/* ===== Tokens (blue) ===== */
:root {
    --bg: #081327;
    --bg-2: #0b1831;
    --panel: #0e2350;
    --panel-2: #12306e;
    --line: #1c3d8c;
    --text: #ffffff;
    --muted: #cde2ff;
    --accent: #58c7ff;
    --accent-2: #8be1ff;
    --accent-dark: #0ea5e9;
    --focus: #fcd34d;
    --danger: #ff6b6b;
    --radius: 18px;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
    --maxw: 1200px;
    --font: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans',
        Arial;
}
* {
    box-sizing: border-box;
}
html,
body {
    height: 100%;
}
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: radial-gradient(
            1200px 600px at 80% -10%,
            rgba(30, 144, 255, 0.18),
            transparent 60%
        ),
        radial-gradient(
            1000px 500px at -10% 10%,
            rgba(0, 146, 255, 0.15),
            transparent 60%
        ),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 35%, #0a1a3a 100%);
    line-height: 1.6;
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--accent-2);
    text-decoration: none;
}
a:focus,
button:focus,
input:focus,
details:focus {
    outline: 3px dashed var(--focus);
    outline-offset: 2px;
}
.container {
    max-width: var(--maxw);
    margin-inline: auto;
    padding: 24px;
}
.card {
    background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
}
.section {
    padding: 36px 0;
}
.section-title {
    font-size: 30px;
    margin: 0 0 14px;
}
.muted {
    color: var(--muted);
}
.small {
    font-size: 16px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
@media (max-width: 980px) {
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}
.breadcrumbs {
    display: none !important;
}

/* Feature list */
.feature {
    display: flex;
    gap: 12px;
}
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(88, 199, 255, 0.2);
    border: 1px solid var(--line);
}
.check {
    width: 14px;
    height: 14px;
    border: 3px solid var(--accent-2);
    border-left: 0;
    border-top: 0;
    transform: rotate(45deg);
}

/* FAQ */
details.faq {
    background: #0f244f;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
}
details.faq + details.faq {
    margin-top: 12px;
}
details.faq summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}
details.faq summary::-webkit-details-marker {
    display: none;
}
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.pros-cons .good {
    border-left: 4px solid #34d399;
    padding-left: 12px;
}
.pros-cons .bad {
    border-left: 4px solid #f87171;
    padding-left: 12px;
}
@media (max-width: 780px) {
    .pros-cons {
        grid-template-columns: 1fr;
    }
}
.btn {
    appearance: none;
    border: 0;
    cursor: pointer;
    border-radius: 14px;
    padding: 14px 18px;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: 0.2s transform ease, 0.2s background ease;
    box-shadow: 0 8px 22px rgba(24, 144, 255, 0.22);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary {
    background: var(--accent);
    color: #012033;
}
.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}
footer {
    margin-top: 34px;
    padding: 28px 0;
    border-top: 1px solid var(--line);
    background: #071226;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 18px;
}
@media (max-width: 980px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
/* ===== Unified Header — теперь используется header.css ===== */