:root {
  --bg: #f6f9ff;
  --white: #fff;
  --text: #0d1726;
  --muted: #5b6b82;
  --blue: #1e7bff;
  --blue2: #64c7ff;
  --line: #dfe9f6;
  --dark: #071527;
  --green: #15b981;
  --red: #f25c54;
  --shadow: 0 24px 70px rgba(18, 68, 126, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 45%, #fff 100%);
  font-size: 16px;
  line-height: 1.45;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 56px);
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(210, 225, 244, 0.65);
}

.logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.logo span {
  color: var(--blue);
}

.nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-weight: 600;
}

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

.header-cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--dark);
  color: white;
  font-weight: 800;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 86px 22px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 54px;
  align-items: center;
  min-height: calc(100vh - 74px);
  padding-top: 70px;
}

.eyebrow,
.tag {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--blue);
  font-weight: 800;
  font-size: 14px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 8px rgba(21, 185, 129, 0.12);
}

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

h1 {
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.07em;
  margin: 18px 0 22px;
}

h2 {
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  margin: 14px 0 18px;
}

h3 {
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 19px;
  color: #26384f;
  max-width: 680px;
}

.hero-note {
  font-weight: 800;
  color: var(--dark);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 30px 0 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  padding: 16px 22px;
  font-weight: 900;
  border: 0;
  cursor: pointer;
  transition: 0.2s transform, 0.2s box-shadow;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: white;
  box-shadow: 0 14px 34px rgba(30, 123, 255, 0.28);
}

.secondary {
  background: white;
  border: 1px solid var(--line);
  color: var(--dark);
}

.full {
  width: 100%;
}

.microtext {
  font-size: 14px;
  color: var(--muted);
  max-width: 660px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.stats-grid div {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
}

.stats-grid b {
  display: block;
  font-size: 22px;
  letter-spacing: -0.04em;
}

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

.hero-visual {
  position: relative;
}

.chat-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.floating {
  animation: float 5s ease-in-out infinite;
}

.chat-top {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  color: var(--muted);
}

.chat-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #d7e4f3;
}

.chat-top strong {
  margin-left: auto;
  color: var(--blue);
}

.message {
  padding: 14px 16px;
  border-radius: 18px;
  margin: 10px 0;
  max-width: 86%;
  font-weight: 600;
}

.client {
  margin-left: auto;
  background: #eaf2ff;
}

.ai {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(18, 68, 126, 0.08);
}

.typing {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.typing i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  margin-right: 4px;
  animation: blink 1.3s infinite;
}

.score-card {
  position: absolute;
  right: -10px;
  bottom: -42px;
  width: 230px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.score-card b {
  font-size: 46px;
  color: var(--blue);
  letter-spacing: -0.07em;
}

.score-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.section-head {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 38px;
}

.section-head p,
.lead-content p,
.economy-card p,
.price-card p {
  color: var(--muted);
  font-size: 17px;
}

.compact {
  max-width: 760px;
}

.compare {
  display: grid;
  grid-template-columns: 1fr 58px 1fr;
  gap: 18px;
  align-items: center;
}

.compare-card,
.demo-card,
.feature,
.need-card,
.price-card,
.lead,
.faq details,
.economy-card,
.included {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 46px rgba(18, 68, 126, 0.08);
}

.compare-card {
  padding: 30px;
}

.compare-card ul,
.need-card ul {
  padding-left: 20px;
  color: var(--muted);
}

.compare-card li,
.need-card li {
  margin: 10px 0;
}

.negative h3 {
  color: var(--red);
}

.positive h3 {
  color: var(--green);
}

.arrow {
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: white;
  font-size: 28px;
  font-weight: 900;
}

.badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.badges span,
.benefits span,
.included span {
  padding: 12px 16px;
  border-radius: 999px;
  background: #eaf4ff;
  color: #155fae;
  font-weight: 800;
}

.demo-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.demo-card {
  padding: 30px;
}

.icon {
  font-size: 42px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.chips span {
  padding: 9px 12px;
  background: var(--bg);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
}

.demo-note {
  text-align: center;
  color: var(--muted);
  font-weight: 700;
  margin-top: 20px;
}

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

.feature {
  padding: 26px;
}

.feature h3 {
  color: var(--blue);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.steps div {
  position: relative;
  padding: 26px;
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(18, 68, 126, 0.08);
}

.steps b {
  font-size: 42px;
  color: #5bc6ff;
  opacity: 0.95;
}

.steps p {
  color: var(--muted);
}

.economy-card {
  padding: 44px;
}

.benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}

blockquote {
  margin: 26px 0 0;
  padding: 24px;
  border-left: 5px solid var(--blue);
  background: #f2f7ff;
  border-radius: 18px;
  font-size: 20px;
  font-weight: 800;
}

.launch-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  gap: 22px;
}

.launch-list {
  display: grid;
  gap: 12px;
}

.launch-list p {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  margin: 0;
  color: var(--muted);
}

.launch-list b {
  color: var(--text);
}

.need-card {
  padding: 28px;
}

.price-card {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  padding: 36px;
  align-items: center;
}

.price-box {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 12px 30px rgba(18, 68, 126, 0.08);
}

.price-box small {
  color: #2a7cf7;
  font-weight: 800;
}

.price-box b {
  display: block;
  font-size: 42px;
  letter-spacing: -0.06em;
}

.price-box span {
  display: block;
  color: var(--muted);
  margin-bottom: 18px;
}

.price-box hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 20px 0;
}

.included {
  padding: 28px;
  margin-top: 18px;
}

.included div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.lead {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 32px;
  align-items: start;
  padding: 42px;
  background: linear-gradient(135deg, #fff, #eef7ff);
}

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

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  font: inherit;
  background: white;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.telegram-link {
  text-align: center;
  color: var(--blue);
  font-weight: 900;
}

.form-status {
  min-height: 22px;
  color: var(--green);
  font-weight: 800;
  text-align: center;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.faq details {
  padding: 20px;
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
  font-size: 18px;
}

.faq p {
  color: var(--muted);
  margin: 12px 0 0;
}

.footer {
  padding: 38px 22px;
  text-align: center;
  color: var(--muted);
  background: #f7fbff;
  border-top: 1px solid var(--line);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-14px);
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 0.25;
  }

  50% {
    opacity: 1;
  }
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .hero,
  .lead,
  .price-card,
  .launch-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

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

  .compare {
    grid-template-columns: 1fr;
  }

  .arrow {
    transform: rotate(90deg);
    margin: auto;
  }

  .features-grid,
  .demo-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .price-card {
    padding: 24px;
  }

  .lead {
    padding: 24px;
  }

  .score-card {
    position: static;
    width: auto;
    margin-top: 14px;
  }

  .section {
    padding: 64px 18px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-subtitle {
    font-size: 17px;
  }
}

@media (max-width: 520px) {
  .header-cta {
    display: none;
  }

  .site-header {
    padding: 14px 18px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .message {
    max-width: 96%;
    font-size: 14px;
  }

  .price-box b {
    font-size: 34px;
  }

  .compare-card,
  .demo-card,
  .economy-card {
    padding: 22px;
  }
}