/* Header Navigation Styles - Shared between DE and EN */

html, body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
body::before {
    content: none;
}
* {
    margin-top: 0;
    padding-top: 0;
    box-sizing: border-box;
}

/* Navigation Header Styles */
.navbar {
    background: linear-gradient(135deg, rgba(26, 40, 68, 0.95), rgba(13, 27, 42, 0.95));
    padding: 0;
    position: fixed;
    top: -1px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(64, 192, 240, 0.15);
    margin-top: -1px;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #40c0f0, #00b2a9, transparent);
    opacity: 0.7;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo */
.logo {
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 700;
    text-decoration: none;
    padding: 1rem 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo:hover {
    color: #40c0f0;
    text-shadow: 0 0 20px rgba(64, 192, 240, 0.5);
}

.logo-image {
    height: 60px;
    transition: all 0.3s ease;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(13, 27, 42, 0.6);
    border: 1px solid rgba(64, 192, 240, 0.25);
    border-radius: 8px;
    padding: 4px;
    margin-left: 15px;
    flex-shrink: 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.language-switcher:hover {
    border-color: rgba(64, 192, 240, 0.4);
    box-shadow:
        0 4px 16px rgba(64, 192, 240, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.lang-option {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 6px 12px;
    border-radius: 5px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.lang-option:hover {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(64, 192, 240, 0.1);
}

.lang-option.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(64, 192, 240, 0.3), rgba(0, 178, 169, 0.3));
    box-shadow:
        0 0 12px rgba(64, 192, 240, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.lang-option.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #40c0f0, transparent);
    border-radius: 1px;
}

.lang-divider {
    width: 1px;
    height: 16px;
    background: rgba(64, 192, 240, 0.3);
    margin: 0 2px;
}

/* Desktop Navigation */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto;
}

.nav-item {
    margin: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    padding: 1.5rem 1.2rem;
    display: block;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(0, 178, 169, 0.1), rgba(64, 192, 240, 0.1));
    color: #40c0f0;
    text-shadow: 0 0 10px rgba(64, 192, 240, 0.3);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00b2a9, #40c0f0);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 178, 169, 0.5);
}

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

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

.new-badge {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #ffffff;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.65em;
    font-weight: bold;
    margin-left: 8px;
    vertical-align: middle;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(46, 204, 113, 0.3);
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, rgba(26, 40, 68, 0.98), rgba(13, 27, 42, 0.98));
    min-width: 240px;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(64, 192, 240, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    border-bottom: 1px solid rgba(64, 192, 240, 0.08);
}

.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-link {
    display: block;
    padding: 12px 20px;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 6px;
    margin: 4px 8px;
}

.dropdown-link:hover {
    background: linear-gradient(135deg, rgba(0, 178, 169, 0.2), rgba(64, 192, 240, 0.2));
    color: #40c0f0;
    text-shadow: 0 0 10px rgba(64, 192, 240, 0.3);
    transform: translateX(5px);
}

.dropdown-link.active {
    background: linear-gradient(135deg, rgba(0, 178, 169, 0.3), rgba(64, 192, 240, 0.3));
    color: #40c0f0;
    text-shadow: 0 0 10px rgba(64, 192, 240, 0.5);
    border-left: 3px solid #00b2a9;
}

.dropdown-toggle {
    position: relative;
}

.dropdown-toggle.active {
    color: #40c0f0 !important;
    text-shadow: 0 0 10px rgba(64, 192, 240, 0.3);
}

.dropdown-toggle.active::after {
    color: #40c0f0;
}

.dropdown-toggle.active::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #00b2a9, #40c0f0);
    box-shadow: 0 0 10px rgba(0, 178, 169, 0.5);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    padding: 1rem;
    color: #ffffff;
    font-size: 1.5rem;
    z-index: 1002;
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: block;
    width: 26px;
    height: 3px;
    background: #ffffff;
    margin: 5px 0;
    transition: 0.3s;
    position: relative;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 26px;
    height: 3px;
    background: #ffffff;
    position: absolute;
    transition: 0.3s;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* ===== MOBILE STYLES ===== */
@media screen and (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }

    .nav-toggle-label {
        display: flex;
        order: 2;
    }

    .language-switcher {
        order: 3;
        margin-left: 10px;
        padding: 3px;
        background: rgba(13, 27, 42, 0.8);
        border-color: rgba(64, 192, 240, 0.35);
    }

    .lang-option {
        padding: 5px 10px;
        font-size: 0.8rem;
    }

    .lang-divider {
        height: 14px;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, rgba(26, 40, 68, 0.98), rgba(13, 27, 42, 0.98));
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(64, 192, 240, 0.1);
        border-top: none;
        border-radius: 0 0 16px 16px;
    }

    .nav-item {
        width: 100%;
        border-top: 1px solid rgba(64, 192, 240, 0.08);
    }

    .nav-link {
        padding: 1.2rem 1.5rem;
        text-align: left;
        border-bottom: none;
    }

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

    .nav-link:hover {
        background: linear-gradient(135deg, rgba(0, 178, 169, 0.15), rgba(64, 192, 240, 0.15));
        padding-left: 2rem;
        border-left: 3px solid #00b2a9;
    }

    /* Toggle functionality */
    .nav-toggle:checked ~ .nav-menu {
        max-height: 500px;
    }

    .nav-toggle:checked ~ .nav-toggle-label .hamburger {
        background: transparent;
        box-shadow: none;
    }

    .nav-toggle:checked ~ .nav-toggle-label .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .nav-toggle:checked ~ .nav-toggle-label .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
    }

    .logo-image {
        height: 45px;
    }

    /* Mobile Dropdown Styles */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(13, 27, 42, 0.6);
        margin-left: 20px;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown:hover .dropdown-menu,
    .dropdown.open .dropdown-menu {
        max-height: 300px;
    }

    .dropdown-toggle::after {
        margin-left: auto;
    }

    .dropdown-link {
        padding: 10px 15px;
        margin: 0;
        border-radius: 0;
        border-left: 3px solid transparent;
    }

    .dropdown-link:hover {
        border-left-color: #00b2a9;
        transform: none;
        padding-left: 20px;
    }

    /* Hide LinkedIn in mobile menu, show in nav */
    .nav-linkedin {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 10px;
    }

    .logo-image {
        height: 40px;
    }

    .language-switcher {
        padding: 2px;
    }

    .lang-option {
        padding: 4px 8px;
        font-size: 0.75rem;
    }

    .lang-divider {
        height: 12px;
        margin: 0 1px;
    }

    .nav-toggle-label {
        padding: 0.8rem;
    }

    .hamburger,
    .hamburger::before,
    .hamburger::after {
        width: 22px;
    }
}

/* Smooth transitions */
* {
    box-sizing: border-box;
}