/* Common Styles for Task Copilot Website */

:root {
    --primary-color: #0d9488;
    --secondary-color: #0f766e;
    --accent-color: #14b8a6;
    --text-dark: #111827;
    --text-light: #6b7280;
    --bg-light: #f0fdfa;
    --white: #ffffff;
    --border-color: #99f6e4;
    --logo-taskcopilot: #374151;
    --logo-einkauf: #0d9488;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Navigation */
nav {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 8px;
}

.logo-taskcopilot, .logo-task {
    color: var(--logo-taskcopilot);
}

.logo-divider {
    color: var(--text-light);
    margin: 0 0.25rem;
}

.logo-einkauf, .logo-copilot {
    color: var(--logo-einkauf);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white) !important;
    box-shadow: 0 4px 15px rgba(55, 65, 81, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(55, 65, 81, 0.4);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

a:hover {
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-title p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Back Link */
.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white !important;
    border-radius: 10px;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.back-link:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav .container {
        padding: 0.75rem 1rem;
    }

    .nav-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.75rem;
        font-size: 0.9rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 40px 0;
    }
}