/* ===========================================
   BLUEPRINT MODELS - TRANSITIONS CSS
   Enhanced page transitions and animations
   =========================================== */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --white: #ffffff;
    --black: #000000;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --cubic-bezier: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================================
   GLOBAL STYLES & RESETS
   =========================================== */

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

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

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

/* ===========================================
   TRANSITION OVERLAY
   =========================================== */

.transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, #1e3a8a 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--cubic-bezier);
}

.transition-overlay.active {
    opacity: 1;
    visibility: visible;
}

.transition-loader {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 2;
}

.gear-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.gear-1, .gear-2, .gear-3 {
    position: absolute;
    color: var(--white);
    animation: spin 3s linear infinite;
}

.gear-1 {
    font-size: 4rem;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-direction: normal;
}

.gear-2 {
    font-size: 2.5rem;
    top: 20px;
    right: 0;
    animation-direction: reverse;
    animation-duration: 2s;
}

.gear-3 {
    font-size: 2rem;
    bottom: 0;
    left: 10px;
    animation-direction: normal;
    animation-duration: 4s;
}

.transition-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.transition-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.progress-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--white);
    border-radius: 2px;
    animation: progressFill 2s ease-in-out infinite;
}

.transition-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.transition-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--white);
    border-radius: 50%;
    opacity: 0.6;
    animation: floatParticle 4s ease-in-out infinite;
}

.transition-particles .particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.transition-particles .particle:nth-child(2) { left: 30%; animation-delay: 0.8s; }
.transition-particles .particle:nth-child(3) { left: 50%; animation-delay: 1.6s; }
.transition-particles .particle:nth-child(4) { left: 70%; animation-delay: 2.4s; }
.transition-particles .particle:nth-child(5) { left: 90%; animation-delay: 3.2s; }

/* ===========================================
   SERVICES PAGE STYLES
   =========================================== */

.services-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-particle {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    animation: floatSlow 20s ease-in-out infinite;
}

.hero-particle:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-particle:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 7s;
}

.hero-particle:nth-child(3) {
    bottom: 20%;
    left: 50%;
    animation-delay: 14s;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    animation: slideInUp 0.8s var(--cubic-bezier);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    animation: slideInUp 0.8s var(--cubic-bezier) 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    animation: slideInUp 0.8s var(--cubic-bezier) 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===========================================
   SERVICES GRID
   =========================================== */

.services-section {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s var(--cubic-bezier);
    border: 2px solid transparent;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 0.6s var(--cubic-bezier) forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.service-card:hover .card-glow {
    opacity: 1;
    animation: shine 1.5s ease-in-out;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.4s var(--cubic-bezier);
    position: relative;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.3);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
    transition: all 0.3s ease;
}

.service-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s var(--cubic-bezier);
    border-radius: var(--border-radius-lg);
}

.service-card:hover .card-overlay {
    opacity: 0.95;
}

.explore-btn {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transform: translateY(20px);
    transition: all 0.3s var(--cubic-bezier);
}

.service-card:hover .explore-btn {
    transform: translateY(0);
}

.explore-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===========================================
   INDUSTRIAL CARD SPECIAL STYLES
   =========================================== */

.industrial-card {
    position: relative;
    view-transition-name: industrial-transition;
}

.industrial-glow {
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.industrial-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.floating-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    animation: floatInCard 3s ease-in-out infinite;
}

.industrial-card:hover .floating-particle {
    opacity: 0.6;
}

.floating-particle:nth-child(1) { left: 20%; top: 20%; animation-delay: 0s; }
.floating-particle:nth-child(2) { left: 80%; top: 30%; animation-delay: 0.6s; }
.floating-particle:nth-child(3) { left: 60%; top: 70%; animation-delay: 1.2s; }
.floating-particle:nth-child(4) { left: 30%; top: 80%; animation-delay: 1.8s; }
.floating-particle:nth-child(5) { left: 70%; top: 10%; animation-delay: 2.4s; }

.industrial-icon {
    position: relative;
}

.icon-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s var(--cubic-bezier);
}

.icon-ring.delay-1 {
    transition-delay: 0.1s;
}

.industrial-card:hover .icon-ring {
    opacity: 0.5;
    transform: scale(1);
    animation: pulse 2s ease-in-out infinite;
}

.industrial-overlay {
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
}

.industrial-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    color: var(--primary-color);
}

.industrial-btn i {
    transition: transform 0.3s ease;
}

.industrial-btn:hover i {
    transform: translateX(5px);
}

.ripple-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.service-card.clicked {
    animation: clickPulse 0.6s ease-out;
}

/* ===========================================
   INDUSTRIES SECTION
   =========================================== */

.industries-section {
    padding: 100px 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all 0.3s var(--cubic-bezier);
    box-shadow: var(--shadow-md);
}

.industry-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.industry-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.industry-card:hover .industry-icon {
    transform: scale(1.1);
}

.industry-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.industry-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ===========================================
   INDUSTRIAL PAGE STYLES
   =========================================== */

.industrial-page {
    background: #f8fafc;
}

.industrial-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, #1e3a8a 100%);
    color: var(--white);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
    view-transition-name: industrial-hero;
}

.hero-background-industrial {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.industrial-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

.floating-gears {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.gear-float-1, .gear-float-2, .gear-float-3, .gear-float-4 {
    position: absolute;
    color: rgba(255, 255, 255, 0.1);
    animation: spin 10s linear infinite;
}

.gear-float-1 {
    font-size: 4rem;
    top: 20%;
    left: 10%;
    animation-duration: 12s;
}

.gear-float-2 {
    font-size: 3rem;
    top: 60%;
    right: 15%;
    animation-direction: reverse;
    animation-duration: 8s;
}

.gear-float-3 {
    font-size: 2.5rem;
    bottom: 30%;
    left: 70%;
    animation-duration: 15s;
}

.gear-float-4 {
    font-size: 5rem;
    top: 10%;
    right: 40%;
    animation-direction: reverse;
    animation-duration: 20s;
}

.energy-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.energy-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--white);
    border-radius: 50%;
    animation: energyFloat 4s ease-in-out infinite;
}

.energy-particle:nth-child(1) { left: 20%; top: 30%; animation-delay: 0s; }
.energy-particle:nth-child(2) { left: 60%; top: 20%; animation-delay: 1s; }
.energy-particle:nth-child(3) { left: 80%; top: 70%; animation-delay: 2s; }
.energy-particle:nth-child(4) { left: 30%; top: 80%; animation-delay: 3s; }
.energy-particle:nth-child(5) { left: 90%; top: 50%; animation-delay: 1.5s; }

.industrial-hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: slideInUp 0.8s var(--cubic-bezier);
}

.hero-badge i {
    font-size: 1.2rem;
}

.industrial-title {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: slideInUp 0.8s var(--cubic-bezier) 0.2s both;
}

.industrial-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    animation: slideInUp 0.8s var(--cubic-bezier) 0.4s both;
}

.industrial-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    opacity: 0.8;
    line-height: 1.7;
    animation: slideInUp 0.8s var(--cubic-bezier) 0.6s both;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    animation: slideInUp 0.8s var(--cubic-bezier) 0.8s both;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s var(--cubic-bezier);
    border: 2px solid transparent;
}

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

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.cta-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    opacity: 0.7;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--white);
    margin: 0 auto 0.5rem;
    opacity: 0.5;
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===========================================
   INDUSTRIAL SERVICES GRID
   =========================================== */

.industrial-services {
    padding: 100px 0;
}

.industrial-header h2 {
    color: var(--text-dark);
}

.industrial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.industrial-service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s var(--cubic-bezier);
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 0.8s var(--cubic-bezier) forwards;
}

.industrial-service-card:nth-child(1) { animation-delay: 0.1s; }
.industrial-service-card:nth-child(2) { animation-delay: 0.3s; }
.industrial-service-card:nth-child(3) { animation-delay: 0.5s; }
.industrial-service-card:nth-child(4) { animation-delay: 0.7s; }

.industrial-service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    opacity: 0.05;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 0 var(--border-radius-lg) 0 100px;
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    transition: all 0.4s var(--cubic-bezier);
}

.service-icon-large:hover {
    transform: scale(1.1);
}

.service-icon-large i {
    font-size: 2.5rem;
    color: var(--white);
}

.icon-pulse {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    opacity: 0;
    animation: pulse 2s ease-in-out infinite;
}

.service-info h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.service-stats {
    display: flex;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

.service-stats .stat {
    text-align: left;
}

.service-stats .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.service-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Service card specific colors */
.oil-gas .service-icon-large {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.power-plants .service-icon-large {
    background: linear-gradient(135deg, #10b981, #059669);
}

.chemical .service-icon-large {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

/* ===========================================
   TECHNOLOGY SECTION
   =========================================== */

.technology-section {
    padding: 100px 0;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all 0.3s var(--cubic-bezier);
    border: 2px solid transparent;
}

.tech-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.tech-card:hover .tech-icon {
    transform: scale(1.1) rotate(5deg);
}

.tech-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.tech-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* ===========================================
   INDUSTRIAL CTA SECTION
   =========================================== */

.industrial-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s var(--cubic-bezier);
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

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

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

/* ===========================================
   VIEW TRANSITIONS API
   =========================================== */

@supports (view-transition-name: none) {
    .industrial-card {
        view-transition-name: industrial-card;
    }
    
    .industrial-hero {
        view-transition-name: industrial-hero;
    }
}

/* Customize the view transition */
::view-transition-old(industrial-card),
::view-transition-new(industrial-card) {
    animation-duration: 0.8s;
    animation-timing-function: var(--cubic-bezier);
}

::view-transition-old(industrial-hero),
::view-transition-new(industrial-hero) {
    animation-duration: 1s;
    animation-timing-function: var(--cubic-bezier);
}

/* ===========================================
   KEYFRAME ANIMATIONS
   =========================================== */

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes progressFill {
    0%, 100% { width: 0%; }
    50% { width: 100%; }
}

@keyframes floatParticle {
    0%, 100% { 
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10%, 90% {
        opacity: 1;
    }
    50% { 
        transform: translateY(-20px) scale(1);
        opacity: 1;
    }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

@keyframes floatInCard {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
        opacity: 0;
    }
    50% { 
        transform: translateY(-15px) rotate(180deg);
        opacity: 0.8;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

@keyframes clickPulse {
    0% { transform: scale(1); }
    50% { 
        transform: scale(0.95);
        box-shadow: 0 0 50px rgba(37, 99, 235, 0.5);
    }
    100% { 
        transform: scale(1.05);
        box-shadow: 0 40px 80px rgba(37, 99, 235, 0.3);
    }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes energyFloat {
    0%, 100% { 
        transform: translateY(0px) scale(1);
        opacity: 0.3;
    }
    25% { 
        transform: translateY(-15px) scale(1.2);
        opacity: 0.7;
    }
    50% { 
        transform: translateY(-30px) scale(0.8);
        opacity: 1;
    }
    75% { 
        transform: translateY(-15px) scale(1.1);
        opacity: 0.5;
    }
}

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

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
    
    .industrial-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .industrial-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .industrial-service-card {
        padding: 2rem;
    }
    
    .service-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .industrial-title {
        font-size: 2.8rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .industrial-service-card {
        padding: 1.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .gear-container {
        width: 80px;
        height: 80px;
    }
    
    .gear-1 {
        font-size: 2.5rem;
    }
    
    .gear-2 {
        font-size: 1.8rem;
    }
    
    .gear-3 {
        font-size: 1.5rem;
    }
}

/* ===========================================
   ACCESSIBILITY & PERFORMANCE
   =========================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-particle,
    .floating-particle,
    .energy-particle,
    .floating-gears i {
        animation: none !important;
    }
}

/* Focus styles for accessibility */
.service-card:focus-visible,
.explore-btn:focus-visible,
.cta-primary:focus-visible,
.cta-secondary:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .transition-overlay,
    .hero-background,
    .hero-background-industrial,
    .floating-gears,
    .energy-particles,
    .industrial-particles {
        display: none !important;
    }
    
    .service-card,
    .industrial-service-card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-90 { opacity: 0.9; }

.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

/* Loading states */
.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}