/* =============================================
   Λ◦T – Gallery Stylesheet
   Refined aesthetic for spatial paintings
   ============================================= */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-primary: #1a1a1a;
    --color-secondary: #666666;
    --color-accent: #c41e3a;
    --color-background: #ffffff;
    --color-background-alt: #f8f8f8;
    --color-border: #e0e0e0;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --max-width: 1400px;
    --border-radius: 2px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

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

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-secondary);
}

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

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

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ===== Language Switcher ===== */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--color-border);
}

.lang-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    opacity: 0.6;
}

.lang-btn:hover {
    opacity: 1;
    border-color: var(--color-accent);
}

.lang-btn.active {
    opacity: 1;
    border-color: var(--color-accent);
    background-color: rgba(196, 30, 58, 0.05);
}

.lang-btn .flag {
    font-size: 1.2rem;
    display: block;
    line-height: 1;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    position: relative;
    margin-top: 80px;
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1.2s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-title .line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero-title .line:nth-child(1) { animation-delay: 0.2s; }
.hero-title .line:nth-child(2) { animation-delay: 0.4s; }
.hero-title .line:nth-child(3) { animation-delay: 0.6s; }

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-secondary);
    letter-spacing: 0.05em;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-secondary);
    opacity: 0;
    animation: fadeIn 0.8s ease-out 1.2s forwards;
}

.scroll-indicator {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-secondary), transparent);
    animation: scrollIndicator 2s ease-in-out infinite;
}

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

/* ===== Gallery Section ===== */
.gallery {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.gallery-intro {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.gallery-intro h2 {
    margin-bottom: var(--spacing-md);
}

.gallery-intro p {
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.artwork-item {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.artwork-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.artwork-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background-color: var(--color-background-alt);
    margin-bottom: var(--spacing-sm);
}

.artwork-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.artwork-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.artwork-item:hover .artwork-overlay {
    opacity: 1;
}

.btn-inquire {
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-background);
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-inquire:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.sold-label {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-background);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
}

.artwork-info h3 {
    margin-bottom: var(--spacing-xs);
}

.artwork-details {
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.artwork-price {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.artwork-shipping {
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-xs);
}

.artwork-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--border-radius);
}

.artwork-status.available {
    color: #2d7a3e;
    background-color: #e8f5e9;
}

.artwork-status.sold {
    color: var(--color-secondary);
    background-color: var(--color-background-alt);
}

/* ===== About Section ===== */
.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-background-alt);
}

.about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.detail-item {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-left: 2px solid var(--color-accent);
}

.detail-item h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.detail-item p {
    font-size: 0.95rem;
    color: var(--color-secondary);
    margin-bottom: 0;
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--spacing-xl) var(--spacing-md);
}

.contact-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-container h2 {
    margin-bottom: var(--spacing-sm);
}

.contact-subtitle {
    font-size: 1.05rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-primary);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-background);
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-submit:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.contact-direct {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.contact-direct p {
    margin-bottom: var(--spacing-xs);
}

.contact-direct a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-background);
    text-align: center;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-background);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-links a:hover {
    color: var(--color-accent);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .nav-right {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-end;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .language-switcher {
        border-left: none;
        border-top: 1px solid var(--color-border);
        padding-left: 0;
        padding-top: var(--spacing-xs);
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .nav-right {
        width: 100%;
        margin-top: var(--spacing-xs);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .language-switcher {
        border-top: none;
        padding-top: 0;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}