/* === Base Styles & Variables === */
:root {
    --blue: #4ECDC4;
    --blue-dark: #3BA99C;
    --green: #7ED957;
    --green-dark: #5FB840;
    --orange: #FF9F43;
    --orange-dark: #E8872B;
    --purple: #A66DD4;
    --purple-dark: #8B52B8;
    --pink: #FF6B9D;
    --pink-dark: #E84D7F;
    --red: #FF6B6B;
    --red-dark: #E84D4D;
    --yellow: #FFD93D;
    --yellow-dark: #E8C126;
    --teal: #20B2AA;
    --teal-dark: #178F89;

    --bg-primary: #FFF9F0;
    --bg-secondary: #FFFFFF;
    --text-primary: #2D3436;
    --text-secondary: #636E72;

    --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
    --border-radius-lg: 30px;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* === Floating Background Shapes === */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--pink), var(--purple));
    bottom: 20%;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--yellow), var(--orange));
    top: 40%;
    right: 5%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--green), var(--teal));
    bottom: 10%;
    right: 20%;
    animation-delay: -15s;
}

.shape-5 {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--purple), var(--blue));
    top: 60%;
    left: 10%;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg) scale(0.95);
    }
    75% {
        transform: translate(20px, 30px) rotate(270deg) scale(1.05);
    }
}

/* === Header === */
header {
    text-align: center;
    padding: 40px 20px 30px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 50%, var(--pink) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.header-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    filter: drop-shadow(3px 3px 0 rgba(0, 0, 0, 0.2));
}

.tagline {
    font-size: 1.3rem;
    margin-top: 10px;
    opacity: 0.95;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* === Main Content === */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* === Game Sections === */
.game-section {
    margin-bottom: 50px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    padding-left: 10px;
}

.section-icon {
    font-size: 2.2rem;
}

.section-header h2 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* === Games Grid === */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 25px;
}

/* === Game Cards === */
.game-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 4px solid transparent;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
}

.game-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

/* Card Color Variations */
.card-blue::before { background: var(--blue); }
.card-blue:hover { border-color: var(--blue); }
.card-blue .play-btn { background: var(--blue); }
.card-blue .play-btn:hover { background: var(--blue-dark); }

.card-green::before { background: var(--green); }
.card-green:hover { border-color: var(--green); }
.card-green .play-btn { background: var(--green); }
.card-green .play-btn:hover { background: var(--green-dark); }

.card-orange::before { background: var(--orange); }
.card-orange:hover { border-color: var(--orange); }
.card-orange .play-btn { background: var(--orange); }
.card-orange .play-btn:hover { background: var(--orange-dark); }

.card-purple::before { background: var(--purple); }
.card-purple:hover { border-color: var(--purple); }
.card-purple .play-btn { background: var(--purple); }
.card-purple .play-btn:hover { background: var(--purple-dark); }

.card-pink::before { background: var(--pink); }
.card-pink:hover { border-color: var(--pink); }
.card-pink .play-btn { background: var(--pink); }
.card-pink .play-btn:hover { background: var(--pink-dark); }

.card-red::before { background: var(--red); }
.card-red:hover { border-color: var(--red); }
.card-red .play-btn { background: var(--red); }
.card-red .play-btn:hover { background: var(--red-dark); }

.card-yellow::before { background: var(--yellow); }
.card-yellow:hover { border-color: var(--yellow); }
.card-yellow .play-btn { background: var(--yellow); color: var(--text-primary); }
.card-yellow .play-btn:hover { background: var(--yellow-dark); }

.card-teal::before { background: var(--teal); }
.card-teal:hover { border-color: var(--teal); }
.card-teal .play-btn { background: var(--teal); }
.card-teal .play-btn:hover { background: var(--teal-dark); }

/* Grade Level Badge */
.grade-badge {
    position: absolute;
    top: 18px;
    right: 15px;
    background: rgba(0, 0, 0, 0.08);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-blue .grade-badge { background: rgba(78, 205, 196, 0.2); color: var(--blue-dark); }
.card-green .grade-badge { background: rgba(126, 217, 87, 0.2); color: var(--green-dark); }
.card-orange .grade-badge { background: rgba(255, 159, 67, 0.2); color: var(--orange-dark); }
.card-purple .grade-badge { background: rgba(166, 109, 212, 0.2); color: var(--purple-dark); }
.card-pink .grade-badge { background: rgba(255, 107, 157, 0.2); color: var(--pink-dark); }
.card-red .grade-badge { background: rgba(255, 107, 107, 0.2); color: var(--red-dark); }
.card-yellow .grade-badge { background: rgba(255, 217, 61, 0.3); color: #b8960a; }
.card-teal .grade-badge { background: rgba(32, 178, 170, 0.2); color: var(--teal-dark); }

.card-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.game-card:hover .card-icon {
    transform: scale(1.15) rotate(-5deg);
    animation: wiggle 0.5s ease;
}

@keyframes wiggle {
    0%, 100% { transform: scale(1.15) rotate(-5deg); }
    25% { transform: scale(1.15) rotate(5deg); }
    50% { transform: scale(1.15) rotate(-5deg); }
    75% { transform: scale(1.15) rotate(5deg); }
}

.game-card h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.game-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 18px;
    flex-grow: 1;
}

.play-btn {
    padding: 12px 35px;
    border: none;
    border-radius: 50px;
    color: white;
    font-family: 'Fredoka', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.play-btn:active {
    transform: scale(0.98);
}

/* === Coming Soon Section === */
.coming-soon {
    background: linear-gradient(135deg, var(--yellow) 0%, var(--orange) 100%);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    text-align: center;
    margin-top: 40px;
    box-shadow: var(--shadow-soft);
}

.coming-soon-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.coming-soon h2 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    color: white;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
}

.coming-soon p {
    font-size: 1.1rem;
    color: white;
    opacity: 0.95;
}

.sparkle {
    font-size: 2rem;
    animation: sparkle 1.5s infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(15deg);
        opacity: 0.8;
    }
}

/* === Footer === */
footer {
    background: var(--text-primary);
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 30px;
}

.footer-content p {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.footer-sub {
    opacity: 0.7;
    font-size: 0.95rem;
}

/* === Responsive Design === */
@media (max-width: 768px) {
    .header-logo {
        max-width: 350px;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .games-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }

    .game-card {
        padding: 20px;
    }

    .card-icon {
        width: 64px;
        height: 64px;
    }

    .shape {
        opacity: 0.25;
    }
}

@media (max-width: 480px) {
    header {
        padding: 30px 15px 25px;
    }

    .header-logo {
        max-width: 280px;
    }

    main {
        padding: 20px 15px;
    }

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

    .coming-soon {
        padding: 30px 20px;
    }

    .coming-soon h2 {
        font-size: 1.4rem;
    }
}

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

/* Focus styles for keyboard navigation */
.game-card:focus {
    outline: 4px solid var(--purple);
    outline-offset: 4px;
}

.play-btn:focus {
    outline: 3px solid white;
    outline-offset: 2px;
}