:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --surface-2: #eef2f7;
    --text: #111827;
    --muted: #5b6474;
    --line: rgba(17, 24, 39, .11);
    --dark: #08111f;
    --dark-2: #0e1b2d;
    --light: #f9fbff;
    --accent: #56f0bd;
    --accent-2: #7aa7ff;
    --danger: #ff6b6b;
    --warning: #f8c14a;
    --radius: 24px;
    --radius-sm: 14px;
    --shadow: 0 20px 55px rgba(15, 23, 42, .10);
    --shadow-dark: 0 30px 70px rgba(0, 0, 0, .35);
    --container: 1180px;
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}
.narrow { max-width: 880px; }
.section { padding: 92px 0; }
.section-dark {
    background:
        radial-gradient(circle at 20% 20%, rgba(86, 240, 189, .18), transparent 28%),
        radial-gradient(circle at 84% 10%, rgba(122, 167, 255, .22), transparent 30%),
        linear-gradient(135deg, var(--dark), var(--dark-2));
    color: var(--light);
}
.section-muted { background: var(--surface-2); }
.section-head {
    max-width: 780px;
    margin-bottom: 38px;
}
.section-head.light p,
.section-head.light h2 { color: var(--light); }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #12a77a;
    font-weight: 800;
    margin-bottom: 14px;
}
.section-dark .eyebrow { color: var(--accent); }
.eyebrow::before {
    content: "";
    width: 28px;
    height: 2px;
    background: currentColor;
    border-radius: 99px;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
    font-size: clamp(40px, 6vw, 72px);
    line-height: .96;
    letter-spacing: -.055em;
    margin-bottom: 24px;
}
h2 {
    font-size: clamp(28px, 3.4vw, 46px);
    line-height: 1.05;
    letter-spacing: -.04em;
    margin-bottom: 18px;
}
h3 {
    font-size: 21px;
    line-height: 1.2;
    letter-spacing: -.025em;
    margin-bottom: 10px;
}
p { color: var(--muted); }
.section-dark p { color: rgba(249, 251, 255, .78); }
.lead {
    font-size: clamp(18px, 2vw, 22px);
    max-width: 720px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(246, 247, 251, .86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
    min-height: 78px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--dark), #16395f);
    color: var(--accent);
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(8, 17, 31, .18);
}
.brand-text { display: grid; gap: 1px; }
.brand-text strong { font-size: 16px; letter-spacing: -.02em; }
.brand-text small { color: var(--muted); font-size: 12px; white-space: nowrap; }
.main-nav {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    background: rgba(255,255,255,.7);
    border: 1px solid var(--line);
    border-radius: 999px;
}
.main-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: #334155;
    font-weight: 700;
    font-size: 14px;
}
.main-nav a:hover,
.main-nav a.active {
    background: var(--dark);
    color: var(--light);
}
.header-phone {
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-weight: 800;
    background: var(--surface);
}
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 14px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 99px; }

.hero { padding: 94px 0 96px; overflow: hidden; }
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
    gap: 54px;
    align-items: center;
}
.hero-actions, .centered-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 34px 0 24px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 20px;
    border-radius: 999px;
    font-weight: 850;
    border: 1px solid transparent;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    background: var(--accent);
    color: #03120d;
    box-shadow: 0 18px 38px rgba(86, 240, 189, .22);
}
.btn-secondary {
    background: var(--dark);
    color: var(--light);
    box-shadow: 0 16px 32px rgba(8,17,31,.16);
}
.btn-ghost {
    border-color: rgba(255,255,255,.22);
    color: var(--light);
    background: rgba(255,255,255,.08);
}
.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.hero-points span {
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,.14);
    color: rgba(255,255,255,.82);
    border-radius: 999px;
    font-size: 13px;
    background: rgba(255,255,255,.06);
}
.hero-panel {
    position: relative;
}
.hero-panel::before {
    content: "";
    position: absolute;
    inset: -44px -34px auto auto;
    width: 160px;
    height: 160px;
    background: var(--accent);
    opacity: .16;
    border-radius: 38px;
    transform: rotate(16deg);
}
.audit-window {
    position: relative;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 32px;
    padding: 24px;
    box-shadow: var(--shadow-dark);
    backdrop-filter: blur(22px);
}
.audit-top { display: flex; gap: 7px; margin-bottom: 24px; }
.audit-top span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,.32); }
.audit-score {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    padding: 22px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(86,240,189,.18), rgba(122,167,255,.14));
    margin-bottom: 18px;
}
.audit-score small { color: rgba(255,255,255,.7); font-weight: 800; }
.audit-score strong { font-size: 52px; letter-spacing: -.06em; line-height: .9; }
.audit-list {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
}
.audit-list li {
    padding: 14px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px;
    color: rgba(249,251,255,.85);
}

.split-grid, .two-col, .faq-grid, .contact-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 48px;
    align-items: start;
}
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.card, .result-card, .contact-card, .form-card, .check-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .05);
}
.card-icon {
    width: 42px;
    height: 42px;
    display: block;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    margin-bottom: 18px;
}
.issue-card p { margin-bottom: 0; }
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.step {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    min-height: 260px;
}
.step span, .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--dark);
    color: var(--accent);
    font-weight: 900;
    margin-bottom: 20px;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.price-card {
    padding: 28px;
    border-radius: var(--radius);
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.16);
    box-shadow: var(--shadow-dark);
}
.price-card p { min-height: 100px; }
.price-card ul {
    list-style: none;
    padding: 0;
    margin: 22px 0 0;
    display: grid;
    gap: 10px;
}
.price-card li::before, .check-list li::before, .check-card li::before {
    content: "✓";
    color: var(--accent);
    font-weight: 900;
    margin-right: 8px;
}
.badge {
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(86,240,189,.14);
    color: var(--accent);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 18px;
}
.price {
    display: block;
    font-size: 28px;
    letter-spacing: -.04em;
    color: var(--accent);
}
.light-card {
    background: var(--surface);
    color: var(--text);
    border-color: var(--line);
    box-shadow: var(--shadow);
}
.light-card p { color: var(--muted); }
.light-card .badge { color: #0c805f; background: rgba(86,240,189,.18); }
.light-card .price { color: #0b8f68; }
.light-card .btn { margin-top: 24px; width: 100%; }
.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 42px;
    border-radius: 32px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.cta-box h2 { max-width: 760px; }
.cta-box p { max-width: 740px; margin-bottom: 0; }
.dark-cta { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); box-shadow: var(--shadow-dark); }
.accordion {
    display: grid;
    gap: 12px;
}
details {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 22px;
}
summary {
    cursor: pointer;
    font-weight: 900;
    letter-spacing: -.02em;
}
details p { margin: 14px 0 0; }

.page-hero { padding: 78px 0; }
.page-hero h1 { font-size: clamp(36px, 5vw, 62px); }
.service-blocks { display: grid; gap: 18px; }
.service-row {
    display: grid;
    grid-template-columns: .7fr 1fr;
    gap: 30px;
    align-items: start;
    padding: 30px;
    border-radius: var(--radius);
    background: var(--surface);
    border: 1px solid var(--line);
}
.result-card ul, .check-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 11px;
}
.audit-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
}
.audit-summary {
    position: sticky;
    top: 100px;
    background: var(--dark);
    color: var(--light);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}
.big-score {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 18px 0 20px;
    color: var(--accent);
    line-height: 1;
    white-space: nowrap;
}
.big-score span:first-child {
    font-size: clamp(54px, 7vw, 82px);
    font-weight: 950;
    letter-spacing: -.045em;
    color: var(--light);
}
.big-score span:last-child {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 900;
    letter-spacing: -.03em;
    color: rgba(249,251,255,.48);
}
.finding-list { display: grid; gap: 16px; }
.finding-card {
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(15, 23, 42, .05);
}
.severity {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(248,193,74,.17);
    color: #9a6500;
    font-size: 12px;
    font-weight: 900;
    margin-bottom: 14px;
}
.finding-card.критично .severity { background: rgba(255,107,107,.15); color: #b52222; }
.finding-card.важно .severity { background: rgba(248,193,74,.18); color: #996500; }
.finding-card.средне .severity { background: rgba(122,167,255,.16); color: #2557ba; }
.finding-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 18px;
}
.checklist-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.check-card:nth-child(5) { grid-column: 1 / -1; }
.contact-grid { grid-template-columns: .85fr 1.15fr; }
.contact-list {
    display: grid;
    gap: 10px;
    margin: 24px 0;
}
.contact-list a {
    padding: 15px 16px;
    background: var(--surface-2);
    border-radius: 16px;
    font-weight: 850;
}
.mini-note, .form-note {
    font-size: 13px;
    color: var(--muted);
}
code {
    padding: 2px 6px;
    background: rgba(17,24,39,.08);
    border-radius: 7px;
}
.lead-form { display: grid; gap: 16px; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.lead-form label { display: grid; gap: 8px; }
.lead-form label span { font-weight: 850; font-size: 14px; }
input, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    border-radius: 16px;
    padding: 15px 16px;
    outline: none;
    transition: border .18s ease, box-shadow .18s ease;
}
textarea { resize: vertical; min-height: 120px; }
input:focus, textarea:focus {
    border-color: rgba(86,240,189,.8);
    box-shadow: 0 0 0 4px rgba(86,240,189,.16);
}
.checkbox-line {
    display: grid !important;
    grid-template-columns: 18px 1fr;
    align-items: start;
    gap: 10px !important;
}
.checkbox-line input { width: 18px; height: 18px; margin-top: 2px; }
.checkbox-line a { text-decoration: underline; }
.hidden-field { display: none; }
.text-page {
    max-width: 880px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 38px;
}
.text-page h2 { font-size: 26px; margin-top: 28px; }
.text-page h2:first-child { margin-top: 0; }
.warning-box {
    margin-top: 26px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(248,193,74,.16);
    border: 1px solid rgba(248,193,74,.32);
}
.thanks-hero { min-height: 60vh; display: grid; align-items: center; text-align: center; }
.centered-actions { justify-content: center; }

.site-footer {
    padding: 54px 0 24px;
    background: #050b14;
    color: var(--light);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .7fr .8fr .8fr;
    gap: 34px;
}
.footer-brand .brand-mark { background: rgba(255,255,255,.1); }
.site-footer p, .site-footer small { color: rgba(249,251,255,.62); }
.site-footer h3 { font-size: 15px; color: var(--accent); margin-bottom: 12px; }
.site-footer a { display: block; color: rgba(249,251,255,.75); margin-bottom: 8px; }
.site-footer a:hover { color: var(--accent); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 26px;
    margin-top: 30px;
    border-top: 1px solid rgba(255,255,255,.1);
    color: rgba(249,251,255,.54);
    font-size: 14px;
}


/* Dynamic audit cases */
.compact-section { padding: 72px 0; }
.wide-head { max-width: 900px; }
.segment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.segment-card {
    padding: 22px;
    border-radius: 22px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: 0 10px 30px rgba(15, 23, 42, .04);
}
.segment-card h3 { margin-bottom: 8px; font-size: 19px; }
.segment-card p { margin-bottom: 12px; color: var(--text); }
.segment-card small { display: block; color: var(--muted); line-height: 1.55; }
.audit-case-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 26px;
    align-items: end;
    margin-bottom: 28px;
}
.audit-case-head h2 { margin-bottom: 14px; }
.audit-case-head { scroll-margin-top: 96px; }
.audit-case-head p { max-width: 850px; }
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}
.case-tags span,
.risk-line {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 8px 11px;
    border-radius: 999px;
    background: rgba(86,240,189,.14);
    color: #0b7a59;
    font-size: 13px;
    font-weight: 900;
}
.audit-case-actions,
.audit-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.audit-main-column { display: grid; gap: 18px; }
.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.metric-card {
    padding: 18px;
    border-radius: 20px;
    background: var(--surface);
    border: 1px solid var(--line);
}
.metric-card small {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 8px;
}
.metric-card strong { display: block; font-size: 18px; line-height: 1.25; }
.audit-assumptions { margin-top: 22px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); }
.audit-assumptions h3 { font-size: 16px; color: var(--accent); margin-bottom: 10px; }
.audit-assumptions ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; color: rgba(249,251,255,.72); }
.case-plan { margin-top: 2px; }
.plan-list { margin: 18px 0 0; padding-left: 22px; display: grid; gap: 10px; }
.plan-list li { color: var(--muted); padding-left: 4px; }
.audit-controls { justify-content: flex-start; margin-top: 2px; }
.audit-dynamic.is-changing { opacity: .35; transform: translateY(6px); }
.audit-dynamic { transition: opacity .18s ease, transform .18s ease; }

@media (max-width: 1020px) {
    .segment-grid { grid-template-columns: repeat(2, 1fr); }
    .audit-case-head { grid-template-columns: 1fr; align-items: start; }
    .audit-case-actions { justify-content: flex-start; }
    .header-inner { grid-template-columns: auto auto; justify-content: space-between; }
    .main-nav, .header-phone { display: none; }
    .menu-toggle { display: inline-flex; }
    .main-nav.open {
        position: absolute;
        display: grid;
        left: 20px;
        right: 20px;
        top: 88px;
        justify-self: stretch;
        border-radius: 22px;
        padding: 14px;
        background: rgba(255,255,255,.96);
        box-shadow: var(--shadow);
    }
    .main-nav.open a { border-radius: 14px; }
    .hero-grid, .split-grid, .two-col, .faq-grid, .contact-grid, .audit-layout { grid-template-columns: 1fr; }
    .hero { padding-top: 72px; }
    .hero-panel::before { display: none; }
    .cards-grid, .steps, .pricing-grid, .checklist-grid { grid-template-columns: repeat(2, 1fr); }
    .audit-summary { position: static; }
    .big-score span:first-child { font-size: clamp(52px, 12vw, 74px); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
    .segment-grid, .metric-grid { grid-template-columns: 1fr; }
    .audit-case-actions, .audit-controls { flex-direction: column; }
    .container { width: min(100% - 28px, var(--container)); }
    .section { padding: 62px 0; }
    .page-hero { padding: 60px 0; }
    .header-inner { min-height: 68px; }
    .brand-mark { width: 40px; height: 40px; border-radius: 12px; }
    .brand-text small { display: none; }
    h1 { font-size: clamp(36px, 13vw, 50px); }
    h2 { font-size: clamp(26px, 8vw, 34px); }
    .lead { font-size: 17px; }
    .hero-actions, .centered-actions { flex-direction: column; }
    .btn { width: 100%; }
    .audit-summary { padding: 24px; border-radius: 28px; }
    .big-score { gap: 6px; margin: 14px 0 16px; }
    .big-score span:first-child { font-size: clamp(52px, 18vw, 68px); }
    .big-score span:last-child { font-size: 24px; }
    .audit-score { align-items: start; flex-direction: column; }
    .audit-score strong { font-size: 44px; }
    .cards-grid, .steps, .pricing-grid, .checklist-grid, .finding-columns, .form-grid, .footer-grid { grid-template-columns: 1fr; }
    .check-card:nth-child(5) { grid-column: auto; }
    .cta-box { flex-direction: column; align-items: stretch; padding: 28px; }
    .service-row { grid-template-columns: 1fr; padding: 24px; }
    .card, .result-card, .contact-card, .form-card, .check-card, .finding-card { padding: 22px; border-radius: 20px; }
    .text-page { padding: 24px; }
    .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}


/* v4: stable scroll target for the audit-case switcher */
.audit-case-head {
    scroll-margin-top: 120px;
}

.audit-case-head:focus {
    outline: none;
}


/* v5: one human-readable tag in audit cases */
.case-tags span {
    white-space: normal;
    line-height: 1.35;
}


/* v6: development and audience blocks */
.capability-grid,
.useful-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.capability-card,
.useful-card {
    position: relative;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .05);
}

.capability-card::before,
.useful-card::before {
    content: "";
    display: block;
    width: 44px;
    height: 4px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    margin-bottom: 18px;
}

.capability-card p,
.useful-card p {
    margin-bottom: 0;
}

.page-bitrix-development .page-hero .hero-actions {
    margin-bottom: 0;
}

@media (max-width: 980px) {
    .capability-grid,
    .useful-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .capability-grid,
    .useful-grid {
        grid-template-columns: 1fr;
    }
}