/* ═══════════════════════════════════════════════
   ZBApex — Header Styles
   Covers: Top Bar + Navbar + Mobile Drawer
═══════════════════════════════════════════════ */

/* ───────────────────────────
   TOP BAR
─────────────────────────── */
.topbar {
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--topbar-border);
    padding: 7px 0;
    position: relative;
    z-index: 200;
}

.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.topbar-contact {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.topbar-contact a {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    color: var(--nav-text);
    text-decoration: none;
    transition: color 0.2s;
    font-family: var(--en);
}

.topbar-contact a:hover {
    color: var(--gold);
}

/* Dot separator */
.sep {
    width: 3px;
    height: 3px;
    background: var(--gold-d);
    border-radius: 50%;
    opacity: 0.45;
    flex-shrink: 0;
}

/* Language switcher */
.lang-switcher {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--gold-a20);
    color: var(--nav-text);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--en);
    letter-spacing: 0.04em;
    transition: all 0.2s;
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--gold);
    color: var(--n900);
    border-color: var(--gold);
}

/* ───────────────────────────
   NAVBAR
─────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--nav-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: box-shadow 0.3s;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 20px;
    transition: height 0.3s ease;
}

/* ── Scroll-shrink state (toggled by animations.js) ── */
.navbar.nav-scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.navbar.nav-scrolled .container {
    height: 56px;
}

.navbar.nav-scrolled .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 13px;
    transition: all 0.3s ease;
}

.navbar.nav-scrolled .logo-text {
    font-size: 17px;
    transition: font-size 0.3s ease;
}

.navbar.nav-scrolled .logo-sub {
    display: none;
}

/* Logo */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    width: 42px;
    height: 42px;
    background: var(--gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 900;
    color: var(--n900);
    font-family: var(--en);
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.logo-text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--nav-text);
    letter-spacing: 0.02em;
    font-family: var(--en);
}

.logo-text .zb {
    color: var(--gold);
}

.logo-sub {
    font-size: 9px;
    color: var(--nav-text);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-top: 3px;
    font-family: var(--en);
}

/* Desktop nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 7px;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: var(--en);
}

.nav-links a:hover {
    color: var(--gold);
    background: var(--gold-a09);
}

/* WhatsApp CTA button */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 7px;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    padding: 9px 20px;
    border-radius: 25px;
    transition: all 0.2s;
    font-family: var(--en);
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-cta:hover {
    background: #1ebe5d;
    transform: translateY(-1px);
}

.nav-cta svg {
    width: 16px;
    height: 16px;
    fill: #fff;
    flex-shrink: 0;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--nav-text);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Mobile drawer */
.nav-drawer {
    display: none;
    flex-direction: column;
    background: var(--n800);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 8px 0;
}

.nav-drawer a {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 24px;
    font-family: var(--en);
    transition: color 0.2s;
}

.nav-drawer a:hover {
    color: var(--gold);
}

.nav-drawer.open {
    display: flex;
}

.drawer-wa {
    margin: 8px 24px 4px;
    background: #25D366;
    color: #fff;
    text-align: center;
    border-radius: 8px;
    padding: 12px;
    font-weight: 700;
}

/* ───────────────────────────
   RESPONSIVE
─────────────────────────── */
@media (max-width: 920px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 580px) {
    .topbar-contact {
        display: none;
    }
}