/**
 * Basis-Stile für DEMANDU
 * Enthält grundlegende Styles für das Layout
 */

@import 'variables.css';

/* Grundlegende Reset-Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    color: var(--dark-gray);
    background-color: var(--light-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography - Professionelle Hierarchie */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

h1 {
    font-size: var(--font-size-3xl);
    color: var(--blue-600);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-2xl);
    color: var(--blue-600);
    font-weight: 700;
    letter-spacing: -0.015em;
}

h3 {
    font-size: var(--font-size-xl);
    color: var(--blue-600);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h4 {
    font-size: var(--font-size-lg);
    color: var(--gray-800);
    font-weight: 600;
    letter-spacing: 0;
}

h5 {
    font-size: var(--font-size-md);
    color: var(--gray-700);
    font-weight: 600;
    letter-spacing: 0;
}

h6 {
    font-size: var(--font-size-base);
    color: var(--gray-700);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--demandu-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover:not(.btn-outline-primary, .btn-outline-secondary, .btn-outline-success, .btn-outline-danger), a:focus:not(.btn-outline-primary, .btn-outline-secondary, .btn-outline-success, .btn-outline-danger) {
    color: var(--demandu-blue);

}

a.btn:hover:not(.btn-outline-primary, .btn-outline-secondary, .btn-outline-success, .btn-outline-danger) {
    color: var(--white);
}


/* Layout-Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: var(--z-index-sticky);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.header__logo {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--demandu-blue);
}

.header__logo a {
    color: inherit;
    text-decoration: none;
}

.header__logo img {
    height: 40px;
    width: auto;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    list-style: none;
}

.nav__item {
    margin-left: var(--spacing-lg);
}

.nav__link {
    color: var(--dark-gray);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav__link:hover, 
.nav__link:focus,
.nav__link--active {
    color: var(--demandu-blue);
}

/* Footer */
.footer {
    margin-top: auto;
    padding: var(--spacing-lg) 0;
    background-color: var(--demandu-blue);
    color: var(--white);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer__section {
    margin-bottom: var(--spacing-lg);
    min-width: 200px;
}

.footer__heading {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer__list {
    list-style: none;
}

.footer__item {
    margin-bottom: var(--spacing-sm);
}

.footer__link {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer__link:hover,
.footer__link:focus {
    color: var(--white);
    text-decoration: underline;
}

.footer__copyright {
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Hauptinhalt */
.main {
    padding: var(--spacing-xl) 0;
    flex-grow: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header__inner {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav {
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .nav__list {
        width: 100%;
        flex-direction: column;
    }
    
    .nav__item {
        margin-left: 0;
        margin-bottom: var(--spacing-sm);
    }
    
    .footer__inner {
        flex-direction: column;
    }
}