:root {
  --bg: #020711;
  --card: rgba(8, 17, 32, .84);
  --card2: rgba(11, 22, 40, .94);
  --line: rgba(115, 164, 255, .14);
  --line2: rgba(55, 148, 255, .55);
  --text: #f4f8ff;
  --muted: #94a3b8;
  --blue: #2b8cff;
  --blue2: #48b7ff;
  --gold: #ffc943;
  --radius: 24px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 18%, rgba(37, 121, 255, .24), transparent 28%),
    radial-gradient(circle at 84% 18%, rgba(31, 122, 255, .16), transparent 28%),
    radial-gradient(circle at 52% 56%, rgba(23, 86, 180, .12), transparent 46%),
    linear-gradient(180deg, #030914 0%, #01050d 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    radial-gradient(circle, rgba(83, 170, 255, .78) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 210, 75, .50) 0 1px, transparent 1.6px);
  background-size: 150px 150px, 230px 230px;
  background-position: 20px 40px, 90px 110px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

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

.page {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  position: relative;
}

.header {
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(120, 167, 255, .09);
  position: relative;
  z-index: 5;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -.04em;
}

.brand span span {
  color: var(--blue2);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 25%, #75dcff, #1f80ff 58%, #0b2a65);
  box-shadow: 0 0 34px rgba(45, 140, 255, .52), inset 0 1px 0 rgba(255,255,255,.25);
  transform: rotate(-10deg);
}

.nav {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: #c4cfdf;
  font-weight: 650;
}

.nav a {
  opacity: .84;
}

.nav a:hover {
  opacity: 1;
  color: white;
}

.btn {
  min-height: 44px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 14px;
  border: 1px solid rgba(130, 171, 255, .18);
  background: rgba(9, 18, 32, .66);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
  font-weight: 800;
  transition: .18s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(85, 173, 255, .50);
}

.btn-main,
.btn-small {
  background: linear-gradient(180deg, #47adff, #167aff 58%, #095ddd);
  border-color: rgba(118, 195, 255, .58);
  box-shadow: 0 18px 38px rgba(17, 111, 255, .34), inset 0 1px 0 rgba(255,255,255,.28);
}

.btn-main {
  min-height: 58px;
  padding: 0 32px;
  font-size: 17px;
}

.btn-ghost {
  min-height: 58px;
  padding: 0 32px;
}

.hero {
  position: relative;
  min-height: 560px;
  display: grid;
  grid-template-columns: 1fr 390px;
  align-items: center;
  gap: 42px;
  padding: 66px 0 46px;
}

.hero::after {
  content: "";
  position: absolute;
  left: 33%;
  top: 115px;
  width: 360px;
  height: 160px;
  border: 1px solid rgba(60, 140, 255, .20);
  border-radius: 50%;
  transform: rotate(-18deg);
  opacity: .55;
}

.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  width: fit-content;
  margin-bottom: 22px;
  padding: 9px 14px;
  border-radius: 999px;
  color: #dcecff;
  background: rgba(12, 26, 46, .78);
  border: 1px solid rgba(95, 160, 255, .18);
  font-size: 14px;
  font-weight: 800;
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(56px, 6.3vw, 86px);
  line-height: .94;
  letter-spacing: -.065em;
  font-weight: 920;
}

.hero h1 span {
  display: block;
  margin-top: 10px;
  color: transparent;
  background: linear-gradient(90deg, #36b8ff 0%, #287eff 45%, #72d2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.lead {
  max-width: 660px;
  margin: 0 0 30px;
  color: #c4cede;
  font-size: 19px;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.trust-row {
  margin-top: 26px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: #b8c5d7;
  font-size: 14px;
}

.trust-row span {
  padding: 10px 13px;
  border-radius: 999px;
  background: rgba(10, 20, 36, .62);
  border: 1px solid rgba(115, 164, 255, .12);
}

.hero-bg-star {
  position: absolute;
  color: #2b8cff;
  text-shadow: 0 0 44px rgba(43, 140, 255, .86);
  user-select: none;
  pointer-events: none;
}

.hero-bg-star-1 {
  left: -22px;
  top: 156px;
  font-size: 178px;
  opacity: .38;
  transform: rotate(-10deg);
  animation: floatStar 6s ease-in-out infinite;
}

.hero-bg-star-2 {
  left: 252px;
  top: 238px;
  font-size: 62px;
  opacity: .24;
  animation: floatStar 7s ease-in-out infinite reverse;
}

@keyframes floatStar {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}

.hero-card {
  position: relative;
  height: 400px;
  z-index: 2;
}

.bot-window {
  position: absolute;
  right: 0;
  top: 20px;
  width: 370px;
  padding: 18px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 70% 0%, rgba(54, 149, 255, .18), transparent 36%),
    linear-gradient(180deg, rgba(13, 25, 44, .96), rgba(6, 14, 26, .98));
  border: 1px solid rgba(93, 158, 255, .22);
  box-shadow: 0 28px 90px rgba(0, 83, 255, .22);
  transform: rotate(2deg);
}

.bot-window::before {
  content: "★";
  position: absolute;
  right: 30px;
  top: -72px;
  color: var(--gold);
  font-size: 104px;
  line-height: 1;
  text-shadow: 0 0 42px rgba(255, 203, 62, .62);
  filter: drop-shadow(0 16px 35px rgba(0, 0, 0, .35));
}

.bot-window::after {
  content: "";
  position: absolute;
  right: -36px;
  bottom: 70px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #63d6ff, #227dff 55%, #0d3683);
  box-shadow: 0 0 48px rgba(48, 150, 255, .45);
}

.bot-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.bot-top strong {
  display: block;
}

.bot-top span:not(.status-dot) {
  color: var(--muted);
  font-size: 13px;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: #19df91;
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(25, 223, 145, .7);
}

.bot-message {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 22px;
  background: rgba(18, 34, 57, .82);
  border: 1px solid rgba(140, 180, 255, .12);
}

.bot-message > span {
  font-size: 38px;
  filter: drop-shadow(0 0 16px rgba(255, 209, 66, .55));
}

.bot-message p {
  margin: 6px 0 0;
  color: #aebbd0;
  line-height: 1.45;
}

.bot-options {
  margin: 16px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.bot-options div {
  padding: 13px 8px;
  border-radius: 16px;
  text-align: center;
  background: rgba(8, 18, 34, .80);
  border: 1px solid rgba(95, 160, 255, .16);
  color: #d9e8ff;
}

.bot-options strong {
  display: block;
  font-size: 20px;
  color: white;
}

.bot-options span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.bot-button {
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #45b1ff, #1471ff);
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(17, 111, 255, .32);
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: -10px 0 24px;
}

.benefits article {
  padding: 26px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(13, 24, 41, .88), rgba(6, 13, 24, .95));
  border: 1px solid var(--line);
  box-shadow: 0 24px 70px rgba(0, 78, 255, .12);
}

.icon {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  border-radius: 19px;
  display: grid;
  place-items: center;
  font-size: 27px;
  color: #8bd2ff;
  background: radial-gradient(circle at 30% 20%, #317dff, #102b66);
}

.benefits h3 {
  margin: 0 0 8px;
  font-size: 21px;
}

.benefits p,
.section-head p,
.cta p,
.faq p,
.doc p,
.doc li {
  color: #aab6c8;
  line-height: 1.55;
}

.how,
.faq,
.cta {
  margin-top: 24px;
  padding: 32px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(11, 21, 36, .82), rgba(5, 12, 23, .90));
  border: 1px solid rgba(120, 164, 255, .12);
}

.section-head h2,
.cta h2 {
  margin: 0 0 8px;
  font-size: 32px;
  letter-spacing: -.04em;
}

.section-head p,
.cta p {
  margin: 0;
}

.steps {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.steps article {
  padding: 24px;
  border-radius: 24px;
  background: rgba(13, 24, 42, .86);
  border: 1px solid rgba(119, 165, 255, .10);
}

.steps span {
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #5ebcff, #1376ff);
  font-weight: 900;
}

.steps h3 {
  margin: 0 0 8px;
}

.steps p {
  margin: 0;
  color: #99a8bc;
  line-height: 1.45;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background:
    radial-gradient(circle at 80% 20%, rgba(48, 151, 255, .18), transparent 32%),
    linear-gradient(180deg, rgba(11, 21, 36, .84), rgba(5, 12, 23, .92));
}

.faq-list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

details {
  border-radius: 18px;
  background: rgba(13, 24, 42, .86);
  border: 1px solid rgba(119, 165, 255, .10);
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 850;
}

details p {
  margin: 12px 0 0;
}

.footer {
  margin-top: 28px;
  padding: 26px 0 40px;
  border-top: 1px solid rgba(133, 173, 255, .08);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: #8998ad;
}

.footer strong {
  color: white;
}

.footer p {
  margin: 6px 0 0;
  max-width: 560px;
}

.footer nav {
  display: flex;
  gap: 16px;
  white-space: nowrap;
}

.page-simple {
  max-width: 900px;
}

.doc {
  padding: 54px 0;
}

.doc h1 {
  margin: 0 0 18px;
  font-size: 46px;
  letter-spacing: -.05em;
}

.doc h2 {
  margin-top: 30px;
}

.doc-card {
  margin: 26px 0;
  padding: 24px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
}

.doc a {
  color: var(--blue2);
}

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

@media (max-width: 980px) {
  .page {
    width: min(100% - 32px, var(--max));
  }

  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
  }

  .hero::after {
    display: none;
  }

  .hero-content {
    margin: 0 auto;
  }

  .eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .trust-row {
    justify-content: center;
  }

  .hero-card {
    height: 310px;
  }

  .bot-window {
    left: 50%;
    right: auto;
    transform: translateX(-50%) rotate(0deg);
    width: min(370px, 100%);
  }

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

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

@media (max-width: 640px) {
  .header {
    height: 62px;
  }

  .header .btn {
    display: none;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .lead {
    font-size: 16px;
  }

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

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

  .how,
  .faq,
  .cta {
    padding: 22px;
  }

  .footer nav {
    flex-wrap: wrap;
  }
}