/* Import Inter Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Design Tokens - Semantic Variables */
:root {
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Color Palette */
    --color-primary: hsl(220, 13%, 13%);
    --color-accent: hsl(217, 91%, 60%);
    --color-background: hsl(0, 0%, 100%);
    --color-surface: hsl(220, 14%, 96%);
    --color-surface-elevated: hsl(220, 14%, 98%);
    --color-text-primary: hsl(220, 13%, 13%);
    --color-text-secondary: hsl(220, 9%, 46%);
    --color-text-muted: hsl(220, 9%, 64%);
    --color-border: hsl(220, 13%, 91%);
    --color-border-light: hsl(220, 13%, 95%);
    
    /* Custom Gradients */
    --gradient-hero: linear-gradient(135deg, 
        hsl(220, 14%, 98%) 0%, 
        hsl(220, 14%, 94%) 50%, 
        hsl(220, 14%, 96%) 100%);
    --gradient-metallic: linear-gradient(135deg, 
        hsl(220, 14%, 96%) 0%, 
        hsl(220, 14%, 92%) 50%, 
        hsl(220, 14%, 96%) 100%);
    --gradient-card: linear-gradient(135deg, 
        hsl(0, 0%, 100%) 0%, 
        hsl(220, 14%, 98%) 100%);
    --gradient-accent: linear-gradient(135deg, 
        hsla(217, 91%, 60%, 0.1) 0%, 
        hsla(217, 91%, 60%, 0.05) 100%);
    
    /* Shadow System */
    --shadow-sm: 0 1px 2px 0 hsla(220, 13%, 13%, 0.05);
    --shadow-md: 0 4px 6px -1px hsla(220, 13%, 13%, 0.1), 0 2px 4px -1px hsla(220, 13%, 13%, 0.06);
    --shadow-lg: 0 10px 15px -3px hsla(220, 13%, 13%, 0.1), 0 4px 6px -2px hsla(220, 13%, 13%, 0.05);
    --shadow-xl: 0 20px 25px -5px hsla(220, 13%, 13%, 0.1), 0 10px 10px -5px hsla(220, 13%, 13%, 0.04);
    
    /* Transitions */
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-fast: 0.2s ease-in-out;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Legacy variables for compatibility */
    --primary-color: var(--color-accent);
    --secondary-color: var(--color-primary);
    --text-primary: var(--color-text-primary);
    --text-secondary: var(--color-text-secondary);
    --background: var(--color-background);
    --surface: var(--color-surface);
    --border: var(--color-border);
}

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

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

body {
    font-family: var(--font-family-primary);
    font-weight: var(--font-weight-normal);
    background: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn var(--transition-smooth) ease-out forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp var(--transition-smooth) ease-out forwards;
}

.slide-in {
    opacity: 0;
    transform: translateX(-30px);
    animation: slideIn var(--transition-smooth) ease-out forwards;
}

.scale-in {
    opacity: 0;
    transform: scale(0.95);
    animation: scaleIn var(--transition-smooth) ease-out forwards;
}

/* Keyframes */
@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Premium scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all var(--transition-smooth);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.fade-in-up {
    transform: translateY(30px);
}

.animate-on-scroll.fade-in-up.animate {
    transform: translateY(0);
}

.animate-on-scroll.slide-in-left {
    transform: translateX(-50px);
}

.animate-on-scroll.slide-in-left.animate {
    transform: translateX(0);
}

.animate-on-scroll.slide-in-right {
    transform: translateX(50px);
}

.animate-on-scroll.slide-in-right.animate {
    transform: translateX(0);
}

.animate-on-scroll.scale-in {
    transform: scale(0.9);
}

.animate-on-scroll.scale-in.animate {
    transform: scale(1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Floating Navigation */
.floating-nav {
    position: fixed;
    top: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: hsla(0, 0%, 100%, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    padding: var(--space-sm);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    max-width: 90vw;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.floating-nav::-webkit-scrollbar {
    display: none;
}

.floating-nav:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(-50%) translateY(-2px);
}

.nav-container {
    display: flex;
    position: relative;
    min-width: max-content;
}

.nav-item {
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family-primary);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 2;
    white-space: nowrap;
}

.nav-item.active {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

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

.nav-slider {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    z-index: 1;
}

/* Language Toggle */
.language-toggle {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1000;
    background: hsla(0, 0%, 100%, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    padding: var(--space-sm);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
}

.language-toggle:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.lang-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    cursor: pointer;
}

.lang-label.active {
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 30px;
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.toggle-switch:hover {
    background: var(--color-surface-elevated);
    box-shadow: var(--shadow-md);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 26px;
    height: 26px;
    background: var(--color-accent);
    border-radius: 50%;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-md);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(20px);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

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

.hero-logo {
    width: clamp(240px, 30vw, 400px);
    height: auto;
    margin: 0 auto var(--space-xl) auto;
    display: block;
    max-width: 100%;
    opacity: 0;
    transform: translateY(50px) scale(0.8);
    animation: heroLogoAnimation 1.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s forwards;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
    z-index: 10;
    transition: transform 0.3s ease;
}

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

@keyframes heroLogoAnimation {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.8);
    }
    50% {
        transform: translateY(-10px) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-title {
    font-family: var(--font-family-primary);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: var(--font-weight-normal);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    padding-bottom: 0.3em;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(50px);
    opacity: 0;
    animation: heroTitleAnimation 1.2s var(--transition-smooth) 0.5s forwards;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: var(--font-family-primary);
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    font-weight: var(--font-weight-normal);
    line-height: 1.4;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    transform: translateY(30px);
    opacity: 0;
    animation: heroSubtitleAnimation 1s var(--transition-smooth) 1s forwards;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes heroTitleAnimation {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes heroSubtitleAnimation {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    animation: scrollIndicatorAnimation 1s ease 1.5s forwards;
}

@keyframes scrollIndicatorAnimation {
    to {
        opacity: 1;
    }
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    border-radius: 1px;
}

.scroll-indicator span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Hero Background Effects - Removed blur orbs */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

/* Section Styles */
section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-family-primary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-black);
    text-align: center;
    margin-bottom: var(--space-4xl);
    color: var(--color-text-primary);
    opacity: 0;
    transform: translateY(50px);
    transition: all var(--transition-smooth);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-title.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Mission & Vision Section */
.mission-vision {
    background: var(--gradient-accent);
}

.mission-vision-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
}

.mission-card,
.vision-card {
    background: var(--gradient-card);
    border-radius: var(--radius-3xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(50px);
    position: relative;
    overflow: hidden;
}

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

.mission-card.animate,
.vision-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.mission-card::before,
.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.mission-card:hover::before,
.vision-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.mission-card:hover .card-icon,
.vision-card:hover .card-icon {
    transform: scale(1.1);
    color: var(--color-primary);
}

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

.mission-card h3,
.vision-card h3 {
    font-family: var(--font-family-primary);
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.01em;
}

.mission-card p,
.vision-card p {
    font-size: 1.1rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

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

.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-top: var(--space-4xl);
}

.service-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
    box-shadow: var(--shadow-md);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-xl);
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--color-primary);
}

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

.service-card h3 {
    font-family: var(--font-family-primary);
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 1.1rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.certification-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.certification-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Certification Modal */
.certification-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.certification-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    background: white;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-background);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

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

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--gradient-card);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text-primary);
}

.modal-body {
    padding: 2rem;
    overflow: auto;
}

.modal-body iframe {
    border-radius: var(--radius-lg);
    width: 100%;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 85vh;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-body iframe {
        height: 400px;
    }
}

/* ISO Certification Section */
.iso-certification {
    background: var(--color-surface-elevated);
    padding: var(--space-4xl) 0;
}

.iso-certification-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.iso-logo-wrapper {
    flex: 0 0 320px;
    max-width: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.iso-logo {
    width: 100%;
    max-width: 320px;
    filter: drop-shadow(0 12px 24px hsla(220, 13%, 13%, 0.15));
    transition: transform var(--transition-smooth), filter var(--transition-smooth);
}

.iso-logo:hover {
    transform: translateY(-6px) scale(1.02);
    filter: drop-shadow(0 16px 32px hsla(217, 91%, 60%, 0.25));
}

.iso-text {
    flex: 1 1 360px;
    max-width: 640px;
}

.iso-text h2 {
    font-size: clamp(1.9rem, 2.2vw, 2.4rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.iso-progress-text {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.iso-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.iso-progress-track {
    flex: 1 1 280px;
    background: var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 18px;
    position: relative;
    box-shadow: inset 0 2px 4px hsla(220, 13%, 13%, 0.08);
}

.iso-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, hsl(217, 91%, 60%), hsl(198, 94%, 60%));
    border-radius: inherit;
    transition: width 0.3s ease-out;
}

.iso-progress-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    min-width: 72px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.iso-note {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 32ch;
}

@media (max-width: 768px) {
    .iso-certification {
        padding: var(--space-3xl) 0;
        text-align: center;
    }

    .iso-certification-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .iso-text {
        max-width: 100%;
    }

    .iso-progress {
        justify-content: center;
    }

    .iso-progress-track {
        flex-basis: 100%;
    }

    .iso-progress-label {
        text-align: center;
    }

    .iso-note {
        margin: 0 auto;
    }
}

/* Experts Section */
.experts {
    background: var(--gradient-accent);
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-4xl);
}

.expert-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border-light);
    transition: var(--transition-smooth);
    text-align: center;
    opacity: 0;
    transform: translateY(50px);
    box-shadow: var(--shadow-md);
}

.expert-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.expert-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.expert-image {
    margin-bottom: var(--space-xl);
    position: relative;
}

.expert-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
}

.expert-photo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.placeholder-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.placeholder-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

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

.expert-info h3 {
    font-family: var(--font-family-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.expert-info p {
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.expert-specialty span {
    display: inline-block;
    background: hsla(217, 91%, 60%, 0.1);
    color: var(--color-accent);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    border: 1px solid hsla(217, 91%, 60%, 0.2);
    box-shadow: var(--shadow-sm);
}

/* Projects Section */
.projects {
    background: var(--gradient-accent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-4xl);
}

.project-card {
    background: var(--gradient-card);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(50px);
}

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

.project-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.project-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-info {
    padding: var(--space-lg);
}

.project-title {
    font-family: var(--font-family-primary);
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.project-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Clients Section */
.clients {
    background: var(--color-background);
    padding: var(--space-4xl) 0;
}

.clients-band {
    margin-top: var(--space-4xl);
    overflow: hidden;
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clients-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.client-logo {
    position: absolute;
    width: 600px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    opacity: 0;
    transform: translateX(0) scale(1);
    transition: all 0.6s ease-in-out;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.client-logo:hover img {
    transform: scale(1.05);
}

/* Carousel animation is now controlled by JavaScript */

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

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-message {
    margin-bottom: var(--space-2xl);
}

.contact-message p {
    font-size: 1.25rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.8;
    color: var(--color-text-secondary);
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
}

.contact-message p.animate {
    opacity: 1;
    transform: translateY(0);
}

.contact-phone {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-smooth);
}

.contact-phone.animate {
    opacity: 1;
    transform: translateY(0);
}

.phone-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-lg);
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    color: white;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-3xl);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
}

.phone-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.phone-icon {
    width: 40px;
    height: 40px;
}

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

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

.country-code {
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
    text-align: center;
}

.footer p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-normal);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .floating-nav {
        top: 1rem;
        padding: var(--space-xs);
        max-width: 95vw;
    }
    
    .nav-item {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }
    
    .clients-band {
        margin-top: var(--space-2xl);
    }
    
    .client-logo {
        width: 400px;
        height: 200px;
        padding: var(--space-sm);
    }
    
    .language-toggle {
        bottom: 1rem;
        right: 1rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .mission-vision-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .mission-card,
    .vision-card {
        padding: var(--space-lg);
    }
    
    .service-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .phone-link {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem 2rem;
    }
    
    section {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .expert-card {
        padding: 2rem;
    }
}

/* 3D Effects */
.service-card,
.expert-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card:hover,
.expert-card:hover {
    transform: translateY(-10px) rotateX(5deg);
}

.hero-title {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-title:hover {
    transform: rotateX(10deg) rotateY(5deg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}