/* ============================================================
   nav.css — Topbar, navigation, dropdown, hamburger
   ============================================================ */

/* --- Topbar container --- */
#topbar {
    background-color: var(--color-main);
    background-image: var(--maingradient);
    box-shadow: 3px 8px 15px rgba(0, 0, 0, 0.25);
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

/* --- Logo area --- */
#topbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}
#topbar-logo img {
    height: 46px;
    margin-top: 4px;
}
#topbar-logo h3 {
    color: #fff;
    font-family: var(--font-special), sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.03em;
    line-height: 1.2;
}

/* --- Main nav --- */
#main-nav {
    display: none; /* hidden on mobile, shown on desktop */
    align-items: center;
    gap: 4px;
    list-style: none;
    height: 100%;
}

#main-nav > li {
    position: relative;
    height: 70px;
    display: flex;
    align-items: center;
}

#main-nav > li > a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 14px;
    color: rgba(255,255,255,0.9);
    text-transform: uppercase;
    text-decoration: none;
    height: 70px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}
#main-nav > li > a:hover,
#main-nav > li.open > a {
    background: rgba(0,0,0,0.2);
    color: var(--color-accent);
}

/* Arrow indicator for items with dropdowns */
#main-nav > li > a .nav-arrow {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s;
    flex-shrink: 0;
}
#main-nav > li.open > a .nav-arrow {
    transform: rotate(-135deg) translateY(-2px);
}

/* --- Dropdown --- */
.nav-dropdown {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    min-width: 200px;
    background: var(--color-main-dark);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    border-radius: 0 0 var(--radius) var(--radius);
    border-top: 3px solid var(--color-accent);
    list-style: none;
    z-index: 1001;
    padding: 6px 0;
}
.nav-dropdown.open {
    display: block;
}
.nav-dropdown li{
    border-bottom:1px solid var(--color-main)}
.nav-dropdown li a {
    display: block;
    padding: 2px 18px;
    color: var(--color-secondary-light);
    text-align:left;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.nav-dropdown li a:hover {
    background: var(--maingradient);
    color: #FFF;;
}
/* Divider inside dropdown */
.nav-dropdown li.divider {
    height: 1px;
    background: #00F;
    margin: 0;
}

/* --- Search in topbar --- */
#topbar-search {
    display: none; /* shown on desktop */
    align-items: center;
    background: rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 0 12px;
    gap: 6px;
    transition: background 0.2s;
}
#topbar-search:focus-within {
    background: rgba(255,255,255,0.22);
}
#topbar-search input {
    background: none;
    border: none;
    outline: none;
    color: #fff;
    font-size: 0.85rem;
    width: 140px;
    font-family: var(--font-normal), sans-serif;
}
#topbar-search input::placeholder {
    color: rgba(255,255,255,0.6);
}
#topbar-search .search-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    flex-shrink: 0;
    -webkit-mask-image: url('/images/search.svg');
    mask-image: url('/images/search.svg');
    background-color: #fff;
    background-size: cover;
}

/* --- Hamburger (mobile) --- */
#hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    outline: none;
}
#hamburger span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
    transform-origin: center;
}
/* Hamburger → X animation */
#hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.open span:nth-child(2) { opacity: 0; }
#hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile nav drawer --- */
#mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--color-main-dark);
    background-image: linear-gradient(160deg, var(--color-main), var(--color-main-dark));
    z-index: 999;
    padding: 10px 0 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}
#mobile-nav.open {
    display: block;
}
#mobile-nav ul {
    list-style: none;
}
#mobile-nav > ul > li > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    color: rgba(255,255,255,0.9);
    font-family: var(--font-normal), sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
#mobile-nav > ul > li > a:hover {
    color: var(--color-accent);
    background: rgba(0,0,0,0.15);
}
.mobile-nav-arrow {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s;
    flex-shrink: 0;
}
#mobile-nav > ul > li.open > a .mobile-nav-arrow {
    transform: rotate(-135deg);
}
/* Mobile sub-menu */
.mobile-submenu {
    display: none;
    background: rgba(0,0,0,0.2);
    list-style: none;
}
.mobile-submenu.open {
    display: block;
}
.mobile-submenu li a {
    display: block;
    padding: 11px 24px 11px 36px;
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-submenu li a:hover {
    color: var(--color-accent);
}

/* --- Desktop breakpoint --- */
@media (min-width: 769px) {
    #main-nav { display: flex; }
    #topbar-search { display: flex; }
    #hamburger { display: none; }
    #mobile-nav { display: none !important; }
}