/* SECTION: HEADER + NAVIGATION */

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.site-header__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  font-size: 0.9rem;
}

.site-header__brand-event {
  font-weight: 700;
}

.site-header__brand-date {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}


/* SECTION: HERO */

.hero {
  background-color: var(--color-navy); 
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1; 
  background: linear-gradient(
    180deg,
    rgba(11, 15, 30, 0.45) 0%,    
    rgba(11, 15, 30, 0.8) 100%    
  );
}

.hero__eyebrow {
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-navy-link);
}

.hero__title {
  margin-bottom: var(--space-2);
  font-size: clamp(1.9rem, 1.2rem + 3.5vw, 3.4rem);
  color: #FFFFFF;
}

.hero__subtitle {
  margin-bottom: var(--space-3);
  font-size: clamp(1.1rem, 1rem + 0.6vw, 1.4rem);
  font-weight: 400;
  color: var(--color-navy-text);
}

.hero__details {
  margin-bottom: var(--space-3);
  color: var(--color-navy-text);
}

.hero__details strong {
  color: #FFFFFF;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero :focus-visible {
  outline-color: var(--color-focus-dark);
}


/* SECTION: ABOUT */

.about__figure img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}


/* SECTION: CALL FOR ABSTRACTS */

.abstracts__banner img {
  border-bottom: 1px solid var(--color-border);
}

.abstracts__banner figcaption {
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.abstracts .btn + p {
  margin-top: var(--space-3);
}


/* SECTION: REGISTRATION */

.registration__fees {
  padding: var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.registration__info .btn {
  margin-top: 0.25rem;
}


/* SECTION: PROGRAMME */

.programme__note {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}


/* SECTION: INVITED SPEAKERS */

.speakers__note {
  color: var(--color-text-muted);
}


/* SECTION: ORGANISERS */


/* SECTION: FOOTER */

.site-footer {
  margin-top: var(--space-5);
  padding-block: var(--space-4);
  background-color: var(--color-navy);
  color: var(--color-navy-text);
}

.site-footer__title {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
}

.site-footer address {
  color: var(--color-navy-muted);
}

.site-footer a {
  color: var(--color-navy-link);
}

.site-footer a:hover {
  color: #FFFFFF;
}

.site-footer__nav ul,
.site-footer__credits ul {
  display: grid;
  gap: 0.4rem;
}

.site-footer__credits {
  font-size: 0.875rem;
  color: var(--color-navy-muted);
}

.site-footer__credits p {
  margin-bottom: 0.5rem;
}