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

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lang-link {
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.lang-link:hover {
    color: var(--color-primary);
    background-color: rgba(99, 102, 241, 0.1);
}

.lang-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.lang-separator {
    color: var(--color-border);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .lang-switcher {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        padding: 0.375rem 0.75rem;
    }
    
    .lang-link {
        font-size: 0.8125rem;
        padding: 0.2rem 0.4rem;
    }
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%),
                url('https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=1920&auto=format&fit=crop&ixlib=rb-4.0.3') center/cover;
    background-blend-mode: overlay;
    padding: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(249, 250, 251, 0.75) 100%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.company-name {
    font-size: clamp(0.875rem, 1.5vw, 1.125rem);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
}

.about {
    background-color: var(--color-bg);
}

.mission {
    background-color: var(--color-bg-alt);
}

.services {
    background-color: var(--color-bg);
}

.contact {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.section-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-content.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease, box-shadow 0.3s ease;
}

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

.service-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: start;
}

.contact-info {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.contact-info.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-item {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.contact-label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.contact-link {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-text {
    color: var(--color-text-light);
}

.contact-form-wrapper {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.contact-form-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Footer */
.footer {
    background-color: var(--color-bg-alt);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-text {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-details {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    opacity: 0.8;
    margin-top: var(--spacing-xs);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero {
        min-height: 80vh;
        padding: var(--spacing-md) 0;
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .service-card {
        padding: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .hero {
        min-height: auto;
        page-break-after: always;
    }
    
    .btn {
        display: none;
    }
}