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

:root {
    --primary-yellow: #FFD700;
    --accent-yellow: #FFA500;
    --dark-yellow: #FF8C00;
    --black: #1a1a1a;
    --dark-gray: #2d2d2d;
    --light-gray: #f8f8f8;
    --white: #ffffff;
    --text-gray: #666666;
    --border-gray: #e0e0e0;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --error: #e74c3c;
    --success: #27ae60;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
}

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

/* Header */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}

.logo:hover {
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--accent-yellow));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.logo-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--black);
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 0.5px;
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 2px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--black);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: center;
}

nav {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
}

nav a {
    text-decoration: none;
    color: var(--black);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

nav a:hover, nav a.active {
    background: var(--primary-yellow);
    color: var(--black);
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--primary-yellow);
    color: var(--black);
}

.btn-secondary:hover {
    background: var(--accent-yellow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: linear-gradient(45deg, var(--primary-yellow), transparent);
    opacity: 0.1;
    transform: rotate(15deg);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-single {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--black);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-text {
    text-align: left;
}

.hero-text .hero-buttons {
    justify-content: center;
    margin-top: 2rem;
    margin-left: -10px;
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--black);
}

.hero-text .highlight {
    color: var(--primary-yellow);
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.hero-highlight {
    background: var(--primary-yellow);
    color: var(--black);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    display: inline-block;
    margin: 0 auto 2rem;
    text-align: center;
}

.hero-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
}

.hero-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--black);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: var(--white);
}

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

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow), var(--accent-yellow));
}

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--black);
}

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

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 14px;
    height: 14px;
    fill: var(--black);
}

/* Products specific styles */
.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow), var(--accent-yellow));
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.product-specs {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-specs li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
    padding: 0.5rem 0;
}

.spec-icon {
    width: 20px;
    height: 20px;
    background: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.spec-icon svg {
    width: 12px;
    height: 12px;
    fill: var(--black);
}

.price-info {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.price-details {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.bucket-image {
    text-align: center;
    margin: 1rem 0;
}

.product-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.product-image {
    flex-shrink: 0;
}

.product-bucket {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.product-bucket:hover {
    transform: scale(1.05);
}

.product-title {
    flex: 1;
}

.product-packaging {
    background: var(--primary-yellow);
    color: var(--black);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    margin-top: 1rem;
}

/* Applications Section */
.applications {
    padding: 4rem 0;
    background: var(--light-gray);
}

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

.application-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.application-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--accent-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.application-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--black);
}

.application-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.application-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Certificate Section */
.certificate-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

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

.certificate-section .section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--black);
}

.certificate-section .section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.certificate-image {
    text-align: center;
    margin-top: 2rem;
}

.certificate-image a {
    display: inline-block;
    cursor: pointer;
}

.certificate-image img {
    max-width: 300px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.certificate-image img:hover {
    transform: scale(1.02);
}

.certificate-image p {
    margin-top: 1rem;
    color: var(--text-gray);
}

/* New Certificate Grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.certificate-item {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.certificate-item img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.certificate-item img:hover {
    transform: scale(1.02);
}

.certificate-item p {
    margin-top: 1rem;
    color: var(--text-gray);
    font-weight: 600;
}

.certificate-hint {
    text-align: center;
    color: var(--text-gray);
    font-style: italic;
    margin-top: 1rem;
}

/* Form Section */
.form-section {
    padding: 4rem 0;
    background: var(--white);
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--black);
    text-align: center;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
}

.form-help {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

.form-error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

.form-success {
    background: #D1FAE5;
    color: var(--success);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: none;
}

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

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

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-gray);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--light-gray);
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary-yellow);
    background: rgba(255, 215, 0, 0.05);
}

.file-upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-upload-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--black);
}

.file-upload-text {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.file-upload-hint {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.file-info {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.file-info.success {
    background: #D1FAE5;
    color: var(--success);
    border: 1px solid #A7F3D0;
}

.file-info.error {
    background: #FEE2E2;
    color: var(--error);
    border: 1px solid #FECACA;
}

.file-info-text {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.file-info-size {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Price Info Section */
.price-info {
    padding: 4rem 0;
    background: var(--light-gray);
}

.price-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.price-card-centered {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 300px;
    margin: 0 auto;
}

.price-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--black);
}

.price-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-yellow);
    margin-bottom: 0.5rem;
}

.price-card .price-details {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.price-features {
    list-style: none;
    text-align: left;
}

.price-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.price-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Contact Section */
.contact-section {
    padding: 2rem 0;
    background: var(--white);
}

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

.contact-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
}

.contact-card h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--black);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--black);
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.contact-info a {
    color: var(--primary-yellow);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.map-placeholder {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 8px;
    text-align: center;
}

.map-placeholder svg {
    width: 48px;
    height: 48px;
    fill: var(--text-gray);
}

/* Details Section */
.details-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

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

.details-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-gray);
}

.details-card h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--black);
}

.details-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.details-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--black);
}

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

.details-list li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-gray);
}

.details-list li:last-child {
    border-bottom: none;
}

/* Benefits Section */
.benefits {
    padding: 4rem 0;
    background: var(--light-gray);
}

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

.benefit-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--accent-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--black);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--black);
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn-white {
    background: var(--white);
    color: var(--black);
}

.btn-white:hover {
    background: var(--light-gray);
}

/* Footer */
footer {
    background: var(--black);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-yellow);
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-info a {
    color: var(--primary-yellow);
    text-decoration: none;
}

.footer-info a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid var(--dark-gray);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.7;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
    overflow: auto;
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 90%;
    max-height: 90%;
    cursor: default;
    text-align: center;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    object-fit: contain;
    transition: transform 0.3s ease;
    cursor: zoom-in;
}

.modal-content img:hover {
    transform: scale(1.05);
}

.modal-zoom-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10002;
}

.zoom-btn {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.zoom-btn:hover {
    background: rgba(0, 0, 0, 0.9);
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 10001;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
}

/* Modal Navigation Buttons */
.modal-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 10001;
}

.modal-nav-left {
    left: 20px;
}

.modal-nav-right {
    right: 20px;
}

.modal-nav-btn:hover {
    background: rgba(0, 0, 0, 0.9);
}

.certificate-counter {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 10001;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        gap: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    #mainNav {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 250px;
        background-color: var(--white);
        box-shadow: var(--shadow);
        padding: 2rem;
        z-index: 9;
    }

    #mainNav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
        text-align: left;
    }

    .cta-buttons {
        display: none;
    }

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

    .hero-single {
        text-align: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 2rem;
    }

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

    .feature-list {
        text-align: left;
    }

    .feature-list li {
        justify-content: flex-start;
    }

    .applications-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .form-section {
        padding: 2rem 0;
    }

    .form-card {
        padding: 1.5rem;
    }

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

    .form-actions {
        flex-direction: column;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        padding: 1rem;
    }

    .form-group label {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .form-help {
        font-size: 0.85rem;
    }

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

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

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

    .modal-content {
        max-width: 95%;
        margin: 10% auto;
    }

    .modal-content img {
        max-height: 80vh;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .benefit-card {
        padding: 1.5rem;
        text-align: center;
    }

    .benefit-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 1rem;
    }

    .benefit-icon svg {
        width: 30px;
        height: 30px;
    }

    .benefit-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
    }

    .benefit-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .product-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .product-bucket {
        width: 100px;
        height: 100px;
    }

    .product-packaging {
        margin-top: 0.5rem;
    }
}