:root {
  --ink: #121225;
  --muted: #5f6273;
  --line: #e8e8f4;
  --page: #f7f7fb;
  --panel: #ffffff;
  --navy: #14152f;
  --violet: #7b45ff;
  --pink: #ff7b95;
  --cyan: #55c8f7;
  --gold: #ffd45a;
  --green: #19b873;
  --shadow: 0 18px 45px rgba(28, 25, 66, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}
a { color: #1267c8; font-weight: 700; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 28px;
  background: rgba(255, 255, 255, .95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.brand img {
  width: 78px;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}
.site-nav a, .dropdown > button {
  color: var(--ink);
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.site-nav a[aria-current="page"] { color: #226bd8; }
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 230px;
  display: none;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu {
  display: grid;
  gap: 6px;
}
.dropdown-menu a { padding: 7px 8px; border-radius: 6px; }
.dropdown-menu a:hover { background: #f2f3ff; text-decoration: none; }
.nav-toggle { display: none; }

.page-shell {
  max-width: 1060px;
  margin: 0 auto;
  padding: 18px 28px 56px;
  background: #fff;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr);
  gap: 38px;
  align-items: center;
  padding: 38px 0 30px;
}
.eyebrow {
  margin: 0 0 10px;
  color: #3155c8;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.18; }
h1 {
  margin: 0 0 14px;
  font-size: clamp(40px, 7vw, 78px);
  letter-spacing: 0;
}
h2 {
  margin: 0 0 18px;
  padding: 12px 18px;
  color: #fff;
  text-align: center;
  font-size: clamp(22px, 3vw, 31px);
  background: linear-gradient(90deg, var(--pink), var(--violet), var(--cyan));
  border-radius: 8px;
  box-shadow: 0 12px 24px rgba(123, 69, 255, .2);
}
h3 { margin: 0 0 10px; font-size: 19px; }
.lead {
  margin: 0 0 20px;
  color: #36384a;
  font-size: 18px;
}
.hero-media {
  padding: 18px;
  background: radial-gradient(circle at 30% 20%, #fff 0, #fff 38%, #eef7ff 39%, #ffffff 70%);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.hero-media img { border-radius: 8px; }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}
.btn.primary {
  color: #fff;
  background: linear-gradient(90deg, #ff7891, #8a4cff, #3ec9fb);
  box-shadow: 0 12px 24px rgba(123, 69, 255, .24);
}
.btn.secondary {
  color: #222544;
  background: #fff;
  border: 1px solid var(--line);
}
.btn.centered {
  width: fit-content;
  margin: 0 auto 24px;
}
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.trust-list li {
  padding: 8px 12px;
  background: #f3f6ff;
  border: 1px solid #dfe6ff;
  border-radius: 8px;
  font-size: 14px;
}
.affiliate-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.quick-card, .content-section, .toc, .warning {
  margin: 24px 0;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.quick-card h2, .content-section h2, .warning h2 { margin-top: 0; }
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid #ced1dd;
}
.detail-grid div {
  min-height: 86px;
  padding: 14px;
  border-right: 1px solid #ced1dd;
  border-bottom: 1px solid #ced1dd;
}
.detail-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}
.detail-grid strong { display: block; margin-top: 5px; }
.toc {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 16px;
}
.toc strong { grid-column: 1 / -1; font-size: 18px; }
.feature-band {
  padding: 18px;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  box-shadow: 0 12px 24px rgba(20, 21, 47, .2);
}
.feature-band ol { margin-bottom: 0; }
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 360px);
  gap: 30px;
  align-items: start;
}
.split.reverse { grid-template-columns: minmax(220px, 360px) minmax(0, 1fr); }
.phone-shot {
  max-height: 720px;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.wide-image {
  max-height: 900px;
  margin: 20px auto 0;
  object-fit: contain;
  border-radius: 8px;
}
.check-list, .steps { padding-left: 22px; }
.check-list li, .steps li { margin: 7px 0; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.cards-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbff;
}
.cards-grid article img {
  max-height: 540px;
  margin: 0 auto 18px;
  object-fit: contain;
}
.logic-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.logic-grid span {
  padding: 12px 14px;
  background: #f2f4ff;
  border-left: 5px solid var(--violet);
  border-radius: 8px;
}
.table-wrap { overflow-x: auto; margin-top: 18px; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}
th, td {
  padding: 12px;
  text-align: left;
  border: 1px solid #ccd0dc;
}
th { background: #f1f4ff; }
.warning {
  color: #241c05;
  background: #fff8df;
  border-color: #f2d772;
}
.faq-list {
  display: grid;
  gap: 10px;
}
details {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbff;
}
summary { cursor: pointer; font-weight: 800; }
details p { margin-bottom: 0; }
.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 28px;
  color: #d8dcff;
  background: #15162e;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
}
.site-footer a { color: #fff; }
.fine-print { color: #aeb4da; font-size: 13px; }

.simple-page h1 {
  font-size: clamp(34px, 6vw, 58px);
}
.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.article-list article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.related-guides {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.related-guides a {
  display: block;
  min-height: 76px;
  padding: 14px;
  color: var(--ink);
  background: #f6f8ff;
  border: 1px solid #dfe6ff;
  border-radius: 8px;
}
.related-guides a span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

@media (max-width: 820px) {
  .site-header {
    position: relative;
    padding: 10px 18px;
  }
  .nav-toggle {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    padding: 8px 14px;
    color: #fff;
    background: var(--navy);
    border: 0;
    border-radius: 8px;
    font-weight: 800;
  }
  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a, .dropdown > button { padding: 10px; text-align: left; }
  .dropdown-menu {
    position: static;
    display: grid;
    min-width: 0;
    box-shadow: none;
  }
  .page-shell { padding: 12px 16px 40px; }
  .hero, .split, .split.reverse {
    grid-template-columns: 1fr;
  }
  .hero { padding-top: 22px; }
  .detail-grid, .toc, .cards-grid, .cards-grid.two, .article-list, .related-guides {
    grid-template-columns: 1fr;
  }
  .detail-grid div { border-right: 0; }
  h1 { font-size: 42px; }
  h2 { font-size: 22px; }
}