/* =====================================================
   CONTACT PAGE – Ergänzendes Stylesheet
   Datei: assets/css/contact.css
   Wird zusätzlich zu style.css geladen
===================================================== */

/* =====================================================
   LAYOUT: Zwei-Spalten
===================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--sp-6);
    align-items: start;
}

/* =====================================================
   FORM-SPALTE
===================================================== */
.contact-heading {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 2.5vw, 2.4rem);
    color: var(--c-paper-ink);
    margin: 0 0 var(--sp-5) 0;
}

.inquiry-form { margin-top: 0; }

/* Fieldset-Trenner */
.form-fieldset {
    border: none;
    padding: 0;
    margin: 0 0 var(--sp-5) 0;
}

.form-legend {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: color-mix(in srgb, var(--c-paper-ink) 55%, transparent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 400;
    margin-bottom: var(--sp-3);
    padding: 0 0 var(--sp-2) 0;
    border-bottom: 1px solid var(--c-paper-line);
    width: 100%;
}

/* Form-Grid: 2 Spalten */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-3);
}

.form-field-full { grid-column: 1 / -1; }

/* Datum-Zeile: Start | Ende, Checkbox darunter unter Start */
.date-grid {
    grid-template-rows: auto auto;
}
.date-grid__start { grid-column: 1; grid-row: 1; }
.date-grid__end   { grid-column: 2; grid-row: 1; }
.date-grid__checkbox { grid-column: 1; grid-row: 2; }

/* Label */
.form-field label {
    display: block;
    margin-bottom: var(--sp-1);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--c-paper-ink);
}

/* Inputs & Textarea */
.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--c-paper-line);
    background: color-mix(in srgb, var(--c-paper-ink) 4%, transparent);
    color: var(--c-paper-ink);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
    box-sizing: border-box;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: color-mix(in srgb, var(--c-paper-ink) 35%, transparent);
}

.form-field input:hover,
.form-field textarea:hover {
    border-color: color-mix(in srgb, var(--c-paper-ink) 25%, transparent);
    background: color-mix(in srgb, var(--c-paper-ink) 6%, transparent);
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--c-teal);
    background: color-mix(in srgb, var(--c-teal) 6%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-teal) 15%, transparent);
}

.form-field textarea {
    resize: vertical;
    min-height: 110px;
}

/* Datum-Feld: Kalender-Icon anpassen */
.form-field input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.4);
    cursor: pointer;
}

/* Checkbox-Zeile */
.checkbox-row {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-1);
}

.checkbox {
    display: inline-flex;
    gap: 0.6rem;
    align-items: center;
    cursor: pointer;
    user-select: none;
    color: var(--c-paper-ink);
    font-size: 0.9rem;
}

.checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--c-teal);
    flex-shrink: 0;
}

/* Chips (Service-Auswahl) */
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-top: var(--sp-1);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 0.45rem 0.9rem;
    border-radius: 99px;
    border: 1px solid var(--c-paper-line);
    background: color-mix(in srgb, var(--c-paper-ink) 4%, transparent);
    cursor: pointer;
    font-size: 0.875rem;
    color: #6b6356;
    transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
    user-select: none;
}

.chip:hover {
    border-color: color-mix(in srgb, var(--c-paper-ink) 25%, transparent);
    color: var(--c-paper-ink);
    background: color-mix(in srgb, var(--c-paper-ink) 7%, transparent);
}

.chip input[type="checkbox"] {
    display: none; /* visuell versteckt – Chip selbst ist der Toggle */
}

.chip:has(input[type="checkbox"]:checked) {
    border-color: var(--c-teal);
    background: color-mix(in srgb, var(--c-teal) 12%, transparent);
    color: var(--c-teal-deep);
}

/* Fehlermeldungen */
.field-error {
    margin-top: var(--sp-1);
    color: #c0392b;
    font-size: 0.85rem;
    min-height: 1.1em;
}

.field-error:empty { display: none; }

/* Hint */
.hint {
    font-size: 0.8rem;
    color: color-mix(in srgb, var(--c-paper-ink) 50%, transparent);
    font-weight: 400;
}

/* Required-Stern */
.required { color: #c0392b; font-weight: 600; }

/* Submit-Button */
.form-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-top: var(--sp-2);
    flex-wrap: wrap;
}

.btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid color-mix(in srgb, var(--c-ivory) 30%, transparent);
    border-top-color: var(--c-ivory);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn.is-loading { pointer-events: none; opacity: 0.7; }
.btn.is-loading .btn-spinner { display: block; }

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Form-Status */
.form-status { font-size: 0.95rem; line-height: 1.5; }
.form-status:empty { display: none; }
.form-status--success { color: var(--c-teal-deep); }
.form-status--error   { color: #c0392b; }
.form-status--info    { color: color-mix(in srgb, var(--c-paper-ink) 55%, transparent); }

/* Hidden */
.hidden { display: none; }

/* Honeypot */
.honeypot-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* =====================================================
   INFO-SPALTE (rechts)
===================================================== */
.contact-info-col {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: sticky;
    top: 100px;
}

.contact-info-block {
    padding: var(--sp-4) 0;
    border-bottom: 1px solid var(--c-paper-line);
}

.contact-info-block:last-child { border-bottom: none; }

.contact-info-block__title {
    font-family: var(--font-display);
    font-size: 1rem;
    color: color-mix(in srgb, var(--c-paper-ink) 55%, transparent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 400;
    margin: 0 0 var(--sp-3) 0;
}

.contact-info-block__link {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    color: #6b6356;
    text-decoration: none;
    font-size: 0.975rem;
    margin-bottom: var(--sp-2);
    transition: color var(--t-fast);
}

.contact-info-block__link:hover { color: var(--c-paper-ink); }

.contact-info-block__icon { font-size: 1rem; flex-shrink: 0; }

.contact-info-block__note {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #6b6356;
    margin: 0;
}

.contact-info-block__note strong { color: var(--c-paper-ink); }

/* Checkliste */
.contact-checklist {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--sp-3) 0;
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.contact-checklist li {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.9rem;
    color: #6b6356;
}

.contact-checklist li::before {
    content: "✓";
    color: var(--c-teal-deep);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* Social Link */
.contact-info-block__social {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    color: #6b6356;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--t-fast);
}

.contact-info-block__social:hover { color: var(--c-paper-ink); }

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 900px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--sp-5);
    }

    .contact-info-col {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0 var(--sp-4);
    }

    .contact-info-block {
        border-bottom: none;
        border-top: 1px solid var(--c-paper-line);
        padding: var(--sp-3) 0;
    }
}

@media (max-width: 600px) {
    .form-grid,
    .date-grid { grid-template-columns: 1fr; }
    .date-grid__start, .date-grid__end, .date-grid__checkbox { grid-column: 1; }
    .date-grid__start { grid-row: 1; }
    .date-grid__checkbox { grid-row: 2; }
    .date-grid__end { grid-row: 3; }

    .contact-info-col { grid-template-columns: 1fr; }

    .form-actions .btn { width: 100%; justify-content: center; }
}