:root {
  color-scheme: light;
  --ink: #10202e;
  --muted: #526472;
  --blue: #159fe1;
  --blue-dark: #0879ba;
  --line: #dce7ee;
  --surface: #f3f9fc;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(28, 72, 100, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; }

.site-header,
main,
footer {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; }
.brand img { display: block; width: 142px; height: auto; }

.header-link {
  font-weight: 750;
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  align-items: center;
  gap: clamp(40px, 7vw, 90px);
  padding: 64px 0 88px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: .82rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(2.65rem, 5vw, 4.9rem);
  line-height: .99;
  letter-spacing: -.055em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.3vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}

h3 { margin-bottom: 10px; font-size: 1.25rem; line-height: 1.25; }

.hero-text {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.15rem;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible, .header-link:focus-visible, summary:focus-visible { outline: 3px solid #f4c500; outline-offset: 3px; }

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  box-shadow: 0 12px 28px rgba(8, 121, 186, .24);
}

.button-secondary { border-color: var(--line); background: var(--white); }

.payment-note { margin: 14px 0 0; color: var(--muted); font-size: .92rem; }

.hero-visual {
  min-height: 500px;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.visual-halo {
  position: absolute;
  inset: 6% 0 8%;
  z-index: -1;
  border-radius: 42% 58% 62% 38% / 48% 35% 65% 52%;
  background: linear-gradient(145deg, #e8f7fd, #d6f0fa);
}

.hero-visual > img { width: min(96%, 500px); height: auto; filter: drop-shadow(0 28px 30px rgba(22, 56, 76, .17)); }

.result-card {
  position: absolute;
  right: 0;
  bottom: 22px;
  max-width: 300px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 18px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.result-card strong, .result-card span { display: block; }
.result-card span { margin-top: 3px; color: var(--muted); font-size: .9rem; }

.benefits { padding: 88px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 720px; margin-bottom: 38px; }

.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}
.benefit-grid article:nth-child(2) { background: var(--surface); }
.benefit-grid p { margin-bottom: 0; color: var(--muted); }
.number { display: block; margin-bottom: 48px; color: var(--blue); font-size: .86rem; font-weight: 900; }

.steps {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(48px, 8vw, 110px);
  padding: 88px clamp(24px, 5vw, 64px);
  border-radius: 30px;
  background: var(--ink);
  color: var(--white);
}
.steps .eyebrow { color: #6fd5ff; }
.steps ol { margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.steps li:first-child { padding-top: 0; }
.steps li:last-child { padding-bottom: 0; border-bottom: 0; }
.steps li > span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: #6fd5ff; font-weight: 900; }
.steps strong { font-size: 1.08rem; }
.steps li p { margin: 4px 0 0; color: #bfd0da; }

.faq { padding: 100px 0 80px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 24px 42px 24px 0; cursor: pointer; font-size: 1.08rem; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; top: 19px; color: var(--blue-dark); font-size: 1.55rem; font-weight: 500; }
details[open] summary::after { content: "–"; }
details p { max-width: 800px; margin: -8px 0 24px; color: var(--muted); }

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 78px;
  padding: clamp(28px, 5vw, 58px);
  border-radius: 26px;
  background: var(--surface);
}
.final-cta h2 { max-width: 700px; margin-bottom: 0; }
.final-cta .button { flex: 0 0 auto; }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
footer img { width: 118px; height: auto; }
footer p { margin: 0; font-size: .92rem; }

@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .hero-visual { min-height: 390px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-grid article { min-height: 0; }
  .number { margin-bottom: 28px; }
  .steps { grid-template-columns: 1fr; }
  .final-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 28px, 1160px); }
  .site-header { min-height: 72px; }
  .brand img { width: 116px; }
  .header-link { font-size: .9rem; }
  .hero { min-height: auto; gap: 24px; padding: 44px 0 68px; }
  h1 { font-size: clamp(2.45rem, 13vw, 3.7rem); }
  .hero-text { font-size: 1.02rem; }
  .actions { display: grid; }
  .button { width: 100%; }
  .hero-visual { min-height: 330px; }
  .result-card { right: 6px; bottom: 0; max-width: 250px; }
  .benefits, .faq { padding: 70px 0; }
  .steps { padding: 42px 22px; border-radius: 22px; }
  .final-cta { margin-bottom: 52px; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}