:root {
    --bg: #f6f8fb;
    --bg-panel: #ffffff;
    --ink: #172033;
    --muted: #637083;
    --line: rgba(23, 32, 51, 0.12);
    --brand: #2458a6;
    --brand-2: #0f766e;
    --brand-dark: #10223f;
    --soft-blue: #eaf1fb;
    --soft-green: #e9f7f3;
    --white: #ffffff;
    --radius: 20px;
    --shadow: 0 18px 55px rgba(16, 34, 63, 0.10);
    --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.58;
}
a { color: inherit; }
.skip-link {
    position: absolute;
    left: -999px;
    top: 10px;
    background: var(--white);
    color: var(--ink);
    padding: 10px 14px;
    border-radius: 10px;
    z-index: 10;
}
.skip-link:focus { left: 10px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(246, 248, 251, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    min-width: max-content;
}
.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, var(--brand), var(--brand-2));
    color: var(--white);
    font-weight: 900;
    letter-spacing: -0.08em;
    box-shadow: 0 10px 25px rgba(36, 88, 166, 0.24);
}
.brand-text strong {
    display: block;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}
.brand-text span {
    display: block;
    color: var(--muted);
    font-size: 0.86rem;
}
.main-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
    font-size: 0.92rem;
}
.main-nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}
.main-nav a:hover,
.main-nav a:focus,
.main-nav a.is-active {
    color: var(--brand-dark);
    background: var(--white);
    border-color: var(--line);
}

.hero {
    background:
        radial-gradient(circle at 18% 22%, rgba(36, 88, 166, 0.28), transparent 30rem),
        radial-gradient(circle at 82% 8%, rgba(15, 118, 110, 0.22), transparent 26rem),
        linear-gradient(135deg, #10223f 0%, #172033 66%, #0d1a2f 100%);
    color: var(--white);
    padding: 70px 22px 80px;
}
.hero-inner,
.section,
.band-inner {
    max-width: var(--max);
    margin: 0 auto;
}
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.72fr);
    gap: 46px;
    align-items: center;
}
.kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: rgba(255,255,255,0.78);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-weight: 750;
    font-size: 0.82rem;
    margin-bottom: 20px;
}
.kicker::before {
    content: "";
    width: 36px;
    height: 2px;
    border-radius: 2px;
    background: #76d4c8;
}
h1 {
    margin: 0;
    font-size: clamp(2.25rem, 5vw, 4.7rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    max-width: 880px;
}
.hero p.lead {
    color: rgba(255,255,255,0.80);
    font-size: clamp(1.05rem, 2vw, 1.22rem);
    max-width: 760px;
    margin: 28px 0 0;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}
.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 11px 17px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 760;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover,
.button:focus { transform: translateY(-1px); }
.button-primary {
    background: #76d4c8;
    color: #10223f;
}
.button-primary:hover,
.button-primary:focus { background: #8fe2d8; }
.button-secondary {
    border: 1px solid rgba(255,255,255,0.24);
    color: var(--white);
}
.button-secondary:hover,
.button-secondary:focus { background: rgba(255,255,255,0.08); }
.button-ghost {
    border: 1px solid rgba(255,255,255,0.24);
    color: var(--white);
}

.hero-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: 0 25px 70px rgba(0,0,0,0.24);
}
.hero-card h2 {
    margin: 0 0 15px;
    font-size: 1.38rem;
    letter-spacing: -0.03em;
}
.hero-card p {
    color: rgba(255,255,255,0.76);
    margin: 0 0 20px;
}
.check-list,
.clean-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.check-list li,
.clean-list li {
    position: relative;
    padding-left: 26px;
    margin: 10px 0;
    color: rgba(255,255,255,0.82);
}
.clean-list li { color: var(--muted); }
.check-list li::before,
.clean-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #76d4c8;
    font-weight: 900;
}

.section {
    padding: 58px 22px;
}
.section.tight { padding-top: 34px; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 28px;
    margin-bottom: 24px;
}
.section-head h2,
.panel h2,
.content h2 {
    margin: 0;
    font-size: clamp(1.65rem, 3vw, 2.55rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}
.section-head p {
    margin: 0;
    max-width: 560px;
    color: var(--muted);
}
.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.card,
.panel,
.info-box,
.price-card {
    background: var(--bg-panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 14px 36px rgba(16, 34, 63, 0.06);
}
.card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 250px;
}
.card small,
.pill {
    width: fit-content;
    border-radius: 999px;
    background: var(--soft-blue);
    color: var(--brand);
    padding: 6px 10px;
    font-size: 0.76rem;
    font-weight: 820;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.card h3 {
    margin: 18px 0 10px;
    font-size: 1.22rem;
    line-height: 1.18;
}
.card p,
.panel p,
.content p,
.info-box p,
.price-card p { color: var(--muted); }
.card a {
    margin-top: 20px;
    color: var(--brand-dark);
    font-weight: 800;
    text-decoration: none;
}
.card a::after { content: " →"; }

.band {
    background: var(--white);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.band-inner {
    padding: 42px 22px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
}
.panel { padding: clamp(24px, 4vw, 36px); }
.panel.highlight {
    background: linear-gradient(145deg, var(--soft-blue), var(--soft-green));
}
.panel h3,
.content h3,
.price-card h3 {
    margin: 0 0 10px;
    font-size: 1.28rem;
    letter-spacing: -0.02em;
}

.page-hero {
    padding: 60px 22px 48px;
    background: linear-gradient(135deg, #10223f 0%, #183258 100%);
    color: var(--white);
}
.page-hero-inner {
    max-width: var(--max);
    margin: 0 auto;
}
.page-hero h1 { max-width: 900px; }
.page-hero p {
    max-width: 760px;
    color: rgba(255,255,255,0.80);
    font-size: 1.12rem;
}
.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.36fr);
    gap: 26px;
    align-items: start;
}
.content,
.sidebar {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(24px, 4vw, 36px);
    box-shadow: 0 14px 36px rgba(16, 34, 63, 0.06);
}
.content h2 { margin-top: 0; }
.content h2:not(:first-child) { margin-top: 38px; }
.content ul {
    padding-left: 1.1em;
    color: var(--muted);
}
.content li { margin: 8px 0; }
.sidebar h2 {
    font-size: 1.2rem;
    margin: 0 0 12px;
}
.sidebar p { color: var(--muted); margin-top: 0; }
.sidebar .button {
    width: 100%;
    background: var(--brand-dark);
    color: var(--white);
    margin-top: 12px;
}

.info-grid,
.price-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.info-box,
.price-card { padding: 24px; }
.price {
    font-size: 1.85rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--brand-dark);
    margin: 10px 0;
}
.notice {
    background: #fff8e8;
    border-color: rgba(176, 121, 0, 0.20);
}

.site-footer {
    background: #0e182b;
    color: rgba(255,255,255,0.78);
    padding: 46px 22px 34px;
}
.footer-cta,
.footer-bottom {
    max-width: var(--max);
    margin: 0 auto;
}
.footer-cta {
    display: grid;
    grid-template-columns: 1.1fr 0.7fr;
    gap: 24px;
    align-items: center;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-cta h2 {
    margin: 0;
    color: var(--white);
    letter-spacing: -0.035em;
    font-size: clamp(1.45rem, 3vw, 2.2rem);
}
.footer-cta p { margin-bottom: 0; }
.footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-end;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-top: 28px;
    font-size: 0.9rem;
}
.legal { text-align: right; }

@media (max-width: 980px) {
    .header-inner { align-items: flex-start; flex-direction: column; }
    .main-nav { justify-content: flex-start; }
    .hero-grid,
    .band-inner,
    .content-grid,
    .footer-cta { grid-template-columns: 1fr; }
    .footer-actions { justify-content: flex-start; }
    .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .header-inner { padding: 13px 18px; }
    .brand { min-width: 0; }
    .brand-text span { font-size: 0.78rem; }
    .main-nav { overflow-x: auto; flex-wrap: nowrap; width: 100%; padding-bottom: 4px; }
    .main-nav a { white-space: nowrap; }
    .hero,
    .page-hero { padding-left: 18px; padding-right: 18px; }
    .section { padding-left: 18px; padding-right: 18px; }
    .cards,
    .info-grid,
    .price-grid { grid-template-columns: 1fr; }
    .hero-card,
    .card,
    .panel,
    .content,
    .sidebar,
    .info-box,
    .price-card { padding: 22px; }
    .hero-actions,
    .footer-actions { flex-direction: column; align-items: stretch; }
    .button { width: 100%; }
    .footer-bottom { flex-direction: column; }
    .legal { text-align: left; }
}