/* ==========================================
   SHEBA HOSPITAL - PREMIUM CSS v6
   Modern, Responsive, Bengali-Optimized
   ========================================== */

/* Google Fonts - Bengali Support */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&family=Noto+Sans+Bengali:wght@400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary: #00695C;
    --primary-dark: #004D40;
    --primary-light: #48A999;
    --secondary: #FF7043;
    --accent: #26A69A;
    --dark: #263238;
    --light: #F5F5F5;
    --white: #FFFFFF;
    --gray: #78909C;
    --gray-light: #ECEFF1;
    --success: #4CAF50;
    --warning: #FFC107;
    --danger: #F44336;
    --text-dark: #37474F;
    --text-light: #78909C;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --font-bengali: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-bengali);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--light);
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================
   NAVBAR - Premium Sticky Header
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 0;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 500;
}

/* Desktop Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: rgba(0, 105, 92, 0.08);
}

.nav-menu a i {
    font-size: 0.9rem;
}

/* Dropdown */
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dropdown-menu a {
    padding: 12px 20px;
    display: block;
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: var(--gray-light);
}

/* CTA Button */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.emergency-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--danger);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.emergency-btn:hover {
    background: #D32F2F;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION - Premium Banner
   ========================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h100v100H0z' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title span {
    color: var(--secondary);
}

.hero-desc {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: #E64A19;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

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

/* Hero Image */
.hero-image {
    position: relative;
}

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

.hero-img-main img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2;
}

.floating-card.card-1 {
    top: 20%;
    left: -30px;
}

.floating-card.card-2 {
    bottom: 20%;
    right: -30px;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.card-icon.green {
    background: rgba(76, 175, 80, 0.15);
    color: var(--success);
}

.card-icon.blue {
    background: rgba(33, 150, 243, 0.15);
    color: #2196F3;
}

.card-info h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin: 0;
}

.card-info p {
    font-size: 0.85rem;
    color: var(--gray);
    margin: 0;
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    background: rgba(0, 105, 92, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-desc {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ==========================================
   SERVICES GRID
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: var(--white);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==========================================
   DEPARTMENTS
   ========================================== */
.dept-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.dept-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.dept-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.dept-img {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: var(--white);
}

.dept-content {
    padding: 25px;
}

.dept-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.dept-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.dept-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.dept-link:hover {
    gap: 10px;
}

/* ==========================================
   DOCTORS
   ========================================== */
.doctors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.doctor-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.doctor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.doctor-img {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.doctor-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.doctor-card:hover .doctor-img img {
    transform: scale(1.05);
}

.doctor-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--secondary);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.doctor-info {
    padding: 25px;
}

.doctor-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.doctor-info .designation {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.doctor-info .schedule {
    font-size: 0.85rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img img {
    width: 100%;
    display: block;
}

.experience-box {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 30px 40px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.experience-box .years {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.experience-box .text {
    font-size: 1rem;
    opacity: 0.9;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-content h2 span {
    color: var(--primary);
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-item i {
    width: 40px;
    height: 40px;
    background: rgba(0, 105, 92, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

/* ==========================================
   FACILITIES
   ========================================== */
.facilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.facility-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.facility-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.facility-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

.facility-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.facility-info p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ==========================================
   TESTS SECTION
   ========================================== */
.tests-table-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.tests-table {
    width: 100%;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tests-table th,
.tests-table td {
    padding: 18px 25px;
    text-align: left;
}

.tests-table th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
}

.tests-table tr {
    border-bottom: 1px solid var(--gray-light);
}

.tests-table tr:last-child {
    border-bottom: none;
}

.tests-table td {
    font-size: 0.95rem;
}

.tests-table .price {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.tests-table .time {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.testimonial-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 80px;
    color: var(--primary-light);
    opacity: 0.3;
    line-height: 1;
}

.testimonial-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid var(--primary-light);
}

.testimonial-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-content {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.rating {
    color: var(--warning);
    font-size: 1.2rem;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
}

.footer-col h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 40px;
    color: var(--primary-light);
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-about p {
    opacity: 0.8;
    margin-bottom: 25px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.footer-contact i {
    color: var(--primary-light);
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 60px;
    padding: 25px 20px;
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ==========================================
   RESPONSIVE STYLES
   ========================================== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dept-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .doctors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        padding: 15px;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-light);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
    }
    
    .dropdown.open .dropdown-menu {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    .dept-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .doctors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .facilities-grid {
        grid-template-columns: 1fr;
    }
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .experience-box {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .nav-logo-text h1 {
        font-size: 1.2rem;
    }
    
    .emergency-btn span {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .dept-grid,
    .doctors-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .floating-card {
        display: none;
    }
    
    .tests-table th,
    .tests-table td {
        padding: 12px 15px;
        font-size: 0.85rem;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-center {
    text-align: center;
}

.mt-4 { margin-top: 20px; }
.mb-4 { margin-bottom: 20px; }

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .hero-buttons {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
}