.hero {
    background: 
        radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.15) 0%, transparent 50%),
        var(--bg-dark);
    padding: 90px 0 110px 0;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 780px;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-block;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: 46px;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent);
    color: #0b1320;
}

.btn-primary:hover {
    background-color: #38bdf8;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(0, 210, 255, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

/* --- Общий стиль для блока контента --- */
.main-content {
    background-color: var(--bg-main);
    padding: 90px 0;
}

/* --- УНИВЕРСАЛЬНЫЙ ШАБЛОН ДЛЯ ФОНА СТРАНИЦ --- */
/* Картинка подставляется динамически из переменной --page-bg в HTML */
.main-content.service-bg {
    position: relative;
    background-image: var(--page-bg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.main-content.service-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-main);
    opacity: 0.90; /* Затемнение картинки */
    z-index: 1;
}

.main-content.service-bg .container {
    position: relative;
    z-index: 2;
}

.section-header {
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* --- ЕДИНСТВЕННЫЙ БЛОК ДЛЯ КАРТОЧЕК (без дублирования) --- */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 210, 255, 0.4);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    background: var(--bg-card);
}

.service-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    opacity: 0;
    transition: var(--transition);
}

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

/* --- ОТМЕНА АНИМАЦИИ ДЛЯ СТРАНИЦ С КЛАССОМ .no-hover --- */
.no-hover .service-card:hover {
    transform: none;
    box-shadow: var(--shadow-card);
    border-color: var(--border-color);
    background: var(--bg-card);
}

.no-hover .service-card:hover::before {
    opacity: 0;
}

.card-wide {
    grid-column: span 2;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.service-icon {
    font-size: 22px;
    color: var(--accent);
    background: rgba(0, 210, 255, 0.08);
    border: 1px solid rgba(0, 210, 255, 0.15);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
}

.card-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

.card-features {
    list-style: none;
    margin-bottom: 28px;
    margin-top: auto;
}

.card-features li {
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 10px;
    position: relative;
    padding-left: 22px;
}

.card-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.service-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.service-card:hover .service-link {
    color: var(--accent);
    transform: translateX(4px);
}

.hero-bg-container {
    width: 100%;
    max-width: 520px;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 210, 255, 0.35);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    background-image: url('../assets/images/test-cctv-backgraung.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}