/* ===== MCH Kidney Stone Centre - Main CSS ===== */
/* //mch/assets/css/main.css  */

/* Color Variables */
:root {
    --primary-color: #2E86AB;
    --secondary-color: #28A745;
    --accent-color: #FFC107;
    --light-gray: #F8F9FA;
    --dark-gray: #6C757D;
    --white: #FFFFFF;
    --black: #000000;
    --danger-color: #DC3545;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --info-color: #17A2B8;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.top-bar {
    background-color: var(--primary-color) !important;
    font-size: 0.9rem;
}

.main-header {
    padding: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.brand-text h4 {
    color: var(--primary-color);
    margin-bottom: 0;
    font-size: 1.4rem;
}

.brand-text small {
    color: var(--dark-gray);
    font-size: 0.8rem;
}

/* Navigation */
.navbar-nav .nav-link {
    font-weight: 500;
    color: #333 !important;
    margin: 0 10px;
    padding: 10px 15px !important;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(46, 134, 171, 0.1);
}

/* Buttons */
.btn {
    border-radius: 25px;
    font-weight: 500;
    padding: 10px 25px;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #2575a0;
    border-color: #2575a0;
}

.btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-success:hover {
    background-color: #218838;
    border-color: #218838;
}

.btn-whatsapp {
    background-color: #25D366;
    border-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #20b954;
    border-color: #20b954;
    color: white;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e6b8f 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e6b8f 100%);
}

.min-vh-75 {
    min-height: 75vh;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.key-points {
    font-size: 1.1rem;
}

.key-points i {
    color: var(--secondary-color);
}

/* Page Header */
.page-header {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e6b8f 100%);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Feature Cards */
.feature-card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

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

/* Cards */
.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Doctor Cards */
.doctor-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.doctor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.doctor-card img {
    width: 150px;
    height: 150px;
    object-fit: cover;
}

/* Contact Cards */
.contact-card {
    transition: transform 0.3s ease;
    border: 1px solid #e9ecef;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.contact-icon i {
    color: var(--primary-color);
}

/* Process Steps */
.process-step {
    text-align: center;
    margin-bottom: 2rem;
}

.step-number, .step-circle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

/* Statistics */
.stat-item h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Testimonials */
.testimonial-card {
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.stars i {
    color: #ffc107;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
}

.footer h5 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--primary-color);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

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

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

/* Modal Styles */
.modal-header {
    border-bottom: none;
    border-radius: 10px 10px 0 0;
}

.modal-content {
    border-radius: 10px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-body {
    padding: 2rem;
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 134, 171, 0.25);
}

.form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 0.5rem;
}

/* Accordion Styles */
.accordion-button {
    font-weight: 500;
    color: var(--primary-color);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(46, 134, 171, 0.1);
    color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(46, 134, 171, 0.25);
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

.bg-light {
    background-color: var(--light-gray) !important;
}

.shadow {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1) !important;
}

.rounded {
    border-radius: 10px !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Success/Error Messages */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* CTA Sections */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e6b8f 100%);
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* Responsive Images */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Border Radius */
.rounded-circle {
    border-radius: 50% !important;
}

/* Text Utilities */
.text-muted {
    color: var(--dark-gray) !important;
}

.fw-bold {
    font-weight: 700 !important;
}

.fw-semibold {
    font-weight: 600 !important;
}

/* Spacing Utilities */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

/* Print Styles */
@media print {
    .whatsapp-float,
    .btn,
    .navbar,
    .footer {
        display: none !important;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}