/* === СБРОС И БАЗОВЫЕ СТИЛИ === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1e3a5f;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-dark: #1a2332;
    --color-text: #374151;
    --color-light-bg: #f5f7fa;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === ШАПКА === */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: var(--color-primary);
}

.logo-icon {
    color: var(--color-accent);
    font-size: 24px;
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    color: var(--color-dark);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--color-accent);
}

/* === HERO === */
.hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d4a7a 100%);
    color: var(--color-white);
    padding: 90px 0;
    text-align: center;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 19px;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.95;
    line-height: 1.5;
}

/* === КНОПКИ === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-large {
    padding: 18px 44px;
    font-size: 17px;
}

/* === СЕКЦИИ === */
.section {
    padding: 80px 0;
}

.section-light {
    background-color: var(--color-light-bg);
}

.section-title {
    font-size: 32px;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 24px;
    font-weight: 700;
}

.section-title-light {
    color: var(--color-white);
}

.section-text {
    font-size: 17px;
    max-width: 820px;
    margin: 0 auto 20px;
    text-align: center;
    line-height: 1.7;
}

.section-text strong {
    color: var(--color-primary);
}

/* === БЛОК-ВЫДЕЛЕНИЕ === */
.highlight-box {
    background-color: var(--color-white);
    border-left: 4px solid var(--color-accent);
    padding: 24px 30px;
    margin: 36px auto 0;
    max-width: 820px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.highlight-box p {
    text-align: left;
    font-size: 16px;
    line-height: 1.6;
}

/* === ШАГИ === */
.steps-list {
    max-width: 800px;
    margin: 48px auto 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step-item {
    display: flex;
    gap: 20px;
    background: var(--color-white);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.step-content h3 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.5;
}

/* === ПРЕИМУЩЕСТВА === */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.benefit-card {
    background-color: var(--color-white);
    padding: 36px 30px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all 0.2s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border-color: var(--color-accent);
}

.benefit-icon {
    font-size: 36px;
    color: var(--color-accent);
    margin-bottom: 16px;
    font-weight: 700;
}

.benefit-card h3 {
    font-size: 19px;
    color: var(--color-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.benefit-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
}

/* === FAQ === */
.faq-container {
    max-width: 800px;
    margin: 48px auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 24px 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 18px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 12px;
    cursor: default;
}

.faq-answer {
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.6;
}

/* === CTA-СЕКЦИЯ === */
.cta-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d4a7a 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-text {
    font-size: 18px;
    max-width: 720px;
    margin: 0 auto 36px;
    opacity: 0.95;
    line-height: 1.6;
}

/* === ФУТЕР === */
.footer {
    background-color: var(--color-dark);
    color: #9ca3af;
    padding: 60px 0 24px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.logo-footer {
    color: var(--color-white);
    margin-bottom: 14px;
}

.footer-text {
    font-size: 14px;
    line-height: 1.6;
}

.footer-text a {
    color: var(--color-accent);
    text-decoration: none;
}

.footer-text a:hover {
    text-decoration: underline;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 14px;
    }
    
    .nav {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-text {
        font-size: 16px;
    }
    
    .step-item {
        flex-direction: column;
        gap: 12px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
        width: 100%;
        text-align: center;
    }
}