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

:root {
  --bg:        #f5f5f7;
  --bg-white:  #ffffff;
  --text:      #1d1d1f;
  --text-sub:  #6e6e73;
  --accent:    #0071e3;
  --accent-hv: #0077ed;
  --border:    #d2d2d7;
  --radius:    18px;
  --shadow:    0 8px 40px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,245,247,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 52px;
}
nav .logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
nav .logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}
nav .nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
nav .nav-links a {
  font-size: 14px;
  color: var(--text-sub);
  text-decoration: none;
  transition: color .2s;
}
nav .nav-links a:hover,
nav .nav-links a.active { color: var(--text); }
nav .nav-cta {
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 980px;
  text-decoration: none;
  transition: background .2s;
}
nav .nav-cta:hover { background: var(--accent-hv); }

/* HELP LAYOUT */
.help-wrap {
  max-width: 1110px;
  margin: 0 auto;
  padding: 48px 5% 80px;
}

/* BREADCRUMB */
.breadcrumb {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-sub); }

/* ARTICLE HEADER */
.article-header { margin-bottom: 40px; }
.article-header .eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin-bottom: 14px;
}
.article-header .meta {
  font-size: 14px;
  color: var(--text-sub);
}

/* ARTICLE BODY */
.article-body { font-size: 17px; line-height: 1.65; color: var(--text); }
.article-body p { margin-bottom: 20px; }
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.article-body a { color: var(--accent); text-decoration: none; }
.article-body a:hover { text-decoration: underline; }

/* STEPS */
.steps-list {
  list-style: none;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.steps-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.step-content { flex: 1; }
.step-content strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.6;
}

/* CALLOUT */
.callout {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  font-size: 15px;
  color: var(--text-sub);
  margin: 24px 0;
  line-height: 1.6;
}
.callout strong { color: var(--text); }

/* RELATED */
.related {
  border-top: 1px solid var(--border);
  margin-top: 56px;
  padding-top: 36px;
}
.related h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.related-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.related-links a {
  font-size: 15px;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-links a::before { content: "→"; }
.related-links a:hover { text-decoration: underline; }

/* HELP INDEX */
.help-index-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.help-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: box-shadow .2s, border-color .2s;
}
.help-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.help-card-text strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.help-card-text span {
  font-size: 14px;
  color: var(--text-sub);
}
.help-card-arrow {
  font-size: 18px;
  color: var(--text-sub);
  flex-shrink: 0;
}

/* FOOTER */
footer {
  background: #1d1d1f;
  color: #a1a1a6;
  padding: 40px 5%;
  text-align: center;
}
footer .footer-logo {
  font-size: 17px;
  font-weight: 600;
  color: #f5f5f7;
  margin-bottom: 10px;
}
footer p { font-size: 13px; line-height: 1.8; }
footer a { color: #a1a1a6; text-decoration: none; }
footer a:hover { color: #f5f5f7; }

@media (max-width: 768px) {
  nav .nav-links { display: none; }
}