/* Albrecht Apps GmbH - Modern Theme
   Colors: Clarity, Independence, Growth
*/

:root {
    /* Primary Colors - Modern, professional, growth-oriented */
    --color-primary: #2563eb; /* Blue - clarity and trust */
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    
    /* Secondary Colors */
    --color-secondary: #10b981; /* Green - growth and sustainability */
    --color-secondary-dark: #059669;
    --color-secondary-light: #34d399;
    
    /* Accent Colors */
    --color-accent: #f59e0b; /* Amber - energy and action */
    --color-accent-light: #fbbf24;
    
    /* Neutral Colors */
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-bg-dark: #111827;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    --color-border: #e5e7eb;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.navbar-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.navbar-nav a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

/* Vision & Mission */
.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.vision-card, .mission-card {
    padding: var(--spacing-lg);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.service-card.detailed {
    text-align: left;
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-card {
    position: relative;
    padding: var(--spacing-lg);
}

.product-card.featured {
    border: 2px solid var(--color-primary);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-badge.available-soon {
    background: var(--color-warning);
    color: white;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.product-description {
    margin: var(--spacing-sm) 0;
    min-height: 3rem;
}

.product-features {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.product-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-light);
    position: relative;
    padding-left: 1.5rem;
}

.product-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Page Header */
.page-header {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* Vision & Mission Full Page */
.vision-mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.vision-section, .mission-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.section-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.vision-statement, .mission-statement {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.extended-mission {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-card {
    text-align: center;
    padding: var(--spacing-md);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Consulting */
.consulting-approach {
    margin-top: var(--spacing-xl);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.approach-item {
    text-align: center;
    padding: var(--spacing-md);
}

.approach-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.cta-content .btn-primary {
    background: white;
    color: var(--color-primary);
}

.cta-content .btn-primary:hover {
    background: var(--color-bg-alt);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.cta-note {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
}

.cta-note a {
    color: white;
    text-decoration: underline;
}

/* Imprint */
.imprint-content {
    max-width: 800px;
    margin: 0 auto;
}

.imprint-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.imprint-section h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.imprint-details p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

/* Error Page */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.error-content h1 {
    font-size: 8rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.error-content h2 {
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.site-footer {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .navbar-nav {
        display: none; /* Mobile menu would go here */
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1em;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-control::placeholder {
    color: var(--color-text-lighter);
}

/* Number input specific styling */
.form-control-number {
    width: 100px;
    padding: 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1em;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control-number:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Form Labels */
.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text);
}

/* Form Error Messages */
.form-error {
    color: var(--color-error);
    font-size: 0.9em;
    margin-top: 5px;
}

.form-errors {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 20px;
    color: var(--color-error);
}

/* Form Help Text */
.form-help {
    color: var(--color-text-light);
    font-size: 0.875em;
    margin-top: 5px;
    display: block;
}

/* Utilities */
.section-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

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

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