/* Custom CSS for TogetherNow gGmbH */
:root {
    --primary: #0ca6e9;
    --primary-dark: #0077b6;
    --secondary: #00b4d8;
    --accent: #90e0ef;
    --dark: #03045e;
    --light: #f8f9fa;
    --text-primary: #333333;
    --text-secondary: #666666;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

html {
    scroll-behavior: smooth;
}

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

ul {
    list-style: none;
}

/* Typography styles */
h1, h2, h3, h4 {
    color: var(--dark);
    font-weight: 800;
    line-height: 1.2;
}

.section-padding {
    padding: 100px 5%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.bg-light {
    background-color: var(--light);
}

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

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.underline {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 30px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px 0 rgba(31, 38, 135, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(12, 166, 233, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(12, 166, 233, 0.6);
    transform: translateY(-2px);
    color: var(--white);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 5%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .logo, .navbar.scrolled .nav-links a, .navbar.scrolled .hamburger {
    color: var(--dark);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.navbar.scrolled .lang-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
}

.lang-btn:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: scale(1.05);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    padding: 80px 40px;
}

.mobile-menu.active {
    right: 0;
}

.close-menu {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 1.8rem;
    color: var(--dark);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mobile-nav-links a {
    color: var(--dark);
    font-size: 1.2rem;
    font-weight: 600;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(3, 4, 94, 0.85), rgba(0, 119, 182, 0.8)), url('https://images.unsplash.com/photo-1517486808906-6ca8b3f04846?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--white), transparent);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.icon-accent {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Erasmus Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border-bottom: 4px solid var(--primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
}

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

.service-card p {
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--dark), #023e8a);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 10%, transparent 50%);
    pointer-events: none;
}

.contact .section-title h2 {
    color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact .glass-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.contact .glass-card h3 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 15px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 1.1rem;
}

.info-list i {
    color: var(--accent);
    font-size: 1.3rem;
    margin-top: 4px;
}

.info-list a {
    color: var(--white);
    transition: color 0.3s;
}

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

/* Footer */
footer {
    background: #011627;
    color: var(--white);
    padding: 40px 5%;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.nav-logo-img {
    height: 72px;
    width: auto;
    background-color: var(--white);
    padding: 4px 8px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.footer-logo-img {
    height: 100px;
    width: auto;
    background-color: var(--white);
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.appear {
    opacity: 1;
    transform: translate(0);
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-padding {
        padding: 60px 5%;
    }
}