/* =====================================
   ROOT ПЕРЕМЕННЫЕ
   ===================================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-gradient: linear-gradient(135deg, #2563eb, #7c3aed);
    --secondary: #0f172a;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================
   RESET & BASE
   ===================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

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

/* =====================================
   КНОПКИ
   ===================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--gray-900);
    border: 2px solid var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

/* =====================================
   ШАПКА (HEADER)
   ===================================== */
header {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    max-height: 55px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

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

/* ----- НАВИГАЦИЯ ----- */
.nav-menu {
    list-style: none;
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-menu a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--secondary);
    background: var(--gray-100);
}

.nav-menu a.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
}

/* ----- БУРГЕР-МЕНЮ ----- */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* =====================================
   ПОДВАЛ (FOOTER)
   ===================================== */
footer {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
}

.footer-col h4 {
    color: var(--gray-900);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.footer-col p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 6px;
}

.footer-col ul li a {
    color: var(--gray-500);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--gray-200);
    padding-top: 20px;
    text-align: center;
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* =====================================
   ГЛАВНАЯ СТРАНИЦА - ГЕРОЙ
   ===================================== */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f0fe 100%);
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text {
    display: flex;
    flex-direction: column;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--secondary);
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero h1 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--gray-600);
    max-width: 480px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* =====================================
   ГЛАВНАЯ СТРАНИЦА - УСЛУГИ
   ===================================== */
.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-title p {
    color: var(--gray-500);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

.page-section {
    padding: 80px 0;
}

.page-section:not(:last-child) {
    border-bottom: 1px solid var(--gray-200);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: inline-block;
    color: var(--primary);
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* =====================================
   КОНТАКТЫ НА ГЛАВНОЙ
   ===================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: #fff;
    border-radius: var(--radius);
    padding: 48px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}

.contact-info h3,
.contact-wrapper h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 24px;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.contact-list li:last-child {
    border-bottom: none;
}

.contact-list li i {
    font-size: 1.2rem;
    color: var(--primary);
    width: 24px;
    margin-top: 2px;
}

.contact-list li strong {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

.contact-list li p {
    margin: 0;
    font-weight: 600;
    color: var(--secondary);
}

/* ----- ФОРМА ----- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    background: #fff;
}

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

.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    margin-bottom: 16px;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* =====================================
   СТРАНИЦА ИНЖИНИРИНГ
   ===================================== */
.engineering-page {
    padding: 40px 0;
}

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

.eng-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -1.5px;
    margin-bottom: 12px;
}

.eng-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.eng-subtitle {
    font-size: 1.15rem;
    color: var(--gray-500);
}

.eng-quote {
    background: linear-gradient(135deg, var(--primary-light), #eff6ff);
    border-radius: var(--radius);
    padding: 32px 40px;
    margin-bottom: 40px;
    border-left: 4px solid var(--primary);
    position: relative;
}

.eng-quote p {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 500;
    margin: 0;
}

.eng-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.15;
    position: absolute;
    top: -8px;
    left: 16px;
    font-family: Georgia, serif;
}

/* ----- АККОРДЕОН ----- */
.eng-accordion {
    margin: 32px 0;
}

.eng-accordion-item {
    margin-bottom: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    transition: var(--transition);
}

.eng-accordion-item:hover {
    border-color: var(--gray-300);
}

.eng-accordion-header {
    width: 100%;
    padding: 18px 24px;
    background: #fff;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.eng-accordion-header:hover {
    background: var(--gray-50);
}

.eng-accordion-header.active {
    background: var(--primary-gradient);
    color: #fff;
}

.eng-btn-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.eng-btn-icon {
    font-size: 1.4rem;
}

.eng-btn-arrow {
    font-size: 0.8rem;
    transition: var(--transition);
    color: var(--gray-400);
}

.eng-accordion-header.active .eng-btn-arrow {
    transform: rotate(180deg);
    color: #fff;
}

.eng-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--gray-50);
    padding: 0 28px;
}

.eng-accordion-body.open {
    max-height: 300px;
    padding: 24px 28px;
    border-top: 1px solid var(--gray-200);
}

.eng-accordion-body strong {
    display: block;
    font-size: 1.05rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.eng-accordion-body p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

.eng-button-wrapper {
    text-align: center;
    margin: 24px 0 32px;
}

.eng-toggle-btn {
    padding: 10px 32px;
    background: var(--gray-200);
    color: var(--gray-700);
    border: none;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.eng-toggle-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.eng-text-block {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 36px;
    border: 1px solid var(--gray-200);
    margin: 32px 0;
}

.eng-text-block p {
    color: var(--gray-600);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 16px;
}

.eng-text-block p:last-child {
    margin-bottom: 0;
}

.eng-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 32px 0 16px;
}

.eng-stat-item {
    text-align: center;
    padding: 24px 16px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.eng-stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.eng-stat-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.eng-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

.eng-stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* =====================================
   СТРАНИЦА ОСНАСТКА
   ===================================== */
.osnastka-page {
    padding: 40px 0;
}

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

.osn-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -1.5px;
    margin-bottom: 12px;
}

.osn-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.osn-subtitle {
    font-size: 1.15rem;
    color: var(--gray-500);
}

.osn-description {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 36px;
    border: 1px solid var(--gray-200);
    margin-bottom: 40px;
}

.osn-description p {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin: 0;
}

.osn-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0 40px;
}

.osn-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.osn-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.osn-card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: inline-block;
}

.osn-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.osn-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.osn-advantages {
    background: linear-gradient(135deg, var(--primary-light), #eff6ff);
    border-radius: var(--radius);
    padding: 40px 44px;
    margin: 32px 0 40px;
}

.osn-advantages h2 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 28px;
    letter-spacing: -0.5px;
}

.osn-advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.osn-adv-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(255,255,255,0.8);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
}

.osn-adv-icon {
    font-size: 1.4rem;
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
}

.osn-adv-item strong {
    display: block;
    font-size: 1rem;
    color: var(--secondary);
}

.osn-adv-item p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin: 0;
}

.osn-button-wrapper {
    text-align: center;
    margin: 32px 0 16px;
}

.osn-button {
    display: inline-block;
    padding: 14px 48px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.osn-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
    color: #fff;
}

/* =====================================
   АДАПТИВНОСТЬ
   ===================================== */

/* Планшеты и маленькие ноутбуки */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .osn-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Мобильные устройства */
@media (max-width: 768px) {
    /* ===== БУРГЕР-МЕНЮ ===== */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #fff;
        padding: 16px 0;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu a {
        padding: 12px 24px;
        width: 100%;
        border-radius: 0;
    }

    /* ===== ЛОГОТИП УМЕНЬШЕН ===== */
    .logo img {
        max-height: 40px;
    }

    /* ===== ГЕРОЙ ДЛЯ МОБИЛЬНЫХ ===== */
    .hero {
        padding: 40px 0 30px;
        min-height: auto;
        text-align: center;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 0;
    }

    .hero-text {
        order: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
    }

    /* ===== СКРЫВАЕМ КАРТИНКУ В МОБИЛЬНОЙ ВЕРСИИ ===== */
    .hero-image {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
        text-align: center;
        width: 100%;
    }

    .hero p {
        font-size: 1rem;
        margin: 0 auto 24px;
        max-width: 100%;
        text-align: center;
    }

    /* ===== КНОПКИ ПО ЦЕНТРУ В ОДНУ СТРОКУ ===== */
    .hero-buttons {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        width: 100%;
    }

    .hero-buttons .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
        min-width: auto;
        flex: 0 1 auto;
        margin: 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .page-section {
        padding: 48px 0;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .eng-title,
    .osn-title {
        font-size: 2rem;
    }

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

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

    .osn-advantages-grid {
        grid-template-columns: 1fr;
    }

    .osn-advantages {
        padding: 24px 20px;
    }

    .eng-quote {
        padding: 24px 20px;
    }

    .eng-text-block {
        padding: 20px;
    }

    .eng-accordion-header {
        font-size: 0.9rem;
        padding: 14px 18px;
    }

    .eng-accordion-body.open {
        padding: 18px 20px;
    }

    .osn-card {
        padding: 24px 18px;
    }

    .eng-accordion-body {
        padding: 0 20px;
    }
}

/* Маленькие телефоны */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    /* ===== ЛОГОТИП ЕЩЕ МЕНЬШЕ ===== */
    .logo img {
        max-height: 32px;
    }

    /* ===== ГЕРОЙ ДЛЯ МАЛЕНЬКИХ ТЕЛЕФОНОВ ===== */
    .hero {
        padding: 30px 0 24px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    /* ===== КНОПКИ В ОДНУ СТРОКУ ПО ЦЕНТРУ ===== */
    .hero-buttons {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
        width: 100%;
    }

    .hero-buttons .btn {
        padding: 10px 18px;
        font-size: 0.8rem;
        flex: 0 1 auto;
        margin: 0;
        min-width: 120px;
    }

    .btn {
        padding: 10px 24px;
        font-size: 0.85rem;
    }

    .eng-title,
    .osn-title {
        font-size: 1.6rem;
    }

    .eng-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .eng-stat-item {
        padding: 16px 12px;
    }

    .eng-stat-number {
        font-size: 1.4rem;
    }

    .contact-wrapper {
        padding: 16px;
    }

    .osn-adv-item {
        padding: 12px 16px;
    }

    .osn-button {
        padding: 12px 30px;
        font-size: 0.9rem;
        width: 100%;
        max-width: 280px;
    }

    .osn-description {
        padding: 20px;
    }

    .osn-description p {
        font-size: 0.95rem;
    }
}

/* Телефоны с очень маленьким экраном */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.4rem;
    }

    .hero-buttons {
        gap: 8px;
    }

    .hero-buttons .btn {
        padding: 8px 14px;
        font-size: 0.75rem;
        min-width: 100px;
    }

    .logo img {
        max-height: 28px;
    }
}