:root {
    /* Colors */
    --color-primary: #0f172a;
    --color-secondary: #1e293b;
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    --color-surface: #ffffff;
    --color-surface-secondary: #f8fafc;
    --color-surface-tertiary: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max-width: 1280px;
    --container-padding: 24px;
    
    /* Shadows */
    --shadow-subtle: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-medium: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-large: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-medium: 300ms ease-out;
    --transition-slow: 500ms ease-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography System */
.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
    display: block;
}

.section-label--light {
    color: var(--color-accent-light);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 24px;
    letter-spacing: -0.025em;
}

.section-title--light {
    color: var(--color-surface);
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    max-width: 600px;
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

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

.btn--primary:hover {
    background: var(--color-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background: var(--color-surface-secondary);
    border-color: var(--color-primary);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ffffff;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 100;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    height: 75px;
    width: auto;
    max-width: 250px;
    border-radius: 8px;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.025em;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link--cta {
    background: var(--color-primary);
    color: var(--color-surface);
    padding: 8px 16px;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav-link--cta:hover {
    background: var(--color-secondary);
    color: var(--color-surface);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    margin: 2px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: 
        url('images/IMG_6141.jpg'),
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-surface);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-surface);
    margin-bottom: 24px;
    letter-spacing: -0.025em;
}

.hero-title-accent {
    display: block;
    color: var(--color-accent-light);
    font-style: italic;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-surface);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.025em;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-actions .btn {
    padding: 16px 32px;
    font-size: 0.875rem;
}

.hero-actions .btn--secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.hero-actions .btn--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 32px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1px;
    animation: scroll-pulse 2s infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.5; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.5); }
}

/* Section Layouts */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    margin-bottom: 80px;
}

.section-header--centered {
    text-align: center;
}

/* Introduction Section */
.introduction {
    background: var(--color-surface);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 80px;
    align-items: center;
}

.intro-text {
    margin-bottom: 40px;
}

.intro-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 24px;
}

.certifications {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.cert-item {
    background: var(--color-surface-tertiary);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: 20px;
    transition: all var(--transition-fast);
}

.cert-item:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.cert-item:hover .cert-label {
    color: var(--color-surface);
}

.cert-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.quality-metrics {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.metric-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: 10px;
    color: var(--color-surface);
    flex-shrink: 0;
}

.metric-content {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Services Section */
.services {
    background: var(--color-surface-secondary);
}

.services-workflow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.workflow-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.workflow-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.workflow-step:hover::before {
    transform: scaleX(1);
}

.workflow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
    border-color: var(--color-accent);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-surface);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 8px;
    flex-shrink: 0;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.step-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

/* Expertise Section */
.expertise {
    background: var(--color-surface);
}

.expertise-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 80px;
    align-items: start;
}

.expertise-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    border-radius: 8px;
    color: var(--color-surface);
    flex-shrink: 0;
    margin-top: 4px;
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.technical-specs {
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    position: sticky;
    top: 120px;
}

.spec-group {
    margin-bottom: 32px;
}

.spec-group:last-child {
    margin-bottom: 0;
}

.spec-group h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.spec-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.spec-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Capabilities Section */
.capabilities {
    position: relative;
}

.capabilities-background {
    background: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.capabilities-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    position: relative;
    z-index: 1;
}

.capability-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
    transition: all var(--transition-medium);
    backdrop-filter: blur(20px);
}

.capability-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.capability-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-accent);
    border-radius: 12px;
    color: var(--color-surface);
    margin-bottom: 24px;
}

.capability-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-surface);
    margin-bottom: 12px;
}

.capability-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* Gallery Section */
.gallery {
    background: var(--color-surface-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    grid-auto-rows: 280px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.gallery-item--large {
    grid-column: span 6;
    grid-row: span 2;
}

.gallery-item:not(.gallery-item--large) {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-surface);
    margin-bottom: 4px;
}

.gallery-content p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Contact Section */
.contact {
    background: var(--color-surface);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-feature .feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    border-radius: 6px;
    color: var(--color-surface);
    flex-shrink: 0;
}

.contact-feature span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.contact-form-wrapper {
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
    position: sticky;
    top: 120px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-surface);
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    height: 80px;
    width: auto;
    max-width: 280px;
    border-radius: 10px;
    object-fit: contain;
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-surface);
    margin-bottom: 4px;
}

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-info {
    max-width: 400px;
    text-align: right;
}

.footer-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
}

.footer-credentials {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.footer-credentials span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-light);
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
        --container-padding: 20px;
    }
    
    .intro-grid,
    .expertise-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .technical-specs,
    .contact-form-wrapper {
        position: static;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .gallery-item--large {
        grid-column: span 12;
        grid-row: span 1;
    }
    
    .gallery-item:not(.gallery-item--large) {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
        --container-padding: 16px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .services-workflow {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item,
    .gallery-item--large {
        grid-column: span 12;
        grid-row: span 1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
        max-width: none;
    }
    
    .footer-credentials {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .workflow-step,
    .capability-card,
    .technical-specs,
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .metric-card {
        padding: 16px;
    }
}