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

html, body {
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f5f7fb;
    color: #111827;
    line-height: 1.6;
}

a {
    color: #f9a01d;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
    color: #ffb833; /* ярко-оранжевый при наведении */
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: #ffffff;
    border-bottom: 1px solid rgba(15, 148, 181, 0.12);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: #111827;
    padding: 8px 10px;
    border-radius: 999px;
}

.nav-link:hover {
    background-color: rgba(7, 186, 219, 0.08);
    color: #0f95b5;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background-color: #07badb;
    color: #ffffff;
    border-color: #07badb;
}

.btn-primary:hover {
    background-color: #0594af;
    border-color: #0594af;
}

.btn-secondary {
    background-color: transparent;
    color: #0f95b5;
    border-color: rgba(15, 149, 181, 0.35);
}

.btn-secondary:hover {
    background-color: rgba(7, 186, 219, 0.06);
    border-color: #0f95b5;
}

.btn-hero-primary {
    background-color: #f9a01d;
    color: #111827;
    border-radius: 999px;
    padding: 11px 22px;
    font-size: 0.95rem;
    border: none;
}

.btn-hero-primary:hover {
    background-color: #d8850f;
    color: #ffffff;
}

.btn-hero-secondary {
    background-color: #07badb;
    color: #ffffff;
    border-radius: 999px;
    border: none;
    padding: 11px 20px;
    font-size: 0.95rem;
}

.btn-hero-secondary:hover {
    background-color: #0594af;
}

.btn-side {
    width: 100%;
    margin-top: 12px;
    background-color: #07badb;
    color: #ffffff;
}

.btn-side:hover {
    background-color: #0594af;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid rgba(15, 149, 181, 0.4);
    background-color: #ffffff;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 18px;
    background-color: #0f95b5;
    border-radius: 999px;
}

.mobile-navigation {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 16px 20px 20px;
    z-index: 40;
}

.mobile-navigation.active {
    display: block;
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-nav-link {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    background-color: rgba(7, 186, 219, 0.06);
    color: #111827;
}

.mobile-nav-link:hover {
    background-color: rgba(7, 186, 219, 0.15);
}

/* Main layout */
.main-content {
    padding: 32px 0 64px;
}

.section-header {
    margin-bottom: 24px;
}

.section-header.center {
    text-align: center;
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 6px;
}

.section-divider {
    width: 60px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #07badb, #f9a01d);
}

.hero-title {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 10px;
}

.hero-title-line {
    display: block;
    font-weight: 800;
    color: #0f172a;
}

.hero-title-accent {
    display: block;
    font-weight: 700;
    color: #0f95b5;
}

.hero-subtitle {
    max-width: 680px;
    margin: 0 auto 18px;
    color: #4b5563;
    font-size: 0.98rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

/* Overview grid */
.overview-section {
    margin-bottom: 40px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.feature-card {
    background-color: #ffffff;
    border-radius: 18px;
    padding: 18px 18px 16px;
    box-shadow: 0 14px 35px rgba(15, 148, 181, 0.06);
    border: 1px solid rgba(15, 149, 181, 0.08);
}

.feature-card.highlight {
    border-color: #07badb;
    box-shadow: 0 18px 45px rgba(7, 186, 219, 0.14);
}

.feature-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #111827;
}

.feature-text {
    font-size: 0.92rem;
    color: #4b5563;
    margin-bottom: 10px;
}

.feature-list {
    list-style: none;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #374151;
}

.feature-list li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 4px;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background-color: #07badb;
}

.feature-cta {
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
}

.feature-cta::after {
    content: "›";
    margin-left: 4px;
    font-size: 0.9em;
}

/* FAQ */
.faq-section {
    margin-bottom: 40px;
}

.faq-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    background-color: #ffffff;
    border-radius: 14px;
    border: 1px solid rgba(15, 149, 181, 0.12);
    overflow: hidden;
}

.faq-question-btn {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    background-color: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 0.98rem;
    font-weight: 600;
    color: #111827;
}

.faq-toggle-icon {
    font-size: 1.2rem;
    color: #0f95b5;
    margin-left: 10px;
}

.faq-answer-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.faq-answer-container.active {
    max-height: 320px;
}

.faq-answer-inner {
    padding: 0 16px 14px;
    font-size: 0.9rem;
    color: #4b5563;
}

.faq-link {
    display: inline-block;
    margin-top: 8px;
    font-weight: 600;
}

/* About section */
.about-section {
    margin-bottom: 40px;
}

.about-layout {
    display: flex;
    justify-content: center;
}

.about-main-text {
    background-color: #ffffff;
    border-radius: 20px;
    padding: 22px 22px 24px;
    box-shadow: 0 20px 55px rgba(15, 148, 181, 0.08);
    border: 1px solid rgba(15, 149, 181, 0.12);
    max-width: 1020px;
    width: 100%;
}

.about-lead {
    font-size: 0.98rem;
    color: #374151;
    margin-bottom: 14px;
}

.about-lead-highlight {
    background: radial-gradient(circle at 0 0, rgba(7, 186, 219, 0.18), transparent 55%),
                radial-gradient(circle at 100% 100%, rgba(249, 160, 29, 0.16), transparent 55%);
    border-radius: 18px;
    padding: 16px 18px;
    box-shadow: 0 22px 60px rgba(15, 148, 181, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.brand-name {
    font-weight: 700;
    color: #0f95b5;
}

.about-main-text h3 {
    font-size: 1.02rem;
    margin: 22px 0 10px;
    color: #111827;
    padding-left: 12px;
    position: relative;
}

.about-main-text h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    bottom: 3px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, #07badb, #f9a01d);
}

.about-main-text p {
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 8px;
}

.about-main-text ul,
.about-main-text ol {
    font-size: 0.9rem;
    color: #374151;
    margin: 10px 0 16px 0;
    padding-left: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 8px 12px;
}

.about-main-text li {
    position: relative;
    padding: 8px 10px 8px 22px;
    border-radius: 999px;
    background-color: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(15, 149, 181, 0.09);
    backdrop-filter: blur(4px);
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.about-main-text li::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(135deg, #07badb, #f9a01d);
}

.about-main-text li:hover {
    background-color: #ffffff;
    border-color: rgba(7, 186, 219, 0.4);
    transform: translateY(-1px);
}

@media (max-width: 720px) {
    .about-main-text {
        padding: 18px 14px 20px;
        border-radius: 16px;
    }

    .about-main-text ul,
    .about-main-text ol {
        grid-template-columns: minmax(0, 1fr);
    }

    .about-main-text li {
        border-radius: 12px;
    }
}

.disclaimer-text {
    margin-top: 10px;
    font-size: 0.85rem;
    color: #6b7280;
}

.about-side-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card,
.help-card {
    background-color: #ffffff;
    border-radius: 16px;
    padding: 16px 16px 14px;
    box-shadow: 0 14px 35px rgba(15, 148, 181, 0.06);
    border: 1px solid rgba(15, 149, 181, 0.08);
    font-size: 0.9rem;
    color: #4b5563;
}

.stat-card h3,
.help-card h3 {
    font-size: 0.98rem;
    margin-bottom: 6px;
    color: #111827;
}

.stat-card ul,
.help-card ul {
    list-style: none;
    margin: 0;
    padding-left: 0;
}

.stat-card li,
.help-card li {
    margin-bottom: 4px;
}

.side-link {
    display: inline-block;
    margin-top: 8px;
    font-weight: 600;
}

/* Footer */
.footer {
    background-color: #1095b5;
    color: #e5f3f7;
    padding: 28px 0 24px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-top {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) minmax(0, 2fr);
    gap: 20px;
}

.footer-brand-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.footer-brand-description {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.badge-item {
    padding: 6px 12px;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.badge-item:hover {
    background-color: rgba(255, 255, 255, 0.22);
}

.footer-links-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.footer-heading {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.footer-menu {
    list-style: none;
    font-size: 0.88rem;
}

.footer-link {
    display: inline-block;
    margin-bottom: 4px;
    color: #e5f3f7;
}

.footer-link:hover {
    color: #f9a01d;
}

.footer-security-text {
    font-size: 0.86rem;
}

.footer-divider {
    height: 1px;
    background-color: rgba(229, 243, 247, 0.26);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
}

.footer-warning strong {
    font-weight: 700;
}

/* Responsive */
@media (max-width: 900px) {
    .navigation {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .header-inner {
        padding: 10px 0;
    }

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

    .footer-top {
        grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.6fr);
    }
}

@media (max-width: 720px) {
    .overview-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .about-layout {
        grid-template-columns: minmax(0, 1fr);
    }

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

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

    .hero-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 540px) {
    .header-inner {
        gap: 10px;
    }

    .logo-img {
        height: 40px;
    }

    .header-buttons {
        display: flex;
        gap: 8px;
    }

    .header-buttons .btn {
        padding: 9px 14px;
        font-size: 0.86rem;
    }

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

    .faq-answer-container.active {
        max-height: 420px;
    }
}