/* ============ Header Styles ============ */

.main-header {
    --header-height: 70px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.98);
    border-bottom: 2px solid rgba(255, 133, 51, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    width: 100%;
    margin: 0;
    padding: 0;
}

.header-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 20px;
    box-sizing: border-box;
}

.logo-section {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #ff8533;
    font-weight: 900;
    font-size: 18px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.logo-link:hover {
    transform: scale(1.05);
    text-shadow: 0 0 15px rgba(255, 133, 51, 0.5);
}

.logo-link i {
    font-size: 24px;
}

.logo-text {
    text-transform: uppercase;
}

.navigation {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff8533, #ff6b1a);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #ff8533;
}

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

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.theme-toggle,
.menu-toggle {
    background: none;
    border: none;
    color: #ff8533;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover,
.menu-toggle:hover {
    background-color: rgba(255, 133, 51, 0.15);
    transform: scale(1.1);
    color: #ff6b1a;
}

.menu-toggle {
    display: none;
}

/* Responsive Design */

/* شاشات كبيرة جداً (1920px وما فوق) */
@media (min-width: 1920px) {
    .header-container {
        padding: 0 40px;
        height: 80px;
    }

    .logo-link {
        font-size: 22px;
    }

    .logo-link i {
        font-size: 28px;
    }

    .nav-link {
        font-size: 16px;
    }

    .nav-menu {
        gap: 40px;
    }
}

/* شاشات متوسطة (992px - 1200px) */
@media (max-width: 1200px) {
    .header-container {
        padding: 0 15px;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-link {
        font-size: 13px;
    }
}

/* شاشات صغيرة (768px - 992px) */
@media (max-width: 768px) {
    .main-header {
        --header-height: 65px;
    }
    .header-container {
        height: var(--header-height);
        padding: 0 15px;
    }

    .navigation {
        display: none;
        position: fixed;
        top: 65px;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(10, 10, 10, 0.99) 0%, rgba(10, 10, 10, 0.96) 100%);
        flex-direction: column;
        justify-content: flex-start;
        border-bottom: 2px solid rgba(255, 133, 51, 0.2);
        overflow-y: auto;
        padding: 0;
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
        height: calc(100vh - 65px);
        height: calc(100vh - var(--header-height));
    }

    .navigation.active {
        display: flex;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 12px 0;
        margin: 0;
    }

    .nav-link {
        font-size: 14px;
        padding: 16px 20px;
        border-bottom: 1px solid rgba(255, 133, 51, 0.08);
        display: block;
        border-radius: 0;
        margin: 0;
        text-align: right;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover {
        background: rgba(255, 133, 51, 0.15);
        padding-left: 24px;
    }

    .menu-toggle {
        font-size: 22px;
    }

    .logo-link {
        font-size: 16px;
    }

    .logo-link i {
        font-size: 20px;
    }

    .theme-toggle {
        font-size: 22px;
    }

    .header-actions {
        gap: 12px;
    }
}

/* هواتف صغيرة (576px - 768px) */
@media (max-width: 576px) {
    .main-header {
        --header-height: 60px;
    }
    .header-container {
        height: var(--header-height);
        padding: 0 12px;
    }

    .navigation {
        top: 60px;
        top: var(--header-height);
        height: calc(100vh - 60px);
        height: calc(100vh - var(--header-height));
    }

    .logo-link {
        font-size: 15px;
    }

    .logo-link i {
        font-size: 18px;
    }

    .menu-toggle,
    .theme-toggle {
        font-size: 20px;
        padding: 6px;
    }

    .nav-menu {
        padding: 0 15px;
    }

    .nav-link {
        font-size: 13px;
        padding: 10px 0;
    }
}

/* هواتف صغيرة جداً (320px - 480px) */
@media (max-width: 480px) {
    .main-header {
        border-bottom: 2px solid rgba(255, 133, 51, 0.15);
        --header-height: 56px;
    }

    .header-container {
        height: var(--header-height);
        padding: 0 10px;
        gap: 8px;
    }

    .logo-section {
        min-width: 0;
    }

    .logo-link {
        font-size: 14px;
        gap: 6px;
    }

    .logo-link i {
        font-size: 18px;
        flex-shrink: 0;
    }

    .logo-text {
        display: none;
    }

    .header-actions {
        gap: 8px;
    }

    .menu-toggle,
    .theme-toggle {
        font-size: 18px;
        padding: 6px;
        min-width: 36px;
        min-height: 36px;
    }

    .nav-menu {
        padding: 0 12px;
    }

    .nav-link {
        font-size: 12px;
        padding: 8px 0;
        letter-spacing: 0px;
    }

    .navigation {
        animation: slideDown 0.25s ease;
    }
}

@media (max-width: 480px) {
    .navigation {
        top: 56px;
        top: var(--header-height);
        height: calc(100vh - 56px);
        height: calc(100vh - var(--header-height));
    }
}

/* هواتف صغيرة جداً جداً (< 320px) */
@media (max-width: 320px) {
    .main-header {
        --header-height: 52px;
    }
    .header-container {
        height: var(--header-height);
        padding: 0 8px;
    }

    .logo-link {
        font-size: 12px;
    }

    .logo-link i {
        font-size: 16px;
    }

    .menu-toggle,
    .theme-toggle {
        font-size: 16px;
        padding: 4px;
        min-width: 32px;
        min-height: 32px;
    }

    .nav-link {
        font-size: 11px;
    }
}

@media (max-width: 320px) {
    .navigation {
        top: 52px;
        top: var(--header-height);
        height: calc(100vh - 52px);
        height: calc(100vh - var(--header-height));
    }
}

/* Light Mode */

body.light-mode .main-header {
    background-color: rgba(255, 255, 255, 0.97);
    border-bottom-color: rgba(255, 133, 51, 0.3);
    box-shadow: 0 4px 20px rgba(255, 133, 51, 0.1);
}

body.light-mode .logo-link,
body.light-mode .nav-link,
body.light-mode .theme-toggle,
body.light-mode .menu-toggle {
    color: #ff6b1a;
}

body.light-mode .navigation {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
}

body.light-mode .nav-link {
    color: #333333;
}

body.light-mode .nav-link:hover {
    color: #ff6b1a;
    background: rgba(255, 133, 51, 0.08);
}

body.light-mode .nav-link::after {
    background: linear-gradient(90deg, #ff6b1a, #ff4500);
}

body.light-mode .theme-toggle:hover,
body.light-mode .menu-toggle:hover {
    color: #ff6b1a;
}

body.light-mode .nav-link:focus-visible,
body.light-mode .menu-toggle:focus-visible,
body.light-mode .theme-toggle:focus-visible {
    outline-color: rgba(255, 133, 51, 0.5);
}