:root {
  --bg: #0b1220;
  --card: #111a2e;
  --card-2: #17233d;
  --text: #f5f7fb;
  --muted: #a8b3c7;
  --accent: #4da3ff;
  --accent-2: #7c5cff;
  --success: #17c964;
  --border: rgba(255,255,255,.08);
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(77,163,255,.18), transparent 30%),
    radial-gradient(circle at top right, rgba(124,92,255,.12), transparent 25%),
    linear-gradient(180deg, #09101c 0%, #0b1220 100%);
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 18px 60px;
}

.hero {
  background: rgba(17,26,46,.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 28px;
  margin-top: 18px;
}

.topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #2dd4bf);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  box-shadow: 0 10px 30px rgba(77,163,255,.35);
}

.brand-text small {
  display: block;
  color: var(--muted);
  margin-bottom: 4px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(23,201,100,.12);
  border: 1px solid rgba(23,201,100,.25);
  color: #d8ffe9;
  font-weight: 600;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
}

h1 {
  margin: 10px 0 14px;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 28px;
}

.btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  transition: .2s ease;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 10px 25px rgba(77,163,255,.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.07);
  transform: translateY(-1px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.section {
  margin-top: 22px;
  background: rgba(17,26,46,.8);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 30px;
  letter-spacing: -0.02em;
}

.section .sub {
  color: var(--muted);
  margin: 0 0 24px;
  line-height: 1.65;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.num {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: rgba(77,163,255,.14);
  color: #cfe4ff;
  margin-bottom: 14px;
}

.step h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.note {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 183, 77, .08);
  border: 1px solid rgba(255, 183, 77, .18);
  color: #ffe6b3;
  line-height: 1.6;
}

.footer {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 18px 8px;
}

/* dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle::after {
  content: "";
  display: inline-block;
  margin-left: 10px;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(255,255,255,.9);
  border-bottom: 2px solid rgba(255,255,255,.9);
  transform: rotate(45deg) translateY(-2px);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 290px;
  max-height: 320px;
  overflow-y: auto;
  background: #17233d;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  padding: 8px;
  display: none;
  z-index: 1000;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  color: #f5f7fb;
  text-decoration: none;
  font-weight: 600;
  transition: .2s ease;
  word-break: break-word;
}

.dropdown-item:hover {
  background: rgba(255,255,255,.06);
}

.dropdown-menu::-webkit-scrollbar {
  width: 8px;
}

.dropdown-menu::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.18);
  border-radius: 999px;
}

@media (max-width: 900px) {
  .grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero,
  .section {
    padding: 22px;
  }

  .lead {
    font-size: 16px;
  }

  .dropdown {
    width: 100%;
  }

  .dropdown-toggle {
    width: 100%;
  }

  .dropdown-menu {
    width: 100%;
    min-width: unset;
  }
}

.bot-section {
  text-align: center;
}

.bot-action {
  margin-top: 20px;
  display: flex;
  justify-content: center;
}

.bot-action .btn {
  min-width: 220px;
}