:root {
    /* Color Palette - Industrial Tech */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary: #1A1A1A;
    --accent: #FFD23F;
    --bg-primary: #0F0F0F;
    --bg-secondary: #1A1A1A;
    --bg-light: #F8F8F8;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-dark: #1A1A1A;
    --border: #333333;
    --success: #2ECC71;
    
    /* Typography */
    --font-primary: 'Oswald', sans-serif;
    --font-secondary: 'Source Sans 3', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.section__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-normal);
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.nav__logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.1em;
}

.nav__logo-accent {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

.nav__link:hover {
    color: var(--primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-xxl) 0;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 210, 63, 0.05) 50%, rgba(26, 26, 26, 0.9) 100%),
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 210, 63, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero__background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 98px,
            rgba(255, 107, 53, 0.03) 100px
        );
}

.hero__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero__title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    color: var(--text-primary);
    letter-spacing: 0.1em;
    opacity: 0;
    animation: slideInLeft 1s ease forwards 0.2s;
}

.hero__title-accent {
    display: block;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.1em;
    opacity: 0;
    animation: slideInLeft 1s ease forwards 0.4s;
}

.hero__subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    line-height: 1.4;
    opacity: 0;
    animation: slideInLeft 1s ease forwards 0.6s;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: slideInLeft 1s ease forwards 0.8s;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: slideInRight 1s ease forwards 1s;
}

.hero__stats {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn--primary {
    background: var(--primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn--primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn--primary:hover::before {
    left: 100%;
}

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover {
    background: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

/* Stat Cards */
.stat-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--border);
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

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

.stat-card__number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

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

/* Services Section */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    position: relative;
    transition: var(--transition-normal);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.05), transparent);
    transition: left var(--transition-slow);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-card__description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-primary);
}

.process__timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-item__content {
    text-align: right;
}

.timeline-item__marker {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.timeline-item__content {
    flex: 1;
    padding: 0 var(--spacing-xl);
}

.timeline-item__content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.timeline-item__content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Results Section */
.results {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
}

.results__showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.result-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.result-highlight__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart {
    display: flex;
    align-items: end;
    gap: var(--spacing-md);
    height: 200px;
    padding: var(--spacing-md);
}

.chart__bar {
    width: 60px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    position: relative;
    transition: height var(--transition-slow) ease;
    border-radius: 4px 4px 0 0;
}

.chart__bar::after {
    content: attr(data-label);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.result-highlight__content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.result-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.result-list li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.result-list li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.metrics-grid {
    display: grid;
    gap: var(--spacing-md);
}

.metric-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

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

.metric-card__number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.metric-card__label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-primary);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.contact__description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.contact__features {
    display: grid;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feature__icon {
    font-size: 1.5rem;
}

.feature__text {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Form Styles */
.form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.footer__logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.1em;
}

.footer__logo-accent {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
}

.footer__tagline {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer__links h4,
.footer__contact h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer__links ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer__links li {
    margin-bottom: var(--spacing-xs);
}

.footer__links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer__links a:hover {
    color: var(--primary);
}

.footer__contact p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.footer__bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__bottom p {
    color: var(--text-secondary);
    margin: 0;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .process__timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-item__content {
        text-align: left !important;
    }
    
    .timeline-item__marker {
        position: absolute;
        left: 0;
    }
    
    .results__showcase {
        grid-template-columns: 1fr;
    }
    
    .result-highlight {
        grid-template-columns: 1fr;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section__container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero__cta .btn {
        width: 100%;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .chart {
        height: 150px;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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