html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

:root {
    --link: #006bb7;
    --button: #1b6ec2;
    --button-rand: #1861ac;
    --button-text: #ffffff;
    --farbe-akzent: #4FE3E7;
    --farbe-akzent-2: #00E676;
    --farbe-akzent-3: #FFD600;
    --farbe-kopf-von: #2b3a67;
    --farbe-kopf-bis: #6b5b8a;
    --farbe-grund: #7b7f9e;
    --farbe-flaeche: #ffffff;
    --farbe-schrift: #1f2430;
    --farbe-schrift-hell: #eef1f7;
    --farbe-gedaempft: #8b93a7;
    --nav-hintergrund: #1b1b1b;
    --farbe-linie: #d7dbe6;
}

html, body {
    color: var(--farbe-schrift);
    background-color: var(--farbe-grund);
}

a, .btn-link {
    color: var(--link);
}

.btn-primary {
    color: var(--button-text);
    background-color: var(--button);
    border-color: var(--button-rand);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ==========================================================================
   NavTree (Treeview-Navigation aus NavBarWeb) + Sprachumschalter
   ========================================================================== */
.navbar-toggler {
    appearance: none;
    cursor: pointer;
    width: 3.5rem;
    height: 2.5rem;
    color: white;
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem rgba(255, 255, 255, 0.1);
}

.navbar-toggler:checked {
    background-color: rgba(255, 255, 255, 0.5);
}

.sidebar-top-row {
    min-height: 3.5rem;
    background-color: rgba(0,0,0,0.4);
}

.navbar-brand {
    font-size: 1.1rem;
}

.nav-scrollable {
    display: none;
}

.navbar-toggler:checked ~ .nav-scrollable {
    display: block;
}

.nav-tree-item {
    font-size: 0.9rem;
    padding: 0 0.75rem;
}

.nav-tree-item .nav-link {
    color: var(--farbe-schrift-hell);
    background: none;
    border: none;
    border-radius: 4px;
    min-height: 3rem;
    display: flex;
    align-items: center;
    line-height: 1.3;
    width: 100%;
    padding: 0.5rem 0 0.5rem 0.5rem;
}

.nav-tree-item .nav-link.active {
    background-color: color-mix(in srgb, var(--farbe-flaeche) 37%, transparent);
    color: var(--farbe-flaeche);
}

.nav-tree-item .nav-link:hover {
    background-color: color-mix(in srgb, var(--farbe-flaeche) 10%, transparent);
    color: var(--farbe-flaeche);
}

.nav-tree-children {
    padding-left: 0.75rem;
    border-left: 1px solid color-mix(in srgb, var(--farbe-flaeche) 15%, transparent);
    margin-left: 1.25rem;
}

.sidebar-logo {
    padding: 1rem;
    margin-top: auto;
    text-align: center;
}

/* ==========================================================================
   Kontaktformular
   ========================================================================== */
.contact-wrap {
    max-width: 780px;
    padding-bottom: 3rem;
}

.contact-card {
    background: color-mix(in srgb, var(--farbe-kopf-von) 35%, transparent);
    border: 1px solid color-mix(in srgb, var(--farbe-akzent) 20%, transparent);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-card .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.contact-card .field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-card .field label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--farbe-akzent);
}

.contact-card .inp {
    background: color-mix(in srgb, var(--farbe-schrift) 65%, transparent);
    border: 1px solid color-mix(in srgb, var(--farbe-akzent) 40%, transparent);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--farbe-schrift-hell);
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.15s;
}

.contact-card .inp:focus {
    border-color: var(--farbe-akzent);
    background: color-mix(in srgb, var(--farbe-schrift) 80%, transparent);
}

.contact-card .inp::placeholder { color: color-mix(in srgb, var(--farbe-schrift-hell) 55%, transparent); }

textarea.inp { resize: vertical; }

.send-btn {
    align-self: flex-end;
    background: color-mix(in srgb, var(--farbe-akzent-2) 15%, transparent);
    border: 1px solid var(--farbe-akzent-2);
    border-radius: 8px;
    padding: 10px 28px;
    color: var(--farbe-akzent-2);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.send-btn:hover:not(:disabled) { background: color-mix(in srgb, var(--farbe-akzent-2) 28%, transparent); }
.send-btn:disabled { opacity: 0.5; cursor: default; }

.success-box {
    background: color-mix(in srgb, var(--farbe-akzent-2) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--farbe-akzent-2) 40%, transparent);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    color: var(--farbe-akzent-2);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.error-box {
    background: rgba(255,80,80,0.12);
    border: 1px solid rgba(255,80,80,0.35);
    border-radius: 8px;
    padding: 10px 16px;
    color: #ff6b6b;
    font-size: 13px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-top: 2rem;
    padding: 1.5rem 2rem;
    background: color-mix(in srgb, var(--farbe-kopf-von) 25%, transparent);
    border: 1px solid color-mix(in srgb, var(--farbe-akzent) 15%, transparent);
    border-radius: 12px;
}

.ci-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--farbe-akzent);
    margin-bottom: 6px;
}

.ci-value {
    font-size: 13px;
    line-height: 1.7;
    opacity: 0.85;
}

@media (max-width: 640px) {
    .contact-card .field-row { grid-template-columns: 1fr; }
    .contact-info { flex-direction: column; gap: 1.2rem; }
    .send-btn { align-self: stretch; text-align: center; }
}

.gruppen-titel {
    color: var(--farbe-akzent);
    font-size: 1.1rem;
    margin: 1.2rem 0 0.2rem 0;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid color-mix(in srgb, var(--farbe-akzent) 30%, transparent);
}

/* ==========================================================================
   ServiceCard
   ========================================================================== */
.card {
    background: color-mix(in srgb, var(--farbe-flaeche) 80%, transparent);
    backdrop-filter: blur(3px);
}

.card-body {
    background-color: var(--farbe-kopf-von);
    color: var(--farbe-akzent);
}

.card:hover {
    background: color-mix(in srgb, var(--farbe-flaeche) 88%, transparent);
}

.sidebar-logo img {
    width: 80%;
    max-width: 180px;
    opacity: 0.85;
    border-radius: 8px;
}

@media (min-width: 641px) {
    .navbar-toggler {
        display: none;
    }

    .nav-scrollable {
        display: flex;
        flex-direction: column;
        height: calc(100vh - 3.5rem);
        overflow-y: auto;
    }
}

.language-switcher {
    display: flex;
    gap: 0.4rem;
}

.lang-btn {
    border: 1px solid color-mix(in srgb, var(--farbe-kopf-von) 30%, transparent);
    background: var(--farbe-flaeche);
    color: var(--farbe-kopf-von);
    border-radius: 4px;
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
}

.lang-btn:hover {
    background: color-mix(in srgb, var(--farbe-kopf-von) 8%, transparent);
}

.lang-btn.active {
    background-image: linear-gradient(135deg, var(--farbe-kopf-von) 0%, var(--farbe-kopf-bis) 100%);
    color: var(--farbe-schrift-hell);
    border-color: transparent;
}

/* ==========================================================================
   Grundlayout (bisher MainLayout.razor.css / #blazor-error-ui)
   ========================================================================== */
.page {
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: var(--farbe-grund);
}

main {
    flex: 1;
}

.sidebar {
    background-image: linear-gradient(180deg, var(--farbe-kopf-von) 0%, var(--farbe-kopf-bis) 70%);
}

main .top-row {
    background-color: var(--farbe-grund);
    border-bottom: 1px solid color-mix(in srgb, var(--farbe-akzent) 20%, transparent);
    justify-content: flex-end;
    height: 3.5rem;
    display: flex;
    align-items: center;
}

@media (max-width: 640.98px) {
    main .top-row {
        justify-content: space-between;
    }
}

@media (min-width: 641px) {
    .page {
        flex-direction: row;
    }

    .sidebar {
        width: 250px;
        height: 100vh;
        position: sticky;
        top: 0;
    }

    main .top-row {
        position: sticky;
        top: 0;
        z-index: 1;
    }

    main .top-row, article {
        padding-left: 2rem !important;
        padding-right: 1.5rem !important;
    }

    .content {
        position: relative;
        min-height: 100vh;
        z-index: 0;
    }

    .content::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-image: url('/images/Logo1.png');
        background-repeat: no-repeat;
        background-position: center;
        background-size: clamp(200px, 30vw, 500px);
        opacity: 0.5;
        z-index: -1;
        pointer-events: none;
    }
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}