/* ============================================================================
   PAWN ISLAND ACADEMY - CHESS THEMED FOOTER WITH GLASSMORPHISM 2025
   Dark Chess Theme with Advanced Animations & Cutting-Edge UX
   ============================================================================ */

/* Chess Footer Variables */
:root {
    /* Dark Chess Color Palette */
    --chess-black: #1a1a1a;
    --chess-dark-gray: #2d2d2d;
    --chess-medium-gray: #404040;

    --chess-gold: #ffd700;
    --chess-amber: #ffed4a;
    --chess-blue: #2c5aa0;
    --chess-white: #ffffff;
    --chess-shadow: rgba(0, 0, 0, 0.8);

    /* Glassmorphism Variables */
    --glass-bg: rgba(26, 26, 26, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    --glass-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-primary: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-brand: 'Cinzel', 'Times New Roman', serif;

    /* Animation */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-medium: 400ms;
    --duration-slow: 600ms;
}

/* ============================================================================
   MAIN FOOTER STYLES
   ============================================================================ */

.chess-footer {
    position: relative;
    width: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 50%, #404040 100%);
    font-family: var(--font-primary);
    overflow: hidden;
    padding: 3rem 0 2rem;
}

/* Glassmorphism Background */
.footer-glass-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Animated Chess Pattern */
.footer-chess-pattern {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    opacity: 0.08;
    background:
        radial-gradient(circle at 25% 25%, var(--chess-blue) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, var(--chess-gold) 1px, transparent 1px),
        linear-gradient(45deg, transparent 48%, var(--chess-medium-gray) 49%, var(--chess-medium-gray) 51%, transparent 52%);
    background-size: 60px 60px, 40px 40px, 120px 120px;
    animation: patternShift 120s linear infinite;
}

@keyframes patternShift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-60px, -60px) rotate(360deg); }
}

/* Floating Chess Pieces */
.footer-chess-pieces {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.chess-piece {
    position: absolute;
    font-size: 2rem;
    color: var(--chess-medium-gray);
    opacity: 0.2;
    animation: float 20s ease-in-out infinite;
}

.chess-piece:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.chess-piece:nth-child(2) { top: 20%; right: 10%; animation-delay: 4s; }
.chess-piece:nth-child(3) { bottom: 30%; left: 15%; animation-delay: 8s; }
.chess-piece:nth-child(4) { bottom: 15%; right: 5%; animation-delay: 12s; }
.chess-piece:nth-child(5) { top: 60%; left: 8%; animation-delay: 16s; }
.chess-piece:nth-child(6) { top: 40%; right: 12%; animation-delay: 20s; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(5deg); }
    50% { transform: translateY(-10px) rotate(-3deg); }
    75% { transform: translateY(-20px) rotate(8deg); }
}

/* Main Container */
.footer-container {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
}

/* ============================================================================
   FOOTER BRAND SECTION
   ============================================================================ */

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-logo {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 0 15px var(--chess-gold));
}

.footer-logo-img {
    width: 100%;
    height: 100%;
    filter: invert(1) sepia(1) saturate(5) hue-rotate(45deg);
}

.footer-logo-img.spinning-logo {
    animation: spinClockwise 12s linear infinite;
}

@keyframes spinClockwise {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

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

.footer-title {
    font-family: var(--font-brand);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg,
        var(--chess-white) 0%,
        var(--chess-gold) 50%,
        var(--chess-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.footer-subtitle {
    color: var(--chess-white);
    font-size: 1rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 0;
}

/* ============================================================================
   SOCIAL LINKS SECTION
   ============================================================================ */

.footer-social {
    margin-bottom: 2rem;
}

.social-title {
    font-family: var(--font-brand);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--chess-gold);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(45, 45, 45, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--chess-white);
    text-decoration: none;
    transition: all var(--duration-medium) var(--ease-smooth);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.2), transparent);
    transition: left var(--duration-slow) var(--ease-smooth);
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover,
.social-link:focus {
    transform: translateY(-4px) scale(1.1);
    border-color: var(--chess-gold);
    color: var(--chess-gold);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.social-link i {
    font-size: 1.2rem;
    transition: transform var(--duration-medium) var(--ease-smooth);
    z-index: 10;
    position: relative;
}

.social-link:hover i {
    transform: scale(1.2);
}

/* ============================================================================
   FOOTER LINKS SECTION
   ============================================================================ */

.footer-links {
    margin-bottom: 2rem;
}

.links-title {
    font-family: var(--font-brand);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--chess-gold);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--chess-white);
    background: rgba(45, 45, 45, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all var(--duration-medium) var(--ease-smooth);
    font-weight: 500;
    backdrop-filter: blur(10px);
    width: fit-content;
    position: relative;
    overflow: hidden;
}

.footer-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.1), transparent);
    transition: left var(--duration-slow) var(--ease-smooth);
}

.footer-link:hover::before {
    left: 100%;
}

.footer-link:hover,
.footer-link:focus {
    transform: translateX(8px);
    border-color: var(--chess-gold);
    color: var(--chess-gold);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}

.footer-link i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    transition: transform var(--duration-medium) var(--ease-smooth);
    z-index: 10;
    position: relative;
}

.footer-link:hover i {
    transform: scale(1.1);
}

/* ============================================================================
   COPYRIGHT SECTION
   ============================================================================ */

.footer-copyright {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    margin-top: 1rem;
}

.copyright-text {
    color: var(--chess-white);
    font-size: 0.9rem;
    line-height: 1.6;
}

.copyright-text p {
    margin: 0.25rem 0;
}

.copyright-text .subtitle {
    font-weight: 500;
    color: var(--chess-white);
}

.copyright-text .rights {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Tablet */
@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        text-align: left;
        padding: 0 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: center;
        text-align: center;
        margin-bottom: 3rem;
    }

    .footer-logo {
        width: 80px;
        height: 80px;
        margin-right: 2rem;
    }

    .footer-title {
        font-size: 2.2rem;
    }

    .footer-subtitle {
        font-size: 1.1rem;
    }

    .social-icons {
        justify-content: flex-start;
        gap: 1.25rem;
    }

    .footer-nav {
        align-items: flex-start;
    }

    .footer-copyright {
        grid-column: 1 / -1;
        text-align: center;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 4rem;
        padding: 0 3rem;
    }

    .footer-brand {
        grid-column: 1;
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
        margin-bottom: 0;
    }

    .footer-logo {
        width: 96px;
        height: 96px;
        margin-right: 0;
        margin-bottom: 1.5rem;
    }

    .footer-title {
        font-size: 2.5rem;
    }

    .footer-subtitle {
        font-size: 1.2rem;
    }

    .footer-social {
        margin-bottom: 0;
    }

    .footer-links {
        margin-bottom: 0;
    }

    .social-icons {
        justify-content: flex-start;
        gap: 1.5rem;
    }

    .social-link {
        width: 52px;
        height: 52px;
    }

    .footer-nav {
        gap: 1rem;
    }

    .footer-copyright {
        grid-column: 1 / -1;
        margin-top: 2rem;
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .footer-container {
        padding: 0 4rem;
        gap: 5rem;
    }

    .footer-logo {
        width: 112px;
        height: 112px;
    }

    .footer-title {
        font-size: 2.8rem;
    }
}

/* ============================================================================
   ACCESSIBILITY & MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.social-link:focus,
.footer-link:focus {
    outline: 2px solid var(--chess-gold);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .chess-footer {
        background: white !important;
        color: black !important;
    }

    .footer-chess-pattern,
    .footer-chess-pieces,
    .footer-glass-bg {
        display: none;
    }
}