/* ==========================================================================
   Dr. Debabrata Ghosh — Official Website Theme & Shared Styles
   ========================================================================== */

:root {
    --primary: #0c4a6e;
    --primary-light: #0369a1;
    --primary-dark: #082f49;
    --accent: #0ea5e9;
    --accent-light: #7dd3fc;
    --teal: #0d9488;
    --teal-light: #ccfbf1;
    --gold: #f59e0b;
    --bg: #f8fafc;
    --bg-alt: #f0f9ff;
    --white: #ffffff;
    --dark: #0f172a;
    --gray: #475569;
    --gray-light: #e2e8f0;
    --border: #e0f2fe;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 25px -5px rgba(12, 74, 110, 0.08);
    --shadow-lg: 0 20px 35px -5px rgba(12, 74, 110, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --font-main: 'Hind Siliguri', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    padding-top: 105px; /* Ticker + Navbar offset */
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--accent);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   Top Emergency Ticker
   ========================================================================== */
.emergency-ticker {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 35px;
    background: linear-gradient(90deg, #ef4444, #f97316);
    color: white;
    z-index: 1001;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.ticker-content {
    white-space: nowrap;
    animation: ticker-slide 25s linear infinite;
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    gap: 60px;
}

.ticker-content span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.ticker-content a {
    color: #ffffff;
    font-weight: 700;
    text-decoration: underline;
}

@keyframes ticker-slide {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 35px;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--dark);
}

.nav-logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.nav-logo-text {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary);
}

.nav-logo-text span {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    color: var(--dark);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 4px;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important;
    color: white !important;
    padding: 10px 22px !important;
    border-radius: 50px;
    box-shadow: 0 4px 14px rgba(12, 74, 110, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(12, 74, 110, 0.35);
    color: white !important;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.breadcrumb-wrapper {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    margin-bottom: 30px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-size: 0.9rem;
    color: var(--gray);
}

.breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb li + li::before {
    content: '/';
    color: #94a3b8;
}

.breadcrumb a {
    color: var(--primary-light);
}

.breadcrumb a:hover {
    color: var(--accent);
    text-decoration: underline;
}

.breadcrumb span[aria-current="page"] {
    color: var(--dark);
    font-weight: 600;
}

/* ==========================================================================
   Page Headers (Hero Banner)
   ========================================================================== */
.page-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 50px 0;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 350px;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.25), transparent 70%);
}

.page-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--accent-light);
}

.page-hero-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}

.page-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    line-height: 1.6;
}

.page-hero-meta {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.page-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   Content Layout (Main & Sidebar)
   ========================================================================== */
.content-grid {
    display: grid;
    grid-template-columns: 2.6fr 1.2fr;
    gap: 40px;
    margin-bottom: 60px;
}

.main-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   Article Specific Styles
   ========================================================================== */
.article-body h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin: 35px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
    line-height: 1.35;
}

.article-body h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin: 25px 0 12px;
    line-height: 1.4;
}

.article-body p {
    font-size: 1.05rem;
    color: #334155;
    margin-bottom: 18px;
    line-height: 1.8;
}

.article-body ul, 
.article-body ol {
    margin: 0 0 20px 24px;
    color: #334155;
}

.article-body li {
    margin-bottom: 8px;
    line-height: 1.7;
}

/* Callout Box */
.callout-box {
    background: #f0fdf4;
    border-left: 4px solid var(--teal);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin: 25px 0;
    color: #14532d;
}

.callout-box.warning {
    background: #fef2f2;
    border-left-color: #ef4444;
    color: #7f1d1d;
}

.callout-box.info {
    background: #eff6ff;
    border-left-color: var(--accent);
    color: #1e3a8a;
}

.callout-box strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.05rem;
}

/* Medical Reviewer Box */
.medical-reviewer-box {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--bg-alt);
    border: 1px solid #bae6fd;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    margin: 30px 0;
}

.reviewer-img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.reviewer-info h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 2px;
}

.reviewer-info p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0;
    line-height: 1.4;
}

.reviewer-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: var(--teal);
    font-weight: 600;
    margin-top: 4px;
}

/* Medical Disclaimer */
.medical-disclaimer {
    background: #fffbeb;
    border: 1px solid #fef3c7;
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 40px 0 20px;
    font-size: 0.92rem;
    color: #92400e;
    line-height: 1.6;
}

.medical-disclaimer strong {
    color: #78350f;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

/* References Section */
.references-box {
    background: #f8fafc;
    border-top: 1px solid var(--border);
    padding-top: 25px;
    margin-top: 30px;
    font-size: 0.9rem;
    color: var(--gray);
}

.references-box h4 {
    color: var(--dark);
    margin-bottom: 12px;
}

.references-box ol {
    margin-left: 20px;
}

.references-box li {
    margin-bottom: 6px;
}

/* ==========================================================================
   Chamber & Local SEO Styles
   ========================================================================== */
.chamber-detail-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.chamber-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #dbeafe;
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.chamber-header-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.chamber-info-list {
    list-style: none;
    margin: 20px 0;
}

.chamber-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 1.05rem;
}

.chamber-info-list li:last-child {
    border-bottom: none;
}

.chamber-info-list i {
    color: var(--accent);
    font-size: 1.2rem;
    margin-top: 4px;
    width: 24px;
}

.instructions-card {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 25px 0;
}

.instructions-card h4 {
    color: #166534;
    font-size: 1.15rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-wrapper {
    margin: 30px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.map-wrapper iframe {
    width: 100%;
    height: 350px;
    border: 0;
}

/* ==========================================================================
   Article Cards Grid
   ========================================================================== */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 25px;
    margin: 30px 0 60px;
}

.article-card {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-light);
}

.article-card-tag {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--teal);
    background: var(--teal-light);
    padding: 3px 10px;
    border-radius: 50px;
    align-self: flex-start;
    margin-bottom: 12px;
}

.article-card h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-card p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #94a3b8;
    border-top: 1px solid #f1f5f9;
    padding-top: 15px;
}

.article-card-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--dark);
    color: #94a3b8;
    padding: 60px 0 30px;
    margin-top: 60px;
    border-top: 4px solid var(--accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    font-size: 1.15rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--accent-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.88rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 95px;
    }
    .navbar {
        top: 35px;
        height: 60px;
    }
    .nav-links {
        position: fixed;
        top: 95px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 30px 20px;
        gap: 18px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    .nav-links.active {
        transform: translateY(0);
    }
    .hamburger {
        display: block;
    }
    .page-hero-title {
        font-size: 1.7rem;
    }
    .main-content {
        padding: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .article-grid {
        grid-template-columns: 1fr;
    }
}

/* Additional Mobile Optimization (< 640px) */
@media (max-width: 640px) {
    .container {
        padding: 0 14px;
    }
    .navbar {
        height: 60px;
    }
    .nav-container {
        padding: 0 14px;
        height: 60px;
    }
    .nav-logo-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .nav-logo-text {
        font-size: 1.02rem;
    }
    .nav-logo-text span {
        font-size: 0.65rem;
    }
    .nav-links {
        max-height: calc(100vh - 100px);
        overflow-y: auto;
        padding: 20px 16px;
        gap: 14px;
        z-index: 9999;
    }
    .page-hero {
        padding: 32px 0 24px;
    }
    .page-hero-badge {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    .page-hero-title {
        font-size: 1.45rem;
        line-height: 1.3;
    }
    .page-hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    .main-content {
        padding: 18px 14px;
        border-radius: var(--radius-sm);
    }
    .content-grid {
        gap: 20px;
    }
    .sidebar {
        margin-top: 15px;
    }
    .sidebar-card {
        padding: 18px 14px;
    }
    .breadcrumb-wrapper {
        padding: 8px 0;
    }
    .breadcrumb {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }
    .footer-col {
        margin-bottom: 20px;
    }
}