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

:root {
    --primary-green: #2E7D32;
    --dark-green: #1E5631;
    --beige: #F5F5DC;
    --light-beige: #FAFAF0;
    --gold: #D4AF37;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Header / Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

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

.logo-image {
    height: 40px;
    width: auto;
}

.logo-text h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-green);
    margin: 0;
    line-height: 1;
}

.logo-text span {
    font-size: 0.9rem;
    color: var(--dark-green);
    font-weight: 400;
    display: block;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link:hover::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--beige) 0%, var(--light-beige) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"%3E%3Crect width="1200" height="800" fill="%23F5F5DC"/%3E%3Cpath d="M0 400 Q300 300 600 400 T1200 400 L1200 800 L0 800 Z" fill="%232E7D32" opacity="0.1"/%3E%3Cpath d="M0 500 Q400 350 800 500 T1200 500 L1200 800 L0 800 Z" fill="%231E5631" opacity="0.05"/%3E%3C/svg%3E') center/cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-green), var(--dark-green));
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    color: var(--dark-green);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--beige);
    color: var(--dark-green);
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--white);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
    padding: 1.2rem 2rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    color: var(--dark-green);
    margin-bottom: 1rem;
    position: relative;
}

.section-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--gold));
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--light-beige);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text {
    padding: 2rem;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.about-highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.highlight-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: 'Playfair Display', serif;
}

.highlight-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 1.5rem;
}

/* Products Section */
.products {
    background: var(--white);
}

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

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    height: 200px;
    background: var(--light-beige);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-info {
    padding: 2rem;
}

.product-info h3 {
    color: var(--dark-green);
    margin-bottom: 1rem;
}

.product-info p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Services Section */
.services {
    background: var(--light-beige);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.service-item h3 {
    color: var(--dark-green);
    margin-bottom: 1rem;
}

/* Catalog Section */
.catalog {
    background: var(--white);
}

.catalog-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: var(--beige);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.catalog-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.catalog-card h2 {
    color: var(--dark-green);
    margin-bottom: 1rem;
}

.catalog-card p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Quote Form Section */
.quote {
    background: var(--light-beige);
}

.quote-form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--beige);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Lato', sans-serif;
    transition: var(--transition);
    background: var(--light-beige);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-response {
    text-align: center;
    padding: 2rem;
}

.response-success {
    background: rgba(46, 125, 50, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-green);
}

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

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    padding: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-beige);
    border-radius: var(--border-radius);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--dark-green);
    margin-bottom: 0.5rem;
}

.contact-details a {
    color: var(--primary-green);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--dark-green);
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    border-radius: var(--border-radius);
}

/* Footer */
.footer {
    background: var(--dark-green);
    color: var(--white);
    padding: 3rem 0 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

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

.footer-text p {
    margin-bottom: 0.5rem;
    color: var(--beige);
}

.footer-tagline {
    font-style: italic;
    color: var(--gold) !important;
    font-family: 'Playfair Display', serif;
}

/* Product Pages Styles */
.product-hero {
    background: linear-gradient(135deg, var(--light-beige) 0%, var(--white) 100%);
    padding: 120px 0 80px;
    position: relative;
}

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

.product-hero-text h1 {
    font-size: 3.5rem;
    color: var(--dark-green);
    margin-bottom: 20px;
    font-weight: 900;
}

.product-tagline {
    font-size: 1.3rem;
    color: var(--primary-green);
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.product-hero-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-hero-image:hover img {
    transform: scale(1.05);
}

.product-details {
    padding: 80px 0;
    background: var(--white);
}

.product-details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.product-info h2 {
    font-size: 2.5rem;
    color: var(--dark-green);
    margin-bottom: 30px;
    font-weight: 700;
}

.product-description {
    margin-bottom: 40px;
}

.product-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.product-features h3,
.product-specifications h3 {
    font-size: 1.8rem;
    color: var(--dark-green);
    margin-bottom: 20px;
    font-weight: 600;
}

.features-list {
    list-style: none;
    margin-bottom: 40px;
}

.features-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    background: var(--light-beige);
    padding: 30px;
    border-radius: 15px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(46, 125, 50, 0.1);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item strong {
    color: var(--dark-green);
    font-weight: 600;
}

.spec-item span {
    color: var(--text-dark);
    text-align: right;
}

.product-sidebar {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.quick-quote {
    background: var(--light-beige);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.quick-quote h3 {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-bottom: 20px;
    font-weight: 600;
}

.quick-quote-form .form-group {
    margin-bottom: 20px;
}

.quick-quote-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-green);
    font-weight: 500;
}

.quick-quote-form input,
.quick-quote-form select {
    width: 100%;
    padding: 12px;
    border: 2px solid rgba(46, 125, 50, 0.2);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.quick-quote-form input:focus,
.quick-quote-form select:focus {
    outline: none;
    border-color: var(--primary-green);
}

.product-benefits {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.product-benefits h3 {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-bottom: 20px;
    font-weight: 600;
}

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

.benefits-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-dark);
}

.benefits-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.related-products {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.related-products h3 {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-bottom: 20px;
    font-weight: 600;
}

.related-product-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    background: var(--light-beige);
    border-radius: 10px;
    text-decoration: none;
    color: var(--dark-green);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-product-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.related-product-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 15px;
}

.related-product-item span {
    font-weight: 500;
}

.product-applications {
    background: var(--light-beige);
    padding: 80px 0;
}

.product-applications h2 {
    font-size: 2.5rem;
    color: var(--dark-green);
    text-align: center;
    margin-bottom: 50px;
    font-weight: 700;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.application-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.application-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.application-card h3 {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-bottom: 15px;
    font-weight: 600;
}

.application-card p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .products-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .quote-form-container {
        padding: 2rem;
    }
    
    .catalog-card {
        padding: 2rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.3rem; }
    
    section {
        padding: 3rem 0;
    }
    
    /* Product page responsive */
    .product-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .product-hero-text h1 {
        font-size: 3rem;
    }
    
    .product-details-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-sidebar {
        position: static;
        order: -1;
    }
    
    .product-hero {
        padding: 100px 0 60px;
    }
    
    .product-tagline {
        font-size: 1.1rem;
    }
    
    .product-hero-buttons {
        justify-content: center;
    }
    
    .product-details {
        padding: 60px 0;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .about-highlight {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        gap: 1rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Product page responsive */
    .product-hero-text h1 {
        font-size: 2rem;
    }
    
    .product-info h2 {
        font-size: 2rem;
    }
    
    .product-features h3,
    .product-specifications h3 {
        font-size: 1.5rem;
    }
    
    .product-hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .product-hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Button Ripple Effect */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}