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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0a0a;
}

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

/* Navigation */
.nav {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    width: 40px;
    height: 40px;
}

.nav-logo h1 {
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 1px;
}

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

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #ff6b35;
}

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(10, 10, 10, 0.8) 100%), url('pipes.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 140px 0 100px;
    margin-top: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-welcome h2 {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 3rem;
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.hero-contact-info p {
    font-size: 1.1rem;
    font-weight: 600;
}

.hero-contact-info strong {
    color: #ff6b35;
    margin-right: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
}

.social-links a:hover {
    color: #ffffff;
    transform: scale(1.1);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

.hero-contact-info strong {
    color: #ff6b35;
    margin-right: 0.5rem;
}

.hero-contact-info a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.hero-contact-info a:hover {
    color: #ff6b35;
}

/* Section Styles */
section {
    padding: 80px 0;
}

/* Gallery Section */
.gallery-section {
    background: #111111;
}

.gallery-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.gallery-scroll-container {
    flex: 1;
    overflow: hidden;
    border-radius: 15px;
}

.gallery-images-wrapper {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 1rem;
    scrollbar-width: none;
}

.gallery-images-wrapper::-webkit-scrollbar {
    display: none;
}

.gallery-item {
    flex: 0 0 auto;
    width: 300px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    border-color: #ff6b35;
    transform: scale(1.05);
}

.gallery-image {
    width: 300px;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-scroll-btn {
    background: rgba(255, 107, 53, 0.8);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    backdrop-filter: blur(5px);
}

.gallery-scroll-btn:hover {
    background: rgba(255, 107, 53, 1);
    transform: scale(1.1);
}

/* Carousel Section */
.carousel-section {
    background: #111111;
}

.carousel-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.carousel {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.carousel-btn {
    background: rgba(255, 107, 53, 0.8);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    backdrop-filter: blur(5px);
}

.carousel-btn:hover {
    background: rgba(255, 107, 53, 1);
    transform: scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #ff6b35;
    transform: scale(1.3);
}

.indicator:hover {
    background: rgba(255, 107, 53, 0.8);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 4rem;
    color: #ffffff;
    letter-spacing: 2px;
}

/* Services Section */
.services {
    background: #111111;
}

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

.service-item {
    text-align: center;
    padding: 3rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.service-item:hover {
    border-color: #ff6b35;
    transform: translateY(-5px);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 53, 0.3));
}

.service-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
    letter-spacing: 1px;
}

.service-item p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* About Section */
.about {
    background: #0a0a0a;
}

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

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat:hover {
    border-color: #ff6b35;
}

.stat h3 {
    font-size: 3rem;
    font-weight: 900;
    color: #ff6b35;
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.7);
}

/* FAQ Section */
.faq {
    background: #111111;
}

.faq-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.faq-category {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
}

.faq-category h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #ff6b35;
    letter-spacing: 1px;
}

.faq-item {
    margin-bottom: 2rem;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.faq-item p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Testimonials Section */
.testimonials {
    background: #0a0a0a;
}

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

.testimonial {
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.testimonial:hover {
    border-color: #ff6b35;
}

.testimonial p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.8);
}

.testimonial-author {
    font-weight: 600;
    color: #ff6b35;
    text-align: right;
}

/* Contact Section */
.contact {
    background: #111111;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ff6b35;
    letter-spacing: 1px;
}

.contact-item p,
.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #ff6b35;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    background: transparent;
    color: #ffffff;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.social-links a:hover {
    background: #ff6b35;
    border-color: #ff6b35;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: 'Inter', sans-serif;
    color: #ffffff;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b35;
    background: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background: #ff6b35;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-submit:hover {
    background: #e55a2b;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #0a0a0a;
    color: rgba(255, 255, 255, 0.6);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 10, 10, 0.98);
        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;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    .section-title {
        font-size: 2rem;
    }

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

    .faq-categories {
        grid-template-columns: 1fr;
    }

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

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

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

    .hero-contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}

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

    .section-title {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .stat {
        padding: 1.5rem;
    }

    .stat h3 {
        font-size: 2.5rem;
    }

    .service-item {
        padding: 2rem 1.5rem;
    }
}

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

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* FAQ Page Styles */
.faq-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    color: white;
    padding: 140px 0 80px;
    text-align: center;
}

.faq-hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.faq-hero-content p {
    font-size: 1.2rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

.faq-page {
    background: #111111;
    padding: 80px 0;
}

.faq-contact {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-contact h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.faq-contact p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.faq-contact .btn-submit {
    display: inline-block;
    width: auto;
    padding: 12px 30px;
}


/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }

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

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

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

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

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

    .section-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    /* Gallery responsive styles */
    .gallery-item {
        width: 250px;
    }

    .gallery-image {
        width: 250px;
        height: 200px;
    }

    .gallery-scroll-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat {
        padding: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

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

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* FAQ Page Styles */
.faq-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    color: white;
    padding: 140px 0 80px;
    text-align: center;
}

.faq-hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.faq-hero-content p {
    font-size: 1.2rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

.faq-page {
    background: #111111;
    padding: 80px 0;
}

.faq-contact {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-contact h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ff6b35;
}

.faq-contact p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.faq-contact .btn-submit {
    display: inline-block;
    width: auto;
    padding: 12px 30px;
}