/* ============================================================
   CONSULTORÍA RD — Global Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ────────────────────────────────────────── */
:root {
  --green-dark:   #1a3a2a;
  --green-mid:    #234d38;
  --green-light:  #2e6649;
  --gold:         #c9a84c;
  --gold-light:   #e0c06e;
  --gold-dark:    #a8872e;
  --warm-white:   #f8f5ef;
  --off-white:    #ede9e0;
  --text-dark:    #1a1a1a;
  --text-mid:     #3d3d3d;
  --text-light:   #6b6b6b;
  --border:       rgba(201,168,76,0.2);
  --shadow-sm:    0 2px 12px rgba(26,58,42,0.08);
  --shadow-md:    0 8px 32px rgba(26,58,42,0.14);
  --shadow-lg:    0 20px 60px rgba(26,58,42,0.18);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--warm-white);
  color: var(--text-dark);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
  font-weight: 700;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { font-size: 1rem; color: var(--text-mid); }

/* ─── Utility Classes ───────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 90px 0; }
.section-pad-sm { padding: 60px 0; }

.text-gold { color: var(--gold); }
.text-green { color: var(--green-dark); }
.text-center { text-align: center; }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 4px 14px;
  border-radius: 40px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--green-dark);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 620px;
  margin: 0 auto 56px;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-gold {
  background: var(--gold);
  color: var(--green-dark);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.35);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline-green {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--green-dark);
}
.btn-outline-green:hover {
  background: var(--green-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
}
.btn-whatsapp:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}

/* ─── Navigation ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26,58,42,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(26,58,42,0.99);
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}
.nav-logo-sub {
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
  background: rgba(201,168,76,0.1);
}
.nav-social {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-social a {
  width: 32px; height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  transition: var(--transition);
}
.nav-social a:hover { background: var(--gold); color: var(--green-dark); }

.nav-cta { margin-left: 12px; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
}
.nav-hamburger span {
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Internal Hero ─────────────────────────────────────────── */
.hero-internal {
  min-height: 320px;
  background: var(--green-dark);
  display: flex;
  align-items: flex-end;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}
.hero-internal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1400&auto=format&fit=crop') center/cover;
  opacity: 0.18;
}
.hero-internal-content {
  position: relative;
  padding: 56px 0 48px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--gold); transition: opacity 0.2s; }
.breadcrumb a:hover { opacity: 0.8; }
.breadcrumb span { color: rgba(255,255,255,0.4); }
.hero-internal h1 { color: #fff; margin-bottom: 12px; }
.hero-internal .price-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--green-dark);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 6px 20px;
  border-radius: 40px;
  margin-top: 12px;
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,168,76,0.4);
}
.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.card-body { padding: 24px; }
.card-icon {
  width: 48px; height: 48px;
  background: rgba(201,168,76,0.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--gold);
}
.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.card-price {
  font-size: 0.85rem;
  color: var(--gold-dark);
  font-weight: 700;
  margin-bottom: 12px;
}

/* ─── Trust Bar ─────────────────────────────────────────────── */
.trust-bar {
  background: var(--green-dark);
  padding: 18px 0;
  border-bottom: 2px solid var(--gold);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 500;
}
.trust-item span:first-child {
  font-size: 1.1rem;
}
.trust-divider {
  width: 1px;
  height: 20px;
  background: rgba(201,168,76,0.3);
}

/* ─── Section: Dark BG ──────────────────────────────────────── */
.section-dark {
  background: var(--green-dark);
  color: #fff;
}
.section-dark .section-title { color: #fff; }
.section-dark .section-subtitle { color: rgba(255,255,255,0.65); }
.section-dark p { color: rgba(255,255,255,0.75); }

.section-warm { background: var(--off-white); }

/* ─── Process Steps ─────────────────────────────────────────── */
.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.steps-row::before {
  content: '';
  position: absolute;
  top: 28px; left: 60px; right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  z-index: 0;
}
.step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 16px;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--green-dark);
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}
.step-title {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  color: var(--green-dark);
  margin-bottom: 6px;
}
.step p { font-size: 0.85rem; color: var(--text-light); }

/* ─── Testimonials ──────────────────────────────────────────── */
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px; left: 28px;
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  color: var(--gold);
  opacity: 0.2;
  line-height: 1;
}
.testimonial-stars { color: var(--gold); margin-bottom: 16px; }
.testimonial-text { font-style: italic; color: var(--text-mid); margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--green-dark);
}
.testimonial-role { font-size: 0.8rem; color: var(--text-light); }

/* ─── Check List ────────────────────────────────────────────── */
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-mid);
}
.check-icon {
  width: 22px; height: 22px;
  background: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green-dark);
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: #0f2318;
  border-top: 2px solid rgba(201,168,76,0.3);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand { max-width: 300px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-logo-icon {
  width: 40px; height: 40px;
  background: var(--gold);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.footer-logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: #fff;
}
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  font-size: 0.9rem;
}
.footer-social a:hover { background: var(--gold); color: var(--green-dark); }

.footer-col h5 {
  font-family: 'Playfair Display', serif;
  color: var(--gold);
  font-size: 1rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201,168,76,0.2);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); padding-left: 4px; }

.footer-payments {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}
.payment-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}
.payment-badge span:first-child {
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 3px 10px;
  border-radius: 4px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 600;
}

.footer-certs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.cert-badge {
  background: rgba(201,168,76,0.12);
  border: 1px solid rgba(201,168,76,0.25);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.45); transition: var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links, .nav-social, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  
  .mobile-menu {
    position: fixed;
    top: 70px; left: 0; right: 0; bottom: 0;
    background: var(--green-dark);
    z-index: 999;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu a {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    padding: 14px 16px;
    border-radius: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .mobile-menu a:hover { color: var(--gold); background: rgba(201,168,76,0.08); }
  .mobile-menu .btn-gold { margin-top: 16px; text-align: center; justify-content: center; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .steps-row { flex-direction: column; }
  .steps-row::before { display: none; }
  .step { text-align: left; display: flex; align-items: flex-start; gap: 16px; padding: 0; }
  .step-num { flex-shrink: 0; margin: 0; width: 44px; height: 44px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ─── CTA Final Section ─────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 50%, var(--green-light) 100%);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(201,168,76,0.12) 0%, transparent 70%);
}
.cta-section h2 { color: #fff; margin-bottom: 16px; position: relative; }
.cta-section p { color: rgba(255,255,255,0.7); margin-bottom: 36px; position: relative; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* ─── Grid Layouts ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ─── Form Styles ───────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(26,58,42,0.2);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: #fff;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ─── Scroll Animations ─────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.fade-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 0.65s cubic-bezier(0.22,1,0.36,1), transform 0.65s cubic-bezier(0.22,1,0.36,1);
}
.fade-up.visible,
.fade-left.visible,
.fade-right.visible,
.fade-scale.visible {
  opacity: 1;
  transform: none;
}

/* ─── Ripple Keyframe ───────────────────────────────────────── */
@keyframes ripple {
  to { transform: scale(1); opacity: 0; }
}

/* ─── Marquee (Trust Bar) ───────────────────────────────────── */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Step Pulse ─────────────────────────────────────────────── */
@keyframes stepPulse {
  0%   { box-shadow: 0 0 0 0 rgba(201,168,76,0.6); }
  70%  { box-shadow: 0 0 0 18px rgba(201,168,76,0); }
  100% { box-shadow: 0 4px 16px rgba(201,168,76,0.35); }
}
.step-num.pulse-once {
  animation: stepPulse 0.8s ease-out forwards;
}

/* ─── Floating animation for decorative elements ────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}
.float-anim { animation: float 4s ease-in-out infinite; }

/* ─── Glow pulse on gold badges ────────────────────────────── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,168,76,0.0); }
  50%       { box-shadow: 0 0 18px 4px rgba(201,168,76,0.35); }
}
.cert-badge, .tag {
  animation: glowPulse 3.5s ease-in-out infinite;
}

/* ─── Shimmer on service card images on hover ───────────────── */
.service-card-img, .card-img {
  transition: transform 0.5s cubic-bezier(0.22,1,0.36,1), filter 0.4s ease;
}
.service-card:hover .service-card-img,
.card:hover .card-img {
  transform: scale(1.06);
  filter: brightness(1.06);
}

/* ─── 3D card perspective wrapper ───────────────────────────── */
.service-card,
.card,
.testimonial-card,
.product-preview-card {
  transform-style: preserve-3d;
  will-change: transform;
  backface-visibility: hidden;
}

/* ─── Hero gradient animated shimmer ────────────────────────── */
@keyframes heroShimmer {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-gradient {
  background-size: 200% 200%;
  animation: heroShimmer 12s ease infinite;
}

/* ─── Animated underline on nav links ───────────────────────── */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 12px; right: 12px;
  height: 1.5px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
  transform-origin: left;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ─── Testimonial card hover lift with gold border ──────────── */
.testimonial-card {
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1),
              box-shadow 0.4s ease,
              border-color 0.3s ease;
}
.testimonial-card:hover {
  border-color: rgba(201,168,76,0.5);
  box-shadow: 0 20px 50px rgba(26,58,42,0.16);
}

/* ─── Product preview card 3D hover ────────────────────────── */
.product-preview-card {
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1),
              background 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.4s ease;
}

/* ─── Footer social icon spin on hover ─────────────────────── */
.footer-social a, .nav-social a {
  transition: background var(--transition), color var(--transition), transform 0.3s ease;
}
.footer-social a:hover, .nav-social a:hover {
  transform: rotate(360deg) scale(1.15);
}

/* ─── Button shine sweep ────────────────────────────────────── */
.btn-gold::before, .btn-whatsapp::before {
  content: '';
  position: absolute;
  top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}
.btn-gold:hover::before, .btn-whatsapp:hover::before {
  left: 130%;
}