/**
 * @file
 * Layout: header, footer, containers, site chrome.
 *
 * Shared layout rules from design/nellu.css.
 * Selectors and values preserved from the approved homepage prototype.
 */

.site-header {
  display: block;
  margin: 0;
  padding: 0;
  background: #fff;
  color: inherit;
  max-width: 100%;
}

.site-tape {
  background: var(--red);
  color: #fff;
}

.site-tape__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  list-style: none;
  margin: 0 auto;
  padding: 10px 24px;
  max-width: 1400px;
}

.site-tape__item {
  margin: 0;
}

.site-tape a {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.site-tape a:hover,
.site-tape a:focus-visible {
  text-decoration: underline;
}

.site-tape a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.site-header__brand {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 16px 0;
  background: #000;
}

.site-header__brand-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
  gap: 20px;
  align-items: center;
  justify-items: stretch;
  width: 80%;
  margin-inline: auto;
}

.site-header__logo,
.site-header__ad {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
}


.site-header__ad {
  display: flex;
  gap: 20px;
}

.site-header__ad-item {
  flex: 1;
}

/* Mobile */
@media (max-width: 767px) {
  .site-header__ad-item--second {
    display: none;
  }
}
.site-header__logo a {
  display: block;
  max-width: 100%;
}

/* Desktop target is 345×143. Narrow screens use the same ratio, scaled down. */
.site-header__logo img {
  display: block;
  width: min(345px, 100%);
  height: auto;
  aspect-ratio: 345 / 143;
  object-fit: contain;
  object-position: center;
}

.site-header__ad img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.site-header__ad .advertisement {
  flex: 1 1 0;
  margin: 0;
  width: auto;
  min-width: 0;
  max-width: 100%;
}

.site-nav {
  background: #fff;
  color: #111;
  position: relative;
  width: 100%;
}

.site-nav__toggle {
  display: none;
  margin: 0;
  padding: 12px 24px;
  color: #111;
  font-weight: 700;
  cursor: pointer;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 22px;
  list-style: none;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
}

.site-nav__item {
  position: relative;
  margin: 0;
}

.site-nav a,
.site-nav button {
  color: #111;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.site-nav a:hover,
.site-nav button:hover,
.site-nav a.is-active,
.site-nav a[aria-current="page"] {
  color: var(--red);
  text-decoration: underline;
}

.site-nav a:focus-visible,
.site-nav button:focus-visible,
.site-nav__checkbox:focus-visible + .site-nav__toggle {
  outline: 2px solid #000;
  outline-offset: 3px;
}

.site-nav__item--dropdown > button::after {
  content: " ▼";
  font-size: 0.7em;
}

.site-nav__submenu {
  display: none;
  position: absolute;
  z-index: 20;
  top: 100%;
  left: 0;
  min-width: 220px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: #fff;
  color: #111;
  box-shadow: var(--shadow);
}

.site-nav__item--dropdown:hover > .site-nav__submenu,
.site-nav__item--dropdown:focus-within > .site-nav__submenu {
  display: block;
}

.site-nav__submenu a {
  display: block;
  padding: 8px 16px;
  color: #111;
}

.site-nav__submenu a:hover,
.site-nav__submenu a:focus-visible {
  background: #f5f5f5;
  color: var(--red);
  text-decoration: none;
}

.site-nav__submenu a:focus-visible {
  outline-color: var(--red);
}

@media (max-width: 992px) {
  .site-tape__list,
  .site-nav__list {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header__brand-inner {
    width: 100%;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 768px) {
  .site-header__brand {
    padding: 12px 0;
  }

  .site-header__brand-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    width: 100%;
    padding-left: 12px;
    padding-right: 12px;
  }

  .site-header__ad {
    flex-direction: column;
  }

  .site-nav__toggle {
    display: inline-block;
  }

  .site-nav__list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 0;
    padding-bottom: 12px;
  }

  .site-nav__checkbox:checked ~ .site-nav__list {
    display: flex;
  }

  .site-nav__item {
    border-top: 1px solid rgba(0, 0, 0, 0.12);
  }

  .site-nav__item > a,
  .site-nav__item > button {
    display: block;
    padding: 12px 0;
  }

  .site-nav__submenu {
    display: block;
    position: static;
    min-width: 0;
    margin: 0 0 8px;
    padding: 0 0 4px 12px;
    background: transparent;
    color: #fff;
    box-shadow: none;
  }

  .site-nav__submenu a {
    color: #111;
    padding: 8px 0;
  }

  .site-nav__submenu a:hover,
  .site-nav__submenu a:focus-visible {
    background: transparent;
    text-decoration: underline;
  }
}

.section {
  max-width: 1400px;
  margin: auto;
  padding: 24px;
  width: 100%;
}

@media (max-width: 992px) {
  .section {
    padding: 20px 16px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 16px 12px;
  }
}

/* Footer (homepage prototype structure) */
.footer {
  background: #111;
  color: #ddd;
  margin-top: 60px;
}

.footer-container {
  max-width: 1400px;
  margin: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding: 50px 25px;
}

.footer h3,
.footer h4 {
  color: #fff;
  margin-bottom: 18px;
}

.footer p {
  line-height: 1.8;
  color: #bbb;
}

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

.footer ul li {
  margin-bottom: 10px;
}

.footer a {
  color: #ddd;
  text-decoration: none;
  transition: .3s;
}

.footer a:hover {
  color: #fff;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, .1);
  text-align: center;
  padding: 18px;
  color: #999;
  font-size: 14px;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .social-links {
    align-items: center;
  }
}