:root {
  color-scheme: light;
  --teal: #127a96;
  --navy: #1b3550;
  --muted: #4c6174;
  --background: #f4f7fa;
  --border: #dce5ec;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--navy);
  background: var(--background);
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: var(--teal); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid var(--navy); outline-offset: 5px; }
.container { width: min(1100px, calc(100% - 40px)); margin-inline: auto; }
.site-header { background: #fff; border-bottom: 1px solid var(--border); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--teal); text-decoration: none; font-size: 24px; font-weight: 750; letter-spacing: -.8px; }
.wordmark svg { flex-shrink: 0; }
.header-cta { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; font-weight: 650; text-decoration: none; }
.header-cta:hover { text-decoration: underline; }
.hero { padding-block: 65px 72px; }
.hero-rule { width: 48px; height: 5px; background: #e8a145; border-radius: 3px; margin-bottom: 24px; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 930px; font-size: clamp(2.25rem, 5.1vw, 3.75rem); line-height: 1.12; letter-spacing: -.045em; margin-bottom: 25px; font-weight: 750; }
.hero p { max-width: 760px; font-size: 18px; color: var(--muted); margin-bottom: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 52px; padding: 13px 22px; border-radius: 7px; background: var(--teal); color: white; text-decoration: none; font-weight: 650; box-shadow: 0 3px 8px #1b355012; }
.button:hover { background: #0e647c; }
.button span { font-size: 20px; line-height: 1; }
h2 { font-size: 28px; line-height: 1.25; letter-spacing: -.025em; margin-bottom: 28px; }
.how-section { background: white; padding-block: 54px; border-block: 1px solid var(--border); }
.steps { padding: 0; margin: 0 0 34px; list-style: none; counter-reset: steps; display: grid; gap: 24px; }
.steps li { counter-increment: steps; display: flex; gap: 15px; align-items: flex-start; }
.steps li::before { content: counter(steps, decimal-leading-zero); display: grid; place-items: center; flex: 0 0 38px; height: 38px; border-radius: 50%; background: #eaf4f7; color: var(--teal); font-size: 14px; font-weight: 750; }
.gallery { display: grid; gap: 20px; }
figure { margin: 0; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: var(--background); }
picture { display: block; }
img { display: block; width: 100%; height: auto; }
figcaption { padding: 14px 18px; background: #fff; border-top: 1px solid var(--border); font-size: 14px; font-weight: 650; }
.demo-note { margin: 12px 0 0; font-size: 12px; color: var(--muted); }
.price .helper { margin-top: 12px; font-size: 14px; color: #c3d3e0; }
.compatibility { margin: 28px 0 0; color: var(--muted); font-size: 15px; }
.benefits { padding-block: 54px 42px; }
.benefit-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; }
.benefit-list li { display: flex; align-items: flex-start; gap: 12px; }
.benefit-list li::before { content: "✓"; color: var(--teal); font-weight: 750; }
.details { display: grid; gap: 20px; }
.detail-card { padding: 28px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.detail-card h2 { font-size: 23px; margin-bottom: 16px; }
.detail-card p { color: var(--muted); margin-bottom: 0; }
.reform { background: #edf4f7; }
.card-mark { display: block; color: var(--teal); font-size: 32px; line-height: 1; margin-bottom: 20px; }
.shield { display: block; color: var(--teal); margin-bottom: 20px; }
.price { margin-block: 44px 54px; padding: 30px; background: var(--navy); color: #fff; border-radius: 10px; display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.price h2 { margin-bottom: 14px; }
.price p { max-width: 610px; margin-bottom: 0; color: #e0e9f1; }
.price .button { flex-shrink: 0; }
.price a:focus-visible { outline-color: white; }
.site-footer { border-top: 1px solid var(--border); padding-block: 28px 34px; font-size: 14px; }
.site-footer p { margin-bottom: 10px; }
.privacy { max-width: 780px; font-size: 12px; color: var(--muted); }
@media (min-width: 760px) {
  .hero { padding-block: 84px 88px; }
  .steps, .benefit-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .gallery figure:first-child { grid-column: 1 / -1; }
  .steps { margin-bottom: 40px; }
  .details { grid-template-columns: 1.3fr 1fr; }
  .detail-card { padding: 32px; }
  .price { flex-direction: row; align-items: center; justify-content: space-between; padding: 40px; }
}
@media (max-width: 420px) {
  .header-inner { gap: 14px; }
  .wordmark { font-size: 20px; gap: 7px; }
  .wordmark svg { width: 26px; height: 26px; }
  .header-cta { max-width: 145px; font-size: 12px; line-height: 1.4; }
  .header-cta span { display: none; }
  .price, .detail-card { padding: 24px; }
  .price .button { width: 100%; gap: 12px; padding-inline: 14px; font-size: 14px; }
}
.nowrap { white-space: nowrap; }