@layer reset, base, layout, components, utilities;

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

@layer base {
  :root {
    --color-bg: oklch(1 0 0);
    --color-surface: oklch(0.965 0.006 252);
    --color-surface-deep: oklch(0.925 0.012 252);
    --color-ink: oklch(0.16 0.018 252);
    --color-muted: oklch(0.43 0.025 252);
    --color-primary: oklch(0.478 0.136 251.8);
    --color-primary-dark: oklch(0.34 0.12 252);
    --color-primary-soft: oklch(0.91 0.035 252);
    --color-accent: oklch(0.86 0.17 126);
    --color-line: oklch(0.88 0.012 252);
    --color-white: oklch(1 0 0);
    --color-footer: oklch(0.105 0.018 252);
    --font-sans: "Manrope", "Segoe UI", Arial, sans-serif;
    --shell: min(1200px, calc(100vw - 48px));
    --section-space: clamp(5rem, 10vw, 9rem);
    --z-sticky: 20;
    --z-dropdown: 30;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  }

  html { background: var(--color-footer); }

  body {
    min-width: 320px;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 {
    font-weight: 600;
    line-height: 1.06;
    letter-spacing: -0.035em;
    text-wrap: balance;
  }

  h1 { font-size: clamp(3rem, 7.1vw, 5.75rem); }
  h2 { font-size: clamp(2.1rem, 4.2vw, 4rem); }
  h3 { font-size: clamp(1.35rem, 2vw, 2rem); }
  p { text-wrap: pretty; }
  address { font-style: normal; }

  ::selection {
    background: var(--color-accent);
    color: var(--color-ink);
  }

  :focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
  }
}

@layer layout {
  .shell {
    width: var(--shell);
    margin-inline: auto;
  }

  .section { padding-block: var(--section-space); }

  .section-heading--split {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: clamp(2rem, 8vw, 8rem);
    align-items: end;
    margin-bottom: clamp(3rem, 7vw, 5.5rem);
  }

  .section-heading--split p,
  .page-hero__grid > div > p,
  .product-category__header > p,
  .contact-hero__intro > p:last-child {
    max-width: 65ch;
    color: var(--color-muted);
    font-size: clamp(1rem, 1.3vw, 1.15rem);
  }

  .section-copy {
    max-width: 65ch;
    color: var(--color-muted);
    font-size: clamp(1rem, 1.3vw, 1.15rem);
  }

  .section-copy p + p { margin-top: 1rem; }
}

@layer components {
  .skip-link {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: calc(var(--z-dropdown) + 1);
    padding: 0.75rem 1rem;
    background: var(--color-accent);
    color: var(--color-ink);
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-160%);
  }

  .skip-link:focus { transform: translateY(0); }

  .site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: color-mix(in oklch, var(--color-bg) 94%, transparent);
    border-bottom: 1px solid var(--color-line);
    backdrop-filter: blur(12px);
  }

  .site-header__inner {
    min-height: 82px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
  }

  .wordmark {
    display: inline-flex;
    flex-direction: column;
    width: max-content;
    color: var(--color-ink);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.03;
    letter-spacing: -0.035em;
    text-decoration: none;
  }

  .primary-navigation {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 3vw, 2.5rem);
  }

  .primary-navigation a,
  .footer-navigation a {
    position: relative;
    font-size: 0.91rem;
    font-weight: 600;
    text-decoration: none;
  }

  .primary-navigation a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -0.55rem;
    left: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 240ms var(--ease-out);
  }

  .primary-navigation a:hover::after,
  .primary-navigation a[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .header-contact {
    justify-self: end;
    font-size: 0.91rem;
    font-weight: 700;
    text-decoration: none;
  }

  .header-contact span,
  .text-link span,
  .button span,
  .contact-band a span,
  .contact-hero__action a span {
    display: inline-block;
    transition: transform 220ms var(--ease-out);
  }

  .header-contact:hover span,
  .text-link:hover span,
  .button:hover span,
  .contact-band a:hover span,
  .contact-hero__action a:hover span {
    transform: translate(0.18rem, -0.08rem);
  }

  .menu-toggle { display: none; }

  .hero--home {
    position: relative;
    overflow: hidden;
    background: var(--color-primary);
    color: var(--color-white);
  }

  .hero__grid {
    min-height: min(760px, calc(100vh - 82px));
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: center;
    padding-block: clamp(5rem, 10vw, 8.5rem);
  }

  .hero__content { position: relative; z-index: 1; }

  .hero__context,
  .page-hero__marker,
  .section-label,
  .product-row__type {
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
  }

  .hero__context { margin-bottom: clamp(2rem, 5vw, 4.25rem); color: oklch(0.92 0.025 252); }

  .hero__content h1 { max-width: 11ch; }

  .hero__summary {
    max-width: 58ch;
    margin-top: 2rem;
    color: oklch(0.92 0.02 252);
    font-size: clamp(1rem, 1.35vw, 1.18rem);
  }

  .button-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem 2rem;
    margin-top: 2.5rem;
  }

  .button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.8rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 2px;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 220ms var(--ease-out), color 220ms var(--ease-out), border-color 220ms var(--ease-out);
  }

  .button--light { background: var(--color-white); color: var(--color-ink); }
  .button--light:hover { background: var(--color-accent); }
  .button--dark { background: var(--color-ink); color: var(--color-white); }
  .button--dark:hover { background: var(--color-primary); }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--color-ink);
    font-weight: 700;
    text-underline-offset: 0.32rem;
  }

  .text-link--on-color { color: var(--color-white); }

  .hero-visual {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    max-width: 500px;
    justify-self: end;
    width: 100%;
    border: 1px solid color-mix(in oklch, var(--color-white) 36%, transparent);
  }

  .hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero__foot {
    display: flex;
    justify-content: space-between;
    padding-block: 1rem;
    border-top: 1px solid color-mix(in oklch, var(--color-white) 28%, transparent);
    color: oklch(0.92 0.02 252);
    font-size: 0.75rem;
    font-weight: 600;
  }

  .product-intro { background: var(--color-bg); }
  .product-intro h2 { max-width: 12ch; }

  .category-lines { border-top: 1px solid var(--color-line); }

  .category-line {
    display: grid;
    grid-template-columns: 64px minmax(220px, 0.8fr) minmax(280px, 1fr) 32px;
    gap: 1.5rem;
    align-items: center;
    padding-block: clamp(1.75rem, 4vw, 3rem);
    border-bottom: 1px solid var(--color-line);
    text-decoration: none;
    transform: translateX(0);
    transition: color 200ms var(--ease-out), transform 240ms var(--ease-out);
  }

  .category-line:hover { color: var(--color-primary); transform: translateX(0.5rem); }
  .category-line__index { color: var(--color-muted); font-size: 0.78rem; font-weight: 700; }
  .category-line__name { font-size: clamp(1.45rem, 3vw, 2.4rem); font-weight: 600; letter-spacing: -0.03em; }
  .category-line__description { color: var(--color-muted); font-size: 0.92rem; }
  .category-line__arrow { justify-self: end; font-size: 1.4rem; }

  .focus-section { padding-block: 0; background: var(--color-surface); }

  .focus-section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 650px;
  }

  .focus-section__visual {
    position: relative;
    overflow: hidden;
    min-height: 460px;
    background: var(--color-ink);
  }

  .focus-section__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .focus-section__content {
    align-self: center;
    padding: clamp(3rem, 8vw, 7rem);
  }

  .focus-section__content h2 { max-width: 16ch; margin-top: 1.35rem; font-size: clamp(2rem, 3.5vw, 3.25rem); }
  .focus-section__content > p:not(.section-label) { max-width: 58ch; margin-block: 2rem; color: var(--color-muted); }

  .capability-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-top: 2rem;
    border-top: 1px solid var(--color-line);
  }

  .capability-list li {
    padding-block: 1rem;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 600;
  }

  .capability-list li:nth-child(odd) { margin-right: 1.25rem; }

  .section-label { color: var(--color-primary); }

  .contact-band { background: var(--color-accent); }
  .contact-band--primary { background: var(--color-primary); color: var(--color-white); }

  .contact-band__inner {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: center;
    min-height: 156px;
  }

  .contact-band__copy { max-width: 680px; }
  .contact-band__copy h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); }
  .contact-band__copy p { max-width: 60ch; margin-top: 0.65rem; font-size: 0.95rem; }
  .contact-band > .shell > p { font-size: clamp(1.05rem, 2vw, 1.35rem); font-weight: 600; }
  .contact-band a { font-size: clamp(1rem, 2.2vw, 1.55rem); font-weight: 700; text-underline-offset: 0.35rem; }

  .page-hero { padding-block: clamp(5rem, 10vw, 9rem); }
  .page-hero--light { background: var(--color-surface); }
  .page-hero--primary { background: var(--color-primary); color: var(--color-white); }

  .page-hero__grid {
    display: grid;
    grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
    gap: clamp(2rem, 8vw, 9rem);
    align-items: start;
  }

  .page-hero__grid h1 { max-width: 13ch; }
  .page-hero__grid > div > p { margin-top: 2rem; }
  .page-hero--primary .page-hero__marker,
  .page-hero--primary .page-hero__grid > div > p { color: oklch(0.92 0.02 252); }

  .about-statement__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 10vw, 9rem);
  }

  .about-statement__title h2 { max-width: 11ch; margin-top: 1.5rem; }
  .about-statement__body { max-width: 65ch; }
  .about-statement__body p + p { margin-top: 2rem; color: var(--color-muted); }
  .lead-copy { font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: 1.45; letter-spacing: -0.02em; }

  .principles-section { padding-block: var(--section-space); background: var(--color-ink); color: var(--color-white); }
  .principles-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 4rem; }
  .principles-heading h2 { max-width: 10ch; }
  .principles-heading p { max-width: 38ch; color: oklch(0.74 0.02 252); }
  .principles-list { border-top: 1px solid oklch(0.31 0.025 252); }
  .principles-list li { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; padding-block: 2.25rem; border-bottom: 1px solid oklch(0.31 0.025 252); }
  .principles-list li > span { color: var(--color-accent); font-size: 0.8rem; font-weight: 700; }
  .principles-list li div { display: grid; grid-template-columns: minmax(190px, 0.55fr) minmax(260px, 1fr); gap: 2rem; }
  .principles-list h3 { font-size: clamp(1.35rem, 2.4vw, 2rem); }
  .principles-list p { max-width: 55ch; color: oklch(0.74 0.02 252); }

  .company-record__grid {
    display: grid;
    grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(3rem, 10vw, 9rem);
  }

  .company-record h2 { margin-top: 1.5rem; }
  .record-list { border-top: 1px solid var(--color-line); }
  .record-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 2rem; padding-block: 1.75rem; border-bottom: 1px solid var(--color-line); }
  .record-list dt { color: var(--color-muted); font-size: 0.83rem; font-weight: 600; }
  .record-list dd { font-weight: 600; }
  .record-list dd span, .footer-address span, .contact-detail address span { display: block; }

  .product-anchor-bar { position: sticky; top: 82px; z-index: calc(var(--z-sticky) - 1); background: var(--color-white); border-bottom: 1px solid var(--color-line); }
  .product-anchor-bar__inner { display: flex; gap: 3rem; min-height: 64px; align-items: center; }
  .product-anchor-bar a { font-size: 0.85rem; font-weight: 700; text-decoration: none; }
  .product-anchor-bar a span { margin-right: 0.65rem; color: var(--color-primary); }

  .product-category { scroll-margin-top: 150px; padding-block: var(--section-space); }
  .product-category:nth-of-type(even) { background: var(--color-surface); }

  .product-category__header {
    display: grid;
    grid-template-columns: minmax(250px, 1fr) minmax(280px, 0.7fr);
    gap: 4rem;
    align-items: end;
    margin-bottom: clamp(3rem, 7vw, 5rem);
  }

  .product-category__header h2 { margin-top: 1rem; }

  .product-list { border-top: 1px solid var(--color-line); }
  .product-row { display: grid; grid-template-columns: minmax(290px, 0.82fr) minmax(0, 1.18fr); gap: clamp(2rem, 8vw, 8rem); padding-block: clamp(2rem, 5vw, 4rem); border-bottom: 1px solid var(--color-line); }

  .product-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    min-height: 230px;
    background: var(--color-ink);
    color: var(--color-white);
  }

  .product-media img { width: 100%; height: 100%; object-fit: cover; }
  .product-media__number { position: absolute; top: 1rem; left: 1rem; z-index: 1; padding: 0.38rem 0.55rem; background: color-mix(in oklch, var(--color-ink) 90%, transparent); color: oklch(0.92 0.015 252); font-size: 0.7rem; font-weight: 600; }

  .product-row__content { align-self: center; max-width: 630px; }
  .product-row__type { color: var(--color-primary); }
  .product-row__content h3 { margin-top: 1.2rem; max-width: 19ch; }
  .product-row__content > p:not(.product-row__type) { max-width: 55ch; margin-block: 1.5rem; color: var(--color-muted); }

  .product-note { padding-block: var(--section-space); background: var(--color-accent); }
  .product-note__inner { display: grid; grid-template-columns: 0.9fr 1fr auto; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
  .product-note h2 { font-size: clamp(2rem, 3.8vw, 3.25rem); }
  .product-note p { max-width: 50ch; }

  .contact-hero { padding-block: clamp(5rem, 10vw, 9rem); background: var(--color-ink); color: var(--color-white); }
  .contact-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); gap: clamp(3rem, 10vw, 10rem); align-items: end; }
  .contact-hero__intro h1 { max-width: 12ch; margin-top: 2rem; }
  .contact-hero__intro > p:last-child { margin-top: 2rem; color: oklch(0.74 0.02 252); }
  .contact-hero .page-hero__marker { color: var(--color-accent); }

  .contact-hero__action { padding-top: 2rem; border-top: 1px solid oklch(0.34 0.035 252); }
  .contact-hero__action p { margin-bottom: 1.25rem; color: oklch(0.74 0.02 252); font-size: 0.78rem; font-weight: 700; }
  .contact-hero__action a { display: flex; justify-content: space-between; gap: 1rem; font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 700; overflow-wrap: anywhere; text-underline-offset: 0.4rem; }

  .contact-details__grid { display: grid; grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr); gap: clamp(3rem, 10vw, 10rem); }
  .contact-details h2 { margin-top: 1.4rem; }
  .contact-detail-list { border-top: 1px solid var(--color-line); }
  .contact-detail { display: grid; grid-template-columns: 190px 1fr; gap: 2rem; padding-block: 2rem; border-bottom: 1px solid var(--color-line); }
  .contact-detail > p { color: var(--color-muted); font-size: 0.82rem; font-weight: 600; }
  .contact-detail strong, .contact-detail address { font-size: clamp(1rem, 1.5vw, 1.2rem); font-weight: 600; }

  .contact-form-section { padding-block: var(--section-space); background: var(--color-surface); }
  .contact-form-section__grid { display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr); gap: clamp(3rem, 9vw, 9rem); }
  .contact-form-section__intro h2 { max-width: 10ch; margin-top: 1.35rem; }
  .contact-form-section__intro > p:last-child { max-width: 45ch; margin-top: 1.5rem; color: var(--color-muted); }

  .contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 2rem;
    align-content: start;
  }

  .form-field { display: grid; gap: 0.55rem; }
  .form-field--wide { grid-column: 1 / -1; }
  .form-field label { font-size: 0.8rem; font-weight: 700; }

  .form-field input,
  .form-field textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    border-radius: 2px;
    background: var(--color-white);
    color: var(--color-ink);
    padding: 0.9rem 1rem;
    transition: border-color 180ms var(--ease-out);
  }

  .form-field input { min-height: 52px; }
  .form-field textarea { min-height: 170px; resize: vertical; }
  .form-field input:hover, .form-field textarea:hover { border-color: var(--color-muted); }
  .form-field input:focus, .form-field textarea:focus { border-color: var(--color-primary); outline: 3px solid var(--color-primary-soft); outline-offset: 1px; }

  .contact-form__footer { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
  .contact-form__footer p { max-width: 45ch; color: var(--color-muted); font-size: 0.78rem; }
  .contact-form__footer .button { flex: 0 0 auto; cursor: pointer; }

  .contact-guidance { padding-block: var(--section-space); background: var(--color-surface); }
  .contact-guidance__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem, 10vw, 10rem); }
  .contact-guidance h2 { max-width: 10ch; }
  .contact-guidance ul { border-top: 1px solid var(--color-line); }
  .contact-guidance li { display: grid; grid-template-columns: 56px 1fr; gap: 1rem; padding-block: 1.5rem; border-bottom: 1px solid var(--color-line); font-weight: 600; }
  .contact-guidance li span { color: var(--color-primary); font-size: 0.76rem; }

  .not-found { background: var(--color-surface); }
  .not-found__inner { min-height: 620px; display: grid; grid-template-columns: 0.5fr 1fr; gap: clamp(2rem, 10vw, 10rem); align-items: center; }
  .not-found__code { color: var(--color-primary); font-size: clamp(5rem, 14vw, 12rem); font-weight: 700; letter-spacing: -0.06em; }
  .not-found h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
  .not-found div > p { margin-block: 1.5rem 2rem; color: var(--color-muted); }

  .site-footer { background: var(--color-footer); color: var(--color-white); }
  .site-footer__top { display: grid; grid-template-columns: 1.15fr 0.55fr 0.85fr; gap: clamp(3rem, 8vw, 8rem); padding-block: clamp(4rem, 8vw, 7rem); }
  .wordmark--footer { color: var(--color-white); font-size: 1.2rem; }
  .site-footer__top > div > p { max-width: 40ch; margin-top: 1.75rem; color: oklch(0.68 0.02 252); }
  .footer-navigation { display: flex; flex-direction: column; gap: 0.95rem; align-items: flex-start; }
  .footer-navigation a:hover { color: var(--color-accent); }
  .footer-address { color: oklch(0.72 0.02 252); font-size: 0.9rem; }
  .footer-address a { display: inline-block; margin-top: 1.5rem; color: var(--color-white); overflow-wrap: anywhere; text-underline-offset: 0.35rem; }
  .site-footer__bottom { display: flex; justify-content: space-between; gap: 2rem; padding-block: 1.25rem; border-top: 1px solid oklch(0.27 0.025 252); color: oklch(0.62 0.02 252); font-size: 0.72rem; }
}

@layer utilities {
  @media (max-width: 960px) {
    :root { --shell: min(100% - 40px, 1200px); }

    .site-header__inner { grid-template-columns: 1fr auto auto; }
    .header-contact { display: none; }
    .hero__grid { grid-template-columns: 1fr 0.7fr; gap: 2rem; }
    .hero-visual { transform: scale(0.94); transform-origin: right center; }
    .category-line { grid-template-columns: 48px minmax(200px, 0.8fr) minmax(220px, 1fr) 24px; }
    .focus-section__content { padding: 3.5rem; }
    .product-note__inner { grid-template-columns: 1fr 1fr; }
    .product-note .button { grid-column: 1 / -1; justify-self: start; }
  }

  @media (max-width: 760px) {
    :root { --shell: min(100% - 32px, 1200px); --section-space: clamp(4rem, 16vw, 6rem); }
    html { scroll-padding-top: 76px; }
    h1 { font-size: clamp(2.75rem, 12vw, 4.75rem); }
    h2 { font-size: clamp(2rem, 8vw, 3.3rem); }

    .site-header__inner { min-height: 76px; grid-template-columns: 1fr auto; }
    .menu-toggle { display: inline-flex; align-items: center; gap: 0.8rem; padding: 0.55rem 0; border: 0; background: transparent; color: var(--color-ink); font-size: 0.82rem; font-weight: 700; cursor: pointer; }
    .menu-toggle__icon { display: grid; gap: 5px; width: 22px; }
    .menu-toggle__icon span { display: block; width: 100%; height: 2px; background: currentColor; transition: transform 220ms var(--ease-out); }
    .menu-toggle[aria-expanded="true"] .menu-toggle__icon span:first-child { transform: translateY(3.5px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] .menu-toggle__icon span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

    .primary-navigation {
      position: fixed;
      top: 76px;
      right: 0;
      left: 0;
      z-index: var(--z-dropdown);
      display: grid;
      gap: 0;
      padding: 0 16px 1rem;
      background: var(--color-white);
      border-bottom: 1px solid var(--color-line);
      transform: translateY(-120%);
      opacity: 0;
      pointer-events: none;
      transition: transform 280ms var(--ease-out), opacity 180ms ease;
    }

    .primary-navigation[data-open="true"] { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .primary-navigation a { padding: 1rem 0; border-bottom: 1px solid var(--color-line); font-size: 1.1rem; }
    .primary-navigation a::after { display: none; }

    .hero__grid { min-height: auto; grid-template-columns: 1fr; padding-block: 5rem 3rem; }
    .hero__content h1 { max-width: 10ch; }
    .hero-visual { width: min(82vw, 430px); justify-self: center; margin-block: 1rem 2rem; transform: none; }
    .hero__foot { gap: 1rem; }
    .section-heading--split, .about-statement__grid, .company-record__grid, .product-category__header, .contact-details__grid, .contact-guidance__grid, .contact-form-section__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .category-line { grid-template-columns: 40px 1fr 24px; gap: 1rem; }
    .category-line__description { grid-column: 2 / -1; }
    .category-line__arrow { grid-column: 3; grid-row: 1; }
    .focus-section__grid { width: 100%; grid-template-columns: 1fr; }
    .focus-section__visual { min-height: 420px; }
    .focus-section__content { width: var(--shell); margin-inline: auto; padding: 4rem 0; }
    .contact-band__inner { min-height: 150px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 0.65rem; }
    .page-hero__grid { grid-template-columns: 1fr; gap: 2rem; }
    .principles-heading { align-items: flex-start; flex-direction: column; }
    .principles-list li div { grid-template-columns: 1fr; gap: 0.75rem; }
    .product-anchor-bar { top: 76px; }
    .product-anchor-bar__inner { overflow-x: auto; gap: 2rem; white-space: nowrap; scrollbar-width: none; }
    .product-anchor-bar__inner::-webkit-scrollbar { display: none; }
    .product-category { scroll-margin-top: 140px; }
    .product-row { grid-template-columns: 1fr; gap: 2rem; }
    .product-media { max-width: 620px; width: 100%; }
    .product-note__inner { grid-template-columns: 1fr; }
    .product-note .button { grid-column: auto; }
    .contact-hero__grid { grid-template-columns: 1fr; }
    .contact-hero__action { margin-top: 1rem; }
    .not-found__inner { grid-template-columns: 1fr; gap: 1rem; padding-block: 5rem; }
    .not-found__code { line-height: 0.85; }
    .site-footer__top { grid-template-columns: 1fr 1fr; }
    .site-footer__top > div:first-child { grid-column: 1 / -1; }
  }

  @media (max-width: 520px) {
    :root { --shell: calc(100% - 28px); }
    .hero__context { margin-bottom: 2.5rem; }
    .hero-visual { width: min(88vw, 430px); }
    .category-line { grid-template-columns: 32px 1fr 20px; }
    .category-line__description { font-size: 0.86rem; }
    .focus-section__visual { min-height: 360px; }
    .page-hero { padding-block: 4.5rem; }
    .principles-list li { grid-template-columns: 42px 1fr; gap: 1rem; }
    .record-list > div, .contact-detail { grid-template-columns: 1fr; gap: 0.6rem; }
    .product-media { min-height: 200px; }
    .contact-hero__action a { display: inline-flex; flex-wrap: wrap; }
    .site-footer__top { grid-template-columns: 1fr; }
    .site-footer__top > div:first-child { grid-column: auto; }
    .site-footer__bottom { flex-direction: column; gap: 0.5rem; }
    .contact-form { grid-template-columns: 1fr; }
    .contact-form .form-field { grid-column: 1; }
    .contact-form__footer { align-items: flex-start; flex-direction: column; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  }
}