/* Homepage Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    margin-right: 0.5rem;
    color: #f39c12;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: rgba(255,255,255,0.2);
}

/* Hero Section */
.hero {
    position: relative;
    color: white;
    padding: 6rem 0 4rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-badge i {
    color: #f39c12;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #f39c12;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.8);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

.hero-trust {
    margin-top: 1rem;
    opacity: 0.9;
    font-size: 0.95rem;
}

.hero-trust i {
    color: #27ae60;
    margin-right: 0.5rem;
}

/* Key Features Section */
.key-features {
    padding: 4rem 0;
    background: white;
}

.key-features h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Calculators Section */
.calculators-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.calculators-section h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

.calculator-category {
    margin-bottom: 3rem;
}

.calculator-category h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    justify-content: center;
}

.calculator-category h3 i {
    color: #3498db;
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.calculators-grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.calculator-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.calculator-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.calculator-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.calculator-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    font-size: 0.95rem;
}

.card-link {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.card-link:hover {
    background: #2980b9;
}

/* Educational Content */
.educational-content {
    padding: 4rem 0;
    background: white;
}

.educational-content h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.content-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.content-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.content-card p {
    color: #666;
    line-height: 1.6;
}

/* Safety Information */
.safety-info {
    padding: 4rem 0;
    background: linear-gradient(135deg, #fff5f5, #ffebee);
    border-top: 3px solid #e74c3c;
}

.safety-info h2 {
    text-align: center;
    color: #c62828;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.safety-info h2 i {
    margin-right: 0.5rem;
}

.safety-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.disclaimer,
.emergency-info {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid #ffcdd2;
}

.disclaimer h3,
.emergency-info h3 {
    color: #c62828;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.disclaimer p,
.emergency-info li {
    color: #666;
    line-height: 1.6;
}

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

.emergency-info li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.emergency-info li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #3498db;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #34495e;
    border-radius: 50%;
    color: white;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Privacy Banner */
.privacy-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.3);
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    border-top: 3px solid #3498db;
}

.privacy-banner.show {
    transform: translateY(0);
}

.privacy-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.privacy-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.privacy-text i {
    color: #f39c12;
    font-size: 1.2rem;
}

.privacy-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.privacy-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.privacy-btn.accept {
    background: #27ae60;
    color: white;
}

.privacy-btn.accept:hover {
    background: #229954;
}

.privacy-btn.manage {
    background: transparent;
    color: white;
    border: 1px solid white;
}

.privacy-btn.manage:hover {
    background: white;
    color: #2c3e50;
}

.privacy-link {
    color: #3498db;
    text-decoration: none;
    font-size: 0.9rem;
}

.privacy-link:hover {
    text-decoration: underline;
}

/* Privacy Modal */
.privacy-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.privacy-modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 15px;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    color: #2c3e50;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    color: #e74c3c;
}

.modal-body {
    padding: 1.5rem;
}

.privacy-option {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.privacy-option:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.option-header h4 {
    color: #2c3e50;
    margin: 0;
    font-size: 1rem;
}

.privacy-option p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #3498db;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input:disabled + .slider {
    background-color: #27ae60;
    cursor: not-allowed;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-stats {
        gap: 2rem;
    }

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

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

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

    .calculators-grid-three {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .safety-content {
        grid-template-columns: 1fr;
    }

    .privacy-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    nav {
        padding: 0 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .hero {
        padding: 4rem 0 3rem;
        min-height: 70vh;
    }

    .hero-content {
        padding: 0 1rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

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

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        padding: 1rem 2rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }

    .key-features,
    .calculators-section,
    .educational-content,
    .safety-info {
        padding: 3rem 0;
    }

    .key-features h2,
    .calculators-section h2,
    .educational-content h2,
    .safety-info h2 {
        font-size: 2rem;
    }

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

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

    .calculators-grid-three {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        padding: 0 1rem;
        grid-template-columns: repeat(2, 1fr);
    }

    .privacy-content {
        padding: 0 1rem;
    }

    .privacy-text {
        font-size: 0.9rem;
    }

    .privacy-buttons {
        flex-wrap: wrap;
    }

    .modal-content {
        margin: 1rem;
        max-height: 90vh;
    }
}

@media (max-width: 480px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .safety-badge {
        padding: 1.5rem;
    }

    .safety-badge i {
        font-size: 2rem;
    }

    .feature-card,
    .calculator-card,
    .content-card,
    .disclaimer,
    .emergency-info {
        padding: 1.5rem;
    }

    .feature-icon,
    .card-icon {
        font-size: 2rem;
    }

    .calculator-category h3 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.25rem;
    }

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

    .social-links {
        justify-content: center;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

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

.calculator-card,
.feature-card,
.content-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Hover Effects */
.calculator-card:hover .card-icon {
    transform: scale(1.1);
    transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    transition: transform 0.3s;
}