/* Empfängnis Rechner Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header Styles */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
}

.header__logo-link {
    text-decoration: none;
    color: #ec4899;
}

.header__logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.header__nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.header__nav-link {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.2s;
}

.header__nav-link:hover {
    color: #ec4899;
}

/* Main Content */
.main {
    padding: 2rem 0;
}

.calculator {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
}

.calculator__header {
    padding: 2rem;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: white;
    text-align: center;
}

.calculator__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.calculator__description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Styles */
.calculator__form {
    padding: 2rem;
}

.form__section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.form__section:last-child {
    border-bottom: none;
}

.form__section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ec4899;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #fce7f3;
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.form__input,
.form__select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form__input:focus,
.form__select:focus {
    outline: none;
    border-color: #ec4899;
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

.form__help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.form__checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form__checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form__checkbox {
    margin-right: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
}

.form__checkbox-text {
    font-size: 0.95rem;
}

.form__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 44px;
    min-width: 120px;
}

.btn--primary {
    background-color: #ec4899;
    color: white;
}

.btn--primary:hover {
    background-color: #db2777;
    transform: translateY(-1px);
}

.btn--secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 2px solid #d1d5db;
}

.btn--secondary:hover {
    background-color: #e5e7eb;
}

/* Results Styles */
.calculator__results {
    padding: 2rem;
    background-color: #fdf2f8;
    border-top: 1px solid #e5e7eb;
}

.results__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #831843;
}

.results__grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.results__card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid #ec4899;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.results__card--highlight {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border-left-color: #db2777;
}

.results__card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #831843;
}

.results__card-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ec4899;
    margin-bottom: 0.25rem;
}

.results__card-subtitle {
    font-size: 0.9rem;
    color: #6b7280;
}

.results__timeline {
    background-color: white;
    padding: 1.5rem;
    border-radius: 6px;
    margin-top: 1rem;
    border: 2px solid #fce7f3;
}

.results__timeline-title {
    font-weight: 700;
    color: #831843;
    margin-bottom: 1rem;
}

.timeline__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.timeline__item:last-child {
    border-bottom: none;
}

.timeline__label {
    font-weight: 500;
    color: #374151;
}

.timeline__value {
    font-weight: 600;
    color: #ec4899;
}

.results__accuracy {
    background-color: #f0f9ff;
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    border-left: 4px solid #0ea5e9;
}

.results__accuracy-title {
    font-weight: 600;
    color: #0c4a6e;
    margin-bottom: 0.5rem;
}

.results__accuracy-text {
    font-size: 0.9rem;
    color: #0369a1;
}

/* Info Sections */
.calculator__info,
.calculator__related,
.calculator__faq {
    padding: 2rem;
    border-top: 1px solid #e5e7eb;
}

.calculator__info h2,
.calculator__related h2,
.calculator__faq h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.info__steps {
    display: grid;
    gap: 1.5rem;
}

.info__step h3 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ec4899;
}

/* Related Calculators - Balanced Grid Layout */
.related__grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.related__card {
    display: block;
    padding: 1.5rem;
    background-color: #f9fafb;
    border-radius: 6px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.related__card:hover {
    background-color: #f3f4f6;
    border-color: #ec4899;
    transform: translateY(-2px);
}

.related__card h3 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.related__card p {
    font-size: 0.9rem;
    color: #6b7280;
}

/* FAQ Styles */
.faq__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq__item {
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
}

.faq__question {
    padding: 1rem;
    background-color: #f9fafb;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    transition: background-color 0.2s;
}

.faq__question:hover {
    background-color: #f3f4f6;
}

.faq__question::marker {
    display: none;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__answer {
    padding: 1rem;
    background-color: white;
}

/* Disclaimer */
.calculator__disclaimer {
    padding: 2rem;
    background-color: #fef3c7;
    border-top: 1px solid #e5e7eb;
}

.calculator__disclaimer h3 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #92400e;
}

.calculator__disclaimer p {
    font-size: 0.9rem;
    color: #78350f;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    margin-top: 3rem;
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 1rem;
}

.footer__content {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__section h3,
.footer__section h4 {
    margin-bottom: 1rem;
}

.footer__section a {
    color: #93c5fd;
    text-decoration: none;
}

.footer__section a:hover {
    text-decoration: underline;
}

.footer__bottom {
    padding-top: 1rem;
    border-top: 1px solid #374151;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header__container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .header__nav-list {
        gap: 1rem;
    }
    
    .calculator__header {
        padding: 1.5rem 1rem;
    }
    
    .calculator__title {
        font-size: 1.5rem;
    }
    
    .calculator__form,
    .calculator__info,
    .calculator__related,
    .calculator__faq,
    .calculator__results {
        padding: 1.5rem 1rem;
    }
    
    .form__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .related__grid {
        grid-template-columns: 1fr;
    }
    
    .timeline__item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (min-width: 769px) {
    .footer__content {
        grid-template-columns: 2fr 1fr;
    }
    
    .results__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.form__input:focus,
.form__select:focus,
.form__checkbox:focus,
.header__nav-link:focus,
.related__card:focus,
.faq__question:focus {
    outline: 2px solid #ec4899;
    outline-offset: 2px;
}