/**
 * DeshSeba (দেশসেবা) - Bangladesh District Information & Emergency Assistance Portal
 * Modern, Responsive, Accessible Stylesheet
 */

:root {
    /* Brand Colors */
    --bd-green: #006a4e;
    --bd-green-light: #047857;
    --bd-green-hover: #065f46;
    --bd-green-soft: #ecfdf5;
    --bd-red: #dc2626;
    --bd-red-hover: #b91c1c;
    --bd-red-soft: #fef2f2;
    
    /* Neutrals */
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --border-subtle: #f1f5f9;

    /* Category Accent Colors */
    --color-hospital: #047857;
    --color-police: #1d4ed8;
    --color-fire: #ea580c;
    --color-ambulance: #dc2626;
    --color-pharmacy: #059669;
    --color-govt: #475569;
    --color-transport: #7c3aed;

    /* Typography & Radius */
    --font-family: 'Hind Siliguri', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.06);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--bd-green);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--bd-green-hover);
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ================= TOP ANNOUNCEMENT / EMERGENCY BAR ================= */
.emergency-topbar {
    background: #7f1d1d;
    color: #ffffff;
    font-size: 0.875rem;
    padding: 0.5rem 0;
    text-align: center;
    font-weight: 500;
}

.emergency-topbar a {
    color: #fef08a;
    font-weight: 700;
    margin-left: 0.5rem;
    text-decoration: underline;
}

/* ================= NAVBAR ================= */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-emblem {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--bd-green) 0%, #064e3b 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.35rem;
    box-shadow: 0 4px 10px rgba(0, 106, 78, 0.25);
    position: relative;
    overflow: hidden;
}

.brand-emblem::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--bd-red);
    border-radius: 50%;
    bottom: -2px;
    right: -2px;
    border: 2px solid #ffffff;
}

.brand-text h1 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bd-green);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0.25rem;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--bd-green);
}

.nav-link.emergency-link {
    color: var(--bd-red);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lang-switcher {
    display: flex;
    background: var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 3px;
    border: 1px solid var(--border-color);
}

.lang-btn {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-decoration: none;
}

.lang-btn.active {
    background: var(--bd-green);
    color: #ffffff;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
    padding: 0.5rem;
}

/* ================= HERO SECTION ================= */
.hero-section {
    position: relative;
    background: linear-gradient(rgba(15, 23, 42, 0.78), rgba(6, 78, 59, 0.88)), url('../images/hero-bangladesh.jpg');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    padding: 5rem 0 4rem;
    text-align: center;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
    color: #4ade80;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Search Bar in Hero */
.hero-search-box {
    background: #ffffff;
    padding: 0.6rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.search-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1rem;
    min-width: 260px;
}

.search-input-wrap i {
    color: var(--text-light);
    font-size: 1.1rem;
}

.search-input-wrap input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 1.05rem;
    font-family: inherit;
    color: var(--text-main);
}

.search-input-wrap input::placeholder {
    color: #94a3b8;
}

.hero-search-btns {
    display: flex;
    gap: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--bd-green);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--bd-green-hover);
    color: #ffffff;
}

.btn-location {
    background: #f1f5f9;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-location:hover {
    background: #e2e8f0;
    color: var(--bd-green);
}

.btn-danger {
    background: var(--bd-red);
    color: #ffffff;
}

.btn-danger:hover {
    background: var(--bd-red-hover);
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--bd-green);
    color: var(--bd-green);
}

/* Autocomplete Dropdown */
.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    max-height: 320px;
    overflow-y: auto;
    z-index: 1050;
    display: none;
    border: 1px solid var(--border-color);
    text-align: left;
}

.autocomplete-item {
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-main);
    text-decoration: none;
    transition: background 0.15s;
}

.autocomplete-item:hover {
    background: var(--bd-green-soft);
    color: var(--bd-green);
}

.autocomplete-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bd-green);
    font-size: 0.9rem;
}

/* Location Status Banner */
.location-status-bar {
    font-size: 0.9rem;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.location-status-bar.active {
    color: #86efac;
}

/* ================= 999 NATIONAL EMERGENCY BANNER ================= */
.national-emergency-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 2px solid #fee2e2;
    padding: 1.5rem 2rem;
    margin: -2.5rem auto 3rem;
    position: relative;
    z-index: 20;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.emergency-info {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.emergency-pulse-badge {
    width: 60px;
    height: 60px;
    background: var(--bd-red-soft);
    border: 2px solid var(--bd-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bd-red);
    font-size: 1.6rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
    70% { box-shadow: 0 0 0 14px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

.emergency-info h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: #991b1b;
}

.emergency-info p {
    color: var(--text-muted);
    font-size: 0.925rem;
}

.emergency-call-action {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-call-999 {
    background: var(--bd-red);
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 900;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
}

.btn-call-999:hover {
    background: var(--bd-red-hover);
    color: #ffffff;
}

/* ================= SECTION COMMON ================= */
.section-padding {
    padding: 3.5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

/* ================= DISTRICT CARDS GRID ================= */
.district-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.district-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.district-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #cbd5e1;
}

.district-card-img-wrap {
    height: 190px;
    position: relative;
    overflow: hidden;
    background: #e2e8f0;
}

.district-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.district-card:hover .district-card-img-wrap img {
    transform: scale(1.04);
}

.district-badge-count {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

.district-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.district-card-body h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.district-card-body .district-bn-name {
    color: var(--bd-green);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.district-card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    flex: 1;
}

.district-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

/* ================= CATEGORY CARDS ================= */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 1.25rem;
}

.category-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.category-card:hover {
    border-color: var(--bd-green);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    color: var(--bd-green);
}

.category-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    transition: transform 0.2s;
}

.category-card:hover .category-icon-wrap {
    transform: scale(1.1);
}

.category-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.category-card span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ================= FACILITY CARD ================= */
.facility-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.facility-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
}

.facility-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.facility-badge-cat {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
}

.badge-verified {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bd-green);
    background: var(--bd-green-soft);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-full);
}

.facility-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.facility-locality {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.facility-details-list {
    list-style: none;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    flex: 1;
}

.facility-details-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
}

.facility-details-list li i {
    color: var(--bd-green);
    margin-top: 0.25rem;
    width: 16px;
    text-align: center;
}

.facility-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-call {
    background: #047857;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.55rem;
    border-radius: var(--radius-sm);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.btn-call:hover {
    background: #065f46;
    color: #ffffff;
}

.btn-directions {
    background: #f1f5f9;
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.55rem;
    border-radius: var(--radius-sm);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: 1px solid var(--border-color);
}

.btn-directions:hover {
    background: #e2e8f0;
    color: var(--bd-green);
}

/* ================= HOW IT WORKS ================= */
.how-it-works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-number {
    width: 44px;
    height: 44px;
    background: var(--bd-green-soft);
    color: var(--bd-green);
    border-radius: 50%;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 1.25rem;
}

.step-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ================= FOOTER ================= */
.site-footer {
    background: #0f172a;
    color: #e2e8f0;
    margin-top: auto;
    padding: 4rem 0 2rem;
    border-top: 3px solid var(--bd-green);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.25rem;
}

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

.footer-col ul li {
    margin-bottom: 0.6rem;
}

.footer-col ul a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s;
}

.footer-col ul a:hover {
    color: #4ade80;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid #1e293b;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: #64748b;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ================= MOBILE BOTTOM NAVIGATION ================= */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 62px;
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    gap: 3px;
    flex: 1;
    height: 100%;
}

.bottom-nav-item i {
    font-size: 1.2rem;
}

.bottom-nav-item.active {
    color: var(--bd-green);
}

.bottom-nav-item.emergency-nav-item {
    color: var(--bd-red);
}

/* ================= MAP SECTION ================= */
.map-container {
    width: 100%;
    height: 480px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

/* Flash Messages */
.flash-alert {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    margin: 1.25rem auto;
    font-weight: 600;
    font-size: 0.925rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.flash-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.flash-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ================= RESPONSIVE QUERIES ================= */
@media (max-width: 992px) {
    .how-it-works-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .national-emergency-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .emergency-info {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: 64px; /* Space for bottom nav */
    }

    .hero-title {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .bottom-nav {
        display: flex;
    }

    .district-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-search-btns {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .facility-actions {
        grid-template-columns: 1fr;
    }
}