/* Styles for IT-Resource.net Landing Page */

/* Base Styles */
:root {
    --primary-color: #0056b3;
    --secondary-color: #003366;
    --accent-color: #00a0e9;
    --white: #ffffff;
    --light-gray: #f5f8fa;
    --dark-gray: #333333;
    --medium-gray: #666666;
    --border-radius: 4px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

p {
    margin-bottom: 20px;
}

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

a:hover {
    color: var(--accent-color);
}

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo img {
    height: 50px;
}

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

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--dark-gray);
}

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

.language-switcher {
    display: flex;
    align-items: center;
}

.language-switch {
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--medium-gray);
    padding: 5px;
}

.language-switch.active {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 86, 179, 0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 48px;
    color: var(--white);
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* Vorteile Section */
.vorteile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.vorteil-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.vorteil-card:hover {
    transform: translateY(-5px);
}

.vorteil-card .icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.vorteil-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* Anwendungsfelder Section */
.anwendungsfelder {
    background-color: var(--light-gray);
}

.anwendungsfelder-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.anwendungsfelder-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.anwendungsfelder-list {
    list-style: none;
}

.anwendungsfelder-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.anwendungsfelder-list i {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 15px;
    min-width: 25px;
}

/* Vorgehensweise Section */
.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 60px;
    right: 60px;
    height: 2px;
    background-color: var(--primary-color);
    z-index: 0;
}

.process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
    padding: 0 15px;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 30px;
    margin: 0 auto 20px;
}

/* Erfolgsgeschichten Section */
.erfolgsgeschichten {
    background-color: var(--light-gray);
}

.success-slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
}

.success-slide {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.success-slide.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.success-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
}

.slider-prev, .slider-next {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 10px;
}

.slider-dots {
    display: flex;
    margin: 0 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--medium-gray);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
}

/* Kontakt Section */
.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}

.contact-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 50px;
}

.contact-form-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Open Sans', sans-serif;
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input {
    width: auto;
    margin-right: 10px;
    margin-top: 5px;
}

.error-message {
    color: #d9534f;
    font-size: 14px;
    margin-top: 5px;
}

.success-message {
    background-color: #dff0d8;
    color: #3c763d;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info-item {
    display: flex;
    margin-bottom: 30px;
}

.contact-info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 20px;
    min-width: 24px;
}

.contact-info-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-links a {
    color: var(--white);
    margin-left: 20px;
}

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

.footer-copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

/* Responsive Styles */
@media (max-width: 1199px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero h1 {
        font-size: 40px;
    }
}

@media (max-width: 991px) {
    .vorteile-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .anwendungsfelder-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .process-steps {
        flex-wrap: wrap;
    }
    
    .process-step {
        flex: 0 0 50%;
        margin-bottom: 30px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .header-content {
        position: relative;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--box-shadow);
        padding: 20px;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .main-nav li {
        margin: 10px 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .vorteile-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex: 0 0 100%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo {
        margin-bottom: 20px;
    }
    
    .footer-links a {
        margin: 0 10px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form Error Styles */
input.error, textarea.error {
    border-color: #d9534f;
}

/* Language Switcher Active State */
.language-switch.active {
    font-weight: 700;
    text-decoration: underline;
}