:root {
  --landing-bg: #f8fbff;
  --landing-surface: #ffffff;
  --landing-surface-soft: #f3f7ff;
  --landing-text: #111827;
  --landing-muted: #5f6b7a;
  --landing-line: rgba(148, 163, 184, 0.28);
  --landing-blue: #2563eb;
  --landing-blue-strong: #1d4ed8;
  --landing-purple: #b516b8;
  --landing-purple-strong: #9f139d;
  --landing-green: #16a34a;
  --landing-radius: 5px;
  --landing-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --landing-shadow-soft: 0 12px 34px rgba(37, 99, 235, 0.10);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--landing-text);
  background:
    radial-gradient(circle at 78% 14%, rgba(37, 99, 235, 0.12), transparent 34%),
    radial-gradient(circle at 92% 62%, rgba(181, 22, 184, 0.10), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, var(--landing-bg) 56%, #ffffff 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

.landing-closed-beta-topbar {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 16px;
  color: #ef4444;
  background: #ffffff;
  border-bottom: 1px solid rgba(239, 68, 68, 0.12);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.landing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 22px 48px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 180px;
}

.brand__logo {
  display: block;
  width: 230px;
  max-width: 100%;
  height: auto;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: #475569;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.landing-nav a:not(.nav-button) {
  transition: color 0.18s ease;
}

.landing-nav a:not(.nav-button):hover {
  color: var(--landing-blue);
}

.demo-login-form {
  display: inline-flex;
  margin: 0;
  padding: 0;
}

.button,
.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--landing-radius);
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
}

.button:hover,
.nav-button:hover {
  transform: translateY(-1px);
}

.button--primary,
.nav-button {
  color: #ffffff;
  background: var(--landing-blue);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.20);
}

.button--primary:hover,
.nav-button:hover {
  background: var(--landing-blue-strong);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.26);
}

.button--ghost,
.nav-button--ghost {
  color: #111827;
  background: #ffffff;
  border-color: var(--landing-line);
  box-shadow: none;
}

.nav-button--ghost {
  color: #ffffff;
  background: var(--landing-purple);
  border-color: var(--landing-purple);
  box-shadow: 0 14px 30px rgba(181, 22, 184, 0.20);
}

.button--ghost:hover {
  color: var(--landing-blue);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: var(--landing-shadow-soft);
}

.nav-button--ghost:hover {
  color: #ffffff;
  background: var(--landing-purple-strong);
  border-color: var(--landing-purple-strong);
}

.button--full {
  width: 100%;
}

main {
  width: 100%;
}

.hero,
.section {
  width: 100%;
  max-width: none;
  padding: 76px 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: 62px;
  min-height: 680px;
}

.hero__content {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  color: var(--landing-blue);
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--landing-radius);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 24px;
  font-size: clamp(46px, 5vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 3.3vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.hero__lead,
.section__heading p,
.cta p,
.request-card__content p {
  color: var(--landing-muted);
  font-size: 19px;
  line-height: 1.75;
}

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

.hero__actions--center {
  justify-content: center;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  color: #475569;
  background: #ffffff;
  border: 1px solid var(--landing-line);
  border-radius: var(--landing-radius);
  font-size: 13px;
  font-weight: 800;
}

.hero-panel,
.card,
.price-card,
.request-card,
.cta {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--landing-radius);
  box-shadow: var(--landing-shadow);
}

.hero-panel {
  padding: 28px;
}

.panel-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.panel-title {
  display: block;
  margin-bottom: 4px;
  color: #334155;
  font-size: 18px;
  font-weight: 900;
}

.panel-top small,
.operation-card small {
  color: var(--landing-muted);
}

.panel-top strong {
  color: var(--landing-green);
  font-size: 14px;
}

.matrix {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--landing-line);
  border-radius: var(--landing-radius);
}

.matrix > div {
  min-height: 52px;
  padding: 16px 18px;
  border-right: 1px solid var(--landing-line);
  border-bottom: 1px solid var(--landing-line);
  color: #0f172a;
  font-weight: 800;
}

.matrix > div:nth-child(4n) {
  border-right: 0;
}

.matrix > div:nth-last-child(-n + 4) {
  border-bottom: 0;
}

.matrix__head {
  color: #475569;
  background: #f8fafc;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.matrix__base {
  background: rgba(22, 163, 74, 0.10);
}

.matrix__ozon {
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.10);
}

.matrix__wb {
  color: #a21caf;
  background: rgba(181, 22, 184, 0.10);
}

.operation-card {
  margin-top: 18px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(22, 163, 74, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: var(--landing-radius);
}

.operation-card__label {
  display: block;
  margin-bottom: 7px;
  color: var(--landing-muted);
  font-size: 13px;
}

.operation-card strong {
  display: block;
  margin-bottom: 5px;
}

.section__heading {
  max-width: 850px;
  margin-bottom: 34px;
}

.section__heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.cards,
.pricing,
.workflow {
  display: grid;
  gap: 18px;
}

.cards--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards--three,
.pricing,
.workflow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.price-card,
.workflow-step {
  padding: 28px;
}

.card p,
.price-card li,
.workflow-step p {
  color: var(--landing-muted);
  font-size: 16px;
  line-height: 1.7;
}

.card__icon,
.workflow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  margin-bottom: 18px;
  color: var(--landing-blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: var(--landing-radius);
  font-size: 15px;
  font-weight: 900;
}

.card--soft-base {
  background: linear-gradient(135deg, #ffffff, rgba(22, 163, 74, 0.08));
}

.card--soft-ozon {
  background: linear-gradient(135deg, #ffffff, rgba(37, 99, 235, 0.09));
}

.card--soft-wb {
  background: linear-gradient(135deg, #ffffff, rgba(181, 22, 184, 0.08));
}

.workflow-section,
.audience-section {
  padding-top: 54px;
}

.workflow-step {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--landing-line);
  border-radius: var(--landing-radius);
}

.pricing {
  align-items: stretch;
}

.price-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.price-card--featured {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.09), rgba(255, 255, 255, 0.96));
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: 0 22px 58px rgba(37, 99, 235, 0.15);
}

.price {
  color: #0f172a;
  font-size: 26px;
  font-weight: 900;
}

.price-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 22px;
}

.price-card li::before {
  position: absolute;
  left: 0;
  color: var(--landing-green);
  font-weight: 900;
  content: "✓";
}

.request-section {
  padding-top: 54px;
}

.request-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 34px;
  align-items: center;
  padding: 34px;
}

.request-form {
  display: grid;
  gap: 12px;
}

.request-form input,
.request-form textarea {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.30);
  border-radius: var(--landing-radius);
  background: #ffffff;
  color: var(--landing-text);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.request-form input {
  height: 48px;
  padding: 0 14px;
}

.request-form textarea {
  min-height: 118px;
  padding: 14px;
  resize: vertical;
}

.request-form input:focus,
.request-form textarea:focus {
  border-color: rgba(37, 99, 235, 0.62);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

.cta {
  width: calc(100% - 96px);
  margin: 28px auto 72px;
  padding: 58px 28px;
  text-align: center;
}

.cta h2,
.cta p {
  max-width: 820px;
  margin-right: auto;
  margin-left: auto;
}

.landing-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  width: 100%;
  padding: 28px 48px;
  color: #64748b;
  border-top: 1px solid var(--landing-line);
}

.landing-footer span {
  margin-right: auto;
}

.landing-footer a {
  transition: color 0.18s ease;
}

.landing-footer a:hover {
  color: var(--landing-blue);
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__content {
    max-width: none;
  }

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

  .request-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .landing-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 20px;
  }

  .landing-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }

  .hero,
  .section {
    padding: 48px 20px;
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 34px;
  }

  .cards--four,
  .cards--three,
  .pricing,
  .workflow {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    padding: 18px;
  }

  .matrix {
    grid-template-columns: 1fr repeat(3, 0.8fr);
    font-size: 13px;
  }

  .matrix > div {
    min-height: 44px;
    padding: 12px 10px;
  }

  .cta {
    width: calc(100% - 40px);
  }

  .landing-footer {
    padding: 24px 20px;
  }

  .landing-footer span {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .landing-closed-beta-topbar {
    font-size: 14px;
    letter-spacing: 0.08em;
  }

  .brand__logo {
    width: 190px;
  }

  .button,
  .nav-button,
  .demo-login-form {
    width: 100%;
  }

  .landing-nav a:not(.nav-button) {
    width: calc(50% - 5px);
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__lead,
  .section__heading p,
  .cta p,
  .request-card__content p {
    font-size: 17px;
  }

  .request-card {
    padding: 20px;
  }
}