/* ========================================
   Custom CSS for NCHSM Website
   ======================================== */

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

:root {
    --primary-blue: #003366; /* deep blue */
    --accent-red: #cc0000;  /* bright red */
    --white: #ffffff;
    --muted: #6b7280;
    --light: #f8fafc;
    --shadow: rgba(0,0,0,0.08);
    --primary: var(--primary-blue);
    --secondary: #05509e;
    --dark: #0f172a;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --transition: all .2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #1f2937;
    background: var(--white);
    margin: 0;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--dark);
}

p {
    color: #666;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 10px 24px;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

/* ========================================
   Cards & Containers
   ======================================== */

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 6px 18px var(--shadow);
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card .card-header {
    background: var(--primary-blue);
    color: var(--white);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    background: linear-gradient(90deg, var(--primary-blue), #05509e);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 24px;
    color: var(--white) !important;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 12px; /* space between logo and text if any */
    padding: 6px 0;
}

.navbar-brand .site-logo {
    height: 40px; /* moderate size */
    width: auto;
    margin-right: 10px;
    object-fit: contain;
}

.navbar-brand .brand-text {
    font-weight: 800;
    color: var(--white);
    font-size: 20px;
    letter-spacing: 0.5px;
}

.navbar-brand img {
    height: 52px; /* slightly larger logo */
    max-height: 72px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.35)); /* subtle shadow for contrast */
}

.nav-link {
    color: rgba(255,255,255,0.9) !important;
    margin-left: 10px;
    margin-right: 10px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-red) !important;
}

/* Ensure navbar aligns items centrally when logo present */
.navbar .container, .navbar .container-fluid {
    align-items: center;
    display: flex;
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-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"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.animate-fade-in {
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.animate-fade-in:nth-child(1) {
    animation-delay: 0.2s;
}

.animate-fade-in:nth-child(2) {
    animation-delay: 0.4s;
}

.animate-fade-in:nth-child(3) {
    animation-delay: 0.6s;
}

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

/* ========================================
   Gallery
   ======================================== */

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    transition: var(--transition);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent) !important;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: flex-end; /* keep caption at bottom */
    padding: 18px;
    pointer-events: none; /* allow clicks to pass to image if needed */
    background: linear-gradient(to top, rgba(0,0,0,0.25), transparent) !important; /* lighter baseline overlay */
}

.gallery-item:hover .gallery-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.40), transparent) !important; /* slightly stronger on hover but not overpowering */
}

.gallery-caption {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1rem;
    text-shadow: 0 3px 10px rgba(0,0,0,0.6);
    pointer-events: auto;
    z-index: 3;
}

.gallery-caption a {
    color: #ffffff !important;
    text-decoration: none;
}

/* If captions need a subtle pill background for contrast on very busy images */
.gallery-caption-bg {
    background: rgba(0,0,0,0.35);
    padding: 6px 10px;
    border-radius: 6px;
    display: inline-block;
}

/* Image Fixed Height */
.img-fixed-height {
    height: 200px;
    object-fit: cover;
}

/* Gallery Item Height */
.gallery-item-height {
    height: 250px;
    cursor: pointer;
}

/* Image object-fit support */
img.object-fit-cover {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* ========================================
   Footer
   ======================================== */

footer {
    background: #f3f4f6 !important; /* light gray */
    color: var(--dark) !important;
    padding: 2rem 0;
}

footer a {
    color: var(--primary-blue) !important;
    transition: var(--transition);
}

footer a:hover {
    color: var(--accent-red) !important;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(3,37,65,0.04) !important; /* subtle light bg */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--primary-blue) !important;
    border: 1px solid rgba(3,37,65,0.06);
}

.social-links a:hover {
    background: var(--primary-blue) !important;
    color: #fff !important;
    transform: translateY(-3px);
}

/* Override any previous dark footer rules to ensure readability */
footer, footer p, footer span, footer small {
    color: rgba(17,24,39,0.95) !important; /* near-black for text */
}

footer a.text-muted, footer a.text-decoration-none, footer a {
    color: var(--primary-blue) !important;
}

footer a.text-muted:hover, footer a:hover {
    color: var(--accent-red) !important;
}

/* Ensure icons in footer are visible and match primary color */
footer i {
    color: var(--primary-blue) !important;
    margin-right: 8px;
}

/* Form controls in footer should be light and readable */
footer .form-control {
    background: #fff !important;
    border: 1px solid #e6e7eb !important;
    color: var(--dark) !important;
}

/* Target contact item links specifically to ensure visibility */
footer .contact-us a, footer .contact-us span, .contact-info a {
    color: var(--dark) !important;
}

/* Make the hr subtle on light footer */
footer hr {
    border-color: rgba(15,23,42,0.08) !important;
}

/* Additional CSS variables and transition used elsewhere */
:root {
    --primary: var(--primary-blue);
    --secondary: #05509e;
    --dark: #0f172a;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --transition: all .2s ease;
}

/* ========================================
   Floating Buttons
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 998;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.scroll-to-top.show {
    display: flex;
}

/* ========================================
   Forms
   ======================================== */

.form-control,
.form-select {
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 10px;
    transition: var(--transition);
    font-size: 14px;
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 4px rgba(0,80,153,0.06);
    border-color: var(--primary-blue);
}

.form-label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

/* ========================================
   Alerts
   ======================================== */

.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-success {
    background: #ecfdf5;
    border-left-color: var(--success);
    color: #065f46;
}

.alert-danger {
    background: #fef2f2;
    border-left-color: var(--danger);
    color: #7f1d1d;
}

.alert-warning {
    background: #fffbeb;
    border-left-color: var(--warning);
    color: #78350f;
}

.alert-info {
    background: #eff6ff;
    border-left-color: #3b82f6;
    color: #1e3a8a;
}

/* ========================================
   Badges
   ======================================== */

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
}

/* ========================================
   Tables
   ======================================== */

.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background: var(--light);
    font-weight: 600;
}

.table tbody tr {
    border-bottom: 1px solid #e0e0e0;
    transition: var(--transition);
}

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

/* ========================================
   Pagination
   ======================================== */

.pagination {
    margin-top: 30px;
}

.page-link {
    color: var(--primary);
    border: 1px solid #ddd;
    border-radius: 6px;
    margin: 0 3px;
}

.page-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .hero-section {
        min-height: 400px;
    }
    
    .hero-section h1 {
        font-size: 28px;
    }
    
    .navbar-brand {
        font-size: 20px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

/* ========================================
   Loading Animation
   ======================================== */

.spinner {
    border: 3px solid rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   Utility Classes
   ======================================== */

.object-fit-cover {
    object-fit: cover;
}

.shadow-sm {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.shadow-lg {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.transition-all {
    transition: var(--transition);
}

.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--secondary) !important;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important;
}

.text-accent {
    color: var(--accent-red) !important;
}

.badge-primary {
    background: var(--primary-blue);
    color: var(--white);
}

/* Typed text styling for hero */
.typed-container {
    margin-top: 1rem;
    text-align: center;
}
.typed-text {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--muted, #6b7280);
}
.typed-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--accent-red, #cc0000);
    margin-left: 6px;
    vertical-align: bottom;
    animation: blink 1s steps(2,start) infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}