/* =========================================================
   Cairo Prime — UI System (Buttons + Chips)
   Modern, premium, on-brand. Single source of truth.
   ========================================================= */

:root {
  --cp-gold: #C9A227;
  --cp-gold-l: #E8C96A;
  --cp-gold-d: #9A7A18;
  --cp-gold-dd: #6B5410;
  --cp-black: #0e0e0e;
  --cp-dark: #141414;
  --cp-text: #f0ede6;
  --cp-muted: #8a8070;
  --cp-wa: #25D366;
  --cp-wa-d: #1bb955;
  --cp-shadow-gold: 0 4px 14px rgba(201, 162, 39, 0.25);
  --cp-shadow-gold-lg: 0 12px 32px rgba(201, 162, 39, 0.35);
  --cp-shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.4);
  --cp-shadow-wa: 0 4px 14px rgba(37, 211, 102, 0.35);
  --cp-shadow-wa-lg: 0 12px 28px rgba(37, 211, 102, 0.45);
}

/* ─────────────────────────────────────────────────────────
   .btn — base
   ───────────────────────────────────────────────────────── */
.btn,
button.btn,
a.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: 'Tajawal', sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.5px;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  outline: none;
  transition: transform 200ms cubic-bezier(.2,.8,.2,1),
              box-shadow 250ms ease,
              background-color 200ms ease,
              color 200ms ease,
              border-color 200ms ease;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible {
  outline: 2px solid var(--cp-gold-l);
  outline-offset: 3px;
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* shimmer sweep — appears on hover, sweeps right→left for RTL */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 600ms ease;
  pointer-events: none;
}
.btn:hover::before { transform: translateX(100%); }

/* icon size auto */
.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────
   Variants
   ───────────────────────────────────────────────────────── */

/* PRIMARY — gold filled, the main CTA */
.btn--primary {
  background: linear-gradient(135deg, var(--cp-gold-d) 0%, var(--cp-gold) 55%, var(--cp-gold-l) 100%);
  color: #0a0a0a;
  border-color: var(--cp-gold);
  box-shadow: var(--cp-shadow-gold), inset 0 1px 0 rgba(255,255,255,0.25);
  font-weight: 800;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--cp-shadow-gold-lg), inset 0 1px 0 rgba(255,255,255,0.3);
  filter: brightness(1.05);
}
.btn--primary:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* WHATSAPP — green pill style */
.btn--wa {
  background: linear-gradient(135deg, var(--cp-wa-d) 0%, var(--cp-wa) 100%);
  color: #ffffff;
  border-color: var(--cp-wa);
  box-shadow: var(--cp-shadow-wa), inset 0 1px 0 rgba(255,255,255,0.2);
  font-weight: 700;
}
.btn--wa:hover {
  transform: translateY(-2px);
  box-shadow: var(--cp-shadow-wa-lg);
  filter: brightness(1.06);
}
.btn--wa:active { transform: translateY(0); }
.btn--wa svg { fill: currentColor; }

/* OUTLINE — gold border, transparent bg */
.btn--outline {
  background: transparent;
  color: var(--cp-gold);
  border-color: var(--cp-gold);
}
.btn--outline:hover {
  background: var(--cp-gold);
  color: var(--cp-black);
  transform: translateY(-2px);
  box-shadow: var(--cp-shadow-gold);
}
.btn--outline:active { transform: translateY(0); }

/* GHOST — minimal, for tertiary actions */
.btn--ghost {
  background: rgba(201, 162, 39, 0.08);
  color: var(--cp-text);
  border-color: rgba(201, 162, 39, 0.18);
}
.btn--ghost:hover {
  background: rgba(201, 162, 39, 0.16);
  border-color: rgba(201, 162, 39, 0.4);
  color: var(--cp-gold-l);
}

/* DANGER (rare) */
.btn--danger {
  background: linear-gradient(135deg, #7a1f1f 0%, #c0392b 100%);
  color: #fff;
  border-color: #c0392b;
}
.btn--danger:hover { transform: translateY(-2px); filter: brightness(1.05); }

/* SUBTLE — for cookie banner reject button */
.btn--subtle {
  background: transparent;
  color: var(--cp-muted);
  border-color: rgba(138, 128, 112, 0.25);
}
.btn--subtle:hover {
  color: var(--cp-text);
  border-color: var(--cp-muted);
}

/* ─────────────────────────────────────────────────────────
   Sizes
   ───────────────────────────────────────────────────────── */
.btn--sm { padding: 9px 18px; font-size: 0.82rem; gap: 6px; }
.btn--sm svg { width: 15px; height: 15px; }
.btn--lg { padding: 18px 44px; font-size: 1rem; gap: 12px; }
.btn--lg svg { width: 22px; height: 22px; }
.btn--xl { padding: 22px 56px; font-size: 1.1rem; gap: 14px; }

/* ─────────────────────────────────────────────────────────
   Modifiers
   ───────────────────────────────────────────────────────── */
.btn--full { width: 100%; }
.btn--pill { border-radius: 999px; }

/* glow on idle — premium accent for high-priority CTAs */
.btn--glow {
  animation: cpGlowPulse 2.8s ease-in-out infinite;
}
@keyframes cpGlowPulse {
  0%, 100% { box-shadow: var(--cp-shadow-gold), inset 0 1px 0 rgba(255,255,255,0.25); }
  50%      { box-shadow: var(--cp-shadow-gold-lg), 0 0 0 0 rgba(201,162,39,0); inset 0 1px 0 rgba(255,255,255,0.3); }
}

/* loading spinner */
.btn--loading { color: transparent !important; pointer-events: none; }
.btn--loading::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: rgba(255,255,255,0.9);
  border-radius: 50%;
  animation: cpSpin 0.8s linear infinite;
}
@keyframes cpSpin { to { transform: rotate(360deg); } }

/* ─────────────────────────────────────────────────────────
   Button groups
   ───────────────────────────────────────────────────────── */
.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-row--center { justify-content: center; }
@media (max-width: 600px) {
  .btn-row { gap: 10px; }
  .btn-row .btn { flex: 1 1 auto; min-width: 140px; }
}

/* ─────────────────────────────────────────────────────────
   Filter Chips (listings page)
   ───────────────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  font-family: 'Tajawal', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--cp-muted);
  background: rgba(26, 26, 26, 0.85);
  border: 1px solid rgba(201, 162, 39, 0.18);
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  transition: all 200ms ease;
  white-space: nowrap;
}
.chip:hover {
  color: var(--cp-gold-l);
  border-color: rgba(201, 162, 39, 0.5);
  background: rgba(201, 162, 39, 0.08);
}
.chip.is-active,
.chip.active {
  background: linear-gradient(135deg, var(--cp-gold-d), var(--cp-gold));
  color: var(--cp-black);
  border-color: var(--cp-gold);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(201, 162, 39, 0.3);
}
.chip-count {
  font-size: 0.75rem;
  opacity: 0.75;
}

/* ─────────────────────────────────────────────────────────
   Unified Nav — clean, 4 tabs + dropdown
   ───────────────────────────────────────────────────────── */
.cp-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 16px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: rgba(14, 14, 14, 0.95);
  border-bottom: 1px solid rgba(201, 162, 39, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding 0.3s ease;
}
.cp-nav.cp-scrolled { padding: 12px 60px; }
@media (max-width: 768px) {
  .cp-nav { padding: 14px 24px; }
  .cp-nav .cp-nav-links { display: none; }
}

.cp-nav-logo {
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  letter-spacing: 5px;
  color: var(--cp-gold);
  text-decoration: none;
  white-space: nowrap;
}

.cp-nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.cp-nav-links li { position: relative; }
.cp-nav-links a {
  display: inline-block;
  color: var(--cp-muted);
  text-decoration: none;
  font-family: 'Tajawal', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 10px 16px;
  border-radius: 6px;
  transition: all 200ms ease;
  white-space: nowrap;
}
.cp-nav-links a:hover {
  color: var(--cp-gold-l);
  background: rgba(201, 162, 39, 0.06);
}
.cp-nav-links a.is-active {
  color: var(--cp-gold);
  background: rgba(201, 162, 39, 0.1);
}

/* Dropdown */
.cp-nav-dropdown { position: relative; }
.cp-nav-dropdown > a::after {
  content: '▾';
  margin-right: 5px;
  font-size: 0.7rem;
  opacity: 0.7;
  transition: transform 200ms ease;
}
.cp-nav-dropdown:hover > a::after,
.cp-nav-dropdown.is-open > a::after {
  transform: rotate(180deg);
}
.cp-nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: rgba(20, 20, 20, 0.97);
  border: 1px solid rgba(201, 162, 39, 0.25);
  border-radius: 10px;
  padding: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 200ms ease;
  backdrop-filter: blur(14px);
}
.cp-nav-dropdown:hover .cp-nav-dropdown-menu,
.cp-nav-dropdown.is-open .cp-nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.cp-nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  width: 100%;
  font-size: 0.9rem;
  letter-spacing: 0;
}
.cp-nav-dropdown-menu a .icon {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
}
.cp-nav-dropdown-menu a small {
  display: block;
  color: var(--cp-muted2);
  font-size: 0.72rem;
  margin-top: 2px;
}

/* CTA button in nav */
.cp-nav-cta {
  margin-right: 8px;
  background: linear-gradient(135deg, var(--cp-gold-d), var(--cp-gold));
  color: var(--cp-black) !important;
  font-weight: 700;
  padding: 9px 22px;
  border-radius: 6px;
}
.cp-nav-cta:hover {
  background: linear-gradient(135deg, var(--cp-gold), var(--cp-gold-l));
  color: var(--cp-black) !important;
  transform: translateY(-1px);
}

/* Hamburger (mobile) */
.cp-hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--cp-gold);
}
@media (max-width: 768px) {
  .cp-hamburger { display: inline-flex; align-items: center; gap: 6px; font-size: 1.1rem; }
}

/* ─────────────────────────────────────────────────────────
   Nav CTA — special compact variant (legacy)
   ───────────────────────────────────────────────────────── */
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-family: 'Tajawal', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--cp-gold);
  background: transparent;
  border: 1px solid var(--cp-gold);
  border-radius: 6px;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 200ms ease;
}
.nav-cta-btn:hover {
  background: var(--cp-gold);
  color: var(--cp-black);
  box-shadow: var(--cp-shadow-gold);
}