/* ============================================
   SPLIT-MASTER61 - ОБЪЕДИНЁННЫЕ СТИЛИ
   Версия: 5.0 (полное устранение всех конфликтов)
   ============================================ */

/* === ПЕРЕМЕННЫЕ === */
:root {
    --primary-blue: #1E40AF;
    --primary-dark: #1E3A8A;
    --turquoise: #06B6D4;
    --green: #10B981;
    --green-hover: #059669;
    --text-dark: #374151;
    --text-light: #6B7280;
    --bg-light: #F3F4F6;
    --white: #FFFFFF;
    --shadow: 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);
}

/* === СБРОС И БАЗА === */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* === КНОПКИ === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}
.btn-primary { background: var(--green); color: var(--white); }
.btn-primary:hover {
    background: var(--green-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--primary-blue);
}
.btn-large { padding: 18px 40px; font-size: 18px; }

/* === ВЕРХНЯЯ ПАНЕЛЬ === */
.top-bar {
    background: var(--white);
    padding: 10px 0;
    border-bottom: 1px solid var(--bg-light);
}
.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.phone-link {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
}
.phone-link:hover { color: var(--turquoise); }
.social-links { display: flex; gap: 15px; }
.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
}
.social-links .whatsapp { background: #25D366; color: white; }
.social-links .telegram { background: #0088cc; color: white; }
.social-links .youtube { background: #FF0000; color: white; }
.social-links a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* === ШАПКА === */
header {
    background: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 50px; width: auto; }
.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-blue);
}
.nav-menu { display: flex; gap: 30px; }
.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}
.nav-menu a:hover,
.nav-menu a.active { color: var(--primary-blue); }
.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-blue);
}
.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-blue);
}

/* ============================================
   HERO SECTION - ГЛАВНАЯ СТРАНИЦА
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--turquoise) 100%);
    padding: 100px 0 120px;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 300px;
    opacity: 0.3;
}
.hero h1 { font-size: 48px; margin-bottom: 20px; position: relative; }
.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    position: relative;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}
.hero-features {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-top: 60px;
    flex-wrap: wrap;
    position: relative;
}
.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}
.hero-feature i { color: var(--green); font-size: 20px; }

/* ============================================
   HERO SECTION - СТРАНИЦЫ УСЛУГ
   ============================================ */
.hero-service {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--turquoise) 100%);
    padding: 80px 0 100px;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-service::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 300px;
    opacity: 0.3;
}
.hero-service h1 { font-size: 48px; margin-bottom: 20px; position: relative; }
.hero-service .hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    position: relative;
}
.hero-price {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
}
.hero-price span { font-size: 20px; font-weight: 400; }

/* ============================================
   SERVICES SECTION (ГЛАВНАЯ)
   ============================================ */
.services-section { padding: 100px 0; background: var(--white); }
.services-section h2 {
    font-size: 36px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 20px;
}
.services-section > .container > p {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border: 1px solid var(--bg-light);
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}
.service-image {
    height: 250px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 80px;
}
.service-content { padding: 30px; }
.service-content h3 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}
.service-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 16px;
}
.service-price {
    font-size: 22px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 20px;
}
.service-btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.service-btn:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
}

/* ============================================
   ADVANTAGES SECTION (ГЛАВНАЯ - большие иконки)
   ============================================ */
.advantages-section {
    padding: 100px 0;
    background: var(--bg-light);
}
.advantages-section h2 {
    font-size: 36px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 60px;
}
.advantages-section .advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.advantages-section .advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}
.advantages-section .advantage-card:hover { transform: translateY(-5px); }
.advantages-section .advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 32px;
}
.advantages-section .advantage-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 15px;
}
.advantages-section .advantage-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   ADVANTAGES BAR (УСЛУГИ - маленькие иконки)
   ============================================ */
.advantages {
    padding: 60px 0;
    background: var(--white);
    margin-top: -50px;
    position: relative;
    z-index: 10;
}
.advantages .advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.advantages .advantage-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}
.advantages .advantage-card:hover { transform: translateY(-5px); }
.advantages .advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 24px;
}
.advantages .advantage-card h3 {
    font-size: 18px;
    color: var(--text-dark);
}

/* ============================================
   ABOUT SECTION (ГЛАВНАЯ)
   ============================================ */
.about-section { padding: 100px 0; background: var(--white); }
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-text h2 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 25px;
}
.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 18px;
}
.about-list { margin-top: 30px; }
.about-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-size: 16px;
}
.about-list li i { color: var(--green); font-size: 20px; }
.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ============================================
   GEO SECTION (ГЛАВНАЯ)
   ============================================ */
.geo-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--turquoise) 100%);
    color: var(--white);
    text-align: center;
}
.geo-section h2 { font-size: 36px; margin-bottom: 20px; }
.geo-section p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}
.geo-cities {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}
.geo-city {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
}
.geo-city i { color: var(--green); }

/* ============================================
   CTA SECTION - ГЛАВНАЯ (белый фон)
   ============================================ */
.cta-section-main {
    padding: 100px 0;
    background: var(--white);
    text-align: center;
}
.cta-section-main h2 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}
.cta-section-main p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-phone-large {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin: 30px 0;
}
.cta-phone-large:hover { color: var(--turquoise); }

/* ============================================
   CTA SECTION - УСЛУГИ (градиент фон)
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--turquoise) 100%);
    color: var(--white);
    text-align: center;
}
.cta-section h2 { font-size: 36px; margin-bottom: 20px; }
.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}
.cta-phones {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.cta-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}
.cta-info {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.2);
}
.cta-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

/* ============================================
   CONTENT SECTION (УСЛУГИ)
   ============================================ */
.content-section { padding: 80px 0; }
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.content-text h2 {
    font-size: 32px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}
.content-text p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 18px;
}
.content-text ul { margin-bottom: 20px; }
.content-text li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
    font-size: 16px;
}
.content-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}
.content-text .warning {
    background: #FEF3C7;
    border-left: 4px solid #F59E0B;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}
.content-text .warning p {
    color: var(--text-dark);
    margin: 0;
}
.content-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.content-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ============================================
   SIGNS SECTION (ЧИСТКА)
   ============================================ */
.signs-section {
    padding: 80px 0;
    background: var(--bg-light);
}
.signs-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 20px;
}
.signs-section > .container > p {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.signs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.sign-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 15px;
    align-items: flex-start;
}
.sign-icon {
    width: 40px;
    height: 40px;
    background: #FEF3C7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #F59E0B;
    font-size: 18px;
    flex-shrink: 0;
}
.sign-card p {
    color: var(--text-dark);
    font-size: 15px;
    font-weight: 500;
}

/* ============================================
   PROCESS SECTION (ЧИСТКА)
   ============================================ */
.process-section { padding: 80px 0; }
.process-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.process-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border-left: 4px solid var(--turquoise);
}
.process-number {
    width: 40px;
    height: 40px;
    background: var(--turquoise);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}
.process-card h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-dark);
}
.process-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   TOOLS SECTION - МОНТАЖ (2 колонки)
   ============================================ */
.tools-section {
    padding: 80px 0;
    background: var(--bg-light);
}
.tools-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.tool-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.tool-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 20px;
    flex-shrink: 0;
}
.tool-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
}
.tool-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   TOOLS SECTION - ЧИСТКА (3 колонки, центрировано)
   ============================================ */
.tools-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.tools-grid-3 .tool-card {
    text-align: center;
    flex-direction: column;
    align-items: center;
}
.tools-grid-3 .tool-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    color: var(--white);
    font-size: 28px;
    margin: 0 auto 20px;
}

/* ============================================
   STAGES SECTION (ТРАССЫ)
   ============================================ */
.stages-section {
    padding: 80px 0;
    background: var(--bg-light);
}
.stages-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 20px;
}
.stages-section > .container > p {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.stages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.stage-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.stage-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--turquoise));
}
.stage-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}
.stage-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
}
.stage-card p {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 15px;
}
.stage-card ul { margin-top: 20px; }
.stage-card li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-size: 15px;
}
.stage-card li i { color: var(--green); }

/* ============================================
   BENEFITS SECTION (ТРАССЫ)
   ============================================ */
.benefits-section { padding: 80px 0; }
.benefits-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.benefit-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border-left: 4px solid var(--turquoise);
}
.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 22px;
    flex-shrink: 0;
}
.benefit-card h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-dark);
}
.benefit-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   WORKS SECTION (ТРАССЫ)
   ============================================ */
.works-section {
    padding: 80px 0;
    background: var(--bg-light);
}
.works-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.work-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}
.work-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 28px;
}
.work-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.work-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   MALFUNCTIONS SECTION (РЕМОНТ)
   ============================================ */
.malfunctions-section {
    padding: 80px 0;
    background: var(--bg-light);
}
.malfunctions-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 20px;
}
.malfunctions-section > .container > p {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.malfunctions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.malfunction-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}
.malfunction-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}
.malfunction-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}
.malfunction-icon.installation {
    background: #FEE2E2;
    color: #DC2626;
}
.malfunction-icon.operation {
    background: #DBEAFE;
    color: #2563EB;
}
.malfunction-card h3 {
    font-size: 22px;
    color: var(--text-dark);
}
.malfunction-card ul { margin-top: 20px; }
.malfunction-card li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-size: 16px;
}
.malfunction-card li i {
    color: var(--green);
    font-size: 18px;
}

/* ============================================
   DIAGNOSTICS SECTION (РЕМОНТ)
   ============================================ */
.diagnostics-section { padding: 80px 0; }
.diagnostics-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.diagnostics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.diagnostic-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    border-top: 4px solid var(--turquoise);
}
.diagnostic-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--turquoise));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 28px;
}
.diagnostic-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.diagnostic-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* ============================================
   GALLERY SECTION - ОБЩИЕ СТИЛИ
   ============================================ */
.gallery-section { padding: 80px 0; }
.gallery-section h2 {
    font-size: 32px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 50px;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

/* Галерея: вертикальные фото (монтаж, ремонт) - 513×684 */
.gallery-vertical .gallery-item { aspect-ratio: 513/684; }

/* Галерея: квадратные фото (чистка) - 939×939 */
.gallery-square .gallery-item { aspect-ratio: 1/1; }

/* Галерея: высокие вертикальные (трассы) - 939×1252 */
.gallery-tall .gallery-item { aspect-ratio: 939/1252; }

/* ============================================
   PRICE NOTE (УСЛУГИ)
   ============================================ */
.price-note {
    background: var(--bg-light);
    padding: 30px 0;
    text-align: center;
}
.price-note p {
    color: var(--text-light);
    font-size: 14px;
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   FOOTER - ПРОСТОЙ (УСЛУГИ)
   ============================================ */
.footer-simple {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-text { opacity: 0.8; font-size: 14px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a {
    opacity: 0.8;
    transition: opacity 0.3s ease;
    font-size: 14px;
}
.footer-links a:hover { opacity: 1; }

/* ============================================
   FOOTER - РАСШИРЕННЫЙ (ГЛАВНАЯ)
   ============================================ */
.footer-main {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--turquoise);
}
.footer-col p,
.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    display: block;
    font-size: 16px;
}
.footer-col a:hover { color: var(--white); }
.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}
.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
}
.footer-social .whatsapp { background: #25D366; }
.footer-social .telegram { background: #0088cc; }
.footer-social .youtube { background: #FF0000; }
.footer-social a:hover { transform: translateY(-3px); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ============================================
   MOBILE FLOATING BUTTONS
   ============================================ */
.mobile-floating {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    gap: 15px;
}
.mobile-floating .btn {
    padding: 12px 24px;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
}

/* ============================================
   АДАПТИВ
   ============================================ */
@media (max-width: 1024px) {
    .advantages .advantages-grid,
    .advantages-section .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .signs-grid { grid-template-columns: repeat(2, 1fr); }
    .tools-grid, .tools-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
    .stages-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .works-grid { grid-template-columns: repeat(2, 1fr); }
    .malfunctions-grid { grid-template-columns: 1fr; }
    .diagnostics-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-social { justify-content: center; }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-lg);
    }
    .nav-menu.active { display: flex; }
    .mobile-menu-btn { display: block; }
    
    .hero h1, .hero-service h1 { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .hero-price { font-size: 28px; }
    .hero-features { flex-direction: column; gap: 15px; }
    
    .content-grid { grid-template-columns: 1fr; gap: 40px; }
    .process-grid { grid-template-columns: 1fr; }
    .signs-grid { grid-template-columns: 1fr; }
    .tools-grid, .tools-grid-3 { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    
    .advantages { margin-top: 0; }
    .advantages .advantages-grid,
    .advantages-section .advantages-grid { grid-template-columns: 1fr; }
    
    .geo-cities { flex-direction: column; gap: 15px; }
    .mobile-floating { display: flex; }
    .cta-phones { flex-direction: column; gap: 15px; }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .hero, .hero-service { padding: 60px 0 80px; }
    .gallery-grid { grid-template-columns: 1fr; }
    
    .sign-card { flex-direction: column; text-align: center; }
    .sign-icon { margin: 0 auto; }
    
    .process-card { flex-direction: column; text-align: center; }
    .process-number { margin: 0 auto; }
    
    .tool-card { flex-direction: column; text-align: center; }
    .tool-icon { margin: 0 auto; }
    
    .stage-card { padding: 25px; }
    .benefit-card { flex-direction: column; text-align: center; }
    .benefit-icon { margin: 0 auto; }
    .work-card { padding: 20px; }
    
    .malfunction-card { padding: 25px; }
    .malfunction-header { flex-direction: column; text-align: center; }
    .diagnostic-card { padding: 20px; }
    
    .services-section, .advantages-section, .about-section,
    .cta-section, .cta-section-main { padding: 60px 0; }
    
    .hero-buttons { flex-direction: column; align-items: center; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .service-card { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
    footer,
    .footer-main,
    .footer-simple {
        padding-bottom: 80px !important;
    }
}