/* ===== CSS Variables ===== */
:root {
    --primary-color: #ff6b35;
    --primary-dark: #e55a2b;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.2);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--light-bg);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    font-size: 2rem;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

/* ===== Search Box ===== */
.search-container {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    margin-top: 2rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: var(--gray-100);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--gray-300);
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.2);
}

.search-box i {
    color: var(--gray-500);
    padding: 0 1rem;
    font-size: 1.2rem;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 1rem;
    font-size: 1.1rem;
    font-family: 'Poppins', sans-serif;
    outline: none;
}

.search-box button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-box button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.search-options {
    margin-top: 1rem;
    text-align: left;
}

.search-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

.search-options input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* ===== Results Section ===== */
.results-section {
    padding: 3rem 0;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.info-card:hover, .map-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h2 i {
    font-size: 1.5rem;
}

.btn-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-toggle:hover {
    background: rgba(255,255,255,0.3);
}

.card-body {
    padding: 1.5rem;
}

.pincode-badge {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-item label {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item label i {
    color: var(--primary-color);
}

.info-item span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge.delivery {
    background: rgba(39,174,96,0.1);
    color: var(--success-color);
}

.badge.non-delivery {
    background: rgba(231,76,60,0.1);
    color: var(--danger-color);
}

.badge.ho {
    background: rgba(52,152,219,0.1);
    color: var(--accent-color);
}

.badge.so {
    background: rgba(243,156,18,0.1);
    color: var(--warning-color);
}

.badge.po {
    background: rgba(155,89,182,0.1);
    color: #9b59b6;
}

.badge.bo {
    background: rgba(149,165,166,0.1);
    color: var(--gray-600);
}

.coordinates {
    background: var(--gray-100);
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
}

.coordinates h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.coord-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.coord-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.coord-item label {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.coord-item span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
    min-width: 150px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: var(--gray-800);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    min-width: auto;
    flex: none;
}

/* ===== Map ===== */
.map-container {
    height: 400px;
    position: relative;
}

#map {
    height: 100%;
    width: 100%;
    border-radius: 0;
}

.map-controls {
    padding: 1rem;
    background: var(--gray-100);
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Related Section ===== */
.related-section {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-top: 2rem;
}

.related-section h3 {
    margin-bottom: 1.5rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.related-item {
    background: var(--gray-100);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.related-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.related-item .pincode {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.related-item .office {
    font-size: 0.85rem;
    color: var(--gray-700);
    margin-bottom: 0.25rem;
}

.related-item .district {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* ===== About Section ===== */
.about-section {
    background: var(--white);
    padding: 4rem 0;
}

.about-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
    font-size: 2rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    text-align: center;
    padding: 2rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.about-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.about-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.7;
    font-size: 0.85rem;
}

/* ===== Loader ===== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
    color: var(--white);
}

.loader.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-300);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    color: var(--danger-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
}

.close-btn:hover {
    color: var(--gray-800);
}

.modal-body {
    padding: 1.5rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box button {
        width: 100%;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .map-container {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .search-container {
        padding: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

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

.results-section {
    animation: fadeIn 0.5s ease;
}

/* ===== Utility Classes ===== */
.hidden {
    display: none !important;
}

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

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}