:root {
  --ink: #11110f;
  --paper: #f5f5f2;
  --white: #ffffff;
  --muted: #686862;
  --line: #cecec7;
  --soft: #e8e8e2;
  --max: 1440px;
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 100; padding: .8rem 1rem; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; max-width: var(--max); margin: 0 auto; padding: 0 3.5rem; border-bottom: 1px solid var(--line); }
.wordmark { font-size: .76rem; font-weight: 800; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: 2rem; font-size: .78rem; }
.site-nav a, .footer-links a { color: var(--muted); transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible, .footer-links a:hover, .footer-links a:focus-visible { color: var(--ink); }
.menu-button { display: none; border: 0; background: none; color: var(--ink); padding: .5rem 0; }

.hero { min-height: 720px; max-width: var(--max); margin: 0 auto; padding: 7rem 3.5rem 3rem; display: grid; grid-template-rows: auto 1fr auto; }
.eyebrow { margin: 0 0 1.5rem; font-size: .67rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.hero h1 { align-self: center; margin: 0; max-width: 1000px; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(5rem, 11.8vw, 11.5rem); line-height: .78; letter-spacing: -.065em; font-weight: 400; }
.hero-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 3rem; }
.hero-bottom p { max-width: 510px; margin: 0; font-size: clamp(1.1rem, 1.8vw, 1.55rem); line-height: 1.35; letter-spacing: -.02em; }
.text-link { display: inline-flex; align-items: center; gap: 1rem; padding-bottom: .45rem; border-bottom: 1px solid var(--ink); font-size: .78rem; font-weight: 700; letter-spacing: .04em; }

.disclosure { background: var(--ink); color: var(--white); }
.disclosure p { max-width: var(--max); margin: 0 auto; padding: 1.3rem 3.5rem; font-size: .72rem; line-height: 1.5; }

.edit-section, .comparison, .method { max-width: var(--max); margin: 0 auto; padding: 9rem 3.5rem; }
.section-intro { display: grid; grid-template-columns: minmax(170px, .6fr) 2fr 1.2fr; gap: 3rem; align-items: start; margin-bottom: 6rem; }
.section-intro h2, .method h2 { margin: 0; max-width: 670px; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(3rem, 6vw, 6.2rem); line-height: .92; letter-spacing: -.045em; font-weight: 400; }
.section-intro > p:last-child { margin: .3rem 0 0; max-width: 410px; color: var(--muted); font-size: .98rem; line-height: 1.6; }
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; }
.filter { border: 1px solid var(--line); border-radius: 99px; background: transparent; color: var(--muted); padding: .65rem 1rem; cursor: pointer; font-size: .72rem; }
.filter:hover, .filter:focus-visible, .filter.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { min-width: 0; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-card[hidden] { display: none; }
.product-visual { position: relative; min-height: 420px; overflow: hidden; display: grid; place-items: center; margin-bottom: 1.5rem; background: var(--soft); border: 1px solid #deded8; }
.product-visual span { position: absolute; top: 1rem; left: 1rem; z-index: 2; font-size: .65rem; letter-spacing: .1em; }
.product-visual b { position: relative; z-index: 2; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(3rem, 6vw, 6.5rem); font-weight: 400; letter-spacing: -.06em; }
.visual-grid { background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 44px 44px; }
.visual-rings::before, .visual-rings::after { content: ''; position: absolute; width: 250px; height: 330px; border: 2px solid var(--ink); border-radius: 50%; }
.visual-rings::before { transform: translateX(-78px) rotate(-12deg); }
.visual-rings::after { transform: translateX(78px) rotate(12deg); }
.visual-frame::before { content: ''; position: absolute; inset: 15%; border: 12px solid var(--ink); box-shadow: inset 0 0 0 1px var(--paper); }
.visual-wave { background: repeating-radial-gradient(circle at center, var(--paper) 0 13px, var(--line) 14px 15px, var(--paper) 16px 29px); }
.visual-soft::before { content: ''; position: absolute; width: 70%; aspect-ratio: 1; background: var(--ink); border-radius: 45% 55% 60% 40%; filter: blur(1px); transform: rotate(20deg); }
.visual-soft b { color: var(--white); }
.visual-tablet::before { content: ''; position: absolute; width: 67%; height: 75%; border: 7px solid var(--ink); border-radius: 18px; transform: rotate(-8deg); background: linear-gradient(135deg, transparent 49.5%, var(--ink) 50%, transparent 50.5%); }
.visual-monitor::before { content: ''; position: absolute; width: 72%; height: 60%; border: 8px solid var(--ink); box-shadow: 0 48px 0 -20px var(--ink); }
.visual-flight::before, .visual-flight::after { content: ''; position: absolute; width: 75%; height: 2px; background: var(--ink); }
.visual-flight::before { transform: rotate(22deg); }
.visual-flight::after { transform: rotate(-22deg); }
.visual-pocket::before { content: ''; position: absolute; width: 120px; height: 280px; border: 6px solid var(--ink); border-radius: 30px; transform: rotate(8deg); }
.visual-screen::before { content: ''; position: absolute; width: 82%; height: 70%; background: var(--ink); box-shadow: 14px 14px 0 var(--paper), 15px 15px 0 1px var(--ink); }
.visual-screen b { color: var(--white); }
.product-meta { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; color: var(--muted); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.product-card h3 { margin: 0 0 1rem; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2rem, 3vw, 3.5rem); line-height: .98; letter-spacing: -.035em; font-weight: 400; }
.product-card > p { max-width: 560px; min-height: 4.7em; margin: 0 0 2rem; color: var(--muted); font-size: .92rem; line-height: 1.55; }
.affiliate-link { display: flex; align-items: center; gap: .55rem; width: 100%; margin: 0 0 1rem; padding: .9rem 1rem; background: var(--ink); color: var(--white); font-size: .76rem; font-weight: 700; transition: background .2s ease, color .2s ease; }
.affiliate-link span { margin-left: .1rem; color: #bdbdb6; font-size: .66rem; font-weight: 400; }
.affiliate-link b { margin-left: auto; font-size: 1rem; font-weight: 400; }
.affiliate-link:hover, .affiliate-link:focus-visible { background: var(--white); color: var(--ink); outline: 1px solid var(--ink); }
.affiliate-link:hover span, .affiliate-link:focus-visible span { color: var(--muted); }
.product-card details { border-top: 1px solid var(--line); }
.product-card summary { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0 .2rem; cursor: pointer; list-style: none; font-size: .74rem; font-weight: 700; }
.product-card summary::-webkit-details-marker { display: none; }
.product-card summary::after { content: '+'; font-size: 1rem; font-weight: 400; }
.product-card details[open] summary::after { content: '−'; }
.details-body { padding: .7rem 0 .2rem; }
.details-body p { margin: 0 0 .7rem; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.details-body strong { color: var(--ink); }

.comparison { border-top: 1px solid var(--line); }
.section-intro.compact { grid-template-columns: minmax(170px, .6fr) 3.2fr; }
.comparison-list { margin-left: calc(21% + 2rem); border-top: 1px solid var(--ink); }
.comparison-list article { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.comparison-list article > span { font-size: .65rem; }
.comparison-list h3 { margin: 0 0 .5rem; font-size: 1rem; }
.comparison-list p { max-width: 730px; margin: 0; color: var(--muted); line-height: 1.6; }

.method { display: grid; grid-template-columns: 1fr 1.2fr; gap: 7rem; background: var(--ink); color: var(--white); max-width: none; padding-left: max(3.5rem, calc((100vw - var(--max)) / 2 + 3.5rem)); padding-right: max(3.5rem, calc((100vw - var(--max)) / 2 + 3.5rem)); }
.method-copy { padding-top: 2.5rem; }
.method-copy p { max-width: 640px; margin: 0 0 2rem; color: #c9c9c2; font-size: 1.05rem; line-height: 1.7; }

.site-footer { max-width: var(--max); margin: 0 auto; padding: 4rem 3.5rem 2rem; display: grid; grid-template-columns: 1fr auto; gap: 4rem; }
.site-footer > div:first-child p { margin: 1rem 0 0; color: var(--muted); font-size: .78rem; }
.footer-links { display: flex; gap: 2rem; font-size: .75rem; }
.legal { grid-column: 1 / -1; padding-top: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .67rem; line-height: 1.55; }

.policy-page { max-width: 900px; margin: 0 auto; padding: 8rem 3.5rem 10rem; }
.policy-page > h1 { margin: 0 0 1.5rem; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(3.5rem, 8vw, 7rem); line-height: .9; letter-spacing: -.05em; font-weight: 400; }
.policy-date { margin: 0 0 7rem; color: var(--muted); font-size: .75rem; }
.policy-page section { display: grid; grid-template-columns: 200px 1fr; gap: 3rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.policy-page h2 { margin: 0; font-size: .85rem; }
.policy-page section p { margin: 0 0 1rem; color: var(--muted); line-height: 1.7; }
.policy-return { margin-top: 4rem; }
.policy-footer { display: block; }
.policy-footer .legal { display: block; }

@media (max-width: 900px) {
  .site-header { padding: 0 1.25rem; min-height: 70px; }
  .menu-button { display: block; }
  .site-nav:not(.privacy-nav) { display: none; position: absolute; z-index: 10; top: 70px; left: 0; right: 0; padding: 1.5rem 1.25rem; flex-direction: column; align-items: flex-start; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .privacy-nav { font-size: .72rem; }
  .hero { min-height: calc(100svh - 70px); padding: 4rem 1.25rem 2rem; }
  .hero h1 { font-size: clamp(4rem, 20vw, 7rem); }
  .hero-bottom { align-items: flex-start; flex-direction: column; gap: 2rem; }
  .disclosure p { padding: 1.15rem 1.25rem; }
  .edit-section, .comparison { padding: 6rem 1.25rem; }
  .section-intro, .section-intro.compact { grid-template-columns: 1fr; gap: 1rem; margin-bottom: 4rem; }
  .section-intro > p:last-child { margin-top: 1rem; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { padding: 1rem; }
  .product-visual { min-height: 350px; }
  .product-card > p { min-height: 0; }
  .comparison-list { margin-left: 0; }
  .comparison-list article { grid-template-columns: 42px 1fr; gap: 1rem; }
  .method { grid-template-columns: 1fr; gap: 2rem; padding: 6rem 1.25rem; }
  .method-copy { padding-top: 0; }
  .site-footer { padding: 3rem 1.25rem 2rem; grid-template-columns: 1fr; gap: 2rem; }
  .footer-links { flex-direction: column; gap: 1rem; }
  .policy-page { padding: 5rem 1.25rem 7rem; }
  .policy-date { margin-bottom: 5rem; }
  .policy-page section { grid-template-columns: 1fr; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}