/* ============================================================================
   PROJEKT STARTEN - Angebotsanfrage Formular
   Nutzt die bestehenden CSS-Variablen aus style.css
   ========================================================================== */

/* --- HERO (kompakt) --- */
.projekt-hero {
    padding: var(--space-xl) 0 var(--space-sm);
    text-align: center;
}

.projekt-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-secondary);
    margin-bottom: var(--space-lg);
}

.projekt-hero-badge svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.projekt-hero-title {
    font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
}

.projekt-hero-desc {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- CONTAINER (schmaler als Standard) --- */
.projekt-container {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.projekt-form-section {
    padding-top: var(--space-md) !important;
}

/* --- Fieldset Reset --- */
.projekt-form fieldset { border: none; padding: 0; margin: 0; }
.projekt-form legend { display: none; }

/* --- PROGRESS BAR --- */
.progress-wrapper {
    padding: var(--space-lg) 0 var(--space-xl);
    position: sticky;
    top: var(--header-height);
    z-index: 90;
    background: var(--color-dark);
}

.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 500px;
    margin: 0 auto;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
}

.progress-step:last-child { flex: 0; }

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    background: var(--color-gray-800);
    color: var(--color-gray-600);
    border: 2px solid var(--color-gray-700);
    transition: all var(--transition-base);
    flex-shrink: 0;
    position: relative;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--color-gray-800);
    transition: background var(--transition-base);
}

.progress-step.active .step-circle {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 16px rgba(0, 102, 255, 0.4);
}

.progress-step.completed .step-circle {
    background: var(--color-secondary);
    color: var(--color-dark);
    border-color: var(--color-secondary);
}

.progress-step.completed .step-line {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
}

.step-label { display: none; }

@media (min-width: 600px) {
    .step-label {
        display: block;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        white-space: nowrap;
        font-size: 0.7rem;
        color: var(--color-gray-600);
        margin-top: var(--space-xs);
        font-weight: 500;
    }
    .progress-step.active .step-label { color: var(--color-primary); }
    .progress-step.completed .step-label { color: var(--color-secondary); }
}

/* --- PROGRESS PERCENT --- */
.progress-percent-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    max-width: 500px;
    margin: var(--space-lg) auto 0;
}

.progress-percent-bar {
    flex: 1;
    height: 4px;
    background: var(--color-gray-800);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-percent-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
}

.progress-percent-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    white-space: nowrap;
    min-width: 100px;
    text-align: right;
}

/* --- FORM STEPS --- */
.form-step {
    display: none;
    animation: projektStepIn 0.3s ease;
}

.form-step.active { display: block; }

@keyframes projektStepIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- FORM CARDS --- */
.form-card {
    background: rgba(19, 32, 57, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.form-card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-card-title svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* --- FORM GROUPS --- */
.projekt-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

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

.projekt-form .form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-400);
    margin-bottom: var(--space-xs);
}

.projekt-form .form-group label .required {
    color: #ff6b35;
    margin-left: 2px;
}

.projekt-form .form-group input[type="text"],
.projekt-form .form-group input[type="email"],
.projekt-form .form-group input[type="tel"],
.projekt-form .form-group textarea,
.projekt-form .form-group select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 22, 40, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
}

.projekt-form .form-group input::placeholder,
.projekt-form .form-group textarea::placeholder {
    color: var(--color-gray-700);
}

.projekt-form .form-group input:focus,
.projekt-form .form-group textarea:focus,
.projekt-form .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

.projekt-form .form-group input.is-valid { border-color: var(--color-secondary); }
.projekt-form .form-group input.is-invalid,
.projekt-form .form-group textarea.is-invalid { border-color: #ff6b35; }

.projekt-form .form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.projekt-form .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.projekt-form .form-group select option {
    background: #0c1a2e;
    color: #fff;
}

.field-error {
    font-size: 0.75rem;
    color: #ff6b35;
    margin-top: var(--space-xs);
    display: none;
}

.form-group.has-error .field-error { display: block; }
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select { border-color: #ff6b35; }

/* --- CHECKBOX & RADIO --- */
.checkbox-group, .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.checkbox-group--col, .radio-group--col {
    flex-direction: column;
    gap: var(--space-xs);
}

.check-item, .radio-item {
    position: relative;
    display: flex;
    align-items: center;
}

.check-item input[type="checkbox"],
.radio-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.check-label, .radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 22, 40, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    min-height: 44px;
}

.check-label:hover, .radio-label:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-gray-200);
}

.check-item input:checked + .check-label,
.radio-item input:checked + .radio-label {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.check-indicator, .radio-indicator {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-700);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.radio-indicator { border-radius: 50%; }

.check-item input:checked + .check-label .check-indicator {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.check-item input:checked + .check-label .check-indicator::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.radio-item input:checked + .radio-label .radio-indicator {
    border-color: var(--color-primary);
}

.radio-item input:checked + .radio-label .radio-indicator::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* --- KONTAKTWEG-KARTEN --- */
.kontaktweg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.kontaktweg-card {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.kontaktweg-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.kontaktweg-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-sm);
    background: rgba(10, 22, 40, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    text-align: center;
}

.kontaktweg-card-inner svg {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.kontaktweg-card-inner span {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.kontaktweg-card:hover .kontaktweg-card-inner {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(19, 32, 57, 0.5);
}

.kontaktweg-card input:checked + .kontaktweg-card-inner {
    border-color: var(--color-primary);
    background: rgba(0, 102, 255, 0.08);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.12);
}

.kontaktweg-card input:checked + .kontaktweg-card-inner svg {
    color: var(--color-primary);
}

.kontaktweg-card input:checked + .kontaktweg-card-inner span {
    color: var(--color-white);
}

/* --- CONDITIONAL FIELDS --- */
.conditional-fields {
    display: none;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.conditional-fields.visible {
    display: block;
    animation: projektStepIn 0.2s ease;
}

/* --- KATEGORIE-KARTEN (Step 1) --- */
.projekt-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.projekt-category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-md);
    background: rgba(10, 22, 40, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    user-select: none;
}

.projekt-category-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(19, 32, 57, 0.6);
    transform: translateY(-2px);
}

.projekt-category-card.selected {
    border-color: var(--color-primary);
    background: rgba(0, 102, 255, 0.08);
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.15);
}

.projekt-category-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.projekt-category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: rgba(0, 102, 255, 0.1);
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.projekt-category-card.selected .projekt-category-icon {
    background: rgba(0, 102, 255, 0.2);
    color: var(--color-white);
}

.projekt-category-icon svg {
    width: 24px;
    height: 24px;
}

.projekt-category-name {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
}

.projekt-category-desc {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.4;
}

/* --- SUB-OPTIONS (nach Kategorie-Auswahl) --- */
.projekt-sub-options {
    display: none;
    animation: projektStepIn 0.3s ease;
}

.projekt-sub-options.visible {
    display: block;
}

.projekt-sub-section {
    margin-bottom: var(--space-lg);
}

.projekt-sub-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- DATEI-UPLOAD --- */
.projekt-file-upload {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: rgba(10, 22, 40, 0.3);
}

.projekt-file-upload:hover,
.projekt-file-upload.drag-over {
    border-color: var(--color-primary);
    background: rgba(0, 102, 255, 0.05);
}

.projekt-file-upload-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-md);
    color: var(--color-gray-500);
}

.projekt-file-upload-icon svg {
    width: 40px;
    height: 40px;
}

.projekt-file-upload-text {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--space-xs);
}

.projekt-file-upload-hint {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.projekt-file-list {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.projekt-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 22, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.projekt-file-item-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    overflow: hidden;
}

.projekt-file-item-info svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.projekt-file-item-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.projekt-file-item-size {
    font-size: 0.7rem;
    color: var(--color-gray-600);
    flex-shrink: 0;
}

.projekt-file-remove {
    background: none;
    border: none;
    color: var(--color-gray-600);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.projekt-file-remove:hover {
    color: #ff6b35;
}

.projekt-file-remove svg {
    width: 16px;
    height: 16px;
}

/* --- FORM NAVIGATION --- */
.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.form-nav .btn--secondary {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--color-gray-400);
}

.form-nav .btn--secondary:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
}

.form-nav .btn--primary {
    min-width: 140px;
}

.form-nav-step {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

/* --- SUBMIT SECTION --- */
.submit-section { text-align: center; }

.submit-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.submit-actions .btn {
    min-width: 260px;
}

.submit-actions .btn--primary {
    font-size: var(--text-lg);
    padding: var(--space-lg) var(--space-2xl);
}

.submit-actions .btn--primary svg {
    width: 20px;
    height: 20px;
}

/* --- PRIVACY NOTE --- */
.privacy-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    line-height: 1.5;
    margin-top: var(--space-md);
}

.privacy-note svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 1px;
}

/* --- HONEYPOT --- */
.ohnehonig {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

/* --- SUCCESS PAGE --- */
.success-page {
    display: none;
}

.success-page.visible {
    display: block;
    padding-top: 0;
    animation: projektStepIn 0.5s ease;
}

.success-card {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-2xl) 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-xl);
    color: var(--color-secondary);
}

.success-icon .success-circle {
    stroke-dasharray: 240;
    stroke-dashoffset: 240;
    animation: successCircleDraw 0.6s ease forwards;
}

.success-icon .success-check {
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    animation: successCheckDraw 0.4s ease 0.5s forwards;
}

@keyframes successCircleDraw {
    to { stroke-dashoffset: 0; }
}

@keyframes successCheckDraw {
    to { stroke-dashoffset: 0; }
}

.success-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.success-name {
    font-size: var(--text-lg);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.success-desc {
    font-size: var(--text-base);
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.success-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
}

.success-info-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(19, 32, 57, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.success-info-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.success-info-item a {
    color: var(--color-white);
    font-weight: 500;
}

/* --- LOADING STATE --- */
.btn.is-loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.is-loading .btn-text { display: none; }
.btn.is-loading .btn-loader { display: inline-flex; }

.btn-loader {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .projekt-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .projekt-form .form-row {
        grid-template-columns: 1fr;
    }
    .kontaktweg-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .form-nav { flex-wrap: wrap; justify-content: center; gap: var(--space-sm); }
    .form-nav .btn { flex: 1; min-width: 0; text-align: center; justify-content: center; }
    .form-nav-step { width: 100%; text-align: center; order: -1; }
    .projekt-hero-title { font-size: clamp(var(--text-base), 4vw, var(--text-2xl)); }
}

@media (max-width: 480px) {
    .projekt-container { padding: 0 var(--space-md); }
    .form-card { padding: var(--space-md); }
    .form-card-title { font-size: var(--text-base); }
    .projekt-category-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }
    .projekt-category-card {
        padding: var(--space-md) var(--space-sm);
    }
    .projekt-category-icon {
        width: 40px;
        height: 40px;
    }
    .projekt-category-name {
        font-size: var(--text-sm);
    }
    .projekt-category-desc { display: none; }
    .kontaktweg-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .submit-actions .btn { min-width: 100%; }
    .projekt-form .form-group input,
    .projekt-form .form-group textarea,
    .projekt-form .form-group select { font-size: 16px; }
    .form-nav .btn { font-size: var(--text-sm); padding: var(--space-sm) var(--space-md); }
}

@media (max-width: 360px) {
    .projekt-container { padding: 0 var(--space-sm); }
    .form-card { padding: var(--space-sm); }
    .step-circle { width: 26px; height: 26px; font-size: 0.65rem; }
    .projekt-category-grid {
        grid-template-columns: 1fr;
    }
}