:root {
  --ink: #07183b;
  --text: #10224c;
  --muted: #607092;
  --blue: #0766ff;
  --blue-2: #0c8df4;
  --blue-soft: #eaf3ff;
  --line: #e5edf7;
  --panel: #ffffff;
  --soft: #f6faff;
  --navy: #071731;
  --shadow: 0 22px 60px rgba(25, 74, 137, 0.12);
  --shadow-strong: 0 28px 80px rgba(18, 75, 150, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #f8fbff;
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.5;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 20px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: min(1460px, calc(100% - 40px));
  margin: 20px auto 0;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(226, 236, 249, 0.9);
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(35, 78, 128, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 178px;
}

.brand img {
  display: block;
  width: 178px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.2vw, 34px);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  opacity: 0.86;
}

.nav a:hover {
  color: var(--blue);
  opacity: 1;
}

.header-action,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-action,
.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #0052df);
  box-shadow: 0 14px 30px rgba(7, 102, 255, 0.26);
}

.btn.ghost {
  color: var(--ink);
  background: #fff;
  border-color: #cfdcec;
}

.header-action:hover,
.btn:hover {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(38px, 5vw, 80px);
  align-items: center;
  min-height: calc(100vh - 110px);
  padding: clamp(72px, 7vw, 112px) clamp(22px, 5vw, 84px) 76px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -120px -20px auto;
  height: 620px;
  background:
    radial-gradient(circle at 72% 42%, rgba(7, 102, 255, 0.18), transparent 34%),
    radial-gradient(circle at 28% 30%, rgba(38, 166, 255, 0.13), transparent 30%);
  pointer-events: none;
}

.hero-copy,
.product-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 12px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin: 28px 0 22px;
  color: var(--ink);
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.25;
}

.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions,
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-proof {
  gap: 24px;
  margin-top: 42px;
}

.hero-proof span {
  position: relative;
  color: #375078;
  font-size: 14px;
  font-weight: 700;
}

.hero-proof span::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(7, 102, 255, 0.1);
}

.product-visual {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  min-height: 430px;
  padding: 0;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(214, 228, 246, 0.95);
  border-radius: 18px;
  box-shadow: var(--shadow-strong);
}

.product-visual::before,
.product-visual::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 140px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(7, 102, 255, 0.55), transparent);
}

.product-visual::before {
  top: 95px;
  right: -110px;
}

.product-visual::after {
  bottom: 108px;
  left: -92px;
}

.visual-sidebar {
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 22px;
  padding: 24px 0;
  background: #f4f8ff;
  border-right: 1px solid var(--line);
  border-radius: 18px 0 0 18px;
}

.visual-sidebar span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #9cadc8;
  background: #fff;
  border: 1px solid #deebfa;
  border-radius: 8px;
}

.visual-sidebar span:not(.mini-logo)::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: currentColor;
}

.visual-sidebar .mini-logo {
  width: 34px;
  height: 34px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
}

.visual-main {
  padding: 28px;
}

.visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.visual-header small,
.metric-card small {
  display: block;
  color: #7a8dab;
  font-size: 12px;
  font-weight: 700;
}

.visual-header strong {
  display: block;
  margin-top: 2px;
  color: var(--ink);
  font-size: 19px;
}

.visual-header button {
  min-height: 38px;
  padding: 0 14px;
  color: #fff;
  background: var(--blue);
  border: 0;
  border-radius: 7px;
  font-weight: 800;
}

.flow-list {
  display: grid;
  gap: 14px;
}

.flow-row {
  display: grid;
  grid-template-columns: 42px 1fr auto 34px;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 16px;
  background: #fff;
  border: 1px solid #e8f0fa;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(36, 86, 145, 0.06);
}

.flow-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 900;
}

.flow-icon.green {
  background: #1ea56f;
}

.flow-icon.purple {
  background: #6d45b8;
}

.flow-icon.blue {
  background: var(--blue);
}

.flow-row strong {
  color: var(--ink);
}

.flow-row em {
  color: #11a36d;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.flow-row i {
  position: relative;
  width: 34px;
  height: 20px;
  background: var(--blue);
  border-radius: 999px;
}

.flow-row i::after {
  content: "";
  position: absolute;
  top: 4px;
  right: 4px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
}

.visual-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.visual-metrics div {
  padding: 16px;
  background: #f6faff;
  border: 1px solid #e1ecfa;
  border-radius: 12px;
}

.visual-metrics b,
.visual-metrics span {
  display: block;
}

.visual-metrics b {
  color: var(--ink);
  font-size: 22px;
}

.visual-metrics span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.floating-app {
  position: absolute;
  display: grid;
  min-width: 72px;
  min-height: 46px;
  place-items: center;
  color: var(--blue);
  background: #fff;
  border: 1px solid #e4eefb;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(35, 88, 155, 0.12);
  font-size: 12px;
  font-weight: 900;
}

.app-one {
  top: 76px;
  right: -32px;
}

.app-two {
  right: -50px;
  bottom: 116px;
}

.app-three {
  left: -44px;
  bottom: 72px;
}

.section {
  padding: clamp(66px, 9vw, 112px) clamp(22px, 5vw, 84px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.section-heading p,
.split p,
.demo-copy p {
  color: var(--muted);
  font-size: 18px;
}

.intro,
.accounting,
.operations {
  background: #fff;
}

.feature-grid,
.module-grid {
  display: grid;
  gap: 18px;
}

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

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

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

.feature-grid article,
.module-grid div,
.stack-list div {
  min-width: 0;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 34px rgba(33, 82, 143, 0.05);
}

.feature-grid article p,
.module-grid span,
.stack-list span {
  color: var(--muted);
}

.icon {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--blue);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  background: var(--soft);
}

.split.reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  background: #fff;
}

.stack-list,
.timeline {
  display: grid;
  gap: 14px;
}

.stack-list strong,
.stack-list span,
.module-grid strong,
.module-grid span {
  display: block;
}

.stack-list strong,
.module-grid strong {
  margin-bottom: 6px;
  color: var(--ink);
}

.buybox {
  color: #fff;
  background:
    radial-gradient(circle at 70% 20%, rgba(7, 102, 255, 0.26), transparent 34%),
    linear-gradient(135deg, #071731, #0b2148);
}

.buybox .eyebrow {
  color: #cfe3ff;
  background: rgba(255, 255, 255, 0.12);
}

.buybox h2,
.buybox h3 {
  color: #fff;
}

.buybox .section-heading p {
  color: #bdd0eb;
}

.buybox-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 20px;
  max-width: 1120px;
  margin: 0 auto;
}

.strategy-card,
.timeline div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
}

.strategy-card {
  padding: clamp(28px, 4vw, 46px);
}

.strategy-card p,
.strategy-card li,
.timeline span {
  color: #bdd0eb;
}

.strategy-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.timeline div {
  display: grid;
  gap: 4px;
  padding: 20px;
}

.timeline b {
  color: #fff;
}

.integrations {
  background: linear-gradient(180deg, #f4f9ff, #ffffff);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.logo-grid span {
  display: grid;
  grid-template-rows: 42px auto auto;
  gap: 7px;
  min-height: 112px;
  place-items: center;
  padding: 18px 14px 14px;
  color: #33466d;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #e0ebf8;
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(33, 82, 143, 0.05);
  font-weight: 900;
  text-align: center;
}

.logo-grid img {
  display: block;
  max-width: 112px;
  max-height: 38px;
  object-fit: contain;
}

.logo-grid b {
  color: #33466d;
  font-size: 13px;
  line-height: 1.2;
}

.logo-grid small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 18px;
  padding: 0 7px;
  color: #74819a;
  background: #f2f6fb;
  border: 1px solid #dde7f2;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.logo-grid .coming-soon {
  color: #5d6d86;
}

.brand-fallback {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  border-radius: 11px;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.brand-fallback.telegram {
  background: linear-gradient(135deg, #229ed9, #0a7fc0);
}

.brand-fallback.xml {
  background: linear-gradient(135deg, #0b72ff, #074fb8);
}

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

.demo-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: start;
  padding: clamp(66px, 9vw, 112px) clamp(22px, 5vw, 84px);
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(7, 102, 255, 0.28), transparent 30%),
    var(--navy);
}

.demo-section .eyebrow {
  color: #d7e8ff;
  background: rgba(255, 255, 255, 0.1);
}

.demo-section h2 {
  color: #fff;
}

.demo-copy {
  position: sticky;
  top: 128px;
}

.demo-copy p {
  color: #c9d8ee;
}

.demo-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  box-shadow: var(--shadow-strong);
}

.demo-form label {
  display: grid;
  gap: 8px;
  min-width: 0;
  color: #34496e;
  font-size: 13px;
  font-weight: 900;
}

.demo-form input,
.demo-form select,
.demo-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  color: var(--ink);
  background: #f7fbff;
  border: 1px solid #d9e6f6;
  border-radius: 8px;
}

.demo-form textarea {
  resize: vertical;
}

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
  outline: 3px solid rgba(7, 102, 255, 0.14);
  border-color: var(--blue);
}

.full,
.full-button {
  grid-column: 1 / -1;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.alert {
  margin-top: 24px;
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: 800;
}

.alert.success {
  color: #dff8ed;
  background: rgba(15, 138, 103, 0.28);
  border: 1px solid rgba(119, 223, 189, 0.35);
}

.alert.error {
  color: #ffe7e7;
  background: rgba(185, 28, 28, 0.26);
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px clamp(22px, 5vw, 84px);
  color: #b8c7dd;
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.site-footer img {
  display: block;
  width: 156px;
  height: auto;
  padding: 8px 10px;
  background: #fff;
  border-radius: 8px;
}

.site-footer a {
  color: #fff;
  font-weight: 900;
}

@media (max-width: 1180px) {
  .feature-grid.four,
  .logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 920px) {
  .site-header {
    top: 0;
    grid-template-columns: 1fr auto;
    width: 100%;
    margin: 0;
    border-radius: 0;
  }

  .nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split,
  .split.reverse,
  .buybox-layout,
  .demo-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-visual {
    max-width: 680px;
  }

  .feature-grid.three,
  .feature-grid.two,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .demo-copy {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 16px 18px;
  }

  .brand,
  .brand img {
    min-width: 0;
    width: 150px;
  }

  .header-action {
    display: none;
  }

  h1 {
    font-size: 39px;
  }

  .product-visual {
    grid-template-columns: 1fr;
  }

  .visual-sidebar {
    display: none;
  }

  .visual-main {
    padding: 20px;
  }

  .visual-header,
  .flow-row {
    grid-template-columns: 1fr;
  }

  .visual-header {
    align-items: flex-start;
  }

  .flow-row {
    justify-items: start;
  }

  .visual-metrics,
  .feature-grid.four,
  .logo-grid,
  .demo-form {
    grid-template-columns: 1fr;
  }

  .floating-app {
    display: none;
  }

  .section,
  .demo-section {
    padding-block: 56px;
  }

  .site-footer {
    display: grid;
  }
}