/**
 * @file
 * LINCS Theme - Layout Styles
 * 
 * Stili per la struttura del layout e del grid system.
 */

/* ========================================
   CONTAINER
   ======================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: 960px;
}

.container--wide {
  max-width: 1440px;
}

.container--full {
  max-width: none;
}

/* ========================================
   PAGE LAYOUT
   ======================================== */

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

/* ========================================
   MAIN LAYOUT REGIONS
   ======================================== */

/* Header Top - Loghi istituzionali */
.header-top {
  background-color: var(--bg-institutional);
  color: var(--text-inverse);
  padding: var(--space-3) 0;
}

.header-top__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-top__logos {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-top__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-top__logo img {
  height: 40px;
  width: auto;
}

.header-top__logo-text {
  font-size: var(--font-size-xs);
  line-height: 1.3;
}

.header-top__logo-text strong {
  display: block;
  font-weight: var(--font-weight-semibold);
}

/* Main Header */
.header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.header__logo:hover {
  text-decoration: none;
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--sapienza-bordeaux);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.header__logo:hover .header__logo-icon {
  transform: scale(1.05);
}

.header__logo-text {
  font-family: var(--font-sans);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--sapienza-bordeaux);
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */

.main-content {
  padding: var(--space-8) 0;
}

.main-content--with-sidebar {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .main-content--with-sidebar {
    grid-template-columns: 1fr 300px;
  }
  
  .main-content--with-sidebar-left {
    grid-template-columns: 300px 1fr;
  }
  
  .main-content--with-both-sidebars {
    grid-template-columns: 260px 1fr 260px;
  }
}

/* Content Region */
.content-region {
  min-width: 0;
}

/* Sidebar Regions */
.sidebar {
  min-width: 0;
}

.sidebar .block {
  margin-bottom: var(--space-6);
}

.sidebar .block:last-child {
  margin-bottom: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--bg-footer);
  color: var(--text-inverse);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__content {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__content {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer__logo-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.footer__column-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--text-inverse);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: var(--space-2);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.footer__links a::before {
  content: '';
  width: 4px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
}

.footer__links a:hover {
  color: var(--text-inverse);
  text-decoration: none;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer__contact-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer__contact-text {
  font-size: var(--font-size-sm);
}

.footer__contact-text strong {
  display: block;
  color: var(--text-inverse);
  font-weight: var(--font-weight-medium);
}

.footer__contact-text span,
.footer__contact-text a {
  color: rgba(255, 255, 255, 0.6);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
}

.footer-bottom__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .footer-bottom__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom__links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom__links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom__links a:hover {
  color: var(--text-inverse);
}

.footer-bottom__legal {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--space-2);
}

/* ========================================
   FUNDING BANNER
   ======================================== */

.funding-banner {
  background: linear-gradient(90deg, var(--eu-blue) 0%, #0044CC 100%);
  padding: var(--space-4) 0;
}

.funding-banner__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .funding-banner__content {
    flex-direction: row;
    align-items: center;
  }
}

.funding-banner__logo {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.funding-banner__logo-icon {
  width: 56px;
  height: 56px;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.funding-banner__logo-text {
  color: white;
}

.funding-banner__logo-text strong {
  display: block;
  font-weight: var(--font-weight-semibold);
}

.funding-banner__logo-text span {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.funding-banner__divider {
  display: none;
  width: 1px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.2);
}

@media (min-width: 1024px) {
  .funding-banner__divider {
    display: block;
  }
}

.funding-banner__text {
  flex: 1;
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.funding-banner__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.funding-banner__link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
}