/* ==========================================================================
   Vistaar Homes — Layout
   1. Header & navigation   2. Mobile menu   3. Footer
   4. Mobile action bar     5. Back to top
   ========================================================================== */

/* ---------- 1. Header & navigation ---------- */
.site-nav {
  --nav-fg: #fff;
  min-height: var(--nav-height);
  padding: 0;
  padding-top: env(safe-area-inset-top);
  background: transparent;
  color: var(--nav-fg);
  transition:
    background-color var(--duration) ease,
    box-shadow var(--duration) ease,
    color var(--duration) ease;
}

/* Thin rule under the transparent header */
.site-nav::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
  transition: background-color var(--duration) ease;
}

/* Solid state: after scrolling, and on pages without a hero */
.site-nav.is-scrolled,
.header-solid .site-nav {
  --nav-fg: var(--ink);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
}

.site-nav.is-scrolled::after,
.header-solid .site-nav::after {
  background: var(--line);
}

.site-nav__inner {
  min-height: var(--nav-height);
  padding-right: max(var(--bs-gutter-x, 0.75rem) * 0.5, env(safe-area-inset-right));
  padding-left: max(var(--bs-gutter-x, 0.75rem) * 0.5, env(safe-area-inset-left));
}

/* Logo: one SVG, text colour follows the header state (currentColor) */
.brand-logo {
  width: auto;
  height: 44px;
  aspect-ratio: 3162 / 950;
  color: inherit;
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 0;
  padding: 0;
  color: var(--nav-fg);
}

.site-nav__brand:hover {
  color: var(--nav-fg);
}

.site-nav__desktop {
  align-items: center;
  gap: 1.75rem;
}

.site-nav__links {
  flex-direction: row;
  /*gap: 0.15rem;*/
  gap: 3.15rem;
}

.site-nav__links .nav-link {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  color: var(--nav-fg);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Animated underline */
.site-nav__links .nav-link::after {
  position: absolute;
  right: 0.85rem;
  bottom: 0.45rem;
  left: 0.85rem;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--brand);
  content: "";
  transition: transform var(--duration) var(--ease-out);
}

.site-nav__links .nav-link.active::after {
  transform: scaleX(1);
}

.site-nav__links .nav-link.active {
  color: var(--nav-fg);
}

.site-nav__phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--nav-fg);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__phone .bi {
  color: var(--brand);
}

.site-nav__cta {
  white-space: nowrap;
}

/* Hamburger: three sharp bars */
.site-nav__toggler {
  display: grid;
  width: 48px;
  height: 48px;
  place-content: center;
  gap: 6px;
  padding: 0;
  border: 1px solid currentColor;
  border-color: color-mix(in srgb, var(--nav-fg) 45%, transparent);
  background: transparent;
  color: var(--nav-fg);
}

.site-nav__toggler-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
}

.site-nav__toggler-bar:nth-child(2) {
  width: 16px;
  justify-self: end;
}

@media (min-width: 1200px) {
  .site-nav__phone {
    display: inline-flex;
  }
  .brand-logo {
    height: 52px;
  }
}

/* ---------- 2. Mobile off-canvas menu ---------- */
.site-menu {
  --bs-offcanvas-width: min(88vw, 400px);
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--surface);
  color: var(--ink);
  overscroll-behavior: contain;
}

.site-menu__header {
  min-height: var(--nav-height);
  border-bottom: var(--rule);
}

.site-menu__brand {
  color: var(--ink);
}

.site-menu__brand .brand-logo {
  height: 40px;
}

.site-menu__close {
  width: 44px;
  height: 44px;
  padding: 0;
}

.site-menu__body {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.5rem 1.5rem;
}

.site-menu__links {
  margin-bottom: 1.75rem;
}

.site-menu__links .nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding: 0.75rem 0;
  border-bottom: var(--rule);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
}

.site-menu__links .nav-link .bi {
  color: var(--brand-600);
  font-size: 1rem;
}

.site-menu__links .nav-link.active {
  color: var(--brand-700);
}

.site-menu__cta {
  min-height: 52px;
}

.site-menu__contact {
  display: grid;
  gap: 0.25rem;
  margin-top: auto;
  padding-top: 2rem;
}

.site-menu__contact a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.site-menu__contact .bi {
  color: var(--brand-600);
}

/* ---------- 3. Footer ---------- */
.site-footer {
  background: var(--ink-900);
  color: var(--on-dark-soft);
  font-size: 0.925rem;
}

.site-footer__main {
  padding: 72px 0 56px;
  border-top: 3px solid var(--brand);
}

.site-footer__logo {
  display: inline-flex;
  margin-bottom: 1.5rem;
  color: #fff;
}

.site-footer__logo .brand-logo {
  height: 56px;
}

.site-footer__about {
  max-width: 420px;
}

.site-footer__heading {
  margin-bottom: 1.25rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.site-footer__links li + li {
  margin-top: 0.1rem;
}

.site-footer__links a,
.site-footer__contact a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--on-dark-soft);
  text-decoration: none;
}

.site-footer__contact {
  display: grid;
  gap: 0.15rem;
  margin-bottom: 1.75rem;
}

.site-footer__contact a {
  align-items: flex-start;
  gap: 0.7rem;
  padding-block: 0.45rem;
  overflow-wrap: anywhere;
}

.site-footer__contact .bi {
  margin-top: 0.2rem;
  color: var(--brand);
}

.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
}

.social-link {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--on-dark-line);
  color: #fff;
  text-decoration: none;
}

/* Footer newsletter */
.newsletter-form .form-label {
  color: #fff;
}

.newsletter-form__row {
  display: flex;
}

.newsletter-form__row .form-control {
  flex: 1 1 auto;
  min-width: 0;
  border-color: transparent;
}

.newsletter-form__submit {
  flex: 0 0 auto;
}

.newsletter-form__consent {
  margin-top: 0.85rem;
}

.newsletter-form .form-check-label {
  color: var(--on-dark-soft);
  font-size: 0.8rem;
}

.newsletter-form .form-check-input {
  border-color: rgba(255, 255, 255, 0.5);
  background-color: transparent;
}

.newsletter-form .invalid-feedback {
  color: #ffb4a8;
}

.site-footer__bottom {
  padding: 1.25rem 0 calc(1.25rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--on-dark-line);
  font-size: 0.8rem;
}

.site-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
}

.site-footer__bottom p {
  margin: 0;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0;
}

.site-footer__bottom a {
  color: #fff;
}

/* Leave room for the mobile action bar */
@media (max-width: 767.98px) {
  .site-footer__bottom {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }
}

/* ---------- 4. Mobile action bar (Call / Book a Visit) ---------- */
.mobile-action-bar {
  position: fixed;
  z-index: 1035;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  background: var(--ink);
  box-shadow: 0 -6px 24px rgba(17, 24, 39, 0.18);
}

.mobile-action-bar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 56px;
  border: 0;
  background: var(--ink);
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.mobile-action-bar__item--accent {
  background: var(--brand-600);
}

.mobile-action-bar__item:active {
  filter: brightness(0.9);
}

/* ---------- 5. Back to top ---------- */
.back-to-top {
  position: fixed;
  z-index: 1030;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(76px + env(safe-area-inset-bottom));
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: var(--rule);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

@media (min-width: 768px) {
  .back-to-top {
    bottom: max(24px, env(safe-area-inset-bottom));
  }
}

/* Footer newsletter text on the dark background */
.site-footer .form-privacy {
  margin: 1rem 0;
  color: var(--on-dark-soft);
}

.site-footer .form-privacy a {
  color: #fff;
}

.newsletter-form .form-control {
  border-color: transparent;
}