*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: #1f2028;
  color: #8890a4;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.75;
  min-height: 100vh;
}

header {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 16px 24px;
}

.back-link {
  color: #5ec4b6;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.back-link:hover { opacity: 1; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

h1 {
  color: #dde0e8;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.lede {
  color: #8890a4;
  margin-bottom: 40px;
}

.accent-bar {
  width: 32px;
  height: 1px;
  background: #5ec4b6;
  margin-bottom: 40px;
}

h2 {
  color: #dde0e8;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-top: 48px;
  margin-bottom: 16px;
}

p {
  margin-bottom: 12px;
}

ul, ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

li {
  margin-bottom: 6px;
}

strong {
  color: #dde0e8;
  font-weight: 400;
}

a {
  color: #5ec4b6;
  text-decoration: none;
  opacity: 0.9;
}
a:hover { opacity: 1; text-decoration: underline; }

.product-shot {
  margin: 32px 0 40px;
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255,255,255,0.08);
}

.product-shot figcaption {
  color: #5f6678;
  font-size: 12px;
  margin-top: 8px;
}

.steps {
  margin-top: 24px;
}

.step {
  border-left: 1px solid rgba(94,196,182,0.3);
  padding: 4px 0 4px 20px;
  margin-bottom: 24px;
}

.step-num {
  color: #5ec4b6;
  font-size: 11px;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}

.step-title {
  color: #dde0e8;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 6px;
}

.proof-list {
  list-style: none;
  padding-left: 0;
}

.proof-list li {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 0;
  padding: 12px 0;
}

.faq-list {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 16px;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 16px 0;
}

.faq-item h3 {
  color: #dde0e8;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.note {
  background: rgba(94,196,182,0.05);
  border-left: 2px solid #5ec4b6;
  padding: 12px 16px;
  margin: 24px 0;
  font-size: 13px;
}

.related {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding-top: 32px;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 12px;
}

.cta {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5ec4b6;
  font-size: 14px;
  letter-spacing: 0.03em;
  padding: 12px 0;
}

footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
  text-align: center;
  font-size: 11px;
  color: #40444e;
  letter-spacing: 0.03em;
}

@media (max-width: 560px) {
  main {
    padding: 40px 20px 72px;
  }
}