/* ========== ОСНОВНЫЕ СТИЛИ ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========== ПЕРЕКЛЮЧАТЕЛЬ ТЕМЫ ========== */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-toggle-btn {
    background: var(--gray-light);
    border: none;
    border-radius: 50px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-text);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--water-blue-light);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,102,179,0.2);
}

.theme-toggle-btn i {
    font-size: 1rem;
    color: var(--water-blue);
}

.theme-toggle-btn .sun-icon {
    color: #f39c12;
}

.theme-toggle-btn .moon-icon {
    color: #34495e;
}

/* ========== ЦВЕТОВАЯ ПАЛИТРА ДЛЯ СВЕТЛОЙ ТЕМЫ ========== */
:root {
    --water-blue: #3aa7f9;
    --water-blue-light: #e6f0fa;
    --water-blue-dark: #004c8c;
    --gas-yellow: #FFB800;
    --gas-yellow-light: #fff3d6;
    --gas-yellow-dark: #e6a600;
    --pure-white: #ffffff;
    --gray-light: #f5f8fa;
    --gray-text: #3a5a73;
    --dark-text: #1e2b3c;
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --text-color: #1e2b3c;
    --border-color: rgba(0,102,179,0.1);
    --shadow-color: rgba(0,45,80,0.04);
    --footer-bg: linear-gradient(112deg, #0066B3 0%, #004c8c 100%);
    --footer-text: #ffffff;
    --method-tag-bg: rgba(255,255,255,0.15);
    --tag-bg: #f0f8fa;
    --tag-text: #004c8c;
}

/* ========== ЦВЕТОВАЯ ПАЛИТРА ДЛЯ ТЕМНОЙ ТЕМЫ ========== */
[data-theme="dark"] {
    --water-blue: #5a9eff; /* Более яркий синий */
    --water-blue-light: #3a4a6a;
    --water-blue-dark: #2a5a9c;
    --gas-yellow: #ffd966; /* Более яркий желтый */
    --gas-yellow-light: #5a4a2a;
    --gas-yellow-dark: #e6b800;
    --pure-white: #1a1a1a;
    --gray-light: #2d2d2d;
    --gray-text: #cccccc; /* Светло-серый для обычного текста */
    --dark-text: #ffffff; /* Чисто белый для заголовков */
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-bright: #ffffff; /* Яркий белый для выделения */
    --border-color: rgba(90, 158, 255, 0.3);
    --shadow-color: rgba(0,0,0,0.5);
    --footer-bg: linear-gradient(112deg, #1a1a2e 0%, #16213e 100%);
    --footer-text: #ffffff;
    --method-tag-bg: rgba(255,255,255,0.15);
    --tag-bg: #2d2d2d;
    --tag-text: #5a9eff;
    --heading-color: #ffffff; /* Белый для заголовков */
    --subheading-color: #ffd966; /* Желтый для подзаголовков */
}

/* Улучшенные стили для заголовков в темной теме */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] .section-title,
[data-theme="dark"] .advantage-card h4,
[data-theme="dark"] .service-item h4,
[data-theme="dark"] .equipment-info h4,
[data-theme="dark"] .form-column h3,
[data-theme="dark"] .map-column h4 {
    color: var(--heading-color) !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Яркие подзаголовки */
[data-theme="dark"] .lab-subtitle,
[data-theme="dark"] .step-content h4 {
    color: var(--subheading-color) !important;
}

/* Исправление для бэйджев в темной теме */
[data-theme="dark"] .badge {
    background: var(--gas-yellow) !important;
    color: #000000 !important; /* Черный текст на желтом фоне */
    font-weight: 700;
    text-shadow: none;
    border: 1px solid var(--gas-yellow-dark);
}

[data-theme="dark"] .badge i {
    color: #000000 !important;
}

[data-theme="dark"] .service-item .badge {
    box-shadow: 0 2px 8px rgba(255, 217, 102, 0.3);
}

/* Улучшенная читаемость обычного текста */
[data-theme="dark"] p,
[data-theme="dark"] li,
[data-theme="dark"] .contact-item,
[data-theme="dark"] .form-contacts p,
[data-theme="dark"] .map-address,
[data-theme="dark"] .footer-quote,
[data-theme="dark"] .footer-bottom {
    color: var(--gray-text);
}

/* Яркие иконки */
[data-theme="dark"] .water-icon {
    color: var(--water-blue) !important;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.3));
}

[data-theme="dark"] .gas-icon {
    color: var(--gas-yellow) !important;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.3));
}

/* Улучшенные карточки */
[data-theme="dark"] .advantage-card,
[data-theme="dark"] .service-item,
[data-theme="dark"] .step-item,
[data-theme="dark"] .equipment-card {
    background: var(--card-bg);
    border-color: var(--border-color);
    box-shadow: 0 8px 20px var(--shadow-color);
}

[data-theme="dark"] .advantage-card:hover,
[data-theme="dark"] .service-item:hover,
[data-theme="dark"] .step-item:hover,
[data-theme="dark"] .equipment-card:hover {
    border-color: var(--gas-yellow);
    box-shadow: 0 12px 28px rgba(255, 217, 102, 0.2);
}

/* Яркие теги */
[data-theme="dark"] .tag {
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 1px solid rgba(90, 158, 255, 0.3);
}

[data-theme="dark"] .tag i {
    color: var(--gas-yellow);
}

/* Улучшенная лаборатория */
[data-theme="dark"] .lab-card {
    background: linear-gradient(145deg, #1a2a3a 0%, #0a1a2a 100%);
    border: 1px solid var(--water-blue);
}

[data-theme="dark"] .method-tag {
    background: rgba(255, 217, 102, 0.1);
    border-color: var(--gas-yellow);
    color: var(--text-color);
}

[data-theme="dark"] .method-tag i {
    color: var(--gas-yellow);
}

/* Улучшенная форма */
[data-theme="dark"] .simple-form input,
[data-theme="dark"] .simple-form textarea {
    background: #2a2a2a;
    border-color: #3a3a3a;
    color: var(--text-bright);
}

[data-theme="dark"] .simple-form input:focus,
[data-theme="dark"] .simple-form textarea:focus {
    border-color: var(--water-blue);
    background: #2a2a2a;
}

/* Улучшенный футер */
[data-theme="dark"] .footer-address {
    background: linear-gradient(112deg, #1a1a2e 0%, #16213e 100%);
}

[data-theme="dark"] .divider {
    border-color: var(--water-blue);
    opacity: 0.3;
}

/* Улучшенный слайдер */
[data-theme="dark"] .equipment-slider-container {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .dot {
    background: #3a3a3a;
}

[data-theme="dark"] .dot.active {
    background: var(--gas-yellow);
    box-shadow: 0 0 0 3px rgba(255, 217, 102, 0.3);
}

[data-theme="dark"] .autoplay-indicator {
    background: #2a2a2a;
    color: var(--gray-text);
}

/* Кнопка "Наверх" в темной теме */
[data-theme="dark"] .scroll-top-btn {
    background: var(--gas-yellow);
    color: #000000;
    box-shadow: 0 4px 15px rgba(255, 217, 102, 0.3);
}

[data-theme="dark"] .scroll-top-btn:hover {
    background: var(--gas-yellow-dark);
    box-shadow: 0 8px 25px rgba(255, 217, 102, 0.5);
}

/* Переключатель темы в темной теме */
[data-theme="dark"] .theme-toggle-btn {
    background: #2a2a2a;
    border-color: var(--water-blue);
    color: var(--text-bright);
}

[data-theme="dark"] .theme-toggle-btn i {
    color: var(--gas-yellow);
}

[data-theme="dark"] .theme-toggle-btn .sun-icon {
    color: #ffd966;
}

[data-theme="dark"] .theme-toggle-btn .moon-icon {
    color: #5a9eff;
}

[data-theme="dark"] .hero {
    background:
        radial-gradient(circle at 90% 15%, rgba(255,217,102,0.2), transparent 34%),
        radial-gradient(circle at 10% 85%, rgba(90,158,255,0.18), transparent 40%),
        linear-gradient(130deg, #1b2a44 0%, #1f4677 55%, #214f86 100%);
}

[data-theme="dark"] .hero-contact-block {
    background: rgba(15, 15, 15, 0.28);
    border-color: rgba(255,255,255,0.2);
}

[data-theme="dark"] .quick-nav a {
    color: var(--text-bright);
    background: #232323;
    border-color: rgba(90, 158, 255, 0.34);
}

[data-theme="dark"] .hero .quick-nav a {
    background: rgba(22, 35, 52, 0.9);
    border-color: rgba(255,255,255,0.26);
}

[data-theme="dark"] .quick-nav a i {
    color: var(--gas-yellow);
}

body {
    font-family: 'Inter', 'Manrope', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

.page {
    max-width: 1300px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ========== УТИЛИТЫ ДЛЯ ЦВЕТОВ ========== */
.water-icon {
    color: var(--water-blue) !important;
}

.gas-icon {
    color: var(--gas-yellow) !important;
}

.gas-bg {
    background: var(--gas-yellow) !important;
    color: #000000 !important;
}

.water-bg {
    background: var(--water-blue) !important;
    color: white !important;
}

/* ========== АНИМАЦИИ ========== */
@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(15px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    0% { opacity: 0; transform: translateX(-20px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

.animate-up {
    animation: fadeUp 0.7s cubic-bezier(0.15, 0.85, 0.35, 1) forwards;
}

.animate-slide {
    animation: slideIn 0.6s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

.animate-scale {
    animation: scaleIn 0.5s ease forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }
.delay-5 { animation-delay: 0.5s; opacity: 0; }
.delay-6 { animation-delay: 0.6s; opacity: 0; }

/* ========== ШАПКА ========== */
.company-header {
    width: 100%;
    margin-bottom: 0;
    padding: 0;
    border-bottom: 3px solid var(--water-blue);
    transition: border-color 0.2s ease-out;
}

.logo-title {
    width: 100%;
    text-align: center;
    line-height: 0;
    padding: 1.5rem 0 0.5rem 0;
    transition: padding 0.2s ease-out;
}

.logo-title img {
    max-width: 100%;
    height: auto;
    max-height: 280px;
    width: auto;
    display: inline-block;
    object-fit: contain;
    transition: max-height 0.2s ease-out, transform 0.2s ease-out;
    border-radius: 8px;
    filter: var(--logo-filter, none);
}

[data-theme="dark"] .logo-title img {
    --logo-filter: brightness(0.9) contrast(1.1);
}

.logo-meta-inline {
    margin-top: 0.55rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    line-height: 1.3;
    font-size: 0.9rem;
    color: var(--gray-text);
    transition: opacity 0.18s ease-out, max-height 0.18s ease-out, margin-top 0.18s ease-out;
    max-height: 44px;
    opacity: 1;
    overflow: hidden;
}

.logo-meta-inline span {
    white-space: nowrap;
}

.logo-meta-inline .meta-divider {
    color: rgba(0, 102, 179, 0.5);
}

[data-theme="dark"] .logo-meta-inline {
    color: var(--gray-text);
}

[data-theme="dark"] .logo-meta-inline .meta-divider {
    color: rgba(255, 217, 102, 0.5);
}

.company-header.compact {
    border-bottom-color: rgba(0, 102, 179, 0.35);
}

.company-header.compact .logo-title {
    padding: 0.45rem 0 0.25rem 0;
}

.company-header.compact .logo-title img {
    max-height: 118px;
}

.company-header.compact .logo-meta-inline {
    opacity: 0;
    max-height: 0;
    margin-top: 0;
}


/* Контактный блок под логотипом */
.contact-block {
    background: var(--gray-light);
    padding: 0.8rem 1.5rem;
    border-radius: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-color);
    box-shadow: 0 6px 12px var(--shadow-color);
    transition: all 0.2s ease;
    max-width: 100%;
    width: 100%;
    margin: 1rem auto 1.5rem auto;
    border: 1px solid var(--border-color);
}

.contact-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(0,102,179,0.08);
}

.contact-block i {
    color: var(--water-blue);
    margin-right: 6px;
    width: 18px;
    font-size: 0.95rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

/* ========== HERO + QUICK NAV ========== */
.hero {
    margin: 1.8rem 0 1rem;
    border-radius: 36px;
    background:
        radial-gradient(circle at 90% 20%, rgba(255,184,0,0.2), transparent 36%),
        radial-gradient(circle at 12% 85%, rgba(58,167,249,0.2), transparent 40%),
        linear-gradient(120deg, var(--water-blue-dark) 0%, var(--water-blue) 60%, #0d7bc7 100%);
    color: #ffffff;
    padding: 2.6rem 2.3rem;
    box-shadow: 0 26px 40px -14px var(--shadow-color);
    border: 1px solid rgba(255,255,255,0.18);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 880px;
    position: relative;
    z-index: 1;
}

.hero-contact-block {
    margin: 1.2rem 0 0 0;
    width: fit-content;
    max-width: 100%;
    justify-content: flex-start;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.25);
    box-shadow: none;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    color: #ffffff;
    font-weight: 600;
}

.hero-contact-block .contact-item {
    color: #ffffff;
}

.hero-contact-block .contact-item i {
    color: var(--gas-yellow);
}

.hero-contact-block:hover {
    transform: none;
    box-shadow: none;
}

.hero-kicker {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.95;
    margin-bottom: 0.9rem;
}

.hero h1 {
    font-size: clamp(2rem, 3.8vw, 3.05rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero h1 span {
    color: var(--gas-yellow);
}

.hero-description {
    font-size: 1.08rem;
    max-width: 730px;
    color: rgba(255,255,255,0.92);
    margin-bottom: 1.3rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.3rem;
}

.hero-btn-primary,
.hero-btn-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    border-radius: 60px;
    padding: 0.85rem 1.25rem;
    font-weight: 700;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(255,184,0,0.3);
}

.hero-btn-secondary {
    color: #ffffff;
    border-color: rgba(255,255,255,0.42);
    background: rgba(255,255,255,0.1);
}

.hero-btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.hero-trust {
    display: grid;
    grid-template-columns: repeat(3, minmax(160px, 1fr));
    gap: 0.8rem;
}

.trust-item {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 18px;
    padding: 0.85rem 1rem;
    backdrop-filter: blur(3px);
}

.trust-item strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.trust-item span {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.88);
}

.quick-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0.8rem 0 2rem;
}

.quick-nav a {
    text-decoration: none;
    color: var(--water-blue-dark);
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 999px;
    padding: 0.56rem 0.95rem;
    font-size: 0.92rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.hero .quick-nav a {
    background: rgba(8, 54, 97, 0.78);
    color: #ffffff;
    border-color: rgba(255,255,255,0.38);
    box-shadow: 0 6px 14px rgba(0,0,0,0.16);
}

.quick-nav a i {
    margin-right: 0.35rem;
    color: var(--water-blue);
}

.hero .quick-nav a i {
    color: var(--gas-yellow);
}

.quick-nav a:hover {
    border-color: var(--gas-yellow);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255,184,0,0.16);
}

.hero .quick-nav a:hover {
    background: rgba(7, 66, 118, 0.9);
    border-color: rgba(255,255,255,0.58);
    box-shadow: 0 10px 20px rgba(0,0,0,0.22);
}

.hero-nav-wrap {
    position: relative;
    z-index: 40;
}

.hero-nav-toggle {
    display: none;
    width: 100%;
    border: 1px solid rgba(255,255,255,0.32);
    background: rgba(255,255,255,0.14);
    color: #ffffff;
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    font-size: 0.95rem;
    font-weight: 700;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.hero-nav-toggle:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.48);
}

/* Адаптация для планшетов */
@media (max-width: 780px) {
    .logo-title {
        padding: 1rem 0 0.3rem 0;
    }
    
    .logo-title img {
        max-height: 210px;
    }

    .logo-meta-inline {
        font-size: 0.84rem;
    }
    
    .contact-block {
        padding: 0.7rem 1.2rem;
        gap: 0.8rem 1.2rem;
        font-size: 0.9rem;
        margin: 0.8rem auto 1.2rem auto;
        width: 100%;
    }
}

/* Адаптация для телефонов */
@media (max-width: 480px) {
    .logo-title {
        padding: 0.8rem 0 0.2rem 0;
    }
    
    .logo-title img {
        max-height: 170px;
        border-radius: 6px;
    }

    .logo-meta-inline {
        margin-top: 0.45rem;
        font-size: 0.76rem;
        gap: 0.25rem;
    }
    
    .contact-block {
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0.8rem 1rem;
        margin: 0.5rem auto 1rem auto;
        gap: 0.5rem;
    }
    
    .contact-item {
        width: 100%;
        justify-content: center;
        text-align: center;
        white-space: normal;
    }
    
    .contact-item i {
        margin-right: 8px;
    }
}

/* ========== ОСНОВНЫЕ ПРИНЦИПЫ ========== */
.principles {
    background: linear-gradient(105deg, var(--water-blue-light) 0%, var(--card-bg) 100%);
    border-radius: 32px;
    padding: 2rem 2rem 1.8rem;
    margin: 2.2rem 0 2.5rem;
    box-shadow: 0 20px 30px -8px var(--shadow-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.principles::after {
    content: "«Радиус»";
    position: absolute;
    bottom: -10px;
    right: 20px;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(0,102,179,0.03);
    pointer-events: none;
    font-family: 'Manrope', sans-serif;
    text-transform: uppercase;
}

.principles h2 {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--water-blue-dark);
    display: inline-block;
    border-bottom: 4px solid var(--gas-yellow);
    padding-bottom: 6px;
}

.grid-principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}

.principle-card {
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(2px);
    padding: 1.4rem;
    border-radius: 24px;
    transition: all 0.25s;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .principle-card {
    background: rgba(30,30,30,0.8);
}

.principle-card:hover {
    background: var(--card-bg);
    box-shadow: 0 12px 22px -8px var(--shadow-color);
    transform: scale(1.02);
}

.principle-card i {
    font-size: 1.8rem;
    color: var(--water-blue);
    margin-bottom: 0.6rem;
}

.principle-card p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

.small-note {
    margin-top: 1.3rem;
    font-style: italic;
    background: rgba(255,184,0,0.04);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    border-left: 5px solid var(--gas-yellow);
    color: var(--text-color);
}

.complex-note {
    margin-top: 1rem;
    background: rgba(255,184,0,0.04);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border-left: 5px solid var(--gas-yellow);
    font-size: 0.95rem;
    color: var(--text-color);
}

/* ========== ПРЕИМУЩЕСТВА ========== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
    margin: 1.5rem 0 2.5rem;
    justify-content: center;
    align-items: stretch;
}

.advantage-card {
    background: var(--card-bg);
    padding: 2rem 1.5rem;
    border-radius: 28px;
    box-shadow: 0 8px 20px -6px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
    margin: 0 auto;
    width: 100%;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.advantage-card:hover {
    border-color: var(--gas-yellow);
    box-shadow: 0 20px 28px -10px rgba(255,184,0,0.12);
    transform: translateY(-6px);
}

.advantage-icon {
    font-size: 2.5rem;
    color: var(--water-blue);
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.advantage-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin-bottom: 0.5rem;
    flex-shrink: 0;
}

.advantage-card p {
    color: var(--gray-text);
    font-size: 0.98rem;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

@media (min-width: 781px) and (max-width: 1100px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1101px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========== ЗАГОЛОВКИ СЕКЦИЙ ========== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin: 2.2rem 0 1rem 0;
    position: relative;
    padding-left: 1rem;
}

.section-title i {
    color: var(--water-blue);
    margin-right: 10px;
}

.section-title:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    bottom: 0.3rem;
    width: 6px;
    background: linear-gradient(var(--water-blue), var(--water-blue-dark));
    border-radius: 6px;
}

/* ========== СЕТКА УСЛУГ ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.1rem 1.3rem;
    margin-top: 0.8rem;
    justify-content: center;
}

.service-item {
    background: var(--card-bg);
    padding: 1.7rem 1.3rem;
    border-radius: 28px;
    box-shadow: 0 8px 20px -6px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    width: 100%;

}

.service-item:hover {
    border-color: var(--gas-yellow);
    box-shadow: 0 20px 28px -10px rgba(255,184,0,0.1);
    transform: translateY(-6px);
}

.service-icon {
    font-size: 2rem;
    color: var(--water-blue);
    margin-bottom: 0.8rem;
}

.service-item ul {
    margin: 0;
    padding-left: 0.2rem;
    list-style: none;
}

.service-item li {
    margin-bottom: 0.45rem;
    font-size: 0.98rem;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    color: var(--text-color);
}

.service-item li i {
    color: var(--gas-yellow);
    font-size: 0.75rem;
    margin-right: 0.3rem;
    width: 14px;
    text-align: center;
    margin-top: 0.2rem;
}

.badge {
    background: var(--gas-yellow);
    color: #000000;
    font-weight: 600;
    padding: 0.2rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 0.9rem;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

/* ========== ЛАБОРАТОРИЯ ========== */
.lab-card {
    background: linear-gradient(145deg, var(--water-blue) 0%, var(--water-blue-dark) 100%);
    color: white;
    border-radius: 36px;
    padding: 2rem 2rem;
    margin: 1.8rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 25px 30px -10px var(--shadow-color);
    transition: all 0.3s;
}

.lab-card:hover {
    transform: scale(0.99) translateY(-3px);
    box-shadow: 0 32px 42px -12px rgba(0,0,0,0.3);
}

.lab-content {
    flex: 2;
    min-width: 300px;
}

.lab-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lab-content h3 i {
    color: var(--gas-yellow);
}

.lab-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    margin-bottom: 0.8rem;
}

.lab-list {
    list-style: none;
    margin-bottom: 0.8rem;
}

.lab-list li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.lab-list li i {
    color: var(--gas-yellow);
    flex-shrink: 0;
    width: 20px;
    margin-top: 3px;
}

.lab-list li span {
    flex: 1;
    line-height: 1.4;
}

.lab-methods {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

/* Планшеты и уже: складываем лабораторию в колонку, чтобы ничего не "уезжало" */
@media (max-width: 900px) {
    /* Два столбца методов, чтобы не сжимались слишком сильно */
    .lab-methods {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
    }

    .lab-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.8rem 1.6rem;
    }

    .lab-content {
        min-width: 100%;
        margin-bottom: 1.2rem;
    }

    .lab-card .equipment-icon {
        margin-left: 0;
        margin-top: 1rem;
        align-self: stretch;
    }
}

@media (max-width: 780px) {
    .lab-methods {
        grid-template-columns: 1fr;
    }

    /* Чуть компактнее на телефонах */
    .lab-card {
        padding: 1.6rem 1.4rem;
    }
}

/* Карточки методов как "Оснащение" */
.lab-methods .equipment-icon {
    margin-left: 0;
    flex: initial;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
}

.lab-methods .equipment-icon p:last-child {
    color: rgba(255,255,255,0.9);
}

.method-tag {
    background: var(--method-tag-bg);
    border-radius: 60px;
    padding: 0.5rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 400;
    border: 1px solid rgba(255,255,255,0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    color: white;
}

.method-tag i {
    font-size: 0.95rem;
    flex-shrink: 0;
}

.method-tag i.fa-chart-line,
.method-tag i.fa-camera,
.method-tag i.fa-eye {
    color: var(--gas-yellow);
}

.equipment-icon {
    flex: 0 0 200px;
    background: rgba(255,255,255,0.1);
    border-radius: 28px;
    padding: 1.5rem 1rem;
    text-align: center;
    backdrop-filter: blur(4px);
    margin-left: 2rem;
}

.equipment-icon i {
    font-size: 3.2rem;
    color: var(--gas-yellow);
    margin-bottom: 0.5rem;
}

.equipment-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 0.2rem;
    color: white;
}

.equipment-icon p:last-child {
    color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
}

/* ========== ЭТАПЫ РАБОТ ========== */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin: 2rem 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 32px;
    box-shadow: 0 8px 20px -6px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.step-item:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 28px -8px rgba(255,184,0,0.1);
    border-color: var(--gas-yellow);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gas-yellow);
    color: #000000;
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 60px;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin-bottom: 0.4rem;
}

.step-content h4 i {
    color: var(--water-blue);
    margin-right: 8px;
}

.step-content p {
    color: var(--gray-text);
    font-size: 1rem;
}

/* ========== СЛАЙДЕР: НАША ТЕХНИКА ========== */
.equipment-slider-container {
    background: var(--card-bg);
    border-radius: 48px;
    padding: 2rem 2rem 2.5rem;
    margin: 2rem 0;
    box-shadow: 0 20px 40px -12px var(--shadow-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.slider-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.slider-header {
    text-align: center;
    margin-bottom: 2rem;
}

.slider-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin-bottom: 0.5rem;
}

.slider-header p {
    color: var(--gray-text);
    font-size: 1.1rem;
}

.slider-main {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.slider-track-container {
    flex: 1;
    overflow: hidden;
    border-radius: 32px;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slider-slide {
    flex: 0 0 100%;
    width: 100%;
}

.slider-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gas-yellow);
    border: none;
    color: #000000;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    box-shadow: 0 6px 12px rgba(255,184,0,0.2);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--gas-yellow-dark);
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(255,184,0,0.3);
}

.slider-btn i {
    font-size: 1.2rem;
}

/* Контейнер для кнопок на мобильных */
.slider-controls {
    display: none;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0 0.5rem 0;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
}

.dot.active {
    background: var(--gas-yellow);
    transform: scale(1.2);
    box-shadow: 0 0 0 3px rgba(255,184,0,0.2);
}

.dot:hover {
    background: var(--water-blue);
}

.slider-status {
    display: flex;
    justify-content: center;
    margin-top: 1.2rem;
}

.autoplay-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-text);
    background: var(--tag-bg);
    padding: 0.4rem 1.2rem;
    border-radius: 60px;
}

.autoplay-indicator i {
    color: var(--gas-yellow);
}

/* ========== АДАПТАЦИЯ СЛАЙДЕРА ========== */
@media (max-width: 768px) {
    .slider-main {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }
    
    .slider-track-container {
        order: 1;
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .slider-main .slider-btn {
        display: none;
    }
    
    .slider-controls {
        display: flex;
        order: 2;
    }
    
    .slider-dots {
        order: 3;
        margin-top: 0.5rem;
    }
    
    .slider-status {
        order: 4;
    }
}

@media (max-width: 580px) {
    .slider-controls {
        gap: 0.8rem;
    }
    
    .slider-controls .slider-btn {
        display: flex;
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
}

@media (max-width: 360px) {
    .slider-controls .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .slider-controls {
        gap: 0.6rem;
    }
}

/* ========== КАРТОЧКА ТЕХНИКИ ========== */
.equipment-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: 32px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    height: 100%;
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -8px var(--shadow-color);
    border-color: var(--gas-yellow);
}

.equipment-image {
    position: relative;
    height: 380px;
    overflow: hidden;
    background: var(--gray-light);
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    object-position: center;
}

[data-theme="dark"] .equipment-image img {
    opacity: 0.9;
}

.equipment-card:hover .equipment-image img {
    transform: scale(1.05);
}

.image-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gas-yellow);
    color: #000000;
    font-weight: 600;
    padding: 0.4rem 1.2rem;
    border-radius: 60px;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    z-index: 2;
}

.equipment-info {
    padding: 1.8rem 1.8rem 2rem;
}

.equipment-info h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin-bottom: 0.6rem;
}

.equipment-desc {
    color: var(--gray-text);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.equipment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    background: var(--tag-bg);
    padding: 0.3rem 1rem;
    border-radius: 60px;
    font-size: 0.85rem;
    color: var(--tag-text);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.tag i {
    color: var(--gas-yellow);
    font-size: 0.85rem;
    width: 16px;
    text-align: center;
}

/* ========== ФОРМА + КАРТА ========== */
.contact-with-map {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    background: var(--card-bg);
    border-radius: 36px;
    padding: 2.5rem;
    margin: 1.8rem 0;
    box-shadow: 0 20px 35px -8px var(--shadow-color);
    border: 1px solid var(--border-color);
    align-items: center;
    justify-content: center;
}

.form-column {
    flex: 1 1 350px;
    min-width: 300px;
    position: relative;
    padding-bottom: 3.5rem; /* место под уведомление, чтобы ничего не сдвигалось */
}

.form-column h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--water-blue-dark);
    margin-bottom: 0.8rem;
}

.form-column > p {
    color: var(--gray-text);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.simple-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.simple-form input,
.simple-form textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 1.5px solid var(--border-color);
    border-radius: 60px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.2s;
    background: var(--card-bg);
    color: var(--text-color);
    resize: none;
}



.simple-form textarea {
    border-radius: 28px;
}

.simple-form input:focus,
.simple-form textarea:focus {
    border-color: var(--water-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74,158,255,0.1);
    background: var(--card-bg);
}

.simple-form button {
    background: var(--gas-yellow);
    color: #000000;
    border: none;
    padding: 1rem 1.8rem;
    border-radius: 60px;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    margin-top: 0.5rem;
}

.simple-form button:hover {
    background: var(--gas-yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,184,0,0.3);
}

.form-contacts {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
    font-size: 1rem;
    color: var(--text-color);
}

.form-contacts i {
    width: 24px;
    color: var(--water-blue);
}

.map-column {
    flex: 1 1 350px;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.map-column h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--water-blue-dark);
    margin-bottom: 1rem;
    text-align: center;
    width: 100%;
}

.map-column h4 i {
    color: var(--gas-yellow);
    margin-right: 8px;
}

.yandex-map-container {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    margin: 0 auto;
}

.yandex-map-container:hover {
    box-shadow: 0 15px 30px rgba(255,184,0,0.15);
    transform: translateY(-3px);
}

.yandex-map-container iframe {
    display: block;
    width: 100%;
    height: 320px;
    border: 0;
}

.map-address {
    margin-top: 0.8rem;
    font-size: 0.95rem;
    color: var(--gray-text);
    text-align: center;
    width: 100%;
}

.map-address i {
    color: var(--gas-yellow);
    margin-right: 5px;
}

.map-address span {
    font-size: 0.9rem;
    display: block;
    margin-top: 4px;
}

/* Уведомление об отправке формы фиксируем внизу колонки формы,
   чтобы оно не сдвигало карту и остальную вёрстку */
.form-column .form-notification {
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    margin-top: 0;
    z-index: 5; /* поверх текста, полей и иконок */
}

@media (max-width: 780px) {
    .form-column {
        padding-bottom: 4.5rem;
    }
    
    .form-column .form-notification {
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.75rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .form-column {
        padding-bottom: 5rem;
    }
    
    .form-column .form-notification {
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.5rem;
        font-size: 0.85rem;
        line-height: 1.4;
        padding: 10px 16px;
        border-radius: 40px;
    }
}

/* ========== СТИЛИ ДЛЯ СЧЕТЧИКОВ СИМВОЛОВ ========== */
.char-counter {
    font-size: 0.75rem;
    color: var(--gray-text);
    text-align: right;
    margin-top: 4px;
    opacity: 0.7;
    transition: color 0.2s ease;
    font-family: 'Inter', monospace;
}

.char-counter.warning {
    color: #e74c3c;
    font-weight: 500;
    opacity: 1;
}

/* Красная подсветка только после взаимодействия/отправки формы */
.simple-form.was-submitted input:invalid,
.simple-form.was-submitted textarea:invalid,
.simple-form input.touched:invalid,
.simple-form textarea.touched:invalid {
    border-color: #e74c3c;
}

.simple-form.was-submitted input:focus:invalid,
.simple-form.was-submitted textarea:focus:invalid,
.simple-form input.touched:focus:invalid,
.simple-form textarea.touched:focus:invalid {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.simple-form input.touched:valid,
.simple-form textarea.touched:valid {
    border-color: var(--border-color);
}

/* ========== ФУТЕР ========== */
.divider {
    border: none;
    border-top: 2px dashed var(--border-color);
    margin: 2rem 0 1rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    color: var(--gray-text);
    padding-bottom: 1.2rem;
}

.footer-slogan {
    font-weight: 500;
}

.footer-slogan i {
    color: var(--gas-yellow);
    margin-right: 5px;
}

.footer-quote {
    font-style: italic;
    padding: 0.5rem 0 1rem;
    color: var(--gray-text);
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
    text-align: center;
    opacity: 0.9;
}

/* ========== КОПИРАЙТ ФУТЕРА ========== */
.footer-copyright {
    text-align: center;
    padding: 1.5rem 0 0.5rem 0;
    margin-top: 1rem;
    color: var(--gray-text);
    font-size: 0.95rem;
    font-weight: 400;
    border-top: 1px solid var(--border-color);
    letter-spacing: 0.3px;
}

.footer-copyright::before {
    content: "";
    display: block;
    width: 50px;
    height: 2px;
    background: var(--gas-yellow);
    margin: 0 auto 1.2rem auto;
    border-radius: 2px;
    opacity: 0.5;
}

/* ========== КНОПКА "НАВЕРХ" ========== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gas-yellow);
    color: #000000;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background: var(--gas-yellow-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 184, 0, 0.4);
}

.scroll-top-btn i {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.scroll-top-btn:hover i {
    transform: translateY(-3px);
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .scroll-top-btn i {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .scroll-top-btn {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .scroll-top-btn i {
        font-size: 1rem;
    }
}

/* ========== АДАПТИВНОСТЬ ========== */
@media (max-width: 780px) {
    .page {
        padding: 1.5rem 1rem;
    }

    .hero {
        padding: 2rem 1.4rem;
        border-radius: 26px;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-contact-block {
        width: 100%;
        border-radius: 16px;
        justify-content: center;
        padding: 0.65rem 0.8rem;
        gap: 0.45rem 0.9rem;
    }

    .hero-trust {
        grid-template-columns: 1fr;
    }

    .quick-nav {
        margin-top: 0.7rem;
    }

    .hero-nav-toggle {
        display: inline-flex;
    }

    .hero-nav-wrap .quick-nav {
        display: flex;
        flex-direction: column;
        gap: 0.55rem;
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 0;
        right: 0;
        margin: 0;
        width: 100%;
        padding: 0.55rem;
        border-radius: 12px;
        background: rgb(255 255 255 / 25%);
        border: 1px solid rgba(255,255,255,0.24);
        backdrop-filter: blur(10px);
        z-index: 25;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-6px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .hero-nav-wrap .quick-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .hero-nav-wrap .quick-nav a {
        width: 100%;
        text-align: left;
        color: #ffffff;
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.24);
        border-radius: 10px;
    }

    .hero-nav-wrap .quick-nav a i {
        color: var(--gas-yellow);
    }
    
    .principles h2 {
        font-size: 1.6rem;
    }
    
    .step-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-with-map {
        flex-direction: column;
        padding: 1.8rem;
        gap: 1.5rem;
    }
    
    .form-column,
    .map-column {
        width: 100%;
        max-width: 100%;
    }
    
    .yandex-map-container {
        max-width: 100%;
    }
    
    .map-column h4 {
        text-align: center;
    }
    
    .map-address {
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .equipment-slider-container {
        padding: 1.5rem 1rem;
    }
    
    .slider-main {
        gap: 0.5rem;
    }
    
    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .equipment-image {
        height: 280px;
    }
    
    .equipment-info {
        padding: 1.2rem;
    }
    
    .equipment-info h4 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero-btn-primary,
    .hero-btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .quick-nav a {
        width: 100%;
        text-align: center;
    }

    .hero-nav-wrap .quick-nav a {
        text-align: left;
    }

    .hero-contact-block {
        border-radius: 12px;
        padding: 0.65rem 0.7rem;
    }

    .contact-with-map {
        padding: 1.2rem;
        gap: 1.2rem;
    }

    /* Форма + карта: убираем минимальные ширины, чтобы не было горизонтального скролла */
    .form-column,
    .map-column {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* Лаборатория на очень узких экранах */
    .lab-card {
        border-radius: 24px;
        padding: 1.4rem 1.1rem;
        margin: 1.2rem 0;
    }

    .lab-content h3 {
        font-size: 1.5rem;
    }

    .lab-subtitle {
        font-size: 1rem;
    }
    
    .yandex-map-container iframe {
        height: 250px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .principle-card {
        padding: 1.2rem;
    }
    
    .service-item {
        padding: 1.3rem;
    }
    
    .equipment-image {
        height: 220px;
    }
    
    .footer-copyright {
        padding: 1.2rem 0 0.3rem 0;
        font-size: 0.85rem;
    }
}