/* ========================================
   Stolarnia To & Owo - Modern Single Page
   ======================================== */

/* CSS Variables */
:root {
    --color-bg: #0f0f0f;
    --color-bg-alt: #1a1a1a;
    --color-bg-card: #242424;
    --color-text: #e8e4df;
    --color-text-muted: #9a958f;
    --color-accent: #c4a574;
    --color-accent-light: #d4b584;
    --color-border: #333;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-accent-light);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Site Header
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    transition: background var(--transition-medium);
}

.site-header.scrolled {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
}

.site-logo {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.9;
}

.site-logo:hover {
    transform: scale(1.05);
    opacity: 1;
}

.site-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(15, 15, 15, 0.6);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 30px;
    border: 1px solid var(--color-border);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-text);
}

.lang-btn.active {
    color: var(--color-accent);
}

.lang-divider {
    color: var(--color-border);
    font-size: 0.75rem;
}

/* Language content visibility - Default is Polish */
[data-en] {
    display: none !important;
}

[data-pl] {
    display: block;
}

span[data-pl] {
    display: inline;
}

span[data-en] {
    display: none !important;
}

/* English mode */
body.lang-en [data-pl] {
    display: none !important;
}

body.lang-en [data-en] {
    display: block !important;
}

body.lang-en span[data-pl] {
    display: none !important;
}

body.lang-en span[data-en] {
    display: inline !important;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.1);
    animation: heroZoom 20s ease-out forwards;
}

@keyframes heroZoom {
    to {
        transform: scale(1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(15, 15, 15, 0.4) 0%,
        rgba(15, 15, 15, 0.6) 50%,
        rgba(15, 15, 15, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease 0.3s forwards;
}

/* Simple ampersand styling */
.amp {
    font-family: var(--font-body);
    font-weight: 300;
    font-style: normal;
    opacity: 0.7;
    margin: 0 0.05em;
}

.hero-tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-accent);
    letter-spacing: 0.1em;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1s ease 0.6s forwards;
}

.hero-year {
    margin-top: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 1s ease 0.9s forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: fadeUp 1s ease 1.2s forwards;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    margin-left: -2px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scrollBounce 1.5s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.3;
    }
}

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

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

.section-stoliki {
    background: var(--color-bg-alt);
}

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

.section-meble {
    background: var(--color-bg-alt);
}

.section-kontakt {
    background: var(--color-bg);
    padding-bottom: var(--spacing-lg);
}

/* Section Title */
.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin-top: var(--spacing-sm);
}

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

.section-title-center::after {
    margin-left: auto;
    margin-right: auto;
}

/* Section Text */
.section-text {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 600px;
}

.section-text p {
    margin-bottom: var(--spacing-sm);
}

.section-text p:last-child {
    margin-bottom: 0;
}

.section-text-center {
    text-align: center;
    margin: 0 auto var(--spacing-lg);
    max-width: 800px;
}

/* Section Grid */
.section-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 900px) {
    .section-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .section-grid-reverse .section-content {
        order: -1;
    }
}

/* Section Image */
.section-image {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.section-image img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.section-image:hover img {
    transform: scale(1.03);
}

/* ========================================
   Photo Grid
   ======================================== */
.photo-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.photo-grid-2 {
    grid-template-columns: 1fr;
}

.photo-grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 600px) {
    .photo-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .photo-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .photo-grid-3 .photo-item-large {
        grid-column: span 2;
    }
}

@media (min-width: 900px) {
    .photo-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .photo-grid-3 .photo-item-large {
        grid-column: span 1;
    }
}

.photo-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 4/3;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.photo-item:hover img {
    transform: scale(1.05);
}

/* ========================================
   Gallery Band (Horizontal Scroll)
   ======================================== */
.gallery-band {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg);
    overflow: hidden;
}

.gallery-band-track {
    display: flex;
    gap: var(--spacing-md);
    animation: scrollGallery 30s linear infinite;
    width: max-content;
}

.gallery-band-track:hover {
    animation-play-state: paused;
}

@keyframes scrollGallery {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.gallery-band-item {
    flex-shrink: 0;
    width: 300px;
    height: 200px;
    border-radius: 4px;
    overflow: hidden;
}

.gallery-band-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.gallery-band-item:hover img {
    transform: scale(1.1);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

@media (min-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr 1.5fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.contact-link {
    font-size: 1.25rem;
    font-weight: 400;
}

.contact-address {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

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

/* Map */
.contact-map {
    border-radius: 4px;
    overflow: hidden;
    background: var(--color-bg-card);
}

.contact-map iframe {
    display: block;
    filter: grayscale(100%) contrast(1.1);
    transition: filter var(--transition-medium);
}

.contact-map:hover iframe {
    filter: grayscale(50%) contrast(1.05);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

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

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   Animations & Transitions
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animation */
.photo-grid.visible .photo-item {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerFadeUp 0.6s ease forwards;
}

.photo-grid.visible .photo-item:nth-child(1) { animation-delay: 0.1s; }
.photo-grid.visible .photo-item:nth-child(2) { animation-delay: 0.2s; }
.photo-grid.visible .photo-item:nth-child(3) { animation-delay: 0.3s; }

@keyframes staggerFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 600px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
    }
    
    .lang-toggle {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .hero {
        min-height: 100svh;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .gallery-band-item {
        width: 250px;
        height: 166px;
    }
}

/* Smooth scrolling for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .hero-bg {
        animation: none;
        transform: scale(1);
    }
    
    .hero-title,
    .hero-tagline,
    .hero-year,
    .scroll-indicator {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .scroll-indicator span::before {
        animation: none;
    }
    
    .gallery-band-track {
        animation: none;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}