/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border: #334155;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Main layout margins */
.main {
    margin: 0 auto;
    max-width: 1400px;
    padding: 0 var(--space-8);
}

.container {
    margin: 0 auto;
    padding: 0 var(--space-2);
}

/* Google AdSense Placeholder */
.adsense-placeholder {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin: var(--space-6) 0;
    padding: var(--space-4);
    text-align: center;
}

.adsense-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.adsense-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.7;
}

.adsense-banner {
    width: 100%;
    max-width: 728px;
    height: 90px;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.adsense-mock {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    opacity: 0.6;
}

/* Header styles */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}


.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* <-- push everything left */
    gap: var(--space-8); /* add spacing between logo and nav */
    padding: var(--space-4) 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav {
    margin-left: auto;       /* pushes nav away from logo */
    margin-right: 5%;        /* optional: stops it from going fully right */
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 5px;
}


.nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.dropdown-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Hero section */
.hero-section {
    text-align: center;
    margin: var(--space-8) 0;
    padding: var(--space-6) 0;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* New Calculator Layout */
.calculator-section {
    margin: var(--space-8) 0;
}

.calculator-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Calculator cards */
.calculator-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Full-width crop section */
.crop-card-full {
    width: 100%;
}

.crop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-3);
    max-height: 300px;
    overflow-y: auto;
    padding: var(--space-2);
}

.crop-item {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-sm);
    font-weight: 500;
    position: relative;
}

.crop-item:hover:not(.selected) {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.crop-item.selected {
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
    color: white !important;
    border: 2px solid #6366f1 !important;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4) !important;
    transform: translateY(-3px) !important;
}

.crop-item.selected::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    background: #10b981;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

/* Side-by-side mutations row */
.mutations-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.mutations-card-left,
.mutations-card-right {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.mutation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
}

.mutation-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-sm);
    font-weight: 500;
    position: relative;
}

.mutation-btn:hover:not(.selected) {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.mutation-btn.selected {
    background: linear-gradient(135deg, #059669, #10b981) !important;
    color: white !important;
    border: 2px solid #059669 !important;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4) !important;
    transform: translateY(-2px) !important;
}

.mutation-btn.selected::before {
    content: '✓';
    position: absolute;
    top: 6px;
    right: 6px;
    background: #ffffff;
    color: #059669;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* Growth mutation specific colors */
.growth-mutation.selected {
    background: linear-gradient(135deg, #f59e0b, #f97316) !important;
    border-color: #f59e0b !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4) !important;
}

.growth-mutation.selected::before {
    color: #f59e0b;
}

/* Temperature mutation specific colors */
.temp-mutation.selected {
    background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
    border-color: #3b82f6 !important;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4) !important;
}

.temp-mutation.selected::before {
    color: #3b82f6;
}

/* Full-width environmental mutations */
.environmental-card-full {
    width: 100%;
}

.environmental-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-2);
}

/* Single-row inputs */
.inputs-card-row {
    width: 100%;
}

.inputs-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    align-items: end;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.input-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.input-field {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.slider {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

.slider-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 40px;
}

.max-mutation-display {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.formula-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

/* Search containers */
.search-container {
    position: relative;
    margin-bottom: var(--space-4);
}

.search-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-10) var(--space-3) var(--space-3);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* Selected crop info */
.selected-crop-info {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.crop-info-header h4 {
    color: var(--accent-primary);
    margin-bottom: var(--space-3);
}

.crop-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
}

.crop-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Results section */
.results-card {
    width: 100%;
    margin-top: var(--space-8); /* Add more spacing */
}

.results-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.total-value-display {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.value-label {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.value-amount {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.currency {
    font-size: var(--font-size-2xl);
    color: var(--accent-primary);
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
}

.value-approximation {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.multiplier-display {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.multiplier-label {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.multiplier-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--accent-secondary);
    margin-bottom: var(--space-2);
}

.mutation-summary {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.valuation-details {
    grid-column: 1 / -1;
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
}

.valuation-details h4 {
    color: var(--accent-primary);
    margin-bottom: var(--space-3);
}

.details-content {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Buttons */
.btn {
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

/* Content sections */
.content-section {
    margin: var(--space-8) 0;
    padding: var(--space-6) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-8);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    margin-top: var(--space-12);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
}

.footer-section p,
.footer-section a {
    color: var(--text-primary);
    text-decoration: none;
    line-height: 1.8;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: var(--space-4) 0;
}

.footer-bottom-content {
    text-align: center;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

/* Responsive design */
@media (max-width: 1200px) {
    .mutations-row {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .inputs-row {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--space-3);
    }
}


.footer a {
  color: #fff !important;
  text-decoration: none;
}

.footer a:hover {
  color: #7CFC00 !important; /* light green hover */
  text-decoration: underline; /* optional */
}


@media (max-width: 768px) {
    .main {
        padding: 0 var(--space-2);
    }
    
    .adsense-banner {
        height: 60px;
        max-width: 320px;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .crop-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--space-2);
    }
    
    .environmental-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--space-2);
    }
    
    .inputs-row {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .results-display {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .nav {
        gap: var(--space-3);
    }
    
    .nav-link {
        padding: var(--space-2);
        font-size: var(--font-size-sm);
        
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .amount {
        font-size: var(--font-size-3xl);
    }
    
    .multiplier-value {
        font-size: var(--font-size-2xl);
    }
}