/* ==========================================================================
   Yoga in Hoyel - Public Website Styles
   Mobile-First Responsive Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #2d5a3d;
    --color-primary-light: #3d7a52;
    --color-primary-dark: #1d3a2d;
    --color-secondary: #8b7355;
    --color-accent: #d4a574;

    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;

    --color-bg: #fefefe;
    --color-bg-alt: #f8f6f3;
    --color-bg-card: #ffffff;

    --color-border: #e5e0da;
    --color-border-light: #f0ebe5;

    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 70px;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.3s ease;
}

/* --------------------------------------------------------------------------
   Samarkan Font
   -------------------------------------------------------------------------- */
@font-face {
    font-family: 'Samarkan';
    src: url('../fonts/SamarkanNormal.woff2') format('woff2'),
         url('../fonts/SamarkanNormal.woff') format('woff'),
         url('../fonts/SamarkanNormal.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--color-primary-light);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-3xl); font-weight: 700; }
h2 { font-size: var(--font-size-2xl); font-weight: 600; }
h3 { font-size: var(--font-size-xl); font-weight: 600; }
h4 { font-size: var(--font-size-lg); font-weight: 600; }

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

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

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: 'Samarkan', serif;
    font-size: 1.5rem;
    color: var(--color-primary);
    line-height: 1;
}

.logo:hover .logo-text {
    color: var(--color-primary-dark);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Main Navigation */
.main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.main-nav ul {
    list-style: none;
}

.main-nav li {
    margin-bottom: var(--spacing-sm);
}

.main-nav a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    color: var(--color-text);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: top center;
    background-color: var(--color-primary);
    margin-top: var(--header-height);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.25));
}

.hero-content {
    position: relative;
    text-align: center;
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    max-width: 800px;
}

.hero-content h1 {
    color: white;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-content p {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.main-content {
    flex: 1;
    padding: var(--spacing-2xl) 0;
    margin-top: var(--header-height);
}

.hero.hero-visible + .main-content {
    margin-top: 0;
}

#page-content {
    max-width: 800px;
    margin: 0 auto;
}

#page-content h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

#page-content h2 {
    color: var(--color-primary-dark);
    margin-top: var(--spacing-xl);
}

/* Loading State */
.loading {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    animation: spin 1s linear infinite;
}

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

/* Error State */
.error-message {
    text-align: center;
    padding: var(--spacing-2xl);
    background: #fff5f5;
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    color: var(--color-danger);
}

/* --------------------------------------------------------------------------
   Content Sections
   -------------------------------------------------------------------------- */
.content-section {
    margin-bottom: var(--spacing-2xl);
}

.content-section:last-child {
    margin-bottom: 0;
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border-light);
}

/* --------------------------------------------------------------------------
   Stundenplan (Schedule)
   -------------------------------------------------------------------------- */
.stundenplan-grid {
    display: grid;
    gap: var(--spacing-md);
}

.stunde-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.stunde-card .tag {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.stunde-card .zeit {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.stunde-card .kursart {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.stunde-card .lehrer {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.stunde-card .beschreibung {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    font-style: italic;
    line-height: 1.6;
}

.stunde-card .beschreibung p {
    margin-bottom: var(--spacing-sm);
}

.stunde-card .beschreibung ul {
    margin: var(--spacing-sm) 0;
    padding-left: 1.5em;
}

.stunde-card .beschreibung li {
    margin-bottom: 0.25em;
}

.stunde-card .mehr-lesen {
    display: inline-block;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    text-decoration: none;
}

.stunde-card .mehr-lesen:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Preise (Prices)
   -------------------------------------------------------------------------- */
.preise-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.preis-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    border: 2px solid var(--color-border-light);
    transition: var(--transition);
}

.preis-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.preis-card .bezeichnung {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.preis-card .beschreibung {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.preis-card .preis {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
}

.preis-card .preis small {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--color-text-muted);
}

.preis-card .details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Team
   -------------------------------------------------------------------------- */
.team-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.team-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.team-card .foto {
    width: 100%;
    height: 200px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.team-card .foto img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card .info {
    padding: var(--spacing-lg);
}

.team-card .name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.team-card .rolle {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.team-card .beschreibung {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.team-card .beschreibung p {
    margin-bottom: var(--spacing-sm);
}

.team-card .mehr-lesen {
    display: inline-block;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    text-decoration: none;
}

.team-card .mehr-lesen:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Kontakt (Contact)
   -------------------------------------------------------------------------- */
.kontakt-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.kontakt-info {
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
}

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

.kontakt-info address {
    font-style: normal;
    line-height: 1.8;
}

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

.kontakt-form {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-primary-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-section address {
    font-style: normal;
    line-height: 1.8;
}

.footer-section a {
    color: white;
    opacity: 0.9;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* Tablet */
@media (min-width: 768px) {
    :root {
        --font-size-base: 17px;
    }

    .container {
        padding: 0 var(--spacing-xl);
    }

    /* Header */
    .mobile-menu-toggle {
        display: none;
    }

    .main-nav {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }

    .main-nav ul {
        display: flex;
        gap: var(--spacing-lg);
    }

    .main-nav li {
        margin-bottom: 0;
    }

    .main-nav a {
        padding: var(--spacing-sm) 0;
    }

    /* Hero */
    .hero {
        min-height: 60vh;
    }

    .hero-content h1 {
        font-size: var(--font-size-4xl);
    }

    /* Grids */
    .stundenplan-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .preise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kontakt-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .hero {
        min-height: 70vh;
    }

    .preise-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-card .foto {
        height: 250px;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }