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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

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

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px; /* space between logo and text */
}

.logo-img {
    width: 55px;   /* adjust size if needed */
    height: auto;
}

.company-name {
    margin: 0;
    font-size: 26px;         /* bigger heading */
    font-style: italic;      /* make it italic */
    color: #0BAA77;          /* set the required color */
    font-weight: bold;
}

.logo-text .tagline {
    font-size: 14px;
    color: #666;
}

.tagline {
    color: #93c5fd;
    font-size: 0.9rem;
    font-weight: 300;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover,
.nav-link.active {
    color: #fbbf24;
    background-color: rgba(255, 255, 255, 0.1);
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: white;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn {
    display: inline-block;
    background: #25d366;
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.whatsapp-btn:hover {
    background: #128c7e;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://plus.unsplash.com/premium_photo-1670981099521-f79d73ff73d6?q=80&w=1488&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #e2e8f0;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.chemical-animation {
    position: relative;
    width: 300px;
    height: 300px;
}

.molecule {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.molecule:nth-child(1) {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.molecule:nth-child(2) {
    top: 150px;
    right: 50px;
    animation-delay: 2s;
}

.molecule:nth-child(3) {
    bottom: 50px;
    left: 150px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #1e293b;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 2px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Product Highlights */
.product-highlights {
    padding: 80px 0;
    background: #f8fafc;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-weight: 600;
    text-align: center;
    padding: 1rem;
}

.product-image-placeholder.large {
    height: 300px;
}

.product-image-placeholder small {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 0.5rem;
}

.product-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: #1e293b;
}

.product-card p {
    padding: 0 1.5rem 1.5rem;
    margin-bottom: 0;
}

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

/* About Excel Section */
.about-excel {
    padding: 80px 0;
    background: #f8fafc;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #374151;
}

.about-content strong {
    color: #1e3a8a;
    font-weight: 600;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

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

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta p {
    color: #e2e8f0;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

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

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3b82f6;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
}

.page-header h1 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.page-header p {
    color: #64748b;
    font-size: 1.1rem;
}

/* Featured Products */
.featured-products {
    padding: 80px 0;
    background: white;
}

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

.featured-product {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.product-info h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.product-specs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.spec {
    background: #e2e8f0;
    color: #475569;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Complete Catalog */
.complete-catalog {
    padding: 80px 0;
    background: #f8fafc;
}

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

.catalog-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.catalog-section h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

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

.catalog-section ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
    color: #64748b;
}

.catalog-section ul li:last-child {
    border-bottom: none;
}

/* Contact Form */
.contact-content {
    padding: 80px 0;
    background: white;
}

.submit-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
    padding: 15px 32px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    grid-column: 1 / -1;
    width: fit-content;
    margin: 0 auto;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover::before {
    left: 100%;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.contact-form-section h2 {
    color: #1e293b;
    margin-bottom: 2rem;
}

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

.form-group:nth-child(4) {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    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: #3b82f6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Contact Info */
.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-info-card h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #64748b;
    margin-bottom: 0.25rem;
}

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

.benefits-list li {
    padding: 0.5rem 0;
    color: #64748b;
}

/* Map Section */
.map-section {
    padding: 80px 0;
    background: #f8fafc;
}

.map-placeholder {
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.map-content h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.map-content p {
    color: #64748b;
    margin-bottom: 2rem;
}

.global-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1e3a8a;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .featured-product {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .page-header {
        padding: 100px 0 40px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 15px;
    }
}

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

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

    .global-stats {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-2 {
    margin-top: 2rem;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cta,
    .hero-buttons {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}