/* --- CSS VARIABLES & RESET --- */
:root {
    /* Tekwill Academy Kids (Light Blue Base) */
    --color-kids-blue: #6abde2;
    --color-kids-blue-light: rgba(106, 189, 226, 0.15);
    
    /* Tekwill Jr (Orange / Dark Blue Base) */
    --color-jr-orange: #f37021;
    --color-jr-orange-light: rgba(243, 112, 33, 0.15);
    --color-jr-blue: #1b365d;

    /* Base Colors for Light Theme */
    --color-bg: #fdfdfd;
    --color-white: #ffffff;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;

    /* Shadow & Transition */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

/* Background Decor Shapes */
.background-decor {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.6;
}
.decor-top-left {
    top: -150px;
    left: -150px;
    width: 600px;
    height: 600px;
    background-color: var(--color-kids-blue-light);
}
.decor-bottom-right {
    bottom: -150px;
    right: -150px;
    width: 700px;
    height: 700px;
    background-color: var(--color-jr-orange-light);
}

/* Main Container */
.container {
    max-width: 1000px;
    width: 100%;
    padding: 4rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
    position: relative;
    z-index: 1;
}

/* Header & Logos */
.logos-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 3rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255,255,255,0.6);
}
.logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 70px;
}
.logo {
    max-height: 100%;
    max-width: 220px;
    object-fit: contain;
}
.divider {
    width: 2px;
    height: 50px;
    background-color: var(--color-border);
    border-radius: 2px;
}

/* Welcome Section */
.welcome-section {
    text-align: center;
    padding: 0 1rem;
}
.welcome-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    /* Gradient text using both brands' colors smoothly */
    background: linear-gradient(135deg, var(--color-kids-blue) 0%, var(--color-jr-blue) 50%, var(--color-jr-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}
.welcome-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 750px;
    margin: 0 auto;
}

/* Rules Grid */
.rules-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.rules-heading {
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    color: var(--color-text-main);
}
.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
}
.rule-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.7);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
}
.rule-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(226, 232, 240, 1);
}
.rule-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}
.rule-card:hover .rule-icon {
    transform: scale(1.05);
}
.rule-icon.kids-theme {
    background-color: var(--color-kids-blue-light);
    color: var(--color-kids-blue);
}
.rule-icon.jr-theme {
    background-color: var(--color-jr-orange-light);
    color: var(--color-jr-orange);
}
.rule-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-text-main);
}
.rule-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* Card Decorative Top Indicator */
.rule-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    transition: var(--transition);
}
.rule-card:nth-child(add)::before {
    background-color: var(--color-kids-blue);
}
.rule-card:nth-child(even)::before {
    background-color: var(--color-jr-orange);
}
/* Adjust odd explicitly since nth-child(add) is invalid */
.rule-card:nth-child(odd)::before {
    background-color: var(--color-kids-blue);
}
.rule-card:hover::before {
    height: 8px;
}

/* CTA Section */
.cta-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

/* Custom Checkbox styles */
.checkbox-container {
    display: inline-flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 1.1rem;
    user-select: none;
    gap: 1rem;
    text-align: left;
    max-width: 600px;
}
.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkmark-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
}
.checkmark {
    height: 26px;
    width: 26px;
    background-color: #f1f5f9;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}
.checkbox-container:hover input ~ .checkmark-wrapper .checkmark {
    border-color: var(--color-kids-blue);
}
.checkbox-container input:checked ~ .checkmark-wrapper .checkmark {
    background-color: var(--color-kids-blue);
    border-color: var(--color-kids-blue);
}
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 8px;
    top: 3px;
    width: 6px;
    height: 13px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.checkbox-container input:checked ~ .checkmark-wrapper .checkmark:after {
    display: block;
}
.checkbox-text {
    font-weight: 500;
    color: var(--color-text-main);
}

/* Buttons */
.primary-btn {
    background-color: var(--color-jr-blue);
    color: var(--color-white);
    border: none;
    padding: 1.15rem 3rem;
    border-radius: 50px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    box-shadow: 0 8px 20px -5px rgba(27, 54, 93, 0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.primary-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px -5px rgba(27, 54, 93, 0.5);
    background-color: #14284b;
}
.primary-btn:disabled {
    background-color: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
        gap: 2.5rem;
    }
    .logos-section {
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }
    .divider {
        width: 60%;
        height: 1px;
    }
    .welcome-title {
        font-size: 2rem;
    }
    .welcome-subtitle {
        font-size: 1rem;
    }
    .rules-grid {
        grid-template-columns: 1fr;
    }
    .rule-card {
        padding: 2rem 1.5rem;
    }
    .primary-btn {
        width: 100%;
        padding: 1rem;
    }
}

/* --- Form Styles --- */
.form-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.7);
    max-width: 800px;
    margin: 0 auto;
}
.text-center {
    text-align: center;
}
.mt-4 {
    margin-top: 2rem;
}
.registration-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.form-group label {
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 1.05rem;
}
.required {
    color: var(--color-jr-orange);
}
.form-group input[type="text"],
.form-group input[type="date"] {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text-main);
    background-color: #fdfdfd;
    transition: var(--transition);
}
.form-group input[type="text"]:focus,
.form-group input[type="date"]:focus {
    outline: none;
    border-color: var(--color-kids-blue);
    box-shadow: 0 0 0 4px var(--color-kids-blue-light);
}
.checkbox-group, .radio-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}
.checkbox-container.simple, .radio-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-main);
}
.radio-container input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}
.radio-mark {
    height: 22px;
    width: 22px;
    background-color: #f1f5f9;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    position: relative;
    transition: var(--transition);
}
.radio-container:hover input ~ .radio-mark {
    border-color: var(--color-kids-blue);
}
.radio-container input:checked ~ .radio-mark {
    background-color: var(--color-white);
    border-color: var(--color-kids-blue);
}
.radio-mark:after {
    content: "";
    position: absolute;
    display: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-kids-blue);
}
.radio-container input:checked ~ .radio-mark:after {
    display: block;
}
.info-text.small {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}
.form-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.secondary-btn {
    text-decoration: none;
    color: var(--color-text-main);
    font-weight: 500;
    padding: 1.15rem 2rem;
    border-radius: 50px;
    background-color: #f1f5f9;
    transition: var(--transition);
    border: 1px solid transparent;
}
.secondary-btn:hover {
    background-color: #e2e8f0;
}
.submit-btn {
    min-width: 200px;
}
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}
.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}
.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .form-section {
        padding: 2rem 1.5rem;
    }
    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }
    .form-actions > * {
        width: 100%;
        text-align: center;
    }
}