/* Modern CSS for PPrawns.in */
:root {
    --primary-color: #2563eb;
    --secondary-color: #059669;
    --accent-color: #dc2626;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --background-white: #ffffff;
    --background-light: #f9fafb;
    --background-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --font-family: 'Inter', -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-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    background-color: var(--background-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-logo i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 8rem 1.5rem 4rem;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-white) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-text h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

/* Sections */
section {
    padding: 4rem 0;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

/* Introduction Section */
.intro-section {
    background-color: var(--background-light);
}

.intro-content h2 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--background-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Species Section */
.species-section {
    background-color: var(--background-white);
}

.species-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.species-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 4rem;
}

.species-card {
    background-color: var(--background-light);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.species-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.species-header h3 {
    color: var(--text-primary);
    margin-bottom: 0;
}

.species-tag {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.species-content h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 0.75rem;
}

.species-content ul {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.species-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.species-comparison {
    background-color: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: var(--background-gray);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table td {
    color: var(--text-secondary);
}

/* Farming Section */
.farming-section {
    background-color: var(--background-light);
}

.farming-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.farming-image {
    text-align: center;
    margin: 3rem 0;
}

.farming-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.farming-methods,
.stocking-management,
.feeding-management {
    margin-bottom: 4rem;
}

.farming-methods h3,
.stocking-management h3,
.feeding-management h3 {
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.method-card {
    background-color: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.method-card h4 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.method-card h5 {
    color: var(--text-primary);
    margin: 1.5rem 0 0.75rem;
}

.method-card ul {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.method-card li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.feeding-table {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.feeding-table table {
    width: 100%;
    border-collapse: collapse;
}

.feeding-table th,
.feeding-table td {
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.feeding-table th {
    background-color: var(--background-gray);
    font-weight: 600;
    color: var(--text-primary);
}

.feeding-table td {
    color: var(--text-secondary);
}

/* Water Management Section */
.water-management-section {
    background-color: var(--background-white);
}

.water-image {
    text-align: center;
    margin: 2rem 0 3rem;
}

.water-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

/* Disease Management Section */
.disease-management-section {
    background-color: var(--background-light);
}

.disease-info {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--background-white);
    border-radius: 0.5rem;
    border-left: 4px solid var(--accent-color);
}

.disease-info h6 {
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

/* Business Section */
.business-section {
    background-color: var(--background-white);
}

.business-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.business-card {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.business-card h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

.investment-breakdown,
.operating-costs,
.revenue-analysis {
    margin-bottom: 2rem;
}

.investment-breakdown h4,
.operating-costs h4,
.revenue-analysis h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background-color: var(--background-white);
    border-radius: 0.5rem;
}

.cost-item.total {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.cost-item.total .cost-label,
.cost-item.total .cost-amount {
    color: white;
}

.cost-label {
    color: var(--text-primary);
    font-weight: 500;
}

.cost-amount {
    color: var(--secondary-color);
    font-weight: 600;
}

.scenario {
    background-color: var(--background-white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--secondary-color);
}

.scenario h5 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.scenario ul {
    list-style: none;
    padding: 0;
}

.scenario li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
}

.profitability-factors,
.market-info {
    background-color: var(--background-white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}

.success-factors {
    margin-top: 4rem;
}

.success-factors h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

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

.factor-card {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.factor-card:hover {
    transform: translateY(-5px);
}

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

.factor-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.factor-card p {
    color: var(--text-secondary);
}

/* Government Support Section */
.government-support-section {
    background-color: var(--background-light);
}

.schemes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.scheme-card {
    background-color: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.scheme-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.scheme-details p {
    margin-bottom: 1rem;
}

.scheme-details ul {
    padding-left: 1.5rem;
}

.scheme-details li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.financial-support h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.support-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-card {
    background-color: var(--background-white);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.support-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.support-card ul {
    padding-left: 1.5rem;
}

.support-card li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Technology Section */
.technology-section {
    background-color: var(--background-white);
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tech-card {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.tech-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.tech-content h4 {
    color: var(--text-primary);
    margin: 1.5rem 0 1rem;
}

.tech-content ul {
    padding-left: 1.5rem;
}

.tech-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Future Section */
.future-section {
    background-color: var(--background-light);
}

.trends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.trend-card {
    background-color: var(--background-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.trend-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.trend-card ul {
    padding-left: 1.5rem;
}

.trend-card li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.opportunities h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.opportunity-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.opportunity-item {
    background-color: var(--background-white);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--secondary-color);
}

.opportunity-item h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.opportunity-item p {
    color: var(--text-secondary);
}

/* Conclusion Section */
.conclusion-section {
    background-color: var(--background-white);
    padding: 4rem 0 6rem;
}

.conclusion-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.conclusion-content h2 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.conclusion-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    text-align: left;
}

.call-to-action {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem;
    border-radius: 1rem;
    margin-top: 3rem;
}

.call-to-action h3 {
    color: white;
    margin-bottom: 1rem;
}

.call-to-action p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.call-to-action .btn {
    background-color: white;
    color: var(--primary-color);
    font-weight: 600;
}

.call-to-action .btn:hover {
    background-color: var(--background-gray);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-bottom a {
    color: var(--secondary-color);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Contact Page Styles */
.contact-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 8rem 1.5rem 4rem;
    text-align: center;
}

.contact-hero h1 {
    color: white;
    margin-bottom: 1rem;
}

.contact-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

.contact-content {
    padding: 4rem 0;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-card {
    background-color: var(--background-light);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.contact-card h2 {
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--background-white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 400px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 2rem;
    text-align: center;
}

.contact-item-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-item-content p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-item-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--background-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

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

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

    .support-options {
        grid-template-columns: 1fr;
    }

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

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

    .opportunity-list {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 6rem 1rem 3rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 1.25rem;
    }

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

    .comparison-table,
    .feeding-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td,
    .feeding-table th,
    .feeding-table td {
        padding: 0.5rem;
    }

    .method-card,
    .species-card,
    .business-card {
        padding: 1.5rem;
    }

    .call-to-action {
        padding: 2rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .hero-buttons,
    .call-to-action .btn {
        display: none;
    }

    body {
        font-size: 12px;
        line-height: 1.4;
    }

    section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero-text h1 {
        font-size: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --background-white: #ffffff;
        --border-color: #000000;
    }
}