/* ==========================================================================
   layout.css — the page skeleton
   Header, footer, containers, sections and grids.
   ========================================================================== */

/* ---------- Containers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding-block: var(--section-pad);
}

.section--white { background: var(--color-white); }

/* ---------- Split: text beside image ---------- */
.split {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 860px) {
  .split { grid-template-columns: 1fr 1fr; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--color-line), 0 10px 30px -20px rgba(47, 48, 43, 0.3);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-header__logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-plum);
  text-decoration: none;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-nav__link {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
}

/* Underline that grows on hover and stays on the current page */
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--color-plum);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav__toggle {
  display: none;
}

/* Mobile menu */
@media (max-width: 899px) {
  .site-nav__toggle {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 0;
    background: none;
    cursor: pointer;
    color: var(--color-ink);
  }

  .site-nav__toggle-bar,
  .site-nav__toggle-bar::before,
  .site-nav__toggle-bar::after {
    display: block;
    width: 24px;
    height: 1.5px;
    background: currentColor;
    transition: transform 0.3s var(--ease-out), background 0.3s;
  }

  .site-nav__toggle-bar { position: relative; }
  .site-nav__toggle-bar::before,
  .site-nav__toggle-bar::after {
    content: "";
    position: absolute;
    left: 0;
  }
  .site-nav__toggle-bar::before { top: -7px; }
  .site-nav__toggle-bar::after  { top: 7px; }

  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar { background: transparent; }
  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar::before { transform: translateY(7px) rotate(45deg); }
  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar::after  { transform: translateY(-7px) rotate(-45deg); }

  .site-nav__list {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5) var(--gutter) var(--space-6);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s, transform 0.3s var(--ease-out), visibility 0.3s;
  }

  .site-nav__list.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  padding-block: var(--space-7) var(--space-5);
  color: var(--color-white);
  text-align: center;
  background: var(--color-ink);   /* plain: the countdown above already uses a photo */
}

.site-footer__names {
  margin-bottom: var(--space-2);
  font-family: var(--font-script);
  font-size: var(--text-2xl);
  line-height: 1.1;
}

.site-footer__date {
  font-family: var(--font-display);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: var(--text-sm);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3) var(--space-5);
  margin-block: var(--space-5);
}

.site-footer__links a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  opacity: 0.85;
}

.site-footer__links a:hover { opacity: 1; }

.site-footer__credit {
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: var(--text-sm);
  opacity: 0.8;
}

.site-footer__credit a { text-underline-offset: 3px; }