:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --ink: #0b172a;
  --muted: #5d6b82;
  --primary: #0b1f4d;
  --accent: #00a7ff;
  --accent-2: #36e0ff;
  --line: #dce8f5;
  --shadow: 0 18px 50px rgba(11, 31, 77, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 251, 255, 0.9);
  border-bottom: 1px solid rgba(220, 232, 245, 0.8);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 167, 255, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  color: white;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #0646b8);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(11, 31, 77, 0.22);
  cursor: pointer;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.button.secondary {
  color: var(--primary);
  background: white;
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  padding: 86px 0 70px;
  background:
    radial-gradient(circle at 82% 16%, rgba(54, 224, 255, 0.28), transparent 28%),
    radial-gradient(circle at 12% 20%, rgba(0, 167, 255, 0.16), transparent 24%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 12px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(0, 167, 255, 0.1);
  border: 1px solid rgba(0, 167, 255, 0.18);
  border-radius: 999px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: 1.25rem;
}

.lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.trust-row span {
  padding: 8px 12px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.messenger-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.chat-window {
  padding: 18px;
  background: #eef7ff;
  border-radius: 24px;
}

.bubble {
  width: fit-content;
  max-width: 88%;
  margin-bottom: 12px;
  padding: 12px 14px;
  font-size: 0.96rem;
  background: white;
  border-radius: 16px 16px 16px 4px;
  box-shadow: 0 8px 22px rgba(11, 31, 77, 0.08);
}

.bubble.ai {
  margin-left: auto;
  color: white;
  background: linear-gradient(135deg, #0866ff, var(--accent));
  border-radius: 16px 16px 4px 16px;
}

.mini-panel {
  margin-top: 16px;
  padding: 16px;
  background: white;
  border-radius: 18px;
}

.mini-panel strong {
  display: block;
  margin-bottom: 8px;
}

.mini-panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 82px 0;
}

.section.white {
  background: white;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-header p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 20px;
}

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

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

.card {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(11, 31, 77, 0.06);
}

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

.icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  color: var(--primary);
  font-weight: 800;
  background: linear-gradient(135deg, rgba(0, 167, 255, 0.14), rgba(54, 224, 255, 0.24));
  border-radius: 15px;
}

.steps {
  display: grid;
  gap: 16px;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: white;
  font-weight: 800;
  background: var(--primary);
  border-radius: 50%;
}

.highlight {
  padding: 34px;
  color: white;
  background: linear-gradient(135deg, var(--primary), #083f9f);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.highlight h2,
.highlight h3,
.highlight p {
  color: white;
}

.highlight p {
  opacity: 0.84;
}

.policy {
  max-width: 860px;
  padding: 58px 0 80px;
}

.policy h1 {
  font-size: clamp(2.1rem, 5vw, 3.8rem);
}

.policy h2 {
  margin-top: 42px;
  font-size: 1.55rem;
}

.policy p,
.policy li {
  color: var(--muted);
}

.policy a {
  color: #0646b8;
  font-weight: 700;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--primary);
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: #fbfdff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

.footer {
  padding: 36px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #07142e;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
}

.footer a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  justify-content: flex-end;
}

.small {
  color: var(--muted);
  font-size: 0.94rem;
}

.form-success {
  margin-bottom: 20px;
  border-radius: var(--radius);
}

.form-success.is-visible {
  animation: formSuccessIn 0.45s ease-out;
}

@keyframes formSuccessIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-success-inner {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  background: linear-gradient(135deg, rgba(0, 167, 255, 0.08), rgba(54, 224, 255, 0.14));
  border: 1px solid rgba(0, 167, 255, 0.38);
  border-radius: var(--radius);
  box-shadow: 0 12px 36px rgba(11, 31, 77, 0.08);
}

.form-success-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: white;
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1;
  background: linear-gradient(145deg, #059669, #10b981);
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(5, 150, 105, 0.35);
}

.form-success-icon::before {
  content: "✓";
}

.form-success h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  color: var(--primary);
}

.form-success p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

@media (max-width: 860px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .contact-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links,
  .footer-links {
    justify-content: flex-start;
  }

  .section {
    padding: 60px 0;
  }
}