/* ─── NAV BAR GLASSMORPHISM (Dark Navy) ─── */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  transition: var(--transition-smooth);
}

.header-nav.scrolled {
  background: var(--glass-nav);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-nav);
  height: calc(var(--nav-h) - 40px);
}

.header-nav.scrolled .nav-brand img {
  height: 100px;
}

.nav-brand img {
  height: 140px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text-main);
  position: relative;
  padding: 0.4rem 0;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Mobile Toggle & Drawer */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1002;
}

.mobile-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-main);
  transition: var(--transition-smooth);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--bg-dark);
  border-left: 1px solid var(--border);
  z-index: 1001;
  padding: 8rem 3rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: right var(--transition-smooth);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer .nav-link {
  font-size: 1.25rem;
  font-weight: 300;
}

/* ─── EXECUTIVE BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-pill);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
}

.btn-gold {
  background: var(--accent-gold);
  color: var(--bg-dark);
  font-weight: 600;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: var(--accent-gold-bright);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(197, 155, 109, 0.25);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-3px);
}

.btn-wa {
  background: #25d366;
  color: #ffffff;
  font-weight: 600;
}

.btn-wa:hover {
  background: #20ba5a;
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.2);
}

/* ─── DARK GLASS CARDS (Premium Navy) ─── */
.glass-card {
  background: var(--glass-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-luxe);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-gold-bright);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.5);
}

/* ─── SECTION HEADERS ─── */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  color: var(--accent-gold);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.section-title .gold-accent {
  color: var(--accent-gold);
  font-style: italic;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

/* ─── MODAL ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 16, 30, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-gold-bright);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  padding: 3.5rem 3rem;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--text-muted);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition-smooth);
}

.modal-close:hover {
  color: var(--accent-gold);
}

/* ─── FOOTER ─── */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 6rem var(--space-xl) 3rem;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto 5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-brand img {
  height: 140px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 300;
  max-width: 90%;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 2px;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition-smooth);
}

.social-contact-links .footer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1.4;
}

.footer-link:hover {
  color: var(--text-main);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 300;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .header-nav { padding: 0 var(--space-lg); }
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

@media (max-width: 640px) {
  .header-nav { padding: 0 var(--space-md); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .section-header { margin-bottom: 3rem; }
  .glass-card { padding: 2rem 1.5rem; }
}


/* ─── FLOATING WHATSAPP (Premium) ─── */
.wa-float-premium {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.4);
  z-index: 9999;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.wa-float-premium:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 28px rgba(37, 211, 102, 0.6);
  color: white;
}

.wa-float-premium svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}