/* =========================================================================
   Globale Variablen & Reset
   ========================================================================= */
:root {
    --color-bg: #2b2b2b;
    --color-bg-gradient-start: #383838;
    --color-bg-gradient-end: #1e1e1e;
    --color-text: #ffffff;
    --color-text-muted: #e0e0e0;

    --color-primary: #0D6EFD;
    --color-primary-hover: #0b5ed7;
    --color-primary-active: #0a53be;

    --font-main: 'Open Sans', system-ui, -apple-system, sans-serif;

    --transition-speed: 0.3s;
    --border-radius: 8px;
    --border-radius-pill: 100px;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =========================================================================
   Layout Container
   ========================================================================= */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* =========================================================================
   Komponenten: Buttons
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 1.25rem;
    padding: 1rem 2.5rem;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-pill);
    cursor: pointer;
    transition: all var(--transition-speed) ease-in-out;
    user-select: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.3);
}

.btn-primary:active {
    background-color: var(--color-primary-active);
    transform: translateY(0);
}

/* =========================================================================
   Seiten-spezifisch: Startseite (Hero Section)
   ========================================================================= */
.hero-section {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    background-image: linear-gradient(135deg, var(--color-bg-gradient-start) 0%, var(--color-bg-gradient-end) 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2.5rem;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-header h1 {
    font-size: clamp(2.5rem, 5vw + 1rem, 5.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-header p {
    font-size: clamp(1.125rem, 2vw + 0.5rem, 1.5rem);
    font-weight: 400;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.hero-action {
    margin: 1rem 0;
}

.hero-image-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    outline: none;
    border-radius: 12px;
    /* Angelehnt an das Original: Leichter blauer Schein */
    box-shadow: 0 10px 40px rgba(0, 191, 255, 0.15);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.hero-image:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(0, 191, 255, 0.25);
}

/* =========================================================================
   Responsive Anpassungen
   ========================================================================= */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 1rem;
    }

    .hero-content {
        gap: 2rem;
    }

    .btn {
        width: 100%;
        font-size: 1.125rem;
    }
}

/* =========================================================================
   Seiten-spezifisch: Unterseiten (Über uns, Kontakt, Grid)
   ========================================================================= */
.page-header {
    text-align: center;
    padding: 3rem 1rem 1rem;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw + 1rem, 4rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
    padding: 2rem 0;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.features-grid-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 2rem 0;
}

.feature-card {
    background-color: #eef1f5;
    color: #333;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-speed);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.feature-card-horizontal {
    background-color: #eef1f5;
    color: #333;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: left;
    transition: transform var(--transition-speed);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    gap: 1.5rem;
}

.feature-card-horizontal:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.feature-card-horizontal .card-content-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

@media (max-width: 768px) {
    .feature-card-horizontal {
        flex-direction: column;
        text-align: center;
    }
    .feature-card-horizontal .card-content-right {
        align-items: center;
    }
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #222;
}

.feature-desc {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.feature-btn {
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius-pill);
    transition: all var(--transition-speed);
}

.feature-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.contact-section {
    background-color: #eef1f5;
    color: #333;
    border-radius: var(--border-radius);
    padding: 2.5rem;
    margin: 3rem auto;
    max-width: 800px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.contact-section h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.75rem;
    color: #222;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: #444;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    background-color: #fff;
    color: #333;
    font-family: var(--font-main);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.25);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid #555;
    color: #fff;
}

.btn-secondary:hover {
    background-color: #555;
    border-color: #555;
    color: #fff;
    transform: translateY(-2px);
}

.contact-section .btn-secondary {
    border-color: #888;
    color: #555;
}

.contact-section .btn-secondary:hover {
    background-color: #888;
    border-color: #888;
    color: #fff;
}

/* =========================================================================
   Footer Section
   ========================================================================= */
.site-footer {
    background-color: #1a1a1a;
    padding: 4rem 0 1.5rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.contact-list li {
    margin-bottom: 1rem;
}

.contact-list a {
    color: var(--color-text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: color var(--transition-speed);
}

.contact-list a:hover {
    color: var(--color-primary);
}

.contact-list i {
    color: var(--color-primary);
    width: 20px;
    text-align: center;
}

.person-card {
    background-color: #2b2b2b;
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.person-card h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.person-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    text-align: left;
    flex-grow: 1;
}

.person-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.footer-copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #333;
    color: #777;
    font-size: 0.9rem;
}