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

:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6b35;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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


/* Hero Section */
.hero-section {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-item span {
    font-weight: 500;
    color: var(--text-dark);
}

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

.cta-btn-primary {
    background: var(--gradient);
    color: var(--white);
    padding: 16px 40px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.cta-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4);
}

.cta-btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    padding: 16px 40px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    background: var(--dark-bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #a0d8f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Quality Assurance Banner */
.quality-banner {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.quality-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 40px;
}

.quality-services {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.quality-service-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.quality-service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.service-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.quality-service-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.quality-service-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.quality-note {
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 20px;
}

/* Grades Section */
.grades-section {
    padding: 100px 0;
    background: var(--white);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.grades-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.grade-tab {
    padding: 12px 30px;
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.grade-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.grade-tab.active {
    background: var(--gradient);
    color: var(--white);
    border-color: transparent;
}

.grades-content {
    position: relative;
}

.grade-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.grade-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.grade-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.grade-images {
    position: sticky;
    top: 100px;
}

.main-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.main-image:hover img {
    transform: scale(1.05);
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

.thumbnail:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.thumbnail.active {
    border-color: var(--primary-color);
}

.grade-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.grade-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.parts-list {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.parts-list h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.parts-list ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.parts-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.parts-list li:before {
    content: "✓";
    display: inline-block;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Other Materials CTA Section */
.other-materials-cta {
    padding: 80px 0;
    background: var(--gradient);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content > p {
    font-size: 1.2rem;
    opacity: 0.95;
    margin-bottom: 40px;
}

.materials-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.material-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.material-badge:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.cta-btn-large {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 18px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Manufacturing Capabilities Section */
.capabilities-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.capability-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.capability-image {
    height: 220px;
    overflow: hidden;
}

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

.capability-card:hover .capability-image img {
    transform: scale(1.1);
}

.capability-content {
    padding: 25px;
}

.capability-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.capability-specs {
    list-style: none;
    margin-bottom: 25px;
}

.capability-specs li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.capability-specs li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.capability-cta {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 12px 20px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.capability-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.other-processes {
    text-align: center;
    padding: 50px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.other-processes h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.other-processes p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Surface Finishing Section */
.surface-finishing-section {
    padding: 100px 0;
    background: var(--white);
}

.finishing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.finishing-card {
    background: var(--light-bg);
    padding: 40px 25px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.finishing-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.finishing-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    color: var(--primary-color);
}

.finishing-icon svg {
    width: 100%;
    height: 100%;
}

.finishing-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 12px;
}

.finishing-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.finishing-cta-card {
    background: var(--gradient);
    color: var(--white);
    border-color: transparent;
}

.finishing-cta-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.3);
}

.finishing-cta-card .finishing-icon {
    color: var(--white);
}

.finishing-cta-card h3,
.finishing-cta-card p {
    color: var(--white);
}

.finishing-cta-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 30px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.finishing-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* Industry Solutions Section */
.industry-solutions-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.industry-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.industry-tab {
    padding: 12px 30px;
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.industry-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.industry-tab.active {
    background: var(--gradient);
    color: var(--white);
    border-color: transparent;
}

.industry-contents {
    position: relative;
    min-height: 400px;
}

.industry-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.industry-content.active {
    display: block;
}

.industry-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.industry-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.industry-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.industry-parts h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.industry-parts ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.industry-parts li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.industry-parts li:before {
    content: "✓";
    position: absolute;
    left: 0;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.industry-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.industry-layout:hover .industry-image img {
    transform: scale(1.05);
}

/* Why Choose Us Section */
.why-choose-section {
    padding: 100px 0;
    background: var(--white);
}

.why-choose-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Factory Carousel */
.factory-carousel {
    position: sticky;
    top: 100px;
}

.carousel-main-image {
    position: relative;
    height: 450px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
}

.carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-img.active {
    opacity: 1;
    z-index: 1;
}

.carousel-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.carousel-thumb {
    height: 100px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.carousel-thumb:hover {
    opacity: 1;
    transform: translateY(-5px);
}

.carousel-thumb.active {
    border-color: var(--primary-color);
    opacity: 1;
}

/* Advantages List */
.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.advantage-item {
    display: flex;
    gap: 25px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.advantage-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.advantage-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.advantage-content p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Success Cases Section */
.success-cases-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.cases-carousel-wrapper {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
}

.cases-carousel {
    position: relative;
    overflow: hidden;
}

.case-slide {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.case-slide.active {
    display: grid;
    animation: fadeIn 0.5s ease;
}

.case-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.case-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-slide:hover .case-image img {
    transform: scale(1.05);
}

.case-badge {
    display: inline-block;
    padding: 6px 15px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.case-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 25px;
    line-height: 1.3;
}

.case-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.spec-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.spec-value {
    font-size: 1rem;
    color: var(--dark-bg);
    font-weight: 700;
}

.case-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 25px;
}

.case-results {
    display: flex;
    gap: 30px;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.result-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

.carousel-indicators {
    display: flex;
    gap: 12px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator:hover {
    background: var(--primary-color);
    transform: scale(1.2);
}

.indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* Surface Finishing Section */
.surface-finishing-section {
    padding: 100px 0;
    background: var(--white);
}

.finishing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.finishing-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.finishing-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
}

.finishing-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--primary-color);
}

.finishing-icon svg {
    width: 100%;
    height: 100%;
}

.finishing-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.finishing-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

.finishing-cta-card {
    background: var(--gradient);
    color: var(--white);
}

.finishing-cta-card:hover {
    background: var(--gradient);
    border-color: var(--white);
}

.finishing-cta-card h3,
.finishing-cta-card p {
    color: var(--white);
}

.finishing-cta-card .finishing-icon {
    color: var(--white);
}

.finishing-cta-btn,
button.finishing-cta-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 25px;
    background: var(--white);
    color: var(--primary-color) !important;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

.finishing-cta-btn:hover,
button.finishing-cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
    color: var(--primary-color) !important;
}

/* Industry Solutions Section */
.industry-solutions-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.industry-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.industry-tab {
    padding: 12px 30px;
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.industry-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.industry-tab.active {
    background: var(--gradient);
    color: var(--white);
    border-color: transparent;
}

.industry-content {
    display: none;
}

.industry-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.industry-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.industry-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.industry-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.industry-parts {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
}

.industry-parts h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.industry-parts ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.industry-parts li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.industry-parts li:before {
    content: "▸";
    color: var(--primary-color);
    font-weight: bold;
}

.industry-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

/* Why Choose Us Section */
.why-choose-section {
    padding: 100px 0;
    background: var(--white);
}

.why-choose-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.factory-carousel {
    position: sticky;
    top: 100px;
}

.carousel-main-image {
    position: relative;
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 20px;
}

.carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.carousel-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.carousel-thumb {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

.carousel-thumb:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.carousel-thumb.active {
    border-color: var(--primary-color);
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.advantage-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.advantage-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Success Cases Section */
.success-cases-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.cases-carousel-wrapper {
    position: relative;
}

.cases-carousel {
    position: relative;
    overflow: hidden;
}

.case-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.case-slide.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.case-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.case-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.case-badge {
    display: inline-block;
    padding: 6px 15px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.case-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 20px;
}

.case-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-bg);
}

.case-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.case-results {
    display: flex;
    gap: 40px;
}

.result-item {
    display: flex;
    flex-direction: column;
}

.result-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

.carousel-indicators {
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.faq-item {
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 10px 0;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-bg);
    margin: 0;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 15px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

/* Samples Gallery Section */
.samples-gallery-section {
    padding: 100px 0;
    background: var(--white);
}

.samples-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.sample-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sample-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.sample-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

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

.sample-item h3 {
    padding: 20px;
    background: var(--white);
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-bg);
    text-align: center;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
}

.info-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 8px;
}

.info-content p {
    color: var(--text-light);
    line-height: 1.6;
}

.info-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.info-content a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.submit-btn {
    grid-column: 1 / -1;
    padding: 16px 40px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8);
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: var(--white);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--light-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: var(--primary-color);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-dark);
}

.modal-close:hover svg {
    stroke: var(--white);
}

.modal-content {
    padding: 50px 40px 40px;
}

.modal-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.modal-description {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.modal-description a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.modal-description a:hover {
    text-decoration: underline;
}

.modal-form {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

/* Button Styles for Modal Triggers */
button.cta-btn,
button.cta-btn-primary,
button.cta-btn-secondary,
button.cta-btn-large,
button.capability-cta,
button.finish-cta-btn,
button.finishing-cta-btn {
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

button.cta-btn-secondary {
    background: var(--white);
    color: var(--primary-color);
}

/* Alloys Comparison Table */
.grades-table-wrapper {
    padding: 40px;
}

.table-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.table-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.alloys-comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    font-size: 0.9rem;
}

.alloys-comparison-table thead {
    background: var(--gradient);
    color: var(--white);
}

.alloys-comparison-table th {
    padding: 18px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.alloys-comparison-table td {
    padding: 16px 15px;
    border-bottom: 1px solid #e0e0e0;
    color: var(--text-dark);
    line-height: 1.6;
}

.alloys-comparison-table tbody tr:hover {
    background: var(--light-bg);
}

.alloys-comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.alloys-comparison-table td:first-child {
    font-weight: 600;
}

.table-footer {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.footer-note {
    font-size: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-note strong {
    color: var(--primary-color);
}

.table-footer .cta-btn-primary {
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-right {
        gap: 15px;
    }

    .email-link {
        display: none;
    }

    .grade-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .grade-images {
        position: relative;
        top: 0;
    }

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

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

    .cta-content h2 {
        font-size: 1.8rem;
    }

    .materials-list {
        gap: 10px;
    }

    .material-badge {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

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

    .other-processes {
        padding: 30px 20px;
    }

    .other-processes h3 {
        font-size: 1.5rem;
    }

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

    .industry-layout {
        grid-template-columns: 1fr;
        padding: 30px;
        gap: 40px;
    }

    .industry-parts ul {
        grid-template-columns: 1fr;
    }

    .why-choose-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .factory-carousel {
        position: relative;
        top: 0;
    }

    .carousel-main-image {
        height: 300px;
    }

    .carousel-thumb {
        height: 70px;
    }

    .case-slide {
        grid-template-columns: 1fr;
        padding: 30px;
        gap: 30px;
    }

    .case-image img {
        height: 250px;
    }

    .case-content h3 {
        font-size: 1.5rem;
    }

    .case-specs {
        grid-template-columns: 1fr;
    }

    .samples-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .contact-form-wrapper {
        padding: 30px;
    }

    .grades-table-wrapper {
        padding: 30px 20px;
    }

    .table-title {
        font-size: 1.5rem;
    }

    .table-intro {
        font-size: 1rem;
    }

    .alloys-comparison-table {
        font-size: 0.8rem;
    }

    .alloys-comparison-table th,
    .alloys-comparison-table td {
        padding: 12px 10px;
    }

    .table-footer {
        padding: 20px;
    }

    .quality-title {
        font-size: 1.5rem;
    }

    .quality-services {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .quality-service-item {
        padding: 25px 15px;
    }

    .quality-service-item h4 {
        font-size: 1rem;
    }

    .quality-service-item p {
        font-size: 0.85rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .cta-btn-primary,
    .cta-btn-secondary {
        text-align: center;
        width: 100%;
    }

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

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

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

    .grades-tabs {
        gap: 8px;
    }

    .grade-tab {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

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

    .industry-tabs {
        gap: 8px;
    }

    .industry-tab {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .case-image img {
        height: 300px;
    }

    .case-specs {
        grid-template-columns: 1fr;
    }

    .case-results {
        flex-direction: column;
        gap: 20px;
    }

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

    .whatsapp-float {
        right: 20px;
        bottom: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }

    .modal-content {
        padding: 40px 25px 30px;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-description {
        font-size: 0.95rem;
    }

    .modal-form {
        padding: 20px;
    }

    .grades-table-wrapper {
        padding: 20px 15px;
    }

    .table-title {
        font-size: 1.3rem;
    }

    .alloys-comparison-table {
        font-size: 0.75rem;
    }

    .alloys-comparison-table th,
    .alloys-comparison-table td {
        padding: 10px 8px;
        font-size: 0.75rem;
    }

    .alloys-comparison-table th {
        font-size: 0.8rem;
    }

    .footer-note {
        font-size: 0.9rem;
    }

    .quality-title {
        font-size: 1.3rem;
        padding: 0 15px;
    }

    .quality-services {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .quality-service-item {
        padding: 20px 15px;
    }

    .quality-note {
        font-size: 0.85rem;
        padding: 0 15px;
    }
}