:root {
    --primary: #1f66ff;
    --primary-dark: #0f46d9;
    --primary-soft: #eaf1ff;
    --dark: #101d3d;
    --muted: #6d7895;
    --line: #d9e1f2;
    --bg: #f6f9ff;
    --white: #fff;
    --success: #19a66a;
    --danger: #e5484d;
    --shadow: 0 22px 60px rgba(21, 48, 97, .14);
    --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    color: var(--dark);
    background:
        radial-gradient(circle at 15% 20%, rgba(31, 102, 255, .13), transparent 28%),
        radial-gradient(circle at 85% 30%, rgba(31, 102, 255, .08), transparent 24%),
        linear-gradient(180deg, #fff 0%, var(--bg) 64%, #fff 100%);
}

a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(217, 225, 242, .72);
}
.header-inner {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -.03em;
}
.logo-mark {
    width: 34px;
    height: 34px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3px;
    transform: rotate(45deg);
}
.logo-mark span {
    border-radius: 7px;
    background: linear-gradient(135deg, #63a0ff, #1457f5);
}
.nav { display: flex; align-items: center; gap: 36px; font-size: 15px; font-weight: 600; }
.nav a:hover { color: var(--primary); }
.login-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    border: 1px solid var(--primary);
    border-radius: 10px;
    color: var(--primary);
    font-weight: 700;
    background: #fff;
    transition: .2s ease;
}
.login-btn:hover { background: var(--primary-soft); transform: translateY(-1px); }
.hero { padding: 54px 0 72px; }
.hero-grid { display: grid; grid-template-columns: .95fr 1.25fr; gap: 56px; align-items: start; }
.hero-copy { padding-top: 38px; }
h1 { margin: 0 0 24px; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; letter-spacing: -.055em; }
.accent { color: var(--primary); }
.lead { max-width: 470px; margin: 0 0 58px; font-size: 20px; line-height: 1.65; color: #253154; }
.visual-card {
    position: relative;
    width: min(360px, 100%);
    margin: 0 0 60px 8px;
    padding: 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, .68);
    border: 1px solid rgba(217, 225, 242, .7);
    box-shadow: 0 22px 55px rgba(31, 102, 255, .12);
    transform: rotate(-7deg);
}
.code-screen {
    height: 172px;
    border-radius: 18px;
    padding: 20px;
    background: linear-gradient(145deg, #12336f, #071634);
    overflow: hidden;
}
.code-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.code-dot { width: 8px; height: 8px; border-radius: 50%; background: #68a0ff; }
.code-line { height: 8px; border-radius: 999px; background: rgba(255, 255, 255, .24); }
.code-line.short { width: 52%; }
.code-line.medium { width: 70%; }
.code-line.long { width: 88%; }
.floating-icon {
    position: absolute;
    right: -28px;
    top: -24px;
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: #fff;
    font-size: 30px;
    font-weight: 800;
    background: linear-gradient(135deg, #4386ff, #155cff);
    box-shadow: 0 14px 32px rgba(31, 102, 255, .32);
    transform: rotate(7deg);
}
.benefits { display: grid; gap: 28px; }
.benefit { display: grid; grid-template-columns: 64px 1fr; gap: 22px; align-items: start; }
.benefit-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #eaf1ff;
    color: var(--primary);
    font-size: 28px;
}
.benefit h3 { margin: 4px 0 8px; font-size: 18px; }
.benefit p { margin: 0; color: var(--muted); line-height: 1.55; }
.form-card {
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(217, 225, 242, .86);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(24px, 3vw, 36px);
}
.form-title { display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.form-title-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #377fff, #1457f5);
    color: #fff;
    font-size: 28px;
    flex: 0 0 auto;
}
.form-title h2 { margin: 0 0 7px; font-size: 28px; letter-spacing: -.03em; }
.form-title p { margin: 0; color: var(--muted); line-height: 1.45; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field.full { grid-column: 1 / -1; }
label { font-size: 15px; font-weight: 750; color: #172344; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: var(--dark);
    font: inherit;
    font-size: 15px;
    padding: 15px 16px;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease;
}
textarea { min-height: 116px; resize: vertical; }
input:focus, select:focus, textarea:focus {
    border-color: rgba(31, 102, 255, .72);
    box-shadow: 0 0 0 4px rgba(31, 102, 255, .11);
}
.is-invalid { border-color: var(--danger); }
.field-error { color: #9b2025; font-size: 13px; }
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.service-option { position: relative; }
.service-option input { position: absolute; opacity: 0; pointer-events: none; }
.service-option span {
    min-height: 58px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 13px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: #fff;
    color: #172344;
    font-size: 14px;
    font-weight: 650;
    cursor: pointer;
    transition: .18s ease;
}
.service-option input:checked + span {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(31, 102, 255, .08);
}
.consent-box {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #f9fbff;
}
.consent-box input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary); flex: 0 0 auto; }
.consent-box label { font-weight: 500; line-height: 1.48; color: #263452; }
.consent-box a { color: var(--primary); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 6px;
}
.action-btn {
    min-height: 74px;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    font: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    transition: .2s ease;
}
.action-btn strong { display: block; font-size: 17px; line-height: 1.2; }
.action-btn small { display: block; margin-top: 4px; font-size: 13px; opacity: .82; }
.download-btn { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.mail-btn {
    color: #fff;
    background: linear-gradient(135deg, #2671ff, #1155ee);
    box-shadow: 0 14px 28px rgba(31, 102, 255, .23);
}
.action-btn:hover { transform: translateY(-2px); }
.action-btn:disabled { cursor: not-allowed; opacity: .52; transform: none; box-shadow: none; }
.secure-note { display: flex; align-items: center; justify-content: center; gap: 9px; margin-top: 28px; color: var(--muted); font-weight: 650; font-size: 15px; }
.message {
    grid-column: 1 / -1;
    padding: 14px 16px;
    border-radius: 12px;
    line-height: 1.45;
    font-weight: 650;
}
.message.error { color: #8f1d22; background: #fff1f1; border: 1px solid #ffd0d2; }
.message.success { color: #0f6b45; background: #effcf6; border: 1px solid #bcebd6; }
.footer {
    background: radial-gradient(circle at 20% 0%, rgba(31, 102, 255, .24), transparent 34%), #091633;
    color: #fff;
    padding: 54px 0 28px;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr 1fr; gap: 44px; }
.footer p, .footer a, .footer li { color: rgba(255, 255, 255, .74); line-height: 1.65; }
.footer h4 { margin: 0 0 18px; font-size: 17px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.socials { display: flex; gap: 16px; margin-top: 20px; font-size: 22px; }
.copyright { margin-top: 46px; text-align: center; color: rgba(255, 255, 255, .58); font-size: 14px; }
.legal { min-height: 70vh; padding: 64px 0; line-height: 1.7; }
.legal-card { max-width: 850px; padding: 36px; background: #fff; border-radius: 20px; box-shadow: var(--shadow); }
.catalog-main { min-height: 75vh; }
.catalog-hero { padding: 88px 0 56px; text-align: center; }
.catalog-kicker {
    display: inline-flex;
    margin-bottom: 22px;
    padding: 9px 15px;
    border-radius: 999px;
    color: var(--primary);
    background: var(--primary-soft);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.catalog-hero h1 { margin-bottom: 20px; }
.catalog-hero p {
    width: min(720px, 100%);
    margin: 0 auto;
    color: #364361;
    font-size: 20px;
    line-height: 1.65;
}
.forms-section { padding-bottom: 96px; }
.forms-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.form-catalog-card {
    position: relative;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 34px;
    overflow: hidden;
    border: 1px solid rgba(217, 225, 242, .9);
    border-radius: 24px;
    background: rgba(255, 255, 255, .9);
    box-shadow: 0 18px 45px rgba(21, 48, 97, .1);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.form-catalog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(31, 102, 255, .5);
    box-shadow: 0 28px 60px rgba(31, 102, 255, .16);
}
.form-card-number {
    position: absolute;
    top: 25px;
    right: 30px;
    color: #d9e3f8;
    font-size: 18px;
    font-weight: 850;
}
.form-product-icon {
    width: 76px;
    height: 76px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(135deg, #4386ff, #1457f5);
    box-shadow: 0 14px 28px rgba(31, 102, 255, .25);
    font-size: 22px;
    font-weight: 850;
}
.form-catalog-card:nth-child(2) .form-product-icon {
    background: linear-gradient(135deg, #244b8d, #102b60);
    box-shadow: 0 14px 28px rgba(16, 43, 96, .22);
}
.form-card-content { display: grid; gap: 12px; }
.form-card-content strong { font-size: 27px; letter-spacing: -.03em; }
.form-card-content span { color: var(--muted); line-height: 1.6; }
.form-card-arrow {
    position: absolute;
    right: 30px;
    bottom: 25px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--primary);
    background: var(--primary-soft);
    font-size: 24px;
    transition: .22s ease;
}
.form-catalog-card:hover .form-card-arrow { color: #fff; background: var(--primary); transform: translateX(3px); }
.empty-catalog { grid-column: 1 / -1; padding: 48px; text-align: center; color: var(--muted); background: #fff; border-radius: 20px; }
.catalog-how { padding: 80px 0 90px; background: #fff; border-top: 1px solid var(--line); }
.catalog-how h2 { margin: 0 0 38px; text-align: center; font-size: 36px; letter-spacing: -.04em; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps-grid article { padding: 28px; border-radius: 18px; background: var(--bg); }
.steps-grid article > span {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    border-radius: 50%;
    color: #fff;
    background: var(--primary);
    font-weight: 800;
}
.steps-grid strong { display: block; margin-bottom: 9px; font-size: 18px; }
.steps-grid p { margin: 0; color: var(--muted); line-height: 1.55; }

@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy { padding-top: 10px; }
    .lead { margin-bottom: 36px; }
    .visual-card { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .forms-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { height: auto; padding: 16px 0; align-items: flex-start; }
    .nav { display: none; }
    .login-btn { padding: 11px 14px; font-size: 14px; }
    .hero { padding-top: 32px; }
    .form-grid, .actions { grid-template-columns: 1fr; }
    .services { grid-template-columns: 1fr; }
    .form-title { align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr; }
    .catalog-hero { padding: 56px 0 40px; text-align: left; }
    .catalog-hero p { font-size: 17px; }
    .forms-section { padding-bottom: 64px; }
    .form-catalog-card { min-height: 260px; padding: 26px; }
    .form-card-number { right: 24px; }
    .steps-grid { grid-template-columns: 1fr; }
}