/* ========================================
   BC-AutoService – Stylesheet
   Klar, professionell, ehrlich
======================================== */

:root {
    /* Farben */
    --color-dark: #0a0a0a;
    --color-gray-900: #171717;
    --color-gray-800: #262626;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #a3a3a3;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;
    
    --color-primary: #dc2626;
    --color-primary-dark: #b91c1c;
    --color-primary-light: #ef4444;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ========================================
   Reset & Base
======================================== */

*, *::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-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

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

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

ul, ol {
    list-style: none;
}

/* ========================================
   Container
======================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Typography
======================================== */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-lg);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
}

/* ========================================
   Buttons
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    border-color: var(--color-dark);
    background-color: var(--color-gray-100);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* ========================================
   Header
======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header-scrolled {
    border-bottom-color: var(--color-gray-200);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: baseline;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-bc {
    color: var(--color-primary);
}

.logo-auto {
    color: var(--color-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-dark);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-dark);
    transition: all var(--transition-base);
}

/* ========================================
   Hero
======================================== */

.hero {
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 50%, var(--color-gray-100) 100%);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    color: var(--color-dark);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 500;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
}

.hero-text {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-badge {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulse 3s ease-in-out infinite;
}

.hero-badge::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 2px dashed var(--color-gray-400);
    animation: rotate 20s linear infinite;
}

.hero-badge-text {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-white);
    text-align: center;
    line-height: 1.3;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========================================
   Services
======================================== */

.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-white);
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    padding: var(--space-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.service-card:hover {
    background-color: var(--color-gray-200);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-text {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ========================================
   Why Section
======================================== */

.why {
    padding: var(--space-4xl) 0;
    background-color: var(--color-dark);
    color: var(--color-white);
}

.why .section-title {
    color: var(--color-white);
    margin-bottom: var(--space-3xl);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.why-card {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-gray-700);
}

.why-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.why-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.why-text {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* ========================================
   Workshop
======================================== */

.workshop {
    padding: var(--space-4xl) 0;
    background-color: var(--color-gray-100);
}

.workshop .container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

.workshop-content {
    max-width: 640px;
}

.workshop-text p {
    margin-bottom: var(--space-lg);
    color: var(--color-gray-700);
    line-height: 1.7;
}

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

.workshop-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.workshop-badge {
    padding: var(--space-xl) var(--space-2xl);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-xl);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 0.05em;
}

/* ========================================
   CTA Section
======================================== */

.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.cta-content {
    max-width: 560px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

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

.cta .btn-primary:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-100);
}

/* ========================================
   Location
======================================== */

.location {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
}

.location-content {
    max-width: 700px;
}

.location-text {
    color: var(--color-gray-700);
    line-height: 1.7;
}

.location-text a {
    color: var(--color-primary);
    font-weight: 500;
}

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

/* ========================================
   Footer
======================================== */

.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-bc {
    color: var(--color-primary);
}

.footer-brand .logo-auto {
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

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

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
        border-bottom: 1px solid var(--color-gray-200);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }
    
    .nav-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle-active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero {
        min-height: auto;
        padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-badge {
        width: 140px;
        height: 140px;
    }
    
    .hero-badge-text {
        font-size: 1rem;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .workshop .container {
        grid-template-columns: 1fr;
    }
    
    .workshop-visual {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

a.service-card {
    display: block;
    text-decoration: none;
    color: inherit;
}