/* ================================================================
  RUBA PROPERTY — SHARED SITE STYLES
  Linked by: index.php · programs.php · program-details.php · instagram.php
   Edit once → applies everywhere.
================================================================ */

/* 1. :ROOT — CORE CUSTOM PROPERTIES
   (pages override page-specific scale vars in their own <style>)
================================================================ */
:root {
  /* Colors */
  --black:          #F5F5F5;
  --charcoal:       #FFFFFF;
  --graphite:       #EBEBEB;
  --white:          #1A1A1A;
  --off-white:      #333333;
  --gold:           #C47A2C;
  --gold-dim:       #9E6020;
  --gold-tint:      rgba(196, 122, 44, 0.10);
  --muted:          #8A8A8A;
  --border:         rgba(0, 0, 0, 0.10);
  --border-gold:    rgba(196, 122, 44, 0.35);
  --card-shadow:    0 1px 3px rgba(0,0,0,0.07), 0 6px 20px rgba(0,0,0,0.11), 0 20px 40px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.10), 0 16px 40px rgba(0,0,0,0.14);
  --card-top:       2px solid rgba(196, 122, 44, 0.30);
  /* Typography */
  --font-display:   'Cormorant', Georgia, serif;
  --font-body:      'DM Sans', system-ui, sans-serif;

  /* Type scale (pages override as needed) */
  --text-body:      15px;
  --text-ui:        13px;
  --text-label:     11px;

  /* Spacing */
  --section-pad-v:  110px;
  --section-pad-h:  80px;
  --container-max:  1280px;

  /* Easing */
  --ease-spring:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-smooth:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:       cubic-bezier(0, 0, 0.2, 1);

  /* Z-index */
  --z-base:         1;
  --z-card:         10;
  --z-nav:          100;
  --z-overlay:      200;
  --z-loader:       400;
  --z-wa:           300;
}

/* 2. RESET
================================================================ */
html { overflow-x: hidden; scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.8;
  color: var(--white);
  background: var(--black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.nav-open { overflow: hidden; }
main { overflow-x: hidden; }
img  { display: block; width: 100%; max-width: 100%; height: auto; }
a    { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* 3. UTILITY CLASSES
================================================================ */
.eyebrow {
  display: inline-block;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 14px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-section, clamp(34px, 5vw, 60px));
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
}

.gold-divider {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 28px 0;
}

.btn-gold, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 2px;
  font-size: var(--text-ui);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 300ms var(--ease-smooth),
              background 300ms var(--ease-smooth),
              border-color 300ms var(--ease-smooth),
              color 300ms var(--ease-smooth);
}
.btn-gold { background: var(--gold); color: var(--black); }
.btn-gold:hover { background: var(--gold-dim); transform: scale(1.02); }
.btn-ghost { border: 1.5px solid var(--border-gold); color: var(--white); background: transparent; }
.btn-ghost:hover { background: var(--gold-tint); border-color: var(--gold); transform: scale(1.02); }

/* 4. ANNOUNCEMENT BAR
================================================================ */
.announce-bar {
  position: relative;
  height: 38px;
  background: var(--gold);
  overflow: hidden;
  z-index: calc(var(--z-nav) + 1);
}
.announce-track {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  animation: announce-scroll 30s linear infinite;
}
.announce-track span {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  padding-right: 80px;
  flex-shrink: 0;
}
.announce-phone {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  padding-left: 16px;
  z-index: 2;
}
@keyframes announce-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* 5. NAVIGATION
================================================================ */
#nav {
  position: fixed;
  top: 38px;
  left: 0;
  width: 100%;
  z-index: var(--z-nav);
  padding: 12px clamp(16px, 2vw, 24px) 0;
  transition: top 300ms var(--ease-smooth),
              background 300ms var(--ease-smooth),
              border-color 300ms var(--ease-smooth),
              padding 300ms var(--ease-smooth);
}
#nav.nav-scrolled {
  top: 0;
  padding-top: 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 2.8vw, 32px);
  height: 74px;
  gap: 20px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(249, 249, 249, 0.90);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10);
}
#nav.nav-scrolled .nav-inner {
  background: rgba(255, 255, 255, 0.97);
  border-color: rgba(196, 122, 44, 0.18);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
  flex: 1 1 auto;
  justify-content: center;
}
.nav-link {
  position: relative;
  font-size: var(--text-ui);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 4px 0;
  transition: color 250ms var(--ease-smooth);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 220ms var(--ease-smooth);
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.lang-switcher {
  position: relative;
}
.lang-switcher-trigger {
  display: inline-grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 10px;
  min-width: 184px;
  justify-content: start;
  padding: 10px 14px 10px 16px;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 14px;
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.01));
  box-shadow: inset 0 1px 0 rgba(0,0,0,0.02);
  transition: border-color 220ms ease, color 220ms ease, background 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}
.lang-switcher-label {
  font-size: 9px;
  color: rgba(26,26,26,0.50);
  letter-spacing: 0.18em;
}
.lang-switcher-current {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--off-white);
  white-space: nowrap;
}
.lang-switcher-chevron {
  margin-inline-start: auto;
  transition: transform 220ms var(--ease-smooth);
}
.lang-switcher-trigger:hover,
.lang-switcher.is-open .lang-switcher-trigger {
  border-color: rgba(201,168,76,0.35);
  color: var(--gold);
  background: linear-gradient(180deg, rgba(201,168,76,0.10), rgba(201,168,76,0.04));
  box-shadow: 0 14px 32px rgba(0,0,0,0.16);
  transform: translateY(-1px);
}
.lang-switcher.is-open .lang-switcher-chevron {
  transform: rotate(180deg);
}
.lang-switcher-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 8px;
  border: 1px solid rgba(196,122,44,0.20);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
  border-radius: 18px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 220ms ease, visibility 220ms ease, transform 220ms ease;
  list-style: none;
  z-index: calc(var(--z-nav) + 2);
}
.lang-switcher.is-open .lang-switcher-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-switcher-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  border-radius: 12px;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}
.lang-switcher-link-copy {
  display: grid;
  gap: 2px;
}
.lang-switcher-link strong {
  font-size: 14px;
  font-weight: 500;
  color: inherit;
}
.lang-switcher-link small {
  color: rgba(26,26,26,0.46);
  font-size: 10px;
  letter-spacing: 0.12em;
}
.lang-switcher-check {
  color: var(--gold);
  font-size: 18px;
  line-height: 1;
}
.lang-switcher-link:hover,
.lang-switcher-link.active {
  color: var(--white);
  background: rgba(0,0,0,0.05);
  transform: translateX(2px);
}
.lang-switcher-link.active small,
.lang-switcher-link:hover small {
  color: var(--gold);
}

.btn-consult {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: transparent;
  color: var(--white);
  font-size: var(--text-ui);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1.5px solid var(--border-gold);
  transition: background 250ms var(--ease-smooth),
              border-color 250ms var(--ease-smooth),
              color 250ms var(--ease-smooth);
}
.btn-consult:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}

/* 5b. PROJECTS DROPDOWN
================================================================ */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 0;
  font-family: inherit;
}
.nav-dropdown-trigger .drop-chevron {
  flex-shrink: 0;
  transition: transform 220ms var(--ease-smooth);
}
.nav-dropdown:hover .drop-chevron,
.nav-dropdown.is-open .drop-chevron {
  transform: rotate(180deg);
  color: var(--gold);
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 210px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(196, 122, 44, 0.22);
  padding: 6px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease,
              visibility 200ms ease,
              transform 200ms ease;
  z-index: calc(var(--z-nav) + 1);
  pointer-events: none;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.nav-dropdown-arrow {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.98);
  border-left: 1px solid rgba(196, 122, 44, 0.22);
  border-top: 1px solid rgba(196, 122, 44, 0.22);
}
.nav-dropdown-all {
  display: block;
  padding: 10px 20px 11px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  margin-bottom: 3px;
  transition: color 200ms ease;
}
.nav-dropdown-all:hover { color: var(--white); }
.nav-dropdown-group-label {
  display: block;
  padding: 11px 20px 7px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(201,168,76,0.88);
}
.nav-dropdown-item {
  display: block;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.03em;
  transition: color 200ms ease, background 200ms ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}
.nav-dropdown-item:hover {
  color: var(--white);
  background: rgba(0, 0, 0, 0.05);
}
.nav-dropdown-empty {
  display: block;
  padding: 10px 20px;
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}

/* Mobile projects accordion
================================================================ */
.mobile-projects-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  gap: 12px;
}
.mobile-projects-chevron {
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 250ms var(--ease-smooth), color 250ms ease;
}
.mobile-projects-toggle.is-open .mobile-projects-chevron {
  transform: rotate(90deg);
  color: var(--gold);
}
.mobile-projects-list {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 10px 0 8px 20px;
  border-left: 1px solid rgba(201, 168, 76, 0.35);
  margin-left: 6px;
}
.mobile-projects-list.is-open { display: flex; }
.mobile-projects-all {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  margin-bottom: 8px;
  transition: color 200ms ease;
}
.mobile-projects-all:hover { color: var(--white); }
.mobile-projects-group-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 12px 0 4px;
}
.mobile-projects-link {
  font-family: var(--font-body);
  font-size: clamp(18px, 3.2vw, 26px);
  font-weight: 300;
  color: rgba(26, 26, 26, 0.70);
  letter-spacing: 0.02em;
  padding: 7px 0;
  transition: color 200ms ease;
  display: block;
  text-decoration: none;
}
.mobile-projects-link:hover { color: var(--white); }

/* 6. HAMBURGER
================================================================ */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: transform 300ms var(--ease-spring), opacity 200ms ease;
  transform-origin: center;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* 7. MOBILE OVERLAY
================================================================ */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(3, 3, 3, 0.7);
  z-index: var(--z-overlay);
  justify-content: flex-end;
  align-items: stretch;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 350ms var(--ease-smooth);
}
.mobile-overlay.is-open { opacity: 1; pointer-events: all; }
.mobile-overlay-panel {
  width: min(460px, 100%);
  min-height: calc(100vh - 36px);
  margin-left: auto;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(196, 122, 44, 0.18);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
  padding: 26px 24px 30px;
  display: flex;
  flex-direction: column;
}
.mobile-overlay-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
  margin-bottom: 22px;
}
.mobile-overlay-copy {
  max-width: 280px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}
.mobile-close {
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(0, 0, 0, 0.14);
  color: var(--white);
  flex-shrink: 0;
}
.mobile-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1.5px;
  background: currentColor;
}
.mobile-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.mobile-close span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}
.mobile-nav-link {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.01em;
  line-height: 1.1;
  display: inline-block;
  transition: color 200ms ease;
}
.mobile-nav-link:hover { color: var(--gold); }
.mobile-nav-link.active { color: var(--gold); }
.mobile-overlay-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  width: 100%;
}
.mobile-overlay-footer a {
  display: block;
  font-size: var(--text-ui);
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  transition: color 200ms ease;
}
.mobile-overlay-footer a:hover { color: var(--gold); }

html[dir="rtl"] body {
  direction: rtl;
}
html[dir="rtl"] .announce-phone {
  right: auto;
  left: 24px;
  padding-left: 0;
  padding-right: 16px;
}
html[dir="rtl"] .nav-link::after {
  left: auto;
  right: 0;
}
html[dir="rtl"] .nav-dropdown-menu {
  left: auto;
  right: 50%;
  transform: translateX(50%) translateY(-6px);
}
html[dir="rtl"] .nav-dropdown:hover .nav-dropdown-menu,
html[dir="rtl"] .nav-dropdown.is-open .nav-dropdown-menu {
  transform: translateX(50%) translateY(0);
}
html[dir="rtl"] .nav-dropdown-arrow {
  left: auto;
  right: 50%;
  transform: translateX(50%) rotate(45deg);
}
html[dir="rtl"] .lang-switcher-menu {
  right: auto;
  left: 0;
}
html[dir="rtl"] .footer-bottom,
html[dir="rtl"] .mobile-overlay-head,
html[dir="rtl"] .nav-actions {
  direction: rtl;
}

/* 8. FOOTER
================================================================ */
#footer {
  border-top: 1px solid rgba(196, 122, 44, 0.18);
  background: var(--charcoal);
  padding: 64px var(--section-pad-h) 24px;
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .footer-tagline {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 8px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 14px;
  margin-top: 18px;
}
.footer-social a { color: var(--muted); transition: color 200ms ease; }
.footer-social a:hover { color: var(--gold); }
.footer-col-title {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--off-white);
  margin-bottom: 16px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a,
.footer-address,
.footer-tagline,
.footer-phone,
.footer-email { color: var(--muted); font-style: normal; }
.footer-links a:hover,
.footer-phone:hover,
.footer-email:hover { color: var(--gold); transition: color 220ms ease; }
.footer-bottom {
  max-width: var(--container-max);
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-bottom a { color: var(--gold); opacity: 0.8; transition: opacity 180ms ease; }
.footer-bottom a:hover { opacity: 1; }

@media (max-width: 1180px) {
  #nav {
    padding-left: 14px;
    padding-right: 14px;
  }
  .nav-inner {
    height: 70px;
    padding: 0 18px;
  }
  .nav-links {
    gap: 18px;
  }
  .btn-consult {
    padding: 10px 18px;
  }
  .lang-switcher-trigger {
    min-width: 164px;
  }
}

@media (max-width: 1024px) {
  .nav-links,
  .btn-consult {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .announce-phone {
    display: none;
  }
  #nav {
    top: 38px;
    padding: 10px 10px 0;
  }
  .nav-inner {
    height: 64px;
    padding: 0 14px;
  }
  .logo-img {
    height: 48px;
  }
  .mobile-overlay {
    padding: 10px;
  }
  .mobile-overlay-panel {
    min-height: calc(100vh - 20px);
    padding: 22px 18px 26px;
  }
  .lang-switcher-trigger {
    min-width: 132px;
    padding: 10px 12px;
  }
  .lang-switcher-label {
    display: none;
  }
  .lang-switcher-current {
    font-size: 11px;
  }
  .mobile-nav-link {
    font-size: clamp(24px, 7vw, 36px);
  }
}

/* 9. WHATSAPP FLOATING BUTTON
================================================================ */
.wa-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: var(--z-wa);
  width: 56px;
  height: 56px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  background: var(--gold);
  box-shadow: 0 8px 24px rgba(196, 122, 44, 0.32);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: transform 280ms var(--ease-spring),
              opacity 280ms var(--ease-smooth),
              background 200ms ease;
}
.wa-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.wa-btn:hover { background: var(--gold-dim); transform: translateY(-3px); }
.wa-pulse {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--gold);
  opacity: 0;
  animation: waPulse 2.5s var(--ease-out) 1.5s infinite;
}
@keyframes waPulse {
  0%   { transform: scale(1);   opacity: 0.5; }
  70%  { transform: scale(1.8); opacity: 0;   }
  100% { transform: scale(1.8); opacity: 0;   }
}