/* ============================================================================
   COMPONENTS — nav, footer, buttons, gem cards, forms, WhatsApp CTA, ribbons.
   ============================================================================ */

/* ── Buttons ──────────────────────────────────────────────────────────────*/
.btn {
  --btn-fg: var(--c-bg);
  /* Subtle top-lit gradient reads as brushed metal, not a flat khaki slab. */
  --btn-bg: linear-gradient(176deg, var(--c-gold-bright), var(--c-gold) 56%, var(--c-gold-deep));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-height: 42px;
  padding: 0.55rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--c-gold);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  position: relative;
  overflow: hidden;
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}
.btn:hover {
  background: linear-gradient(176deg, #F1DEAF, var(--c-gold-bright) 60%, var(--c-gold));
  border-color: var(--c-gold-bright);
  box-shadow: 0 8px 24px -12px var(--c-jewel-glow);
}
.btn:active { transform: translateY(1px); }

/* Outline (fills on hover with a shimmer) */
.btn--ghost {
  background: transparent;
  color: var(--c-gold);
}
.btn--ghost::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--c-gold);
  transform: translateX(-101%);
  transition: transform var(--dur) var(--ease);
  z-index: 0;
}
.btn--ghost:hover { color: var(--c-bg); background: transparent; }
.btn--ghost:hover::before { transform: translateX(0); }
.btn--ghost > * { position: relative; z-index: 1; }

.btn--block { display: flex; width: 100%; }
.btn--lg { min-height: 47px; padding: 0.68rem 1.85rem; font-size: 0.8rem; letter-spacing: 0.12em; }

/* WhatsApp CTA — premium gold, not the default green blob */
.btn--whatsapp { gap: 0.7em; }
.btn--whatsapp svg { width: 1.15em; height: 1.15em; }

/* Text link with underline-draw */
.link-underline {
  position: relative;
  color: var(--c-gold);
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-mid);
}
.link-underline::after {
  content: "";
  position: absolute; left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); }

/* ── Site navigation ──────────────────────────────────────────────────────*/
.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-nav.is-scrolled {
  background: rgba(11, 11, 15, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--c-line);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
}
.brand .brand__mark { color: var(--c-gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
}
.nav-links a {
  position: relative;
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-mid);
  color: var(--c-ink-soft);
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--c-ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.nav-cta { margin-left: 0.5rem; }
.nav-cta .btn { min-height: 36px; padding: 0.4rem 1.2rem; font-size: 0.72rem; letter-spacing: 0.11em; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent; border: 0; cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  width: 24px; height: 1.5px;
  background: var(--c-ink);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 11, 15, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-line);
    padding: var(--space-sm) var(--gutter) var(--space-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
  }
  .nav-links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { display: block; padding: 1rem 0.15rem; border-bottom: 1px solid var(--c-line-soft); font-size: 1.05rem; }
  .nav-links a::after { display: none; }
  .nav-cta { margin: var(--space-sm) 0 0; }
  .nav-cta .btn { width: 100%; }
}

/* ── Gem cards ────────────────────────────────────────────────────────────*/
.gem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1.2rem, 3vw, 2.4rem);
}
.gem-grid--featured {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* On small screens keep two columns instead of one oversized card */
@media (max-width: 580px) {
  .gem-grid,
  .gem-grid--featured {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(0.7rem, 3vw, 1.2rem);
  }
  .gem-card__body { padding: 0.9rem 0.9rem 1.1rem; }
  .gem-card__name { font-size: 1.1rem; }
  .gem-card__foot { padding-top: 0.7rem; gap: 0.5rem; flex-wrap: wrap; }
}

.gem-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--c-bg-raise);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.gem-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-line);
  box-shadow: var(--shadow-lift);
}

.gem-card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 0%, #23232c, #0d0d12 70%);
}
.gem-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}
.gem-card:hover .gem-card__media img { transform: scale(1.07); }

/* Light-sweep sheen on hover */
.gem-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 30%,
              rgba(255,255,255,0.14) 48%, transparent 62%);
  transform: translateX(-120%);
  transition: transform 0.9s var(--ease);
  pointer-events: none;
}
.gem-card:hover .gem-card__media::after { transform: translateX(120%); }

.gem-card__body {
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.gem-card__cat {
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-gold);
}
.gem-card__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--c-ink);
}
.gem-card__meta {
  font-size: var(--fs-small);
  color: var(--c-ink-mute);
  margin-top: 0.15rem;
}
.gem-card__foot {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.gem-card__price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--c-ink);
}
.gem-card__price--request {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-mid);
  color: var(--c-ink-mute);
  font-style: italic;
}
.gem-card__link {
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-gold);
  transition: color var(--dur-fast) var(--ease);
}
.gem-card:hover .gem-card__link { color: var(--c-gold-bright); }

/* SOLD ribbon */
.ribbon {
  position: absolute;
  top: 14px; left: -34px;
  transform: rotate(-45deg);
  background: var(--c-sold);
  color: var(--c-ink);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.35rem 2.6rem;
  z-index: 3;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.gem-card.is-sold .gem-card__media img { filter: saturate(0.7) brightness(0.82); }

/* ── Category tiles ───────────────────────────────────────────────────────*/
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(0.9rem, 2vw, 1.6rem);
}
.cat-tile {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 260px;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line-soft);
  background: var(--c-bg-raise);
  isolation: isolate;
}
.cat-tile__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform var(--dur-slow) var(--ease);
}
.cat-tile::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(7,7,10,0.92) 8%, rgba(7,7,10,0.15) 70%);
  transition: background var(--dur) var(--ease);
}
.cat-tile:hover .cat-tile__bg { transform: scale(1.08); }
.cat-tile__label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-ink);
}
.cat-tile__tag {
  font-size: var(--fs-small);
  color: var(--c-ink-mute);
  margin-top: 0.15rem;
}
.cat-tile__arrow {
  position: absolute; top: 1.2rem; right: 1.2rem;
  color: var(--c-gold);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.cat-tile:hover .cat-tile__arrow { opacity: 1; transform: none; }

/* ── Floating WhatsApp bubble ─────────────────────────────────────────────*/
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.7rem 0.55rem 0.9rem;
  background: var(--c-bg-raise);
  border: 1px solid var(--c-gold);
  border-radius: 50px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
              background var(--dur-fast) var(--ease);
}
.wa-float.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.wa-float:hover { background: var(--c-bg-raise-2); }
.wa-float__link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-ink);
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-mid);
}
.wa-float svg { width: 22px; height: 22px; color: var(--c-whatsapp); flex: none; }
.wa-float__label { white-space: nowrap; }
.wa-float__close {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: transparent; border: 0; cursor: pointer;
  color: var(--c-ink-mute); font-size: 1.1rem; line-height: 1;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.wa-float__close:hover { color: var(--c-ink); background: var(--c-bg); }
@media (max-width: 520px) {
  .wa-float__label { display: none; }
  .wa-float { padding: 0.55rem; }
}

/* ── Footer ───────────────────────────────────────────────────────────────*/
.site-footer {
  border-top: 1px solid var(--c-line);
  background: var(--c-bg-raise);
  padding-block: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
}
.footer-brand .brand { font-size: 1.7rem; }
.footer-brand p { margin-top: var(--space-sm); max-width: 34ch; font-size: var(--fs-small); }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: var(--space-sm);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { font-size: var(--fs-small); color: var(--c-ink-soft); transition: color var(--dur-fast) var(--ease); }
.footer-col a:hover { color: var(--c-gold); }
.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  font-size: var(--fs-micro);
  color: var(--c-ink-mute);
  letter-spacing: var(--tracking-mid);
}
.social-links { display: flex; gap: 1rem; }
.social-links a { color: var(--c-ink-mute); transition: color var(--dur-fast) var(--ease); }
.social-links a:hover { color: var(--c-gold); }
.social-links svg { width: 20px; height: 20px; }

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
}

/* ── Forms ────────────────────────────────────────────────────────────────*/
.field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.3rem; }
.field label {
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-ink-mute);
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-ink);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--c-gold);
  background: var(--c-bg-raise);
}
.field textarea { resize: vertical; min-height: 130px; }
.field--honeypot { position: absolute; left: -9999px; opacity: 0; }

.form-note { font-size: var(--fs-small); color: var(--c-ink-mute); margin-top: 0.5rem; }
.form-status { margin-top: 1rem; font-size: var(--fs-small); min-height: 1.4em; }
.form-status.is-error { color: #E58B7B; }
.form-status.is-ok { color: var(--c-gold-bright); }

/* ── Pills / badges (filters) ─────────────────────────────────────────────*/
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.5rem 1.1rem;
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-mid);
  border: 1px solid var(--c-line);
  border-radius: 50px;
  background: transparent;
  color: var(--c-ink-soft);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}
.pill:hover { color: var(--c-ink); border-color: var(--c-gold-deep); }
.pill.is-active {
  color: var(--c-bg);
  background: var(--c-gold);
  border-color: var(--c-gold);
}