/* styles.css - Modern Business Design, Mobile-First, DSGVO-Compliant */

/* --- Variables --- */
:root {
    --color-primary: #0056b3; /* Deep Blue - Professional */
    --color-secondary: #28a745; /* Green - Trust/Growth */
    --color-accent: #ffc107; /* Yellow - Highlight */
    --color-text: #333;
    --color-text-light: #666;
    --color-background: #f8f9fa; /* Light Gray */
    --color-white: #fff;
    --color-border: #ddd;
    --font-family-sans: 'Arial', sans-serif;
    --font-family-serif: 'Georgia', serif;
}

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

body {
    font-family: var(--font-family-sans);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

h1, h2, h3 {
    color: var(--color-primary);
    margin-bottom: 15px;
    line-height: 1.2;
}

h1 {
    font-size: 2.2em;
    border-bottom: 3px solid var(--color-secondary);
    padding-bottom: 10px;
}

h2 {
    font-size: 1.8em;
    margin-top: 30px;
}

h3 {
    font-size: 1.4em;
}

p {
    margin-bottom: 15px;
}

ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 15px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* --- Header & Navigation --- */
header {
    background-color: var(--color-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.logo a {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--color-primary);
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo span {
    font-size: 0.6em;
    font-weight: normal;
    color: var(--color-text-light);
}

nav {
    display: none; /* Hidden by default on mobile */
}

nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 10px 20px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

nav ul li a:hover, nav ul li a.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.nav-toggle {
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    color: var(--color-primary);
    display: block; /* Visible on mobile */
}

/* --- Main Content --- */
main {
    flex: 1;
    padding: 20px 0;
}

section {
    padding: 20px 0;
}

/* --- Hero Section (Index Page) --- */
.hero {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
    margin-bottom: 20px;
}

.hero h1 {
    color: var(--color-white);
    border-bottom-color: var(--color-accent);
    font-size: 2.5em;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 5px;
    text-transform: uppercase;
    font-weight: bold;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #1e7e34; /* Darker green */
    color: var(--color-white);
}

.text-center {
    text-align: center;
}

/* --- Cards & Grid Layouts --- */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: var(--color-white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-primary);
}

.card h3 {
    color: var(--color-primary);
    margin-top: 0;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    padding: 10px 0;
    font-size: 0.9em;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumbs span {
    margin: 0 5px;
}

/* --- Forms --- */
form {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1em;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

/* --- Footer --- */
footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 20px 0;
    margin-top: 40px;
}

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

.footer-content p {
    margin-bottom: 10px;
    font-size: 0.9em;
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-nav ul li a {
    color: var(--color-white);
    padding: 5px 15px;
    font-size: 0.9em;
}

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

/* --- Media Queries for Desktop --- */
@media (min-width: 768px) {
    .header-content {
        padding: 20px 0;
    }

    .nav-toggle {
        display: none;
    }

    nav {
        display: block;
        position: static;
        box-shadow: none;
        padding: 0;
    }

    nav ul {
        display: flex;
    }

    nav ul li a {
        border-bottom: none;
        padding: 5px 15px;
    }

    .hero {
        padding: 80px 0;
    }

    .hero h1 {
        font-size: 3em;
    }

    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .footer-content p {
        margin-bottom: 0;
    }
}

/* --- Image Section for Content Pages --- */
.content-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* --- Use Cases Grid (3 columns on desktop) --- */
.use-case-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
}

@media (min-width: 768px) {
    .use-case-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.use-case-item {
    text-align: center;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.use-case-item img {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 50%;
    border: 5px solid var(--color-secondary);
}

.use-case-item h3 {
    color: var(--color-secondary);
}