:root {
    --gold: #c9a227;
    --gold-light: #e8c547;
    --dark-bg: #0d0d0d;
    --dark-card: #1a1a1a;
    --dark-hover: #252525;
    --text-light: #f5f5f5;
    --text-muted: #a0a0a0;
    --cream: #f5f0e6;
    --chess-white: #f0d9b5;
    --chess-black: #b58863;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
}

*, *::before, *::after {
    box-sizing: border-box;
    max-width: 100%;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 162, 39, 0.2);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-cta {
    background: linear-gradient(135deg, #c9a227 0%, #d4af37 100%);
    color: #0d0d0d;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-cta:hover {
    background: linear-gradient(135deg, #d4af37 0%, #c9a227 100%);
    transform: translateY(-2px);
}

.language-selector {
    background: var(--dark-card);
    color: var(--text-light);
    border: 1px solid rgba(201, 162, 39, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Mobile nav: wrap items */
@media (max-width: 968px) {
    nav {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        overflow-x: hidden;
    }

    .nav-cta, .language-selector {
        width: 100%;
        text-align: center;
    }

    .logo {
        font-size: 1.1rem;
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }

    .logo svg {
        width: 24px;
        height: 24px;
    }

    .nav-links {
        display: none;
    }

    .site-header {
        overflow-x: hidden;
    }
}
    font-size: 1.1rem;
}

.logo svg {
    width: 24px;
    height: 24px;
}}

.nav-cta, .language-selector {
    order: 10;
    margin-top: 0.5rem;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-cta {
    background: var(--gold);
    color: var(--dark-bg);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-cta:hover {
    background: var(--gold-light);
}

.language-selector {
    background: var(--dark-card);
    color: var(--text-light);
    border: 1px solid var(--gold);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 15px;
}

.language-selector:focus {
    outline: none;
    border-color: var(--gold-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1510 100%);
    padding: 6rem 1rem 4rem;
    overflow: hidden;
    max-width: 100vw;
}

.hero-content {
    max-width: 100%;
    overflow-x: hidden;
}
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-light) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gold);
    color: var(--dark-bg);
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 162, 39, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    border: 1px solid var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.hero-visual {
    position: relative;
}

.game-cover {
    width: 100%;
    max-width: 450px;
    border-radius: 12px;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.6),
        0 0 80px rgba(201, 162, 39, 0.15);
    transition: transform 0.4s;
}

.game-cover:hover {
    transform: scale(1.02);
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(201, 162, 39, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201, 162, 39, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #0f0d0a 100%);
}

.screenshots-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.screenshot-card {
    position: relative;
    aspect-ratio: 16/10;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s;
}

.screenshot-card:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.screenshot-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.screenshot-card:hover img {
    transform: scale(1.1);
}

/* Chess Sets Section */
.chess-sets {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.sets-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.set-card {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s;
}

.set-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.set-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.set-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
}

.set-card h3 {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    font-size: 1.1rem;
    color: var(--text-light);
    z-index: 2;
}

/* Pricing Section */
.pricing {
    padding: 6rem 2rem;
    background: var(--dark-bg);
}

.pricing-card {
    max-width: 450px;
    margin: 0 auto;
    background: linear-gradient(145deg, var(--dark-card), #151515);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    border: 2px solid var(--gold);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.price {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gold);
    margin: 1rem 0;
    font-family: 'Playfair Display', serif;
}

.price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.price .original-price {
    font-size: 1.5rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.price .sale-price {
    color: #ff6b6b;
    animation: pulse 2s infinite;
}

.price .sale-badge {
    background: #ff6b6b;
    color: white;
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    font-weight: 600;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.pricing-features li::before {
    content: '✓';
    color: var(--gold);
    font-weight: 700;
}

.pricing-card .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 1.25rem;
    font-size: 1.1rem;
}

.platforms {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.platforms span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
.footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

footer {
    padding: 4rem 2rem 2rem;
    background: #0a0a0a;
    border-top: 1px solid rgba(201, 162, 39, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
    font-family: 'Playfair Display', serif;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-light);
    transition: all 0.3s;
}

/* Play Online Section */
.play-online {
    padding: 4rem 1rem;
    background: linear-gradient(180deg, #0d0d0d 0%, #15120e 100%);
}

.game-options {
    max-width: 900px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1.5rem;
    background: var(--dark-card);
    border-radius: 12px;
    border: 1px solid rgba(201, 162, 39, 0.2);
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.option-group select {
    background: var(--dark-bg);
    color: var(--text-light);
    border: 1px solid rgba(201, 162, 39, 0.3);
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    min-width: 150px;
}

.option-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.chess-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2rem;
    align-items: start;
}

.chess-wrapper {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

#chessboard {
    width: 400px;
    max-width: 100%;
}

/* Hide chessboard.js internal coordinate labels */
#chessboard .alpha-d2270, 
#chessboard .numeric-fc462 {
    display: none !important;
}

/* Hide extra board labels on mobile */
@media (max-width: 968px) {
    .chess-container {
        grid-template-columns: 1fr;
    }

    .chess-info {
        width: 100%;
    }
}

.chessboard-wrapper {
    display: inline-block;
    position: relative;
    background: var(--dark-card);
border-radius: 8px;
    padding: 0;
}

#chessboard {
    width: 400px;
    max-width: 100%;
}

/* Hide chessboard.js internal coordinate labels */
#chessboard .alpha-d2270, 
#chessboard .numeric-fc462 {
    display: none !important;
}

/* Hide extra board labels on mobile */
@media (max-width: 968px) {
    .chess-container {
        grid-template-columns: 1fr;
    }

    .chess-info {
        width: 100%;
    }
}

#chessboard {
    width: 400px;
    max-width: 100%;
}

/* Hide chessboard.js internal coordinate labels */
#chessboard .alpha-d2270, 
#chessboard .numeric-fc462 {
    display: none !important;
}

/* Mobile responsive */
@media (max-width: 968px) {
    .chess-container {
        grid-template-columns: 1fr;
    }

    .chess-info {
        width: 100%;
    }
}

#chessboard {
    width: 400px;
    max-width: 100%;
}

/* Hide chessboard.js internal coordinate labels */
#chessboard .alpha-d2270, 
#chessboard .numeric-fc462 {
    display: none !important;
}

/* Mobile responsive */
@media (max-width: 968px) {
    .chess-container {
        grid-template-columns: 1fr;
    }

    .chess-info {
        width: 100%;
    }
}
        max-width: 100%;
    }

    .chess-info {
        width: 100%;
    }
}
        display: none;
    }
}
        width: 100%;
    }
}

.chess-controls {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.chess-controls .btn-primary,
.chess-controls .btn-secondary {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.chess-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.game-status {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
    font-weight: 600;
    text-align: center;
    color: var(--gold);
}

.analysis-panel {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
}

.analysis-panel h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.eval-bar {
    height: 24px;
    background: var(--dark-bg);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    margin-bottom: 0.75rem;
}

.eval-fill {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, #4a3520, var(--gold));
    transition: all 0.3s;
}

.eval-fill.white-winning {
    left: 0;
    width: 75%;
}

.eval-fill.black-winning {
    left: 25%;
    width: 75%;
}

.eval-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.move-history {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
    max-height: 300px;
    overflow-y: auto;
}

.move-history h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.moves-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.moves-list span {
    background: var(--dark-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: var(--text-muted);
}

.moves-list span.white-move {
    color: var(--text-light);
}

.moves-list span:hover {
    background: var(--dark-hover);
    cursor: pointer;
}

/* Puzzle Section */
.puzzle-section {
    padding: 4rem 2rem;
    background: var(--dark-bg);
}

.puzzle-section .section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.puzzle-section .section-header h2 {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.puzzle-section .section-header p {
    color: var(--text-muted);
}

.puzzle-container {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.puzzle-board-wrapper {
    position: relative;
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
}

#puzzleBoard {
    position: relative;
    width: 350px;
    margin: 0;
}

#puzzleBoard .square-55d63 {
    position: relative;
}

.puzzle-board-wrapper .board-labels {
    position: absolute;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    z-index: 10;
}

.puzzle-board-wrapper .board-labels.files {
    bottom: 2px;
    right: 3px;
    width: 100%;
    height: 16px;
}

.puzzle-board-wrapper .board-labels.files span {
    position: absolute;
    width: 12.5%;
    text-align: right;
    line-height: 16px;
    padding-right: 2px;
    box-sizing: border-box;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1),
.puzzle-board-wrapper .board-labels.files span:nth-child(3),
.puzzle-board-wrapper .board-labels.files span:nth-child(5),
.puzzle-board-wrapper .board-labels.files span:nth-child(7) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(2),
.puzzle-board-wrapper .board-labels.files span:nth-child(4),
.puzzle-board-wrapper .board-labels.files span:nth-child(6),
.puzzle-board-wrapper .board-labels.files span:nth-child(8) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1) { right: 0; }
.puzzle-board-wrapper .board-labels.files span:nth-child(2) { right: 12.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(3) { right: 25%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(4) { right: 37.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(5) { right: 50%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(6) { right: 62.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(7) { right: 75%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(8) { right: 87.5%; }

.puzzle-board-wrapper .board-labels.ranks {
    top: 2px;
    left: 3px;
    width: 16px;
    height: 100%;
}

.puzzle-board-wrapper .board-labels.ranks span {
    position: absolute;
    width: 16px;
    height: 12.5%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    box-sizing: border-box;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(2),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1) { top: 0; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(2) { top: 12.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3) { top: 25%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4) { top: 37.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5) { top: 50%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6) { top: 62.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) { top: 75%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) { top: 87.5%; }

.puzzle-info {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    text-align: center;
}

#puzzleBoard {
    position: relative;
    margin: 0;
}

#puzzleBoard .square-55d63 {
    position: relative;
}

.puzzle-board-wrapper .board-labels {
    position: absolute;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    z-index: 10;
}

.puzzle-board-wrapper .board-labels.files {
    bottom: 2px;
    right: 3px;
    width: 100%;
    height: 16px;
}

.puzzle-board-wrapper .board-labels.files span {
    position: absolute;
    width: 12.5%;
    text-align: right;
    line-height: 16px;
    padding-right: 2px;
    box-sizing: border-box;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1),
.puzzle-board-wrapper .board-labels.files span:nth-child(3),
.puzzle-board-wrapper .board-labels.files span:nth-child(5),
.puzzle-board-wrapper .board-labels.files span:nth-child(7) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(2),
.puzzle-board-wrapper .board-labels.files span:nth-child(4),
.puzzle-board-wrapper .board-labels.files span:nth-child(6),
.puzzle-board-wrapper .board-labels.files span:nth-child(8) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1) { right: 0; }
.puzzle-board-wrapper .board-labels.files span:nth-child(2) { right: 12.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(3) { right: 25%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(4) { right: 37.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(5) { right: 50%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(6) { right: 62.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(7) { right: 75%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(8) { right: 87.5%; }

.puzzle-board-wrapper .board-labels.ranks {
    top: 2px;
    left: 3px;
    width: 16px;
    height: 100%;
}

.puzzle-board-wrapper .board-labels.ranks span {
    position: absolute;
    width: 16px;
    height: 12.5%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    box-sizing: border-box;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(2),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1) { top: 0; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(2) { top: 12.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3) { top: 25%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4) { top: 37.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5) { top: 50%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6) { top: 62.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) { top: 75%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) { top: 87.5%; }

#puzzleBoard {
    width: 350px;
    max-width: 100%;
}

.puzzle-info {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.puzzle-themes {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.puzzle-themes span {
    background: var(--dark-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.puzzle-controls {
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.puzzle-feedback {
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    min-height: 50px;
}

.puzzle-feedback.correct {
    background: rgba(39, 174, 96, 0.2);
    color: #27ae60;
}

.puzzle-feedback.incorrect {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
}

.puzzle-feedback.hint {
    background: rgba(241, 196, 15, 0.2);
    color: #f1c40f;
}

.puzzle-moves {
    font-size: 0.9rem;
    color: var(--text-muted);
    min-height: 60px;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.puzzle-moves .move-item {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--dark-bg);
}

.puzzle-moves .move-item:first-child {
    color: var(--gold);
    font-weight: 600;
}

.puzzle-controls .btn-primary {
    margin-top: auto;
}

@media (max-width: 768px) {
    .puzzle-container {
        grid-template-columns: 1fr;
    }
    
.puzzle-board-wrapper {
    display: inline-block;
    position: relative;
    background: var(--dark-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(201, 162, 39, 0.2);
}

.puzzle-board-wrapper #puzzleBoard {
    margin: 0;
}

.puzzle-board-wrapper .board-labels {
    position: absolute;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    z-index: 10;
}

.puzzle-board-wrapper .board-labels.files {
    bottom: 2px;
    right: 3px;
    width: 100%;
    height: 16px;
}

.puzzle-board-wrapper .board-labels.files span {
    position: absolute;
    width: 12.5%;
    text-align: right;
    line-height: 16px;
    padding-right: 2px;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1),
.puzzle-board-wrapper .board-labels.files span:nth-child(3),
.puzzle-board-wrapper .board-labels.files span:nth-child(5),
.puzzle-board-wrapper .board-labels.files span:nth-child(7) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(2),
.puzzle-board-wrapper .board-labels.files span:nth-child(4),
.puzzle-board-wrapper .board-labels.files span:nth-child(6),
.puzzle-board-wrapper .board-labels.files span:nth-child(8) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.files span:nth-child(1) { right: 0; }
.puzzle-board-wrapper .board-labels.files span:nth-child(2) { right: 12.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(3) { right: 25%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(4) { right: 37.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(5) { right: 50%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(6) { right: 62.5%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(7) { right: 75%; }
.puzzle-board-wrapper .board-labels.files span:nth-child(8) { right: 87.5%; }

.puzzle-board-wrapper .board-labels.ranks {
    top: 2px;
    left: 3px;
    width: 16px;
    height: 100%;
}

.puzzle-board-wrapper .board-labels.ranks span {
    position: absolute;
    width: 16px;
    height: 12.5%;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) {
    color: #b58863;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(2),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6),
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) {
    color: #f0d9b5;
}

.puzzle-board-wrapper .board-labels.ranks span:nth-child(1) { top: 0; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(2) { top: 12.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(3) { top: 25%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(4) { top: 37.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(5) { top: 50%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(6) { top: 62.5%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(7) { top: 75%; }
.puzzle-board-wrapper .board-labels.ranks span:nth-child(8) { top: 87.5%; }

#puzzleBoard {
        width: 300px;
    }
}

/* Chessboard puzzle highlights */
#puzzleBoard .highlight1-32417,
#puzzleBoard .highlight2-9c5d2 {
    box-shadow: inset 0 0 0 4px var(--gold) !important;
    background-color: rgba(201, 162, 39, 0.3) !important;
}

/* Chessboard custom styling */
.white-1e1d7 {
    background-color: #f0d9b5 !important;
}

.black-3c85d {
    background-color: #b58863 !important;
}

/* Tap to move styling */
.selected-square {
    box-shadow: inset 0 0 0 4px var(--gold) !important;
    background-color: rgba(201, 162, 39, 0.4) !important;
}

.possible-move {
    box-shadow: inset 0 0 0 3px var(--gold) !important;
}

.hover-move {
    box-shadow: inset 0 0 0 2px rgba(201, 162, 39, 0.5) !important;
}

.hover-move::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 35%;
    height: 35%;
    background: #000000;
    border-radius: 50%;
    pointer-events: none;
}

.move-indicator,
.capture-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}

.move-indicator {
    width: 35%;
    height: 35%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.move-dot {
    width: 40%;
    height: 40%;
    background: #000000;
    border-radius: 50%;
}

.move-indicator {
    width: 35%;
    height: 35%;
    background: #000000;
}

.capture-indicator {
    width: 80%;
    height: 80%;
    border: 4px solid #000000;
    background: transparent;
}

.capture-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30%;
    height: 30%;
    background: #000000;
    border-radius: 50%;
}

#chessboard .square-55d63 {
    cursor: pointer;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text .subtitle {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .game-cover {
        max-width: 350px;
        margin: 0 auto;
    }

    .sets-grid {
        grid-template-columns: repeat(2, 1fr);
    }

.footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.5rem 0.75rem;
        justify-content: center;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .pricing-card {
        padding: 2rem;
    }

    .price {
        font-size: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .sets-grid {
        grid-template-columns: 1fr;
    }

    .chess-container {
        grid-template-columns: 1fr;
    }

    #chessboard {
        width: 100%;
        max-width: 350px;
    }
}