/* Professional Medical Website CSS */
:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #0891b2;
    --accent: #06b6d4;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-light: #f9fafb;
    --border: #e5e7eb;
    --success: #10b981;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

body.lang-bn {
    font-family: 'Noto Sans Bengali', 'Hind Siliguri', sans-serif;
    line-height: 1.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.logo h1 a {
    text-decoration: none;
    color: white;
}

.logo p {
    font-size: 14px;
    opacity: 0.9;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
    flex-wrap: wrap;
}

.nav a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 15px;
}

.nav a:hover {
    background: rgba(255,255,255,0.2);
}

.language-switcher {
    margin-left: 10px;
}

.lang-link {
    background: rgba(255,255,255,0.15);
    padding: 8px 15px !important;
    border-radius: 20px;
    font-weight: 500;
}

.lang-link:hover {
    background: rgba(255,255,255,0.25) !important;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 80px 0;
}

.hero-with-image {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content-col h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content-col p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.hero-content-col .credentials {
    font-size: 18px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 30px;
}

.doctor-profile-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Section */
.section {
    padding: 80px 0;
}

.section-bg {
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Service Card */
.service-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card-content {
    padding: 30px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.service-card ul {
    list-style: none;
    margin-top: 15px;
}

.service-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.service-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Stats */
.stats {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 60px 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 18px;
    opacity: 0.9;
}

/* Testimonial */
.testimonial {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial:before {
    content: """;
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 80px;
    color: var(--primary);
    opacity: 0.2;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author-info h4 {
    font-weight: 700;
    color: var(--primary-dark);
}

.testimonial-author-info p {
    color: var(--text-light);
    font-size: 14px;
}

/* Contact Form */
.contact-form {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Info Box */
.info-box {
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.info-box h4 {
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 10px;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 60px;
    border-radius: 12px;
    text-align: center;
}

.cta-box h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-box p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-with-image {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content-col h1 {
        font-size: 36px;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Bangla Typography */
body.lang-bn h1, body.lang-bn h2, body.lang-bn h3 {
    font-weight: 700;
}

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

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