/* ==========================================
   COMPONENTS
   ========================================== */

/* ─── HEADER ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--sp-5) 0;
  background: transparent;
  transition: background var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(10, 9, 8, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: var(--sp-4) 0;
  border-bottom-color: rgba(196, 154, 60, 0.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.header__logo img {
  height: 42px;
  width: auto;
  transition: height var(--dur-base) var(--ease-out);
}

.header.is-scrolled .header__logo img {
  height: 36px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__list {
  display: flex;
  gap: var(--sp-6);
  align-items: center;
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--c-parchment-mid);
  position: relative;
  padding: var(--sp-2) 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--c-gold-light);
}

.nav__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--c-gold);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.lang-switch {
  display: flex;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--c-parchment-low);
}

.lang-switch__item {
  padding: var(--sp-1) var(--sp-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.lang-switch__item.is-active {
  color: var(--c-gold);
}

.lang-switch__item:not(.is-active):hover {
  color: var(--c-parchment);
}

.lang-switch__divider {
  color: var(--c-carbon);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--c-parchment);
}

.menu-toggle__lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 24px;
}

.menu-toggle__lines span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur-fast) var(--ease-out);
}

.menu-toggle__lines span:first-child { width: 100%; }
.menu-toggle__lines span:last-child { width: 70%; margin-left: auto; }

@media (max-width: 1024px) {
  .nav__list, .header__actions .lang-switch {
    display: none;
  }
  .menu-toggle { display: flex; }
}

/* ─── BUTTONS ─── */
.btn {
  --btn-py: 1rem;
  --btn-px: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--btn-py) var(--btn-px);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn__arrow {
  transition: transform var(--dur-base) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* Primary — degrau que se eleva no hover (assinatura) */
.btn--primary {
  background: var(--c-gold);
  color: var(--c-void);
  box-shadow: 0 4px 0 var(--c-gold-dark);
  transform: translateY(0);
}

.btn--primary:hover {
  background: var(--c-gold-light);
  transform: translateY(-3px);
  box-shadow: 0 7px 0 var(--c-gold-dark);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 0 var(--c-gold-dark);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--c-parchment);
  border: 1px solid rgba(241, 233, 213, 0.3);
}

.btn--outline:hover {
  border-color: var(--c-gold);
  color: var(--c-gold-light);
  background: rgba(196, 154, 60, 0.08);
}

/* Ghost / link-like */
.btn--ghost {
  padding: var(--sp-3) 0;
  color: var(--c-gold);
  gap: var(--sp-3);
}

.btn--ghost::after {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--c-gold);
  transition: width var(--dur-base) var(--ease-out);
}

.btn--ghost:hover::after {
  width: 3rem;
}

.btn--sm {
  --btn-py: 0.625rem;
  --btn-px: 1.25rem;
  font-size: var(--fs-xs);
}

.btn--lg {
  --btn-py: 1.25rem;
  --btn-px: 2.5rem;
}

/* ─── WHATSAPP FLOATING ─── */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-sticky);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  animation: waPulse 2.5s var(--ease-in-out) infinite;
  transition: transform var(--dur-base) var(--ease-out);
}

.wa-float:hover {
  transform: scale(1.08);
}

.wa-float svg {
  width: 30px;
  height: 30px;
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 0 0 12px rgba(37, 211, 102, 0.12); }
}

/* ─── ZIGURAT SILHOUETTE (signature) ─── */
.zigurat-mark {
  display: inline-block;
  width: 32px;
  height: 24px;
  position: relative;
}

.zigurat-mark::before,
.zigurat-mark::after,
.zigurat-mark > span {
  content: '';
  display: block;
  background: currentColor;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.zigurat-mark::before {
  width: 100%;
  height: 6px;
}

.zigurat-mark > span {
  width: 70%;
  height: 6px;
  bottom: 8px;
}

.zigurat-mark::after {
  width: 40%;
  height: 6px;
  bottom: 16px;
}

/* ─── CARDS ─── */
.card {
  position: relative;
  background: var(--c-slate);
  border: 1px solid transparent;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.card:hover {
  border-color: rgba(196, 154, 60, 0.4);
  transform: translateY(-4px);
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card__media img {
  width: 100%;
  height: 100%;
  transition: transform 900ms var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.05);
}

.card__badge {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  background: rgba(10, 9, 8, 0.85);
  backdrop-filter: blur(8px);
  color: var(--c-gold);
  border: 1px solid rgba(196, 154, 60, 0.3);
}

.card__badge--available { color: #6FA85B; border-color: rgba(111, 168, 91, 0.4); }
.card__badge--building { color: var(--c-gold); border-color: rgba(196, 154, 60, 0.4); }
.card__badge--delivered { color: var(--c-parchment-low); border-color: rgba(138, 129, 114, 0.4); }

.card__body {
  padding: var(--sp-6);
  border-top: var(--border-hairline);
}

.card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-parchment-low);
  text-transform: uppercase;
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-light);
  line-height: var(--lh-snug);
  margin-bottom: var(--sp-3);
  color: var(--c-parchment);
}

.card__desc {
  font-size: var(--fs-sm);
  color: var(--c-parchment-mid);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-5);
}

.card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-4);
  border-top: var(--border-hairline);
}

.card__price {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--c-gold);
  letter-spacing: var(--ls-wide);
}

.card__link {
  color: var(--c-parchment);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.card:hover .card__link {
  color: var(--c-gold);
}

/* ─── FOOTER ─── */
.footer {
  padding: var(--sp-14) 0 var(--sp-6);
  background: var(--c-obsidian);
  border-top: 1px solid rgba(196, 154, 60, 0.1);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-12);
}

.footer__brand img {
  height: 60px;
  margin-bottom: var(--sp-5);
}

.footer__tagline {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  color: var(--c-parchment-mid);
  max-width: 32ch;
  line-height: var(--lh-snug);
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: var(--border-hairline);
}

.footer__col ul { display: flex; flex-direction: column; gap: var(--sp-3); }

.footer__col a {
  font-size: var(--fs-sm);
  color: var(--c-parchment-mid);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__col a:hover { color: var(--c-gold-light); }

.footer__contact-item {
  display: flex;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--c-parchment-mid);
  line-height: var(--lh-relaxed);
}

.footer__contact-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--c-parchment-low);
  margin-bottom: 2px;
}

.footer__socials {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer__socials a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(241, 233, 213, 0.15);
  color: var(--c-parchment-mid);
  transition: all var(--dur-fast) var(--ease-out);
}

.footer__socials a:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-6);
  border-top: var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--ls-wide);
  color: var(--c-parchment-low);
}

.footer__legal {
  display: flex;
  gap: var(--sp-5);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bar { flex-direction: column; gap: var(--sp-3); text-align: center; }
}

@media (max-width: 500px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ─── MOBILE MENU DRAWER ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--c-void);
  z-index: calc(var(--z-header) - 1);
  padding: 5rem var(--gutter) 3rem;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  transition: opacity var(--dur-base) var(--ease-out),
              visibility var(--dur-base) var(--ease-out);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-light);
  color: var(--c-parchment);
  padding-bottom: var(--sp-2);
  border-bottom: var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-menu__link .mono {
  font-size: var(--fs-xs);
  color: var(--c-parchment-low);
}