/* 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: #f8fffe;
    text-align: justify;
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #0891b2 0%, #0a242c 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-logo h2 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover{
    background-color: rgba(255, 255, 255, 0.2);
    color: #e0f7fa;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
        url("home.jpg") no-repeat center center/cover;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(8, 145, 178, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #0891b2;
    border: 2px solid #0891b2;
}

.btn-secondary:hover {
    background: #0891b2;
    color: white;
}

/* Stats Section */
.stats {
    background: white;
    padding: 80px 0;
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    border: 1px solid #a7f3d0;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 800;
    color: #0f766e;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #0d9488;
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8fffe;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #0f766e;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #0f766e;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* About Content */
.about-content {
    padding: 80px 0;
    background: white;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h2 {
    font-size: 2.5rem;
    color: #0f766e;
    margin-bottom: 1.5rem;
}

.content-text h3 {
    font-size: 1.5rem;
    color: #0d9488;
    margin: 2rem 0 1rem;
}

.content-text ul {
    list-style: none;
    padding-left: 0;
}

.content-text li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.content-text li:last-child {
    border-bottom: none;
}

.content-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Impact Section */
.impact {
    padding: 80px 0;
    background: #f8fffe;
}

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

.impact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.impact-card h3 {
    color: #0f766e;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background: white;
}

.solutions-content p {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #64748b;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.solution-item {
    text-align: center;
    padding: 2rem;
}

.solution-item h4 {
    font-size: 1.25rem;
    color: #0f766e;
    margin-bottom: 1rem;
}

/* Tips Categories */
.tips-categories {
    padding: 80px 0;
    background: white;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #0891b2;
    background: transparent;
    color: #0891b2;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #0891b2;
    color: white;
}

.tips-content {
    display: none;
}

.tips-content.active {
    display: block;
}

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

.tip-card {
    background: #f8fffe;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #a7f3d0;
}

.tip-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tip-card h3 {
    color: #0f766e;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tip-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.tip-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.tip-card li:before {
    content: "💧";
    position: absolute;
    left: 0;
}

.savings {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
}

/* Quick Tips */
.quick-tips {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
    padding: 60px 0;
}

.quick-tips h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.quick-tip {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
}

.tip-number {
    background: white;
    color: #0891b2;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Tracker Styles */
.tracker-dashboard {
    padding: 80px 0;
    background: white;
}

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

.stat-card {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #a7f3d0;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: #0f766e;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: #0d9488;
    font-weight: 500;
}

/* Usage Form */
.usage-form {
    padding: 80px 0;
    background: #f8fffe;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    text-align: center;
    color: #0f766e;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #0f766e;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0891b2;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #64748b;
    font-size: 0.875rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.usage-result {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #a7f3d0;
}

.usage-result h3 {
    color: #0f766e;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Usage History */
.usage-history {
    padding: 80px 0;
    background: white;
}

.history-table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

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

.history-table th,
.history-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.history-table th {
    background: #f8fffe;
    color: #0f766e;
    font-weight: 600;
}

.no-data {
    text-align: center;
    color: #64748b;
    font-style: italic;
}

/* Gallery Styles */
.gallery-filters {
    padding: 40px 0;
    background: white;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #0891b2;
    background: transparent;
    color: #0891b2;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: #0891b2;
    color: white;
}

.gallery-grid {
    padding: 40px 0 80px;
    background: #f8fffe;
}

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

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.project-image {
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: #0f766e;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.project-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat {
    background: #f0fdfa;
    color: #0d9488;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Success Stories */
.success-stories {
    padding: 80px 0;
    background: white;
}

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

.story-card {
    text-align: center;
    padding: 2rem;
}

.story-number {
    font-size: 3rem;
    font-weight: 800;
    color: #0891b2;
    display: block;
    margin-bottom: 1rem;
}

.story-card h3 {
    color: #0f766e;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* Contact Styles */
.contact-content {
    padding: 80px 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    color: #0f766e;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.method-icon {
    font-size: 1.5rem;
    background: #f0fdfa;
    padding: 1rem;
    border-radius: 8px;
    flex-shrink: 0;
}

.method-details h3 {
    color: #0f766e;
    margin-bottom: 0.5rem;
}

.method-details p {
    color: #0d9488;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.method-details small {
    color: #64748b;
}

.suggestion-form {
    background: #f8fffe;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #a7f3d0;
}

.suggestion-form h2 {
    color: #0f766e;
    margin-bottom: 2rem;
    text-align: center;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-success {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #a7f3d0;
}

.form-success h3 {
    color: #0f766e;
    margin-bottom: 1rem;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: #f8fffe;
}

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

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: #0f766e;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
}

/* CTA Sections */
.cta,
.contact-cta {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta h2,
.contact-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p,
.contact-cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 60px 0 20px;
}

.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;
    color: #e2e8f0;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #0891b2;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

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

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

    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .category-tabs {
        flex-direction: column;
        align-items: center;
    }

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

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

    .page-header h1 {
        font-size: 2rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

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

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .form-container {
        padding: 2rem 1.5rem;
    }

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

    .quick-tips-grid {
        grid-template-columns: 1fr;
    }

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.hidden {
    display: none;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}