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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Navigation */
.navbar {
    background: #1a1a1a;
    color: white;
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00bcd4;
    flex-shrink: 0;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    margin-left: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex: 1;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    white-space: nowrap;
}

.nav-links a:hover {
    color: #00bcd4;
}

.nav-contact {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.nav-contact a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    white-space: nowrap;
}

.nav-contact a:hover {
    color: #00bcd4;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Intro Section */
.intro {
    padding: 2rem 0;
    background: white;
    border-bottom: 1px solid #e0e0e0;
}

.intro p {
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 3rem;
    border-radius: 10px;
    color: white;
    max-width: 600px;
}

.hero-logo {
    height: 200px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1.5rem;
}

.hero-overlay h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero-overlay p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background: #00bcd4;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: #0097a7;
}

/* Services Section */
.services {
    padding: 4rem 0;
    background: #f5f5f5;
}

.services h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.service-category {
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
}

.service-category h3 {
    color: #00bcd4;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 0.5rem;
}

.service-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
}

.service-list li {
    padding: 0.5rem 1rem;
    background: #f9f9f9;
    border-left: 3px solid #00bcd4;
    color: #333;
}

.service-list li:before {
    content: "✓ ";
    color: #00bcd4;
    font-weight: bold;
}

/* Quality & Policy Section */
.quality {
    padding: 4rem 0;
    background: white;
}

.quality h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

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

.quality-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.policy-section {
    background: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #00bcd4;
}

.policy-section h3 {
    color: #00bcd4;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.policy-section p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.policy-section em {
    color: #999;
    font-size: 0.9rem;
}

.policy-list {
    list-style: none;
    padding-left: 0;
}

.policy-list li {
    padding: 0.5rem 0;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
}

.quality-image {
    display: flex;
    justify-content: center;
}

.iso-certificate {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

/* Service Area Section */
.service-area {
    padding: 4rem 0;
    background: #f5f5f5;
}

.service-area h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.coverage-description {
    text-align: center;
    color: #666;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.area-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: #00bcd4;
    border: 2px solid #e0e0e0;
    transition: all 0.3s;
    cursor: pointer;
}

.area-card:hover {
    background: #00bcd4;
    color: white;
    border-color: #00bcd4;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: white;
}

.contact h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #1a1a1a;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 500px;
    margin: 0 auto;
}

.contact-info h3 {
    color: #00bcd4;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.contact-info p {
    margin: 1rem 0;
    color: #666;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00bcd4;
    box-shadow: 0 0 5px rgba(0, 188, 212, 0.3);
}

.submit-button {
    background: #00bcd4;
    color: white;
    border: none;
    padding: 0.8rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #0097a7;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    margin: 0.5rem 0;
}

.footer a {
    color: #00bcd4;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
        margin-right: 1rem;
        order: 2;
    }

    .nav-center {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1a1a1a;
        flex-direction: column;
        gap: 0;
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-center.active {
        max-height: 500px;
        border-top: 1px solid #333;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 1rem 0;
    }

    .nav-links li {
        border-bottom: 1px solid #333;
    }

    .nav-links a {
        display: block;
        padding: 1rem 1.5rem;
    }

    .nav-contact {
        flex-direction: column;
        font-size: 0.9rem;
        gap: 0;
        width: 100%;
        padding: 0 1.5rem 1rem;
    }

    .nav-contact a {
        display: block;
        padding: 0.5rem 0;
    }

    .logo-image {
        height: 40px;
    }

    .navbar .container {
        flex-wrap: wrap;
        padding: 0 1rem;
    }

    .nav-logo {
        order: 1;
    }

    .hero-overlay h1 {
        font-size: 1.8rem;
    }

    .hero-overlay p {
        font-size: 1rem;
    }

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

    .service-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-contact {
        font-size: 0.85rem;
    }

    .hero-overlay {
        padding: 2rem 1rem;
    }

    .hero-overlay h1 {
        font-size: 1.5rem;
    }

    .hero-overlay p {
        font-size: 0.9rem;
    }
}