/* Site-wide design (matches homepage) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 10px 16px; background: #10b981; color: #fff; font-weight: 600; text-decoration: none; border-radius: 8px; z-index: 10001; transition: top 0.2s ease; }
.skip-link:focus { top: 16px; outline: 2px solid #059669; outline-offset: 2px; }
:root {
  --text: #111;
  --muted: #666;
  --light: #999;
  --border: #e5e5e5;
  --bg: #fff;
  --tinted: #f7f7f5;
  --radius: 4px;
  --max: 940px;
  --pad: clamp(20px, 5vw, 64px);
}
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

/* Nav */
nav { border-bottom: 1px solid var(--border); padding: env(safe-area-inset-top, 0) var(--pad) 0; position: sticky; top: 0; z-index: 1020; background: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.nav-inner { max-width: var(--max); margin: 0 auto; height: 52px; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); display: flex; align-items: center; }
.logo img { height: 28px; width: auto; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { font-size: 13.5px; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { font-size: 13px; font-weight: 500; background: var(--text); color: #fff; padding: 8px 18px; border-radius: var(--radius); white-space: nowrap; transition: opacity 0.15s; }
.nav-cta:hover { opacity: 0.82; }

.page { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.breadcrumb { font-size: 13px; color: var(--muted); padding: 20px 0 0; display: flex; gap: 6px; align-items: center; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { text-decoration: underline; }

/* Hero (homepage) */
.hero { padding: 52px 0 48px; border-bottom: 1px solid var(--border); }
.hero-eyebrow { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 12px; }
h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 14px; }
.hero-desc { font-size: 16px; color: var(--muted); line-height: 1.6; max-width: 480px; }
.btn-primary { display: inline-block; background: var(--text); color: #fff; font-size: 14px; font-weight: 500; padding: 11px 24px; border-radius: var(--radius); transition: opacity 0.15s; white-space: nowrap; }
.btn-primary:hover { opacity: 0.82; }
.btn-ghost { font-size: 13.5px; color: var(--muted); border-bottom: 1px solid var(--border); padding-bottom: 1px; transition: color 0.15s, border-color 0.15s; }
.btn-ghost:hover { color: var(--text); border-color: var(--text); }
.hero-guarantees { display: flex; gap: 20px; flex-wrap: wrap; padding-top: 20px; border-top: 1px solid var(--border); }
.g-item { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); }
.g-check { font-size: 10px; width: 17px; height: 17px; border: 1px solid #d0d0d0; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #444; }

/* Stats strip */
.stats-strip { border-bottom: 1px solid var(--border); background: var(--tinted); }
.stats-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); display: flex; }
.stat-cell { flex: 1; padding: 18px 20px; border-right: 1px solid var(--border); }
.stat-cell:first-child { padding-left: 0; }
.stat-cell:last-child { border-right: none; }
.stat-n { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; display: block; margin-bottom: 1px; }
.stat-l { font-size: 12px; color: var(--muted); }

/* Sections */
.section { padding: 48px 0; border-bottom: 1px solid var(--border); }
.s-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 16px; }
h2 { font-size: clamp(19px, 2.6vw, 24px); font-weight: 600; letter-spacing: -0.02em; margin-bottom: 8px; }
.s-intro { font-size: 15px; color: var(--muted); line-height: 1.6; max-width: 540px; margin-bottom: 28px; }

/* Steps grid */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.step { padding: 22px 20px; border-right: 1px solid var(--border); background: var(--bg); transition: background 0.15s; }
.step:last-child { border-right: none; }
.step:hover { background: var(--tinted); }
.step-n { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 12px; }
.step h3 { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; letter-spacing: -0.01em; color: var(--text); }
.step p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* Diff grid */
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.diff-cell { background: var(--bg); padding: 22px; transition: background 0.15s; }
.diff-cell:hover { background: var(--tinted); }
.diff-icon { font-size: 17px; margin-bottom: 9px; display: block; }
.diff-cell h3 { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 5px; }
.diff-cell p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* Compare table */
.compare-wrap { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table thead th { padding: 12px 16px; text-align: left; font-weight: 600; font-size: 12.5px; background: var(--tinted); border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }
table thead th:last-child { border-right: none; }
table tbody td { padding: 11px 16px; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); color: var(--muted); vertical-align: middle; }
table tbody td:first-child { color: var(--text); font-weight: 500; }
table tbody td:last-child { border-right: none; background: #fafaf8; }
table tbody tr:last-child td { border-bottom: none; }
.tick { color: #2a7a4a; font-weight: 700; }
.cross { color: #ccc; }

/* Corridors */
.corridors { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.corridor { padding: 22px 20px; border-right: 1px solid var(--border); background: var(--bg); transition: background 0.15s; }
.corridor:last-child { border-right: none; }
.corridor:hover { background: var(--tinted); }
.c-flag { font-size: 20px; margin-bottom: 9px; display: block; }
.c-name { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.c-spec { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; color: var(--muted); margin-bottom: 8px; display: block; }
.corridor p { font-size: 13px; color: var(--muted); line-height: 1.55; margin-bottom: 12px; }
.c-link { font-size: 13px; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 1px; transition: border-color 0.15s; display: inline-block; }
.c-link:hover { border-color: var(--text); }
.c-cloud { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.c-tag { display: inline-flex; align-items: center; gap: 5px; font-size: 13.5px; background: var(--tinted); border: 1px solid var(--border); padding: 5px 12px; border-radius: 20px; transition: background 0.1s, border-color 0.1s; }
.c-tag:hover { background: #eee; border-color: #d5d5d5; }
.view-all { font-size: 13.5px; font-weight: 500; border-bottom: 1px solid var(--text); padding-bottom: 1px; display: inline-block; transition: opacity 0.15s; }
.view-all:hover { opacity: 0.6; }

/* Reviews */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 4px; }
.review { border: 1px solid var(--border); border-radius: 6px; padding: 18px; background: var(--tinted); }
.r-stars { font-size: 11px; letter-spacing: 2px; color: #c8920a; margin-bottom: 9px; }
.r-text { font-size: 13.5px; color: var(--muted); font-style: italic; line-height: 1.65; margin-bottom: 13px; }
.r-author { display: flex; align-items: center; gap: 9px; }
.r-avatar { width: 28px; height: 28px; background: var(--text); color: #fff; border-radius: 50%; font-size: 10px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.r-name { font-size: 13px; font-weight: 500; }
.r-doc { font-size: 12px; color: var(--muted); }

/* FAQ */
.faq { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-top: 4px; }
.faq-row { border-bottom: 1px solid var(--border); }
.faq-row:last-child { border-bottom: none; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 20px; background: none; border: none; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 500; color: var(--text); text-align: left; transition: background 0.1s; }
.faq-q:hover { background: var(--tinted); }
.faq-icon { font-size: 16px; color: var(--light); flex-shrink: 0; transition: transform 0.2s; line-height: 1; }
.faq-row.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 2px 20px 15px; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.faq-row.open .faq-a { display: block; }
details .faq-a { display: block; }

/* Bottom CTA */
.bottom-cta { padding: 36px 0; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.bottom-cta h2 { font-size: 18px; margin-bottom: 4px; }
.bottom-cta p { font-size: 13.5px; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 32px var(--pad) 24px; }
.footer-inner { max-width: var(--max); margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.footer-brand .logo { font-size: 14px; display: block; margin-bottom: 8px; }
.footer-brand p { font-size: 13px; color: var(--muted); line-height: 1.6; max-width: 220px; }
.footer-col h3,
.footer-col h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 12px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 7px; margin: 0; padding: 0; }
.footer-col a { font-size: 13.5px; color: var(--muted); transition: color 0.15s; }
.footer-col a:hover { color: var(--text); text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; gap: 8px; }

/* Hero images / article */
.hero-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 28px; }
.hero-img-wrap { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--tinted); line-height: 0; aspect-ratio: 1200 / 779; min-height: 0; }
.hero-img-wrap picture { display: block; width: 100%; height: 100%; }
.hero-img { width: 100%; height: 100%; object-fit: cover; display: block; vertical-align: top; }
.hero-price-inline { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin: 20px 0 0; flex-wrap: wrap; }
.hero-price-inline strong { color: var(--text); font-size: 15px; }
.full-img { width: 100%; height: auto; display: block; border: 1px solid var(--border); border-radius: 6px; }
.img-caption { font-size: 12px; color: var(--muted); margin-top: 8px; text-align: center; }
.specs-img-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.specs-img-block { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--tinted); }
.specs-img { width: 100%; height: auto; display: block; }
.specs-img-block .img-caption { padding: 6px 10px 8px; border-top: 1px solid var(--border); text-align: left; }

/* ── Guide article pages: g-nav / g-footer match main site ── */
.g-nav,
.guide-article-page .g-nav { border-bottom: 1px solid var(--border); padding: env(safe-area-inset-top, 0) var(--pad) 0; position: sticky; top: 0; z-index: 1020; background: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.g-nav-inner,
.guide-article-page .g-nav-inner { max-width: var(--max); margin: 0 auto; height: 52px; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.g-logo,
.guide-article-page .g-logo { display: flex; align-items: center; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); }
.g-logo img,
.guide-article-page .g-logo img { height: 28px; width: auto; }
.g-nav-links,
.guide-article-page .g-nav-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.g-nav-links a,
.guide-article-page .g-nav-links a { font-size: 13.5px; color: var(--muted); text-decoration: none; transition: color 0.15s; }
.g-nav-links a:hover,
.guide-article-page .g-nav-links a:hover { color: var(--text); }
.g-nav-cta,
.guide-article-page .g-nav-cta { font-size: 13px; font-weight: 500; background: var(--text); color: #fff; padding: 8px 18px; border-radius: var(--radius); white-space: nowrap; text-decoration: none; transition: opacity 0.15s; }
.g-nav-cta:hover,
.guide-article-page .g-nav-cta:hover { opacity: 0.82; }
.g-breadcrumb,
.guide-article-page .g-breadcrumb { font-size: 13px; color: var(--muted); padding: 20px var(--pad) 0; max-width: var(--max); margin: 0 auto; display: flex; gap: 6px; align-items: center; }
.g-breadcrumb a { color: var(--muted); text-decoration: none; }
.g-breadcrumb a:hover { text-decoration: underline; }
.g-footer,
.guide-article-page .g-footer { border-top: 1px solid var(--border); padding: 32px var(--pad) 24px; background: var(--bg); margin-top: 24px; }
.g-footer-inner,
.guide-article-page .g-footer-inner { max-width: var(--max); margin: 0 auto; }
.g-footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.guide-article-page .g-footer-top { grid-template-columns: 2fr 1fr 1fr; }
.g-footer-brand p,
.guide-article-page .g-footer-brand p { font-size: 13px; color: var(--muted); line-height: 1.6; max-width: 260px; margin: 0 0 8px; }
.g-footer-col h4,
.guide-article-page .g-footer-col h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin: 0 0 12px; }
.g-footer-col ul,
.guide-article-page .g-footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.g-footer-col a,
.guide-article-page .g-footer-col a { font-size: 13.5px; color: var(--muted); text-decoration: none; }
.g-footer-col a:hover,
.guide-article-page .g-footer-col a:hover { color: var(--text); text-decoration: underline; }
.g-footer-bottom,
.guide-article-page .g-footer-bottom { display: flex; justify-content: space-between; font-size: 12px; color: var(--light); flex-wrap: wrap; gap: 8px; }

@media (max-width: 760px) {
  .hero-top { grid-template-columns: 1fr; }
  .specs-img-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .corridors { grid-template-columns: 1fr; }
  .corridor { border-right: none; border-bottom: 1px solid var(--border); }
  .reviews { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .g-footer-top,
  .guide-article-page .g-footer-top { grid-template-columns: 1fr 1fr; }
  .stats-inner { flex-wrap: wrap; }
  .stat-cell { flex: 1 1 45%; border-bottom: 1px solid var(--border); }
}
@media (max-width: 520px) {
  .nav-links { display: none; }
  .g-nav-links,
  .guide-article-page .g-nav-links { display: none; }
  .steps { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .g-footer-top,
  .guide-article-page .g-footer-top { grid-template-columns: 1fr; }
  table { font-size: 12px; }
  table td, table th { padding: 9px 10px; }
}
@media (max-width: 400px) {
  .page { padding-left: 14px; padding-right: 14px; }
  nav { padding-left: 14px; padding-right: 14px; }
  .g-nav,
  .guide-article-page .g-nav { padding-left: 14px; padding-right: 14px; }
  .nav-inner { gap: 12px; min-height: 48px; }
  .g-nav-inner,
  .guide-article-page .g-nav-inner { gap: 12px; min-height: 48px; }
  .nav-cta { font-size: 12px; padding: 10px 14px; min-height: 44px; display: inline-flex; align-items: center; }
  .g-nav-cta,
  .guide-article-page .g-nav-cta { font-size: 12px; padding: 10px 14px; min-height: 44px; display: inline-flex; align-items: center; }
  .logo img { height: 24px; }
  .g-logo img,
  .guide-article-page .g-logo img { height: 24px; }
  .hero { padding: 36px 0 32px; }
  .hero-guarantees { gap: 10px; padding-top: 14px; }
  .g-item { font-size: 12px; }
  .stats-inner { padding-left: 14px; padding-right: 14px; }
  .stat-cell { flex: 1 1 100%; padding: 14px 12px; }
  .stat-n { font-size: 18px; }
  .section { padding: 32px 0; }
  .step { padding: 16px 12px; }
  .step-n { font-size: 10px; }
  .step h3 { font-size: 13px; }
  .step p { font-size: 12px; }
  .diff-cell { padding: 16px 14px; }
  .diff-cell h3 { font-size: 13px; }
  .diff-cell p { font-size: 12px; }
  .compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { font-size: 11px; min-width: 280px; }
  table td, table th { padding: 8px 10px; }
  .corridor { padding: 16px 14px; }
  .c-name { font-size: 13px; }
  .corridor p { font-size: 12px; }
  .bottom-cta { flex-direction: column; text-align: center; padding: 28px 0; gap: 16px; }
  .bottom-cta h2 { font-size: 17px; }
  .bottom-cta .btn-primary { width: 100%; max-width: 280px; min-height: 44px; justify-content: center; }
  footer { padding-left: 14px; padding-right: 14px; }
  .g-footer,
  .guide-article-page .g-footer { padding-left: 14px; padding-right: 14px; }
  .footer-top { gap: 20px; padding-bottom: 20px; }
  .g-footer-top,
  .guide-article-page .g-footer-top { gap: 20px; padding-bottom: 20px; }
  .footer-col a { font-size: 13px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 8px; }
  .g-footer-bottom,
  .guide-article-page .g-footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 8px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn-primary { min-height: 44px; justify-content: center; }
  .hero-actions .btn-ghost { text-align: center; }
}