/* ==========================================================================
   E-TIST 2027 — stylesheet
   Mobile-first. Sections: tokens · base · layout · components · page sections · utilities
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  --navy-950: #081A31;
  --navy-900: #0B213F;
  --navy: #0F2A4C;
  --navy-700: #183D6B;
  --blue: #1769AA;
  --blue-700: #125A93;
  --sky: #1595D4;
  --blue-50: #EAF3FB;
  --green: #16864A;
  --green-50: #E7F5EC;
  --amber: #E9A126;
  --amber-700: #8A5A00;
  --amber-50: #FDF4E3;

  --white: #FFFFFF;
  --bg: #F5F8FC;
  --text: #243247;
  --muted: #5A6980;
  --border: #E1E8F0;
  --border-strong: #CBD6E3;

  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 42, 76, .06);
  --shadow: 0 1px 2px rgba(15, 42, 76, .05), 0 8px 24px -12px rgba(15, 42, 76, .18);
  --shadow-lg: 0 24px 48px -24px rgba(8, 26, 49, .45);

  --container: 1200px;
  --gutter: 16px;
  --header-h: 68px;
  --section-y: clamp(56px, 8vw, 96px);
  --ease: cubic-bezier(.2, .7, .3, 1);
}

@media (min-width: 640px) {
  :root { --gutter: 24px; --header-h: 76px; }
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  color: var(--navy);
  line-height: 1.25;
  letter-spacing: -.01em;
  font-weight: 700;
}
h2 { font-size: clamp(1.65rem, 1.2rem + 1.8vw, 2.35rem); letter-spacing: -.02em; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1.02rem; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-700); }

img { max-width: 100%; height: auto; display: block; }
address { font-style: normal; }
ul, ol { margin: 0; padding: 0; }
dl, dd { margin: 0; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 2px;
  border-radius: 4px;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -.25em;
}
.icon--xs { width: .95em; height: .95em; vertical-align: -.15em; }
.icon--sm { width: 1.05em; height: 1.05em; vertical-align: -.17em; }
.icon--lg { width: 2rem; height: 2rem; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--white);
  color: var(--navy);
  font-weight: 600;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.skip-link:focus { top: 12px; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(860px + 2 * var(--gutter)); }

.section { padding-block: var(--section-y); }
.section--tint { background: var(--bg); border-block: 1px solid var(--border); }

.section-head { max-width: 720px; margin: 0 auto clamp(32px, 5vw, 48px); text-align: center; }
.section-head p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.section-head--left { text-align: left; margin-inline: 0; margin-bottom: 20px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: currentColor; border-radius: 2px; }
.eyebrow--light { color: #8CCBF0; }

.subhead {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(40px, 6vw, 56px) 0 16px;
  font-size: 1.2rem;
}
.subhead .icon { color: var(--blue); }
.subhead-note { color: var(--muted); margin: -6px 0 24px; max-width: 760px; }

.prose { max-width: 68ch; }
.lead { font-size: 1.12rem; color: var(--text); }

/* --------------------------------------------------------------------------
   4. Components
   -------------------------------------------------------------------------- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.3;
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}
.btn--lg { min-height: 52px; padding-inline: 24px; font-size: 1rem; }
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--blue-700); color: var(--white); }
.btn--ghost-light { color: var(--white); border-color: rgba(255, 255, 255, .45); background: rgba(255, 255, 255, .04); }
.btn--ghost-light:hover { color: var(--white); background: rgba(255, 255, 255, .12); border-color: var(--white); }
.btn--light { background: var(--white); color: var(--navy); }
.btn--light:hover { background: var(--blue-50); color: var(--navy); }
.btn--outline { background: var(--white); color: var(--navy); border-color: var(--border-strong); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue); }
.btn:active:not(.is-disabled) { transform: translateY(1px); }

.btn.is-disabled { cursor: not-allowed; }
.btn--primary.is-disabled { background: #E3EAF2; color: #4C5C73; }
.btn--light.is-disabled { background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .85); border-color: rgba(255, 255, 255, .22); }
.btn--outline.is-disabled { background: var(--bg); color: var(--muted); border-style: dashed; }
.btn__badge {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--amber-50);
  color: var(--amber-700);
}
.btn--light .btn__badge { background: rgba(233, 161, 38, .18); color: #F6C46B; }

/* Pills & tags */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.2;
}
.pill--light { background: rgba(255, 255, 255, .1); color: #DCEBFA; border: 1px solid rgba(255, 255, 255, .16); }
.pill--accent { background: rgba(22, 134, 74, .22); color: #BFEBD0; border: 1px solid rgba(91, 201, 137, .35); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.5;
  white-space: nowrap;
}
.tag--amber { background: var(--amber-50); color: var(--amber-700); }
.tag--green { background: var(--green-50); color: var(--green); }
.tag--muted { background: #EDF1F6; color: var(--muted); }

/* Notes */
.note { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; }
.note .icon { margin-top: .2em; }
.note--info { color: var(--navy-700); }
.note--info .icon { color: var(--blue); }
.note--warning { color: #6B4700; }
.note--warning .icon { color: var(--amber); }
.note--block {
  padding: 16px 20px;
  margin-bottom: 28px;
  border-radius: var(--radius);
  border: 1px solid;
}
.note--block.note--info { background: var(--blue-50); border-color: #C9DEF1; }
.note--block.note--warning { background: var(--amber-50); border-color: #F1D59F; margin-top: 28px; }
.note--block .icon { width: 1.35rem; height: 1.35rem; }

.small-print { font-size: .875rem; color: var(--muted); margin-top: 14px; }

/* Panels (general content card) */
.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow-sm);
}
.panel__title { display: flex; align-items: center; gap: 10px; font-size: 1.08rem; margin-bottom: 14px; }
.panel__title .icon { color: var(--blue); }

/* Lists */
.check-list { list-style: none; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; }
.check-list .icon { color: var(--green); margin-top: .3em; }

.bullet-list { list-style: none; display: grid; gap: 8px; margin-bottom: 4px; }
.bullet-list li { position: relative; padding-left: 18px; }
.bullet-list li::before {
  content: ""; position: absolute; left: 2px; top: .7em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--sky);
}

/* Tables */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th, .data-table td { padding: 14px 18px; text-align: left; vertical-align: top; }
.data-table thead th {
  background: var(--navy);
  color: var(--white);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.data-table tbody tr + tr > * { border-top: 1px solid var(--border); }
.data-table tbody th { color: var(--navy); font-weight: 600; }
.th-sub { display: block; font-weight: 400; opacity: .78; font-size: .78rem; }

/* Stacked tables on narrow screens */
@media (max-width: 639.98px) {
  .data-table--stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .data-table--stack, .data-table--stack tbody, .data-table--stack tr, .data-table--stack th, .data-table--stack td { display: block; }
  .data-table--stack tbody tr { padding: 14px 16px; }
  .data-table--stack tbody tr + tr > * { border-top: 0; }
  .data-table--stack tbody tr + tr { border-top: 1px solid var(--border); }
  .data-table--stack tbody th { padding: 0 0 8px; font-size: 1.02rem; }
  .data-table--stack td {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 6px 0;
  }
  .data-table--stack td::before {
    content: attr(data-label);
    flex: none;
    color: var(--muted);
    font-size: .875rem;
    white-space: nowrap;
  }
  .data-table--stack td { text-align: right; }
}

/* Accordion */
.accordion { display: grid; gap: 12px; margin-top: 28px; }
.accordion__item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.accordion__item.is-open { border-color: #BFD5EA; box-shadow: var(--shadow); }
.accordion__heading { margin: 0; font-size: 1rem; }
.accordion__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  padding: 14px 18px;
  border: 0;
  background: none;
  font: inherit;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius);
}
.accordion__trigger:hover { color: var(--blue); }
.accordion__trigger > span:not(.accordion__icon-lead) { flex: 1; }
.accordion__icon-lead { display: inline-flex; color: var(--blue); }
.accordion__chevron { color: var(--muted); transition: transform .2s var(--ease); }
.accordion__trigger[aria-expanded="true"] .accordion__chevron { transform: rotate(180deg); color: var(--blue); }
.accordion__panel { padding: 0 18px 18px; color: var(--text); }
.accordion__panel > :first-child { margin-top: 0; }
@media (min-width: 640px) {
  .accordion__trigger { padding-inline: 22px; }
  .accordion__panel { padding: 0 22px 22px; }
}

/* --------------------------------------------------------------------------
   5. Announcement strip & header
   -------------------------------------------------------------------------- */
.announce {
  background: linear-gradient(90deg, var(--navy-950), #0E2747 55%, var(--navy-950));
  color: #C7D6E8;
  font-size: .8rem;
}
.announce__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px 24px;
  padding-block: 8px;
  text-align: center;
}
.announce p { margin: 0; }
.announce strong { color: var(--white); font-weight: 600; }
.announce__meta { display: none; align-items: center; gap: 10px; letter-spacing: .02em; }
.announce__sep { width: 4px; height: 4px; border-radius: 50%; background: #5F7896; }
.announce__note::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(233, 161, 38, .22);
  vertical-align: 1px;
}
.announce__note a { color: #8CCBF0; font-weight: 600; text-decoration: none; margin-left: 8px; white-space: nowrap; }
.announce__note a:hover { color: var(--white); text-decoration: underline; }
@media (max-width: 479.98px) { .announce__note a { display: none; } }
.announce__long { display: none; }
@media (min-width: 640px) { .announce__long { display: inline; } }
@media (min-width: 1024px) {
  .announce__inner { justify-content: space-between; }
  .announce__meta { display: inline-flex; }
}

/* Header shell: sticky. On desktop it is offset so only the navy bar stays pinned. */
.site-header {
  --masthead-h: var(--header-h);
  position: sticky;
  top: 0;
  z-index: 50;
}

/* Masthead (white brand row) */
.masthead {
  position: relative;
  z-index: 2;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .2s var(--ease);
}
.site-header.is-scrolled .masthead { box-shadow: 0 8px 24px -18px rgba(15, 42, 76, .55); }
.masthead__inner { display: flex; align-items: center; gap: 16px; min-height: calc(var(--masthead-h) - 1px); }

.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; min-width: 0; }
.brand__mark {
  display: grid; place-items: center;
  width: 48px; height: 48px; flex: none;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 0 1px var(--border), 0 6px 14px -8px rgba(15, 42, 76, .45);
}
.brand__logo { width: 100%; height: 100%; border-radius: 50%; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name { font-weight: 800; font-size: 1.12rem; color: var(--navy); letter-spacing: -.02em; }
.brand__full { display: none; margin-top: 3px; font-size: .78rem; font-weight: 500; color: var(--muted); }
.brand__tag { margin-top: 2px; font-size: .74rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.masthead__meta { display: none; list-style: none; }
.masthead__meta li { display: flex; align-items: center; gap: 10px; padding-inline: 20px; }
.masthead__meta li + li { border-left: 1px solid var(--border); }
.masthead__meta .icon {
  width: 38px; height: 38px; padding: 9px;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue);
}
.masthead__meta span { display: flex; flex-direction: column; font-size: .78rem; line-height: 1.35; color: var(--muted); white-space: nowrap; }
.masthead__meta strong { font-size: .9rem; color: var(--navy); }

.masthead__cta { display: none; flex: none; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 46px;
  height: 46px;
  padding: 0 12px;
  flex: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--navy);
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.nav-toggle:hover { border-color: var(--navy); }
.nav-toggle[aria-expanded="true"] { background: var(--navy); border-color: var(--navy); color: var(--white); }
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle__label { display: none; }
.nav-toggle__close, .nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }

@media (min-width: 480px) {
  .nav-toggle__label { display: inline; }
}
@media (min-width: 768px) {
  .brand { gap: 14px; }
  .brand__mark { width: 56px; height: 56px; }
  .brand__name { font-size: 1.3rem; }
  .masthead__cta { display: inline-flex; }
}
@media (min-width: 1024px) {
  .brand__full { display: block; }
  .brand__tag { display: none; }
}

/* Navigation — mobile: navy drop-down panel */
.navbar {
  position: absolute;
  inset: 100% 0 auto 0;
  z-index: 1;
  max-height: calc(100vh - var(--header-h));
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--navy-900);
  box-shadow: 0 24px 40px -20px rgba(8, 26, 49, .7);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility 0s linear .2s;
}
.navbar.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
.navbar__inner { padding-block: 12px 20px; }
.navbar__mini { display: none; }
.navbar__list { list-style: none; display: grid; gap: 4px; }
.navbar__link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 6px 10px;
  border-radius: var(--radius);
  color: #D5E2F0;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .15s var(--ease), color .15s var(--ease);
}
.navbar__icon {
  width: 36px; height: 36px; padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .07);
  color: #8CCBF0;
  transition: background-color .15s var(--ease), color .15s var(--ease);
}
.navbar__link:hover { background: rgba(255, 255, 255, .06); color: var(--white); }
.navbar__link.is-active { background: rgba(255, 255, 255, .09); color: var(--white); }
.navbar__link.is-active .navbar__icon { background: var(--blue); color: var(--white); }
.navbar__link:focus-visible { outline-color: #8CCBF0; }

.navbar__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.navbar__footer .btn { flex: 1 1 200px; }
.navbar__email { display: inline-flex; align-items: center; gap: 8px; color: #A9BCD2; font-size: .88rem; text-decoration: none; word-break: break-all; }
.navbar__email:hover { color: var(--white); }

@media (min-width: 560px) {
  .navbar__list { grid-template-columns: 1fr 1fr; gap: 6px 12px; }
}

/* Navigation — desktop: pinned navy bar under the masthead */
@media (min-width: 1180px) {
  .site-header { --masthead-h: 92px; top: calc(-1 * var(--masthead-h)); }
  html { scroll-padding-top: 76px; }

  .brand__mark { width: 64px; height: 64px; }
  .brand__name { font-size: 1.5rem; }
  .brand__full { font-size: .82rem; }
  .nav-toggle { display: none; }

  .navbar {
    position: relative;
    inset: auto;
    max-height: none;
    overflow: visible;
    visibility: visible;
    opacity: 1;
    transform: none;
    background: var(--navy);
    box-shadow: none;
    transition: box-shadow .2s var(--ease);
  }
  .navbar::before {
    /* brand stripe echoing the logo colours */
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue) 0 30%, var(--sky) 30% 55%, var(--green) 55% 80%, var(--amber) 80%);
  }
  .site-header.is-stuck .navbar { box-shadow: 0 10px 28px -14px rgba(8, 26, 49, .75); }

  .navbar__inner { display: flex; align-items: center; padding-block: 0; }
  .navbar__mini {
    display: block;
    flex: none;
    width: 0;
    margin-right: 0;
    opacity: 0;
    overflow: hidden;
    transition: width .25s var(--ease), margin .25s var(--ease), opacity .2s var(--ease);
  }
  .navbar__mini img { width: 34px; height: 34px; border-radius: 50%; background: var(--white); }
  .site-header.is-stuck .navbar__mini { width: 34px; margin-right: 14px; opacity: 1; }

  .navbar__list { display: flex; flex: 1; justify-content: space-between; gap: 0; }
  .navbar__link {
    position: relative;
    gap: 0;
    min-height: 56px;
    padding: 3px 12px 0;
    border-radius: 0;
    font-size: .9rem;
    color: rgba(255, 255, 255, .78);
    white-space: nowrap;
  }
  .navbar__icon { display: none; }
  .navbar__link:hover, .navbar__link.is-active { background: none; color: var(--white); }
  .navbar__link::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px; bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--amber);
    transform: scaleX(0);
    transition: transform .22s var(--ease);
  }
  .navbar__link:hover::after { transform: scaleX(.5); }
  .navbar__link.is-active::after { transform: scaleX(1); }
  .navbar__footer { display: none; }
}
@media (min-width: 1280px) {
  .masthead__meta { display: flex; }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #D3E0EF;
  background:
    radial-gradient(900px 480px at 85% 10%, rgba(21, 149, 212, .22), transparent 60%),
    radial-gradient(700px 420px at 0% 100%, rgba(22, 134, 74, .14), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy));
  padding: clamp(48px, 7vw, 88px) 0 clamp(96px, 12vw, 136px);
}
.hero::before {
  /* fine scientific grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
  pointer-events: none;
}
.hero__grid { position: relative; display: grid; gap: 40px; align-items: center; }
.hero__eyebrow { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }

.hero__title { margin-bottom: 24px; color: var(--white); }
.hero__acronym {
  display: block;
  font-size: clamp(2.6rem, 1.6rem + 5vw, 4.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
  margin-bottom: 14px;
}
.hero__name {
  display: block;
  max-width: 22ch;
  font-size: clamp(1.25rem, 1rem + 1.3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.015em;
  color: #E4EDF7;
}

.hero__facts { list-style: none; display: grid; gap: 10px; margin-bottom: 22px; }
.hero__facts li { display: flex; gap: 12px; align-items: flex-start; }
.hero__facts .icon { color: #7FC3EC; margin-top: .2em; }
.hero__facts strong { color: var(--white); font-size: 1.05rem; }

.hero__lead { max-width: 58ch; font-size: 1.04rem; color: #B9CBE0; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__actions .btn { flex: 1 1 200px; }

.hero__visual { display: grid; justify-items: center; gap: 18px; }
.hero__logo-card {
  width: min(100%, 248px);
  padding: 12px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow-lg), 0 0 0 10px rgba(255, 255, 255, .06);
}
.hero__logo-card img { width: 100%; aspect-ratio: 1; border-radius: 50%; object-fit: contain; }

.hero__deadlines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(100%, 380px);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  background: rgba(8, 26, 49, .35);
  overflow: hidden;
}
.hero__deadlines > div { padding: 12px 16px; text-align: center; }
.hero__deadlines > div + div { border-left: 1px solid rgba(255, 255, 255, .16); }
.hero__deadlines dt { font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: #9FB4CC; }
.hero__deadlines dd { font-weight: 700; color: var(--white); font-size: 1.05rem; }
.hero__deadlines > div:first-child dd { color: #F6C46B; }

@media (min-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; }
  .hero__actions .btn { flex: 0 0 auto; }
  .hero__logo-card { width: 360px; padding: 16px; }
}

/* --------------------------------------------------------------------------
   7. Key dates (overlaps hero)
   -------------------------------------------------------------------------- */
.key-dates { position: relative; z-index: 1; margin-top: clamp(-96px, -9vw, -64px); }
.key-dates__panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px clamp(18px, 3vw, 32px);
}
.key-dates__title {
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 18px;
}

.timeline { list-style: none; display: grid; gap: 20px; }
.timeline__item { display: flex; gap: 14px; align-items: flex-start; }
.timeline__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; flex: none;
  border-radius: var(--radius);
  background: var(--blue-50);
  color: var(--blue);
}
.timeline__label { margin: 0; font-size: .82rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.timeline__date { margin: 2px 0 4px; font-size: 1.2rem; font-weight: 800; color: var(--navy); letter-spacing: -.01em; line-height: 1.25; }
.timeline__note { margin: 0 0 8px; font-size: .875rem; color: var(--muted); line-height: 1.5; }

.key-dates__tba {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px dashed var(--border-strong);
  font-size: .9rem;
}
.key-dates__tba p { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; color: var(--text); }

@media (min-width: 640px) {
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}
@media (min-width: 1024px) {
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
  .timeline__item { padding: 0 20px; }
  .timeline__item:first-child { padding-left: 0; }
  .timeline__item + .timeline__item { border-left: 1px solid var(--border); }
}

/* --------------------------------------------------------------------------
   8. About
   -------------------------------------------------------------------------- */
.about { display: grid; gap: 32px; }
.about__facts {
  align-self: start;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.about__facts-title { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
.about__facts dl > div { padding: 12px 0; border-top: 1px solid var(--border); }
.about__facts dl > div:first-child { border-top: 0; padding-top: 0; }
.about__facts dt { display: flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 600; color: var(--muted); }
.about__facts dt .icon { color: var(--blue); }
.about__facts dd { margin-top: 2px; font-weight: 600; color: var(--navy); }
.about__facts dd a { word-break: break-all; }

.institutions { display: grid; gap: 20px; margin-top: clamp(40px, 6vw, 64px); }
.institution {
  display: flex; gap: 18px; align-items: flex-start;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.institution__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; flex: none;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
}
.institution__kicker { margin: 0 0 4px; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green); }
.institution p:not(.institution__kicker) { color: var(--text); }
.link-arrow { font-weight: 600; text-decoration: none; }

@media (max-width: 479.98px) {
  .institution { flex-direction: column; }
}
@media (min-width: 960px) {
  .about { grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: start; }
  .institutions { grid-template-columns: 1fr 1fr; }
}

/* --------------------------------------------------------------------------
   9. Conference: theme, objectives, tracks, format
   -------------------------------------------------------------------------- */
.theme-banner {
  display: flex; gap: 18px; align-items: flex-start;
  margin: 0;
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 32px);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--navy), var(--navy-700));
  color: var(--white);
}
.theme-banner__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; flex: none; border-radius: 50%;
  background: rgba(233, 161, 38, .16); color: #F6C46B;
}
.theme-banner__label { margin: 0 0 6px; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #8CCBF0; }
.theme-banner__quote { margin: 0; font-size: clamp(1.08rem, .95rem + .6vw, 1.4rem); font-weight: 600; line-height: 1.4; color: var(--white); }

.objectives__list {
  list-style: none;
  counter-reset: obj;
  display: grid;
  gap: 12px;
}
.objectives__list li {
  counter-increment: obj;
  position: relative;
  padding: 16px 18px 16px 60px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.objectives__list li::before {
  content: counter(obj, decimal-leading-zero);
  position: absolute; left: 18px; top: 16px;
  font-weight: 800; font-size: .95rem; color: var(--blue);
  font-variant-numeric: tabular-nums;
}
@media (min-width: 768px) { .objectives__list { grid-template-columns: 1fr 1fr; } }

.tracks { display: grid; gap: 16px; }
.track {
  display: flex; flex-direction: column;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.track:hover { border-color: #BFD5EA; box-shadow: var(--shadow); transform: translateY(-2px); }
.track__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.track__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: var(--radius);
  background: var(--blue-50); color: var(--blue);
}
.track__icon .icon { width: 24px; height: 24px; }
.track__num { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.track__title { font-size: 1.05rem; margin-bottom: 8px; }
.track__text { font-size: .92rem; color: var(--muted); line-height: 1.6; }

.track--wide { background: linear-gradient(180deg, #F3FAF6, var(--white) 70%); border-color: #CFE8D9; }
.track--wide .track__icon { background: var(--green-50); color: var(--green); }
.track__list { list-style: none; display: grid; gap: 6px 24px; margin-top: 12px; font-size: .9rem; }
.track__list li { position: relative; padding-left: 16px; }
.track__list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

@media (min-width: 640px) {
  .tracks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .tracks { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .track--wide { grid-column: 1 / -1; display: grid; grid-template-columns: 300px 1fr; column-gap: 40px; padding: 26px 28px; }
  .track--wide .track__top, .track--wide .track__title, .track--wide .track__text { grid-column: 1; }
  .track--wide .track__list { grid-column: 2; grid-row: 1 / span 3; grid-template-columns: 1fr 1fr; margin-top: 0; align-content: center; }
}

.format { display: grid; gap: 16px; }
.format__card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
}
.format__card:last-child { border-left-color: var(--green); }
.format__icon { color: var(--blue); }
.format__card:last-child .format__icon { color: var(--green); }
.format__icon .icon { width: 28px; height: 28px; }
.format__card p { color: var(--muted); font-size: .95rem; }
@media (min-width: 768px) { .format { grid-template-columns: 1fr 1fr; } }

/* --------------------------------------------------------------------------
   10. Call for Papers
   -------------------------------------------------------------------------- */
.cfp {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cfp__intro {
  padding: clamp(28px, 5vw, 48px);
  color: #C9D8EA;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(21, 149, 212, .22), transparent 60%),
    var(--navy);
}
.cfp__intro h2 { color: var(--white); max-width: 20ch; }
.cfp__intro > p { max-width: 64ch; }

.cfp__dates {
  display: grid; gap: 1px;
  margin: 28px 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, .14);
}
.cfp__dates > div { padding: 14px 18px; background: var(--navy-900); }
.cfp__dates dt { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: #94ABC5; }
.cfp__dates dd { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.cfp__dates > div:first-child dd { color: #F6C46B; }
@media (min-width: 640px) { .cfp__dates { grid-template-columns: repeat(3, 1fr); } }

.cfp__actions { display: grid; gap: 10px; }
.cfp__actions .btn { justify-content: flex-start; width: 100%; }
.cfp__fineprint { margin-top: 16px; font-size: .85rem; color: #9FB4CC; }

.cfp__side { padding: clamp(28px, 4vw, 40px); background: var(--white); border: 1px solid var(--border); border-top: 0; }
.cfp__side-title { font-size: 1.1rem; margin-bottom: 18px; }
.cfp__side-note { display: flex; gap: 10px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); font-size: .88rem; color: var(--muted); }
.cfp__side-note .icon { color: var(--blue); margin-top: .2em; }

.steps { list-style: none; counter-reset: step; display: grid; gap: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 20px 48px;
}
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--blue-50); color: var(--blue);
  font-weight: 700; font-size: .9rem;
}
.steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 15.5px; top: 36px; bottom: 4px;
  width: 1px; background: var(--border-strong);
}
.steps li:last-child { padding-bottom: 0; }
.steps strong { display: block; color: var(--navy); }
.steps span { display: block; font-size: .9rem; color: var(--muted); line-height: 1.55; }

@media (min-width: 640px) {
  .cfp__actions { grid-template-columns: 1fr 1fr; }
  .cfp__actions .btn:first-child { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .cfp { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
  .cfp__side { border-top: 1px solid var(--border); border-left: 0; border-radius: 0 var(--radius-lg) var(--radius-lg) 0; }
}

.topics__list {
  list-style: none;
  display: grid;
  gap: 10px;
}
.topics__list li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  line-height: 1.5;
}
.topics__list .icon { color: var(--green); margin-top: .15em; }
@media (min-width: 640px) { .topics__list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .topics__list { grid-template-columns: repeat(3, 1fr); } }

/* --------------------------------------------------------------------------
   11. Authors' guidelines
   -------------------------------------------------------------------------- */
.guide { display: grid; gap: 20px; }
.guide__side { display: grid; gap: 20px; align-content: start; }

.structure-list { list-style: none; counter-reset: s; display: grid; gap: 0; margin-top: 6px; }
.structure-list li {
  counter-increment: s;
  display: flex; gap: 14px; align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.structure-list li:first-child { border-top: 0; }
.structure-list li::before {
  content: counter(s, decimal-leading-zero);
  font-size: .8rem; font-weight: 700; color: var(--blue);
  font-variant-numeric: tabular-nums;
  min-width: 22px;
}

.deadline-list > div { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 0; border-top: 1px solid var(--border); }
.deadline-list > div:first-child { border-top: 0; padding-top: 0; }
.deadline-list dt { color: var(--muted); }
.deadline-list dd { font-weight: 700; color: var(--navy); }

.doc-list { display: grid; gap: 10px; }
.doc-list .btn { justify-content: flex-start; width: 100%; font-size: .9rem; }

@media (min-width: 960px) {
  .guide { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
  .guide__side { gap: 24px; }
}

/* --------------------------------------------------------------------------
   12. Publication
   -------------------------------------------------------------------------- */
.routes { display: grid; gap: 20px; }
.route {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: clamp(22px, 3vw, 32px);
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.route:nth-child(2) { border-top-color: var(--green); }
.route__head { display: flex; gap: 16px; align-items: center; margin-bottom: 14px; }
.route__letter {
  display: grid; place-items: center;
  width: 48px; height: 48px; flex: none;
  border-radius: var(--radius);
  background: var(--navy); color: var(--white);
  font-weight: 800; font-size: 1.3rem;
}
.route__kicker { margin: 0; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.route h3 { margin: 0; font-size: 1.2rem; }
.route__tbc { font-size: .9rem; color: var(--muted); padding-left: 12px; border-left: 2px solid var(--border-strong); }
.route .tag { margin-top: auto; }
@media (min-width: 768px) { .routes { grid-template-columns: 1fr 1fr; } }

.process { list-style: none; display: grid; gap: 12px; }
.process__step {
  position: relative;
  padding: 18px 18px 18px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.process__num { display: block; font-weight: 800; font-size: .85rem; color: var(--blue); margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.process__step h4 { margin-bottom: 4px; }
.process__step p { font-size: .88rem; color: var(--muted); line-height: 1.55; }
@media (min-width: 640px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .process { grid-template-columns: repeat(6, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--white); }
  .process__step { background: none; border: 0; border-radius: 0; }
  .process__step + .process__step { border-left: 1px solid var(--border); }
  .process__step::after {
    content: ""; position: absolute; top: 24px; right: -5px; z-index: 1;
    width: 9px; height: 9px; background: var(--white);
    border-top: 1px solid var(--border-strong); border-right: 1px solid var(--border-strong);
    transform: rotate(45deg);
  }
  .process__step:last-child::after { display: none; }
}
.process + .subhead-note { margin-top: 16px; }

.pub-grid { display: grid; gap: 8px 48px; }
@media (min-width: 960px) { .pub-grid { grid-template-columns: 1fr 1fr; } }

/* --------------------------------------------------------------------------
   13. Committees
   -------------------------------------------------------------------------- */
.patrons { list-style: none; display: grid; gap: 16px; }
.patron {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.patron__icon {
  display: grid; place-items: center;
  width: 48px; height: 48px; flex: none;
  border-radius: 50%;
  background: var(--blue-50); color: var(--blue);
}
.patron:first-child .patron__icon { background: var(--navy); color: var(--white); }
.patron__photo {
  width: 88px; height: 88px; flex: none;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg);
  box-shadow: 0 0 0 3px var(--white), 0 0 0 4px var(--border-strong), 0 10px 20px -12px rgba(15, 42, 76, .55);
}
.patron:first-child .patron__photo { box-shadow: 0 0 0 3px var(--white), 0 0 0 5px var(--amber), 0 10px 20px -12px rgba(15, 42, 76, .55); }
.patron__role { margin: 0 0 2px; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--green); }
.patron__name { margin: 0 0 4px; font-size: 1.08rem; font-weight: 700; color: var(--navy); line-height: 1.3; }
.patron__aff { margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.5; }
@media (min-width: 960px) {
  .patrons { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .patron { flex-direction: column; align-items: center; text-align: center; padding: 30px 24px 26px; }
  .patron__photo { width: 112px; height: 112px; margin-bottom: 6px; }
}

.committees { display: grid; gap: 16px; align-items: start; margin-top: clamp(32px, 5vw, 48px); }
.committee {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.committee__title { display: flex; align-items: center; gap: 10px; font-size: 1.05rem; margin-bottom: 8px; }
.committee__title .icon { color: var(--blue); }
.committee__text { font-size: .9rem; color: var(--muted); line-height: 1.6; }
.committee__tba { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 14px; font-size: .88rem; color: var(--muted); }

.role-list { list-style: none; margin-top: 14px; display: grid; }
.role-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: .92rem;
}
.role-list__tba { font-size: .78rem; font-weight: 600; color: var(--amber-700); white-space: nowrap; }

.member-list { list-style: none; display: grid; gap: 10px; margin-top: 14px; }
.member-list li { display: flex; flex-direction: column; }
.member-list__name { font-weight: 600; color: var(--navy); }
.member-list__role, .member-list__aff { font-size: .88rem; color: var(--muted); }

@media (min-width: 768px) {
  .committees { grid-template-columns: repeat(2, 1fr); }
  #organizing-committee { grid-row: span 2; }
  #organizing-committee .role-list { grid-template-columns: 1fr; }
}
@media (min-width: 1024px) {
  .committees { grid-template-columns: repeat(3, 1fr); }
  #organizing-committee { grid-column: 3; grid-row: 1 / span 2; }
}

/* --------------------------------------------------------------------------
   14. Registration
   -------------------------------------------------------------------------- */
.reg { display: grid; gap: 24px; }
.data-table--fees tbody th { font-size: 1rem; }
.fee { font-size: 1.1rem; font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.fee--strong { color: var(--blue); }
@media (min-width: 640px) {
  .data-table--fees td, .data-table--fees thead th:not(:first-child) { text-align: center; }
  .data-table--fees th, .data-table--fees td { padding: 18px 22px; }
}

.reg__aside { display: grid; gap: 16px; align-content: start; }
.reg__cta {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--blue-50), var(--white));
  border: 1px solid #C9DEF1;
}
.reg__cta h3 { font-size: 1.2rem; }
.reg__cta p { color: var(--muted); font-size: .92rem; }
.reg__cta .btn { width: 100%; margin-top: 6px; }

.benefits { list-style: none; display: grid; gap: 12px; }
.benefits li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.55;
}
.benefits .icon { width: 24px; height: 24px; color: var(--green); margin-top: 2px; }
.benefits strong { display: block; color: var(--navy); font-size: .95rem; }

@media (min-width: 960px) { .reg { grid-template-columns: minmax(0, 1fr) 360px; gap: 32px; } }

.flow { list-style: none; display: grid; gap: 12px; }
.flow__step {
  position: relative;
  padding: 18px 18px 18px 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}
.flow__num {
  position: absolute; left: 18px; top: 18px;
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--navy); color: var(--white);
  font-weight: 700; font-size: .9rem;
}
.flow__step h4 { margin-bottom: 2px; }
.flow__step p { font-size: .88rem; color: var(--muted); line-height: 1.55; }
@media (min-width: 640px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .flow { grid-template-columns: repeat(6, 1fr); gap: 16px; }
  .flow__step { padding: 56px 16px 18px; border: 0; background: none; }
  .flow__num { left: 16px; top: 0; }
  .flow__step::before {
    content: ""; position: absolute; top: 16px; left: 56px; right: -8px;
    height: 1px; background: var(--border-strong);
  }
  .flow__step:last-child::before { display: none; }
}

.reg-info { display: grid; gap: 20px; margin-top: clamp(32px, 5vw, 48px); }
.reg-info .panel p { font-size: .92rem; }
.reg-info .note { margin-top: 12px; }
.tick-columns { list-style: none; display: grid; gap: 6px 16px; font-size: .9rem; }
.tick-columns li { position: relative; padding-left: 16px; }
.tick-columns li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--sky); }
@media (min-width: 480px) { .tick-columns { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) {
  .reg-info { grid-template-columns: repeat(3, 1fr); }
  .tick-columns { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   15. Programme
   -------------------------------------------------------------------------- */
.schedule__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 16px; }
.schedule__head .subhead { margin: 0; }
.schedule .tag { white-space: normal; }
.data-table--schedule tbody th { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--blue); }
.data-table--schedule tr.is-break > * { background: var(--bg); color: var(--muted); font-style: italic; }
.data-table--schedule tr.is-break th { color: var(--muted); }
@media (min-width: 640px) {
  .data-table--schedule thead th:first-child { width: 22%; }
}

.activities { display: grid; gap: 20px; margin-top: clamp(32px, 5vw, 48px); }
.activities .panel .tag { margin-top: 4px; }
@media (min-width: 960px) { .activities { grid-template-columns: repeat(3, 1fr); } }

/* --------------------------------------------------------------------------
   16. FAQ
   -------------------------------------------------------------------------- */
.accordion--faq { margin-top: 0; }

/* --------------------------------------------------------------------------
   17. Contact
   -------------------------------------------------------------------------- */
.contact { display: grid; gap: 20px; }
.contact__cards { display: grid; gap: 16px; }
.contact-card {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.contact-card__icon {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; margin-bottom: 12px;
  border-radius: var(--radius);
  background: var(--blue-50); color: var(--blue);
}
.contact-card h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-card--primary { background: var(--navy); border-color: var(--navy); color: #C9D8EA; }
.contact-card--primary h3 { color: var(--white); }
.contact-card--primary .contact-card__icon { background: rgba(255, 255, 255, .1); color: #8CCBF0; }
.contact-card--primary .small-print { color: #9FB4CC; }
.contact-card__email { color: var(--white); font-weight: 700; font-size: 1.05rem; word-break: break-all; }
.contact-card__email:hover { color: #8CCBF0; }

.contact__side { display: grid; gap: 16px; align-content: start; }
.subjects {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.subjects h3 { font-size: 1rem; }
.subjects ul { list-style: none; display: grid; gap: 4px; }
.subjects a {
  display: flex; align-items: center; gap: 10px;
  min-height: 40px;
  padding: 6px 10px;
  margin-inline: -10px;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  text-decoration: none;
}
.subjects a:hover { background: var(--bg); }

.map-slot {
  display: grid; justify-items: center; gap: 10px;
  padding: 28px 22px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(45deg, rgba(15, 42, 76, .025) 0 10px, transparent 10px 20px),
    var(--white);
  color: var(--muted);
  font-size: .9rem;
}
.map-slot .icon { color: var(--blue); }
.map-slot strong { color: var(--navy); }

@media (min-width: 640px) {
  .contact__cards { grid-template-columns: 1fr 1fr; }
  .contact-card--primary { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .contact { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 24px; }
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer { background: var(--navy-950); color: #A9BCD2; font-size: .92rem; }
.site-footer__grid { display: grid; gap: 32px; padding-block: clamp(48px, 6vw, 72px); }
.site-footer__brand { display: flex; gap: 18px; align-items: flex-start; }
.site-footer__logo { width: 88px; height: 88px; flex: none; border-radius: 50%; background: var(--white); padding: 4px; }
.site-footer__title { margin: 0 0 4px; font-size: 1.25rem; font-weight: 800; color: var(--white); }
.site-footer__meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; font-size: .85rem; color: #8EA3BC; }
.site-footer__heading { margin-bottom: 14px; font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--white); }
.site-footer address { color: #C3D2E3; }
.site-footer a { color: #C3D2E3; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer__links { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.site-footer__links a { display: inline-flex; align-items: center; min-height: 32px; }
.site-footer__email { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; word-break: break-all; }

.site-footer__bar { border-top: 1px solid rgba(255, 255, 255, .1); }
.site-footer__bar-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-block: 18px; font-size: .84rem; color: #8EA3BC; }
.site-footer__bar p { margin: 0; }
.back-to-top { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; font-weight: 600; }

@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr .9fr 1.1fr; gap: 40px; } }

/* --------------------------------------------------------------------------
   19. Registration page
   -------------------------------------------------------------------------- */
[hidden] { display: none !important; }

.page-hero {
  position: relative;
  padding: clamp(32px, 5vw, 56px) 0 clamp(36px, 5vw, 60px);
  color: #C9D8EA;
  background:
    radial-gradient(700px 300px at 90% 0%, rgba(21, 149, 212, .22), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy));
}
.page-hero h1 { margin: 10px 0 8px; color: var(--white); font-size: clamp(1.8rem, 1.3rem + 2vw, 2.6rem); letter-spacing: -.02em; }
.page-hero__lead { margin: 0; color: #A9BCD2; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: .85rem; color: #8EA3BC; }
.breadcrumb a { color: #C3D2E3; text-decoration: none; }
.breadcrumb a:hover { color: var(--white); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--white); font-weight: 600; }

.section--form { background: var(--bg); padding-block: clamp(28px, 5vw, 56px) var(--section-y); }

.reg-layout { display: grid; gap: 24px; }
@media (min-width: 1024px) {
  .reg-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 32px; align-items: start; }
  .reg-side { position: sticky; top: calc(var(--header-h) + 16px); }
}
@media (min-width: 1180px) { .reg-side { top: 76px; } }

.reg-form { display: grid; gap: 20px; }
.reg-form__intro { margin: 0; color: var(--muted); }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form-alert {
  display: flex; gap: 12px;
  padding: 16px 20px;
  border: 1px solid #F1B9B0;
  border-left: 4px solid #C0392B;
  border-radius: var(--radius);
  background: #FDF1EF;
  color: #7A1F14;
}
.form-alert > .icon { color: #C0392B; margin-top: .2em; }
.form-alert ul { margin: 8px 0 0; padding-left: 18px; font-size: .9rem; }
.form-alert a { color: #7A1F14; }

/* Section cards */
.form-section {
  display: grid;
  gap: 18px 20px;
  min-width: 0;
  margin: 0;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.form-section__title {
  float: left;            /* turns the legend into an ordinary grid item */
  grid-column: 1 / -1;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 2px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--border);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy);
}
.form-section__key {
  display: grid; place-items: center;
  width: 34px; height: 34px; flex: none;
  border-radius: var(--radius-sm);
  background: var(--navy);
  color: var(--white);
  font-size: .95rem;
}
.form-section__note { grid-column: 1 / -1; margin: -6px 0 0; font-size: .88rem; color: var(--muted); }
@media (min-width: 640px) { .form-section { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Fields */
.field { display: grid; gap: 6px; align-content: start; min-width: 0; margin: 0; padding: 0; border: 0; }
.field--full { grid-column: 1 / -1; }
.field > label, .choice-group > legend { font-size: .92rem; font-weight: 600; color: var(--navy); padding: 0; }
.choice-group > legend { margin-bottom: 8px; }
.field__req { color: #C0392B; margin-left: 2px; }
.field__hint { margin: 0; font-size: .82rem; color: var(--muted); }
.field__error { display: flex; gap: 6px; align-items: flex-start; margin: 0; font-size: .84rem; font-weight: 600; color: #B03A2E; }
.field__error .icon { margin-top: .15em; }

.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field input[type="date"], .field select {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.field select {
  appearance: none;
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6980' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
}
.field input:hover, .field select:hover { border-color: #9FB2C8; }
.field input:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23, 105, 170, .18); }
.field [aria-invalid="true"], .choice-group[aria-invalid="true"] .choice-card__body, .choice-group[aria-invalid="true"] .choice-pill span { border-color: #D9786C; }
.field input[aria-invalid="true"] { background: #FFFBFA; }

/* Radio cards & pills */
.choice-cards { display: grid; gap: 10px; }
@media (min-width: 768px) { .choice-cards { grid-template-columns: repeat(3, 1fr); } }
.choice-card, .choice-pill { position: relative; cursor: pointer; }
.choice-card input, .choice-pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice-card__body {
  display: flex; flex-direction: column; gap: 4px;
  height: 100%;
  padding: 14px 16px 14px 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color .15s var(--ease), background-color .15s var(--ease), box-shadow .15s var(--ease);
}
.choice-card__body::before {
  content: "";
  position: absolute; left: 16px; top: 17px;
  width: 18px; height: 18px;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  background: var(--white);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.choice-card__kicker { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.choice-card__label { font-size: .92rem; font-weight: 600; color: var(--navy); line-height: 1.4; }
.choice-card:hover .choice-card__body { border-color: #9FB2C8; }
.choice-card input:checked + .choice-card__body { border-color: var(--blue); background: var(--blue-50); box-shadow: 0 0 0 1px var(--blue); }
.choice-card input:checked + .choice-card__body::before { border-color: var(--blue); box-shadow: inset 0 0 0 4px var(--white); background: var(--blue); }
.choice-card input:focus-visible + .choice-card__body { outline: 3px solid var(--sky); outline-offset: 2px; }

.choice-row { display: flex; flex-wrap: wrap; gap: 10px; }
.choice-pill span {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--white);
  font-size: .92rem;
  font-weight: 500;
  color: var(--text);
  transition: border-color .15s var(--ease), background-color .15s var(--ease), color .15s var(--ease);
}
.choice-pill .icon { color: var(--muted); }
.choice-pill:hover span { border-color: #9FB2C8; }
.choice-pill input:checked + span { border-color: var(--blue); background: var(--blue); color: var(--white); }
.choice-pill input:checked + span .icon { color: var(--white); }
.choice-pill input:focus-visible + span { outline: 3px solid var(--sky); outline-offset: 2px; }
.choice-pill.is-unavailable { cursor: not-allowed; }
.choice-pill.is-unavailable span { opacity: .45; text-decoration: line-through; }

/* File inputs */
.file-drop {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color .15s var(--ease), background-color .15s var(--ease);
}
.file-drop:hover, .file-drop:focus-within { border-color: var(--blue); background: var(--blue-50); }
.file-drop > .icon { color: var(--blue); width: 24px; height: 24px; }
.file-drop { min-width: 0; overflow: hidden; }
.file-drop input { min-width: 0; width: 100%; flex: 1; font: inherit; font-size: .9rem; color: var(--muted); }
.file-drop input::file-selector-button {
  margin-right: 12px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  font: inherit;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
}
.field [aria-invalid="true"].file-drop, .file-drop:has([aria-invalid="true"]) { border-color: #D9786C; }

/* Fee and payment */
.fee-box {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  padding: 18px 22px;
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--navy), var(--navy-700));
  color: #C9D8EA;
}
.fee-box__label { margin: 0; font-weight: 700; color: var(--white); }
.fee-box__hint { margin: 2px 0 0; font-size: .82rem; color: #A9BCD2; }
.fee-box__amount { font-size: 2rem; font-weight: 800; color: #6E86A3; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.fee-box__amount.is-set { color: #F6C46B; }

.pay-details__grid { display: grid; gap: 14px; }
@media (min-width: 640px) { .pay-details__grid { grid-template-columns: 1fr 1fr; } }
.pay-details__card { padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.pay-details__card h3 { font-size: .95rem; }
.pay-details__card dl > div { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: .9rem; }
.pay-details__card dt { color: var(--muted); }
.pay-details__card dd { font-weight: 600; color: var(--navy); text-align: right; word-break: break-all; }
.pay-details .note { padding: 14px 16px; border: 1px solid #F1D59F; border-radius: var(--radius); background: var(--amber-50); }

/* Submit */
.form-submit {
  display: grid; gap: 16px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
}
.form-submit .btn { justify-self: start; min-width: 240px; }
.form-submit .btn:disabled { opacity: .7; cursor: progress; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .92rem; cursor: pointer; }
.check input { flex: none; width: 20px; height: 20px; margin-top: 2px; accent-color: var(--blue); }
@media (max-width: 479.98px) { .form-submit .btn { justify-self: stretch; min-width: 0; } }

/* Sidebar */
.reg-side { display: grid; gap: 16px; }
.reg-side__card { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--white); }
.reg-side__title { display: flex; align-items: center; gap: 8px; font-size: 1rem; margin-bottom: 12px; }
.reg-side__title .icon { color: var(--blue); }
.mini-fees { font-size: .86rem; }
.mini-fees th, .mini-fees td { padding: 8px 6px; text-align: left; border-top: 1px solid var(--border); }
.mini-fees thead th { border-top: 0; font-size: .75rem; color: var(--muted); font-weight: 600; }
.mini-fees tbody th { font-weight: 600; color: var(--navy); }
.mini-fees td { font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; white-space: nowrap; }
.reg-side__help { padding: 18px 20px; border-radius: var(--radius-lg); background: var(--navy); color: #C9D8EA; font-size: .9rem; }
.reg-side__help p { margin: 0 0 6px; }
.reg-side__help strong { color: var(--white); }
.reg-side__help a { color: #8CCBF0; text-decoration: none; word-break: break-all; }
.reg-side__help a:hover { color: var(--white); }

/* Success */
.reg-success {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}
.reg-success__icon {
  display: inline-grid; place-items: center;
  width: 72px; height: 72px; margin-bottom: 18px;
  border-radius: 50%;
  background: var(--green-50);
  color: var(--green);
}
.reg-success__icon .icon { width: 38px; height: 38px; }
.reg-success__id { font-size: 1.1rem; }
.reg-success__id strong { display: inline-block; margin-left: 6px; padding: 4px 12px; border-radius: var(--radius-sm); background: var(--blue-50); color: var(--navy); letter-spacing: .04em; }
.reg-success__wa { margin: 24px 0; padding: 20px; border-radius: var(--radius); background: var(--bg); }
.btn--whatsapp { background: #1B8A4C; color: var(--white); }
.btn--whatsapp:hover { background: #166F3D; color: var(--white); }
.reg-success__actions { margin-top: 8px; }

/* --------------------------------------------------------------------------
   20. Motion & print
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .track:hover { transform: none; }
}

@media print {
  .announce, .site-header, .hero__actions, .cfp__actions, .back-to-top, .map-slot { display: none !important; }
  .hero { background: none; color: #000; padding: 0; }
  .hero__title, .hero__name, .hero__facts strong { color: #000; }
  .accordion__panel[hidden] { display: block !important; }
  .section { padding-block: 24px; }
}