/* ============================================
   CSS Variables (Custom Properties)
   ============================================ */
:root {
    /* Colors */
    --color-primary: #1B7A6E;
    --color-primary-dark: #145C53;
    --color-primary-light: #E8F5F2;
    --color-secondary: #FAFBFC;
    --color-text: #2D3436;
    --color-text-secondary: #636E72;
    --color-emergency: #D63031;
    --color-bg: #FFFFFF;
    --color-border: #E0E0E0;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 0.875rem;
    --font-size-large: 1.125rem;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-small: 4px;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-fast: 0.15s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* ============================================
   Font Face Declarations
   ============================================ */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/Inter-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/Inter-Medium.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/Inter-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/Inter-Bold.ttf') format('truetype');
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover,
a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

strong {
    font-weight: 600;
}

address {
    font-style: normal;
}

ul, ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.text-small {
    font-size: var(--font-size-small);
}

/* ============================================
   Layout & Container
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-3xl) 0;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: sticky;
    top: 0;
    background-color: var(--color-bg);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.header__logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-large);
}

.header__logo a:hover {
    text-decoration: none;
    opacity: 0.8;
}

.logo-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.logo-text {
    white-space: nowrap;
}

/* Navigation */
.nav__list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    padding: 0;
    margin: 0;
}

.nav__link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-base);
}

.nav__link:hover,
.nav__link:focus,
.nav__link.active {
    color: var(--color-primary);
    text-decoration: none;
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger__line {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
}

.hamburger.active .hamburger__line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .hamburger__line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    font-size: var(--font-size-base);
}

.btn--primary {
    background-color: var(--color-primary);
    color: white;
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-primary-dark);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-large);
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-small);
}

.btn--cta {
    white-space: nowrap;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-primary-light) 100%);
    padding: var(--spacing-3xl) 0;
}

.hero__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero__subtitle {
    font-size: var(--font-size-large);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero__names {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-large);
}

.hero__name {
    font-weight: 500;
}

.hero__separator {
    color: var(--color-text-secondary);
}

.hero__badge {
    display: inline-block;
    background-color: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-primary);
}

/* ============================================
   Section Styles
   ============================================ */
.section__title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

.section__intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    font-size: var(--font-size-large);
    color: var(--color-text-secondary);
}

.section__intro-box {
    background-color: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Aktuelles Section
   ============================================ */
.aktuelles {
    background-color: var(--color-secondary);
    padding: var(--spacing-xl) 0;
}

.info-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.info-card--highlight {
    border-left: 4px solid var(--color-primary);
}

.info-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.info-card__text {
    margin-bottom: 0;
}

/* ============================================
   Leistungen List (dekorative Liste)
   ============================================ */
.leistungen-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm) var(--spacing-xl);
    max-width: 700px;
    margin: 0 auto;
}

.leistungen-list__item {
    position: relative;
    padding-left: 1.75rem;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.6;
}

.leistungen-list__item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.leistungen-list--nested {
    display: block;
    max-width: none;
    margin: var(--spacing-xs) 0 0 0;
    padding-left: 1.75rem;
    grid-template-columns: none;
}

.leistungen-list--nested .leistungen-list__item {
    font-size: var(--font-size-small);
    padding-left: 1.25rem;
}

.leistungen-list--nested .leistungen-list__item::before {
    width: 0.35rem;
    height: 0.35rem;
    top: 0.55em;
}

/* ============================================
   Selbstzahler Section
   ============================================ */
.selbstzahler {
    background-color: var(--color-secondary);
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.accordion__header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    transition: background-color var(--transition-base);
}

.accordion__header:hover {
    background-color: var(--color-primary-light);
}

.accordion__header[aria-expanded="true"] {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.accordion__title {
    flex: 1;
}

.accordion__icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform var(--transition-base);
    color: var(--color-primary);
}

.accordion__header[aria-expanded="true"] .accordion__icon {
    transform: rotate(45deg);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion__content.active {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.accordion__content p:last-child {
    margin-bottom: 0;
}

/* CTA Box */
.cta-box {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ============================================
   Gemeinschaft Section
   ============================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: var(--spacing-xl) auto 0;
    align-items: start;
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

.team-member {
    text-align: center;
}

.team-member__avatar {
    margin-bottom: var(--spacing-md);
}

.team-member__avatar img {
    width: 100%;
    max-width: 300px;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin: 0 auto;
}

.team-member__name {
    font-size: var(--font-size-h3);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.team-member__title {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.team-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.team-group__caption {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-h3);
    font-weight: 600;
    color: var(--color-primary);
}

.team-group img {
    width: 100%;
    max-width: 350px;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin: 0 auto;
}

/* ============================================
   HZV & ePA Section
   ============================================ */
.hzv-epa {
    background-color: var(--color-secondary);
}

.info-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.info-card__links {
    list-style: none;
    padding: 0;
}

.info-card__links li {
    margin-bottom: var(--spacing-xs);
}

.info-card__links a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-card__links a::before {
    content: '→';
    color: var(--color-primary);
}

/* ============================================
   Notfall Section
   ============================================ */
.notfall {
    background-color: var(--color-bg);
}

.notfall-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.notfall-card {
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.notfall-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.notfall-card--emergency {
    border-color: var(--color-emergency);
    background-color: rgba(214, 48, 49, 0.05);
}

.notfall-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-primary-light);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.notfall-card--emergency .notfall-card__icon {
    background-color: rgba(214, 48, 49, 0.1);
    color: var(--color-emergency);
}

.notfall-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.notfall-card--emergency .notfall-card__title {
    color: var(--color-emergency);
}

.notfall-card__phone {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.notfall-card__phone--large {
    font-size: 3rem;
    color: var(--color-emergency);
}

.notfall-card__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.notfall-card__info {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ============================================
   Kontakt Section
   ============================================ */
.kontakt {
    background-color: var(--color-secondary);
}

.kontakt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kontakt-box {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.kontakt-box__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-h3);
}

.kontakt-box__content p {
    margin-bottom: var(--spacing-sm);
}

.kontakt-box__content a {
    word-break: break-all;
}

.oeffnungszeiten {
    width: 100%;
    border-collapse: collapse;
}

.oeffnungszeiten tr {
    border-bottom: 1px solid var(--color-border);
}

.oeffnungszeiten tr:last-child {
    border-bottom: none;
}

.oeffnungszeiten td {
    padding: var(--spacing-xs) 0;
}

.oeffnungszeiten td:first-child {
    font-weight: 500;
    padding-right: var(--spacing-md);
}

.oeffnungszeiten td:last-child {
    font-variant-numeric: tabular-nums;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-lg) 0;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__info p {
    margin: 0;
    font-size: var(--font-size-small);
}

.footer__nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer__nav a {
    color: white;
    font-size: var(--font-size-small);
    transition: opacity var(--transition-base);
}

.footer__nav a:hover,
.footer__nav a:focus {
    opacity: 0.8;
    text-decoration: none;
}

.footer__separator {
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet (768px) */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 2rem;
        --font-size-h2: 1.75rem;
        --font-size-h3: 1.25rem;
        --spacing-3xl: 4rem;
    }
    
    .header__content {
        flex-wrap: wrap;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav__link {
        display: block;
        padding: var(--spacing-sm);
    }
    
    .hamburger {
        display: flex;
    }
    
    .btn--cta {
        order: -1;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__names {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .hero__separator {
        display: none;
    }
    
    .leistungen-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .info-cards-grid,
    .notfall-grid,
    .kontakt-grid {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile (480px) */
@media (max-width: 480px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .header__logo .logo-text {
        font-size: 0.9rem;
    }
    
    .btn--large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .leistungen-list {
        padding: 0 var(--spacing-sm);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .notfall-card__phone--large {
        font-size: 2.5rem;
    }
}

/* ============================================
   Animations & Utilities
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .btn {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
}