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

:root {
    --primary: #2C3E50;
    --primary-dark: #1C2833;
    --primary-light: #ECF0F1;
    --accent: #E74C3C;
    --accent-dark: #C0392B;
    --secondary: #7F8C8D;
    --dark: #1A1A1A;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--primary);
    line-height: 1.6;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    color: var(--primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
    margin-right: 32px;
}

.logo-image {
    height: 44px;
    width: auto;
    display: block;
    transform: scale(2);
    transform-origin: left center;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--accent);
}

nav a:hover::after {
    width: 100%;
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    font-size: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 26px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

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

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

.btn-outline:hover {
    background-color: var(--white);
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary);
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.5) 0%, rgba(44, 62, 80, 0.3) 100%), url('https://images.unsplash.com/photo-1713371398485-7bde1bde9def?q=80&w=1243&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 90vh;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 70px;
    position: relative;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
    color: #FFFFFF;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

.hero p {
    font-size: 19px;
    margin-bottom: 35px;
    line-height: 1.6;
    opacity: 0.95;
    font-weight: 300;
}

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

/* ===== SECTIONS ===== */
section {
    padding: 80px 0;
}

section.light-bg {
    background-color: var(--light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    letter-spacing: -0.5px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.section-header p {
    font-size: 17px;
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-content h2 {
    font-size: 40px;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.about-content p {
    margin-bottom: 18px;
    color: var(--secondary);
    line-height: 1.8;
    font-size: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 35px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--primary-light);
    border-radius: 4px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.08);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(231, 76, 60, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-overlay i {
    font-size: 40px;
    color: var(--white);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.service-content p {
    color: var(--secondary);
    line-height: 1.7;
}

/* ===== CLIENTS & EQUIPMENT ===== */
.clients-section {
    background-color: var(--white);
    padding: 60px 0;
    border-top: 1px solid var(--primary-light);
    border-bottom: 1px solid var(--primary-light);
}

.clients-header {
    text-align: center;
    margin-bottom: 50px;
}

.clients-header h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 30px;
    align-items: center;
    justify-items: center;
    margin-bottom: 50px;
}

.client-logo {
    text-align: center;
    padding: 18px;
    background-color: var(--white);
    border: 1px solid var(--primary-light);
    border-radius: 4px;
    width: 100%;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.client-logo:hover {
    background-color: var(--white);
    color: var(--accent);
    border-color: var(--accent);
}

.client-logo img {
    max-height: 36px;
    max-width: 120px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: grayscale(1);
    opacity: 0.9;
    transition: all 0.3s ease;
}

.client-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.equipment-item {
    background-color: var(--light);
    padding: 25px;
    border-radius: 4px;
    border-left: 4px solid var(--accent);
}

.equipment-item h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--primary);
}

.equipment-item ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.equipment-item li {
    padding: 8px 0;
    color: var(--secondary);
    font-size: 14px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

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

.equipment-item li:before {
    content: "✓ ";
    color: var(--accent);
    font-weight: bold;
    margin-right: 8px;
}

/* ===== TRUST BADGES ===== */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin: 40px 0;
    padding: 30px;
    background-color: var(--primary-light);
    border-radius: 4px;
}

.badge {
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.badge-icon {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 10px;
}

.badge-text {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.cert-card {
    background-color: var(--white);
    padding: 35px;
    border-radius: 4px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-top: 3px solid var(--accent);
}

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

.cert-icon {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 15px;
}

.cert-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.cert-card p {
    color: var(--secondary);
    font-size: 13px;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    padding: 35px;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-text {
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.8;
    font-style: italic;
    font-size: 15px;
}

.testimonial-author {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 5px;
}

.testimonial-company {
    color: var(--secondary);
    font-size: 13px;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 22px;
    flex-shrink: 0;
}

.contact-details strong {
    display: block;
    color: var(--primary);
    margin-bottom: 5px;
    font-size: 14px;
}

.contact-details span {
    color: var(--secondary);
    font-size: 14px;
}

.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-message {
    display: none;
    margin-bottom: 20px;
    padding: 12px 14px;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    border: 1px solid transparent;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    background-color: #e9f7ef;
    color: #1e7e34;
    border-color: #c3e6cb;
}

.form-message.error {
    background-color: #fdecea;
    color: #b02a37;
    border-color: #f5c2c7;
}

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 17px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    letter-spacing: -0.5px;
    color: var(--white);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    width: 35px;
    height: 2px;
    background-color: var(--accent);
    bottom: 0;
    left: 0;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    nav ul {
        gap: 20px;
    }

    .logo-image {
        height: 48px;
        transform: scale(1.8);
        filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
    }

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

    .hero h1 {
        font-size: 42px;
    }

    .section-header h2 {
        font-size: 34px;
    }

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

@media (max-width: 768px) {
    .header-wrapper {
        padding: 15px 0;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: 20px;
        gap: 0;
    }

    nav ul.active {
        display: flex;
    }

    nav a {
        padding: 12px 0;
        display: block;
        border-bottom: 1px solid var(--light);
    }

    .cta-group {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        height: 70vh;
        margin-top: 60px;
        background-attachment: scroll;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 28px;
    }

    section {
        padding: 60px 0;
    }

    .services-grid,
    .certs-grid {
        grid-template-columns: 1fr;
    }

    .clients-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
        gap: 20px;
    }

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

    .trust-badges {
        padding: 20px;
        gap: 20px;
    }

    .badge {
        min-width: auto;
    }

    .contact-form {
        padding: 25px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    .logo-text {
        font-size: 18px;
    }

    .logo-image {
        height: 36px;
        transform: scale(1.6);
    }

    .header-wrapper {
        gap: 10px;
    }

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

    .client-logo {
        padding: 14px;
        min-height: 64px;
    }

    .service-content {
        padding: 22px;
    }

    .contact-item {
        gap: 14px;
    }

    .contact-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .hero h1 {
        font-size: 26px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    section {
        padding: 40px 0;
    }

    .stat-number {
        font-size: 24px;
    }
}