/* ================================================
   Wurzographie Digital Business Card
   Modern, minimalist, elegant design
   ================================================ */

/* ================================================
   CSS Custom Properties (Design System)
   ================================================ */
:root {
    /* Colors from Brand Guide */
    --color-primary: #2C2C2C;
    --color-secondary: #6B6B6B;
    --color-accent: #C9A961;
    --color-bg: #F8F8F8;
    --color-text: #1A1A1A;
    --color-border: #E0E0E0;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-accent: 0 4px 16px rgba(201, 169, 97, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Focus styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ================================================
   Layout
   ================================================ */
.card-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
    animation: fadeIn var(--transition-slow);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================================================
   Business Card Component
   ================================================ */
.business-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 100%;
    padding: var(--space-2xl) var(--space-xl);
    position: relative;
    overflow: hidden;
}

/* Subtle texture overlay */
.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(201, 169, 97, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(44, 44, 44, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

/* ================================================
   Logo Section
   ================================================ */
.logo-section {
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: contrast(1.05);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.02);
}

/* ================================================
   Name Section
   ================================================ */
.name-section {
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: fadeIn 0.8s ease 0.2s backwards;
}

.name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.accent-line {
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto var(--space-md);
    transition: width var(--transition-base);
}

.business-card:hover .accent-line {
    width: 80px;
}

.tagline {
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 2vw, 1.125rem);
    color: var(--color-secondary);
    font-weight: 400;
    font-style: italic;
    max-width: 400px;
    margin: 0 auto;
}

/* ================================================
   Section Titles
   ================================================ */
.section-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    position: relative;
    padding-left: var(--space-sm);
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
}

/* ================================================
   Contact Section
   ================================================ */
.contact-section {
    margin-bottom: var(--space-xl);
    animation: fadeIn 0.8s ease 0.4s backwards;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.contact-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-accent);
    transform: translateX(4px);
}

.contact-card:hover::before {
    transform: scaleY(1);
}

.contact-card:active {
    transform: translateX(2px);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    word-break: break-word;
}

/* ================================================
   Services Section
   ================================================ */
.services-section {
    margin-bottom: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    animation: fadeIn 0.8s ease 0.6s backwards;
}

.services-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.service-item {
    color: var(--color-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.service-divider {
    color: var(--color-accent);
    font-weight: 300;
}

/* ================================================
   Share Section
   ================================================ */
.share-section {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.8s ease 0.7s backwards;
}

.share-button,
.qr-button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-secondary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-button svg,
.qr-button svg {
    width: 18px;
    height: 18px;
}

.share-button:hover,
.qr-button:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.share-button:active,
.qr-button:active {
    transform: scale(0.98);
}

/* ================================================
   CTA Section
   ================================================ */
.cta-section {
    animation: fadeIn 0.8s ease 0.8s backwards;
}

.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.cta-button:hover {
    background: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button svg {
    width: 20px;
    height: 20px;
}

/* ================================================
   Modal (QR Code)
   ================================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeIn var(--transition-base);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 400px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp var(--transition-base);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-accent);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.modal-close:hover svg {
    color: var(--color-white);
}

.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.modal-description {
    font-size: 0.875rem;
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.qr-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.modal-url {
    font-size: 0.75rem;
    color: var(--color-secondary);
    text-align: center;
    word-break: break-all;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    text-align: center;
    padding: var(--space-lg);
    color: var(--color-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-white);
}

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

/* Mobile (Portrait) */
@media (max-width: 374px) {
    .business-card {
        padding: var(--space-xl) var(--space-md);
    }
    
    .name {
        font-size: 1.75rem;
    }
    
    .tagline {
        font-size: 0.875rem;
    }
    
    .share-section {
        flex-direction: column;
    }
}

/* Mobile (Landscape) and Tablet */
@media (min-width: 375px) and (max-width: 767px) {
    .business-card {
        padding: var(--space-2xl) var(--space-lg);
    }
}

/* Tablet */
@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .logo {
        max-width: 320px;
    }
}

/* Desktop */
@media (min-width: 1280px) {
    .card-container {
        padding: var(--space-2xl);
    }
    
    .business-card {
        padding: var(--space-2xl) 3rem;
    }
    
    .logo {
        max-width: 360px;
    }
}

/* ================================================
   Print Styles
   ================================================ */
@media print {
    body {
        background: white;
    }
    
    .card-container {
        padding: 0;
    }
    
    .business-card {
        box-shadow: none;
        border: 1px solid var(--color-border);
        page-break-inside: avoid;
    }
    
    .share-section,
    .modal,
    .footer {
        display: none;
    }
    
    .contact-card {
        border: 1px solid var(--color-border);
    }
    
    .contact-card:hover {
        transform: none;
        box-shadow: none;
    }
}

/* ================================================
   Accessibility Enhancements
   ================================================ */

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .business-card {
        border: 2px solid var(--color-primary);
    }
    
    .contact-card {
        border-width: 2px;
    }
    
    .accent-line {
        height: 3px;
    }
}