:root {
    --primary-color: #2563eb;
    --primary-dark: #1a2b4c;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #6366f1;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1a2b4c;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, Inconsolata, "Fira Mono", "Roboto Mono", monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

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

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

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

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

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

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

.justify-between {
    justify-content: space-between;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

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

.text-secondary {
    color: var(--text-secondary);
}

.text-white {
    color: white;
}

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

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

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

.py-sm {
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.py-md {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-lg {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.py-2xl {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

.py-3xl {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

.px-sm {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.px-md {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.px-lg {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.px-xl {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
}

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

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

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

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

nav.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

.logo-img {
    height: 36px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.logo-accent {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: var(--spacing-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
    padding: var(--spacing-3xl) var(--spacing-md);
    padding-top: calc(var(--spacing-3xl) + 64px);
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 50%, var(--primary-color) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title span {
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 500px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.about {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.about-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

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

.services {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.5rem;
    color: white;
}

.service-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cases {
    padding: var(--spacing-3xl) var(--spacing-md);
    background-color: var(--bg-secondary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.case-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.case-content {
    padding: var(--spacing-lg);
}

.case-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.case-content p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.case-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.team {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    font-weight: 700;
}

.team-member h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.team-member p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact {
    padding: var(--spacing-3xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
    color: white;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
}

.contact-content .section-title {
    color: white;
}

.contact-content .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.contact-form {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

footer {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: #111827;
    color: rgba(255, 255, 255, 0.7);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo-img {
    height: 28px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.footer-logo-text {
    color: white;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-section p {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.privacy-page {
    padding: var(--spacing-3xl) var(--spacing-md);
    padding-top: calc(var(--spacing-3xl) + 64px);
    max-width: 800px;
    margin: 0 auto;
}

.privacy-page h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.privacy-page h2 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.privacy-page h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.privacy-page p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.privacy-page ul {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.privacy-page li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.privacy-page a {
    color: var(--primary-color);
    text-decoration: underline;
}

.privacy-page a:hover {
    color: var(--primary-light);
}

.privacy-date {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 2.5rem);
    }
}