:root {
    --color-primary: #1a237e;
    --color-secondary: #ff6f00;
    --color-dark: #121212;
    --color-light: #f5f5f5;
    --color-gray: #757575;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
.main-nav {
    background-color: var(--color-dark);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-link {
    display: block;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    margin: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--color-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
}

.nav-links a:hover {
    color: var(--color-secondary);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-links a.active {
    color: var(--color-secondary);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section & Slider */
.hero {
    position: relative;
    height: 60vh;
    overflow: hidden;
}

.subpage-hero {
    height: 48vh;
    position: relative;
}

.hero-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Roboto Condensed', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    z-index: 2;
    letter-spacing: 2px;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-align: center;
    width: auto;
    min-width: 60%;
}

.slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

h2 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.service-card:hover {
    transform: translateY(-5px);
    text-decoration: none;
    color: inherit;
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card h3 {
    padding: 1rem;
    color: var(--color-primary);
}

.service-card p {
    padding: 0 1rem 1rem;
    color: var(--color-gray);
}

/* About Section */
.about {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 4rem 0;
}

.about h2 {
    color: var(--color-light);
}

.about-content {
    text-align: center;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background-color: var(--color-light);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    padding: 2rem 0;
}

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

.contact-info p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-info a, .footer-contact a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover, .footer-contact a:hover {
    color: var(--color-secondary);
}

.delivery-info h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.delivery-info p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Content Box Styles */
.content-box {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    margin-bottom: 2rem;
}

.content-box:hover {
    transform: translateY(-5px);
}

.content-box h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.content-box p {
    margin-bottom: 1rem;
    color: var(--color-gray);
}

.content-box ul {
    list-style: none;
    padding-left: 1.5rem;
}

.content-box li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.content-box li::before {
    content: "•";
    color: var(--color-secondary);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

/* Process Steps Grid */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.step-box {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

.step-box:hover {
    transform: translateY(-5px);
}

.step-box h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step-box ul {
    list-style: none;
    padding-left: 1.5rem;
}

.step-box li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.step-box li::before {
    content: "→";
    color: var(--color-secondary);
    position: absolute;
    left: -1.5rem;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .process-grid,
    .categories-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.company-info, .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.company-info p:first-child {
    font-weight: bold;
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 0.8rem;
    }

    .nav-links {
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
        padding: 0 0.5rem;
    }

    .nav-links a {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }

    .logo-link {
        justify-content: center;
    }

    .logo-img {
        height: 35px;
    }

    .hero-title {
        font-size: 2.5rem;
        padding: 0.8rem 1.5rem;
        min-width: 80%;
    }

    .hero {
        height: 40vh;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Welding Equipment Section */
.welding-equipment {
    padding: 4rem 0;
    background-color: var(--color-light);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.equipment-card {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.equipment-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.equipment-content p {
    margin-bottom: 1rem;
    color: var(--color-gray);
}

.equipment-content ul {
    list-style: none;
    padding-left: 1.5rem;
}

.equipment-content li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.equipment-content li::before {
    content: "•";
    color: var(--color-secondary);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

/* Consumables Section */
.consumables {
    padding: 4rem 0;
    background-color: var(--color-primary);
    color: var(--color-light);
}

.consumables h2 {
    color: var(--color-light);
}

.consumables-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 2rem;
}

.consumables-category h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: var(--color-secondary);
}

.consumables-category ul {
    list-style: none;
}

.consumables-category li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.consumables-category li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

/* Gas Welding Section */
.gas-welding {
    padding: 4rem 0;
    background-color: var(--color-light);
}

.gas-welding-content {
    max-width: 800px;
    margin: 0 auto;
}

.gas-welding-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--color-gray);
}

.gas-welding-content ul {
    list-style: none;
    padding-left: 1.5rem;
}

.gas-welding-content li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.gas-welding-content li::before {
    content: "•";
    color: var(--color-secondary);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

/* Service CTA Section */
.service-cta {
    padding: 4rem 0;
    background-color: var(--color-primary);
    color: var(--color-light);
    text-align: center;
}

.service-cta h2 {
    color: var(--color-light);
}

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

.cta-content p {
    margin: 1.5rem 0;
    font-size: 1.2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--color-secondary);
    color: var(--color-light);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #f57c00;
}

/* Active Navigation Link */
.nav-links a.active {
    color: var(--color-secondary);
}

/* Video Container Styles */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    margin-bottom: 2rem;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

/* Responsive Design Updates */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .equipment-grid,
    .consumables-list {
        grid-template-columns: 1fr;
    }

    .equipment-card,
    .consumables-category {
        padding: 1.5rem;
    }
}

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

    .service-card {
        margin: 0 auto;
        max-width: 320px;
    }

    .nav-links {
        font-size: 0.9rem;
    }

    .equipment-card h3 {
        font-size: 1.3rem;
    }
}