/* OptiPlax - clarity.css
   Methodology: opx- prefixed BEM (block__element--modifier) + @layer cascade + :root tokens
   Archetype: Minimal Scandinavian | Palette: Optic Clarity (ink-navy / cornflower / apricot / porcelain) */

@layer reset, tokens, base, layout, components, sections, utilities, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
  ul[class], ol[class] { list-style: none; padding: 0; }
  img { max-width: 100%; display: block; height: auto; }
  a { color: inherit; }
  button, input, textarea, select { font: inherit; color: inherit; }
  table { border-collapse: collapse; width: 100%; }
}

@layer tokens {
  :root {
    --ink: #16243f;
    --navy: #1d3360;
    --navy-deep: #142544;
    --blue: #3a6cd0;
    --blue-soft: #6f97e6;
    --sky: #e8eef9;
    --sky-deep: #d7e2f6;
    --apricot: #e0843f;
    --apricot-soft: #f4b988;
    --apricot-wash: #fbeede;
    --paper: #ffffff;
    --porcelain: #f6f8fc;
    --line: #e3e9f3;
    --line-strong: #cdd7e8;
    --muted: #5b6a86;
    --ok: #3f8f5e;

    --ff-head: "Literata", Georgia, "Times New Roman", serif;
    --ff-body: "Sofia Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

    --wrap: 1120px;
    --wrap-narrow: 820px;
    --r-sm: 8px;
    --r: 14px;
    --r-lg: 22px;
    --pill: 999px;
    --shadow: 0 1px 2px rgba(20,37,68,.04), 0 8px 28px rgba(20,37,68,.06);
    --shadow-soft: 0 1px 2px rgba(20,37,68,.05);
    --gap: clamp(1.5rem, 4vw, 3rem);
  }
}

@layer base {
  body {
    font-family: var(--ff-body);
    color: var(--ink);
    background: var(--porcelain);
    line-height: 1.65;
    font-size: 1.0625rem;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, h4 { font-family: var(--ff-head); line-height: 1.18; font-weight: 600; color: var(--navy-deep); letter-spacing: -.01em; }
  h1 { font-size: clamp(2rem, 5vw, 3.05rem); }
  h2 { font-size: clamp(1.55rem, 3.4vw, 2.25rem); }
  h3 { font-size: clamp(1.2rem, 2.2vw, 1.45rem); }
  p { margin-bottom: 1rem; }
  a { color: var(--blue); text-decoration-color: rgba(58,108,208,.35); text-underline-offset: 3px; }
  a:hover { text-decoration-color: currentColor; }
  strong { font-weight: 600; color: var(--navy-deep); }
  :focus-visible { outline: 3px solid var(--blue-soft); outline-offset: 2px; border-radius: 3px; }
  ::selection { background: var(--apricot-soft); color: var(--navy-deep); }
}

@layer layout {
  .opx-wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
  .opx-wrap--narrow { width: min(100% - 2.5rem, var(--wrap-narrow)); margin-inline: auto; }
  .opx-section { padding-block: clamp(2.75rem, 6vw, 4.75rem); }
  .opx-section--tint { background: var(--paper); }
  .opx-section--sky { background: linear-gradient(180deg, var(--sky) 0%, var(--porcelain) 100%); }
  main { display: block; }
  .opx-stack > * + * { margin-top: 1rem; }
  .opx-grid { display: grid; gap: var(--gap); }
}

@layer components {
  /* Skip link */
  .opx-skip { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: .65rem 1rem; border-radius: 0 0 var(--r-sm) 0; z-index: 200; }
  .opx-skip:focus { left: 0; }

  /* Ribbon */
  .opx-ribbon { background: var(--navy-deep); color: #dfe8fb; font-size: .82rem; text-align: center; padding: .5rem 1rem; letter-spacing: .02em; }
  .opx-ribbon strong { color: #fff; }

  /* Header */
  .opx-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
  .opx-header__row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; }
  .opx-brand { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--ff-head); font-weight: 600; font-size: 1.35rem; color: var(--navy-deep); text-decoration: none; letter-spacing: -.02em; }
  .opx-brand__mark { width: 30px; height: 30px; flex: none; }
  .opx-brand span { color: var(--apricot); }
  .opx-nav { display: flex; align-items: center; gap: .35rem; }
  .opx-nav__link { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .98rem; padding: .5rem .7rem; border-radius: var(--r-sm); }
  .opx-nav__link:hover { background: var(--sky); color: var(--navy-deep); }
  .opx-nav__link[aria-current="page"] { color: var(--blue); background: var(--sky); }
  .opx-burger { display: none; background: var(--sky); border: 1px solid var(--line-strong); border-radius: var(--r-sm); width: 44px; height: 44px; cursor: pointer; align-items: center; justify-content: center; }
  .opx-burger svg { width: 22px; height: 22px; stroke: var(--navy-deep); }

  /* Buttons */
  .opx-btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; font-family: var(--ff-body); text-decoration: none; padding: .8rem 1.4rem; border-radius: var(--pill); border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, box-shadow .2s ease, background .2s ease; line-height: 1.2; }
  .opx-btn--primary { background: var(--navy); color: #fff; box-shadow: 0 8px 20px rgba(29,51,96,.22); }
  .opx-btn--primary:hover { background: var(--navy-deep); transform: translateY(-1px); }
  .opx-btn--accent { background: var(--apricot); color: #2a1c0c; box-shadow: 0 8px 20px rgba(224,132,63,.28); }
  .opx-btn--accent:hover { background: #d2772f; transform: translateY(-1px); color: #2a1c0c; }
  .opx-btn--ghost { background: transparent; color: var(--navy-deep); border-color: var(--line-strong); }
  .opx-btn--ghost:hover { background: var(--sky); }
  .opx-btn--block { width: 100%; }
  .opx-btn--lg { padding: .95rem 1.7rem; font-size: 1.05rem; }

  /* Badges */
  .opx-badges { display: flex; flex-wrap: wrap; gap: .5rem .65rem; }
  .opx-badge { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 600; color: var(--navy-deep); background: var(--paper); border: 1px solid var(--line); border-radius: var(--pill); padding: .35rem .7rem; }
  .opx-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--apricot); }
  .opx-badge--plain::before { display: none; }

  /* Breadcrumb */
  .opx-crumb { font-size: .85rem; color: var(--muted); padding-block: .85rem; border-bottom: 1px solid var(--line); background: var(--paper); }
  .opx-crumb a { text-decoration: none; }
  .opx-crumb span { color: var(--ink); font-weight: 600; }

  /* Card */
  .opx-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 1.5rem; box-shadow: var(--shadow-soft); }
  .opx-card__eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--apricot); margin-bottom: .5rem; }
  .opx-card__num { font-family: var(--ff-head); font-size: 1.6rem; color: var(--blue-soft); display: block; margin-bottom: .35rem; }

  /* Eyebrow / section heading */
  .opx-eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--apricot); margin-bottom: .6rem; }
  .opx-lead { font-size: 1.15rem; color: var(--muted); }

  /* Key facts table / dl */
  .opx-keyfacts { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-soft); }
  .opx-keyfacts caption { text-align: left; font-family: var(--ff-head); font-weight: 600; color: var(--navy-deep); padding: 1rem 1.25rem .25rem; font-size: 1.15rem; caption-side: top; }
  .opx-keyfacts th, .opx-keyfacts td { text-align: left; padding: .7rem 1.25rem; border-top: 1px solid var(--line); vertical-align: top; font-size: .98rem; }
  .opx-keyfacts th { width: 42%; color: var(--muted); font-weight: 600; }
  .opx-keyfacts td { color: var(--navy-deep); font-weight: 500; }

  /* TL;DR */
  .opx-tldr { background: var(--apricot-wash); border: 1px solid var(--apricot-soft); border-radius: var(--r); padding: 1.25rem 1.4rem; }
  .opx-tldr__label { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--apricot); margin-bottom: .4rem; }
  .opx-tldr p:last-child { margin-bottom: 0; }

  /* Takeaways */
  .opx-takeaways { background: var(--navy-deep); color: #e7eefb; border-radius: var(--r-lg); padding: clamp(1.5rem, 4vw, 2.4rem); }
  .opx-takeaways h2 { color: #fff; }
  .opx-takeaways ul { display: grid; gap: .85rem; margin-top: 1.1rem; }
  .opx-takeaways li { display: flex; gap: .7rem; align-items: flex-start; }
  .opx-takeaways li::before { content: ""; flex: none; width: 10px; height: 10px; margin-top: .5rem; border-radius: 50%; background: var(--apricot); }

  /* Q&A */
  .opx-qa { border-top: 1px solid var(--line); padding-top: 1.4rem; margin-top: 1.4rem; }
  .opx-qa:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
  .opx-qa h3 { margin-bottom: .35rem; }
  .opx-qa__answer { font-weight: 500; color: var(--navy-deep); }

  /* Pillars / formula */
  .opx-pillar { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 1.6rem; box-shadow: var(--shadow-soft); }
  .opx-pillar__tag { font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }
  .opx-pillar h3 { margin: .3rem 0 .8rem; }
  .opx-dose { display: flex; justify-content: space-between; gap: 1rem; padding: .6rem 0; border-top: 1px dashed var(--line-strong); }
  .opx-dose:first-of-type { border-top: 0; }
  .opx-dose__name { font-weight: 600; color: var(--navy-deep); }
  .opx-dose__amt { font-variant-numeric: tabular-nums; color: var(--apricot); font-weight: 700; white-space: nowrap; }

  /* Data table */
  .opx-table { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-soft); }
  .opx-table th, .opx-table td { padding: .75rem 1rem; border-top: 1px solid var(--line); text-align: left; font-size: .96rem; }
  .opx-table thead th { background: var(--sky); color: var(--navy-deep); border-top: 0; font-weight: 700; }
  .opx-table tbody th { font-weight: 600; color: var(--navy-deep); }
  .opx-table td { color: var(--ink); }
  .opx-table--center td, .opx-table--center th { text-align: center; }
  .opx-table--center thead th:first-child, .opx-table--center tbody th { text-align: left; }

  /* Verify / batch dl-grid */
  .opx-verify { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
  .opx-verify__cell { background: var(--paper); padding: 1rem 1.15rem; }
  .opx-verify__k { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
  .opx-verify__v { font-weight: 600; color: var(--navy-deep); margin-top: .2rem; font-variant-numeric: tabular-nums; }

  /* Pricing */
  .opx-prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; align-items: stretch; }
  .opx-price { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.75rem 1.5rem; display: flex; flex-direction: column; box-shadow: var(--shadow-soft); }
  .opx-price--featured { border-color: var(--apricot); box-shadow: 0 14px 40px rgba(224,132,63,.18); }
  @media (min-width: 781px) { .opx-price--featured { transform: translateY(-12px); } }
  .opx-price__flag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--apricot); color: #2a1c0c; font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .3rem .9rem; border-radius: var(--pill); white-space: nowrap; }
  .opx-price__name { font-family: var(--ff-head); font-size: 1.25rem; color: var(--navy-deep); }
  .opx-price__qty { font-size: .92rem; color: var(--muted); margin-top: .15rem; }
  .opx-price__img { margin: 1rem auto; max-height: 168px; width: auto; }
  .opx-price__per { display: flex; align-items: baseline; gap: .3rem; justify-content: center; }
  .opx-price__cur { font-size: 1.4rem; color: var(--navy-deep); font-weight: 700; }
  .opx-price__num { font-family: var(--ff-head); font-size: 3rem; line-height: 1; color: var(--navy-deep); font-weight: 600; }
  .opx-price__unit { font-size: .9rem; color: var(--muted); }
  .opx-price__was { text-align: center; color: var(--muted); margin: .35rem 0 0; }
  .opx-price__was s { color: #aab4c8; }
  .opx-price__save { display: inline-block; margin: .6rem auto; background: var(--sky); color: var(--navy-deep); font-weight: 700; font-size: .9rem; padding: .35rem .85rem; border-radius: var(--pill); }
  .opx-price--featured .opx-price__save { background: var(--apricot-wash); color: var(--apricot); }
  .opx-price__list { margin: .5rem 0 1.2rem; display: grid; gap: .5rem; font-size: .92rem; color: var(--ink); }
  .opx-price__list li { display: flex; gap: .5rem; align-items: flex-start; }
  .opx-price__list li::before { content: "✓"; color: var(--ok); font-weight: 700; }
  .opx-price__cta { margin-top: auto; }
  .opx-price__ship { text-align: center; font-size: .82rem; color: var(--muted); margin-top: .6rem; }

  /* Testimonials */
  .opx-quote { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 1.5rem; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: .9rem; }
  .opx-quote__stars { color: var(--apricot); letter-spacing: .1em; font-size: .95rem; }
  .opx-quote__text { color: var(--ink); }
  .opx-quote__who { display: flex; align-items: center; gap: .7rem; margin-top: auto; }
  .opx-quote__avatar { flex: none; width: 42px; height: 42px; border-radius: 50%; background: var(--sky-deep); color: var(--navy-deep); font-weight: 700; display: grid; place-items: center; font-size: .9rem; }
  .opx-quote__name { font-weight: 700; color: var(--navy-deep); font-size: .95rem; line-height: 1.2; }
  .opx-quote__meta { font-size: .8rem; color: var(--muted); }
  .opx-quote__verified { font-size: .72rem; color: var(--ok); font-weight: 700; }

  /* Stats */
  .opx-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; }
  .opx-stat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 1.1rem; text-align: center; box-shadow: var(--shadow-soft); }
  .opx-stat__num { font-family: var(--ff-head); font-size: 2rem; color: var(--navy-deep); line-height: 1; }
  .opx-stat__lab { font-size: .85rem; color: var(--muted); margin-top: .35rem; }

  /* Bars (themes / star distribution) */
  .opx-bar { margin-bottom: .7rem; }
  .opx-bar__top { display: flex; justify-content: space-between; font-size: .9rem; margin-bottom: .25rem; }
  .opx-bar__top span:last-child { font-weight: 700; color: var(--navy-deep); font-variant-numeric: tabular-nums; }
  .opx-bar__track { height: 10px; background: var(--sky); border-radius: var(--pill); overflow: hidden; }
  .opx-bar__fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--blue-soft)); border-radius: var(--pill); }
  .opx-bar__fill--warm { background: linear-gradient(90deg, var(--apricot), var(--apricot-soft)); }

  /* Rating big */
  .opx-ratingbig { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
  .opx-ratingbig__score { font-family: var(--ff-head); font-size: 3.5rem; color: var(--navy-deep); line-height: 1; }
  .opx-ratingbig__stars { color: var(--apricot); font-size: 1.3rem; letter-spacing: .1em; }

  /* Criteria */
  .opx-criteria { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .9rem 2rem; }

  /* FAQ details */
  .opx-faq { display: grid; gap: .75rem; }
  .opx-faq details { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 0 1.25rem; box-shadow: var(--shadow-soft); }
  .opx-faq summary { cursor: pointer; font-weight: 600; color: var(--navy-deep); padding: 1.05rem 0; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
  .opx-faq summary::-webkit-details-marker { display: none; }
  .opx-faq summary::after { content: "+"; font-size: 1.4rem; color: var(--apricot); flex: none; }
  .opx-faq details[open] summary::after { content: "-"; }
  .opx-faq details[open] summary { border-bottom: 1px solid var(--line); }
  .opx-faq__body { padding: 1rem 0 1.2rem; color: var(--ink); }
  .opx-faq__body p:last-child { margin-bottom: 0; }

  /* Byline */
  .opx-byline { font-size: .88rem; color: var(--muted); border-left: 3px solid var(--apricot-soft); padding-left: .85rem; }
  .opx-byline strong { color: var(--navy-deep); }

  /* Note / callout */
  .opx-note { background: var(--sky); border: 1px solid var(--sky-deep); border-radius: var(--r); padding: 1.1rem 1.25rem; font-size: .95rem; }
  .opx-note--warn { background: var(--apricot-wash); border-color: var(--apricot-soft); }

  /* Glossary */
  .opx-gloss dt { font-weight: 700; color: var(--navy-deep); margin-top: 1rem; }
  .opx-gloss dd { color: var(--ink); margin-left: 0; }

  /* Form */
  .opx-field { margin-bottom: 1rem; }
  .opx-field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; color: var(--navy-deep); }
  .opx-field input, .opx-field textarea, .opx-field select { width: 100%; padding: .7rem .85rem; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--paper); }
  .opx-field input:focus, .opx-field textarea:focus { border-color: var(--blue); }

  /* Footer */
  .opx-footer { background: var(--navy-deep); color: #c7d3ea; padding-block: 3rem 1.5rem; font-size: .92rem; }
  .opx-footer a { color: #c7d3ea; text-decoration: none; }
  .opx-footer a:hover { color: #fff; text-decoration: underline; }
  .opx-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; }
  .opx-footer h4 { color: #fff; font-size: .95rem; margin-bottom: .8rem; letter-spacing: .02em; }
  .opx-footer ul { display: grid; gap: .5rem; }
  .opx-footer__brand { font-family: var(--ff-head); font-size: 1.3rem; color: #fff; margin-bottom: .6rem; }
  .opx-footer__brand span { color: var(--apricot-soft); }
  .opx-footer__legal { border-top: 1px solid rgba(255,255,255,.13); margin-top: 2.25rem; padding-top: 1.4rem; font-size: .8rem; color: #93a3c4; display: grid; gap: .7rem; }
  .opx-footer__disclaim { line-height: 1.6; }
}

@layer sections {
  /* Hero - split */
  .opx-hero { background: linear-gradient(160deg, var(--sky) 0%, var(--porcelain) 62%); position: relative; overflow: hidden; }
  .opx-hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; padding-block: clamp(2.5rem, 6vw, 4.5rem); }
  .opx-hero__sub { font-size: 1.18rem; color: var(--muted); margin: 1rem 0 1.4rem; max-width: 36ch; }
  .opx-hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
  .opx-hero__media { position: relative; display: grid; place-items: center; }
  .opx-hero__media img { filter: drop-shadow(0 26px 40px rgba(20,37,68,.22)); max-height: 460px; }
  .opx-hero__sprig { position: absolute; inset: 0; pointer-events: none; opacity: .5; }
  .opx-hero__portal { font-size: .96rem; color: var(--navy-deep); background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--apricot); border-radius: var(--r-sm); padding: .8rem 1rem; margin-top: 1.4rem; }
  .opx-hero__trust { display: flex; gap: 1.4rem; flex-wrap: wrap; margin-top: 1.4rem; font-size: .85rem; color: var(--muted); }
  .opx-hero__trust b { color: var(--navy-deep); }

  .opx-pillarsbar { background: var(--navy-deep); color: #e7eefb; }
  .opx-pillarsbar__grid { display: flex; justify-content: space-around; gap: 1.5rem; flex-wrap: wrap; padding-block: 1.4rem; text-align: center; }
  .opx-pillarsbar__item { display: flex; align-items: center; gap: .6rem; font-weight: 600; }
  .opx-pillarsbar__item svg { width: 26px; height: 26px; stroke: var(--apricot-soft); flex: none; }

  .opx-section__head { max-width: 60ch; margin-bottom: 2rem; }
  .opx-section__head--center { margin-inline: auto; text-align: center; }
}

@layer utilities {
  .u-center { text-align: center; }
  .u-mt-0 { margin-top: 0; }
  .u-mt { margin-top: 1.5rem; }
  .u-mt-lg { margin-top: 2.5rem; }
  .u-mb { margin-bottom: 1.5rem; }
  .u-muted { color: var(--muted); }
  .u-narrow { max-width: 62ch; }
  .u-narrow-c { max-width: 62ch; margin-inline: auto; }
  .u-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
  .u-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
  .u-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
  .u-items-center { align-items: center; }
  .u-last { font-size: .85rem; color: var(--muted); font-style: italic; }
  .u-hide { display: none; }
  .u-flag-pop { animation: none; }
}

@layer responsive {
  @media (max-width: 980px) {
    .opx-footer__grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .u-grid-4 { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 860px) {
    .opx-hero__grid { grid-template-columns: 1fr; }
    .opx-hero__media { order: -1; }
    .opx-hero__media img { max-height: 340px; }
    .u-grid-3, .u-grid-2 { grid-template-columns: 1fr; }
  }
  @media (max-width: 780px) {
    .opx-nav { position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px); background: var(--paper); flex-direction: column; align-items: stretch; padding: 5rem 1.25rem 2rem; box-shadow: -10px 0 40px rgba(20,37,68,.18); transform: translateX(100%); transition: transform .25s ease; gap: .25rem; }
    .opx-nav[data-open="true"] { transform: translateX(0); }
    .opx-nav__link { padding: .8rem .6rem; border-bottom: 1px solid var(--line); border-radius: 0; }
    .opx-nav .opx-btn { margin-top: .8rem; }
    .opx-burger { display: inline-flex; }
    .opx-prices { grid-template-columns: 1fr; }
    .opx-price--featured { transform: none; order: -1; }
    .opx-criteria { grid-template-columns: 1fr; }
  }
  @media (max-width: 460px) {
    .opx-footer__grid { grid-template-columns: 1fr; }
    .u-grid-4 { grid-template-columns: 1fr; }
    .opx-ratingbig__score { font-size: 2.8rem; }
  }
  @media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; }
  }
}