/* ============================================================
   ROOTS SIARGAO — NAVIGATION & HEADER
   ============================================================ */

/* ── SITE HEADER ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: background var(--dur-mid) var(--ease-smooth),
              box-shadow var(--dur-mid) var(--ease-smooth),
              padding var(--dur-mid) var(--ease-smooth);
  padding: var(--space-6) 0;
}

.site-header.is-transparent {
  background: transparent;
}

.site-header.is-solid {
  background: rgba(22, 13, 8, 0.96);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(196, 168, 130, 0.08);
  padding: var(--space-4) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ── LOGO ───────────────────────────────────────────────────── */
.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-ivory);
  line-height: 1;
  text-transform: uppercase;
  transition: color var(--dur-fast) var(--ease-smooth);
}

.logo-sub {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-top: 2px;
  line-height: 1;
}

.site-logo:hover .logo-wordmark {
  color: var(--color-sand);
}

/* ── PRIMARY NAV ────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240, 233, 222, 0.75);
  transition: color var(--dur-fast) var(--ease-smooth);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-amber);
  transition: width var(--dur-mid) var(--ease-smooth);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-ivory);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

/* ── NAV CTA ────────────────────────────────────────────────── */
.nav-cta {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cacao);
  background: var(--color-amber);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-smooth),
              transform var(--dur-fast) var(--ease-smooth);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--color-amber-light);
  transform: translateY(-1px);
}

/* ── MOBILE HAMBURGER ───────────────────────────────────────── */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  gap: 5px;
  z-index: calc(var(--z-nav) + 1);
  position: relative;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-ivory);
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease-smooth),
              opacity var(--dur-mid) var(--ease-smooth),
              width var(--dur-mid) var(--ease-smooth);
  transform-origin: center;
}

.mobile-menu-btn.is-open .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── MOBILE DRAWER ──────────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: var(--color-espresso);
  z-index: var(--z-nav);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8) var(--gutter);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-12);
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  font-weight: 400;
  color: var(--color-linen);
  display: block;
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(196, 168, 130, 0.1);
  transition: color var(--dur-fast) var(--ease-smooth),
              transform var(--dur-mid) var(--ease-smooth);
  opacity: 0;
  transform: translateX(20px);
}

.mobile-drawer.is-open .mobile-nav-link {
  opacity: 1;
  transform: translateX(0);
}

.mobile-drawer.is-open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-drawer.is-open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-drawer.is-open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-drawer.is-open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-drawer.is-open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

.mobile-nav-link:hover {
  color: var(--color-amber);
  transform: translateX(6px);
}

.mobile-nav-cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cacao);
  background: var(--color-amber);
  padding: var(--space-4) var(--space-10);
  text-align: center;
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-slow) 0.4s var(--ease-out),
              transform var(--dur-slow) 0.4s var(--ease-out);
}

.mobile-drawer.is-open .mobile-nav-cta {
  opacity: 1;
  transform: translateY(0);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: var(--space-12);
}

.mobile-drawer-contact {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: rgba(196, 168, 130, 0.5);
  line-height: 1.9;
  opacity: 0;
  transition: opacity var(--dur-slow) 0.5s var(--ease-out);
}

.mobile-drawer.is-open .mobile-drawer-contact {
  opacity: 1;
}

/* Prevent body scroll when drawer is open */
body.menu-open {
  overflow: hidden;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-nav,
  .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-espresso);
  border-top: var(--border-hairline);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand .logo-wordmark { font-size: 1.6rem; }

.footer-tagline {
  font-size: var(--fs-sm);
  color: rgba(196, 168, 130, 0.55);
  margin-top: var(--space-4);
  max-width: 280px;
  line-height: 1.7;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--fs-sm);
  color: rgba(196, 168, 130, 0.6);
  transition: color var(--dur-fast) var(--ease-smooth);
}

.footer-link:hover {
  color: var(--color-sand);
}

.footer-contact-item {
  font-size: var(--fs-sm);
  color: rgba(196, 168, 130, 0.6);
  line-height: 1.9;
}

.footer-social {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border: var(--border-hairline);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(196, 168, 130, 0.6);
  transition: border-color var(--dur-fast),
              color var(--dur-fast),
              transform var(--dur-fast) var(--ease-smooth);
  font-size: 0.85rem;
}

.footer-social-link:hover {
  border-color: var(--color-amber);
  color: var(--color-amber);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: var(--border-hairline);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--fs-xs);
  color: rgba(196, 168, 130, 0.35);
  letter-spacing: 0.05em;
}

.footer-legal-links {
  display: flex;
  gap: var(--space-6);
}

.footer-legal-link {
  font-size: var(--fs-xs);
  color: rgba(196, 168, 130, 0.35);
  transition: color var(--dur-fast);
}

.footer-legal-link:hover {
  color: rgba(196, 168, 130, 0.6);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}