/* ============================================================
   BIZGRE.COM — nav.css
   Navigation principale + mobile menu
   ============================================================ */

/* ── Top bar ── */
.topbar {
  background: var(--primary-h);
  height: 36px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(201,168,76,0.15);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.70);
  transition: color var(--t);
}
.topbar-item:hover { color: var(--accent); }
.topbar-item svg { width: 13px; height: 13px; flex-shrink: 0; color: var(--accent); }
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.topbar-lang {
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
}

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--t), background var(--t);
  border-bottom: 1px solid rgba(201,168,76,0.12);
}
.navbar.scrolled {
  box-shadow: 0 4px 24px rgba(13,27,62,0.35);
}
.navbar .container {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  width: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-mark {
  width: 38px;
  height: 38px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: var(--fw-black);
  color: var(--primary);
  letter-spacing: -1px;
}
.nav-logo-text {
  font-size: 20px;
  font-weight: var(--fw-black);
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.nav-logo-text span { color: var(--accent); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: var(--fw-med);
  color: rgba(255,255,255,0.75);
  border-radius: var(--r-sm);
  transition: all var(--t);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--t);
  border-radius: 1px;
}
.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-dropdown-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform var(--t);
}
.nav-dropdown:hover .nav-dropdown-toggle svg {
  transform: rotate(180deg);
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--t);
  overflow: hidden;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: var(--fw-med);
  color: var(--primary);
  border-bottom: 1px solid var(--border);
  transition: all var(--t);
}
.nav-dropdown-item:last-child { border-bottom: none; }
.nav-dropdown-item:hover {
  background: var(--accent-pale);
  color: var(--accent-h);
  padding-left: 20px;
}
.nav-dropdown-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
  flex-shrink: 0;
}

/* CTA nav */
.nav-cta {
  margin-left: var(--sp-sm);
  padding: 10px 22px;
  background: var(--accent);
  color: var(--primary);
  border: none;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: var(--fw-black);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: all var(--t);
  white-space: nowrap;
  animation: pulse-gold 2.5s infinite;
}
.nav-cta:hover {
  background: var(--accent-h);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.40);
  animation: none;
}

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--t);
  transform-origin: left center;
}
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translateY(-1px); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translateY(1px); }

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  z-index: 999;
  flex-direction: column;
  padding: calc(var(--nav-height) + 24px) var(--sp-lg) var(--sp-lg);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.nav-mobile.open {
  transform: translateX(0);
}
.nav-mobile-link {
  display: block;
  padding: 16px 0;
  font-size: 22px;
  font-weight: var(--fw-bold);
  color: rgba(255,255,255,0.80);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--t), padding-left var(--t);
}
.nav-mobile-link:hover,
.nav-mobile-link.active {
  color: var(--accent);
  padding-left: 8px;
}
.nav-mobile-sub {
  padding: 8px 0 8px 16px;
  font-size: 15px;
  font-weight: var(--fw-med);
  color: rgba(255,255,255,0.55);
  display: block;
  transition: color var(--t);
}
.nav-mobile-sub:hover { color: var(--accent); }
.nav-mobile-cta {
  margin-top: var(--sp-lg);
  display: block;
  text-align: center;
  padding: 16px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--r-md);
  font-size: 16px;
  font-weight: var(--fw-black);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nav-mobile-contact {
  margin-top: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}
.nav-mobile-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.50);
}
.nav-mobile-contact-item svg { color: var(--accent); width: 15px; }

/* ── Footer ── */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.75);
  padding-top: var(--sp-2xl);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-xl);
  padding-bottom: var(--sp-xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand-name {
  font-size: 22px;
  font-weight: var(--fw-black);
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--sp-sm);
}
.footer-brand-name span { color: var(--accent); }
.footer-brand-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--sp-lg);
  max-width: 280px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.60);
  margin-bottom: 12px;
  transition: color var(--t);
}
.footer-contact-item:hover { color: var(--accent); }
.footer-contact-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-col-title {
  font-size: 11px;
  font-weight: var(--fw-black);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-sm);
  border-bottom: 1px solid rgba(201,168,76,0.25);
}
.footer-link {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.60);
  padding: 5px 0;
  transition: all var(--t);
}
.footer-link:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) 0;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: var(--sp-sm);
}
.footer-bottom-links {
  display: flex;
  gap: var(--sp-md);
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.35);
  transition: color var(--t);
}
.footer-bottom-links a:hover { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile { display: flex; }
  .topbar-left .topbar-item:not(:first-child) { display: none; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand-desc { max-width: 100%; }
  .topbar { display: none; }
}