:root {
    --color-primary: #0B3C5D;
    --color-secondary: #1F78FF;
    --color-accent: #16C1D4;
    --color-text: #2E3440;
    --color-background: #F8FAFC;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-light: #FFFFFF;
    --color-muted: #E2E8F0;
    --font-primary: 'Inter', 'IBM Plex Sans', sans-serif;
    --shadow-soft: 0 18px 48px rgba(11, 60, 93, 0.08);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
}

img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus {
    color: var(--color-accent);
}

.container {
    width: min(1140px, 92%);
    margin: 0 auto;
}

.site-header {
    background-color: var(--color-light);
    border-bottom: 1px solid var(--color-muted);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    gap: 24px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.02em;
}

.primary-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 28px;
}

.primary-nav a {
    font-weight: 600;
    color: var(--color-text);
}

.primary-nav a:hover,
.primary-nav a:focus {
    color: var(--color-secondary);
}

.nav-toggle {
    display: none;
}

.burger {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-muted);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.burger span {
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    position: absolute;
    transition: transform 0.2s ease;
}

.burger span:nth-child(1) {
    transform: translateY(-6px);
}

.burger span:nth-child(2) {
    transform: translateY(0);
}

.burger span:nth-child(3) {
    transform: translateY(6px);
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(11, 60, 93, 0.96);
    color: var(--color-light);
    flex-direction: column;
    padding: 32px;
    gap: 32px;
}

.mobile-menu-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-top span {
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.close-menu {
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-light);
    border: 1px solid rgba(226, 232, 240, 0.4);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 20px;
}

.mobile-menu a {
    color: var(--color-light);
    font-size: 1.3rem;
    font-weight: 600;
}

.mobile-contact {
    margin-top: auto;
    font-size: 0.95rem;
    display: grid;
    gap: 6px;
}

.hero {
    padding: 120px 0 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3rem);
    margin-bottom: 16px;
    color: var(--color-primary);
}

.hero p.lead {
    font-size: 1.1rem;
    color: rgba(46, 52, 64, 0.9);
    margin-bottom: 24px;
}

.tagline {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(22, 193, 212, 0.12);
    color: var(--color-primary);
    padding: 12px 20px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.button-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.btn {
    padding: 14px 26px;
    border-radius: 12px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-light);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #0f5cd3;
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: rgba(31, 120, 255, 0.08);
}

.stat-bar {
    display: grid;
    gap: 14px;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 18px 20px;
    border-radius: 14px;
    background-color: var(--color-light);
    box-shadow: var(--shadow-soft);
}

.stat-item strong {
    font-size: 1.6rem;
    color: var(--color-primary);
}

.section {
    padding: 96px 0;
}

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

.section.accent {
    background-color: rgba(11, 60, 93, 0.05);
}

.section-header {
    max-width: 720px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-header h2 {
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    margin-bottom: 16px;
    color: var(--color-primary);
}

.section-header p {
    color: rgba(46, 52, 64, 0.85);
    font-size: 1rem;
}

.highlight {
    color: var(--color-secondary);
}

.grid-2 {
    display: grid;
    gap: 48px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
}

.grid-3 {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
    background-color: var(--color-light);
    border: 1px solid rgba(11, 60, 93, 0.08);
    border-radius: 16px;
    padding: 28px;
    display: grid;
    gap: 16px;
    box-shadow: var(--shadow-soft);
}

.card h3 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--color-primary);
}

.card p {
    margin: 0;
    color: rgba(46, 52, 64, 0.85);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.data-table thead {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.data-table th,
.data-table td {
    padding: 18px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    font-size: 0.95rem;
}

.data-table tbody tr:nth-child(even) {
    background-color: rgba(226, 232, 240, 0.28);
}

.timeline {
    display: grid;
    gap: 28px;
}

.timeline-step {
    display: grid;
    gap: 12px;
    background-color: var(--color-light);
    border-left: 4px solid var(--color-secondary);
    padding: 20px 24px;
    border-radius: 14px;
    box-shadow: var(--shadow-soft);
}

.timeline-step h4 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.metrics-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
    background-color: var(--color-light);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(11, 60, 93, 0.08);
    box-shadow: var(--shadow-soft);
}

.metric strong {
    display: block;
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.metric span {
    font-size: 0.95rem;
    color: rgba(46, 52, 64, 0.72);
}

.keyword-cloud {
    display: grid;
    gap: 12px;
    padding: 28px;
    border-radius: 16px;
    border: 1px dashed rgba(11, 60, 93, 0.24);
    background-color: rgba(22, 193, 212, 0.08);
}

.keyword-cloud span {
    display: inline-flex;
    background-color: var(--color-light);
    border-radius: 999px;
    padding: 10px 18px;
    border: 1px solid rgba(31, 120, 255, 0.22);
    color: var(--color-primary);
    font-weight: 600;
}

.faq-grid {
    max-width: 920px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

details {
    background-color: var(--color-light);
    border-radius: 16px;
    border: 1px solid rgba(11, 60, 93, 0.12);
    padding: 18px 24px;
    box-shadow: var(--shadow-soft);
}

summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    list-style: none;
}

summary::marker,
summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-secondary);
    transition: transform 0.2s ease;
}

details[open] summary::after {
    content: '–';
}

details p {
    margin-top: 16px;
    color: rgba(46, 52, 64, 0.88);
    font-size: 0.98rem;
}

.contact-panel {
    display: grid;
    gap: 32px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.contact-info {
    background-color: var(--color-light);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(11, 60, 93, 0.12);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 18px;
}

.contact-info h3 {
    margin: 0;
    color: var(--color-primary);
}

.contact-info a {
    font-weight: 600;
    color: var(--color-secondary);
}

.form-card {
    background-color: var(--color-light);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(11, 60, 93, 0.12);
    box-shadow: var(--shadow-soft);
}

form {
    display: grid;
    gap: 18px;
}

label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-primary);
}

input,
textarea,
select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(11, 60, 93, 0.18);
    background-color: #ffffff;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-secondary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(31, 120, 255, 0.12);
}

textarea {
    min-height: 160px;
    resize: vertical;
}

.helper-text {
    font-size: 0.85rem;
    color: rgba(46, 52, 64, 0.7);
}

.site-footer {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 64px 0 36px;
}

.footer-grid {
    display: grid;
    gap: 40px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.footer-brand h4 {
    margin: 0 0 12px;
    font-size: 1.3rem;
}

.footer-brand p {
    margin: 0 0 10px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-contact a {
    color: var(--color-light);
    font-weight: 600;
}

.footer-nav ul,
.footer-legal ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.footer-nav a,
.footer-legal a {
    color: rgba(255, 255, 255, 0.86);
    font-weight: 500;
}

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

.footer-bottom {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
}

.cookie-banner {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 360px;
    background-color: var(--color-light);
    color: var(--color-text);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    z-index: 1200;
    display: grid;
    gap: 12px;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner h4 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-primary);
}

.cookie-banner p {
    margin: 0;
    font-size: 0.92rem;
    color: rgba(46, 52, 64, 0.8);
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(11, 60, 93, 0.08);
    color: var(--color-primary);
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
}

.list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 8px;
}

.alert {
    padding: 18px 20px;
    border-radius: 14px;
    background-color: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.35);
}

.alert.warning {
    background-color: rgba(245, 158, 11, 0.16);
    border-color: rgba(245, 158, 11, 0.42);
}

.table-wrapper {
    overflow-x: auto;
}

.tag-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background-color: rgba(11, 60, 93, 0.1);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary);
}

@media (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .primary-nav {
        display: none;
    }

    .burger {
        display: inline-flex;
    }

    .nav-toggle:checked ~ .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .contact-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .section {
        padding: 72px 0;
    }

    .header-inner {
        padding: 16px 0;
    }

    .stat-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cookie-banner {
        inset: auto 16px 16px 16px;
        max-width: none;
    }
}

@media (max-width: 540px) {
    .button-group {
        flex-direction: column;
        align-items: stretch;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    summary {
        font-size: 1rem;
    }
}