:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --ink: #172033;
    --muted: #64708a;
    --line: #e2e8f0;
    --accent: #1769e0;
    --accent-dark: #0f4fb3;
    --green: #0f8f68;
    --shadow: 0 20px 55px rgba(23, 32, 51, 0.1);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.container {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    background: var(--ink);
    color: #fff;
    font-weight: 800;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted);
    font-size: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-links a {
    padding: 10px 13px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--ink);
    background: #eef4ff;
}

.nav-links .nav-cta {
    color: #fff;
    background: var(--accent);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta.active {
    color: #fff;
    background: var(--accent-dark);
}

.hero {
    padding: 74px 0 46px;
    background:
        linear-gradient(115deg, rgba(23, 105, 224, 0.08), transparent 45%),
        linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 28px;
    align-items: center;
}

.hero-copy h1,
.page-hero h1 {
    margin: 0;
    max-width: 820px;
    font-size: clamp(38px, 6vw, 72px);
    line-height: 1.02;
    letter-spacing: 0;
}

.lead,
.page-hero p {
    max-width: 720px;
    color: var(--muted);
    font-size: 19px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-actions,
.doc-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button.primary {
    background: var(--accent);
    color: #fff;
}

.button.primary:hover {
    background: var(--accent-dark);
}

.button.secondary {
    background: #fff;
    color: var(--ink);
    border-color: var(--line);
}

.hero-card,
.info-card,
.plan-card,
.summary-panel,
.order-form,
.document {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 28px;
}

.card-kicker {
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.check-list,
.plan-card ul {
    padding: 0;
    margin: 18px 0 0;
    list-style: none;
}

.check-list li,
.plan-card li {
    position: relative;
    padding-left: 28px;
    margin: 12px 0;
    color: var(--muted);
}

.check-list li::before,
.plan-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
}

.section {
    padding: 52px 0;
}

.info-grid,
.docs-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
    gap: 22px;
}

.info-card {
    padding: 28px;
}

h2,
h3 {
    margin: 0 0 14px;
    line-height: 1.18;
}

.info-card p,
.document p,
.summary-panel p,
.form-note {
    color: var(--muted);
}

.success-message {
    padding: 14px 16px;
    color: #07543d;
    background: #e9f8f2;
    border: 1px solid #9bd8c3;
    border-radius: var(--radius);
    font-weight: 700;
}

.requisites {
    display: grid;
    gap: 12px;
    margin: 18px 0;
}

.requisites div {
    padding: 14px;
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.requisites dt {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.requisites dd {
    margin: 4px 0 0;
    font-weight: 800;
}

.notice {
    padding: 14px 16px;
    background: #fff9e8;
    border: 1px solid #f1d78c;
    border-radius: var(--radius);
}

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

.section-head h2 {
    font-size: clamp(28px, 4vw, 44px);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 430px;
    padding: 24px;
}

.plan-card.featured {
    border-color: rgba(23, 105, 224, 0.45);
    transform: translateY(-8px);
}

.badge {
    align-self: flex-start;
    margin-bottom: 14px;
    padding: 6px 10px;
    background: #eef4ff;
    color: var(--accent-dark);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 800;
}

.price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 12px 0 8px;
}

.price span {
    font-size: 44px;
    font-weight: 800;
    line-height: 1;
}

.price small {
    color: var(--muted);
    font-weight: 700;
}

.plan-button {
    margin-top: auto;
    background: var(--ink);
    color: #fff;
}

.plan-button:hover {
    background: var(--accent);
}

.docs-band {
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.docs-grid {
    align-items: center;
}

.page-hero {
    padding: 58px 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.page-hero.compact {
    padding: 42px 0;
}

.order-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: 22px;
    align-items: start;
}

.summary-panel,
.order-form {
    padding: 26px;
}

.summary-links {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.summary-links a {
    color: var(--accent-dark);
    font-weight: 800;
}

.order-form {
    display: grid;
    gap: 16px;
}

.order-form label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.order-form input,
.order-form select,
.order-form textarea {
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink);
    font: inherit;
    background: #fff;
}

.order-form textarea {
    resize: vertical;
}

.checkbox {
    display: flex !important;
    grid-template-columns: auto 1fr;
    align-items: flex-start;
    gap: 10px !important;
}

.checkbox input {
    width: 18px;
    min-height: 18px;
    margin-top: 3px;
}

.document {
    max-width: 920px;
    padding: 34px;
}

.document h2 {
    margin-top: 28px;
}

.document ul {
    color: var(--muted);
}

.site-footer {
    padding: 34px 0;
    background: var(--ink);
    color: #fff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 22px;
}

.footer-grid p,
.footer-grid a {
    color: rgba(255, 255, 255, 0.72);
}

.footer-grid span,
.footer-grid a {
    display: block;
}

.footer-grid span {
    margin-bottom: 8px;
    font-weight: 800;
}

.footer-grid a {
    margin-top: 6px;
    text-decoration: none;
}

.footer-requisites {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-requisites span {
    display: block;
    margin-bottom: 12px;
    color: #fff;
    font-weight: 800;
}

.footer-requisites dl {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr 1fr;
    gap: 12px;
    margin: 0;
}

.footer-requisites div {
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
}

.footer-requisites dt {
    color: rgba(255, 255, 255, 0.58);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.footer-requisites dd {
    margin: 4px 0 0;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 700;
}

@media (max-width: 960px) {
    .hero-grid,
    .info-grid,
    .docs-grid,
    .order-layout {
        grid-template-columns: 1fr;
    }

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

    .plan-card.featured {
        transform: none;
    }
}

@media (max-width: 680px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .nav-links {
        width: 100%;
    }

    .nav-links a {
        flex: 1 1 auto;
        text-align: center;
    }

    .hero {
        padding-top: 42px;
    }

    .hero-copy h1,
    .page-hero h1 {
        font-size: 38px;
    }

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

    .plan-card {
        min-height: auto;
    }

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