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

body {
    font-family: 'Inter', sans-serif;
    background-color: #FFFFFF;
    color: #1A1A1A;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 400;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.row {
    max-width: 900px;
    margin: 0 auto;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

h1 {
    font-size: 64px;
    margin-bottom: 32px;
}

h2 {
    font-size: 40px;
    margin-bottom: 20px;
}

h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #666666;
    margin-bottom: 16px;
}

a {
    color: #0044CC;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.btn-link {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #0044CC;
    text-decoration: none;
    display: inline-block;
}

.btn-link:hover {
    text-decoration: underline;
}

/* Шапка */
.header {
    padding: 32px 0;
    border-bottom: 1px solid #EEEEEE;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #1A1A1A;
    text-decoration: none;
}

.logo span {
    color: #0044CC;
}

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

.nav a {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #1A1A1A;
    text-decoration: none;
}

.nav a:hover {
    color: #0044CC;
    text-decoration: none;
}

.lang-switch {
    display: flex;
    gap: 4px;
    margin-left: 20px;
}

.lang-btn {
    background: none;
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    color: #999999;
    padding: 4px 8px;
}

.lang-btn.active {
    color: #0044CC;
    border-bottom: 2px solid #0044CC;
}

/* Герой */
.hero {
    padding: 60px 0 40px 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #EEEEEE;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.4;
    color: #444444;
    margin: 20px 0 24px 0;
}

/* Карточки */
.categories {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    border-top: 1px solid #EEEEEE;
    padding: 24px 0 16px 0;
}

.card-link:hover {
    border-top-color: #0044CC;
}

.card-link:hover h3 {
    color: #0044CC;
}

.card-link p {
    color: #666666;
    font-size: 14px;
    line-height: 1.5;
}

/* О компании */
.about {
    padding: 60px 0;
    background-color: #F8F8F8;
    border-top: 1px solid #EEEEEE;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-list {
    list-style: none;
    margin: 20px 0;
}

.about-list li {
    margin-bottom: 10px;
    padding-left: 18px;
    position: relative;
    font-size: 14px;
}

.about-list li::before {
    content: "—";
    color: #0044CC;
    position: absolute;
    left: 0;
}

/* Контакты */
.contacts {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.contacts-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-line {
    margin: 20px 0;
}

.contact-line strong {
    font-size: 22px;
    font-weight: 700;
}

hr {
    border: none;
    border-top: 1px solid #EEEEEE;
    margin: 30px 0;
}

/* Форма */
.form-section {
    padding: 60px 0;
    background-color: #F8F8F8;
    border-top: 1px solid #EEEEEE;
}

.form-content {
    max-width: 900px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

input, textarea {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-bottom: 1px solid #CCCCCC;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    background-color: transparent;
}

input:focus, textarea:focus {
    outline: none;
    border-bottom-color: #0044CC;
}

/* Подвал */
.footer {
    padding: 56px 0 32px;
    background-color: #1A1A1A;
    color: #999999;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer a {
    color: #999999;
}

.footer a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

.footer-logo .logo {
    color: #FFFFFF;
}

.footer h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    margin-top: 32px;
    border-top: 1px solid #333333;
    font-size: 12px;
}

.social-links {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #999999;
    text-decoration: none;
}

.social-icon:hover {
    color: #FFFFFF;
}

/* Адаптив */
@media (max-width: 992px) {
    .container { padding: 0 24px; }
    h1 { font-size: 48px; }
    .cards-grid { gap: 30px; }
    .footer-inner { padding: 0 24px; gap: 30px; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .footer-inner { padding: 0 20px; }
    h1 { font-size: 32px; }
    h2 { font-size: 24px; }
    .header-inner { flex-direction: column; align-items: flex-start; }
    .nav { width: 100%; justify-content: space-between; }
    .lang-switch { margin-left: 0; }
    .cards-grid { grid-template-columns: 1fr; gap: 20px; }
    .categories, .about, .contacts, .form-section { padding: 32px 0; }
    .hero { padding: 32px 0 24px 0; }
    .hero-desc { font-size: 16px; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .contact-line strong { font-size: 18px; }
}

@media (max-width: 480px) {
    .container, .footer-inner { padding: 0 16px; }
    h1 { font-size: 28px; }
    .nav { flex-wrap: wrap; gap: 12px; }
    .nav a { font-size: 11px; }
    .social-links { flex-direction: column; align-items: flex-start; gap: 8px; }
}

[data-lang="en"] .lang-ru,
[data-lang="ru"] .lang-en {
    display: none;
}

.card-buttons-vertical {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}
.full-width {
    width: 100%;
    text-align: center;
}