/* =====================================================
   Trans NRW - Main Stylesheet
   Design: Sanftes Gruen (Sage Green)
   Erstellt: 2026-01-15 | Phase 4
   ===================================================== */

/* -----------------------------------------------------
   CSS Variables
   ----------------------------------------------------- */
:root {
    /* Farben */
    --tnrw-primary: #4A9B7F;
    --tnrw-secondary: #7BC4A8;
    --tnrw-accent: #F5C77E;
    --tnrw-bg: #F9FBF9;
    --tnrw-text: #2C3E36;
    --tnrw-gray: #5C6B64;
    --tnrw-light-gray: #E5EDE8;
    --tnrw-white: #FFFFFF;

    /* Typografie */
    --tnrw-font-heading: 'DM Sans', sans-serif;
    --tnrw-font-body: 'Karla', sans-serif;
    --tnrw-font-size-base: 17px;
    --tnrw-line-height: 1.7;

    /* Spacing */
    --tnrw-container-max: 1200px;
    --tnrw-section-padding: 5rem;
    --tnrw-card-padding: 2.5rem;

    /* Borders */
    --tnrw-radius-sm: 10px;
    --tnrw-radius-md: 16px;
    --tnrw-radius-lg: 20px;
    --tnrw-radius-pill: 50px;

    /* Shadows */
    --tnrw-shadow-sm: 0 4px 12px rgba(74, 155, 127, 0.08);
    --tnrw-shadow-md: 0 8px 25px rgba(74, 155, 127, 0.12);
    --tnrw-shadow-lg: 0 12px 40px rgba(74, 155, 127, 0.15);
    --tnrw-shadow-xl: 0 20px 60px rgba(74, 155, 127, 0.2);

    /* Transitions */
    --tnrw-transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--tnrw-font-body);
    font-size: var(--tnrw-font-size-base);
    line-height: var(--tnrw-line-height);
    color: var(--tnrw-text);
    background-color: var(--tnrw-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* -----------------------------------------------------
   Typography
   ----------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--tnrw-font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--tnrw-text);
}

h1 {
    font-size: 2.75rem;
    font-weight: 700;
}

h2 {
    font-size: 2.1rem;
}

h3 {
    font-size: 1.6rem;
}

h4 {
    font-size: 1.35rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

.tnrw-text-primary { color: var(--tnrw-primary); }
.tnrw-text-secondary { color: var(--tnrw-secondary); }
.tnrw-text-accent { color: var(--tnrw-accent); }
.tnrw-text-gray { color: var(--tnrw-gray); }

/* -----------------------------------------------------
   Layout & Container
   ----------------------------------------------------- */
.tnrw-container {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.tnrw-section {
    padding: var(--tnrw-section-padding) 2rem;
}

.tnrw-section-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
}

.tnrw-section--white {
    background: var(--tnrw-white);
}

.tnrw-section--primary {
    background: var(--tnrw-primary);
    color: var(--tnrw-white);
}

/* -----------------------------------------------------
   Header
   ----------------------------------------------------- */
.tnrw-header {
    background: var(--tnrw-white);
    border-bottom: 1px solid var(--tnrw-light-gray);
    position: sticky;
    top: 0;
    z-index: 100;
}

.tnrw-header-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tnrw-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.tnrw-logo-img {
    width: 44px;
    height: 44px;
    border-radius: var(--tnrw-radius-sm);
    object-fit: contain;
}

.tnrw-logo-text {
    font-family: var(--tnrw-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tnrw-primary);
}

/* Desktop Navigation */
.tnrw-nav {
    display: flex;
    gap: 2.5rem;
}

.tnrw-nav a {
    font-family: var(--tnrw-font-heading);
    font-weight: 500;
    color: var(--tnrw-text);
    text-decoration: none;
    position: relative;
    transition: color var(--tnrw-transition);
}

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

.tnrw-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tnrw-primary);
    transition: width var(--tnrw-transition);
}

.tnrw-nav a:hover::after,
.tnrw-nav a.active::after {
    width: 100%;
}

/* Mobile Navigation Toggle */
.tnrw-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.tnrw-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--tnrw-text);
    transition: all var(--tnrw-transition);
}

.tnrw-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.tnrw-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.tnrw-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation Menu */
.tnrw-nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tnrw-white);
    border-bottom: 1px solid var(--tnrw-light-gray);
    padding: 1rem 2rem;
    box-shadow: var(--tnrw-shadow-md);
}

.tnrw-nav-mobile.active {
    display: block;
}

.tnrw-nav-mobile a {
    display: block;
    padding: 0.75rem 0;
    font-family: var(--tnrw-font-heading);
    font-weight: 500;
    color: var(--tnrw-text);
    border-bottom: 1px solid var(--tnrw-light-gray);
}

.tnrw-nav-mobile a:last-child {
    border-bottom: none;
}

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

/* -----------------------------------------------------
   Hero Section
   ----------------------------------------------------- */
.tnrw-hero {
    background: var(--tnrw-white);
    padding: 4rem 2rem 6rem;
    position: relative;
    overflow: hidden;
}

.tnrw-hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--tnrw-bg);
    clip-path: ellipse(70% 100% at 50% 100%);
}

.tnrw-hero-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tnrw-hero h1 {
    margin-bottom: 1.25rem;
}

.tnrw-hero h1 span {
    color: var(--tnrw-primary);
}

.tnrw-hero p {
    font-size: 1.1rem;
    color: var(--tnrw-gray);
    margin-bottom: 2rem;
}

.tnrw-hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tnrw-hero-image {
    position: relative;
    border-radius: var(--tnrw-radius-lg);
    overflow: hidden;
    box-shadow: var(--tnrw-shadow-xl);
}

.tnrw-hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.tnrw-hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--tnrw-accent);
    border-radius: 50%;
    opacity: 0.6;
    z-index: 1;
}

/* Hero Variant: Content Page */
.tnrw-hero--small {
    padding: 3rem 2rem 4rem;
}

.tnrw-hero--small::before {
    height: 60px;
}

.tnrw-hero--small .tnrw-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
}

.tnrw-hero--small h1 {
    font-size: 2.2rem;
}

/* -----------------------------------------------------
   Breadcrumb
   ----------------------------------------------------- */
.tnrw-breadcrumb {
    padding: 1rem 2rem;
    background: var(--tnrw-white);
}

.tnrw-breadcrumb-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--tnrw-gray);
}

.tnrw-breadcrumb a {
    color: var(--tnrw-gray);
}

.tnrw-breadcrumb a:hover {
    color: var(--tnrw-primary);
}

.tnrw-breadcrumb-separator {
    color: var(--tnrw-light-gray);
}

/* -----------------------------------------------------
   Section Headers
   ----------------------------------------------------- */
.tnrw-section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.tnrw-section-title {
    font-family: var(--tnrw-font-heading);
    font-size: 2.1rem;
    font-weight: 600;
    color: var(--tnrw-text);
    margin-bottom: 0.75rem;
}

.tnrw-section-subtitle {
    color: var(--tnrw-gray);
    font-size: 1.05rem;
}

/* -----------------------------------------------------
   Buttons
   ----------------------------------------------------- */
.tnrw-btn {
    display: inline-block;
    background: var(--tnrw-primary);
    color: var(--tnrw-white);
    padding: 1rem 2rem;
    border-radius: var(--tnrw-radius-pill);
    font-family: var(--tnrw-font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--tnrw-transition);
}

.tnrw-btn:hover {
    background: var(--tnrw-secondary);
    color: var(--tnrw-white);
    transform: translateY(-2px);
    box-shadow: var(--tnrw-shadow-md);
}

.tnrw-btn--outline {
    background: transparent;
    border: 2px solid var(--tnrw-primary);
    color: var(--tnrw-primary);
}

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

.tnrw-btn--accent {
    background: var(--tnrw-accent);
    color: var(--tnrw-text);
}

.tnrw-btn--accent:hover {
    background: #f0b85a;
}

.tnrw-btn--small {
    padding: 0.6rem 1.25rem;
    font-size: 0.875rem;
}

.tnrw-btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* -----------------------------------------------------
   Cards
   ----------------------------------------------------- */
.tnrw-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.tnrw-card {
    background: var(--tnrw-white);
    border-radius: var(--tnrw-radius-lg);
    padding: var(--tnrw-card-padding);
    box-shadow: var(--tnrw-shadow-sm);
    transition: all var(--tnrw-transition);
    border: 1px solid var(--tnrw-light-gray);
}

.tnrw-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--tnrw-shadow-lg);
    border-color: var(--tnrw-secondary);
}

.tnrw-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--tnrw-bg) 0%, var(--tnrw-light-gray) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.tnrw-card h3 {
    font-family: var(--tnrw-font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.tnrw-card p {
    color: var(--tnrw-gray);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.tnrw-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--tnrw-primary);
    font-weight: 600;
    font-family: var(--tnrw-font-heading);
    transition: gap var(--tnrw-transition);
}

.tnrw-card-link:hover {
    gap: 0.75rem;
    color: var(--tnrw-primary);
}

/* Card Variants */
.tnrw-card--horizontal {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
}

.tnrw-card--horizontal .tnrw-card-icon {
    margin-bottom: 0;
}

.tnrw-card--highlight {
    border: 2px solid var(--tnrw-primary);
    background: linear-gradient(135deg, var(--tnrw-white) 0%, rgba(74, 155, 127, 0.05) 100%);
}

/* -----------------------------------------------------
   Stats Section
   ----------------------------------------------------- */
.tnrw-stats {
    background: var(--tnrw-primary);
    padding: 4rem 2rem;
    color: var(--tnrw-white);
}

.tnrw-stats-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.tnrw-stat-item {
    padding: 1rem;
}

.tnrw-stat-number {
    font-family: var(--tnrw-font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tnrw-stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* -----------------------------------------------------
   Content Blocks
   ----------------------------------------------------- */
.tnrw-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.tnrw-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.tnrw-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.tnrw-content p {
    margin-bottom: 1.25rem;
}

.tnrw-content ul,
.tnrw-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.tnrw-content li {
    margin-bottom: 0.5rem;
}

.tnrw-content blockquote {
    border-left: 4px solid var(--tnrw-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--tnrw-white);
    border-radius: 0 var(--tnrw-radius-sm) var(--tnrw-radius-sm) 0;
    color: var(--tnrw-gray);
    font-style: italic;
}

/* -----------------------------------------------------
   Directory / Listing
   ----------------------------------------------------- */
.tnrw-listing {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tnrw-listing-item {
    background: var(--tnrw-white);
    border-radius: var(--tnrw-radius-md);
    padding: 1.5rem 2rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    border: 1px solid var(--tnrw-light-gray);
    transition: all var(--tnrw-transition);
}

.tnrw-listing-item:hover {
    border-color: var(--tnrw-secondary);
    box-shadow: var(--tnrw-shadow-sm);
}

.tnrw-listing-item h3 {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.tnrw-listing-item p {
    color: var(--tnrw-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.tnrw-listing-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--tnrw-gray);
    margin-top: 0.5rem;
}

.tnrw-listing-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* -----------------------------------------------------
   Tables
   ----------------------------------------------------- */
.tnrw-table-wrapper {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.tnrw-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--tnrw-white);
    border-radius: var(--tnrw-radius-md);
    overflow: hidden;
    box-shadow: var(--tnrw-shadow-sm);
}

.tnrw-table th,
.tnrw-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--tnrw-light-gray);
}

.tnrw-table th {
    background: var(--tnrw-bg);
    font-family: var(--tnrw-font-heading);
    font-weight: 600;
    color: var(--tnrw-text);
}

.tnrw-table tr:last-child td {
    border-bottom: none;
}

.tnrw-table tr:hover td {
    background: rgba(74, 155, 127, 0.03);
}

/* -----------------------------------------------------
   Info Box / Alert
   ----------------------------------------------------- */
.tnrw-infobox {
    padding: 1.5rem 2rem;
    border-radius: var(--tnrw-radius-md);
    margin: 1.5rem 0;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.tnrw-infobox--info {
    background: rgba(74, 155, 127, 0.1);
    border-left: 4px solid var(--tnrw-primary);
}

.tnrw-infobox--warning {
    background: rgba(245, 199, 126, 0.2);
    border-left: 4px solid var(--tnrw-accent);
}

.tnrw-infobox--tip {
    background: rgba(123, 196, 168, 0.15);
    border-left: 4px solid var(--tnrw-secondary);
}

.tnrw-infobox-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tnrw-infobox-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.tnrw-infobox-content p:last-child {
    margin-bottom: 0;
}

/* -----------------------------------------------------
   Footer
   ----------------------------------------------------- */
.tnrw-footer {
    background: var(--tnrw-text);
    color: var(--tnrw-white);
    padding: 4rem 2rem 2rem;
}

.tnrw-footer-inner {
    max-width: var(--tnrw-container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
}

.tnrw-footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tnrw-footer-brand .tnrw-logo-text {
    color: var(--tnrw-white);
}

.tnrw-footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.tnrw-footer h4 {
    font-family: var(--tnrw-font-heading);
    font-size: 1rem;
    margin-bottom: 1.25rem;
    color: var(--tnrw-accent);
}

.tnrw-footer ul {
    list-style: none;
}

.tnrw-footer li {
    margin-bottom: 0.6rem;
}

.tnrw-footer a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color var(--tnrw-transition);
}

.tnrw-footer a:hover {
    color: var(--tnrw-white);
}

.tnrw-footer-bottom {
    max-width: var(--tnrw-container-max);
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* -----------------------------------------------------
   Utilities
   ----------------------------------------------------- */
.tnrw-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tnrw-mt-1 { margin-top: 0.5rem; }
.tnrw-mt-2 { margin-top: 1rem; }
.tnrw-mt-3 { margin-top: 1.5rem; }
.tnrw-mt-4 { margin-top: 2rem; }

.tnrw-mb-1 { margin-bottom: 0.5rem; }
.tnrw-mb-2 { margin-bottom: 1rem; }
.tnrw-mb-3 { margin-bottom: 1.5rem; }
.tnrw-mb-4 { margin-bottom: 2rem; }

.tnrw-text-center { text-align: center; }
.tnrw-text-left { text-align: left; }
.tnrw-text-right { text-align: right; }

/* -----------------------------------------------------
   Responsive Design
   ----------------------------------------------------- */

/* Tablet (768px - 1200px) */
@media (max-width: 1200px) {
    .tnrw-hero-inner {
        gap: 3rem;
    }

    .tnrw-stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .tnrw-footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    :root {
        --tnrw-section-padding: 3rem;
        --tnrw-card-padding: 1.75rem;
    }

    /* Header Mobile */
    .tnrw-nav {
        display: none;
    }

    .tnrw-nav-toggle {
        display: flex;
    }

    /* Hero Mobile */
    .tnrw-hero {
        padding: 2.5rem 1.5rem 4rem;
    }

    .tnrw-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tnrw-hero h1 {
        font-size: 2rem;
    }

    .tnrw-hero-buttons {
        justify-content: center;
    }

    .tnrw-hero-image {
        order: -1;
    }

    .tnrw-hero-image img {
        height: 280px;
    }

    /* Section Headers */
    .tnrw-section-title {
        font-size: 1.75rem;
    }

    /* Cards Mobile */
    .tnrw-cards {
        grid-template-columns: 1fr;
    }

    .tnrw-card--horizontal {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tnrw-card--horizontal .tnrw-card-icon {
        margin: 0 auto 1rem;
    }

    /* Stats Mobile */
    .tnrw-stats {
        padding: 3rem 1.5rem;
    }

    .tnrw-stat-number {
        font-size: 2.25rem;
    }

    /* Listing Mobile */
    .tnrw-listing-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tnrw-listing-meta {
        justify-content: center;
    }

    /* Footer Mobile */
    .tnrw-footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .tnrw-footer-brand {
        align-items: center;
    }

    .tnrw-footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    /* Content Mobile */
    .tnrw-content {
        padding: 2rem 1.5rem;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    .tnrw-hero h1 {
        font-size: 1.75rem;
    }

    .tnrw-btn {
        padding: 0.875rem 1.5rem;
        width: 100%;
        text-align: center;
    }

    .tnrw-hero-buttons {
        flex-direction: column;
    }
}