/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Lato:wght@400;700&display=swap');

/* --- CSS Variables (Color Palette) --- */
:root {
    --primary-green: #2E7D32; /* Rich, Earthy Green */
    --accent-amber: #FFC107;  /* Warm, Harvest Gold */
    --light-bg: #F9F9F9;
    --dark-text: #333333;
    --light-text: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

/* --- Global Styles & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-green);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-amber);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 60px 0;
}

.section-bg {
    background-color: var(--light-bg);
}

/* --- Header & Navigation --- */
.header {
    background-color: var(--light-text);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

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

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease, transform 0.1s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background-color: var(--accent-amber);
    color: var(--dark-text);
    border: 2px solid var(--accent-amber);
}

.btn-primary:hover {
    background-color: #ffb300;
    border-color: #ffb300;
    color: var(--dark-text);
}

/* --- Hero Section (Image-Free & Responsive) --- */
.hero {
    background: linear-gradient(135deg, var(--primary-green), #276a2a);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    padding: 40px 20px;
}

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

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    opacity: 0.9;
    margin-left: auto;
    margin-right: auto;
}

/* --- Categories Section --- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.category-card {
    background: var(--light-text);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

.category-card h3 {
    color: var(--dark-text);
}

/* --- How to Purchase Section --- */
.how-to-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    text-align: center;
    margin-top: 2rem;
}

.step-card {
    padding: 1.5rem;
}

.step-card .icon-circle {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem auto;
    border-radius: 50%;
    background-color: #e5f1e6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-green);
}

/* --- Products Page --- */
.products-layout {
    display: flex;
    gap: 2rem;
}

#product-filters {
    flex: 0 0 250px;
}

#product-filters h3 {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

#product-filters ul {
    list-style: none;
    margin-top: 1rem;
}

#product-filters li {
    padding: 0.8rem;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

#product-filters li:hover,
#product-filters li.active {
    background-color: #e5f1e6;
    color: var(--primary-green);
}

#product-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background-color: var(--light-text);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.3s ease;
}

.product-card:hover {
     box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.product-icon-header {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: var(--light-text);
}
.icon-insecticide { background-color: #EF5350; }
.icon-herbicide { background-color: #66BB6A; }
.icon-fungicide { background-color: #42A5F5; }
.icon-biopesticide { background-color: #FFC107; }
.icon-other { background-color: #78909C; }


.product-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-card-content h4 {
    margin-bottom: 0.5rem;
}
.product-card-content .product-tech {
    font-size: 0.85rem;
    color: #666;
    margin-top: -0.75rem;
    margin-bottom: 1rem;
    font-style: italic;
    min-height: 40px;
}

.product-card-content .btn-primary {
    background-color: var(--primary-green);
    color: var(--light-text);
    border-color: var(--primary-green);
    margin-top: auto;
}
.product-card-content .btn-primary:hover {
    background-color: #276a2a;
    border-color: #276a2a;
}

/* --- About & Safety Pages --- */
.page-header {
    background-color: var(--light-bg);
    padding: 40px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}
.page-header h1 {
    color: var(--primary-green);
}
.content-section {
    max-width: 800px;
    margin: 0 auto;
}
.content-section h3 {
    color: var(--primary-green);
    margin-top: 2rem;
    display: flex;
    align-items: center;
}

.content-section ul {
    list-style-position: inside;
    margin-left: 1rem;
}

.why-choose-us-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.why-choose-us-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.why-choose-us-list i {
    color: var(--primary-green);
    font-size: 1.2rem;
    margin-right: 15px;
    padding-top: 4px;
}

.disclaimer-box {
    background-color: #fff8e1;
    border-left: 5px solid var(--accent-amber);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 5px;
}

/* --- Contact Page --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: flex-start;
}

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

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Lato', sans-serif;
}
.contact-form .btn-primary {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--light-text);
}
.contact-form button:disabled {
    background-color: #cccccc;
    border-color: #cccccc;
    cursor: not-allowed;
}

.form-message {
    padding: 1rem;
    margin-top: 1.5rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    display: none;
}
.form-message.success {
    background-color: #e5f1e6;
    color: var(--primary-green);
    display: block;
}
.form-message.error {
    background-color: #fdecea;
    color: #c9302c;
    display: block;
}


.contact-details h3 {
    color: var(--primary-green);
    margin-bottom: 2rem;
}
.contact-details .contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.contact-details .contact-item .icon {
    color: var(--primary-green);
    margin-right: 15px;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
    padding-top: 5px;
}
.contact-details .contact-item div {
    flex: 1;
}
.contact-details .contact-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--dark-text);
}
.contact-details .contact-item p {
    margin: 0;
    line-height: 1.5;
}

.contact-details .number-group {
    margin-top: 5px;
}
.contact-details .number-block {
    margin-bottom: 1.5rem;
}
.contact-details .number-block:last-child {
    margin-bottom: 0;
}
.contact-details .number-block p {
    font-size: 1.1rem;
    font-weight: 600;
    color: #555;
    margin: 0 0 8px 0;
}
.contact-details .contact-actions {
    display: flex;
    gap: 10px;
}
.contact-details .contact-actions a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 5px 12px;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}
.contact-details .contact-actions a.call-link {
    background-color: #f1f8e9;
    color: var(--primary-green);
}
.contact-details .contact-actions a.call-link:hover {
    background-color: var(--primary-green);
    color: var(--light-text);
    border-color: var(--primary-green);
}
.contact-details .contact-actions a.whatsapp-link {
    background-color: #e0f2f1;
    color: #00796b;
}
.contact-details .contact-actions a.whatsapp-link:hover {
    background-color: #25D366;
    color: var(--light-text);
    border-color: #25D366;
}
.contact-details .contact-actions i {
    margin-right: 6px;
}


.contact-map iframe {
    width: 100%;
    height: 450px;
    border: 0;
    margin-top: 2rem;
    border-radius: 8px;
    filter: grayscale(1);
}

/* --- Footer --- */
.footer {
    background-color: #212121;
    color: #cccccc;
    padding: 40px 0;
    text-align: center;
}

.footer .logo {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.footer p {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--light-text);
    margin: 0 10px;
}

.footer-links a:hover {
    color: var(--accent-amber);
    text-decoration: underline;
}

.copyright {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #444444;
    font-size: 0.9rem;
    color: #888888;
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: var(--light-text);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 1001;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: var(--light-text);
}


/* --- Responsive Design Fixes --- */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 75px;
        left: 0;
        background-color: white;
        text-align: center;
        box-shadow: var(--shadow);
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-item {
        margin: 1rem 0;
    }
    .hamburger {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .products-layout {
        flex-direction: column;
    }
    #product-filters {
        flex: 0 0 auto;
    }
}