:root {
    --primary-black: #0A0A0A;
    --accent-yellow: #FFD700;
    --light-gray: #B0B0B0;
    --border-gray: #E0E0E0;
    --bg-light: #FAFAFA;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --honeycomb-bg: #F5F5DC;
}

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

body {
    font-family: 'Source Serif Pro', serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--primary-black);
    background-color: #FFFFFF;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: #FFFFFF;
    padding: 1rem 0;
    box-shadow: 0 2px 10px var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    position: relative;
}

.logo {
    height: 60px;
    width: auto;
    transition: height 0.3s ease;
}

.header.scrolled .logo {
    height: 50px;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--primary-black);
    margin: 3px 0;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-link {
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 500;
    font-family: 'Source Serif Pro', serif;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-yellow);
}

.nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-yellow);
}

.cta-phone {
    background: var(--accent-yellow);
    color: var(--primary-black);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-family: 'Source Serif Pro', serif;
    transition: all 0.3s ease;
}

.cta-phone:hover {
    background: #FFFFFF;
    color: var(--primary-black);
    box-shadow: 0 4px 15px var(--shadow-light);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/hero-background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 150px 0 6rem;
    text-align: center;
    color: #FFFFFF;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: #FFFFFF;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    font-size: 3.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    color: #FFFFFF;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

.hero-cta {
    background: #FFD000 !important;
    color: #000000 !important;
    padding: 12px 24px !important;
    text-decoration: none !important;
    border-radius: 6px !important;
    font-weight: bold !important;
    font-size: 16px !important;
    border: none !important;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.hero-cta:hover {
    background: #e6b800 !important;
    color: #000000 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* Company Overview Section */
.company-overview {
    padding: 4rem 0;
    background: #FFFFFF;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.overview-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s ease;
}

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

.overview-card h3 {
    color: var(--primary-black);
    margin-bottom: 1rem;
}

.learn-more-section {
    text-align: center;
}

.learn-more-btn {
    background: var(--accent-yellow);
    color: var(--primary-black);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.learn-more-btn:hover {
    background: #E6C200;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* Industries Section */
.industries {
    padding: 4rem 0;
    background: var(--honeycomb-bg);
    position: relative;
}

.industries::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,0 93.3,25 93.3,75 50,100 6.7,75 6.7,25" fill="none" stroke="rgba(255,215,0,0.2)" stroke-width="1"/></svg>') repeat;
    background-size: 80px 80px;
    opacity: 0.5;
}

.industries .container {
    position: relative;
    z-index: 2;
}

.industries h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    justify-items: start;
}

.industry-card {
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s ease;
    width: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

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

/* Why Choose Us Section */
.why-choose-us {
    padding: 4rem 0;
    background: #FFFFFF;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    justify-items: start;
}

.feature-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s ease;
    text-align: center;
    width: 100%;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

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

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

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: var(--honeycomb-bg);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,0 93.3,25 93.3,75 50,100 6.7,75 6.7,25" fill="none" stroke="rgba(255,215,0,0.2)" stroke-width="1"/></svg>') repeat;
    background-size: 80px 80px;
    opacity: 0.5;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.contact-form {
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 5px;
    font-family: 'Source Serif Pro', serif;
    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: var(--accent-yellow);
}

.submit-btn {
    background: var(--accent-yellow);
    color: var(--primary-black);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: #E6C200;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.contact-info {
    background: #FFFFFF;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.contact-details {
    margin-top: 2rem;
}

.contact-details p {
    margin-bottom: 1rem;
}

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

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

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-section h4 {
    color: var(--accent-yellow);
    margin-bottom: 1rem;
}

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

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

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

.footer-section ul li a:hover {
    color: var(--accent-yellow);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
}

/* Animations */
.overview-card,
.industry-card,
.feature-card,
.value-card,
.apart-card,
.cert-card,
.service-content,
.feature-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.overview-card.animate-in,
.industry-card.animate-in,
.feature-card.animate-in,
.value-card.animate-in,
.apart-card.animate-in,
.cert-card.animate-in,
.service-content.animate-in,
.feature-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .industries-grid,
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary-black);
    }
    
    .nav-links.mobile-menu {
        display: flex;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        z-index: 1000;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.mobile-menu.active {
        transform: translateY(0);
    }
    
    .nav-links.mobile-menu .nav-link {
        margin: 0.5rem 0;
        padding: 1rem;
        border-radius: 5px;
        transition: background 0.3s ease;
    }
    
    .nav-links.mobile-menu .nav-link:hover {
        background: var(--bg-light);
    }
    
    .cta-button {
        margin-top: 1rem;
        border-radius: 50px;
        padding: 1rem 1.5rem;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }
    
    body.menu-open {
        overflow: hidden;
    }
    
    body.menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .hero {
        background-attachment: scroll;
        min-height: 80vh;
        padding: 120px 0 4rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    .overview-grid,
    .industries-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        min-height: 70vh;
        padding: 100px 0 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        font-size: 14px;
        padding: 10px 18px;
    }
    
    .overview-grid,
    .industries-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}