/* ==================== VARIABLES Y ESTILOS BASE ==================== */
:root {
    --primary-dark: #1a5f5f;
    --secundary-dark: #072020;
    --primary-light: #e8dcc8;
    --accent-gold: #d4af37;
    --text-dark: #1a1a1a;
    --text-light: #f5f5f5;
    --bg-gradient: linear-gradient(135deg, #1a5f5f 0%, #0d3535 100%);
    --bg-gradient-alt: linear-gradient(135deg, #cac7c0 0%, #b3aca1 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Nova Square', sans-serif;
}

/* ==================== NAVEGACIÓN CIRCULAR ==================== */
.circular-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
}

.menu-toggle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--primary-light);
    background: rgba(26, 95, 95, 0.9);
    backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(26, 95, 95, 0.5);
    position: relative;
    z-index: 1001;
}

.menu-toggle img {
    width: 70%;
    height: 70%;
    border-radius: 50%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.menu-toggle:hover {
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
    border-color: var(--accent-gold);
    transform: scale(1.1);
}

.menu-toggle.active img {
    transform: rotate(360deg);
}

.nav-menu {
    position: absolute;
    top: 1px;
    left: 50%;
    display: flex;
    list-style: none;
    padding: 15px 0;
    margin: 0;
    justify-content: center;
    align-items: center;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center center;
    transition: all 0.5s ease;
    opacity: 0;
    pointer-events: none;
    background: rgba(26, 95, 95, 0.95);
    border-radius: 30px;
    border: 2px solid var(--primary-light);
    box-shadow: 0 8px 32px rgba(26, 95, 95, 0.5);
    z-index: 1000;
    gap: 10px;
}

.nav-menu li {
    margin: 0;
    transition: all 0.3s ease;
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: fit-content;
}

.nav-menu li a {
    display: block;
    padding: 10px 50px 10px 50px;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
    white-space: nowrap;
    font-weight: 600;
    font-size: 14px;
}

.nav-menu li a:hover {
    background-color: rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    color: var(--accent-gold);
}

.nav-menu.active {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
    pointer-events: auto;
}

/* ==================== SECCIONES GENERALES ==================== */
section {
    padding: 80px 20px;
    width: 100%;
}

section h2 {
    font-size: 3em;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* ==================== SECCIÓN HERO (INICIO) ==================== */
.hero {
    background: url('assets/img/fondo.jpeg') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 120px;
}

.hero-content h1 {
    font-size: 4.5em;
    color: var(--accent-gold);
    margin-bottom: 10px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
    animation: slideDown 0.8s ease-out;
}

.hero-content h2 {
    font-size: 2.5em;
    color: var(--primary-light);
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.5em;
    color: var(--accent-gold);
    margin-bottom: 20px;
    font-weight: 700;
}

.description {
    font-size: 1.1em;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

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

/* ==================== BOTONES ==================== */
.btn {
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), #c19a1b);
    color: var(--text-dark);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
    background: var(--primary-dark);
    color: var(--primary-light);
    border: 2px solid var(--primary-light);
}

.btn-secondary:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.btn-large {
    padding: 20px 50px;
    font-size: 1.2em;
}

/* ==================== SECCIÓN INSCRIPCIÓN ==================== */
.inscription {
    background: linear-gradient(135deg, #0d3535 0%, #1a5f5f 100%);
}

.inscription h3 {
    color: var(--primary-light);
    text-align: center;
    padding-bottom: 20px;
}

.inscription-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.inscription-form {
    background: rgba(232, 220, 200, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid var(--primary-light);
    text-align: center;
}

.inscription-text {
    font-size: 1.3em;
    color: var(--text-light);
    margin-bottom: 30px;
}

.inscription-note {
    font-size: 0.9em;
    color: var(--primary-light);
    margin-top: 20px;
    font-style: italic;
}

/* ==================== TABLERO DE AJEDREZ ==================== */
.chess-board-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(232, 220, 200, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid var(--primary-light);
}

.chess-board-container h3 {
    color: var(--primary-light);
    margin-bottom: 10px;
    font-size: 1.5em;
}

.board-description {
    color: var(--primary-light);
    font-size: 0.95em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.chessboard {
    display: inline-grid;
    grid-template-columns: repeat(8, 50px);
    gap: 0;
    border: 3px solid var(--primary-dark);
    background: var(--primary-dark);
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.square {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    user-select: none;
}

.square:hover {
    opacity: 0.9;
}

.move-indicator {
    width: 16px;
    height: 16px;
    background: rgba(212, 175, 55, 0.8);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.4);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.piece {
    font-size: 2em;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
    position: relative;
    z-index: 10;
}

.piece:hover {
    transform: scale(1.1);
}

/* ==================== SECCIÓN SOBRE AJEDREZ ==================== */
.about {
    background: var(--bg-gradient-alt);
}

.about h2 {
    color: var(--secundary-dark);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background: rgba(232, 220, 200, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 15px;
    border: 2px solid var(--primary-dark);   
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.3);
    border-color: var(--accent-gold);
}

.about-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.about-card h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 1.5em;
}

.about-card p {
    color: var(--text-dark);
    font-size: 1em;
    line-height: 1.6;
}

/* ==================== SECCIÓN REGLAS ==================== */
.rules {
    background: linear-gradient(135deg, #0d3535 0%, #1a5f5f 100%);
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.rule-card {
    background: rgba(232, 220, 200, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid var(--primary-light);
    transition: all 0.3s ease;
}

.rule-card:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--accent-gold);
    transform: translateY(-5px);
}

.rule-card h3 {
    color: var(--accent-gold);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.rule-card p {
    color: var(--text-light);
    font-size: 0.95em;
    line-height: 1.6;
}

/* ==================== SECCIÓN PREMIOS ==================== */
.prizes {
    background: var(--bg-gradient-alt);
}

.prizes h2 {
    color: var(--secundary-dark);
}

.prizes-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.prize-card {
    background: rgba(232, 220, 200, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.prize-card:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.prize-card.gold {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
    height: 100% ;
    padding: 40px;
    margin-top: -20px;
}

.prize-card.silver {
    border-color: #c0c0c0;
    background: rgba(192, 192, 192, 0.1);
    height: 90%; 
    padding: 40px;
    margin-top: 20px;
}

.prize-card.bronze {
    border-color: #cd7f32;
    background: rgba(205, 127, 50, 0.1);
    height: 80%;
    margin-top: 70px;
}

.medal {
    font-size: 3em;
    margin-bottom: 15px;
}

.prize-card h3 {
    color: var(--primary-dark);
    font-size: 1.8em;
    margin-bottom: 10px;
}

.prize-amount {
    color: var(--accent-gold);
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 25px;
}

.prize-details {
    list-style: none;
    color: var(--text-dark);
    font-size: 0.95em;
}

.prize-details li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(232, 220, 200, 0.2);
}

.prize-details li:last-child {
    border-bottom: none;
}

/* ==================== FOOTER ==================== */
.footer {
    background: #0a2a2a;
    border-top: 3px solid var(--primary-dark);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 40px;
}

.footer-section h4 {
    color: var(--accent-gold);
    margin-bottom: 15px;
    font-size: 1.3em;
}

.footer-section p {
    color: var(--text-light);
    margin-bottom: 10px;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(232, 220, 200, 0.2);
    color: var(--primary-light);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    section {
        padding: 60px 15px;
    }

    section h2 {
        font-size: 2em;
    }

    .hero-content h1 {
        font-size: 2.5em;
    }

    .hero-content h2 {
        font-size: 1.8em;
    }

    .inscription-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .nav-menu {
        width: auto;
        gap: 5px;
    }

    .nav-menu li a {
        padding: 8px 12px;
        font-size: 12px;
    }

    .chessboard {
        grid-template-columns: repeat(8, 40px);
    }

    .square {
        width: 40px;
        height: 40px;
    }

    .piece {
        font-size: 1.5em;
    }

    .about-card,
    .rule-card,
    .prize-card {
        padding: 25px;
    }

    .prize-card:hover {
        transform: scale(1.02) translateY(-5px);
    }
}