/* ==========================================================================
   Car Agent Dufter - Corporate CSS
   Bold automotive design in Black/Red/White
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Custom Brand Font - Broshk */
@font-face {
    font-family: 'Broshk';
    src: url('../fonts/Broshk-n6mR.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables for Car Agent Dufter Corporate Identity */
:root {
    /* Primary Colors - Car Agent Dufter */
    --primary-black: #1a1a1a;
    --primary-red: #ff0000;
    --primary-white: #ffffff;
    
    /* Secondary Colors */
    --dark-gray: #2d2d2d;
    --medium-gray: #4a4a4a;
    --light-gray: #f5f5f5;
    --off-white: #fafafa;
    
    /* Accent Colors */
    --red-dark: #cc0000;
    --red-light: #ff3333;
    --success: #00ff00;
    --warning: #ffa500;
    --error: #ff0000;
    --info: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
    --gradient-red: linear-gradient(135deg, var(--primary-red) 0%, var(--red-dark) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(45,45,45,0.8) 100%);
    
    /* Typography */
    --font-headline: 'Broshk', 'Oswald', sans-serif; /* For H1, H2, H3, H4 only */
    --font-brand: 'Oswald', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.5);
    --shadow-red: 0 0 20px rgba(255, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--primary-white);
    background: var(--primary-black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

header {
    background: var(--gradient-primary);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border-bottom: 2px solid var(--primary-red);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-white);
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-red);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-red);
}

.logo-text {
    font-family: var(--font-brand);
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: -5px;
}

/* Navigation Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--primary-white);
    text-decoration: none;
    font-family: var(--font-brand);
    font-weight: var(--font-weight-medium);
    font-size: 1.1rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    display: inline-block;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-red);
    transform: translateY(-2px);
}

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

.mobile-menu-btn span {
    width: 28px;
    height: 3px;
    background: var(--primary-white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.mobile-menu-btn:hover span {
    background: var(--primary-red);
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

main {
    margin-top: 84px; /* Header height */
    min-height: calc(100vh - 84px);
}

/* Page Loader */
.page-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--primary-white);
}

.page-loader.hidden {
    display: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--dark-gray);
    border-top: 4px solid var(--primary-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   DIAMOND SHAPES (Car Agent Dufter Signature)
   ========================================================================== */

.diamond-shape {
    width: 120px;
    height: 120px;
    background: var(--gradient-red);
    transform: rotate(45deg);
    position: relative;
    overflow: hidden;
    border: 3px solid var(--primary-red);
    box-shadow: var(--shadow-red);
}

.diamond-content {
    transform: rotate(-45deg);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.diamond-large {
    width: 150px;
    height: 150px;
}

.diamond-small {
    width: 80px;
    height: 80px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-brand);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--gradient-red);
    color: var(--primary-white);
    border: 2px solid var(--primary-red);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-red);
    background: var(--red-light);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-white);
    border: 2px solid var(--primary-white);
}

.btn-secondary:hover {
    background: var(--primary-white);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
    border-color: var(--medium-gray);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    background: var(--dark-gray);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--medium-gray);
    transition: var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-red);
}

.card-red {
    background: var(--gradient-red);
    border-color: var(--red-dark);
}

.card-red:hover {
    box-shadow: var(--shadow-2xl), var(--shadow-red);
}

/* ==========================================================================
   STATUS MESSAGES
   ========================================================================== */

.status-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
    font-weight: var(--font-weight-medium);
    border-left: 4px solid;
}

.status-success {
    background: rgba(0, 255, 0, 0.1);
    color: var(--success);
    border-left-color: var(--success);
}

.status-error {
    background: rgba(255, 0, 0, 0.1);
    color: var(--primary-red);
    border-left-color: var(--primary-red);
}

.status-info {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
    border-left-color: var(--primary-white);
}

/* ==========================================================================
   AI INPUT COMPONENTS
   ========================================================================== */

.ai-input-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.ai-input {
    width: 100%;
    padding: 1rem 4rem 1rem 1.5rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition-normal);
    background: var(--dark-gray);
    color: var(--primary-white);
    box-shadow: var(--shadow-md);
}

.ai-input:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(255, 0, 0, 0.2);
    background: var(--primary-black);
}

.ai-input::placeholder {
    color: var(--light-gray);
}

.ai-send-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-red);
    color: var(--primary-white);
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.ai-send-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-red);
}

.ai-send-btn:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: translateY(-50%);
}

/* ==========================================================================
   FORM ELEMENTS
   ========================================================================== */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-family: var(--font-brand);
    font-weight: var(--font-weight-medium);
    color: var(--primary-white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group select,
.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition-normal);
    background: var(--dark-gray);
    color: var(--primary-white);
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.2);
    background: var(--primary-black);
}

.form-group select option {
    background: var(--dark-gray);
    color: var(--primary-white);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ==========================================================================
   LOADING ANIMATION
   ========================================================================== */

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 0, 0, 0.3);
    border-top: 3px solid var(--primary-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--gradient-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        border-top: 2px solid var(--primary-red);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .diamond-shape {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-red { color: var(--primary-red); }
.text-white { color: var(--primary-white); }
.text-gray { color: var(--light-gray); }

.bg-black { background-color: var(--primary-black); }
.bg-red { background-color: var(--primary-red); }
.bg-dark { background-color: var(--dark-gray); }

.hidden { display: none !important; }
.visible { display: block !important; }

.uppercase { text-transform: uppercase; }
.bold { font-weight: var(--font-weight-bold); }
.brand-font { font-family: var(--font-brand); }

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    background: var(--primary-black);
    color: var(--primary-white);
    border-top: 3px solid var(--primary-red);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

.footer-section h4 {
    font-family: var(--font-brand);
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-red);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section p {
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--light-gray);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--light-gray);
}

.footer-section ul li a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition-normal);
}

.footer-section ul li a:hover {
    color: var(--primary-red);
}

.footer-social {
    margin-top: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.social-links a {
    color: var(--light-gray);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-red);
    color: var(--primary-white);
    border-color: var(--primary-red);
}

.footer-bottom {
    border-top: 1px solid var(--medium-gray);
    padding: var(--spacing-lg) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-bottom p {
    margin: 0;
    color: var(--light-gray);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition-normal);
}

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

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-red { color: var(--primary-red); }
.text-white { color: var(--primary-white); }
.text-gray { color: var(--light-gray); }

.bg-black { background-color: var(--primary-black); }
.bg-red { background-color: var(--primary-red); }
.bg-dark { background-color: var(--dark-gray); }

.hidden { display: none !important; }
.visible { display: block !important; }

.uppercase { text-transform: uppercase; }
.bold { font-weight: var(--font-weight-bold); }
.brand-font { font-family: var(--font-brand); }


/* ==========================================================================
   FLASH MESSAGES (Flask)
   ========================================================================== */

.flash-messages {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1050;
    max-width: 400px;
}

.flash-message {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    animation: slideInFlash 0.3s ease-out;
    font-family: var(--font-body);
    font-weight: var(--font-weight-medium);
}

.flash-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: var(--primary-white);
    border-left: 4px solid #155724;
}

.flash-error {
    background: linear-gradient(135deg, #dc3545, #e74c3c);
    color: var(--primary-white);
    border-left: 4px solid #721c24;
}

.flash-info {
    background: linear-gradient(135deg, #17a2b8, #20c997);
    color: var(--primary-white);
    border-left: 4px solid #0c5460;
}

.flash-warning {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
    color: var(--primary-black);
    border-left: 4px solid #856404;
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-md);
    transition: var(--transition-fast);
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

@keyframes slideInFlash {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Mobile Anpassungen für Flash Messages */
@media (max-width: 768px) {
    .flash-messages {
        top: 70px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .flash-message {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
}

/* ==========================================================================
   PAGE HEADERS WITH BACKGROUND IMAGES
   ========================================================================== */

.page-header-with-image {
    position: relative;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    overflow: hidden;
}

.page-header-with-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.6));
    z-index: 0;
}

.page-header-with-image .container {
    position: relative;
    z-index: 1;
}

/* Gallery Header with Image Slider */
.page-header-gallery {
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.gallery-header-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.header-image-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    filter: brightness(0.9) contrast(1.1);
    animation: fadeSlide 15s ease-in-out infinite;
}

.header-image-slide:nth-child(1) {
    animation-delay: 0s;
}

.header-image-slide:nth-child(2) {
    animation-delay: 5s;
}

.header-image-slide:nth-child(3) {
    animation-delay: 10s;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(45, 45, 45, 0.6) 100%);
    z-index: 1;
}

.page-header-gallery .container {
    position: relative;
    z-index: 2;
}

@keyframes fadeSlide {
    0% {
        opacity: 0;
        transform: scale(1);
    }
    6.67% {
        opacity: 0.5;
        transform: scale(1.02);
    }
    26.67% {
        opacity: 0.5;
        transform: scale(1.02);
    }
    33.33% {
        opacity: 0;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1);
    }
}