/* ============================================
   Keko - Gitarrist in Berlin
   Clean Portfolio - Styles (Inspired by Bob Lanzetti style)
   ============================================ */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Colors - Clean and Professional */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a5568;
    --color-text-muted: #718096;
    
    /* Accent colors - Subtle but professional */
    --color-accent: #E93CFF;
    --color-accent-light: rgba(233, 60, 255, 0.1);
    --color-accent-border: rgba(233, 60, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.25rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* Links */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Focus Styles */
:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================
   Background Images - Very Subtle
   ============================================ */
.bg-images {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -10;
    overflow: hidden;
    opacity: 0.03;
}

.bg-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) brightness(1.2);
}

.bg-image-1 {
    top: 0;
    left: 0;
}

.bg-image-2 {
    top: 0;
    left: 0;
}

/* ============================================
   Container
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
    position: relative;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    max-width: 100%;
    margin: 0 auto;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(233, 60, 255, 0.2));
}

.hero-name-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.hero-title {
    font-size: clamp(var(--font-size-xl), 5vw, var(--font-size-3xl));
    font-weight: 400;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.hero-location {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.location-icon {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.location-text {
    font-weight: 500;
}

.separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-text-muted);
}

.email-text {
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* ============================================
   Main 2-Column Layout
   ============================================ */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin: 0 auto;
    max-width: 1400px;
    border-top: 1px solid var(--color-accent-border);
}

/* Column styling */
.left-column,
.right-column {
    position: relative;
}

.left-column {
    border-right: 1px solid var(--color-accent-border);
}

/* Grid sections within columns */
.grid-section {
    padding: var(--spacing-2xl);
    position: relative;
}

.grid-section:not(:last-child) {
    border-bottom: 1px solid var(--color-accent-border);
}

/* ============================================
   Section Content
   ============================================ */
.section-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.title-icon {
    font-size: var(--font-size-base);
    color: var(--color-accent);
}

.section-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 400px;
}

/* ============================================
   Social Grid
   ============================================ */
.social-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    width: 100%;
    margin-top: var(--spacing-sm);
}

.social-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--color-accent-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    min-width: 120px;
}

.social-card:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.social-card-icon {
    font-size: var(--font-size-lg);
}

.social-card-icon svg {
    width: 20px;
    height: 20px;
}

.social-card-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* YouTube card accent */
.youtube-card {
    border-color: rgba(255, 0, 0, 0.3);
}
.youtube-card:hover {
    background: rgba(255, 0, 0, 0.05);
    border-color: #FF0000;
}
.youtube-card .social-card-icon {
    color: #FF0000;
}

/* Instagram card accent */
.instagram-card {
    border-color: rgba(138, 43, 226, 0.3);
}
.instagram-card:hover {
    background: rgba(138, 43, 226, 0.05);
    border-color: #E4405F;
}
.instagram-card .social-card-icon {
    color: #E4405F;
}

/* Facebook card accent */
.facebook-card {
    border-color: rgba(24, 119, 242, 0.3);
}
.facebook-card:hover {
    background: rgba(24, 119, 242, 0.05);
    border-color: #1877F2;
}
.facebook-card .social-card-icon {
    color: #1877F2;
}

/* ============================================
   Video Grid
   ============================================ */
.video-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.video-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-bg);
    transition: all var(--transition-normal);
}

.video-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.video-item iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    background: #000;
}

.video-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--color-bg);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    color: var(--color-bg);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-sm);
    align-self: flex-start;
}

.btn:hover {
    background: var(--color-text-primary);
    color: var(--color-bg);
    transform: translateY(-1px);
}

.btn-arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(3px);
}

.btn-icon {
    font-size: var(--font-size-base);
}

/* Contact Float Button */
.contact-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 100;
}

.btn-contact {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.btn-contact:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

/* Tablet */
@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .left-column,
    .right-column {
        border-right: none;
    }
    
    .left-column {
        border-bottom: 1px solid var(--color-accent-border);
    }
    
    .hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .hero-content {
        gap: var(--spacing-md);
    }
    
    .logo {
        width: 70px;
        height: 70px;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .video-grid {
        max-width: 800px;
        margin: 0 auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .grid-section {
        padding: var(--spacing-xl);
    }
    
    .section-title {
        font-size: var(--font-size-base);
    }
    
    .social-card {
        min-width: 100px;
        padding: var(--spacing-sm);
    }
    
    .social-card-icon {
        font-size: var(--font-size-base);
    }
    
    .social-card-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .contact-float {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
    
    .btn-contact {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .main-grid {
        padding-bottom: var(--spacing-2xl);
    }
    
    .grid-section {
        padding: var(--spacing-lg);
    }
    
    .social-card {
        min-width: 80px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .social-card-text {
        font-size: 0.75rem;
    }
    
    .video-grid {
        gap: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .bg-images,
    .contact-float {
        display: none !important;
    }
    
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .left-column,
    .right-column {
        border: none;
    }
    
    .grid-section:not(:last-child) {
        border-bottom: 1px solid #eee;
    }
}

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