@layer reset, base, components, sections, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p, ul, ol { margin: 0; }
  ul, ol { padding: 0; }
  img, svg { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; }
  a { color: inherit; }
  [hidden] { display: none !important; }
}

@layer base {
  :root {
    color-scheme: light dark;
    --bg: #f5f8fb;
    --bg-raised: #ffffff;
    --bg-soft: #edf3f8;
    --bg-deep: #172735;
    --text: #182733;
    --text-soft: #586b7b;
    --text-on-dark: #f6f9fc;
    --line: #d9e3eb;
    --line-strong: #bdccd8;
    --primary: #4d7396;
    --primary-strong: #315d82;
    --primary-soft: #dce9f3;
    --teal: #087c92;
    --green: #377866;
    --violet: #7567a5;
    --amber: #a76c1d;
    --shadow-sm: 0 8px 24px rgba(24, 39, 51, .07);
    --shadow-lg: 0 28px 70px rgba(24, 39, 51, .14);
    --radius-sm: .75rem;
    --radius-md: 1.2rem;
    --radius-lg: 1.8rem;
    --container: 1180px;
    --header-height: 76px;
    --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }

  :root[data-theme="dark"] {
    --bg: #0e171f;
    --bg-raised: #14212b;
    --bg-soft: #192a36;
    --bg-deep: #0a1218;
    --text: #edf4f8;
    --text-soft: #afc0cd;
    --line: #2a3d4b;
    --line-strong: #3b5262;
    --primary: #82acd0;
    --primary-strong: #a2c7e6;
    --primary-soft: #1d3a50;
    --teal: #61c1d2;
    --green: #7fc1ad;
    --violet: #b5a9dc;
    --amber: #e1b473;
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, .18);
    --shadow-lg: 0 28px 70px rgba(0, 0, 0, .32);
  }

  html { background: var(--bg); scroll-padding-top: calc(var(--header-height) + 1rem); }
  body {
    min-width: 320px;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; }
  h1 { font-size: clamp(2.65rem, 7vw, 5.4rem); }
  h2 { font-size: clamp(2rem, 4vw, 3.35rem); }
  h3 { font-size: 1.25rem; }
  p { color: var(--text-soft); }
  a { text-underline-offset: .2em; }
  :focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; border-radius: .2rem; }
  ::selection { background: var(--primary); color: #fff; }
  .container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
  .narrow { width: min(100% - 2rem, 860px); }
  .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; }
  .skip-link { position: fixed; z-index: 1000; top: .75rem; left: .75rem; padding: .7rem 1rem; background: var(--text); color: var(--bg); border-radius: .5rem; transform: translateY(-160%); transition: transform .2s; }
  .skip-link:focus { transform: translateY(0); }
}

@layer components {
  .site-header { position: sticky; z-index: 100; top: 0; height: var(--header-height); background: color-mix(in srgb, var(--bg) 88%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent); backdrop-filter: blur(16px); }
  .header-inner { position: relative; display: flex; align-items: center; gap: 1rem; height: 100%; }
  .brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--text); font-size: 1.22rem; font-weight: 760; text-decoration: none; letter-spacing: -.03em; }
  .brand img { width: 2.7rem; height: 2.7rem; border-radius: .78rem; box-shadow: var(--shadow-sm); }
  .site-nav { display: flex; align-items: center; gap: .15rem; margin-left: auto; }
  .site-nav a { padding: .55rem .75rem; color: var(--text-soft); border-radius: .6rem; font-size: .91rem; font-weight: 620; text-decoration: none; }
  .site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--bg-soft); color: var(--text); }
  .theme-control { display: flex; align-items: center; gap: .35rem; min-width: 0; margin-left: .4rem; padding: .35rem .45rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: .7rem; }
  .theme-control svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.8; }
  .theme-control select { max-width: 6.7rem; background: transparent; color: var(--text); border: 0; font-size: .8rem; font-weight: 650; cursor: pointer; }
  .nav-toggle { display: none; width: 2.75rem; height: 2.75rem; margin-left: auto; padding: .65rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: .7rem; cursor: pointer; }
  .nav-toggle > span:not(.sr-only) { display: block; width: 100%; height: 2px; margin: 4px 0; background: var(--text); border-radius: 2px; }

  .eyebrow { display: flex; align-items: center; gap: .55rem; margin-bottom: 1.05rem; color: var(--primary-strong); font-size: .77rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
  .status-dot { width: .55rem; height: .55rem; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 .32rem color-mix(in srgb, var(--green) 14%, transparent); }
  .button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: .72rem 1.25rem; border: 1px solid transparent; border-radius: .85rem; font-weight: 760; text-decoration: none; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
  .button:hover { transform: translateY(-2px); }
  .button-primary { background: var(--primary-strong); color: #fff; box-shadow: 0 10px 25px color-mix(in srgb, var(--primary-strong) 24%, transparent); }
  :root[data-theme="dark"] .button-primary { color: #0b1821; }
  .button-secondary { background: var(--bg-raised); color: var(--text); border-color: var(--line); }
  .text-link { display: inline-flex; align-items: center; gap: .45rem; color: var(--primary-strong); font-weight: 760; text-decoration: none; }
  .text-link:hover { text-decoration: underline; }
  .section { padding-block: clamp(4.5rem, 9vw, 8rem); }
  .section-heading { max-width: 760px; margin-bottom: 2.5rem; }
  .section-heading h2 { margin-bottom: 1rem; }
  .section-heading > p:last-child { max-width: 660px; font-size: 1.08rem; }
  .icon-box { display: inline-grid; place-items: center; width: 3rem; height: 3rem; background: var(--primary-soft); color: var(--primary-strong); border-radius: .9rem; }
  .icon-box svg { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

  .site-footer { padding-top: 4.5rem; background: var(--bg-deep); color: var(--text-on-dark); }
  .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 3rem; padding-bottom: 3.5rem; }
  .site-footer .brand { color: var(--text-on-dark); }
  .site-footer h2 { margin-bottom: 1rem; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
  .site-footer a:not(.brand) { display: block; width: fit-content; margin-block: .55rem; color: #c5d2dc; text-decoration: none; }
  .site-footer a:hover { color: #fff; text-decoration: underline; }
  .site-footer p { max-width: 300px; margin-top: .8rem; color: #9fb0bd; font-size: .9rem; }
  .footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; color: #8fa2b0; border-top: 1px solid #2b3d4a; font-size: .82rem; }
}

@layer sections {
  .hero { position: relative; overflow: hidden; padding-block: clamp(4rem, 8vw, 7.5rem); }
  .hero::before { position: absolute; z-index: 0; inset: -25% auto auto 55%; width: 42rem; height: 42rem; background: radial-gradient(circle, color-mix(in srgb, var(--primary) 22%, transparent), transparent 68%); content: ""; pointer-events: none; }
  .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(3rem, 7vw, 7rem); }
  .hero h1 { max-width: 780px; margin-bottom: 1.5rem; }
  .hero-lead { max-width: 660px; font-size: clamp(1.05rem, 2vw, 1.25rem); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
  .availability-note { max-width: 610px; margin-top: 1.2rem; font-size: .83rem; }
  .hero-visual { position: relative; display: grid; place-items: center; min-height: 470px; }
  .app-mark-card { position: relative; z-index: 2; width: min(80vw, 390px); padding: 1.2rem; background: color-mix(in srgb, var(--bg-raised) 86%, transparent); border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); border-radius: 2.5rem; box-shadow: var(--shadow-lg); transform: rotate(2deg); backdrop-filter: blur(14px); }
  .app-mark-card > img { width: 100%; border-radius: 1.7rem; }
  .visual-orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
  .orbit-one { width: 30rem; height: 30rem; }
  .orbit-two { width: 23rem; height: 23rem; border-style: dashed; transform: rotate(-18deg); }
  .visual-note { position: absolute; z-index: 3; width: 9rem; padding: 1rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: 1rem; box-shadow: var(--shadow-sm); }
  .note-one { top: 8%; right: -14%; transform: rotate(-6deg); }
  .note-one span { display: block; height: .45rem; margin-block: .45rem; background: var(--line); border-radius: 1rem; }
  .note-one span:nth-child(2) { width: 72%; background: var(--primary); }
  .note-two { bottom: 7%; left: -12%; transform: rotate(5deg); }
  .note-two i { display: block; position: relative; height: 1rem; margin-block: .3rem; padding-left: 1.4rem; }
  .note-two i::before { position: absolute; top: .15rem; left: 0; width: .7rem; height: .7rem; border: 2px solid var(--green); border-radius: .2rem; content: ""; }
  .note-two i::after { position: absolute; top: .4rem; left: 1.4rem; width: 70%; height: .35rem; background: var(--line); border-radius: 1rem; content: ""; }

  .trust-strip { background: var(--bg-raised); border-block: 1px solid var(--line); }
  .trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
  .trust-grid div { padding: 1.6rem 2rem; border-right: 1px solid var(--line); }
  .trust-grid div:first-child { padding-left: 0; }
  .trust-grid div:last-child { border-right: 0; }
  .trust-grid strong, .trust-grid span { display: block; }
  .trust-grid strong { margin-bottom: .2rem; }
  .trust-grid span { color: var(--text-soft); font-size: .87rem; }

  .section-features { background: var(--bg-raised); }
  .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .feature-card { min-height: 260px; padding: 1.7rem; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-md); transition: transform .2s ease, box-shadow .2s ease; }
  .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
  .feature-card h3 { margin: 2.2rem 0 .7rem; }
  .feature-card p { font-size: .95rem; }
  .accent-teal .icon-box { background: color-mix(in srgb, var(--teal) 13%, var(--bg)); color: var(--teal); }
  .accent-violet .icon-box { background: color-mix(in srgb, var(--violet) 13%, var(--bg)); color: var(--violet); }
  .accent-amber .icon-box { background: color-mix(in srgb, var(--amber) 13%, var(--bg)); color: var(--amber); }
  .accent-green .icon-box { background: color-mix(in srgb, var(--green) 13%, var(--bg)); color: var(--green); }
  .accent-slate .icon-box { background: var(--bg-soft); color: var(--text-soft); }

  .section-story { overflow: hidden; }
  .story-grid { display: grid; grid-template-columns: 1fr .82fr; align-items: center; gap: clamp(3rem, 8vw, 8rem); }
  .story-copy h2 { margin-bottom: 1.2rem; }
  .story-copy > p:not(.eyebrow) { font-size: 1.08rem; }
  .check-list { display: grid; gap: .75rem; margin: 1.7rem 0; list-style: none; }
  .check-list li { position: relative; padding-left: 1.9rem; }
  .check-list li::before { position: absolute; top: .18rem; left: 0; width: 1.15rem; height: 1.15rem; background: var(--primary-soft); color: var(--primary-strong); border-radius: 50%; content: "✓"; font-size: .75rem; font-weight: 800; line-height: 1.15rem; text-align: center; }
  .principle-card { position: relative; min-height: 390px; padding: 2.4rem; overflow: hidden; background: linear-gradient(145deg, var(--primary-strong), #1f4c6e); color: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
  .principle-card::after { position: absolute; right: -7rem; bottom: -7rem; width: 20rem; height: 20rem; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 3.5rem rgba(255,255,255,.04), 0 0 0 7rem rgba(255,255,255,.03); content: ""; }
  .principle-number { display: block; margin-bottom: 8rem; color: rgba(255,255,255,.62); font-size: .8rem; font-weight: 800; letter-spacing: .15em; }
  .principle-card small, .principle-card strong { display: block; }
  .principle-card strong { margin: .35rem 0 .65rem; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1; letter-spacing: -.04em; }
  .principle-card p { position: relative; z-index: 1; max-width: 350px; color: rgba(255,255,255,.75); }

  .section-backup { background: var(--bg-soft); }
  .split-heading { display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; max-width: none; gap: 3rem; }
  .backup-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
  .backup-card { padding: clamp(1.6rem, 4vw, 2.6rem); background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius-lg); }
  .backup-card.featured { border-color: var(--primary); box-shadow: 0 16px 38px color-mix(in srgb, var(--primary) 12%, transparent); }
  .backup-card-head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 3.5rem; }
  .backup-card-head span { padding: .3rem .65rem; background: var(--primary-soft); color: var(--primary-strong); border-radius: 99rem; font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .backup-card-head small { color: var(--text-soft); }
  .backup-card h3 { margin-bottom: .8rem; font-size: 1.7rem; }
  .backup-card ul { display: grid; gap: .55rem; margin-top: 1.5rem; list-style: none; }
  .backup-card li { padding-left: 1.4rem; position: relative; }
  .backup-card li::before { position: absolute; left: 0; color: var(--green); content: "•"; font-weight: 900; }
  .backup-disclosure { margin-top: 1.2rem; font-size: .82rem; }

  .section-faq { background: var(--bg-raised); }
  .faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(3rem, 8vw, 8rem); }
  .faq-intro { align-self: start; position: sticky; top: calc(var(--header-height) + 2rem); }
  .faq-intro h2 { margin-bottom: 1rem; }
  .faq-intro .text-link { margin-top: 1.5rem; }
  .faq-list { border-top: 1px solid var(--line); }
  .faq-list details { border-bottom: 1px solid var(--line); }
  .faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.4rem .1rem; cursor: pointer; font-weight: 720; list-style: none; }
  .faq-list summary::-webkit-details-marker { display: none; }
  .faq-list summary span { color: var(--primary); font-size: 1.5rem; font-weight: 400; transition: transform .18s ease; }
  .faq-list details[open] summary span { transform: rotate(45deg); }
  .faq-list details p { padding: 0 2.6rem 1.5rem 0; }

  .support-cta { background: var(--bg); }
  .support-panel { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: clamp(2rem, 5vw, 4rem); background: var(--bg-deep); color: var(--text-on-dark); border-radius: var(--radius-lg); }
  .support-panel h2 { margin-bottom: .8rem; }
  .support-panel p { max-width: 650px; color: #aebdca; }
  .support-actions { display: flex; flex-direction: column; align-items: center; gap: .8rem; flex: 0 0 auto; }
  .support-panel .text-link { color: #c5d9e8; font-size: .85rem; }

  .page-hero { padding: clamp(4.5rem, 9vw, 7rem) 0 3.5rem; background: linear-gradient(180deg, var(--bg-soft), var(--bg)); border-bottom: 1px solid var(--line); }
  .page-hero h1 { font-size: clamp(2.7rem, 6vw, 4.7rem); }
  .page-lead { max-width: 700px; margin-top: 1rem; font-size: 1.15rem; }
  .document-meta { display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; margin-top: 1.6rem; color: var(--text-soft); font-size: .82rem; }
  .document-meta span:first-child { padding: .18rem .55rem; background: color-mix(in srgb, var(--amber) 15%, var(--bg)); color: var(--amber); border-radius: 99rem; font-weight: 750; }
  .legal-main > .container { padding-block: 3rem 7rem; }
  .review-notice { margin-bottom: 2rem; padding: 1.2rem 1.35rem; background: color-mix(in srgb, var(--amber) 9%, var(--bg-raised)); border: 1px solid color-mix(in srgb, var(--amber) 36%, var(--line)); border-left: 4px solid var(--amber); border-radius: var(--radius-sm); }
  .review-notice strong { display: block; margin-bottom: .25rem; }
  .review-notice p { font-size: .9rem; }
  .legal-index { margin-bottom: 2rem; padding: 1.5rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius-md); }
  .legal-index strong { display: block; margin-bottom: .7rem; }
  .legal-index ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: .4rem 2rem; padding-left: 1.3rem; color: var(--text-soft); }
  .legal-index a:hover { color: var(--primary-strong); }
  .legal-content { border-top: 1px solid var(--line); }
  .legal-content section { display: grid; grid-template-columns: 4rem 1fr; gap: 1.4rem; padding-block: 2.5rem; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-height) + 1rem); }
  .section-number { color: var(--primary); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
  .legal-content h2 { margin-bottom: 1rem; font-size: clamp(1.45rem, 3vw, 2rem); }
  .legal-content p + p { margin-top: .9rem; }
  .legal-content a { color: var(--primary-strong); font-weight: 650; }
  .legal-contact { margin-top: 3rem; padding: 2.2rem; background: var(--bg-soft); border-radius: var(--radius-md); }
  .legal-contact h2 { font-size: 1.55rem; }
  .legal-contact p { margin: .5rem 0 1.2rem; }

  .support-hero { padding-bottom: 5rem; }
  .support-hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(3rem, 8vw, 8rem); }
  .contact-card { display: flex; gap: 1.2rem; padding: 1.6rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
  .contact-card small, .contact-card a { display: block; }
  .contact-card small { color: var(--text-soft); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
  .contact-card a { margin: .25rem 0 .6rem; color: var(--primary-strong); font-size: clamp(1rem, 2.3vw, 1.35rem); font-weight: 750; overflow-wrap: anywhere; }
  .contact-card p { font-size: .88rem; }
  .support-guide { background: var(--bg-soft); }
  .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .guide-grid article { padding: 1.6rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius-md); }
  .guide-grid article > span { display: grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: 2.5rem; background: var(--primary-soft); color: var(--primary-strong); border-radius: 50%; font-size: .8rem; font-weight: 800; }
  .guide-grid h3 { margin-bottom: .65rem; }

  .not-found { display: grid; place-items: center; min-height: 100vh; padding: 2rem; text-align: center; }
  .not-found > div { max-width: 600px; }
  .not-found img { margin: 0 auto 1.5rem; border-radius: 1.7rem; box-shadow: var(--shadow-sm); }
  .not-found h1 { margin-bottom: 1rem; font-size: clamp(2.3rem, 6vw, 4rem); }
  .not-found .button { margin-top: 1.5rem; }
}

@layer responsive {
  @media (max-width: 980px) {
    :root { --header-height: 70px; }
    .nav-toggle { display: block; }
    .theme-control { margin-left: 0; }
    .site-nav { position: absolute; top: calc(100% + .65rem); right: 1rem; left: 1rem; display: none; flex-direction: column; align-items: stretch; gap: .15rem; padding: .7rem; background: var(--bg-raised); border: 1px solid var(--line); border-radius: 1rem; box-shadow: var(--shadow-lg); }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: .8rem; }
    .hero-grid, .story-grid, .support-hero-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 410px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr repeat(2, 1fr); }
    .footer-grid > div:last-child { grid-column: 2 / -1; }
  }

  @media (max-width: 720px) {
    .container { width: min(100% - 1.25rem, var(--container)); }
    .brand span { font-size: 1.05rem; }
    .theme-control { padding-inline: .38rem; }
    .theme-control select { width: 2rem; color: transparent; background: transparent; }
    .theme-control select option { color: initial; }
    .hero { padding-top: 3.4rem; }
    .hero h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
    .hero-visual { min-height: 360px; }
    .app-mark-card { width: min(72vw, 310px); padding: .9rem; border-radius: 2rem; }
    .visual-note { width: 7.2rem; padding: .7rem; }
    .note-one { right: -7%; }
    .note-two { left: -5%; }
    .orbit-one { width: 23rem; height: 23rem; }
    .orbit-two { width: 18rem; height: 18rem; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid div, .trust-grid div:first-child { padding: 1.1rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .trust-grid div:last-child { border-bottom: 0; }
    .feature-grid, .backup-grid, .guide-grid { grid-template-columns: 1fr; }
    .feature-card { min-height: 230px; }
    .split-heading { grid-template-columns: 1fr; gap: .5rem; }
    .principle-card { min-height: 330px; }
    .principle-number { margin-bottom: 6rem; }
    .faq-layout { grid-template-columns: 1fr; gap: 2rem; }
    .faq-intro { position: static; }
    .support-panel { align-items: flex-start; flex-direction: column; }
    .support-actions { align-items: flex-start; }
    .legal-index ol { grid-template-columns: 1fr; }
    .legal-content section { grid-template-columns: 1fr; gap: .5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem 1rem; }
    .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
  }

  @media (max-width: 420px) {
    .header-inner { gap: .5rem; }
    .theme-control { order: 2; }
    .nav-toggle { order: 3; }
    .hero-actions .button { width: 100%; }
    .visual-note { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-grid > div { grid-column: auto !important; }
    .contact-card { flex-direction: column; }
  }

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

  @media print {
    .site-header, .site-footer, .review-notice, .legal-index, .legal-contact { display: none; }
    :root { --bg: #fff; --text: #000; --text-soft: #333; --line: #bbb; }
    body { font-size: 11pt; }
    .page-hero { padding: 1rem 0; }
    .legal-main > .container { padding: 1rem 0; }
    .legal-content section { break-inside: avoid; }
  }
}