@import url('variables.css');

/* =============================================
   HEADER - Navigation & Logo
   Prefix: header-- / menu--
   ============================================= */

/* --- Main Header Wrapper --- */
.header--main {
    background-color: var(--color-dark-secondary);
    position: sticky;
    top: 0;
    z-index: 1040;
    box-shadow: 0 2px 20px rgba(var(--color-black-rgb), 0.15);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header--main.header--scrolled {
    background-color: rgba(var(--color-dark-secondary-rgb), 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(var(--color-black-rgb), 0.2);
}

/* --- Logo --- */
.header--logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    padding: 12px 0;
    flex-shrink: 0;
    margin-right: 30px;
}

.header--logo:hover {
    text-decoration: none;
}

.header--logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    flex-shrink: 0;
}

.header--logo-icon i {
    font-size: 21px;
    color: var(--color-white);
}

.header--logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.header--logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.header--logo-brand {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.3px;
}

.header--logo-slogan {
    font-size: 11px;
    font-weight: 400;
    color: rgba(var(--color-white-rgb), 0.5);
    letter-spacing: 0.3px;
}

/* --- Navigation Menu --- */
.menu--collapse {
    display: flex;
    flex-grow: 1;
    align-items: center;
}

.menu--nav {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.menu--nav-link {
    color: rgba(var(--color-white-rgb), 0.8) !important;
    font-size: 16px;
    font-weight: 500;
    padding: 22px 16px !important;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.3s ease, background-color 0.3s ease;
    border: none;
    letter-spacing: 0.2px;
    cursor: pointer;
}

/* Bottom indicator line */
.menu--nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 3px 3px 0 0;
    transition: width 0.3s ease;
}

.menu--nav-link:hover {
    color: var(--color-white) !important;
    background-color: rgba(var(--color-white-rgb), 0.04);
}

.menu--nav-link:hover::before,
.menu--nav-link.active::before {
    width: 50%;
}

.menu--nav-link.active {
    color: var(--color-white) !important;
}

/* Custom dropdown chevron icon */
.menu--nav-link .menu--chevron {
    font-size: 11px;
    opacity: 0.5;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* --- Dropdown Menu --- */
.menu--dropdown {
    background: var(--color-white);
    border: none;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 20px 50px rgba(var(--color-black-rgb), 0.14);
    padding: 8px;
    min-width: 220px;
    margin-top: 0 !important;
    border-top: 3px solid var(--color-primary);
}

.menu--dropdown-item {
    color: var(--color-text-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: 9px 14px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.menu--dropdown-item:hover {
    background-color: var(--color-bg-primary-tint);
    color: var(--color-primary);
    padding-left: 18px;
}

.menu--dropdown-item i {
    font-size: 18px;
    color: var(--color-primary);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* --- Desktop Dropdown (CSS Hover) --- */
@media (min-width: 992px) {
    .menu--nav-item.dropdown > .menu--dropdown {
        display: block;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        transition: all 0.25s ease;
    }

    .menu--nav-item.dropdown:hover > .menu--dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .menu--nav-item.dropdown:hover .menu--chevron {
        transform: rotate(180deg);
        opacity: 0.9;
    }
}

/* --- Hamburger Button --- */
.menu--hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: rgba(var(--color-white-rgb), 0.05);
    border: 1px solid rgba(var(--color-white-rgb), 0.15);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    gap: 5px;
    transition: background-color 0.3s ease;
}

.menu--hamburger:hover {
    background: rgba(var(--color-white-rgb), 0.1);
}

.menu--hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: rgba(var(--color-white-rgb), 0.85);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Hamburger → X animation */
.menu--hamburger.active .menu--hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu--hamburger.active .menu--hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu--hamburger.active .menu--hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Panel Header --- */
.menu--panel-header {
    display: none;
}

.menu--panel-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-white-rgb), 0.06);
    border: 1px solid rgba(var(--color-white-rgb), 0.1);
    border-radius: 8px;
    color: rgba(var(--color-white-rgb), 0.7);
    font-size: 17px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.menu--panel-close:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
}

/* --- Menu Overlay --- */
.menu--overlay {
    position: fixed;
    inset: 0;
    background: rgba(var(--color-black-rgb), 0.5);
    z-index: 1055;
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu--overlay.active {
    opacity: 1;
    visibility: visible;
}


/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */

/* --- Tablet Landscape --- */
@media (max-width: 1199px) {
    .header--logo {
        margin-right: 20px;
    }

    .menu--nav-link {
        padding: 20px 12px !important;
        font-size: 15px;
    }
}

/* --- Mobile: Slide-in Panel --- */
@media (max-width: 991px) {
    .menu--hamburger {
        display: flex;
    }

    .header--logo {
        margin-right: 0;
    }

    /* Slide-in Panel */
    .menu--collapse {
        position: fixed;
        top: 0;
        left: -320px;
        width: 300px;
        height: 100vh;
        height: 100dvh;
        background: var(--color-dark-secondary);
        z-index: 1060;
        overflow-y: auto;
        transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex !important;
        flex-direction: column;
        align-items: stretch;
        flex-grow: 0;
        padding: 0;
    }

    .menu--collapse.open {
        left: 0;
    }

    /* Panel Header */
    .menu--panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 18px;
        border-bottom: 1px solid rgba(var(--color-white-rgb), 0.08);
        flex-shrink: 0;
    }

    .menu--panel-header .header--logo {
        padding: 0;
        margin-right: 0;
        min-width: 0;
        flex: 1;
    }

    .menu--panel-header .header--logo-text {
        min-width: 0;
    }

    .menu--panel-header .header--logo-brand {
        white-space: normal;
        word-break: break-word;
        line-height: 1.25;
    }

    /* Nav Items */
    .menu--nav {
        flex-direction: column;
        padding: 14px;
        gap: 2px;
        margin-left: 0 !important;
        align-items: stretch;
    }

    .menu--nav-item {
        width: 100%;
    }

    .menu--nav-link {
        padding: 12px 14px !important;
        border-radius: 8px;
        font-size: 16px;
        white-space: normal;
    }

    .menu--nav-link::before {
        display: none;
    }

    .menu--nav-link:hover,
    .menu--nav-link.active {
        background-color: rgba(var(--color-white-rgb), 0.06);
    }

    /* Mobile Dropdown - smooth animation */
    .menu--collapse .dropdown-menu.menu--dropdown {
        display: block !important;
        position: static !important;
        float: none;
        background: rgba(var(--color-white-rgb), 0.04);
        border: none;
        border-top: none;
        border-radius: 8px;
        box-shadow: none;
        padding: 0 4px;
        margin: 0;
        min-width: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                    padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .menu--collapse .dropdown.open > .dropdown-menu.menu--dropdown {
        max-height: 400px;
        padding: 4px;
        margin: 2px 0 4px;
    }

    .menu--chevron {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .menu--collapse .dropdown.open .menu--chevron {
        transform: rotate(180deg);
        opacity: 0.9;
    }

    .menu--collapse .menu--dropdown-item {
        color: rgba(var(--color-white-rgb), 0.7);
        border-radius: 8px;
        padding-left: 14px;
        transition: all 0.25s ease;
    }

    .menu--collapse .menu--dropdown-item:hover {
        background-color: rgba(var(--color-primary-rgb), 0.1);
        color: var(--color-primary);
        padding-left: 18px;
    }

    .menu--collapse .menu--dropdown-item i {
        color: rgba(var(--color-white-rgb), 0.5);
    }

    .menu--collapse .menu--dropdown-item:hover i {
        color: var(--color-primary);
    }
}

/* --- Small Mobile --- */
@media (max-width: 575px) {
    .header--logo-brand {
        font-size: 14px;
    }

    .header--logo-icon {
        width: 32px;
        height: 32px;
    }

    .header--logo {
        padding: 10px 0;
    }

    .menu--collapse {
        width: 280px;
        left: -300px;
    }
}