/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-gray-dark: #666666;
    --color-blue: #2B7A9E;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

/* ===========================
   Typography & Base Styles
   =========================== */
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
}

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

a:hover {
    opacity: 0.8;
}

/* ===========================
   Header
   =========================== */
.header {
    background-color: var(--color-white);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    max-width: 300px;
    height: auto;
    display: block;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    background-color: var(--color-white);
    --hero-bg: url('assets/foto-schade1.jpg');
    padding: var(--spacing-xl) 0;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(135deg, rgba(245, 245, 245, 0.85) 0%, rgba(255, 255, 255, 0.9) 100%), var(--hero-bg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
    transition: opacity 2s ease-in-out;
    opacity: 1;
}

.hero.fade-out::before {
    opacity: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
    animation: fadeInUp 0.8s ease;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.5);
}

.hero-slogan {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 122, 158, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-gray-dark);
    color: var(--color-white);
    border-color: var(--color-gray-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ===========================
   Services Section
   =========================== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-blue);
}

.service-icon {
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.service-card p {
    color: var(--color-gray-dark);
    font-size: 1rem;
}

/* ===========================
   Partners Section
   =========================== */
.partners {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
    text-align: center;
}

.partners h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.partners-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
    justify-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.partner-logo {
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    width: 100%;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.partner-logo img {
    max-width: 180px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.partner-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-light) 100%);
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-black);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-info,
.contact-legal {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-info h3,
.contact-legal h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.contact-name {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-md);
}

.contact-details p,
.legal-info p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.contact-details strong,
.legal-info strong {
    color: var(--color-black);
    font-weight: 600;
}

.contact-details a {
    color: var(--color-blue);
    font-weight: 500;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--color-gray-dark);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-slogan {
        font-size: 1.2rem;
    }

    .logo {
        max-width: 200px;
    }

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

    .contact h2 {
        font-size: 2rem;
    }

    .partners h2 {
        font-size: 2rem;
    }

    .partners-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

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

    .hero-slogan {
        font-size: 1rem;
    }

    .contact h2 {
        font-size: 1.5rem;
    }
}