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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    color: #2d5a3d;
    font-weight: 600;
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2d5a3d;
}

.cta-btn {
    background: #2d5a3d !important;
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: #1a3d2a !important;
    transform: translateY(-2px);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fdf9 0%, #e8f5ea 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1a3d2a;
}

.highlight {
    color: #2d5a3d;
    background: linear-gradient(120deg, #a7d4b1 0%, #2d5a3d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d5a3d;
    margin-bottom: 5px;
}

.stat p {
    color: #666;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #2d5a3d;
    color: white;
    border: 2px solid #2d5a3d;
}

.btn-primary:hover {
    background: #1a3d2a;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(45, 90, 61, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #2d5a3d;
    border: 2px solid #2d5a3d;
}

.btn-secondary:hover {
    background: #2d5a3d;
    color: white;
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Solution Visual */
.solution-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    width: 280px;
    height: 380px;
}

.fertilizer-scene {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 20px;
    position: relative;
}

.fertilizer-jug {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.jug-cap {
    width: 35px;
    height: 20px;
    background: linear-gradient(to bottom, #8b5cf6, #7c3aed);
    border-radius: 6px 6px 3px 3px;
    border: 2px solid #6d28d9;
    margin-bottom: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.jug-neck {
    width: 40px;
    height: 35px;
    background: linear-gradient(to bottom, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    border: 2px solid #8b5cf6;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.jug-body {
    position: relative;
    width: 120px;
    height: 160px;
    background: linear-gradient(to bottom, rgba(139, 92, 246, 0.1), rgba(139, 92, 246, 0.05));
    border: 3px solid #8b5cf6;
    border-radius: 8px 8px 15px 15px;
    overflow: hidden;
}

.jug-liquid {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 80%;
    background: linear-gradient(to bottom, #4a9d5e, #2d5a3d);
    border-radius: 0 0 12px 12px;
}

.jug-handle {
    position: absolute;
    right: -15px;
    top: 30px;
    width: 25px;
    height: 50px;
    border: 3px solid #8b5cf6;
    border-left: none;
    border-radius: 0 15px 15px 0;
    background: none;
}

.fertilizer-hose {
    position: absolute;
    left: 135px;
    bottom: 60px;
    width: 80px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transform: rotate(-15deg);
    z-index: 1;
}

.fertilizer-hose::after {
    content: '';
    position: absolute;
    right: -5px;
    top: -2px;
    width: 8px;
    height: 7px;
    background: #666;
    border-radius: 50%;
}

.plant-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.plant-pot {
    width: 50px;
    height: 35px;
    background: linear-gradient(to bottom, #8b4513, #654321);
    border-radius: 0 0 25px 25px;
    border: 2px solid #5d2f0a;
}

.plant {
    position: relative;
    margin-top: -10px;
}

.plant-stem {
    width: 4px;
    height: 40px;
    background: linear-gradient(to bottom, #228b22, #32cd32);
    border-radius: 2px;
    margin: 0 auto;
}

.plant-leaf {
    position: absolute;
    width: 20px;
    height: 12px;
    background: linear-gradient(45deg, #228b22, #32cd32);
    border-radius: 0 15px 15px 0;
    transform-origin: left center;
}

.leaf-1 {
    top: -35px;
    left: 4px;
    transform: rotate(30deg);
}

.leaf-2 {
    top: -25px;
    left: -16px;
    transform: rotate(-45deg) scaleX(-1);
}

.leaf-3 {
    top: -15px;
    left: 4px;
    transform: rotate(15deg);
}

.fertilizer-drops {
    position: absolute;
    top: -10px;
    left: 20px;
    width: 2px;
    height: 15px;
    background: linear-gradient(to bottom, #4a9d5e, transparent);
    border-radius: 50%;
}

.fertilizer-drops::before,
.fertilizer-drops::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 8px;
    background: linear-gradient(to bottom, #4a9d5e, transparent);
    border-radius: 50%;
}

.fertilizer-drops::before {
    top: -8px;
    left: -3px;
}

.fertilizer-drops::after {
    top: -5px;
    left: 3px;
}

.solution-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d5a3d;
    text-align: center;
}

.reactor-animation {
    position: relative;
    width: 220px;
    height: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transform: none !important;
}

.process-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d5a3d;
    margin-bottom: 15px;
    text-align: center;
    background: rgba(45, 90, 61, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(45, 90, 61, 0.2);
}

.reactor-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.gas-inlet {
    position: relative;
    width: 100px;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.inlet-label {
    background: #2d5a3d;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.gas-flow {
    width: 20px;
    height: 40px;
    background: linear-gradient(to bottom, #87ceeb, transparent);
    border-radius: 10px;
    animation: flow-down 2s infinite;
}

.reactor-body {
    position: relative;
    width: 100px;
    height: 220px;
    background: linear-gradient(to right, #e0e0e0, #f5f5f5, #e0e0e0);
    border: 3px solid #333;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.1);
}

.electrode-top, .electrode-bottom {
    width: 80px;
    height: 15px;
    background: linear-gradient(to bottom, #ff6b35, #ff8c42);
    border-radius: 8px;
    position: relative;
}

.plasma-zone {
    flex: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(45deg, rgba(255,255,255,0.8), rgba(173,216,230,0.3));
}

.plasma-spark {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #8b5cf6;
    border-radius: 50%;
    animation: spark 1s infinite;
    box-shadow: 0 0 10px #8b5cf6;
}

.plasma-spark:nth-child(1) {
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.plasma-spark:nth-child(2) {
    top: 50%;
    right: 25%;
    animation-delay: 0.3s;
}

.plasma-spark:nth-child(3) {
    bottom: 30%;
    left: 40%;
    animation-delay: 0.6s;
}

.product-outlet {
    position: relative;
    width: 100px;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-flow {
    width: 20px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, #4a9d5e);
    border-radius: 10px;
    animation: flow-down 2s infinite;
    margin-bottom: 10px;
}

.outlet-label {
    background: #4a9d5e;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.process-note {
    font-size: 0.75rem;
    color: #666;
    text-align: center;
    margin-top: 8px;
    font-style: italic;
    max-width: 120px;
    line-height: 1.3;
}

.process-label {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: #8b5cf6;
    font-weight: 600;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

@keyframes flow-down {
    0% { 
        opacity: 0;
        transform: translateY(-20px);
    }
    50% { 
        opacity: 1;
    }
    100% { 
        opacity: 0;
        transform: translateY(20px);
    }
}

@keyframes spark {
    0% { 
        opacity: 0;
        transform: scale(0.5);
        box-shadow: 0 0 5px #8b5cf6;
    }
    50% { 
        opacity: 1;
        transform: scale(1.2);
        box-shadow: 0 0 15px #8b5cf6, 0 0 25px #a855f7;
    }
    100% { 
        opacity: 0;
        transform: scale(0.8);
        box-shadow: 0 0 5px #8b5cf6;
    }
}

/* Problem Section */
.problem-section {
    padding: 80px 0;
    background: white;
}

.problem-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1a3d2a;
    margin-bottom: 60px;
    font-weight: 700;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
}

.problem-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #2d5a3d;
    font-weight: 300;
    border: 2px solid #2d5a3d;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.problem-icon[data-icon="dollar"] {
    font-weight: 700;
    font-family: 'Inter', sans-serif;
}

.problem-card:hover .problem-icon {
    background: #2d5a3d;
    color: white;
    transform: scale(1.05);
}

.problem-card h3 {
    color: #1a3d2a;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

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

/* Technology Section */
.technology-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5ea 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #1a3d2a;
    margin-bottom: 20px;
    font-weight: 700;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.process-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.process-step {
    text-align: center;
    flex: 1;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #2d5a3d;
    font-weight: 300;
    border: 2px solid #2d5a3d;
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    transition: all 0.3s ease;
}

.process-step:hover .step-icon {
    background: #2d5a3d;
    color: white;
    transform: scale(1.1);
}

.process-step h4 {
    color: #1a3d2a;
    margin-bottom: 5px;
    font-weight: 600;
}

.process-step p {
    color: #666;
    font-size: 0.9rem;
}

.process-arrow {
    font-size: 1.5rem;
    color: #2d5a3d;
    margin: 0 10px;
    font-weight: bold;
}

.tech-features h3 {
    color: #1a3d2a;
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 600;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: #333;
    display: flex;
    align-items: center;
    list-style: none;
    padding-left: 0;
}

.feature-list li::before {
    content: "✓";
    margin-right: 10px;
    color: #2d5a3d;
    font-weight: 700;
    border: 2px solid #2d5a3d;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    vertical-align: middle;
}

/* Water Remediation Section */
.remediation-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5ea 100%);
}

.remediation-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
    margin-top: 50px;
}

.remediation-highlight {
    display: flex;
    justify-content: center;
    align-items: center;
}

.highlight-stat {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(45, 90, 61, 0.1);
    border: 3px solid #2d5a3d;
}

.highlight-stat h3 {
    font-size: 3rem;
    color: #2d5a3d;
    font-weight: 700;
    margin-bottom: 10px;
}

.highlight-stat p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.highlight-stat span {
    color: #1a3d2a;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.remediation-details h3 {
    color: #1a3d2a;
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.remediation-details > p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 40px;
}

.remediation-benefits h4 {
    color: #1a3d2a;
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.benefit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.benefit-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(45, 90, 61, 0.08);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    display: block;
}

.benefit-icon.green-icon {
    color: #2d5a3d;
    font-weight: bold;
    font-size: 2.5rem;
}

.benefit-item h5 {
    color: #1a3d2a;
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.benefit-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

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

.solutions-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1a3d2a;
    margin-bottom: 60px;
    font-weight: 700;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.solution-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.solution-card.featured {
    border-color: #2d5a3d;
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5ea 100%);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #2d5a3d;
    color: white;
    padding: 5px 20px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.solution-card h3 {
    color: #1a3d2a;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

.solution-card p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.solution-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.solution-card li {
    padding: 8px 0;
    color: #333;
    border-bottom: 1px solid #e9ecef;
}

.solution-card li:last-child {
    border-bottom: none;
}

.solution-btn {
    background: #2d5a3d;
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.solution-btn:hover {
    background: #1a3d2a;
    transform: translateY(-2px);
}

/* Markets Section */
.markets-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5ea 100%);
}

.markets-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1a3d2a;
    margin-bottom: 60px;
    font-weight: 700;
}

.market-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.market-category {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.market-category h3 {
    color: #1a3d2a;
    margin-bottom: 30px;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.market-items {
    display: grid;
    gap: 30px;
}

.market-item {
    display: flex;
    align-items: center;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.market-item:hover {
    transform: translateX(10px);
}

.market-icon {
    font-size: 2rem;
    margin-right: 25px;
    width: 60px;
    height: 60px;
    text-align: center;
    color: #2d5a3d;
    font-weight: 300;
    border: 2px solid #2d5a3d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.market-item:hover .market-icon {
    background: #2d5a3d;
    color: white;
    transform: scale(1.05);
}

.market-text {
    flex: 1;
}

.market-text h4 {
    color: #1a3d2a;
    margin-bottom: 15px;
    font-weight: 600;
    font-size: 1.1rem;
}

.market-text p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    color: #1a3d2a;
    margin-bottom: 30px;
    font-size: 2.5rem;
    font-weight: 700;
}

.about-text p {
    color: #666;
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.credentials {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.credential {
    text-align: center;
}

.credential h4 {
    color: #2d5a3d;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.credential p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.founder-quote {
    background: linear-gradient(135deg, #f0f8f2 0%, #e8f5ea 100%);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

.founder-quote blockquote {
    font-size: 1.2rem;
    color: #1a3d2a;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 20px;
}

.founder-quote cite {
    color: #666;
    font-weight: 600;
}

/* Icon Styling - Global */
.market-icon {
    filter: grayscale(1) contrast(1.2);
}

.market-icon[data-icon="house"],
.market-icon[data-icon="wave"],
.market-icon[data-icon="snow"],
.market-icon[data-icon="desert"],
.market-icon[data-icon="fruit"] {
    filter: none; /* These are text/symbols, no filter needed */
}

/* Problem and Technology icons should all be green - no filter */
.problem-icon, .step-icon {
    filter: none;
}

/* Special handling for colored emoji symbols to make them green */
.step-icon[data-icon="plasma"] {
    filter: hue-rotate(120deg) saturate(0.8) brightness(0.8);
}

.step-icon[data-icon="water"] {
    filter: hue-rotate(270deg) saturate(1.5) brightness(0.9);
}

/* For dark backgrounds */
.contact-section .problem-icon,
.contact-section .step-icon,
.contact-section .market-icon {
    border-color: white;
    color: white;
}

.contact-section .problem-icon:hover,
.contact-section .step-icon:hover,
.contact-section .market-icon:hover {
    background: white;
    color: #1a3d2a;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a3d2a 0%, #2d5a3d 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.contact-info p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit h4 {
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 600;
}

.benefit p {
    opacity: 0.8;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    color: #333;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1a3d2a;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    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: #2d5a3d;
}

.contact-form .btn-primary {
    width: 100%;
    background: #2d5a3d;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.contact-form .btn-primary:hover {
    background: #1a3d2a;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #2d5a3d;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #2d5a3d;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    opacity: 0.6;
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 40px 0;
    }

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

    .hero-container {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

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

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

    .tech-content,
    .contact-content,
    .about-content,
    .remediation-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .benefit-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .process-diagram {
        flex-direction: column;
        gap: 20px;
    }

    .process-arrow {
        transform: rotate(90deg);
    }

    .credentials {
        justify-content: center;
    }

    .reactor-animation {
        width: 200px;
        height: 320px;
    }

    .reactor-body {
        width: 80px;
        height: 180px;
    }

    .inlet-label, .outlet-label {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .process-title {
        font-size: 1rem;
        padding: 6px 12px;
    }

    .process-note {
        font-size: 0.7rem;
        max-width: 100px;
    }

    .solution-visual {
        width: 220px;
        height: 300px;
    }

    .fertilizer-scene {
        gap: 15px;
    }

    .jug-cap {
        width: 28px;
        height: 16px;
    }

    .jug-neck {
        width: 32px;
        height: 28px;
    }

    .jug-body {
        width: 100px;
        height: 130px;
    }

    .jug-handle {
        right: -12px;
        top: 25px;
        width: 20px;
        height: 40px;
    }

    .fertilizer-hose {
        left: 110px;
        width: 60px;
    }

    .plant-pot {
        width: 40px;
        height: 28px;
    }

    .plant-stem {
        height: 32px;
    }

    .plant-leaf {
        width: 16px;
        height: 10px;
    }

    .solution-label {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-header h2,
    .about-text h2,
    .contact-info h2,
    .remediation-details h3 {
        font-size: 2rem;
    }

    .problem-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .credentials {
        flex-direction: column;
        gap: 20px;
    }
}