/* ============================================================================
   LINCOLN HILLS  —  layout.css
   ----------------------------------------------------------------------------
   Structural furniture shared by every page. Load AFTER base.css.
   Contains, in order:
     1.  Containers & the section wrapper (vertical rhythm)
     2.  Section heading block
     3.  Site header  (#site-header — injected by components.js)
     4.  Primary navigation + Lifestyle dropdown
     5.  Mobile navigation drawer
     6.  Site footer  (#site-footer — injected by components.js)
   Page-unique layout tweaks live in pages.css.
   ========================================================================== */


/* ============================================================================
   1. CONTAINERS & SECTION WRAPPER
   ----------------------------------------------------------------------------
   .container      — centred max-width wrapper with responsive side gutter
   .container--narrow — tighter measure for long-form copy
   .section        — standard vertical band; modifiers set the surface colour
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--space-section); }

/* Surface modifiers -------------------------------------------------------- */
.section--tint  { background: var(--bg-tint); }               /* warm ivory  */
.section--sand  { background: var(--sand); }                  /* deeper paper */
.section--navy  { background: var(--bg-dark); color: var(--text-on-dark); }
.section--flush-top    { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

/* Hairline separators between same-colour sections. */
.section--divide-top    { border-top: 1px solid var(--line-light); }
.section--navy.section--divide-top { border-top-color: var(--line-dark); }


/* ============================================================================
   2. SECTION HEADING BLOCK
   ----------------------------------------------------------------------------
   Markup:  .section-head > .eyebrow + h2 + .lede (optional)
   .section-head--center centres it and the rule.
   ========================================================================== */
.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .eyebrow { margin-bottom: 1.1rem; }
.section-head h2 + .lede { margin-top: 1.5rem; }
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.section-head--center .rule { margin-inline: auto; }


/* ============================================================================
   3. SITE HEADER
   ----------------------------------------------------------------------------
   Fixed, transparent while at the top of a hero, then gains a solid navy
   background + hairline once the page is scrolled (class .is-scrolled added
   by main.js). On pages flagged .no-hero the solid state is forced.
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  height: var(--header-h);
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              height var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
/* Legibility wash for the transparent (over-hero) state — a soft navy fade
   from the top so light nav text stays readable over bright imagery.
   Hidden once the header goes solid. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(11, 26, 48, 0.55), rgba(11, 26, 48, 0));
  transition: opacity var(--dur) var(--ease);
}
.site-header.is-scrolled::before,
body.no-hero .site-header::before { opacity: 0; }
.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Scrolled / forced-solid state */
.site-header.is-scrolled,
body.no-hero .site-header {
  background: var(--navy-900);
  border-bottom-color: var(--line-dark);
  height: 74px;
}

/* Brand lock-up */
.site-header__brand { flex: none; display: block; line-height: 0; }
.site-header__brand img {
  width: clamp(118px, 12vw, 146px);
  transition: width var(--dur) var(--ease);
}
.site-header.is-scrolled .site-header__brand img { width: 118px; }


/* ============================================================================
   4. PRIMARY NAVIGATION
   ========================================================================== */
.nav { display: flex; align-items: center; gap: clamp(0.9rem, 1.8vw, 1.6rem); }

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.7vw, 1.7rem);
}
.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.4rem;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
  white-space: nowrap;
}
.nav__link::after {                 /* animated gold underline */
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover,
.nav__link[aria-current="page"] { color: #fff; }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after,
.nav__item--active > .nav__link::after { transform: scaleX(1); }

/* --- Lifestyle dropdown ------------------------------------------------- */
.nav__item--has-menu { position: relative; }
.nav__submenu {
  position: absolute;
  top: 100%; left: 50%;
  transform: translate(-50%, 8px);
  min-width: 244px;
  padding: 0.6rem 0;
  background: var(--navy-900);
  border: 1px solid var(--line-dark);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              visibility var(--dur-fast);
}
.nav__item--has-menu:hover .nav__submenu,
.nav__item--has-menu:focus-within .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.nav__submenu a {
  display: block;
  padding: 0.7rem 1.5rem;
  font-size: 0.72rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}
.nav__submenu a:hover { color: #fff; background: var(--navy-700); }

/* Desktop nav / mobile toggle visibility swap */
.nav__desktop { display: flex; }
.nav__toggle  { display: none; }


/* ============================================================================
   5. MOBILE NAVIGATION DRAWER
   ----------------------------------------------------------------------------
   Full-screen navy overlay. Toggled by main.js which flips
   body.nav-open and the .site-nav-drawer.is-open class.
   ========================================================================== */
.nav__toggle {
  width: 42px; height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  flex: none;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 26px; height: 1.5px;
  background: #fff;
  /* Soft shadow keeps the bars legible over bright hero corners while the
     header is still transparent. */
  box-shadow: 0 0 6px rgba(11, 26, 48, 0.55);
  transition: transform var(--dur-fast) var(--ease),
              opacity var(--dur-fast) var(--ease);
}
.site-header.is-scrolled .nav__toggle span,
.site-header.is-scrolled .nav__toggle span::before,
.site-header.is-scrolled .nav__toggle span::after,
body.no-hero .nav__toggle span,
body.no-hero .nav__toggle span::before,
body.no-hero .nav__toggle span::after { box-shadow: none; }
.nav__toggle span::before { transform: translateY(-8px); }
.nav__toggle span::after  { transform: translateY(6.5px); }
.nav__toggle span { position: relative; }
body.nav-open .nav__toggle span { background: transparent; }
body.nav-open .nav__toggle span::before { transform: rotate(45deg); }
body.nav-open .nav__toggle span::after  { transform: rotate(-45deg); }

.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 3rem;
  background: var(--navy-900);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              visibility var(--dur);
}
.nav-drawer.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

.nav-drawer__list { display: flex; flex-direction: column; }
.nav-drawer__list > li { border-bottom: 1px solid var(--line-dark); }
.nav-drawer__link {
  display: block;
  padding: 1.25rem 0;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 500;
  color: #fff;
}
.nav-drawer__link:hover { color: var(--gold-400); }
.nav-drawer__sublist { padding: 0 0 1rem 0.25rem; }
.nav-drawer__sublist a {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.78rem;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}
.nav-drawer__cta { margin-top: 2.5rem; }


/* ============================================================================
   6. SITE FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-900);
  color: var(--text-on-dark);
  border-top: 1px solid var(--line-dark);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.site-footer__brand img { width: 170px; margin-bottom: 1.5rem; }
.site-footer__brand p {
  font-size: 0.95rem;
  color: rgba(233, 226, 210, 0.7);
  max-width: 40ch;
}
.site-footer__col h4 {
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 1.5rem;
}
.site-footer__col ul { display: flex; flex-direction: column; gap: 0.85rem; list-style: none; }
.site-footer__col li { padding: 0; }
.site-footer__col a,
.site-footer__col address {
  font-size: 0.92rem;
  font-style: normal;
  color: rgba(233, 226, 210, 0.78);
  line-height: 1.7;
}
.site-footer__col a:hover { color: #fff; }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.75rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(233, 226, 210, 0.55);
}
.site-footer__bottom nav { display: flex; gap: 1.5rem; }
.site-footer__disclaimer {
  padding-bottom: 2.5rem;
  font-size: 0.72rem;
  line-height: 1.7;
  color: rgba(233, 226, 210, 0.4);
  max-width: 92ch;
}


/* ============================================================================
   7. RESPONSIVE  —  layout breakpoints
   ----------------------------------------------------------------------------
   1024px : collapse primary nav to the drawer
    720px : footer columns stack
   ========================================================================== */
@media (max-width: 1180px) {
  /* Eight primary items + brand + CTA need the room; below this the nav
     collapses to the drawer. Raised specificity (.nav …) so this beats the
     non-media `.btn` rule in components.css, which would otherwise keep the
     Enquire button visible. */
  .nav .nav__desktop { display: none; }
  .nav .nav__toggle  { display: flex; }
  .site-header.is-scrolled { height: 74px; }
}

@media (max-width: 720px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}