/* =========================================================
   NAVIGATION — Top bar + Hamburger drawer
   ========================================================= */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 22px 40px;
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease), padding 0.5s var(--ease);
  background: transparent;
}

.topbar.is-scrolled {
  background: rgba(245, 241, 234, 0.92);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  padding: 14px 40px;
  border-bottom: 1px solid var(--line);
}

/* Initial state on dark hero — light text */
.topbar.is-on-dark { color: var(--ivory); }
.topbar.is-on-dark .topbar-link,
.topbar.is-on-dark .brand,
.topbar.is-on-dark .topbar-phone,
.topbar.is-on-dark .menu-toggle { color: var(--ivory); }
.topbar.is-on-dark .menu-toggle span { background: var(--ivory); }

.topbar.is-scrolled,
.topbar.is-scrolled .topbar-link,
.topbar.is-scrolled .brand,
.topbar.is-scrolled .topbar-phone { color: var(--charcoal); }
.topbar.is-scrolled .menu-toggle span { background: var(--charcoal); }

/* Left — SELL | PROPERTIES | WELCOME HOME */
.topbar-nav {
  display: flex;
  gap: 28px;
  font-family: var(--f-heading);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.topbar-link { position: relative; padding: 4px 0; opacity: 0.85; }
.topbar-link:hover { opacity: 1; color: var(--bronze); }
.topbar-sep { opacity: 0.4; }

/* Two-line stacked link (welcome / Home) */
.topbar-link-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  gap: 2px;
}
.topbar-link-small {
  font-size: 8px;
  letter-spacing: 0.4em;
  opacity: 0.7;
  text-transform: lowercase;
}
.topbar-link-large {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* =========================================================
   BRAND — center logo + wordmark
   ========================================================= */
.brand {
  font-family: var(--f-heading);
  font-size: 13px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  line-height: 1;
  color: var(--charcoal);
}

/* Brand mark — wraps the two stacked <img class="sg-mark"> tags.
   Marks are square-ish monograms (sg-mark.svg / sgwhite.png),
   so we use a square box rather than a 4:3 one. */
.brand-mark {
  position: relative;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s var(--ease), width 0.5s var(--ease), height 0.5s var(--ease);
}
.brand:hover .brand-mark { transform: scale(1.06); }
.topbar.is-scrolled .brand-mark { width: 46px; height: 46px; }

/* Wordmark sits directly below the S/G mark. Colour follows .brand
   (charcoal by default, ivory over hero, charcoal scrolled). */
.brand-wordmark {
  display: block;
  font-family: var(--f-heading);
  font-size: 12px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  font-weight: 400;
  color: inherit;
  margin-top: 6px;
  line-height: 1;
  transition: font-size 0.5s var(--ease), margin-top 0.5s var(--ease);
}
.topbar.is-scrolled .brand-wordmark { font-size: 11px; margin-top: 4px; }

.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 0.45em;
  opacity: 0.7;
  margin-top: 1px;
  font-weight: 300;
}

/* Right — phone + hamburger */
.topbar-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 28px;
}
.topbar-phone {
  font-family: var(--f-heading);
  font-size: 10.5px;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.85;
}
.topbar-phone:hover { opacity: 1; color: var(--bronze); }

/* Hide phone on home */
body.is-home .topbar-phone { display: none; }

/* Hamburger button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 6px 0;
}
.menu-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--charcoal);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), background 0.4s var(--ease);
}
.menu-toggle span:nth-child(2) { width: 70%; margin-left: auto; }

/* =========================================================
   DRAWER
   ========================================================= */
.drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(440px, 90vw);
  height: 100vh;
  background: var(--dark);
  color: var(--dark-text);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.7s var(--ease);
  display: flex;
  flex-direction: column;
  padding: 100px 56px 40px;
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 28, 24, 0.5);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease);
}
.drawer-overlay.is-open { opacity: 1; pointer-events: auto; }

.drawer-close {
  position: absolute;
  top: 32px; right: 40px;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--dark-text);
  font-family: var(--f-heading);
  font-size: 11px;
  letter-spacing: 0.28em;
}
.drawer-close::before, .drawer-close::after {
  content: '';
  position: absolute;
  width: 22px; height: 1px;
  background: var(--dark-text);
}
.drawer-close::before { transform: rotate(45deg); }
.drawer-close::after { transform: rotate(-45deg); }

.drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 20px;
}
.drawer-nav li {
  border-bottom: 1px solid var(--line-light);
  overflow: hidden;
}
.drawer-nav a {
  display: block;
  padding: 22px 0;
  font-family: var(--f-heading);
  font-size: 14px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--dark-text);
  position: relative;
  transition: padding-left 0.5s var(--ease), color 0.4s var(--ease);
}
.drawer-nav a:hover { color: var(--bronze-soft); padding-left: 14px; }
.drawer-nav a::before {
  content: '';
  position: absolute;
  left: -20px; top: 50%;
  width: 12px; height: 1px;
  background: var(--bronze);
  opacity: 0;
  transition: opacity 0.4s var(--ease), left 0.5s var(--ease);
}
.drawer-nav a:hover::before { opacity: 1; left: 0; }

.drawer-foot {
  margin-top: auto;
  padding-top: 40px;
  font-family: var(--f-heading);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze-soft);
}
.drawer-foot a { display: block; margin-top: 8px; opacity: 0.75; }
.drawer-foot a:hover { opacity: 1; color: var(--bronze); }

/* Body lock when drawer open */
body.no-scroll { overflow: hidden; }

/* Drawer logo at top — uses WHITE PNG */
.drawer-logo {
  width: 96px;
  height: 72px;
  margin-bottom: 14px;
}
.drawer-logo .sg-logo-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

/* =========================================================
   FOOTER LOGO — uses BLACK SVG full lockup
   ========================================================= */
.footer-logo {
  width: 220px;
  max-width: 60%;
}
.footer-logo .sg-logo-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* =========================================================
   MOBILE
   ========================================================= */
@media (max-width: 880px) {
  .topbar { padding: 14px 20px; grid-template-columns: auto 1fr auto; }
  .topbar.is-scrolled { padding: 10px 20px; }
  .topbar-nav { display: none; }
  .topbar-phone { display: none !important; }
  .brand {
    font-size: 11px;
    letter-spacing: 0.32em;
    text-align: left;
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }
  .brand-mark { width: 40px; height: 40px; }
  .brand small { display: none; }
  .brand-wordmark { font-size: 10px; letter-spacing: 0.38em; margin-top: 0; }
  .topbar-right { gap: 0; }
  .drawer { padding: 90px 32px 32px; }
  .drawer-nav a { font-size: 13px; padding: 18px 0; }
  .drawer-logo { width: 80px; height: 60px; }
  .footer-logo { width: 180px; }
}