
}
.footer-bottom__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.66);
  text-decoration: none;
}
.footer-bottom a:hover {
  color: var(--signal);
}
.footer-bottom__badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
}
.footer-bottom__badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  opacity: 0.8;
}

/* ==========================================================================
   Prose & generic content
   ========================================================================== */
.prose {
  max-width: 72ch;
  font-size: 1rem;
  line-height: 1.72;
}
.prose > *:first-child {
  margin-top: 0;
}
.prose h2 {
  margin: 2.2em 0 0.65em;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.prose h3 {
  margin: 1.8em 0 0.55em;
  font-size: 1.125rem;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.prose h4 {
  margin: 1.5em 0 0.45em;
  font-size: 1rem;
}
.prose p,
.prose ul,
.prose ol {
  margin-bottom: 1.05em;
}
.prose ul,
.prose ol {
  padding-left: 1.3em;
}
.prose li {
  margin: 0.4em 0;
}
.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.prose a {
  font-weight: 500;
}
.prose blockquote {
  margin: 1.8em 0;
  padding: 2px 0 2px 22px;
  border-left: 3px solid var(--brand);
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--ink);
}
.prose figure {
  margin: 1.8em 0;
}
.prose img {
  border-radius: var(--radius);
}
.prose figcaption {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--muted);
}
.prose code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* generic cards/grids */
.card {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.card--ink {
  background: var(--ink);
  border-color: var(--ink);
  color: rgba(255, 255, 255, 0.72);
}
.card--ink h2,
.card--ink h3,
.card--ink h4 {
  color: #fff;
}
.card--soft {
  background: var(--paper-2);
}
.card + .card {
  margin-top: 16px;
}
/* Grids and stacks already space items with `gap`; the sibling margin
   would push the 2nd/3rd card down inside its own grid cell. */
.grid-2 > .card + .card,
.grid-3 > .card + .card,
.stack > .card + .card {
  margin-top: 0;
}
.card h2,
.card h3 {
  margin: 0 0 10px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
/* Equal-height cards: every card in the grid stretches to the tallest one
   in the section, and the last link pins to the bottom. */
.grid-2--equal > .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.grid-2--equal > .card > p:last-child:has(a) {
  margin-top: auto;
  padding-top: 12px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.stack {
  display: grid;
  gap: 16px;
}
.stack--lg {
  gap: 28px;
}
.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.inline-list li {
  margin: 0;
}
.content > .inline-list[aria-label="On this page"] {
  margin: 24px 0 clamp(28px, 4vw, 44px);
}

/* step list */
.step-list {
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step-list > li {
  margin: 0;
}
.step {
  position: relative;
  padding: 0 0 22px 52px;
  counter-increment: step;
}
.step:last-child {
  padding-bottom: 0;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--brand-deep);
}
.step::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.step:last-child::after {
  display: none;
}
.step h3 {
  margin: 4px 0 6px;
  font-size: 1rem;
}
.step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
}
.step-list__criteria {
  margin: 8px 0 0;
  padding-left: 1.15em;
  list-style: disc;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
}
.step-list__criteria li {
  margin: 4px 0;
}
.step-list__criteria li::marker {
  color: var(--brand-deep);
}

/* accordion */
.accordion {
  border-top: 1px solid var(--line);
}
.accordion:last-child {
  border-bottom: 1px solid var(--line);
}
.accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}
.accordion summary::-webkit-details-marker {
  display: none;
}
.accordion summary::after {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--brand-deep);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.accordion[open] summary::after {
  content: "–";
  background: var(--brand-soft);
  transform: rotate(180deg);
}
.accordion__body {
  padding: 0 0 20px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}
.accordion__body > *:first-child {
  margin-top: 0;
}
.accordion__body > *:last-child {
  margin-bottom: 0;
}

/* tables */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.55;
}
.data-table caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.75rem;
  color: var(--muted);
}
.data-table th,
.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.data-table thead th {
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.data-table tbody tr:last-child td {
  border-bottom: 0;
}
.data-table tbody th {
  font-weight: 600;
  color: var(--ink);
}
.data-table td strong {
  color: var(--ink);
}
.data-table .num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  white-space: nowrap;
}

/* logos */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.logo-grid--tight {
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}
/* Equal-height tiles: the link fills its cell so every tile in the section
   shares one identical height, with the label pinned near the bottom. */
.logo-grid--equal > li {
  display: flex;
}
.logo-grid--equal .logo-card {
  flex: 1;
  width: 100%;
}
.logo-grid--equal .logo-card span:last-child {
  margin-top: auto;
}
.organizers-note {
  margin: 16px 0 0;
  text-align: center;
}
.logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 140px;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.logo-card:hover {
  border-color: rgba(0, 163, 224, 0.45);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--ink);
}
.logo-card img {
  max-width: 100%;
  max-height: 62px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.78;
  transition: filter 0.2s var(--ease), opacity 0.2s var(--ease);
}
.logo-card:hover img {
  filter: grayscale(0);
  opacity: 1;
}
.logo-card span {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.organizer-host {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  margin-top: 16px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.organizer-host__label {
  flex: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.organizer-host__link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  min-width: 0;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.organizer-host__link:hover {
  color: var(--ink);
}
.organizer-host__link img {
  width: auto;
  max-width: 100%;
  max-height: 40px;
  filter: grayscale(1);
  opacity: 0.78;
  transition: filter 0.2s var(--ease), opacity 0.2s var(--ease);
}
.organizer-host__link:hover img {
  filter: grayscale(0);
  opacity: 1;
}
.organizer-host__link span {
  font-size: 0.9375rem;
  line-height: 1.4;
}
.org-logo {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 56px;
  margin-bottom: 16px;
}
.org-logo--lg {
  max-height: 72px;
}
/* Fixed-height slot keeps card text aligned when logos use different
   optical heights. Modifiers equalise visual weight: square marks render
   taller, very wide marks render shorter, so each fills a similar area. */
.org-logo-slot {
  display: flex;
  align-items: center;
  min-height: 72px;
  margin-bottom: 16px;
}
.org-logo-slot .org-logo {
  margin-bottom: 0;
}
.org-logo--tall {
  max-height: 64px;
}
.org-logo--wide {
  max-height: 48px;
}
.org-logo--xl-wide {
  max-height: 40px;
}

/* ==========================================================================
   People / committees
   ========================================================================== */
.people {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.people > li {
  display: flex;
  margin: 0;
  min-width: 0;
}
.person {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.person:hover {
  border-color: rgba(0, 163, 224, 0.4);
  background: #fff;
}
.person--link {
  flex: 1;
  width: 100%;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease), background 0.22s var(--ease);
}
.person--link:hover {
  border-color: rgba(0, 163, 224, 0.45);
  background: #fff;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.person--link .person__name {
  color: var(--ink);
}
.person__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-3) 100%);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.person__avatar--photo {
  position: relative;
  overflow: hidden;
}
.person__avatar--photo img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.person__body {
  min-width: 0;
}
.person__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}
.person__role {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.person__aff {
  display: block;
  margin-top: 5px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted);
}

/* ==========================================================================
   Program
   ========================================================================== */
.day-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 35;
  display: flex;
  gap: 6px;
  margin: 0 0 24px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(245, 243, 238, 0.94);
  backdrop-filter: blur(12px);
  overflow-x: auto;
  scrollbar-width: none;
}
.day-tabs::-webkit-scrollbar {
  display: none;
}
.day-tab {
  flex: 1 0 auto;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: left;
  line-height: 1.3;
}
.day-tab span {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}
.day-tab:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}
.day-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.program-day[hidden] {
  display: none;
}
.program-day__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}
.program-day__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
}
.session {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.session:first-child {
  border-top: 0;
  padding-top: 0;
}
.session__time {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--brand-deep);
  white-space: nowrap;
}
.session__title {
  margin: 0 0 4px;
  font-size: 1.0625rem;
  line-height: 1.35;
}
.session__meta {
  margin: 0 0 12px;
  font-size: 0.75rem;
  color: var(--muted);
}
.session__papers {
  margin: 0;
  padding: 0;
  list-style: none;
}
.session__paper {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.session__paper:first-child {
  border-top: 0;
}
.session__paper time {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  line-height: 1.7;
  color: var(--muted);
}
.session__paper h4 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0;
  color: var(--ink);
}
.session__authors {
  margin: 3px 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--muted);
}
.session--break {
  color: var(--muted);
}
.session--break .session__title {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
}

/* speakers */
.speaker-card {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.speaker-card + .speaker-card {
  margin-top: 16px;
}
.speaker-card__photo {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 1;
  background: var(--paper-2);
}
.speaker-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.speaker-card__eyebrow {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.speaker-card h2 {
  margin: 0 0 4px;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}
.speaker-card__aff {
  margin: 0 0 14px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.speaker-card__bio {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text);
}
.speaker-card details summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.speaker-card details summary::-webkit-details-marker {
  display: none;
}
.speaker-card details summary::after {
  content: "+";
  font-size: 0.75rem;
}
.speaker-card details[open] summary::after {
  content: "–";
}

/* ==========================================================================
   Cards: hotels, attractions, contact
   ========================================================================== */
.hotel-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.hotel-card + .hotel-card {
  margin-top: 12px;
}
.hotel-card__thumb {
  overflow: hidden;
  min-height: 100px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
}
.hotel-card__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100px;
  object-fit: cover;
}
.hotel-card__thumb strong svg {
  display: inline-block;
  width: 12px;
  height: 12px;
  vertical-align: -1px;
}
.hotel-card h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}
.hotel-card__meta {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.hotel-card p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}
.hotel-card__action {
  padding-top: 2px;
}
.attraction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.attraction {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.attraction__num {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  color: var(--brand-deep);
}
.attraction h3 {
  margin: 6px 0 6px;
  font-size: 0.9375rem;
}
.attraction p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
}
.attraction a {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.72rem;
}
.attraction a svg {
  display: inline-block;
  width: 10px;
  height: 10px;
  vertical-align: -1px;
}
.media-strip {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 10px;
}
.media-strip img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.media-strip img:first-child {
  height: 180px;
}
.figure-wide {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.figure-wide img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
}
.figure-wide figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.72rem;
  color: var(--muted);
}
/* Tall portrait figures (e.g. the venue and hotels route map) keep their full
   height instead of cropping to the landscape cap above. */
.figure-wide--tall img {
  max-height: none;
}
/* Live map embeds (e.g. the venue hotels route) fill the figure width with a
   fixed-height frame instead of a cropped image. */
.map-embed iframe {
  display: block;
  width: 100%;
  height: clamp(320px, 55vw, 480px);
  border: 0;
}
.card + .figure-wide {
  margin-top: 16px;
}

/* contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.contact-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.contact-card__icon svg {
  width: 20px;
  height: 20px;
}
.contact-card h2,
.contact-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}
.contact-card p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--muted);
}
.contact-card a {
  font-weight: 600;
  word-break: break-word;
}

/* forms */
.form {
  display: grid;
  gap: 14px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.field {
  display: grid;
  gap: 6px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  background: var(--surface);
  font-size: 0.875rem;
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}
.field textarea {
  min-height: 120px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.16);
}
.field__error {
  font-size: 0.72rem;
  color: var(--danger);
}
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
}
.form-status {
  padding: 13px 15px;
  border-radius: var(--radius-xs);
  background: var(--success-soft);
  border: 1px solid rgba(46, 158, 107, 0.28);
  color: #196b47;
  font-size: 0.8125rem;
}
.form-hint {
  font-size: 0.72rem;
  color: var(--muted);
}

/* copy fields */
.copy-field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  word-break: break-all;
}
.copy-field span {
  flex: 1;
  min-width: 0;
}
.copy-btn {
  flex: none;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.copy-btn:hover {
  border-color: var(--brand);
  color: var(--brand-deep);
}
.copy-btn.is-copied {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

/* ==========================================================================
   News archive
   ========================================================================== */
.news-archive {
  display: grid;
  gap: 22px;
}
.news-article {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.news-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}
.news-article__date {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.news-article h2 {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}
.news-article__body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text);
}
.news-article__body p {
  margin-bottom: 0.85em;
}
.news-article__body p:last-child {
  margin-bottom: 0;
}
.news-article__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal {
  width: min(600px, calc(100% - 32px));
  max-height: calc(100dvh - 48px);
  padding: 0;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  overflow: auto;
}
.modal::backdrop {
  background: rgba(8, 19, 28, 0.62);
  backdrop-filter: blur(4px);
}
.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 26px 18px;
  border-bottom: 1px solid var(--line);
}
.modal__head h2 {
  margin: 0;
  font-size: 1.35rem;
}
.modal__head p {
  margin: 4px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}
.modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
}
.modal__close:hover {
  background: var(--paper);
  color: var(--ink);
}
.modal__close svg {
  width: 16px;
  height: 16px;
}
.modal__body {
  padding: 22px 26px 26px;
}
.modal__note {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: var(--radius-xs);
  background: var(--amber-soft);
  font-size: 0.72rem;
  line-height: 1.5;
  color: #7a5200;
}

/* ==========================================================================
   Search overlay
   ========================================================================== */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(30px, 9vh, 110px) 18px 30px;
  background: rgba(8, 19, 28, 0.68);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s var(--ease), visibility 0.2s;
}
.search-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.search-dialog {
  width: min(720px, 100%);
  max-height: min(680px, calc(100dvh - 80px));
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-8px) scale(0.99);
  transition: transform 0.22s var(--ease);
}
.search-overlay.is-open .search-dialog {
  transform: translateY(0) scale(1);
}
.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.search-box svg {
  width: 21px;
  height: 21px;
  flex: none;
  color: var(--brand-deep);
}
.search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--ink);
  outline: none;
}
.search-box input::placeholder {
  color: #9aa8b0;
}
.search-box kbd {
  flex: none;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--muted);
}
.search-results {
  margin: 0;
  padding: 8px;
  list-style: none;
  overflow-y: auto;
}
.search-result {
  margin: 0;
}
.search-result a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: var(--radius-xs);
  color: var(--ink);
  text-decoration: none;
}
.search-result a:hover,
.search-result a.is-active {
  background: var(--brand-soft);
}
.search-result__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 8px;
  background: var(--paper-2);
  color: var(--brand-deep);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  text-transform: uppercase;
}
.search-result__body {
  min-width: 0;
}
.search-result__title {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
}
.search-result__meta {
  display: block;
  margin-top: 1px;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.search-empty {
  padding: 28px 20px 34px;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
}
.search-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.search-footer span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.search-footer kbd {
  padding: 2px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--surface);
}

/* ==========================================================================
   Back to top
   ========================================================================== */
.site-totop {
  position: fixed;
  right: clamp(16px, 3vw, 30px);
  bottom: clamp(16px, 3vw, 30px);
  bottom: calc(clamp(16px, 3vw, 30px) + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: var(--ink);
  color: var(--signal);
  box-shadow: var(--shadow);
  transition: opacity 0.2s var(--ease), visibility 0.2s, transform 0.2s var(--ease), background 0.2s var(--ease);
}
body.totop-ready .site-totop {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}
body.totop-ready .site-totop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.site-totop:hover,
.site-totop:focus-visible {
  background: var(--brand);
  color: var(--ink);
}
.site-totop svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Reveal
   ========================================================================== */
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
html.js .reveal:nth-child(2) {
  transition-delay: 0.04s;
}
html.js .reveal:nth-child(3) {
  transition-delay: 0.08s;
}
html.js .reveal:nth-child(4) {
  transition-delay: 0.12s;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  :root {
    --header-h: 76px;
  }
  .header-inner {
    gap: 18px;
  }
  .nav-link {
    padding: 9px 8px;
    font-size: 0.78rem;
  }
  .nav-link.is-active::after {
    left: 8px;
    right: 8px;
  }
  .brand__word {
    font-size: 1.3rem;
  }
  .brand__mark {
    width: 40px;
    height: 40px;
  }
  .layout {
    grid-template-columns: minmax(0, 7fr) minmax(260px, 5fr);
    gap: 36px;
  }
}

@media (max-width: 1120px) {
  .header-cta {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 72px;
  }
  .utility__group:first-child .utility__sep,
  .utility__group:first-child .utility__live {
    display: none;
  }
  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 130;
    width: min(420px, 92vw);
    height: 100dvh;
    margin: 0;
    padding: 0 20px 28px;
    background: var(--surface);
    box-shadow: -30px 0 60px -30px rgba(8, 19, 28, 0.4);
    visibility: hidden;
    transform: translateX(102%);
    transition: transform 0.28s var(--ease), visibility 0.28s;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-padding-top: 90px;
  }
  .nav-item {
    scroll-margin-top: 90px;
  }
  body.nav-open .primary-nav {
    visibility: visible;
    transform: translateX(0);
  }
  .drawer-head {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 0 -20px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
  }
  .drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: transparent;
    color: var(--ink);
  }
  .drawer-close svg {
    width: 17px;
    height: 17px;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 10px 0;
  }
  .nav-item {
    border-bottom: 1px solid var(--line);
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 14px 4px;
    font-size: 0.9375rem;
    border-radius: 0;
  }
  .nav-link:hover,
  .nav-link[aria-expanded="true"] {
    background: transparent;
  }
  .nav-split {
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
  }
  .nav-split .nav-link {
    flex: 1 1 auto;
    width: auto;
    justify-content: flex-start;
    padding-right: 8px;
  }
  .nav-caret {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xs);
  }
  .nav-caret:hover,
  .nav-caret[aria-expanded="true"] {
    background: transparent;
  }
  .nav-link.is-active::after {
    display: none;
  }
  .nav-link.is-active {
    color: var(--brand-deep);
  }
  .nav-panel {
    position: static;
    width: auto;
    padding: 0 0 10px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: none;
  }
  .nav-item.is-open .nav-panel {
    display: block;
    transform: none;
  }
  .nav-panel__link {
    padding: 10px 12px;
    background: var(--paper);
    margin-bottom: 4px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-cta {
    display: none;
  }
  .drawer-foot {
    display: grid;
    gap: 12px;
    padding: 22px 0 0;
  }
  .drawer-foot .btn {
    width: 100%;
  }
  .drawer-foot__contact {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .drawer-foot__contact a {
    color: var(--brand-deep);
    text-decoration: none;
  }
  .layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }
  .sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }
  .sidebar .widget {
    margin-bottom: 0;
  }
  .sidebar .widget--search {
    grid-column: 1 / -1;
  }
  .sidebar .widget--archive {
    grid-column: 1 / -1;
  }
  .hero {
    height: clamp(440px, 50vw, 480px);
  }
  .hero__controls {
    right: var(--gutter);
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .day-tabs {
    top: var(--header-h);
  }
}

@media (max-width: 820px) {
  .utility__inner {
    justify-content: center;
  }
  .utility__group--right {
    display: none;
  }
  .hero {
    height: clamp(440px, 62vw, 500px);
  }
  /* The hero-01 mobile crop is square: keep its top edge so wide, short boxes
     do not slice the spire off. Harmless above 700px, where the wide crop fits. */
  .hero__slide--hero-01 .hero__media {
    object-position: 50% 0%;
  }
  .hero__inner {
    padding-bottom: 90px;
  }
  .hero__controls {
    left: var(--gutter);
    right: var(--gutter);
    justify-content: space-between;
    bottom: 20px;
  }
  .hero__arrow[data-hero-prev],
  .hero__arrow[data-hero-next] {
    display: none;
  }
  .hero__count {
    order: 3;
  }
  .hero__dots {
    flex: 1;
  }
  .hero__dot {
    flex: 1;
    max-width: 44px;
  }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .section-head__aside {
    padding-bottom: 0;
  }
  .fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .media-strip {
    grid-template-columns: 1fr 1fr;
  }
  .media-strip img:first-child {
    grid-column: 1 / -1;
    height: 220px;
  }
  .media-strip img {
    height: 150px;
  }
  .hotel-card {
    grid-template-columns: 100px minmax(0, 1fr);
  }
  .hotel-card__action {
    grid-column: 2;
  }
  .speaker-card {
    grid-template-columns: 130px minmax(0, 1fr);
  }
  .session {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 18px;
    --header-h: 66px;
  }
  body {
    font-size: 0.975rem;
  }
  .brand__mark {
    width: 38px;
    height: 38px;
  }
  .brand__word {
    font-size: 1.2rem;
  }
  .brand__year {
    font-size: 0.5rem;
  }
  .utility {
    font-size: 0.55rem;
  }
  .utility__inner {
    min-height: 30px;
  }
  .hero {
    height: min(78vh, 620px);
    min-height: 500px;
  }
  .hero__inner {
    padding: 40px 0 86px;
  }
  .hero__title {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }
  .hero__subtitle {
    font-size: 0.98rem;
  }
  .hero__actions {
    gap: 9px;
  }
  .hero__actions .btn {
    flex: 1 1 auto;
  }
  .hero__meta .chip {
    font-size: 0.55rem;
    padding: 5px 9px;
  }
  .page-hero {
    padding: 40px 0 44px;
  }
  .breadcrumb {
    margin-bottom: 18px;
  }
  .topic-grid,
  .partner-grid,
  .grid-2,
  .grid-3,
  .people,
  .contact-grid,
  .attraction-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .callout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .callout .btn {
    justify-self: start;
  }
  .layout {
    gap: 36px;
  }
  .sidebar {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar .widget--search,
  .sidebar .widget--archive {
    grid-column: auto;
  }
  .fact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .fact {
    padding: 14px 16px;
  }
  .timeline__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }
  .timeline__marker {
    width: 32px;
    height: 32px;
  }
  .timeline::before {
    left: 15px;
  }
  .timeline__date {
    grid-column: 2;
    padding-top: 0;
  }
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .footer-brand {
    grid-column: auto;
  }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
  .footer-bottom__group {
    gap: 12px;
  }
  .organizer-band__logos {
    padding: 10px 12px;
  }
  .speaker-card {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
  }
  .speaker-card__photo {
    border-radius: 50%;
    align-self: start;
  }
  .speaker-card h2 {
    font-size: 1.15rem;
  }
  .session {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
  .session__time {
    padding-bottom: 2px;
  }
  .session__paper {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 8px;
  }
  .hotel-card {
    grid-template-columns: minmax(0, 1fr);
  }
  .hotel-card__thumb {
    min-height: 0;
    padding: 0;
    aspect-ratio: 16 / 9;
  }
  .hotel-card__thumb img {
    min-height: 0;
  }
  .hotel-card__action {
    grid-column: auto;
  }
  .media-strip {
    grid-template-columns: minmax(0, 1fr);
  }
  .media-strip img,
  .media-strip img:first-child {
    grid-column: auto;
    height: 190px;
  }
  .day-tabs {
    top: var(--header-h);
    margin-inline: -2px;
  }
  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
  .modal {
    width: calc(100% - 20px);
    max-height: calc(100dvh - 20px);
  }
  .modal__head,
  .modal__body {
    padding-left: 18px;
    padding-right: 18px;
  }
  .search-overlay {
    padding: 18px 10px;
  }
  .search-dialog {
    max-height: calc(100dvh - 36px);
  }
  .search-footer {
    display: none;
  }
  .archive-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-totop {
    width: 42px;
    height: 42px;
    bottom: 72px;
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  /* responsive data tables */
  .data-table--stack thead {
    display: none;
  }
  .data-table--stack,
  .data-table--stack tbody,
  .data-table--stack tr,
  .data-table--stack td,
  .data-table--stack th {
    display: block;
    width: 100%;
  }
  .data-table--stack tr {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
  }
  .data-table--stack tr:last-child {
    border-bottom: 0;
  }
  .data-table--stack td,
  .data-table--stack th {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    padding: 5px 0;
    border: 0;
    text-align: right;
  }
  .data-table--stack td::before,
  .data-table--stack th::before {
    content: attr(data-label);
    flex: none;
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: left;
  }
  .data-table--stack td:first-child,
  .data-table--stack th[scope="row"] {
    display: block;
    padding-bottom: 8px;
    font-weight: 600;
    text-align: left;
  }
  .data-table--stack td:first-child::before,
  .data-table--stack th[scope="row"]::before {
    display: none;
  }
}

@media (max-width: 400px) {
  .hero__title {
    font-size: 2.45rem;
  }
  .btn {
    padding: 0 16px;
    font-size: 0.875rem;
  }
  .widget {
    padding: 18px;
  }
}

/* ==========================================================================
   Reduced motion / print
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hero__media {
    transform: none !important;
  }
  .hero__pause {
    display: none;
  }
  html.js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }
  .utility,
  .site-header,
  .hero__controls,
  .sidebar,
  .organizer-band,
  .site-footer,
  .site-totop,
  .search-overlay,
  .modal,
  .day-tabs,
  .no-print {
    display: none !important;
  }
  .page-hero {
    padding: 0 0 18pt;
    background: none !important;
    color: #000;
  }
  .page-hero::before,
  .page-hero::after {
    display: none;
  }
  .page-hero h1,
  .page-hero__intro {
    color: #000;
  }
  .layout {
    display: block;
  }
  .content {
    width: 100%;
  }
  .section,
  .card,
  .session {
    break-inside: avoid;
  }
  .program-day[hidden] {
    display: block !important;
  }
  a {
    color: #000;
    text-decoration: none;
  }
  .data-table th,
  .data-table td {
    border-color: #999;
  }
}