:root {
    --primary: #0066ff; /* Яркий синий */
    --primary-dark: #0052cc;
    --accent: #ff6b35; /* Оранжевый акцент для CTA */
    --accent-hover: #ff5722;
    --success: #00c853;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --text-main: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background: var(--bg-white);
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header { 
    background: var(--bg-white); 
    box-shadow: var(--shadow); 
    position: sticky; 
    top: 0; 
    z-index: 100; 
}
.header-inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 18px 0; 
}
.logo { 
    font-size: 26px; 
    font-weight: 800; 
    color: var(--primary); 
    letter-spacing: -0.5px;
}
.nav { display: flex; gap: 28px; }
.nav a { 
    color: var(--text-main); 
    font-weight: 500; 
    font-size: 15px;
}
.phone-link {
    font-weight: 600;
    color: var(--text-main);
    font-size: 16px;
}

/* Buttons */
.btn { 
    display: inline-block; 
    padding: 14px 32px; 
    border-radius: var(--radius-sm); 
    font-weight: 600; 
    font-size: 16px;
    text-align: center; 
    transition: all 0.2s; 
    border: none; 
    cursor: pointer; 
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); text-decoration: none; }
.btn-primary { 
    background: var(--accent); 
    color: var(--bg-white); 
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { 
    background: transparent; 
    border: 2px solid var(--primary); 
    color: var(--primary); 
}
.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* Hero Section with Calculator */
.hero { 
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%); 
    padding: 60px 0 80px; 
}
.hero-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 50px; 
    align-items: center; 
}
.hero-text h1 { 
    font-size: 48px; 
    line-height: 1.15; 
    margin-bottom: 20px; 
    font-weight: 800;
}
.hero-text p { 
    font-size: 20px; 
    color: var(--text-secondary); 
    margin-bottom: 30px; 
    line-height: 1.5;
}
.hero-features {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}
.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-secondary);
}
.hero-feature-icon {
    width: 24px;
    height: 24px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: bold;
}

/* Calculator Card */
.calculator { 
    background: var(--bg-white); 
    padding: 35px; 
    border-radius: var(--radius); 
    box-shadow: 0 8px 24px rgba(0,0,0,0.1); 
}
.calc-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-main);
}
.calc-field {
    margin-bottom: 25px;
}
.calc-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}
.calc-value {
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}
.calc-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e0e0e0;
    outline: none;
    -webkit-appearance: none;
}
.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.calc-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.calc-summary {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius-sm);
    margin: 25px 0;
}
.calc-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 15px;
}
.calc-summary-row:last-child {
    margin-bottom: 0;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-weight: 700;
    font-size: 17px;
}
.calc-summary-value {
    font-weight: 600;
    color: var(--text-main);
}
.calc-disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 15px;
    line-height: 1.5;
}

/* Features Section */
.features { 
    padding: 80px 0; 
    background: var(--bg-white);
}
.section-title { 
    text-align: center; 
    font-size: 36px; 
    margin-bottom: 50px; 
    font-weight: 800;
}
.features-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); 
    gap: 30px; 
}
.feature-item { 
    text-align: center; 
    padding: 30px 20px; 
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: all 0.3s;
}
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.feature-icon { 
    font-size: 48px; 
    margin-bottom: 20px; 
}
.feature-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 700;
}
.feature-item p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* Steps Section */
.steps {
    padding: 80px 0;
    background: var(--bg-light);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}
.step-item {
    position: relative;
    background: var(--bg-white);
    padding: 35px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.step-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
}
.step-item h3 {
    font-size: 22px;
    margin: 20px 0 15px;
    font-weight: 700;
}
.step-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Partners Section */
.partners {
    padding: 80px 0;
    background: var(--bg-white);
}
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}
.partner-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: all 0.3s;
}
.partner-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}
.partner-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 700;
}
.partner-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 15px;
}
.partner-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
    font-size: 15px;
}
.partner-info-row {
    display: flex;
    justify-content: space-between;
}
.partner-info-label {
    color: var(--text-muted);
}
.partner-info-value {
    font-weight: 600;
    color: var(--text-main);
}

/* Footer */
.footer { 
    background: #1a1a1a; 
    color: #cccccc; 
    padding: 50px 0 25px; 
    margin-top: 80px; 
    font-size: 14px; 
}
.footer-grid { 
    display: grid; 
    grid-template-columns: 2fr 1fr 1fr; 
    gap: 50px; 
    margin-bottom: 40px; 
}
.footer h4 { 
    color: var(--bg-white); 
    margin-bottom: 20px; 
    font-size: 16px;
}
.footer p {
    margin-bottom: 10px;
    line-height: 1.6;
}
.footer a { 
    color: #cccccc; 
    transition: color 0.2s;
}
.footer a:hover {
    color: var(--bg-white);
}
.legal-disclaimer { 
    border-top: 1px solid #333; 
    padding-top: 25px; 
    font-size: 12px; 
    color: #888; 
    line-height: 1.6; 
}
.legal-disclaimer p {
    margin-bottom: 10px;
}

/* Breadcrumbs */
.breadcrumbs { 
    padding: 25px 0; 
    font-size: 14px; 
    color: var(--text-muted); 
}
.breadcrumbs a { 
    color: var(--text-muted); 
}
.breadcrumbs a:hover {
    color: var(--primary);
}
.breadcrumbs span { 
    margin: 0 8px; 
}

/* Content Page */
.content-page { 
    padding: 40px 0 80px; 
    min-height: 60vh; 
}
.content-page h1 { 
    font-size: 40px; 
    margin-bottom: 25px; 
    font-weight: 800;
}
.content-page h2 { 
    font-size: 28px; 
    margin: 40px 0 20px; 
    font-weight: 700;
}
.content-page p, .content-page ul { 
    margin-bottom: 18px; 
    font-size: 16px;
    line-height: 1.7;
}
.content-page ul { 
    padding-left: 25px; 
}
.content-page li {
    margin-bottom: 10px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-grid { 
        grid-template-columns: 1fr; 
        gap: 40px;
    }
    .hero-text {
        text-align: center;
    }
    .hero-text h1 { 
        font-size: 36px; 
    }
    .hero-features {
        flex-direction: column;
        gap: 15px;
    }
    .nav { 
        display: none; 
    }
    .footer-grid { 
        grid-template-columns: 1fr; 
        gap: 30px;
    }
    .header-inner { 
        flex-direction: column; 
        gap: 15px; 
    }
    .section-title {
        font-size: 28px;
    }
    .calculator {
        padding: 25px;
    }
    .content-page h1 {
        font-size: 32px;
    }
    .content-page h2 {
        font-size: 24px;
    }
}

        .contacts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        .contact-card {
            background: var(--bg-white);
            border: 2px solid var(--border);
            border-radius: var(--radius);
            padding: 35px 30px;
            transition: all 0.3s;
        }
        .contact-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .contact-card-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }
        .contact-card h3 {
            font-size: 22px;
            margin-bottom: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .contact-info-item {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .contact-info-label {
            font-size: 13px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }
        .contact-info-value {
            font-size: 16px;
            color: var(--text-main);
            font-weight: 500;
            line-height: 1.5;
        }
        .contact-info-value a {
            color: var(--primary);
            font-weight: 600;
            font-size: 18px;
        }
        .contact-info-value a:hover {
            color: var(--primary-dark);
        }
        .requisites-table {
            width: 100%;
            margin-top: 15px;
        }
        .requisites-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .requisites-row:last-child {
            border-bottom: none;
        }
        .requisites-label {
            color: var(--text-secondary);
            font-size: 15px;
        }
        .requisites-value {
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
        }
        .support-badge {
            display: inline-block;
            background: var(--success);
            color: white;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 15px;
        }
        .map-placeholder {
            width: 100%;
            height: 400px;
            background: var(--bg-light);
            border-radius: var(--radius);
            margin-top: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 18px;
            border: 2px dashed var(--border);
        }
        @media (max-width: 768px) {
            .contacts-grid {
                grid-template-columns: 1fr;
            }
            .contact-card {
                padding: 25px 20px;
            }
        }