:root {
  --bg: #080b11;
  --bg2: #0d121b;
  --panel: #121a26;
  --panel2: #16202e;
  --line: #223044;
  --text: #e8eef6;
  --muted: #9aa8bb;
  --cyan: #22d3ee;
  --green: #34f5a1;
  --gold: #f5c451;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  background: var(--cyan);
  color: #04222b;
  padding: 8px 12px;
  border-radius: 6px;
}
.skip:focus { left: 12px; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 11, 17, .9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  color: var(--text);
  text-decoration: none;
  font-size: 21px;
  font-weight: 850;
  letter-spacing: 1px;
}
.logo span { color: var(--cyan); }
.navlinks { display: flex; align-items: center; gap: 22px; }
.navlinks a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}
.navlinks a:hover, .navlinks a:focus-visible { color: var(--text); }

.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 72% 25%, rgba(34, 211, 238, .13), transparent 34%),
    linear-gradient(180deg, #0c121c, var(--bg));
}
.hero-inner { padding: 76px 0 72px; max-width: 850px; }
.crumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
}
.crumbs a { color: var(--cyan); text-decoration: none; }
.eyebrow {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 2px;
  text-transform: uppercase;
}
h1 {
  margin: 12px 0 18px;
  font-size: clamp(36px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -1.5px;
}
.lead {
  max-width: 760px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(17px, 2.2vw, 21px);
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 19px;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  background: var(--cyan);
  color: #03232a;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
}
.btn:hover { transform: translateY(-1px); }
.btn.secondary { background: transparent; color: var(--cyan); }

.trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--bg2);
}
.trust div {
  padding: 17px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.trust strong { color: var(--text); }

main section { padding: 70px 0; }
.section-head { max-width: 760px; margin-bottom: 30px; }
h2 {
  margin: 0 0 12px;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.5px;
}
h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.3; }
p { margin: 0 0 17px; }
.section-head p, .copy p, .copy li { color: var(--muted); }
.copy { max-width: 790px; }
.copy h2 { margin-top: 48px; }
.copy h2:first-child { margin-top: 0; }
.copy h3 { margin-top: 30px; }
.copy ul, .copy ol { padding-left: 23px; }
.copy li { margin-bottom: 10px; }
.note {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  background: var(--panel);
  color: var(--muted);
}

.form-card {
  max-width: 590px;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.signup-form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 800; }
.field input {
  width: 100%;
  min-height: 47px;
  padding: 11px 13px;
  border: 1px solid #34465f;
  border-radius: 8px;
  background: #0b111a;
  color: var(--text);
  font: inherit;
}
.field input:focus { outline: 2px solid var(--cyan); outline-offset: 1px; }
.consent {
  display: grid;
  grid-template-columns: 19px 1fr;
  gap: 9px;
  align-items: start;
  color: var(--muted);
  font-size: 12px;
}
.consent input { margin-top: 3px; }
.consent a { color: var(--cyan); }
.form-card .btn { width: 100%; }
.form-note { color: var(--muted); font-size: 12px; }
.resource-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 34px;
  align-items: center;
}
.pdf-preview {
  position: relative;
  max-width: 430px;
  padding: 18px;
  background: linear-gradient(145deg, #182335, #0c111a);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 22px 60px rgba(0,0,0,.35);
}
.pdf-page {
  aspect-ratio: 8.5 / 11;
  padding: 26px 22px;
  background:
    linear-gradient(rgba(34,211,238,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,.04) 1px, transparent 1px),
    #080b11;
  background-size: 12px 12px;
  border: 1px solid #30415a;
  color: var(--text);
}
.pdf-page small { color: var(--cyan); font-weight: 850; letter-spacing: 1px; }
.pdf-page h2 { margin-top: 12px; font-size: clamp(25px, 4vw, 38px); }
.mini-step {
  margin-top: 9px;
  padding: 9px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
}

.article-hero .hero-inner { max-width: 900px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 13px; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 260px;
  gap: 54px;
  align-items: start;
}
.article-body h2 { margin-top: 46px; scroll-margin-top: 90px; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin-top: 29px; }
.article-body p, .article-body li { color: #b0bbca; }
.article-body li { margin-bottom: 9px; }
.article-body a { color: var(--cyan); }
.article-body .lead-in {
  color: var(--text);
  font-size: 19px;
  line-height: 1.55;
}
.toc {
  position: sticky;
  top: 88px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 11px;
}
.toc strong { display: block; margin-bottom: 11px; }
.toc a {
  display: block;
  padding: 6px 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}
.toc a:hover { color: var(--cyan); }
.evidence-table { width: 100%; border-collapse: collapse; margin: 22px 0; }
.evidence-table th, .evidence-table td {
  padding: 11px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.evidence-table th { background: var(--panel2); color: var(--cyan); }
.evidence-table td { background: var(--panel); color: #b0bbca; }
.source-list { padding-left: 22px; font-size: 13px; }
.source-list li { margin-bottom: 10px; }

.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.product img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.product-body { display: flex; flex: 1; flex-direction: column; padding: 20px; }
.product-body p { color: var(--muted); font-size: 14px; }
.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 8px;
}
.price { color: var(--green); font-weight: 850; }
.product .btn { min-height: 40px; padding: 8px 13px; font-size: 13px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(34, 211, 238, .13);
  color: var(--cyan);
  font-weight: 850;
}
.step p { color: var(--muted); font-size: 14px; }

.faq { display: grid; gap: 12px; max-width: 850px; }
details {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}
summary { cursor: pointer; font-weight: 800; }
details p { margin: 12px 0 0; color: var(--muted); }

.related {
  background: var(--bg2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related a {
  display: block;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 11px;
  text-decoration: none;
}
.related a:hover { border-color: var(--cyan); }
.related small { display: block; margin-bottom: 5px; color: var(--cyan); font-weight: 800; }

footer { padding: 40px 0; }
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.disclaimer {
  max-width: 900px;
  color: #718096;
  font-size: 12px;
}

@media (max-width: 820px) {
  .products, .steps, .related-grid { grid-template-columns: 1fr; }
  .product { display: grid; grid-template-columns: 150px 1fr; }
  .product img { height: 100%; aspect-ratio: auto; border: 0; border-right: 1px solid var(--line); }
  .resource-layout, .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; }
  .pdf-preview { margin: 0 auto; }
}
@media (max-width: 650px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .navlinks a:not(.nav-shop) { display: none; }
  .hero-inner { padding: 54px 0 56px; }
  .trust { grid-template-columns: 1fr; }
  .trust div + div { border-top: 1px solid var(--line); }
  main section { padding: 52px 0; }
  .product { display: flex; }
  .product img { height: auto; aspect-ratio: 4 / 3; border: 0; border-bottom: 1px solid var(--line); }
  .footer-top { align-items: flex-start; flex-direction: column; }
}

/* Link-in-bio campaign page */
.bio-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0, rgba(34, 211, 238, .15), transparent 36%),
    linear-gradient(180deg, #0c121c 0, var(--bg) 72%);
}
.bio-shell {
  width: min(640px, calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0 54px;
  text-align: center;
}
.bio-logo { display: inline-block; }
.bio-kicker {
  margin: 10px 0 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.bio-shell h1 {
  margin: 0;
  font-size: clamp(36px, 10vw, 58px);
}
.bio-intro {
  max-width: 510px;
  margin: 16px auto 28px;
  color: var(--muted);
  font-size: 17px;
}
.bio-primary {
  padding: 24px;
  border: 1px solid rgba(34, 211, 238, .48);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(18, 26, 38, .96), rgba(13, 18, 27, .96));
  box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
  text-align: left;
}
.bio-primary h2 {
  margin: 7px 0 8px;
  font-size: 24px;
  line-height: 1.2;
}
.bio-primary p { margin: 0; color: var(--muted); }
.bio-button {
  display: block;
  margin-top: 20px;
  text-align: center;
}
.bio-links {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.bio-links > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(18, 26, 38, .86);
  color: var(--text);
  text-align: left;
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.bio-links > a:hover,
.bio-links > a:focus-visible {
  border-color: var(--cyan);
  background: var(--panel2);
  transform: translateY(-1px);
}
.bio-links b { display: block; font-size: 15px; }
.bio-links small { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.bio-links .bio-shop { border-color: rgba(245, 196, 81, .45); }
.bio-note {
  margin: 24px auto 0;
  color: #738298;
  font-size: 11px;
  line-height: 1.55;
}

@media (max-width: 620px) {
  .bio-shell { padding-top: 32px; }
  .bio-primary { padding: 21px; }
}