/**
 * Modern Professional Corporate Design
 * Neutral Gray Color Scheme
 * Mobile-First Responsive Design
 */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
    /* Color Palette - Neutral Grays */
    --color-gray-900: #1a1a1a;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #4a4a4a;
    --color-gray-600: #6b6b6b;
    --color-gray-500: #8a8a8a;
    --color-gray-400: #b0b0b0;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;
    
    /* Accent Colors - Subtle Blue/Green */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #059669;
    --color-secondary-hover: #047857;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ========================================
   Base Styles
   ======================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-base);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-gray-900);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

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

/* ========================================
   Header / Navigation
   ======================================== */
#header {
    background: #ffffff !important;
    box-shadow: none !important;
    transition: all var(--transition-base);
    z-index: 997;
    padding: 1rem 0 !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    border-bottom: none;
}

#header.header-scrolled {
    box-shadow: none !important;
    padding: 0.75rem 0 !important;
}

#header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.header-logo {
    max-height: 60px;
    width: auto;
}

/* Change color of "Rundfunkbeitrag Service" links in forms to light grey */
.logo a[href="index.html"],
h1.logo a[href="index.html"] {
    color: var(--color-gray-400) !important;
}

.logo a[href="index.html"]:hover,
h1.logo a[href="index.html"]:hover {
    color: var(--color-gray-500) !important;
}

.header-cta-btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #ffffff;
    background: #2563eb;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.header-cta-btn:hover {
    background: #1d4ed8;
    color: #ffffff;
    text-decoration: none;
}

/* ========================================
   Buttons
   ======================================== */
.btn-get-started,
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.btn-get-started:hover,
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-get-started:active,
.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: var(--color-gray-600);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-gray-700);
    color: var(--color-white);
}

/* Button Sizes */
.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ========================================
   Hero Section
   ======================================== */
#hero {
    margin-top: 80px;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    min-height: 500px;
    display: flex;
    align-items: center;
}

#hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

#hero h2 {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

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

.hero-img img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   Modern Hero Section (New Design)
   ======================================== */
.modern-hero-section {
    margin-top: 60px;
    padding: 0;
    background: #ffffff;
    min-height: calc(100vh - 60px);
    position: relative;
    overflow: hidden;
}

.modern-hero-section .container-fluid {
    padding: 0;
    max-width: 100%;
    margin: 0 auto;
}

/* Align body content with header logo - use same padding as Bootstrap container */
.modern-hero-section .container-fluid.px-4 {
    padding-left: 0;
    padding-right: 0;
}

/* Only apply modern-hero-left styles within modern-hero-section (index page) */
.modern-hero-section .modern-hero-left {
    padding: 80px 15px 80px 15px;
    padding-right: 20px;
    position: relative;
    z-index: 1;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Match Bootstrap container padding exactly for alignment with header */
@media (min-width: 576px) {
    .modern-hero-section .modern-hero-left {
        padding-left: max(15px, calc((100vw - 540px) / 2));
        padding-right: max(15px, calc((100vw - 540px) / 2));
    }
}

@media (min-width: 768px) {
    .modern-hero-section .modern-hero-left {
        padding-left: max(15px, calc((100vw - 720px) / 2));
        padding-right: max(15px, calc((100vw - 720px) / 2));
    }
}

@media (min-width: 992px) {
    .modern-hero-section .modern-hero-left {
        padding-left: max(15px, calc((100vw - 960px) / 2));
        padding-right: max(15px, calc((100vw - 960px) / 2));
    }
}

@media (min-width: 1200px) {
    .modern-hero-section .modern-hero-left {
        padding-left: max(15px, calc((100vw - 1140px) / 2));
        padding-right: max(15px, calc((100vw - 1140px) / 2));
    }
}

@media (min-width: 1400px) {
    .modern-hero-section .modern-hero-left {
        padding-left: max(15px, calc((100vw - 1320px) / 2));
        padding-right: max(15px, calc((100vw - 1320px) / 2));
    }
}

.modern-hero-content {
    max-width: 12000px;
    padding-left: 0;
    margin-left: 0;
    width: 150%;
}

.modern-logo {
    margin-bottom: 2.5rem;
}

.modern-logo-img {
    max-height: 70px;
    width: auto;
}

.modern-hero-title {
    font-size: 3rem !important;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    max-width: 100%;
}

.modern-hero-description {
    font-size: 1.25rem;
    color: #4a4a4a;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.modern-cta-wrapper {
    margin-bottom: 2rem;
}

/* Only apply full width in modern-hero-section context (index page) */
.modern-hero-section .modern-cta-wrapper {
    width: 100%;
    max-width: 70.875%;
}

.modern-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9375rem 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #ffffff;
    background: #2563eb;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Only apply full width in modern-hero-section context (index page) */
.modern-hero-section .modern-cta-button {
    justify-content: center;
    width: 100%;
}

/* Make button same width as security badges image - Desktop */
.modern-hero-section .modern-cta-wrapper {
    width: 100%;
    max-width: 70.875%;
}

.modern-cta-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    color: #ffffff;
}

.modern-cta-button i {
    font-size: 1.125rem;
}

.modern-hinweis-box {
    background: #f5f5f5;
    border-left: 4px solid #2563eb;
    padding: 1rem 1.25rem;
    border-radius: 4px;
    margin-top: 0;
    margin-bottom: 2rem;
    font-size: 0.9375rem;
    color: #4a4a4a;
    line-height: 1.6;
}

.modern-hinweis-box strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 0.5rem;
}

.modern-hinweis-text {
    font-size: 0.625rem;
    color: var(--color-gray-800);
    line-height: 1.4;
    margin: 1.5rem 0;
    font-weight: 300;
    width: 100%;
    max-width: 70.875%;
}

.modern-security-badges {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    margin-top: 0;
    flex-wrap: nowrap;
}

/* Only apply larger size in modern-hero-section context (index page) */
.modern-hero-section .modern-security-badges img {
    max-width: 140%;
    width: auto;
    height: auto;
}

.security-badge {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: none;
    border: none;
    flex: 0 1 auto;
}

.badge-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
    margin-top: 0;
}

.badge-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    align-items: flex-start;
}

.badge-text strong {
    font-size: 0.625rem;
    color: #1a1a1a;
    font-weight: 600;
    margin: 0;
    line-height: 1.2;
    height: 1.2em;
    display: block;
}

.badge-text span {
    font-size: 0.625rem;
    color: #6b6b6b;
    line-height: 1.2;
    margin: 0;
}

/* Only apply modern-hero-right styles within modern-hero-section (index page) */
.modern-hero-section .modern-hero-right {
    padding: 80px 10px 80px 10px;
    position: relative;
    z-index: 1;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Style for image link */
.modern-hero-section .modern-image-container a {
    display: block;
    text-decoration: none;
    border: none;
}

.modern-hero-section .modern-image-container a:hover {
    opacity: 0.9;
}

/* Only apply modern-image-container styles within modern-hero-section (index page) */
.modern-hero-section .modern-image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Only apply modern-hero-image styles within modern-hero-section (index page) */
.modern-hero-section .modern-hero-image {
    max-width: 70%;
    height: auto;
    object-fit: contain;
}

.modern-form-container {
    width: 100%;
    max-width: 480px;
}

.modern-form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.modern-form-logo {
    max-height: 36px;
    width: auto;
}

.modern-form-cta-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #ffffff;
    background: #2563eb;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.modern-form-cta-btn:hover {
    background: #1d4ed8;
    color: #ffffff;
}

.modern-form-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.modern-quick-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modern-form-group {
    display: flex;
    flex-direction: column;
}

.modern-form-group label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.modern-form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: #1a1a1a;
    background-color: #ffffff;
    border: 2px solid #d4d4d4;
    border-radius: 6px;
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a4a4a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

.modern-form-control:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.modern-form-control::placeholder {
    color: #8a8a8a;
}

.modern-form-submit-btn {
    width: 100%;
    padding: 0.9375rem 1rem;
    font-size: 1.0625rem;
    font-weight: 600;
    color: #ffffff;
    background: #2563eb;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.modern-form-submit-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.modern-form-status {
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid #e5e5e5;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: #059669;
}

.status-item i {
    font-size: 1.125rem;
}

/* Ensure desktop font size and layout is maintained */
@media screen and (min-width: 992px) {
    .modern-hero-title {
        font-size: 3rem !important;
        font-weight: 700 !important;
    }
    
    .modern-hero-section .modern-hero-right {
        padding: 80px 10px 80px 10px;
        margin-left: -100px;
        display: flex !important;
        visibility: visible !important;
    }
    
    .modern-hero-section .modern-hero-image,
    .modern-hero-section .modern-image-container {
        display: block !important;
        visibility: visible !important;
    }
}

/* Responsive Design for Modern Hero */
@media screen and (max-width: 991px) and (min-width: 768px) {
    .modern-hero-section .modern-hero-left {
        padding: 60px 30px 40px 30px;
        min-height: auto;
    }
    
    .modern-hero-section .modern-hero-right {
        padding: 40px 30px 40px 30px;
        min-height: auto;
        margin-left: -50px !important;
    }
    
    .modern-hero-title {
        font-size: 2rem !important;
        margin-bottom: 1rem;
    }
    
    .modern-hero-description {
        font-size: 1.0625rem;
        margin-bottom: 1.5rem;
    }
    
    .modern-logo {
        margin-bottom: 2rem;
    }
    
    .modern-cta-wrapper {
        margin-bottom: 1.5rem;
    }
    
    .modern-hinweis-box {
        margin-bottom: 1.5rem;
    }
    
    .modern-security-badges {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 0.75rem;
    }
    
    .security-badge {
        flex: 0 1 auto;
        min-width: auto;
    }
}

@media screen and (max-width: 767px) {
    .modern-hero-section {
        margin-top: 55px;
        min-height: auto;
    }
    
    .modern-hero-section .container-fluid.px-4 {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .modern-hero-section .row {
        flex-direction: column;
    }
    
    .modern-hero-section .modern-hero-left {
        padding: 40px 20px 30px 20px;
        min-height: auto;
        width: 100%;
    }
    
    /* Hide entire right column on mobile - more specific selectors */
    .modern-hero-section .row .col-lg-4.modern-hero-right,
    .modern-hero-section .row > div.col-lg-4.modern-hero-right,
    .modern-hero-section div.modern-hero-right,
    .modern-hero-section .modern-hero-right.col-lg-4 {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        overflow: hidden !important;
        padding: 0 !important;
        margin: 0 !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    .modern-hero-section .modern-image-container,
    .modern-hero-section .modern-image-container a,
    .modern-hero-section .modern-image-container img,
    .modern-hero-section img.modern-hero-image,
    .modern-hero-section .modern-hero-image {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        max-width: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
        padding: 0 !important;
        margin: 0 !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    .modern-hero-content {
        max-width: 100%;
        width: 100%;
    }
    
    .modern-hero-title {
        font-size: 4.08rem !important;
        font-weight: 700 !important;
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    
    .modern-hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
    }
    
    .modern-logo {
        margin-bottom: 1.5rem;
    }
    
    .modern-logo-img {
        max-height: 50px;
    }
    
    .modern-cta-button {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .modern-cta-wrapper {
        margin-bottom: 1.5rem;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .modern-hinweis-text {
        width: 100% !important;
        max-width: 100% !important;
        font-size: 0.75rem;
        line-height: 1.5;
        margin: 1.5rem 0;
    }
    
    .modern-hero-section .modern-hero-image,
    .modern-hero-section .modern-image-container,
    .modern-hero-section .modern-image-container a {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        width: 0 !important;
        overflow: hidden !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .modern-security-badges {
        gap: 0.5rem;
        margin-top: 1.5rem;
    }
    
    .modern-security-badges img {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .modern-hinweis-box {
        margin-bottom: 1.25rem;
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }
    
    .modern-form-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .modern-form-card {
        padding: 1.5rem;
    }
    
    .modern-quick-form {
        gap: 0.875rem;
    }
    
    .security-badge {
        flex: 0 1 auto;
        min-width: auto;
    }
}

/* ========================================
   Sections
   ======================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-bg {
    background-color: var(--color-gray-100);
}

.featured-services {
    padding: var(--spacing-2xl) 0;
}

/* ========================================
   Cards / Icon Boxes
   ======================================== */
.icon-box {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.icon-box:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.icon-box .icon {
    margin-bottom: var(--spacing-lg);
}

.icon-box .icon i {
    font-size: 3rem;
    color: var(--color-primary);
}

.icon-box .title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.icon-box .description {
    color: var(--color-gray-700);
    flex-grow: 1;
}

/* ========================================
   Forms
   ======================================== */
.inner-page {
    padding-top: 120px;
    padding-bottom: 4rem;
    margin-bottom: 4rem;
    min-height: calc(100vh - 300px);
}

/* Ensure gap after inner-page section before footer */
section.inner-page {
    margin-bottom: 6rem !important;
    padding-bottom: 4rem !important;
}

/* Ensure gap between main content and footer */
#main {
    margin-bottom: 6rem !important;
    padding-bottom: 2rem;
}

/* Ensure footer has top margin */
body > footer#footer,
main + footer#footer {
    margin-top: 6rem !important;
}

.breadcrumbs {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-gray-100);
    margin-top: 80px;
}

.breadcrumbs h2 {
    font-size: 1.75rem;
    color: var(--color-gray-900);
    margin: 0;
}

.breadcrumbs h3 {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin: var(--spacing-xs) 0 0 0;
    font-weight: 400;
}

fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.box-titel,
label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
textarea,
select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-control:focus,
.form-select:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    background-color: var(--color-gray-200);
    cursor: not-allowed;
    opacity: 0.6;
}

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

/* Form Validation */
.form-control.is-invalid,
input.is-invalid,
textarea.is-invalid,
select.is-invalid {
    border-color: var(--color-error);
}

.validation-error {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: block;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info);
    color: var(--color-gray-800);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-gray-800);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-gray-800);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-gray-800);
}

/* Card-based Form Layout */
.form-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Main Content
   ======================================== */
#main {
    margin-bottom: 4rem;
}

/* ========================================
   Footer
   ======================================== */
#footer {
    background-color: var(--color-white);
    color: var(--color-gray-700);
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    border-top: 1px solid var(--color-gray-200);
    margin-top: 4rem;
    position: relative;
    clear: both;
}

.footer-top {
    padding-bottom: var(--spacing-xl);
}

.footer-links h4 {
    color: var(--color-gray-900);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li a {
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links ul li a:hover {
    color: var(--color-gray-900);
    padding-left: var(--spacing-xs);
}

.footer-links ul li i {
    font-size: 0.75rem;
}

.footer-links p {
    color: var(--color-gray-600);
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.copyright {
    text-align: center;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.copyright strong {
    color: var(--color-gray-900);
}

/* ========================================
   Back to Top Button
   ======================================== */
.back-to-top {
    position: fixed;
    visibility: hidden;
    opacity: 0;
    right: 20px;
    bottom: 20px;
    z-index: 996;
    background: var(--color-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.back-to-top i {
    font-size: 20px;
    color: var(--color-white);
}

.back-to-top:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.back-to-top.active {
    visibility: visible;
    opacity: 1;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Mobile First - Base styles are for mobile */

/* Tablet */
@media (min-width: 768px) {
    #hero h1 {
        font-size: 3.5rem;
    }
    
    #hero h2 {
        font-size: 1.5rem;
    }
    
    .inner-page {
        padding-top: 140px;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    #hero h1 {
        font-size: 4rem;
    }
    
    .icon-box {
        padding: var(--spacing-2xl);
    }
}

/* Mobile Optimizations */
@media (max-width: 767px) {
    #header .logo {
        font-size: 1.25rem;
    }
    
    #header .logo img {
        max-height: 32px;
    }
    
    #hero {
        padding: var(--spacing-xl) 0;
        min-height: auto;
        margin-top: 70px;
    }
    
    #hero h1 {
        font-size: 2rem;
    }
    
    #hero h2 {
        font-size: 1.125rem;
    }
    
    .btn-get-started,
    .btn-primary {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .inner-page {
        padding-top: 100px;
    }
    
    .form-card {
        padding: var(--spacing-lg);
    }
    
    .icon-box {
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-links {
        margin-bottom: var(--spacing-xl);
    }
}

/* Extra Small Devices */
@media screen and (max-width: 480px) {
    #header {
        padding: var(--spacing-md) 0;
    }
    
    #header .logo {
        font-size: 1.125rem;
    }
    
    #hero h1 {
        font-size: 1.75rem;
    }
    
    .breadcrumbs h2 {
        font-size: 1.5rem;
    }
    
    .modern-hero-section .modern-hero-left {
        padding: 30px 15px 20px 15px;
    }
    
    .modern-hero-section .modern-hero-right {
        padding: 15px 15px 30px 15px;
    }
    
    .modern-hero-title {
        font-size: 1.275rem !important;
        font-weight: 700 !important;
    }
    
    .modern-hero-description {
        font-size: 0.9375rem;
    }
    
    .modern-cta-button {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .modern-hinweis-text {
        font-size: 0.6875rem;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-xl);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.pt-4 {
    padding-top: var(--spacing-lg);
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    #header,
    .back-to-top,
    #footer {
        display: none;
    }
    
    body {
        background: white;
    }
}