/* Theme Variables - Pastel Palette */
:root {
    /* Pastel brand colors */
    --primary-color: #7FB3D5; /* pastel blue */
    --secondary-color: #F5B7B1; /* pastel coral/pink */
    --accent-color: #AED6F1; /* lighter accent blue */
    --success-color: #A9DFBF; /* pastel green */
    --warning-color: #F9E79F; /* pastel yellow */
    --error-color: #F5B7B1; /* reuse pastel pink for error */

    /* Neutrals */
    --dark-color: #2E4053;
    --text-color: #2E4053;
    --light-gray: #FAFAFB;
    --text-gray: #6B7A90;
    --border-color: #E9EEF5;

    /* Radius, spacing, motion */
    --spacing-unit: 8px;
    --border-radius: 12px;
    --transition: all 0.35s ease;
}

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

body {
    font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
    background: linear-gradient(180deg, #FFFFFF 0%, #FDFEFE 30%, #F7FBFE 100%);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* Spacing Utilities */
.py-6 {
    padding-top: calc(var(--spacing-unit) * 10);
    padding-bottom: calc(var(--spacing-unit) * 10);
}

/* Fixed Navigation */
.navbar {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 8px 20px rgba(127,179,213,0.15);
    padding: 0.85rem 0;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    letter-spacing: -0.01em;
}

.navbar-brand i {
    color: var(--secondary-color);
}

.navbar-light .nav-link, .navbar-dark .nav-link {
    color: var(--text-color);
    font-weight: 600;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.navbar-light .nav-link:hover,
.navbar-light .nav-link.active,
.navbar-dark .nav-link:hover,
.navbar-dark .nav-link.active {
    color: var(--primary-color);
}

.navbar-light .nav-link::after, .navbar-dark .nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-light .nav-link:hover::after,
.navbar-light .nav-link.active::after,
.navbar-dark .nav-link:hover::after,
.navbar-dark .nav-link.active::after {
    width: 100%;
}

.btn-register {
    background: var(--secondary-color);
    color: #2E4053 !important;
    border-radius: 999px;
    padding: 0.5rem 1.25rem !important;
    margin-left: 1rem;
    font-weight: 700;
    border: 2px solid rgba(46,64,83,0.06);
    box-shadow: 0 4px 12px rgba(245,183,177,0.45);
}

.btn-register:hover {
    background: #F7C4BE;
    transform: translateY(-1px);
}

.btn-register::after {
    display: none;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient( circle at 20% 20%, rgba(255,255,255,0.45) 0, rgba(255,255,255,0) 40% ),
                radial-gradient( circle at 80% 0%, rgba(255,255,255,0.3) 0, rgba(255,255,255,0) 35% );
    opacity: 0.6;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.0), rgba(46,64,83,0.08));
}

.hero-content {
    position: relative;
    z-index: 2;
}

.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* Buttons */
.card {
    border-radius: var(--border-radius);
}

.card:hover {
    transform: translateY(-2px);
    transition: var(--transition);
    box-shadow: 0 10px 24px rgba(0,0,0,0.05) !important;
}

/* Buttons */
.btn-primary {
    background: #5FB0EE; /* brighter azure for higher contrast */
    border: none;
    border-radius: var(--border-radius);
    font-weight: 800;
    padding: 0.95rem 2.1rem;
    transition: var(--transition);
    letter-spacing: 0.015em;
    color: #0b2a3d;
    box-shadow: 0 10px 26px rgba(95,176,238,0.5), 0 0 0 3px rgba(255,255,255,0.2) inset;
}

.btn-primary:hover,
.btn-primary:focus {
    background: #3ba0f0;
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(59,160,240,0.55), 0 0 0 4px rgba(255,255,255,0.22) inset;
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Apply button variant matching header Apply color */
.btn-apply {
    background: var(--secondary-color);
    color: #2E4053 !important;
    border-radius: var(--border-radius);
    font-weight: 800;
    padding: 0.95rem 2.1rem;
    border: 2px solid rgba(46,64,83,0.06);
    box-shadow: 0 10px 26px rgba(245,183,177,0.55);
    transition: var(--transition);
}
.btn-apply:hover,
.btn-apply:focus {
    background: #F7C4BE;
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(247,196,190,0.6);
}
.btn-apply:active { transform: translateY(-1px); }

/* Special CTA variant for extra pop on hero/cta (legacy) */
.btn-cta {
    background: #FF9EC1; /* bright pastel pink */
    color: #243645;
    box-shadow: 0 12px 32px rgba(255,158,193,0.55);
}
.btn-cta:hover,
.btn-cta:focus {
    background: #ff8ab4;
    box-shadow: 0 16px 38px rgba(255,138,180,0.6);
}

.btn-outline-light {
    border: 2px solid rgba(255,255,255,0.9);
    border-radius: var(--border-radius);
    font-weight: 700;
    padding: 0.85rem 2rem;
    transition: var(--transition);
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

/* Stats Section */
.stat-item {
    padding: 1.5rem;
}

.stat-item h2 {
    font-weight: 700;
    color: white;
}

/* Feature Cards */
.feature-card {
    transition: var(--transition);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    background: white;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    color: var(--primary-color) !important;
}

/* Program Cards */
.program-card {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    background: white;
}
/* Ensure equal heights and aligned CTA buttons on program cards */
.program-card .card-body { display: flex; flex-direction: column; height: 100%; }
.program-card .card-body .btn { margin-top: auto; }
/* Make program Apply buttons match header Apply color */
.program-card .btn-primary { 
    background: var(--secondary-color);
    color: #2E4053 !important;
    border: 2px solid rgba(46,64,83,0.06);
    box-shadow: 0 10px 26px rgba(245,183,177,0.55);
}
.program-card .btn-primary:hover,
.program-card .btn-primary:focus {
    background: #F7C4BE;
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.program-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    background: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23ffffff" opacity="0.02" width="1200" height="600"/></svg>');
    opacity: 0.05;
}

/* Forms */
.form-control, .form-select {
    border-radius: 4px;
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.875rem;
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,71,133,0.1);
}

.form-control.is-invalid {
    border-color: var(--error-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

.invalid-feedback {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Table */
.table-custom {
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.table-custom thead {
    background: var(--primary-color);
    color: white;
}

.table-custom thead th {
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table-custom tbody td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.table-custom tbody tr {
    transition: var(--transition);
}

.table-custom tbody tr:hover {
    background: var(--light-gray);
}

/* News/Events Cards */
.news-card {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
    background: white;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.news-date {
    background: var(--light-gray);
    color: var(--dark-color);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    display: inline-block;
    font-size: 0.875rem;
}

/* Filter Buttons */
.filter-btn {
    border: 2px solid var(--border-color);
    color: var(--dark-color);
    background: white;
    border-radius: 4px;
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: var(--transition);
    margin: 0.25rem;
    font-size: 0.95rem;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* FAQ Accordion */
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
    background: white;
}

.faq-question {
    background: white;
    padding: 1.25rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
}

.faq-question:hover {
    background: var(--light-gray);
}

.faq-question.active {
    background: var(--primary-color);
    color: white;
}

.faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: white;
}

.faq-answer.show {
    padding: 1.25rem;
    max-height: 500px;
}

/* Alert Messages */
.alert-custom {
    border-radius: 4px;
    border: none;
    padding: 1rem 1.25rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Footer */
footer.site-footer {
    background: linear-gradient(180deg, #FDFEFE 0%, #F7FBFE 100%);
    border-top: 3px solid var(--accent-color);
}

footer.site-footer a {
    text-decoration: none;
    transition: var(--transition);
}

footer.site-footer a:hover {
    color: var(--primary-color) !important;
    padding-left: 3px;
}

.text-light-gray {
    color: #6B7A90;
}

/* Brand color overrides */
.bg-primary {
    background-color: var(--primary-color) !important;
}
.text-primary {
    color: var(--primary-color) !important;
}
.border-primary {
    border-color: var(--primary-color) !important;
}

/* Page Headers */
.page-header {
    background: var(--primary-color);
    padding: 4rem 0 3rem;
    margin-top: 76px;
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Section Backgrounds */
.bg-light {
    background-color: #fafbfc !important;
}

/* Motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        padding-top: 80px;
    }

    .display-3 {
        font-size: 2rem;
    }

    .display-4 {
        font-size: 1.75rem;
    }

    .display-5 {
        font-size: 1.5rem;
    }

    .btn-register {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .py-6 {
        padding-top: calc(var(--spacing-unit) * 6);
        padding-bottom: calc(var(--spacing-unit) * 6);
    }

    .stat-item h2 {
        font-size: 2rem;
    }
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading Animation */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Card Improvements */
.card {
    border: 1px solid var(--border-color);
    border-radius: 4px;
}
/* Equalize card body layout for h-100 cards */
.card.h-100 .card-body { display: flex; flex-direction: column; }

.card-title {
    font-weight: 600;
    color: var(--dark-color);
}

.card-text {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Lead Text */
.lead {
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--text-gray);
}

/* Navbar Toggle */
.navbar-toggler {
    border: 1px solid var(--border-color);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* List Improvements */
.list-unstyled li {
    padding: 0.25rem 0;
}

/* Text Utilities */
.text-muted {
    color: var(--text-gray) !important;
}
/* Enhancements: news card labels at bottom, buttons pointer, scroll indicator pointer */
.news-card .card-body { display: flex; flex-direction: column; }
.news-card .card-labels { margin-top: auto; }
.scroll-indicator { cursor: pointer; }
.btn { cursor: pointer; transition: var(--transition); }
.btn:hover { filter: brightness(1.02); }