/* IME2027 — modifier ces variables pour changer la palette du site. */
:root {
    --paper: #eef5ff;
    --paper-light: #fff;
    --ink: #102342;
    --navy: #0b2348;
    --accent: #1459e6;
    --accent-hover: #1047b8;
    --muted: #4c607c;
    --line: #d6e3f5;
    --white: #fff;
    --max: 1344px;
    --sans: "Segoe UI", Arial, Helvetica, sans-serif;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 24px;
}
body {
    margin: 0;
    background: var(--paper-light);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-underline-offset: 4px;
}
button {
    font: inherit;
}
img {
    max-width: 100%;
    display: block;
}
h1,
h2,
h3,
p,
figure {
    margin-top: 0;
}
h1,
h2 {
    font-family: var(--sans);
    font-weight: 750;
    line-height: 1.12;
    letter-spacing: -0.035em;
}
h1 {
    font-size: clamp(42px, 5.2vw, 72px);
}
h2 {
    font-size: clamp(30px, 3.1vw, 42px);
}
h3 {
    font-size: 20px;
    line-height: 1.35;
}
p {
    margin-bottom: 1em;
}
ul {
    padding-left: 1.3em;
}
button,
a,
summary {
    -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 5px;
}
summary {
    cursor: pointer;
}
summary::-webkit-details-marker {
    display: none;
}
summary::marker {
    content: "";
}
.container {
    width: min(var(--max), calc(100% - 80px));
    margin-inline: auto;
}
.muted {
    color: var(--muted);
}
.small {
    font-size: 14px;
    line-height: 1.6;
}
.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;
}
.skip-link {
    position: fixed;
    left: 20px;
    top: -100px;
    padding: 12px 20px;
    background: var(--navy);
    color: #fff;
    z-index: 100;
}
.skip-link:focus {
    top: 12px;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 16px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.4;
    margin-bottom: 16px;
}
.lead {
    font-size: 21px;
    line-height: 1.6;
    max-width: 820px;
}
.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
}
.section-heading h2 {
    margin-bottom: 20px;
}
/* Navigation : les sous-menus natifs fonctionnent aussi sans JavaScript. */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    position: relative;
    z-index: 20;
}
.header-inner {
    width: min(var(--max), calc(100% - 80px));
    min-height: 88px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 34px;
}
.brand {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1.2px;
    line-height: 1;
    text-decoration: none;
    color: var(--navy);
    white-space: nowrap;
}
.header-inner > .brand {
    position: relative;
    padding-right: 20px;
}
.header-inner > .brand::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -11px;
    width: 66px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}
.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex: 1;
    font-size: 15px;
    line-height: 1.3;
    color: var(--navy);
}
.main-nav > a,
.nav-dropdown summary {
    text-decoration: none;
    white-space: nowrap;
    padding-block: 22px;
}
.main-nav a:hover,
.main-nav a[aria-current],
.nav-dropdown summary:hover {
    color: var(--accent);
}
.main-nav > a[aria-current] {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 8px;
}
.nav-dropdown {
    position: relative;
}
.nav-dropdown summary {
    display: flex;
    gap: 9px;
    align-items: center;
    list-style: none;
}
.chevron {
    width: 7px;
    height: 7px;
    display: inline-block;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    flex-shrink: 0;
    margin-top: -3px;
}
details[open] > summary .chevron {
    transform: rotate(225deg);
    margin-top: 4px;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% - 4px);
    left: -20px;
    min-width: 240px;
    background: var(--paper-light);
    padding: 10px;
    box-shadow: 0 10px 30px #0b234814;
    border: 1px solid var(--line);
    border-top: 2px solid var(--accent);
}
.dropdown-menu-end {
    left: auto;
    right: -20px;
}
.dropdown-menu a {
    display: block;
    padding: 12px 14px;
    text-decoration: none;
    white-space: normal;
}
.dropdown-menu a:hover {
    background: var(--paper);
}
.language-switch {
    display: flex;
    gap: 7px;
    align-items: center;
    padding-left: 30px;
    line-height: 1;
    font-size: 14px;
    white-space: nowrap;
    color: var(--navy);
}
.language-switch a {
    text-decoration: none;
    min-height: 32px;
    display: flex;
    align-items: center;
}
.language-switch a[aria-current] {
    font-weight: 700;
    color: var(--accent);
}
.menu-toggle {
    display: none;
}
/* Accueil — proposition A, bleu essentiel. */
.home-top {
    background: var(--white);
}
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 40px;
    align-items: center;
    padding-top: 36px;
    padding-bottom: 32px;
}
.hero-copy {
    padding: 0;
    min-width: 0;
}
.hero h1 {
    font-size: clamp(44px, 4.6vw, 64px);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}
/* Deux niveaux dans le titre : le rang du congrès, puis son nom officiel.
   Le nom passe naturellement à la ligne selon la largeur disponible. */
.hero-kicker {
    display: block;
    color: var(--navy);
    font-family: var(--sans);
    font-size: clamp(16px, 1.5vw, 21px);
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.01em;
    margin-bottom: 12px;
}
.hero-main-title {
    display: block;
    text-wrap: balance;
}
.hero-year {
    color: var(--accent);
    white-space: nowrap;
}
.hero .eyebrow {
    font-size: 19px;
    letter-spacing: 0.19em;
    margin-bottom: 16px;
}
.hero-rule {
    display: none;
}
.hero-date {
    font-family: var(--sans);
    font-weight: 750;
    font-size: clamp(30px, 3.3vw, 44px);
    line-height: 1.1;
    color: var(--accent);
    letter-spacing: -0.035em;
    margin-bottom: 3px;
}
.date-caveat {
    color: var(--accent);
    font-style: italic;
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 16px;
}
.hero-lead {
    font-size: 20px;
    line-height: 1.42;
    max-width: 600px;
    margin-bottom: 24px;
}
.hero-date + .hero-lead {
    margin-top: 16px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--accent);
    border: 1px solid var(--accent);
    color: var(--white);
    min-height: 49px;
    padding: 10px 21px;
    border-radius: 8px;
    line-height: 1.35;
    text-decoration: none;
    font-size: 17px;
    font-weight: 700;
    transition:
        background-color 0.16s,
        color 0.16s;
}
.button:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}
.button-outline {
    background: transparent;
    color: var(--navy);
}
.button-outline:hover {
    background: var(--paper);
    color: var(--accent);
}
.service-hint {
    font-size: 14px;
    color: var(--muted);
    font-style: italic;
    margin: 13px 0 0;
}
.hero-figure {
    margin: 0;
    min-width: 0;
}
.hero-photo {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 16px;
    background: var(--paper);
}
.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-photo.reference-crop img {
    position: absolute;
    width: 297.674419%;
    max-width: none;
    height: auto;
    left: -116.27907%;
    /* Le haut de la photo est à y=247 dans l'image source de 1024px.
       Ce décalage reste juste quel que soit le ratio du cadre. */
    top: 0;
    transform: translateY(-24.12109375%);
    object-fit: initial;
}
.hero-figure figcaption {
    text-transform: uppercase;
    text-align: right;
    font-size: 11px;
    letter-spacing: 0.15em;
    line-height: 1.6;
    margin-top: 9px;
    color: var(--navy);
}
.key-dates-band {
    background: var(--paper);
}
.key-dates {
    display: grid;
    grid-template-columns: 0.95fr 1.1fr 1.05fr 1fr;
    padding: 30px 0;
    gap: 0;
}
.key-dates-heading h2 {
    margin: 0 0 4px;
    font-size: 32px;
}
.key-dates-heading p {
    font-size: 18px;
    font-style: italic;
    color: var(--muted);
    margin: 0;
}
.key-date {
    padding: 4px 22px 0 30px;
    border-left: 1px solid #aac7f5;
}
.key-date time {
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    font-size: 21px;
    line-height: 1.4;
}
.key-date p {
    font-size: 17px;
    line-height: 1.4;
    margin: 4px 0 0;
}
.cohosts {
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.cohosts-inner {
    display: grid;
    grid-template-columns: 1fr 0.75fr 1.2fr 1.3fr;
    gap: 28px;
    align-items: center;
    min-height: 92px;
    padding-block: 20px;
}
.cohosts h2 {
    font-family: var(--sans);
    font-size: 23px;
    letter-spacing: -0.03em;
    font-weight: 700;
    padding-right: 0;
    margin: 0;
    line-height: 1.6;
}
.cohosts-inner > div {
    text-align: center;
    color: var(--navy);
    font-size: 22px;
    line-height: 1.4;
}
.cohosts a {
    text-decoration: none;
}
.home-details {
    padding-block: 52px;
}
.intro-section {
    max-width: 880px;
    margin-bottom: 65px;
}
.intro-section h2 {
    font-size: 46px;
    max-width: 660px;
}
.intro-section .content-section {
    padding: 8px 0 0;
    border: 0;
}
.intro-section .content-section h2 {
    font-size: 28px;
    letter-spacing: -0.02em;
}
.discover-section {
    margin-bottom: 70px;
}
.discover-section > .section-heading {
    align-items: end;
}
.discover-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.discover-card {
    display: flex;
    flex-direction: column;
    align-items: start;
    text-decoration: none;
    border-top: 1px solid var(--accent);
    padding: 24px 0 18px;
}
.discover-card:hover h3,
.discover-card:hover .text-link {
    color: var(--accent);
}
.card-number {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 0.12em;
    margin-bottom: 22px;
}
.discover-card h3 {
    font-family: var(--sans);
    font-weight: 700;
    font-size: 29px;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.discover-card p {
    color: var(--muted);
    max-width: 340px;
}
.text-link {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    gap: 50px;
    margin-top: auto;
    color: var(--navy);
}
/* Pages intérieures, données et contenus éditoriaux. */
.page-heading {
    padding-top: 33px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--accent);
}
.breadcrumb {
    display: inline-block;
    font-size: 13px;
    text-decoration: none;
    color: var(--muted);
    margin-bottom: 32px;
}
.breadcrumb span {
    margin-left: 12px;
    color: var(--accent);
}
.page-heading .eyebrow {
    font-size: 13px;
    margin-bottom: 12px;
}
.page-heading h1 {
    max-width: 950px;
    margin-bottom: 22px;
}
.page-heading .lead {
    margin-bottom: 0;
}
.page-grid {
    display: grid;
    grid-template-columns: 245px minmax(0, 1fr);
    gap: 65px;
    padding-top: 38px;
    padding-bottom: 90px;
}
.page-aside nav {
    display: grid;
    margin-bottom: 28px;
}
.page-aside nav a {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    text-decoration: none;
    line-height: 1.4;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.page-aside nav a[aria-current] {
    color: var(--accent);
    font-weight: 700;
}
.page-aside nav a:hover {
    color: var(--accent);
}
.page-aside nav span {
    color: var(--accent);
}
.page-content {
    max-width: 900px;
    min-width: 0;
}
.content-section {
    padding-top: 34px;
    padding-bottom: 10px;
    border-top: 1px solid var(--line);
    margin-top: 32px;
    scroll-margin-top: 25px;
}
.content-section:first-child {
    margin-top: 0;
    border-top: 0;
    padding-top: 0;
}
.content-section h2 {
    font-size: 32px;
    margin-bottom: 20px;
    letter-spacing: -0.025em;
}
.content-section p:last-child {
    margin-bottom: 0;
}
.editorial-list li {
    margin-bottom: 10px;
    padding-left: 5px;
}
.editorial-list li::marker {
    color: var(--accent);
}
.editorial-note {
    padding-left: 18px;
    border-left: 2px solid var(--accent);
    font-size: 14px;
    color: var(--muted);
    font-style: italic;
    margin-top: 22px;
}
.service-notice {
    display: flex;
    gap: 15px;
    padding: 22px 25px;
    background: var(--paper);
    border: 1px solid var(--line);
    margin-bottom: 35px;
}
.service-notice strong {
    font-size: 17px;
    line-height: 1.4;
    color: var(--navy);
}
.service-notice p {
    margin: 5px 0 0;
    font-size: 14px;
    color: var(--muted);
}
.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 10px;
}
.status-tag {
    border: 1px solid var(--line);
    font-size: 11px;
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 10px;
    color: var(--accent);
    white-space: nowrap;
}
.table-scroll {
    width: 100%;
    overflow-x: auto;
}
table {
    border-collapse: collapse;
    width: 100%;
    font-size: 15px;
    text-align: left;
}
th,
td {
    padding: 17px 18px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
thead {
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
thead th {
    border-top: 1px solid var(--accent);
    border-bottom: 1px solid var(--accent);
}
tbody th {
    font-weight: 400;
}
td {
    color: var(--navy);
}
.date-table td {
    min-width: 210px;
}
.date-table tbody tr:nth-child(even) {
    background: var(--paper);
}
.date-status {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-top: 3px;
}
.guidelines-table th:first-child {
    width: 27%;
}
.guidelines-table td {
    font-size: 14px;
}
.content-section > .table-scroll + .small {
    margin-top: 15px;
}
blockquote {
    font-family: var(--sans);
    font-size: 23px;
    line-height: 1.5;
    margin: 26px 0 0;
    padding: 20px 25px;
    border-left: 2px solid var(--accent);
    background: var(--paper);
}
.topic-count {
    font-size: 18px;
    color: var(--accent);
    border: 1px solid var(--line);
    padding: 0 10px;
}
.topic-group {
    border-top: 1px solid var(--line);
}
.topic-group:last-child {
    border-bottom: 1px solid var(--line);
}
.topic-group > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    list-style: none;
    padding: 22px 0;
    font-size: 19px;
    font-family: var(--sans);
    font-weight: 600;
    color: var(--navy);
    line-height: 1.4;
}
.topic-group > summary .chevron {
    margin-right: 7px;
}
.topic-list {
    padding-bottom: 18px;
}
.topic-item {
    display: grid;
    grid-template-columns: 43px 1fr;
    gap: 16px;
    border-top: 1px solid var(--line);
    padding: 17px 0;
}
.topic-code {
    font-size: 12px;
    color: var(--accent);
    font-weight: 700;
    padding-top: 2px;
    letter-spacing: 0.05em;
}
.topic-item h3 {
    font-size: 15px;
    line-height: 1.5;
    margin: 0 0 5px;
}
.topic-item p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
}
.topics-section + .button {
    margin-top: 30px;
}
.tier-name {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 20px;
}
.sponsor-tier {
    margin: 28px 0;
    padding: 25px;
    border: 1px solid var(--line);
    background: var(--paper);
}
.sponsor-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.sponsor-empty {
    grid-column: 1/-1;
    font-family: var(--sans);
    font-size: 24px;
    color: var(--muted);
    padding: 20px 0;
    text-align: center;
    margin: 0;
}
.organization {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 12px;
}
.organization h3 {
    font-weight: 500;
    font-size: 19px;
    color: var(--navy);
    margin: 0 0 6px;
}
.organization .small {
    font-size: 12px;
    margin: 4px 0;
}
.organization-link {
    text-decoration: none;
}
.organization-logo {
    width: auto;
    height: 85px;
    object-fit: contain;
    margin: 0 auto 20px;
}
.tier-platinum .organization-logo {
    height: 125px;
}
.tier-gold .organization-logo {
    height: 100px;
}
.tier-silver .organization-logo {
    height: 70px;
}
.pending-label {
    color: var(--accent);
}
.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}
.partners-grid > .organization {
    background: var(--paper-light);
    min-height: 170px;
}
.error-page {
    min-height: 55vh;
    padding-block: 80px;
}
.error-page h1 {
    max-width: 950px;
}
.site-footer {
    border-top: 1px solid var(--accent);
    background: var(--paper);
    padding: 48px 0;
}
.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}
.site-footer .brand {
    display: inline-block;
    font-size: 30px;
    margin-bottom: 17px;
}
.site-footer p {
    font-size: 14px;
    margin: 0 0 6px;
}
.site-footer nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 38px;
    align-content: start;
    font-size: 13px;
}
.site-footer nav a {
    text-decoration: none;
}
.site-footer nav a:hover {
    color: var(--accent);
}
@media (min-width: 1500px) {
    .hero {
        gap: 50px;
        padding-top: 40px;
        padding-bottom: 36px;
    }
    .hero-actions {
        gap: 20px;
    }
    .button {
        padding-inline: 23px;
    }
}
@media (max-width: 1200px) {
    .header-inner {
        gap: 23px;
    }
    .header-inner > .brand {
        padding-right: 23px;
        font-size: 30px;
    }
    .main-nav {
        gap: 18px;
        font-size: 14px;
    }
    .language-switch {
        padding-left: 23px;
    }
    .hero h1 {
        font-size: clamp(40px, 4.6vw, 56px);
    }
    .hero-copy {
        padding-left: 0;
    }
    .hero-actions {
        gap: 12px;
    }
    .hero .button {
        font-size: 15px;
        padding-inline: 16px;
    }
    .key-date {
        padding-inline: 24px 10px;
    }
    .key-date time {
        font-size: 19px;
    }
    .key-dates-heading h2 {
        font-size: 34px;
    }
    .cohosts h2 {
        font-size: 20px;
    }
    .cohosts-inner > div {
        font-size: 20px;
    }
    .page-grid {
        gap: 45px;
        grid-template-columns: 210px minmax(0, 1fr);
    }
}
@media (max-width: 1040px) {
    .header-inner {
        flex-wrap: wrap;
        gap: 20px;
        min-height: 74px;
        padding-block: 16px;
    }
    .header-inner > .brand {
        border: 0;
        padding: 0;
    }
    .language-switch {
        margin-left: auto;
        padding-left: 25px;
    }
    .menu-toggle {
        display: none;
        border: 0;
        background: none;
        padding: 6px;
        min-width: 36px;
        min-height: 36px;
        color: var(--navy);
    }
    .menu-toggle span {
        display: block;
        width: 25px;
        height: 2px;
        background: currentColor;
        margin: 5px 0;
    }
    .js .menu-toggle {
        display: block;
    }
    .main-nav {
        order: 4;
        width: 100%;
        flex-basis: 100%;
        padding: 16px 0 6px;
        align-items: stretch;
        gap: 4px;
        border-top: 1px solid var(--line);
    }
    .js .main-nav:not(.is-open) {
        display: none;
    }
    .main-nav > a,
    .nav-dropdown summary {
        padding: 12px;
    }
    .dropdown-menu {
        top: 100%;
        left: 0;
    }
    .dropdown-menu-end {
        right: 0;
        left: auto;
    }
    .hero {
        gap: 28px;
    }
    .hero h1 {
        font-size: clamp(34px, 4.5vw, 46px);
    }
    .hero-lead {
        font-size: 19px;
    }
    .hero .eyebrow {
        font-size: 16px;
    }
    .hero-date {
        font-size: 36px;
    }
    .date-caveat {
        font-size: 17px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .button {
        width: 100%;
    }
    .key-dates {
        grid-template-columns: 1fr 1fr 1fr;
        row-gap: 24px;
    }
    .key-dates-heading {
        grid-column: 1/-1;
        display: flex;
        align-items: baseline;
        gap: 18px;
    }
    .key-date {
        padding-left: 24px;
    }
    .key-date:nth-child(2) {
        border-left: 0;
        padding-left: 0;
    }
    .cohosts-inner {
        gap: 20px;
    }
    .cohosts h2 {
        font-size: 17px;
        padding-right: 16px;
    }
    .cohosts-inner > div {
        font-size: 18px;
    }
    .section-heading {
        flex-wrap: wrap;
        gap: 0 20px;
    }
    .page-grid {
        gap: 30px;
        grid-template-columns: 180px minmax(0, 1fr);
    }
    .page-heading h1 {
        font-size: 58px;
    }
    .footer-grid {
        gap: 30px;
    }
}
@media (max-width: 760px) {
    .container,
    .header-inner {
        width: calc(100% - 40px);
    }
    .header-inner {
        min-height: 65px;
        padding-block: 12px;
        gap: 18px;
    }
    .header-inner > .brand {
        font-size: 27px;
    }
    .language-switch {
        font-size: 13px;
        padding-left: 20px;
        margin-left: auto;
    }
    .main-nav {
        flex-direction: column;
        font-size: 15px;
        padding-top: 10px;
    }
    .main-nav > a,
    .nav-dropdown summary {
        padding: 13px 2px;
    }
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: 0;
        border-left: 1px solid var(--accent);
        padding: 0 0 0 10px;
        margin: 0 0 8px 5px;
        background: transparent;
    }
    .dropdown-menu a {
        padding: 10px 12px;
    }
    .hero {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
        padding-top: 25px;
        padding-bottom: 20px;
    }
    .hero-copy {
        padding: 0 0 0 2px;
    }
    .hero .eyebrow {
        font-size: 13px;
        letter-spacing: 0.17em;
        margin-bottom: 7px;
    }
    .hero h1 {
        font-size: clamp(30px, 8.7vw, 52px);
        line-height: 1.08;
        letter-spacing: -0.035em;
        margin-bottom: 18px;
    }
    .hero-rule {
        width: 47px;
        margin-bottom: 14px;
    }
    .hero-date {
        font-size: 32px;
        margin-bottom: 1px;
    }
    .date-caveat {
        font-size: 15px;
        margin-bottom: 12px;
    }
    .hero-lead {
        font-size: 16px;
        line-height: 1.45;
        margin-bottom: 19px;
        max-width: 480px;
    }
    .hero-actions {
        gap: 8px;
        max-width: 540px;
    }
    .hero-actions .button {
        min-height: 43px;
        font-size: 16px;
        padding: 9px 15px;
    }
    .service-hint {
        font-size: 12px;
        margin-top: 10px;
    }
    .hero-figure {
        margin: 0;
    }
    .hero-photo {
        aspect-ratio: 1.92;
    }
    .hero-figure figcaption {
        font-size: 9px;
        letter-spacing: 0.12em;
        margin-top: 7px;
    }
    .key-dates {
        grid-template-columns: 1fr;
        padding-top: 18px;
        padding-bottom: 24px;
        gap: 0;
    }
    .key-dates-heading {
        display: block;
        margin-bottom: 12px;
    }
    .key-dates-heading h2 {
        font-size: 30px;
        margin-bottom: 4px;
    }
    .key-dates-heading p {
        font-size: 14px;
    }
    .key-date,
    .key-date:nth-child(2) {
        border-left: 0;
        padding: 14px 0;
        border-top: 1px solid var(--line);
    }
    .key-date:nth-child(2) {
        border-top: 0;
        padding-top: 3px;
    }
    .key-date time {
        font-size: 19px;
    }
    .key-date p {
        font-size: 15px;
        margin-top: 2px;
    }
    .cohosts-inner {
        grid-template-columns: 1fr;
        gap: 13px;
        padding-block: 25px;
    }
    .cohosts h2 {
        font-size: 19px;
        border: 0;
        padding: 0;
        text-align: left;
    }
    .cohosts-inner > div {
        text-align: left;
        font-size: 18px;
    }
    .home-details {
        padding-block: 42px;
    }
    .intro-section {
        margin-bottom: 42px;
    }
    .intro-section h2 {
        font-size: 34px;
    }
    .intro-section .content-section h2 {
        font-size: 25px;
    }
    .lead {
        font-size: 18px;
    }
    .discover-section {
        margin-bottom: 40px;
    }
    .discover-section .section-heading h2 {
        margin-bottom: 12px;
    }
    .discover-section .section-heading p {
        font-size: 14px;
    }
    .discover-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .discover-card {
        padding: 20px 0 16px;
    }
    .card-number {
        margin-bottom: 12px;
    }
    .discover-card h3 {
        font-size: 27px;
    }
    .discover-card p {
        font-size: 15px;
        max-width: 100%;
    }
    .text-link {
        font-size: 14px;
    }
    .page-heading {
        padding-top: 24px;
        padding-bottom: 29px;
    }
    .breadcrumb {
        margin-bottom: 23px;
    }
    .page-heading h1 {
        font-size: 43px;
        overflow-wrap: anywhere;
    }
    .page-heading .lead {
        font-size: 17px;
    }
    .page-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 24px;
        padding-bottom: 48px;
    }
    .page-aside {
        display: none;
    }
    .content-section {
        padding-top: 25px;
        margin-top: 26px;
    }
    .content-section h2 {
        font-size: 28px;
    }
    .content-section p,
    .editorial-list {
        font-size: 15px;
    }
    .service-notice {
        padding: 18px 17px;
        margin-bottom: 28px;
        gap: 11px;
    }
    .service-notice strong {
        font-size: 16px;
    }
    .service-notice p {
        font-size: 13px;
    }
    .section-heading h2 {
        margin-bottom: 16px;
    }
    .status-tag {
        margin-bottom: 14px;
    }
    th,
    td {
        padding: 13px 9px;
        font-size: 13px;
    }
    .date-table td {
        min-width: 138px;
    }
    .date-table th {
        min-width: 135px;
    }
    thead th {
        font-size: 10px;
    }
    .date-status {
        font-size: 11px;
    }
    .guidelines-table th:first-child {
        width: 30%;
    }
    .guidelines-table td {
        font-size: 13px;
    }
    blockquote {
        padding: 16px 18px;
        font-size: 20px;
    }
    .topic-group > summary {
        font-size: 18px;
        padding: 18px 0;
    }
    .topic-item {
        gap: 10px;
        grid-template-columns: 35px 1fr;
    }
    .topic-item h3 {
        font-size: 14px;
    }
    .topic-item p {
        font-size: 12px;
    }
    .partners-grid {
        grid-template-columns: 1fr 1fr;
    }
    .organization {
        padding: 20px 10px;
    }
    .organization h3 {
        font-size: 17px;
    }
    .organization .small {
        font-size: 11px;
    }
    .sponsor-tier {
        padding: 20px 16px;
    }
    .sponsor-grid {
        grid-template-columns: 1fr;
    }
    .organization-logo {
        max-width: 100%;
        height: 70px;
    }
    .footer-grid {
        display: block;
    }
    .site-footer {
        padding: 32px 0;
    }
    .site-footer nav {
        margin-top: 26px;
        gap: 16px 20px;
    }
    .error-page {
        padding-block: 50px;
    }
    .error-page h1 {
        font-size: 43px;
    }
}
@media (max-width: 360px) {
    .container,
    .header-inner {
        width: calc(100% - 32px);
    }
    .header-inner {
        gap: 12px;
    }
    .header-inner > .brand {
        font-size: 24px;
    }
    .language-switch {
        padding-left: 15px;
    }
    .hero h1 {
        font-size: 30px;
    }
    .hero-date {
        font-size: 30px;
    }
    .hero-actions .button {
        font-size: 15px;
    }
    .partners-grid {
        grid-template-columns: 1fr;
    }
    .page-heading h1 {
        font-size: 37px;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}
@media print {
    .site-header,
    .site-footer,
    .page-aside,
    .hero-actions,
    .service-hint,
    .skip-link {
        display: none;
    }
    .container {
        width: 100%;
    }
    body {
        background: #fff;
        color: #000;
        font-size: 11pt;
    }
    .page-grid {
        display: block;
    }
    .page-heading {
        padding-top: 0;
    }
    .hero {
        padding-top: 0;
    }
    .hero h1 {
        font-size: 42pt;
    }
    .hero-figure {
        width: 40%;
    }
    .hero {
        display: flex;
        flex-direction: row;
    }
    .hero-copy {
        width: 60%;
    }
    .key-dates {
        page-break-inside: avoid;
    }
    .content-section {
        break-inside: avoid;
    }
    .topic-group {
        break-inside: auto;
    }
    .topic-group .topic-list {
        display: block;
    }
    .table-scroll {
        overflow: visible;
    }
}