/* ============================================================
   NAVIGATION — Sticky, transparent → solid on scroll
   ============================================================ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5000;
  padding: 24px clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.5s var(--ease-out), padding 0.4s var(--ease-out), box-shadow 0.4s ease;
}

.site-nav.scrolled {
  background: var(--bone);
  padding-top: 16px;
  padding-bottom: 16px;
  box-shadow: 0 1px 0 var(--border-faint);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  z-index: 10;
}

.nav-monogram {
  width: 40px;
  height: 40px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.3s ease;
}

.nav-monogram svg {
  width: 22px;
  height: 22px;
}

.nav-logo:hover .nav-monogram {
  background: var(--gold);
}

.nav-logo:hover .nav-monogram svg path {
  fill: var(--bone);
}

.nav-wordmark {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-wordmark-top {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--obsidian);
  line-height: 1;
  transition: color 0.3s ease;
}

.nav-wordmark-bottom {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1;
}

/* Hero-over: light text */
.site-nav:not(.scrolled) .nav-wordmark-top {
  color: var(--bone);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--obsidian);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a:hover {
  color: var(--gold);
}

/* Hero over: bone text */
.site-nav:not(.scrolled) .nav-links a {
  color: var(--bone);
}

.site-nav:not(.scrolled) .nav-links a:hover {
  color: var(--champagne);
}

/* CTA Apply button */
.nav-cta {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--obsidian);
  border: 1px solid var(--gold);
  padding: 10px 22px;
  transition: all 0.35s var(--ease-out);
  white-space: nowrap;
}

.site-nav:not(.scrolled) .nav-cta {
  color: var(--bone);
  border-color: rgba(164,138,110,0.6);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--bone);
  border-color: var(--gold);
}

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* ============================================================
   HAMBURGER (Mobile)
   ============================================================ */

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--bone);
  transition: all 0.4s var(--ease-out);
  transform-origin: center;
}

.site-nav.scrolled .nav-hamburger span {
  background: var(--obsidian);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--obsidian) !important;
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--obsidian) !important;
}

/* ============================================================
   MOBILE FULL-SCREEN OVERLAY MENU
   ============================================================ */

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--bone);
  z-index: 4900;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(80px, 15vw, 120px) clamp(24px, 8vw, 80px) 60px;
  clip-path: circle(0% at calc(100% - 44px) 44px);
  transition: clip-path 0.7s var(--ease-out);
  pointer-events: none;
}

.nav-overlay.open {
  clip-path: circle(150% at calc(100% - 44px) 44px);
  pointer-events: all;
}

.nav-overlay-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-overlay-links a {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 10vw, 5.5rem);
  font-weight: 300;
  color: var(--obsidian);
  line-height: 1.1;
  letter-spacing: -0.02em;
  transform: translateX(-20px);
  opacity: 0;
  transition: transform 0.5s var(--ease-out), opacity 0.5s var(--ease-out), color 0.3s ease;
}

.nav-overlay.open .nav-overlay-links a {
  transform: translateX(0);
  opacity: 1;
}

.nav-overlay.open .nav-overlay-links a:nth-child(1) { transition-delay: 0.1s; }
.nav-overlay.open .nav-overlay-links a:nth-child(2) { transition-delay: 0.15s; }
.nav-overlay.open .nav-overlay-links a:nth-child(3) { transition-delay: 0.2s; }
.nav-overlay.open .nav-overlay-links a:nth-child(4) { transition-delay: 0.25s; }
.nav-overlay.open .nav-overlay-links a:nth-child(5) { transition-delay: 0.3s; }
.nav-overlay.open .nav-overlay-links a:nth-child(6) { transition-delay: 0.35s; }

.nav-overlay-links a:hover {
  color: var(--gold);
  padding-left: 12px;
}

.nav-overlay-bottom {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease 0.45s, transform 0.5s ease 0.45s;
}

.nav-overlay.open .nav-overlay-bottom {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay-apply {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--obsidian);
  border: 1px solid var(--gold);
  padding: 14px 32px;
  width: fit-content;
  transition: all 0.3s ease;
}

.nav-overlay-apply:hover {
  background: var(--gold);
  color: var(--bone);
}

.nav-overlay-social {
  display: flex;
  gap: 24px;
}

.nav-overlay-social a {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mocha);
  transition: color 0.3s ease;
}

.nav-overlay-social a:hover {
  color: var(--gold);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .nav-links {
    gap: 28px;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }
}