:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #f3f3f3;
  --line: #dfe3e8;
  --line-soft: #edf0f3;
  --text: #1f2d3a;
  --muted: #6f7d8c;
  --blue: #3f7df0;
  --blue-dark: #245ec9;
  --danger: #f06464;
  --shadow: 0 18px 45px rgba(31, 45, 58, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Arial, Helvetica, "Roboto", "PT Sans", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

code {
  padding: 2px 6px;
  border: 1px solid #d7e1ff;
  border-radius: 4px;
  color: #2054bd;
  background: #eef4ff;
  font-family: Consolas, "Cascadia Code", monospace;
  font-size: 0.92em;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-top: 3px solid #273927;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.topbar__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  max-width: 1180px;
  min-height: 44px;
  margin: 0 auto;
  padding: 0 22px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  object-fit: cover;
}

.nav-links,
.topbar__contacts {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav-links {
  justify-content: center;
  color: #101820;
  font-size: 14px;
  font-weight: 700;
}

.topbar__contacts {
  justify-content: flex-end;
  color: #304156;
  font-size: 14px;
  white-space: nowrap;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: #405064;
  background: var(--surface);
  font-size: 11px;
  font-weight: 800;
}

.hero,
.section,
.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding-right: 22px;
  padding-left: 22px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(390px, 0.78fr);
  gap: 42px;
  align-items: center;
  min-height: 560px;
  padding-top: 54px;
  padding-bottom: 64px;
}

.product-badge {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.product-badge img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}

.product-badge strong,
.product-badge span {
  display: block;
}

.product-badge strong {
  font-size: 18px;
}

.product-badge span {
  color: var(--muted);
  font-size: 13px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(38px, 5.6vw, 70px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.2;
}

.hero__lead,
.section__head p,
.section--split > div > p,
.feature-card p,
.example-grid p,
.faq p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.hero__lead {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.button--primary {
  border-color: var(--blue);
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 12px 25px rgba(63, 125, 240, 0.22);
}

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

.button--secondary,
.button--light {
  background: var(--surface);
}

.crm-card,
.builder-demo,
.feature-card,
.example-grid article,
.section--cta,
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.crm-card {
  padding: 14px;
}

.crm-card__header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13px;
}

.crm-card__header strong {
  color: var(--blue);
}

.crm-field,
.mini-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(92px, 0.72fr);
  gap: 14px;
  align-items: center;
  min-height: 32px;
  border-bottom: 1px solid var(--line-soft);
  color: #87919c;
  font-size: 14px;
}

.crm-field b,
.mini-field b {
  color: #5c6875;
  font-weight: 400;
  text-align: left;
}

.crm-field.is-required span {
  color: var(--danger);
}

.demo-group {
  margin-top: 8px;
}

.demo-group--nested {
  margin-left: 16px;
}

.demo-group__button,
.mini-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  width: 100%;
  min-height: 28px;
  border: 1px solid #d8dcdf;
  border-radius: 2px;
  color: #707b84;
  background: var(--surface-soft);
  font: 700 14px "PT Sans", Arial, sans-serif;
  letter-spacing: 0;
  text-align: left;
  text-transform: uppercase;
}

.demo-group__button {
  cursor: pointer;
  padding: 0 9px;
}

.demo-group__button.has-error {
  color: var(--danger);
}

.chevron {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-color: #a3abb2;
  border-style: solid;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  transition: transform 0.16s ease;
}

.demo-group__button[aria-expanded="false"] .chevron,
.mini-toggle:not(.is-open) .chevron {
  transform: rotate(-45deg);
}

.demo-group__button[aria-expanded="false"] + .demo-group__body {
  display: none;
}

.demo-group__body {
  padding-top: 4px;
}

.section {
  padding-top: 58px;
  padding-bottom: 58px;
}

.section__head {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-grid,
.example-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.example-grid article {
  padding: 20px;
}

.feature-card span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.section--split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(430px, 1fr);
  gap: 34px;
  align-items: center;
}

.rules {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.rules div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.rules span {
  color: var(--muted);
  font-size: 14px;
}

.builder-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.8fr);
  gap: 16px;
  padding: 16px;
}

.builder-demo__list {
  display: grid;
  gap: 8px;
}

.marker-row {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 58px;
  gap: 8px;
  align-items: center;
  min-height: 38px;
  padding: 0 8px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  color: #536170;
  background: #fbfcfd;
  cursor: pointer;
}

.marker-row span,
.marker-row em {
  color: #a0a9b2;
  font-style: normal;
}

.marker-row.is-active {
  border-color: #b8ccff;
  background: #eef4ff;
}

.builder-demo__preview {
  min-height: 210px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: #fbfcfd;
}

.scenario {
  display: none;
}

.scenario.is-active {
  display: block;
}

.mini-toggle {
  margin: 0 0 5px;
  padding: 0 9px;
}

.mini-toggle--nested {
  margin-left: 14px;
  width: calc(100% - 14px);
}

.mini-field {
  min-height: 30px;
  padding-left: 16px;
}

.mini-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.example-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.section--cta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 28px;
  color: #ffffff;
  background: #173d4b;
}

.section--cta .eyebrow,
.section--cta h2 {
  color: #ffffff;
}

.section--cta h2 {
  max-width: 760px;
  margin: 0;
}

.section--cta .button--light {
  color: var(--text);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 20px 24px;
  box-shadow: none;
}

.faq summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 800;
}

.faq p {
  max-width: 820px;
  margin: 12px 0 0;
}

.footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 42px;
  padding-top: 34px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer h3 {
  margin: 0 0 12px;
  font-size: 14px;
  text-transform: uppercase;
}

.footer p,
.footer a {
  display: block;
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.legal-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 22px 64px;
}

.legal-hero {
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.legal-hero__brand {
  width: fit-content;
  margin-bottom: 32px;
}

.legal-page h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1;
}

.legal-lead {
  max-width: 860px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.legal-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.legal-summary article,
.legal-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.legal-summary article {
  padding: 18px;
}

.legal-summary strong,
.legal-summary span {
  display: block;
}

.legal-summary strong {
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 15px;
  text-transform: uppercase;
}

.legal-summary span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.legal-content {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.legal-card {
  padding: clamp(20px, 4vw, 32px);
}

.legal-card h2 {
  margin-bottom: 12px;
  font-size: clamp(22px, 3vw, 30px);
}

.legal-card p {
  max-width: 920px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.68;
}

.legal-card a:not(.button) {
  color: var(--blue);
  font-weight: 700;
}

.legal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

@media (max-width: 1020px) {
  .topbar__inner {
    grid-template-columns: auto 1fr;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .section--split {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .topbar__inner {
    padding: 8px 14px;
  }

  .topbar__contacts a[href^="mailto"],
  .topbar__contacts a[href^="tel"] {
    display: none;
  }

  .hero,
  .section,
  .footer {
    padding-right: 14px;
    padding-left: 14px;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero__actions .button {
    width: 100%;
  }

  .crm-field,
  .mini-field {
    grid-template-columns: 1fr;
    gap: 2px;
    padding-top: 6px;
    padding-bottom: 6px;
  }

  .feature-grid,
  .example-grid,
  .builder-demo,
  .footer {
    grid-template-columns: 1fr;
  }

  .section--cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-page {
    padding-right: 14px;
    padding-left: 14px;
  }

  .legal-summary {
    grid-template-columns: 1fr;
  }
}