/* ======================================================================
   CIE Home
   Portal: Congreso Internacional de Espectro
   Alcance: /Portal/Inicio.aspx
   Versión: 1.0.0
   ====================================================================== */

/* ----------------------------------------------------------------------
   1. Variables y normalización local
   ---------------------------------------------------------------------- */

:root {
    --cie-color-primary: #071e3d;
    --cie-color-primary-strong: #041329;
    --cie-color-secondary: #005ea8;
    --cie-color-accent: #7ac943;
    --cie-color-accent-dark: #527f23;
    --cie-color-cyan: #16b9d4;
    --cie-color-violet: #6646c7;
    --cie-color-text: #243447;
    --cie-color-muted: #566573;
    --cie-color-border: #d9e2ea;
    --cie-color-background: #ffffff;
    --cie-color-background-soft: #f3f7fa;
    --cie-color-background-accent: #eaf5e3;
    --cie-color-focus: #ffbf47;
    --cie-color-error: #b42318;
    --cie-color-success: #237804;
    --cie-color-warning: #8a4b08;
    --cie-shadow-soft: 0 8px 24px rgba(7, 30, 61, 0.10);
    --cie-shadow-card: 0 4px 14px rgba(7, 30, 61, 0.12);
    --cie-radius-small: 4px;
    --cie-radius-medium: 10px;
    --cie-radius-large: 18px;
    --cie-container-width: 1200px;
    --cie-section-spacing: 72px;
    --cie-transition: 180ms ease-in-out;
}

#cie-page,
#cie-page *,
#cie-page *::before,
#cie-page *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

#cie-page {
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    color: var(--cie-color-text);
    background: var(--cie-color-background);
    font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

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

#cie-page a {
    color: var(--cie-color-secondary);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

#cie-page a:hover {
    color: var(--cie-color-primary);
}

#cie-page button,
#cie-page a {
    transition: color var(--cie-transition),
                background-color var(--cie-transition),
                border-color var(--cie-transition),
                box-shadow var(--cie-transition),
                transform var(--cie-transition);
}

#cie-page :focus-visible,
.cie-skip-link:focus {
    outline: 3px solid var(--cie-color-focus);
    outline-offset: 3px;
}

#cie-page [hidden] {
    display: none !important;
}

/* ----------------------------------------------------------------------
   2. Utilidades generales
   ---------------------------------------------------------------------- */

.cie-container {
    width: min(100% - 40px, var(--cie-container-width));
    margin-inline: auto;
}

.cie-main {
    display: block;
    width: 100%;
}

.cie-section {
    position: relative;
    width: 100%;
    padding-block: var(--cie-section-spacing);
    scroll-margin-top: 96px;
}
.cie-section--registration{
}

.cie-section--alternate {
    background: var(--cie-color-background-soft);
}

.cie-section--accent {
    color: #ffffff;
    background:
        linear-gradient(135deg,
            var(--cie-color-primary-strong) 0%,
            var(--cie-color-primary) 55%,
            #123f67 100%);
}

.cie-section__header {
    max-width: 780px;
    margin: 0 auto 36px;
    text-align: center;
}

.cie-section__eyebrow {
    margin: 0 0 8px;
    color: var(--cie-color-accent-dark);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cie-section--accent .cie-section__eyebrow {
    color: #c9f0ac;
}

.cie-section__title {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.18;
}

.cie-section--accent .cie-section__title {
    color: #ffffff;
}

.cie-section__description {
    margin: 16px auto 0;
    color: var(--cie-color-muted);
    font-size: 1.05rem;
}

.cie-section--accent .cie-section__description {
    color: #e4edf5;
}

.cie-section__actions {
    margin-top: 32px;
    text-align: center;
}

.cie-component-status {
    width: 100%;
    margin: 0;
    padding: 24px;
    color: var(--cie-color-muted);
    text-align: center;
    background: #ffffff;
    border: 1px dashed #afbdc9;
    border-radius: var(--cie-radius-medium);
}

.cie-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

/* ----------------------------------------------------------------------
   3. Enlace de salto y volver arriba
   ---------------------------------------------------------------------- */

.cie-skip-link {
    position: fixed;
    z-index: 10000;
    top: 10px;
    left: 10px;
    padding: 12px 18px;
    color: var(--cie-color-primary-strong) !important;
    font-weight: 700;
    background: #ffffff;
    border: 2px solid var(--cie-color-primary);
    border-radius: var(--cie-radius-small);
    transform: translateY(-180%);
}

.cie-skip-link:focus {
    transform: translateY(0);
}

.cie-back-to-top {
    position: fixed;
    z-index: 900;
    right: 22px;
    bottom: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    min-height: 48px;
    padding: 10px 14px;
    color: #ffffff !important;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none !important;
    background: var(--cie-color-primary);
    border: 2px solid #ffffff;
    border-radius: 999px;
    box-shadow: var(--cie-shadow-card);
}

.cie-back-to-top:hover {
    color: #ffffff !important;
    background: var(--cie-color-secondary);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------------
   4. Botones y enlaces de acción
   ---------------------------------------------------------------------- */

.cie-button,
#cie-page .cie-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 22px;
    color: #ffffff;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    background: var(--cie-color-secondary);
    border: 2px solid var(--cie-color-secondary);
    border-radius: var(--cie-radius-small);
    cursor: pointer;
}

#cie-page .cie-button:hover {
    color: #ffffff;
    background: var(--cie-color-primary);
    border-color: var(--cie-color-primary);
    transform: translateY(-1px);
}

#cie-page .cie-button--primary {
    color: var(--cie-color-primary-strong);
    background: var(--cie-color-accent);
    border-color: var(--cie-color-accent);
}

#cie-page .cie-button--primary:hover {
    color: #ffffff;
    background: var(--cie-color-accent-dark);
    border-color: var(--cie-color-accent-dark);
}

#cie-page .cie-button--secondary {
    color: var(--cie-color-primary);
    background: #ffffff;
    border-color: #ffffff;
}

#cie-page .cie-button--secondary:hover {
    color: #ffffff;
    background: transparent;
    border-color: #ffffff;
}

#cie-page .cie-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

#cie-page .cie-link-arrow::after {
    content: "\2192";
    font-size: 1.1em;
}

/* ----------------------------------------------------------------------
   5. Hero
   ---------------------------------------------------------------------- */

.cie-hero {
    min-height: 540px;
    display: flex;
    align-items: center;
    color: #ffffff;
    background-color: var(--cie-color-primary-strong);
    background-image:
        radial-gradient(circle at 80% 15%, rgba(22, 185, 212, 0.30), transparent 24%),
        radial-gradient(circle at 88% 75%, rgba(102, 70, 199, 0.32), transparent 24%),
        linear-gradient(115deg, rgba(4, 19, 41, 0.98) 0%, rgba(7, 30, 61, 0.94) 58%, rgba(7, 30, 61, 0.72) 100%);
    overflow: hidden;
}

.cie-hero::before,
.cie-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.cie-hero::before {
    width: 360px;
    height: 360px;
    right: -120px;
    top: -140px;
    border: 2px solid rgba(122, 201, 67, 0.32);
}

.cie-hero::after {
    width: 460px;
    height: 460px;
    right: 40px;
    bottom: -330px;
    border: 2px solid rgba(22, 185, 212, 0.28);
}

.cie-hero > .cie-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 50px;
    align-items: center;
}

.cie-hero__content {
    max-width: 720px;
}

.cie-hero__edition {
    margin: 0 0 12px;
    color: #c9f0ac;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cie-hero__title {
    margin: 0;
    color: #ffffff;
    font-size: clamp(2.45rem, 6vw, 4.9rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 0.98;
}

.cie-hero__slogan {
    max-width: 680px;
    margin: 24px 0 0;
    color: #e3edf6;
    font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.cie-hero__summary {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
    margin-top: 24px;
}

.cie-hero__dates,
.cie-hero__venue {
    margin: 0;
    color: #ffffff;
    font-weight: 700;
}

.cie-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.cie-hero__image {
    min-height: 400px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.cie-hero {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background: #031c3b;
}

.cie-hero__media {
    position: absolute;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    background: #031c3b;
}

.cie-hero__video {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 100%;
    height: 100%;

    min-width: 100%;
    min-height: 100%;

    transform: translate(-50%, -50%);

    object-fit: cover;
    object-position: center center;
}

.cie-hero__video-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;

    background:
        linear-gradient(
            90deg,
            rgba(1, 21, 45, .92) 0%,
            rgba(1, 29, 58, .78) 43%,
            rgba(4, 31, 63, .47) 70%,
            rgba(5, 26, 59, .55) 100%
        );
}

/*
 * El contenido debe permanecer por encima
 * del vídeo y de la capa de contraste.
 */
.cie-hero__content,
.cie-hero .cie-container {
    position: relative;
    z-index: 2;
}

@media (prefers-reduced-motion: reduce) {

    .cie-hero__video {
        display: none;
    }

    .cie-hero__media {
        background:
            #031c3b
            url("/CIE_SiteAssets/cie/img/hero-poster.jpg")
            center center / cover
            no-repeat;
    }
}
/* ----------------------------------------------------------------------
   6. Acerca del Congreso
   ---------------------------------------------------------------------- */

.cie-about__content {
    max-width: 880px;
    margin-inline: auto;
    font-size: 1.06rem;
    text-align: center;
}

.cie-about__content p {
    margin: 0 0 16px;
}

/* ----------------------------------------------------------------------
   7. Invitados
   ---------------------------------------------------------------------- */

.cie-speaker-card {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-card);
}

.cie-speaker-card__image {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
    background: #dfe7ed;
}

.cie-speaker-card__body {
    padding: 22px;
}

.cie-speaker-card__name {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: 1.2rem;
    line-height: 1.25;
}

.cie-speaker-card__role,
.cie-speaker-card__organization {
    margin: 8px 0 0;
    color: var(--cie-color-muted);
}

/* ----------------------------------------------------------------------
   8. Agenda y pestañas
   ---------------------------------------------------------------------- */

.cie-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--cie-color-border);
}

.cie-tabs__button {
    min-width: 120px;
    padding: 12px 18px;
    color: var(--cie-color-primary);
    font: inherit;
    font-weight: 700;
    background: transparent;
    border: 0;
    border-bottom: 4px solid transparent;
    cursor: pointer;
}

.cie-tabs__button:hover,
.cie-tabs__button.is-active,
.cie-tabs__button[aria-selected="true"] {
    color: var(--cie-color-secondary);
    border-bottom-color: var(--cie-color-accent);
}

.cie-agenda__day {
    max-width: 900px;
    margin-inline: auto;
}

.cie-agenda-item {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--cie-color-border);
}

.cie-agenda-item__time {
    color: var(--cie-color-secondary);
    font-weight: 800;
}

.cie-agenda-item__title {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: 1.08rem;
}

/* ----------------------------------------------------------------------
   9. Registro
   ---------------------------------------------------------------------- */

.cie-registration__summary {
    max-width: 760px;
    margin-inline: auto;
    text-align: center;
}

.cie-registration .cie-component-status {
    color: #dfeaf4;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.36);
}

.cie-registration__summary .cie-button {
    margin-top: 24px;
}

/* ----------------------------------------------------------------------
   10. Noticias
   ---------------------------------------------------------------------- */

.cie-news-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-card);
}

.cie-news-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #dfe7ed;
}

.cie-news-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px;
}

.cie-news-card__date {
    margin: 0 0 10px;
    color: var(--cie-color-muted);
    font-size: 0.875rem;
}

.cie-news-card__title {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: 1.18rem;
    line-height: 1.3;
}

.cie-news-card__summary {
    margin: 12px 0 18px;
    color: var(--cie-color-muted);
}

.cie-news-card__link {
    margin-top: auto;
    font-weight: 700;
}

/* ----------------------------------------------------------------------
   11. Ubicación
   ---------------------------------------------------------------------- */

.cie-venue__layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
    gap: 34px;
    align-items: stretch;
}

.cie-venue__information,
.cie-venue__map {
    min-height: 320px;
    padding: 32px;
    background: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-soft);
}

.cie-venue__information h3 {
    margin-top: 0;
    color: var(--cie-color-primary);
    font-size: 1.45rem;
}

.cie-venue__information address {
    margin: 0 0 20px;
    font-style: normal;
}

.cie-venue__map {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    background: #e8eef3;
}

.cie-venue__map iframe,
.cie-venue__map img {
    width: 100%;
    min-height: 320px;
    border: 0;
    object-fit: cover;
}

/* ----------------------------------------------------------------------
   12. Organizadores y aliados
   ---------------------------------------------------------------------- */

.cie-partners__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 28px 42px;
}

.cie-partner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
    min-height: 90px;
    padding: 16px;
    background: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-small);
}

.cie-partner img {
    max-width: 170px;
    max-height: 70px;
    object-fit: contain;
}

/* ----------------------------------------------------------------------
   13. Ayuda
   ---------------------------------------------------------------------- */

.cie-help__links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.cie-help__link {
    display: flex;
    align-items: center;
    min-height: 112px;
    padding: 22px;
    color: var(--cie-color-primary) !important;
    font-weight: 700;
    text-decoration: none !important;
    background: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-soft);
}

.cie-help__link:hover {
    color: #ffffff !important;
    background: var(--cie-color-primary);
    border-color: var(--cie-color-primary);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------------
   14. Formularios del portal
   ---------------------------------------------------------------------- */

.cie-form {
    max-width: 860px;
    margin-inline: auto;
}

.cie-form__group {
    margin-bottom: 22px;
}

.cie-form label,
.cie-form legend {
    display: block;
    margin-bottom: 8px;
    color: var(--cie-color-primary);
    font-weight: 700;
}

.cie-form input[type="text"],
.cie-form input[type="email"],
.cie-form input[type="tel"],
.cie-form select,
.cie-form textarea {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    color: var(--cie-color-text);
    font: inherit;
    background: #ffffff;
    border: 1px solid #7f8d99;
    border-radius: var(--cie-radius-small);
}

.cie-form textarea {
    min-height: 120px;
    resize: vertical;
}

.cie-form input:focus,
.cie-form select:focus,
.cie-form textarea:focus {
    border-color: var(--cie-color-secondary);
    box-shadow: 0 0 0 3px rgba(0, 94, 168, 0.18);
    outline: 2px solid transparent;
}

.cie-form__required {
    color: var(--cie-color-error);
}

.cie-form__hint {
    display: block;
    margin-top: 6px;
    color: var(--cie-color-muted);
    font-size: 0.875rem;
}

.cie-form__error {
    display: block;
    margin-top: 6px;
    color: var(--cie-color-error);
    font-weight: 700;
}

.cie-alert {
    margin: 20px 0;
    padding: 16px 18px;
    border-left: 5px solid var(--cie-color-secondary);
    border-radius: var(--cie-radius-small);
    background: #eaf4fb;
}

.cie-alert--success {
    color: #155724;
    background: #eaf6e6;
    border-left-color: var(--cie-color-success);
}

.cie-alert--error {
    color: #7a1812;
    background: #fff0ef;
    border-left-color: var(--cie-color-error);
}

/* ----------------------------------------------------------------------
   15. Ajustes sobre la interfaz clásica de SharePoint
   Aplicar únicamente dentro de esta página.
   ---------------------------------------------------------------------- */

#DeltaPlaceHolderMain {
    padding: 0;
}

#contentBox {
    min-width: 0;
}

#cie-page h1,
#cie-page h2,
#cie-page h3,
#cie-page h4,
#cie-page p {
    font-family: inherit;
}

#cie-page .ms-rteElement-H1,
#cie-page .ms-rteElement-H2,
#cie-page .ms-rteElement-H3 {
    color: inherit;
    font-family: inherit;
}

.cie-speaker-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    background-color: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-card);
}

.cie-speaker-card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #dfe7ed;
}

.cie-speaker-card__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cie-speaker-card__placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background-color: var(--cie-color-primary);
}

.cie-speaker-card__initials {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.cie-speaker-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px;
}

.cie-speaker-card__type {
    margin: 0 0 8px;
    color: var(--cie-color-accent-dark);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.cie-speaker-card__name {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: 1.2rem;
    line-height: 1.25;
}

.cie-speaker-card__name a {
    color: inherit !important;
    text-decoration: none;
}

.cie-speaker-card__name a:hover,
.cie-speaker-card__name a:focus {
    color: var(--cie-color-secondary) !important;
    text-decoration: underline;
}

.cie-speaker-card__role {
    margin: 12px 0 0;
    color: var(--cie-color-text);
    font-weight: 600;
}

.cie-speaker-card__organization {
    margin: 6px 0 0;
    color: var(--cie-color-muted);
}

.cie-agenda-item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--cie-color-border);
}

.cie-agenda-item:last-child {
    border-bottom: 0;
}

.cie-agenda-item__time {
    margin: 0;
    color: var(--cie-color-secondary);
    font-weight: 700;
}

.cie-agenda-item__content {
    min-width: 0;
}

.cie-agenda-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.cie-agenda-item__type,
.cie-agenda-item__status {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 3px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 999px;
}

.cie-agenda-item__type {
    color: var(--cie-color-primary);
    background-color: #eaf1f7;
}

.cie-agenda-item__status {
    color: #704000;
    background-color: #fff1cc;
}

.cie-agenda-item__title {
    margin: 0;
    color: var(--cie-color-primary);
    font-size: 1.15rem;
    line-height: 1.3;
}

.cie-agenda-item__room {
    margin: 8px 0 0;
    color: var(--cie-color-muted);
    font-weight: 600;
}

.cie-agenda-item__people {
    margin-top: 12px;
}

.cie-agenda-item__speakers,
.cie-agenda-item__moderator {
    margin: 4px 0;
    color: var(--cie-color-text);
}

.cie-agenda-item__update {
    margin: 12px 0 0;
    padding: 10px 12px;
    color: #704000;
    background-color: #fff8e5;
    border-left: 4px solid #d98900;
}

.cie-agenda-item__streaming {
    margin-top: 14px;
}

.cie-tabs__button:disabled {
    color: #88939d;
    cursor: not-allowed;
    opacity: 0.65;
}

@media screen and (max-width: 640px) {
    .cie-agenda-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

.cie-partners__groups {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.cie-partners__group {
    width: 100%;
}

.cie-partners__group-title {
    margin: 0 0 22px;
    color: var(--cie-color-primary);
    font-size: 1.3rem;
    text-align: center;
}

.cie-partners__list {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: center;
    gap: 24px;
}

.cie-partner {
    display: flex;
    width: 220px;
    min-height: 120px;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-decoration: none !important;
    background-color: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-soft);
}

a.cie-partner:hover,
a.cie-partner:focus {
    border-color: var(--cie-color-secondary);
    box-shadow: var(--cie-shadow-card);
    transform: translateY(-2px);
}

.cie-partner__logo {
    display: block;
    width: auto;
    max-width: 180px;
    max-height: 78px;
    object-fit: contain;
}

.cie-partner__fallback {
    display: flex;
    width: 100%;
    min-height: 78px;
    align-items: center;
    justify-content: center;
    color: var(--cie-color-primary);
    font-weight: 700;
    line-height: 1.3;
    text-align: center;
}

@media screen and (max-width: 640px) {
    .cie-partners__list {
        align-items: stretch;
        flex-direction: column;
    }

    .cie-partner {
        width: 100%;
    }
}

	/* ------------------------------------------------------------------
	Formulario de registro
    -------------------------------------------------------------------*/

.cie-registration__container {
    width: 100%;
    max-width: 960px;
    margin-right: auto;
    margin-left: auto;
}

.cie-registration-form {
    padding: 36px;
    color: var(--cie-color-text);
    background-color: #ffffff;
    border-radius: var(--cie-radius-large);
    box-shadow: var(--cie-shadow-card);
}

.cie-form__fieldset {
    min-width: 0;
    margin: 0 0 36px;
    padding: 0;
    border: 0;
}

.cie-form__legend {
    width: 100%;
    margin: 0 0 22px;
    padding: 0 0 12px;
    color: var(--cie-color-primary);
    font-size: 1.3rem;
    font-weight: 700;
    border-bottom: 1px solid var(--cie-color-border);
}

.cie-form__required-message {
    margin: -10px 0 22px;
    color: var(--cie-color-muted);
    font-size: 0.9rem;
}

.cie-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 26px;
}

.cie-form__group {
    min-width: 0;
    margin: 0;
}

.cie-form__group--full {
    grid-column: 1 / -1;
}

.cie-form label {
    display: block;
    margin: 0 0 8px;
    color: var(--cie-color-primary);
    font-weight: 700;
}

.cie-form input[type="text"],
.cie-form input[type="email"],
.cie-form input[type="tel"],
.cie-form input[type="number"],
.cie-form input[type="date"],
.cie-form select,
.cie-form textarea {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    color: var(--cie-color-text);
    font: inherit;
    background-color: #ffffff;
    border: 1px solid #687783;
    border-radius: var(--cie-radius-small);
}

.cie-form textarea {
    min-height: 5px;
    resize: vertical;
}

.cie-form input:focus,
.cie-form select:focus,
.cie-form textarea:focus {
    border-color: var(--cie-color-secondary);
    outline: 3px solid rgba(0, 94, 168, 0.2);
    outline-offset: 1px;
}

.cie-form [aria-invalid="true"] {
    border-color: var(--cie-color-error);
}

.cie-form__required {
    color: var(--cie-color-error);
}

.cie-form__hint,
.cie-form__supporting-text {
    display: block;
    margin: 7px 0 0;
    color: var(--cie-color-muted);
    font-size: 0.9rem;
}

.cie-form__error {
    display: block;
    margin: 7px 0 0;
    color: var(--cie-color-error);
    font-size: 0.9rem;
    font-weight: 700;
}

.cie-form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.cie-form__checkbox input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.cie-form__checkbox label {
    margin: 0;
}

.cie-captcha {
    padding: 22px;
    background-color: var(--cie-color-background-soft);
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-medium);
}

.cie-captcha__challenge {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
}

.cie-captcha__image-container {
    display: flex;
    min-width: 260px;
    min-height: 90px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #ffffff;
    border: 1px solid var(--cie-color-border);
    border-radius: var(--cie-radius-small);
}

.cie-captcha__image {
    display: block;
    max-width: 100%;
    height: auto;
}

.cie-form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 12px;
}

.cie-form__actions .cie-button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.cie-registration__message {
    margin: 24px 0 0;
    padding: 16px 18px;
    border-radius: var(--cie-radius-small);
}

.cie-registration__message.is-success {
    color: #155724;
    background-color: #eaf6e6;
    border-left: 5px solid var(--cie-color-success);
}

.cie-registration__message.is-error {
    color: #7a1812;
    background-color: #fff0ef;
    border-left: 5px solid var(--cie-color-error);
}

.cie-registration-confirmation {
    padding: 32px;
    color: var(--cie-color-text);
    background-color: #ffffff;
    border-left: 6px solid var(--cie-color-success);
    border-radius: var(--cie-radius-medium);
    box-shadow: var(--cie-shadow-card);
}

.cie-registration-confirmation h3 {
    margin-top: 0;
    color: var(--cie-color-primary);
}

.cie-registration-confirmation__details {
    margin: 24px 0 0;
}

.cie-registration-confirmation__details div {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 14px;
    padding: 10px 0;
    border-bottom: 1px solid var(--cie-color-border);
}

.cie-registration-confirmation__details dt {
    font-weight: 700;
}

.cie-registration-confirmation__details dd {
    margin: 0;
}

#cie-site [hidden],
#cie-page [hidden] {
    display: none !important;
}

@media screen and (max-width: 700px) {
    .cie-registration-form {
        padding: 24px 18px;
    }

    .cie-form__grid {
        grid-template-columns: 1fr;
    }

    .cie-captcha__challenge {
        align-items: stretch;
        flex-direction: column;
    }

    .cie-captcha__image-container {
        min-width: 0;
        width: 100%;
    }

    .cie-form__actions {
        flex-direction: column;
    }

    .cie-form__actions .cie-button {
        width: 100%;
    }

    .cie-registration-confirmation__details div {
        grid-template-columns: 1fr;
        gap: 3px;
    }
}
	/* ------------------------------------------------------------------
   16. Responsive
   ------------------------------------------------------------------- */

@media (max-width: 1024px) {
    :root {
        --cie-section-spacing: 60px;
    }

    .cie-hero > .cie-container {
        grid-template-columns: minmax(0, 1fr) minmax(260px, 0.65fr);
        gap: 32px;
    }

    .cie-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cie-help__links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --cie-section-spacing: 48px;
    }

    .cie-container {
        width: min(100% - 30px, var(--cie-container-width));
    }

    .cie-hero {
        min-height: auto;
        padding-block: 64px;
    }

    .cie-hero > .cie-container {
        grid-template-columns: 1fr;
    }

    .cie-hero__content {
        max-width: none;
    }

    .cie-hero__image {
        min-height: 240px;
        order: -1;
    }

    .cie-hero__actions,
    .cie-hero__summary {
        flex-direction: column;
        align-items: stretch;
    }

    .cie-hero__actions .cie-button {
        width: 100%;
    }

    .cie-card-grid,
    .cie-help__links,
    .cie-venue__layout {
        grid-template-columns: 1fr;
    }

    .cie-agenda-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .cie-tabs {
        justify-content: stretch;
    }

    .cie-tabs__button {
        flex: 1;
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .cie-container {
        width: min(100% - 24px, var(--cie-container-width));
    }

    .cie-section {
        padding-block: 40px;
    }

    .cie-hero__title {
        font-size: 2.35rem;
    }

    .cie-section__title {
        font-size: 1.65rem;
    }

    .cie-venue__information,
    .cie-venue__map {
        min-height: auto;
        padding: 22px;
    }

    .cie-back-to-top {
        right: 12px;
        bottom: 12px;
    }
}

/* ----------------------------------------------------------------------
   17. Preferencias de accesibilidad
   ---------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    #cie-page *,
    #cie-page *::before,
    #cie-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media (forced-colors: active) {
    .cie-button,
    .cie-component-status,
    .cie-speaker-card,
    .cie-news-card,
    .cie-venue__information,
    .cie-venue__map,
    .cie-help__link {
        border: 1px solid CanvasText;
    }
}

@media print {
    .cie-skip-link,
    .cie-back-to-top,
    .cie-hero__actions,
    .cie-section__actions,
    .cie-tabs {
        display: none !important;
    }

    .cie-section,
    .cie-hero {
        min-height: auto;
        padding-block: 24px;
        color: #000000;
        background: #ffffff !important;
        box-shadow: none;
    }

    .cie-section__title,
    .cie-hero__title,
    .cie-hero__slogan,
    .cie-hero__edition,
    .cie-hero__dates,
    .cie-hero__venue {
        color: #000000 !important;
    }
}