/* ==========================================================================
   MATTHEW'S HANDCRAFTED METAL ART STUDIO — DYNAMIC OBSIDIAN ANISOTROPIC SPEC
   ========================================================================== */

/* 1. ROOT VARIABLES & PALETTE */
:root {
    /* Obsidian Glass Depth */
    --bg-obsidian-base: #040508;
    --bg-obsidian-surface: #0b0d14;
    --bg-obsidian-card: rgba(14, 17, 26, 0.85);
    --bg-obsidian-glass: rgba(10, 12, 19, 0.72);
    
    /* Vibrant Copper Tones */
    --copper-primary: #e05e1b;
    --copper-bright: #ff8533;
    --copper-light: #ffa45c;
    --copper-highlight: #ffe4d4;
    --copper-dark: #b34100;
    --copper-shadow: #4d1c00;
    --copper-gradient: linear-gradient(135deg, #ffe4d4 0%, #ff8533 25%, #e05e1b 55%, #b34100 80%, #4d1c00 100%);

    /* Vibrant Brass Tones */
    --brass-primary: #f5b316;
    --brass-bright: #ffd15c;
    --brass-light: #fff0a6;
    --brass-highlight: #fffbee;
    --brass-dark: #c48700;
    --brass-shadow: #523800;
    --brass-gradient: linear-gradient(135deg, #fffbee 0%, #ffd15c 25%, #f5b316 55%, #c48700 80%, #452f00 100%);

    /* Anisotropic Micro-Faceted Pattern */
    --anisotropic-sheen: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.015) 0px,
        rgba(255, 255, 255, 0.06) 2px,
        rgba(255, 255, 255, 0.015) 4px
    );
    
    /* Warm Preview Text Palette */
    --text-primary: #f7ebe1;           /* Warm metallic cream white */
    --text-muted: #d8c4b4;             /* Warm copper-tinted amber cream */
    --text-subtle: #c4a492;            /* Deep copper-amber tone */
    
    --font-heading: 'Cinzel Decorative', 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    /* Dynamic Reactive Specular State */
    --mouse-x-pct: 50%;
    --mouse-y-pct: 50%;
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --specular-angle: 45deg;
}

/* 2. BASE RESET & BODY */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body.anisotropic-body {
    background-color: var(--bg-obsidian-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Ambient Lighting & Canvas */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(150px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.28;
    animation: ambientPulse 8s ease-in-out infinite alternate;
}

@keyframes ambientPulse {
    0% { transform: scale(1) translate(0, 0); opacity: 0.22; }
    50% { transform: scale(1.15) translate(30px, -20px); opacity: 0.32; }
    100% { transform: scale(0.95) translate(-20px, 30px); opacity: 0.25; }
}

.glow-copper {
    width: 650px;
    height: 650px;
    background: var(--copper-primary);
    top: -120px;
    left: -120px;
}

.glow-brass {
    width: 750px;
    height: 750px;
    background: var(--brass-primary);
    bottom: -180px;
    right: -120px;
    animation-delay: -4s;
}

.anisotropic-noise-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: var(--anisotropic-sheen);
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

.anisotropic-canvas {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 0;
    opacity: 0.45;
}

/* Typography Utilities & Metallic Glows */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    letter-spacing: 0.04em;
    font-weight: 700;
    color: var(--text-primary);
}

p {
    color: var(--text-muted);
}

.text-copper-brass {
    background: linear-gradient(135deg, #fffbee 0%, #ffd15c 25%, #ff8533 60%, #e05e1b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(245, 179, 22, 0.35));
}

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

/* 3. BUTTONS & METALLIC BADGES WITH DEEP 3D DEPTH */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.btn::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 70%
    );
    transform: rotate(30deg) translateY(-100%);
    transition: transform 0.8s ease;
    pointer-events: none;
}

.btn:hover::after {
    transform: rotate(30deg) translateY(100%);
}

.btn-metal-copper {
    background: var(--copper-gradient);
    color: #0d0502;
    box-shadow: 
        0 6px 25px rgba(224, 94, 27, 0.45),
        0 2px 4px rgba(0, 0, 0, 0.8),
        inset 0 1px 1px rgba(255, 240, 230, 0.9),
        inset 0 -2px 5px rgba(0, 0, 0, 0.5);
}

.btn-metal-copper:hover {
    transform: translateY(-3px) translateZ(10px);
    box-shadow: 
        0 12px 35px rgba(255, 133, 51, 0.65),
        0 4px 8px rgba(0, 0, 0, 0.9),
        inset 0 1px 1px rgba(255, 255, 255, 1),
        inset 0 -2px 5px rgba(0, 0, 0, 0.6);
}

.btn-metal-brass {
    background: var(--brass-gradient);
    color: #120900;
    box-shadow: 
        0 6px 25px rgba(245, 179, 22, 0.45),
        0 2px 4px rgba(0, 0, 0, 0.8),
        inset 0 1px 1px rgba(255, 252, 230, 0.9),
        inset 0 -2px 5px rgba(0, 0, 0, 0.5);
}

.btn-metal-brass:hover {
    transform: translateY(-3px) translateZ(10px);
    box-shadow: 
        0 12px 35px rgba(255, 209, 92, 0.65),
        0 4px 8px rgba(0, 0, 0, 0.9),
        inset 0 1px 1px rgba(255, 255, 255, 1),
        inset 0 -2px 5px rgba(0, 0, 0, 0.6);
}

.btn-metal-outline {
    background: rgba(14, 17, 26, 0.7);
    color: var(--text-primary);
    border: 1px solid rgba(245, 179, 22, 0.5);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-metal-outline:hover {
    border-color: var(--brass-bright);
    color: var(--brass-bright);
    box-shadow: 0 0 25px rgba(245, 179, 22, 0.4), inset 0 1px 1px rgba(255, 240, 190, 0.6);
    transform: translateY(-2px);
}

.btn-lg { padding: 1.1rem 2.4rem; font-size: 1.08rem; }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.88rem; }
.btn-block { width: 100%; }

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(14, 17, 26, 0.95);
    margin-bottom: 1rem;
}

.metallic-border-copper {
    border: 1px solid rgba(255, 133, 51, 0.6);
    color: var(--copper-bright);
    box-shadow: inset 0 0 12px rgba(255, 133, 51, 0.25), 0 0 15px rgba(224, 94, 27, 0.2);
}

.metallic-border-brass {
    border: 1px solid rgba(245, 179, 22, 0.6);
    color: var(--brass-bright);
    box-shadow: inset 0 0 12px rgba(245, 179, 22, 0.25), 0 0 15px rgba(245, 179, 22, 0.2);
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 10px currentColor;
}

/* 4. ANISOTROPIC METALLIC CARD SYSTEM WITH REACTIVE 3D TILT & LIVE LIGHT SWEEP */
.anisotropic-metal-card {
    position: relative;
    background: var(--bg-obsidian-card);
    border-radius: 14px;
    border: 1px solid rgba(245, 179, 22, 0.35);
    backdrop-filter: blur(16px);
    overflow: hidden;
    transition: transform 0.2s cubic-bezier(0.1, 1, 0.1, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.85),
        0 0 25px rgba(224, 94, 27, 0.18),
        inset 0 1px 1px rgba(255, 240, 190, 0.3),
        inset 0 -2px 10px rgba(0, 0, 0, 0.8);
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* Continuous Ambient Live Specular Light Sweep */
.anisotropic-metal-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        repeating-linear-gradient(
            var(--specular-angle, 45deg),
            rgba(255, 255, 255, 0.015) 0px,
            rgba(255, 255, 255, 0.04) 2px,
            rgba(0, 0, 0, 0.03) 5px
        ),
        linear-gradient(
            var(--specular-angle, 45deg),
            transparent 0%,
            rgba(255, 209, 92, 0.08) 45%,
            rgba(255, 133, 51, 0.15) 50%,
            transparent 55%
        );
    background-size: 200% 200%;
    animation: liveSpecularSweep 12s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes liveSpecularSweep {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
    100% { background-position: 0% 0%; }
}

/* Dual-Layer Reactive Mouse Specular Point & Angle Glare */
.anisotropic-specular-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(
            450px circle at var(--mouse-x-pct) var(--mouse-y-pct),
            rgba(255, 209, 92, 0.35),
            rgba(255, 133, 51, 0.18) 40%,
            transparent 70%
        ),
        conic-gradient(
            from var(--specular-angle) at var(--mouse-x-pct) var(--mouse-y-pct),
            transparent 0deg,
            rgba(255, 240, 190, 0.12) 60deg,
            rgba(255, 133, 51, 0.25) 90deg,
            transparent 120deg
        );
    pointer-events: none;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.anisotropic-metal-card:hover {
    transform: perspective(1000px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)) translateZ(15px);
    border-color: rgba(255, 133, 51, 0.85);
    box-shadow: 
        0 30px 70px rgba(0, 0, 0, 0.95),
        0 0 45px rgba(255, 133, 51, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.8),
        inset 0 -3px 12px rgba(0, 0, 0, 0.9);
}

/* THEME SWITCHER BANNER */
.theme-switcher-bar {
    background: rgba(4, 5, 8, 0.95);
    border-bottom: 1px solid rgba(255, 133, 51, 0.4);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 9999;
    backdrop-filter: blur(15px);
}

.theme-switcher-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--copper-bright);
}

.theme-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
    padding: 0.25rem 0.8rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.theme-btn:hover, .theme-btn.active {
    background: var(--copper-gradient);
    color: #0d0502;
    border-color: transparent;
    box-shadow: 0 0 12px rgba(255, 133, 51, 0.5);
}

/* 5. HEADER & NAVIGATION */
.main-header {
    position: fixed;
    top: 42px;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.2rem 2rem;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    padding: 0.8rem 2rem;
    background: var(--bg-obsidian-glass);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(245, 179, 22, 0.35);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9), 0 0 20px rgba(245, 179, 22, 0.15);
}

.header-container {
    max-width: 1350px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: var(--brass-bright);
    text-shadow: 0 0 12px rgba(245, 179, 22, 0.3);
}

.brand-subtitle {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    color: var(--copper-bright);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--brass-bright);
    text-shadow: 0 0 10px rgba(255, 209, 92, 0.4);
}

.link-bullet {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--copper-bright);
    opacity: 0;
    transition: var(--transition-smooth);
    box-shadow: 0 0 8px var(--copper-bright);
}

.nav-link:hover .link-bullet, .nav-link.active .link-bullet {
    opacity: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--brass-bright);
    transition: var(--transition-smooth);
}

/* 6. HERO SECTION WITH VIBRANT COPPER & BRASS SHINE */
.hero-section {
    padding: 11rem 2rem 6rem 2rem;
    max-width: 1350px;
    margin: 0 auto;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-headline {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 1.6rem;
    color: var(--text-primary);
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.9);
}

.hero-description {
    font-size: 1.18rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    padding-top: 1.8rem;
    border-top: 1px solid rgba(245, 179, 22, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    filter: drop-shadow(0 0 10px rgba(255, 133, 51, 0.4));
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, rgba(245, 179, 22, 0.4), transparent);
}

/* Hero Visual Box with Deep 3D Frame */
.hero-frame-container {
    padding: 1.2rem;
    z-index: 2;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), inset 0 0 15px rgba(0, 0, 0, 0.6);
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-frame-container:hover .hero-image-wrapper img {
    transform: scale(1.06);
}

.hero-caption {
    padding: 1.4rem 0.5rem 0.4rem 0.5rem;
}

.caption-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--brass-bright);
    text-shadow: 0 0 10px rgba(255, 209, 92, 0.3);
}

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

/* 7. UPCOMING ART SHOWS SECTION */
.shows-section {
    padding: 6.5rem 2rem;
    max-width: 1350px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3.8rem;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 0.9rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.section-subtitle {
    font-size: 1.12rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto;
}

/* Controls Bar */
.shows-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2.8rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 420px;
}

.search-input-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--copper-bright);
}

.search-input-wrapper input {
    width: 100%;
    padding: 0.8rem 2.6rem 0.8rem 2.6rem;
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(245, 179, 22, 0.4);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.6);
}

.search-input-wrapper input:focus {
    border-color: var(--copper-bright);
    box-shadow: 0 0 20px rgba(255, 133, 51, 0.35), inset 0 2px 4px rgba(0, 0, 0, 0.6);
}

.clear-search-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}

.filter-pills {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.pill-btn {
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-muted);
    padding: 0.55rem 1.2rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.pill-btn:hover, .pill-btn.active {
    background: var(--copper-gradient);
    color: #0b0502;
    border-color: transparent;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(224, 94, 27, 0.45);
}

.view-toggle {
    display: flex;
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(245, 179, 22, 0.3);
    border-radius: 8px;
    padding: 4px;
}

.view-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.view-btn.active {
    background: rgba(245, 179, 22, 0.3);
    color: var(--brass-bright);
    box-shadow: 0 0 10px rgba(245, 179, 22, 0.3);
}

/* Shows Grid */
.shows-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2.2rem;
}

.shows-grid.timeline-view {
    grid-template-columns: 1fr;
}

.show-card-inner {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
}

.show-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.4rem;
}

.show-date-badge {
    background: var(--copper-gradient);
    color: #0b0502;
    padding: 0.45rem 1rem;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(224, 94, 27, 0.4);
    transform: translateZ(20px);
}

.show-status-tag {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--brass-bright);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.7rem;
    background: rgba(245, 179, 22, 0.18);
    border: 1px solid rgba(245, 179, 22, 0.4);
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(245, 179, 22, 0.2);
}

.show-title {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
    transform: translateZ(15px);
}

.show-details-list {
    margin-bottom: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.show-detail-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.show-highlights {
    font-size: 0.88rem;
    background: rgba(0, 0, 0, 0.45);
    padding: 0.9rem 1.1rem;
    border-radius: 8px;
    border-left: 3px solid var(--copper-bright);
    color: var(--text-muted);
    margin-bottom: 1.6rem;
    margin-top: auto;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.8);
}

.show-card-actions {
    display: flex;
    gap: 0.8rem;
    transform: translateZ(20px);
}

/* Empty State */
.empty-shows-state {
    text-align: center;
    padding: 4.5rem 2rem;
    background: var(--bg-obsidian-card);
    border-radius: 14px;
    border: 1px dashed rgba(245, 179, 22, 0.4);
}

.empty-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.empty-shows-state h3 { font-size: 1.6rem; margin-bottom: 0.6rem; }
.empty-shows-state p { color: var(--text-muted); margin-bottom: 1.8rem; }
.hidden { display: none !important; }

/* 8. GALLERY COLLECTION SECTION */
.gallery-section {
    padding: 6.5rem 2rem;
    max-width: 1350px;
    margin: 0 auto;
}

.gallery-category-tabs {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.gallery-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem 1.4rem;
    position: relative;
    transition: var(--transition-smooth);
}

.gallery-tab:hover, .gallery-tab.active {
    color: var(--brass-bright);
    text-shadow: 0 0 10px rgba(255, 209, 92, 0.4);
}

.gallery-tab::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 0; height: 3px;
    background: var(--copper-gradient);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.gallery-tab.active::after {
    width: 85%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.gallery-card {
    display: flex;
    flex-direction: column;
}

.gallery-img-box {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    z-index: 2;
}

.gallery-img-box img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(4, 5, 8, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(4px);
}

.gallery-card:hover .gallery-img-box img { transform: scale(1.08); }
.gallery-card:hover .gallery-overlay { opacity: 1; }

.gallery-info {
    padding: 1.6rem;
    z-index: 2;
    background: var(--bg-obsidian-surface);
}

.art-tag {
    font-size: 0.78rem;
    color: var(--copper-bright);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.art-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin: 0.4rem 0;
}

.art-specs {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* 9. CRAFTSMANSHIP & PROCESS */
.craftsmanship-section {
    padding: 6.5rem 2rem;
    max-width: 1350px;
    margin: 0 auto;
}

.process-steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.2rem;
}

.process-step-card {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    z-index: 2;
}

.step-num {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1.2rem;
    filter: drop-shadow(0 0 15px rgba(255, 133, 51, 0.4));
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 0.9rem;
    color: var(--brass-bright);
}

.step-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* 10. CUSTOM COMMISSION ESTIMATOR WITH RICH 3D PANEL */
.commission-section {
    padding: 6.5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.commission-card {
    padding: 3.8rem;
    z-index: 2;
}

.estimator-form {
    margin-top: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.form-label {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--brass-bright);
}

.metal-radio-group {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.metal-radio-btn {
    cursor: pointer;
}

.metal-radio-btn input { display: none; }

.radio-chip {
    display: inline-block;
    padding: 0.7rem 1.6rem;
    border-radius: 8px;
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.metal-radio-btn input:checked + .radio-chip {
    border-color: var(--copper-bright);
    background: rgba(224, 94, 27, 0.25);
    color: var(--brass-bright);
    box-shadow: 0 0 20px rgba(255, 133, 51, 0.4);
}

.form-control {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(245, 179, 22, 0.4);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.98rem;
    outline: none;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.custom-range {
    width: 100%;
    accent-color: var(--copper-bright);
    cursor: pointer;
}

.estimate-result-box {
    background: rgba(10, 12, 19, 0.95);
    border: 1px solid rgba(245, 179, 22, 0.5);
    border-radius: 10px;
    padding: 1.8rem;
    text-align: center;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8), 0 0 25px rgba(245, 179, 22, 0.15);
}

.estimate-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.estimate-price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0.4rem 0;
    filter: drop-shadow(0 0 15px rgba(255, 133, 51, 0.4));
}

.estimate-note {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* 11. FOOTER */
.studio-footer {
    background: #030406;
    border-top: 1px solid rgba(245, 179, 22, 0.3);
    padding: 5.5rem 2rem 2.2rem 2rem;
    position: relative;
    z-index: 2;
}

.footer-container {
    max-width: 1350px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4.5rem;
}

.footer-desc {
    color: var(--text-muted);
    margin: 1.2rem 0 1.8rem 0;
    max-width: 380px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 0.94rem;
    color: var(--text-muted);
}

.footer-heading {
    color: var(--brass-bright);
    margin-bottom: 1.4rem;
    font-size: 1.15rem;
    text-shadow: 0 0 10px rgba(255, 209, 92, 0.3);
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-nav a:hover { color: var(--copper-bright); }

.newsletter-form {
    display: flex;
    gap: 0.7rem;
    margin-top: 1.2rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem 1.1rem;
    background: var(--bg-obsidian-surface);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 6px;
    color: var(--text-primary);
    outline: none;
}

.footer-bottom {
    max-width: 1350px;
    margin: 0 auto;
    padding-top: 2.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* 12. MODAL WINDOWS */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(3, 4, 6, 0.88);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.modal-window {
    width: 100%;
    max-width: 620px;
    padding: 2.8rem;
    position: relative;
    z-index: 2;
}

.art-modal-window { max-width: 880px; }

.modal-close {
    position: absolute;
    top: 1.4rem;
    right: 1.8rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
}

.modal-close:hover { color: var(--brass-bright); }

.modal-title {
    font-size: 1.9rem;
    margin: 0.5rem 0;
}

.modal-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin: 1.8rem 0;
}

.m-info-card {
    background: rgba(0, 0, 0, 0.4);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--brass-primary);
}

.m-label { display: block; font-size: 0.8rem; color: var(--text-muted); }
.m-val { font-size: 0.98rem; font-weight: 700; color: var(--text-primary); }

.modal-desc {
    color: var(--text-muted);
    margin-bottom: 2.2rem;
    font-size: 0.98rem;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.art-modal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.2rem;
    align-items: center;
}

.art-modal-img-box {
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.art-modal-img-box img {
    width: 100%; height: 100%; object-fit: cover;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.toast-msg {
    background: var(--bg-obsidian-surface);
    border: 1px solid var(--copper-bright);
    color: var(--text-primary);
    padding: 1rem 1.6rem;
    border-radius: 10px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.9), 0 0 20px rgba(255, 133, 51, 0.4);
    font-weight: 600;
    animation: toastIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
    .hero-content { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; gap: 2.5rem; }
    .art-modal-layout { grid-template-columns: 1fr; }
    .hero-headline { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px; left: 0; width: 100%;
        background: var(--bg-obsidian-surface);
        flex-direction: column;
        padding: 2rem;
        border-bottom: 1px solid rgba(245, 179, 22, 0.4);
        display: none;
    }
    .nav-menu.mobile-open { display: flex; }
    .mobile-toggle { display: flex; }
    .shows-controls-bar { flex-direction: column; align-items: stretch; }
    .search-input-wrapper { max-width: 100%; }
}