/* ========================================
   RACH INFRA - Batching Plant Rental
   Premium Landing Page Styles
   Theme: Orange & Blue
   ======================================== */

/* CSS Variables & Base Settings */
:root {
    --orange-primary: #FF6B35;
    --orange-secondary: #F7931E;
    --blue-primary: #1E3A8A;
    --blue-secondary: #2563EB;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --gradient-orange: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    --gradient-blue: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.btn-hero {
    padding: 18px 36px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-orange {
    background: var(--gradient-orange);
    color: var(--white);
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.3);
}

.btn-blue {
    background: var(--gradient-blue);
    color: var(--white);
}

.btn-blue:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(255, 107, 53, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-subtitle .highlight {
    font-weight: 600;
    display: block;
    margin-top: 10px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item i {
    font-size: 32px;
    color: var(--orange-secondary);
}

.stat-item h3 {
    font-size: 32px;
    color: var(--white);
    margin-bottom: 0;
}

.stat-item p {
    font-size: 14px;
    color: var(--white);
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 32px;
    color: var(--white);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: var(--gradient-orange);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* Rental Models Section */
.rental-models {
    padding: 100px 0;
    background: var(--gray-50);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.model-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-blue);
    transition: var(--transition-normal);
}

.model-card.premium::before {
    background: var(--gradient-orange);
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.model-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-orange);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.model-badge.standard {
    background: var(--gradient-blue);
}

.model-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.model-card.premium .model-icon {
    background: var(--gradient-orange);
}

.model-icon i {
    font-size: 36px;
    color: var(--white);
}

.model-title {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--gray-900);
}

.model-tagline {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 25px;
}

.model-description p {
    color: var(--gray-700);
    line-height: 1.7;
}

.model-features {
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.feature-item i {
    color: var(--orange-primary);
    font-size: 20px;
    margin-top: 3px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--gray-900);
}

.feature-item p {
    font-size: 14px;
    color: var(--gray-600);
}

.model-clients {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.model-clients h4 {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--gray-700);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.client-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.client-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--white);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-model {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 16px;
}

/* Plant Capacity Section */
.plant-capacity {
    padding: 100px 0;
    background: var(--white);
}

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

.capacity-btn {
    padding: 14px 28px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    color: var(--gray-700);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.capacity-btn:hover {
    border-color: var(--orange-primary);
    color: var(--orange-primary);
}

.capacity-btn.active {
    background: var(--gradient-orange);
    color: var(--white);
    border-color: var(--orange-primary);
    box-shadow: var(--shadow-lg);
}

.capacity-details {
    display: none;
}

.capacity-details.active {
    display: block;
}

.capacity-cta {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background: var(--gray-50);
    border-radius: 20px;
}

.capacity-cta p {
    font-size: 20px;
    color: var(--gray-700);
    margin-bottom: 20px;
}

/* Technology Features */
.tech-features {
    padding: 100px 0;
    background: var(--gradient-blue);
    color: var(--white);
}

.tech-features .section-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tech-features .section-title,
.tech-features .section-subtitle {
    color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 35px;
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-orange);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 32px;
    color: var(--white);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-card p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* Benefits Section */
.benefits-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(30, 58, 138, 0.05) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 35px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.benefit-card:hover {
    border-color: var(--orange-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    font-size: 36px;
    color: var(--white);
}

.benefit-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.benefit-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--orange-primary);
}

.pricing-card.featured {
    border-color: var(--blue-primary);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-blue);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.pricing-header {
    text-align: center;
    margin-bottom: 35px;
}

.pricing-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-orange);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pricing-card.featured .pricing-icon {
    background: var(--gradient-blue);
}

.pricing-icon i {
    font-size: 36px;
    color: var(--white);
}

.pricing-header h3 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--gray-900);
}

.pricing-subtitle {
    font-size: 16px;
    color: var(--gray-600);
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
}

.pricing-feature i {
    color: #10B981;
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.pricing-feature span {
    font-size: 15px;
    color: var(--gray-700);
}

.pricing-benefits {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.pricing-benefits h4 {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--gray-700);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.pricing-benefits ul {
    list-style: none;
}

.pricing-benefits li {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.pricing-benefits li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--orange-primary);
    font-weight: 700;
}

.btn-pricing {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 16px;
}

.pricing-note {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    box-shadow: var(--shadow-md);
}

.pricing-note i {
    color: var(--blue-primary);
    font-size: 24px;
    flex-shrink: 0;
}

.pricing-note p {
    color: var(--gray-700);
    line-height: 1.7;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
}

.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    padding: 35px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    border: 2px solid var(--gray-100);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--orange-primary);
}

.testimonial-header {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.company-logo {
    width: 60px;
    height: 60px;
    background: var(--gradient-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.company-logo i {
    font-size: 28px;
    color: var(--white);
}

.company-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--gray-900);
}

.company-info p {
    font-size: 14px;
    color: var(--gray-600);
}

.testimonial-content {
    position: relative;
    margin-bottom: 25px;
}

.quote-icon {
    color: var(--orange-primary);
    font-size: 36px;
    opacity: 0.3;
    margin-bottom: 15px;
}

.testimonial-content p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-700);
    font-style: italic;
}

.testimonial-footer {
    border-top: 1px solid var(--gray-200);
    padding-top: 20px;
}

.rating {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
}

.rating i {
    color: #F59E0B;
    font-size: 16px;
}

.author {
    font-size: 14px;
    color: var(--gray-600);
}

.client-logos {
    text-align: center;
    background: var(--gray-50);
    padding: 40px;
    border-radius: 20px;
}

.client-logos h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--gray-900);
}

.logos-marquee {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.7;
    transition: var(--transition-normal);
}

.logo-item:hover {
    opacity: 1;
}

.logo-item i {
    font-size: 36px;
    color: var(--blue-primary);
}

.logo-item span {
    font-weight: 600;
    color: var(--gray-700);
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: var(--gradient-blue);
    color: var(--white);
}

.contact-section .section-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-2xl);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 10px;
    font-size: 14px;
}

.form-group label i {
    color: var(--orange-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 15px;
    transition: var(--transition-normal);
    color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

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

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 18px;
    font-size: 16px;
    background: var(--gradient-orange);
    color: var(--white);
    margin-top: 10px;
}

.form-success {
    display: none;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-2xl);
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 64px;
    color: #10B981;
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.form-success p {
    font-size: 16px;
    color: var(--gray-600);
}

.form-success .quote-number {
    display: none;
    margin-top: 15px;
    font-weight: 600;
    color: var(--gray-800);
}

.form-success .quote-number.show {
    display: block;
}

.form-success .quote-preview {
    display: none;
    margin-top: 25px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    overflow: hidden;
    background: #f9fafb;
}

.form-success .quote-preview iframe {
    width: 100%;
    min-height: 480px;
    border: none;
    background: #fff;
}

.form-success .quote-preview.show {
    display: block;
}

.form-success .quote-actions {
    margin-top: 25px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.form-success .quote-actions .btn {
    min-width: 220px;
}

#quoteDownload {
    display: none;
    align-items: center;
    gap: 8px;
}

#quoteDownload.show {
    display: inline-flex;
}

.contact-info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
}

.contact-info-card h3 {
    color: var(--white);
    font-size: 24px;
    margin-bottom: 25px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 22px;
    color: var(--white);
}

.info-content h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 5px;
}

.info-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-bottom: 8px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: var(--transition-normal);
}

.contact-link:hover {
    color: var(--orange-secondary);
}

.btn-site-visit {
    background: var(--gradient-orange);
    color: var(--white);
    padding: 12px 24px;
    margin-top: 10px;
}

.contact-cta-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    margin-top: 25px;
}

.contact-cta-card i {
    font-size: 48px;
    color: var(--orange-secondary);
    margin-bottom: 15px;
}

.contact-cta-card h3 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 10px;
}

.contact-cta-card p {
    color: rgba(255, 255, 255, 0.9);
}

.certifications-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
    margin-top: 25px;
}

.certifications-card h4 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 20px;
}

.cert-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 10px;
}

.cert-item i {
    color: var(--orange-secondary);
    font-size: 20px;
}

.cert-item span {
    color: var(--white);
    font-weight: 500;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-orange);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .models-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .models-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .capacity-selector {
        flex-direction: column;
    }
    
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .btn-hero {
        padding: 14px 24px;
        font-size: 14px;
    }
}

/* Integration Dashboard Section */
.integration-section {
    padding: 100px 0;
    background: var(--gray-50);
}

.dashboard-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: start;
}

.dashboard-mockup {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: var(--gradient-blue);
    color: var(--white);
}

.dashboard-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 18px;
}

.dashboard-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-400);
}

.status-dot.active {
    background: #10B981;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.dashboard-content {
    padding: 30px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
    border: 2px solid var(--gray-200);
}

.stat-box i {
    color: var(--orange-primary);
    font-size: 24px;
    margin-bottom: 10px;
}

.stat-box h4 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--gray-600);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 5px;
}

.stat-change {
    font-size: 13px;
    font-weight: 600;
}

.stat-change.positive {
    color: #10B981;
}

.dashboard-chart {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
    height: 300px;
}

.integration-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.integration-item {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.integration-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.integration-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.integration-icon i {
    font-size: 28px;
    color: var(--white);
}

.integration-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.integration-content p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Factory Layout Section */
.factory-layout {
    padding: 100px 0;
    background: var(--white);
}

.layout-showcase {
    margin-bottom: 50px;
}

.layout-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.layout-image {
    width: 100%;
    display: block;
    border-radius: 20px;
}

.layout-annotation {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 15px;
}

.annotation-dot {
    width: 20px;
    height: 20px;
    background: var(--orange-primary);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    animation: pulse-dot 2s infinite;
    position: relative;
}

.annotation-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--orange-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.annotation-label {
    background: var(--white);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    display: none;
}

.layout-annotation:hover .annotation-label {
    display: block;
}

.annotation-label h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--gray-900);
}

.annotation-label p {
    font-size: 13px;
    color: var(--gray-600);
}

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

.layout-feature {
    text-align: center;
    padding: 30px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.layout-feature:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.layout-feature i {
    font-size: 48px;
    color: var(--blue-primary);
    margin-bottom: 20px;
}

.layout-feature h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.layout-feature p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Responsive for Integration and Factory Layout */
@media (max-width: 1024px) {
    .dashboard-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .annotation-label {
        display: none !important;
    }
}

/* Capacity Grid and Details */
.capacity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.capacity-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.capacity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.capacity-badge.popular,
.capacity-badge.premium-badge {
    background: var(--gradient-mixed);
}

.popular-tag,
.premium-tag {
    display: inline-block;
    background: var(--orange-primary);
    color: var(--white);
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 6px;
    margin-left: 10px;
}

.capacity-description {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 30px;
    line-height: 1.7;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.spec-item {
    display: flex;
    gap: 15px;
    background: var(--gray-50);
    padding: 20px;
    border-radius: 12px;
}

.spec-item i {
    font-size: 28px;
    color: var(--blue-primary);
}

.spec-item h4 {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--gray-600);
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.spec-item p {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.capacity-applications {
    background: var(--blue-primary);
    color: var(--white);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.capacity-applications h4 {
    color: var(--white);
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.application-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.application-tags span {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.featured-highlight {
    display: flex;
    gap: 15px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(30, 58, 138, 0.1) 100%);
    padding: 20px;
    border-radius: 12px;
    border: 2px solid var(--orange-primary);
}

.featured-highlight i {
    color: var(--orange-primary);
    font-size: 24px;
    flex-shrink: 0;
}

.featured-highlight p {
    color: var(--gray-700);
    line-height: 1.6;
}

/* Responsive for Capacity Grid */
@media (max-width: 1024px) {
    .capacity-grid {
        grid-template-columns: 1fr;
    }
}

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