:root {
  --page-bg: #f2f5fb;
  --card-bg: rgba(255, 255, 255, 0.94);
  --card-border: rgba(191, 219, 254, 0.9);
  --text-main: #162033;
  --text-muted: #5f718f;
  --field-bg: #eef1f7;
  --field-placeholder: #99a6bd;
  --accent-blue: #2563eb;
  --accent-violet: #7c3aed;
  --accent-link: #ff8a68;
  --shadow-soft: 0 24px 70px rgba(37, 99, 235, 0.12);
  --radius-xl: 30px;
  --radius-lg: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(191, 219, 254, 0.55), transparent 38%),
    radial-gradient(circle at bottom right, rgba(196, 181, 253, 0.32), transparent 32%),
    var(--page-bg);
  color: var(--text-main);
  font-family: "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }

.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 18px 42px;
}
.topbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  border: 1px solid rgba(191, 219, 254, 0.8);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.12);
  backdrop-filter: blur(18px);
}
.topbar-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 10px 20px;
}
.brand {
  font-size: 2rem;
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 900;
  color: #111827;
  flex-shrink: 0;
}
.brand .bot {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  flex: 1;
  min-width: 0;
}
.nav a {
  font-size: 1.08rem;
  font-weight: 700;
  color: #475569;
  transition: color 0.18s ease;
  white-space: nowrap;
}
.nav a:hover { color: var(--accent-blue); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet));
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 36px rgba(95, 64, 245, 0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  flex-shrink: 0;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 42px rgba(95, 64, 245, 0.28);
}

.page { padding: 42px 14px 30px; }
.hero-card {
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--card-border);
  border-radius: 38px;
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
  padding: 42px 44px 36px;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: auto auto -140px -120px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 65%);
  pointer-events: none;
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: -120px -130px auto auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.14), transparent 68%);
  pointer-events: none;
}
.hero-card > * { position: relative; z-index: 1; }
h1 {
  margin: 0 0 16px;
  font-size: clamp(40px, 4.6vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.05em;
  font-weight: 900;
  color: #111827;
  max-width: 660px;
}
.lead {
  margin: 0 0 24px;
  max-width: 700px;
  font-size: clamp(17px, 1.25vw, 23px);
  line-height: 1.38;
  color: var(--text-muted);
  font-weight: 500;
}
.form-grid { display: grid; gap: 16px; }
.field {
  width: 100%;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--field-bg);
  color: var(--text-main);
  outline: none;
  padding: 19px 22px;
  font-size: clamp(18px, 1.35vw, 24px);
  line-height: 1.32;
  font-family: inherit;
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.field::placeholder { color: var(--field-placeholder); }
.field:-webkit-autofill,
.field:-webkit-autofill:hover,
.field:-webkit-autofill:focus,
.field:-webkit-autofill:active {
  -webkit-text-fill-color: var(--text-main) !important;
  -webkit-box-shadow: 0 0 0 1000px var(--field-bg) inset !important;
  box-shadow: 0 0 0 1000px var(--field-bg) inset !important;
  caret-color: var(--text-main);
  font-size: clamp(18px, 1.35vw, 24px) !important;
  transition: background-color 9999s ease-in-out 0s;
}
.field:focus-visible {
  box-shadow: 0 0 0 3px rgba(99, 70, 249, 0.22);
  background: #f3f6fc;
}
.policy {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin: 2px 0 0;
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.35;
  color: #475569;
}
.policy input[type="checkbox"] {
  width: 28px;
  height: 28px;
  margin: 2px 0 0;
  accent-color: #111827;
  cursor: pointer;
}
.policy a { color: var(--accent-link); }
.submit {
  width: 100%;
  min-height: 64px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-violet));
  color: #fff;
  font-size: clamp(24px, 1.7vw, 32px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  padding: 18px 24px;
  cursor: pointer;
  box-shadow: 0 22px 42px rgba(95, 64, 245, 0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 26px 48px rgba(95, 64, 245, 0.29);
}
.submit--success {
  background: linear-gradient(90deg, #94a3b8, #64748b);
  box-shadow: 0 22px 42px rgba(100, 116, 139, 0.18);
}
.submit--success:hover {
  transform: none;
  box-shadow: 0 22px 42px rgba(100, 116, 139, 0.18);
}
.submit--confirmed {
  background: linear-gradient(90deg, #16a34a, #15803d);
  box-shadow: 0 22px 42px rgba(22, 163, 74, 0.24);
}
.submit--confirmed:hover {
  box-shadow: 0 26px 48px rgba(22, 163, 74, 0.29);
}
.note {
  margin: 16px 0 0;
  min-height: 24px;
  font-size: 15px;
  line-height: 1.35;
  color: #70809b;
  display: none;
}

@media (max-width: 920px) {
  .shell { padding-inline: 12px; }
  .topbar-inner { flex-wrap: wrap; justify-content: center; padding: 14px 16px 16px; }
  .brand { width: 100%; text-align: left; font-size: 1.85rem; }
  .nav { order: 3; width: 100%; flex-wrap: wrap; gap: 14px 20px; justify-content: flex-start; }
  .nav-cta { order: 2; margin-left: auto; }
  .page { padding-top: 28px; }
  .hero-card { padding: 30px 20px 24px; border-radius: 30px; }
  .field { padding: 18px 16px; border-radius: 22px; }
  .policy { grid-template-columns: 30px minmax(0, 1fr); }
  .policy input[type="checkbox"] { width: 26px; height: 26px; }
}

@media (max-width: 640px) {
  .topbar-inner { min-height: 0; }
  .brand { font-size: 1.7rem; }
  .nav { display: none; }
  .nav-cta { width: 100%; }
  .hero-card { padding: 28px 18px 24px; }
  h1 { font-size: 50px; }
  .lead { font-size: 17px; }
  .field { font-size: 17px; }
  .submit { font-size: 24px; }
}