/* ===================================
   Rademacher Metallbau - Stylesheet
   Modernes, professionelles Design
   =================================== */

/* CSS Variables */
:root {
    --primary-dark: #1a1a2e;
    --primary-medium: #16213e;
    --accent-blue: #0f3460;
    --accent-steel: #4a5568;
    --accent-orange: #e94560;
    --text-light: #f5f5f5;
    --text-gray: #a0aec0;
    --white: #ffffff;
    --gradient-metal: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    --gradient-steel: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: var(--gradient-metal);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--accent-orange);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--accent-orange);
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-orange);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: var(--gradient-metal);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text h1 span {
    color: var(--accent-orange);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image-placeholder {
    width: 100%;
    height: 450px;
    background: var(--gradient-steel);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.hero-image-placeholder svg {
    width: 150px;
    height: 150px;
    opacity: 0.3;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #d63d55;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--text-gray);
    color: var(--text-light);
}

.btn-secondary:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

/* Sections */
section {
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-header h2 span {
    color: var(--accent-orange);
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--primary-medium);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image-placeholder {
    height: 400px;
    background: var(--gradient-steel);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
}

/* Services Section */
.services {
    background: var(--primary-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--gradient-steel);
    border-radius: 16px;
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-orange);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Gallery Section */
.gallery {
    background: var(--primary-medium);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    background: var(--gradient-steel);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
}

.gallery-placeholder svg {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.gallery-overlay p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    background: var(--primary-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
    color: var(--text-gray);
}

.contact-item a:hover {
    color: var(--accent-orange);
}

.opening-hours {
    background: var(--gradient-steel);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.opening-hours h4 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.opening-hours p {
    color: var(--text-gray);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gradient-steel);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-orange);
    background: rgba(0, 0, 0, 0.3);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    width: 100%;
    margin-top: 10px;
}

/* Map */
.map-wrapper {
    margin-top: 60px;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(92%) contrast(83%);
}

/* Page Header */
.page-header {
    background: var(--gradient-metal);
    padding: 150px 5% 80px;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    position: relative;
}

.page-header p {
    color: var(--text-gray);
    font-size: 1.2rem;
    position: relative;
}

/* Services Page */
.services-detail {
    background: var(--primary-dark);
}

.service-detail-card {
    background: var(--gradient-steel);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

.service-detail-card:last-child {
    margin-bottom: 0;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0;
}

.service-detail-card:nth-child(even) .service-detail-content {
    direction: rtl;
}

.service-detail-card:nth-child(even) .service-detail-content > * {
    direction: ltr;
}

.service-detail-image {
    height: 100%;
    min-height: 300px;
    background: var(--primary-medium);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-detail-image svg {
    width: 80px;
    height: 80px;
    opacity: 0.3;
}

.service-detail-text {
    padding: 40px;
}

.service-detail-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-detail-text h3 .service-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    margin-bottom: 0;
}

.service-detail-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-detail-text ul {
    list-style: none;
}

.service-detail-text ul li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-gray);
}

.service-detail-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: bold;
}

/* Gallery Page */
.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
}

.gallery-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-page-item {
    height: 320px;
}

/* Legal Pages */
.legal-content {
    background: var(--primary-medium);
    padding: 80px 5%;
}

.legal-content .container {
    max-width: 900px;
}

.legal-content h2 {
    font-size: 1.6rem;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--accent-orange);
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    font-size: 1.2rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.legal-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.legal-content ul li {
    color: var(--text-gray);
    margin-bottom: 10px;
    list-style: disc;
}

.legal-content a {
    color: var(--accent-orange);
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: var(--gradient-metal);
    padding: 60px 5% 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-gray);
    line-height: 1.7;
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--text-gray);
}

.footer-column ul li a:hover {
    color: var(--accent-orange);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-gray);
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: var(--text-gray);
}

.footer-legal a:hover {
    color: var(--accent-orange);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image-placeholder {
        height: 300px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .service-detail-content {
        grid-template-columns: 1fr;
    }

    .service-detail-card:nth-child(even) .service-detail-content {
        direction: ltr;
    }

    .service-detail-image {
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

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

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

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

    .gallery-grid,
    .gallery-page-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    section {
        padding: 60px 5%;
    }

    .service-detail-text {
        padding: 25px;
    }

    .service-detail-text h3 {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Form Success/Error States */
.form-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.form-message.success {
    background: rgba(72, 187, 120, 0.1);
    border: 1px solid rgba(72, 187, 120, 0.3);
    color: #48bb78;
    display: block;
}

.form-message.error {
    background: rgba(245, 101, 101, 0.1);
    border: 1px solid rgba(245, 101, 101, 0.3);
    color: #f56565;
    display: block;
}

/* Privacy Checkbox */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    accent-color: var(--accent-orange);
}

.checkbox-group label {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 0;
}

.checkbox-group label a {
    color: var(--accent-orange);
}