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

:root {
    --color-primary: #000000;
    --color-secondary: #1a1a1a;
    --color-accent: #0066cc;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #ffffff;
    --color-background-alt: #f8f8f8;
    --color-border: #e0e0e0;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

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

/* Language Toggle */
.language-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 0.25rem 0.5rem;
}

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

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

.lang-separator {
    color: var(--color-border);
    font-weight: 300;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    z-index: 0;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    border-radius: 50px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-secondary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
    z-index: 1;
}

.scroll-arrow {
    width: 1px;
    height: 40px;
    background: var(--color-text-light);
    margin: 0.5rem auto 0;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { transform: translateY(0); opacity: 0; }
    50% { transform: translateY(10px); opacity: 1; }
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.2s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.4s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

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

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

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

/* About Section */
.about {
    background-color: var(--color-background);
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-profile {
    position: sticky;
    top: 2rem;
}

.profile-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
}

.profile-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
}

.lead-text {
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    line-height: 1.6;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.qualities {
    display: grid;
    gap: 1.5rem;
    margin-top: 3rem;
}

.quality-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-background-alt);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.quality-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-sm);
}

.quality-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

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

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.expertise-card {
    background: var(--color-background);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.expertise-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
}

.expertise-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.expertise-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

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

/* Experience Section */
.experience {
    background-color: var(--color-background);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-background);
}

.timeline-date {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.timeline-content h4 {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
    line-height: 1.6;
}

.timeline-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.clients-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-background-alt);
    border-radius: 8px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.clients-note strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--color-background-alt);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--color-background);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-quote {
    position: relative;
    margin-bottom: 2rem;
}

.quote-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.testimonial-quote p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.testimonial-quote p:last-child {
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid var(--color-border);
}

.author-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}

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

.contact-text {
    font-size: 1.25rem;
    color: var(--color-text);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
    text-align: left;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 2rem;
    background: var(--color-background-alt);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.contact-info-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-info-text h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-info-text p {
    font-size: 1.125rem;
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
}

.contact-info-text a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-info-text a:hover {
    color: var(--color-accent);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
    border-radius: 50px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.contact-button svg {
    width: 24px;
    height: 24px;
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-secondary);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

.footer a {
    color: white;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Legal Pages */
.legal-page {
    min-height: 100vh;
    padding: 6rem 2rem;
    background-color: var(--color-background);
}

.legal-page .container {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
}

.back-link:hover {
    color: var(--color-primary);
    transform: translateX(-4px);
}

.legal-page h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

.legal-page h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.legal-page h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.legal-page h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.legal-page p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.legal-page ul {
    margin: 1rem 0 1.5rem 2rem;
    line-height: 1.8;
}

.legal-page li {
    margin-bottom: 0.75rem;
}

.last-updated {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    font-style: italic;
    color: var(--color-text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .language-toggle {
        top: 1rem;
        right: 1rem;
    }

    section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    .section-title {
        margin-bottom: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-profile {
        position: relative;
        top: 0;
        max-width: 180px;
        margin: 0 auto;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        padding-left: 2rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .testimonial-card {
        padding: 2rem;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-info-item {
        padding: 1.5rem;
    }

    .contact-methods {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-button {
        justify-content: center;
    }

    .tech-tags {
        gap: 0.5rem;
    }

    .tech-tag {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1rem;
    }

    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .lead-text {
        font-size: 1.125rem;
    }

    .quality-item {
        padding: 1rem;
    }

    .expertise-card {
        padding: 1.5rem;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .language-toggle,
    .scroll-indicator,
    .cta-button {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Styles */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}