.skip-link { position: fixed; z-index: var(--z-skip); top: .75rem; left: var(--gutter); display: inline-flex; align-items: center; min-height: 44px; padding: .75rem 1.25rem; background: var(--ink); color: var(--white); font-weight: 600; transform: translateY(-180%); text-decoration: none; }
.skip-link:focus { transform: translateY(0); outline-color: var(--accent); }
.site-header { position: absolute; inset: 0 0 auto; z-index: var(--z-header); background: transparent; border-bottom: 1px solid rgb(16 21 27 / .18); transition: background var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard); }
.header-inner { display: flex; align-items: center; gap: clamp(1rem, 3vw, 3rem); min-height: var(--header-size); transition: min-height var(--duration-base) var(--ease-standard); }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; padding-block: .5rem; min-height: 44px; text-decoration: none; }
.brand img { height: 2.1rem; width: auto; max-width: 100%; }
.brand .brand-inverse { display: none; }
.site-nav { margin-left: auto; }
.nav-list { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem clamp(.25rem, 1vw, 1rem); list-style: none; padding: 0; }
.nav-list li { margin: 0; min-width: 0; }
.nav-link { position: relative; display: flex; align-items: center; min-height: 44px; padding: .65rem .65rem; font-size: .875rem; font-weight: 600; line-height: 1.35; text-decoration: none; border-bottom: 2px solid transparent; }
.nav-link[aria-current='page'] { border-color: var(--accent-deep); }
.nav-link:hover { color: var(--accent-deep); }
.header-contact { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; padding: .65rem 0 .65rem 1rem; border-left: 1px solid var(--line); font-family: var(--font-mono); font-size: .8125rem; font-weight: 500; line-height: 1.5; text-decoration: none; }
.header-contact span { min-width: 0; }
.nav-toggle { display: none; align-items: center; justify-content: center; gap: .65rem; min-height: 44px; padding: .6rem .8rem; border: 1px solid currentColor; background: transparent; font-weight: 600; font-size: .875rem; line-height: 1.25; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded='true'] .icon-menu { display: none; }
.nav-toggle[aria-expanded='true'] .icon-close { display: block; }
.site-header.is-condensed { position: fixed; background: var(--ink); color: var(--paper); border-bottom-color: var(--slate); box-shadow: 0 2px 16px rgb(16 21 27 / .1); }
.site-header.is-condensed .header-inner { min-height: var(--header-compact-size); }
.site-header.is-condensed .brand-default { display: none; }
.site-header.is-condensed .brand-inverse { display: block; }
.site-header.is-condensed .nav-link:hover { color: var(--accent); }
.site-header.is-condensed .nav-link[aria-current='page'] { border-color: var(--accent); }
.site-header.is-condensed .header-contact { border-color: var(--slate); }
.site-header.is-condensed :focus-visible { outline-color: var(--accent); }
body:not(.page-home) .site-header:not(.is-condensed) { background: var(--paper); }

.button, .button-secondary, .button-quiet { display: inline-flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; padding: .9rem 1.35rem; border: 1px solid transparent; border-radius: var(--radius); font-family: var(--font-body); font-size: .9375rem; font-weight: 600; line-height: 1.4; text-align: left; text-decoration: none; overflow-wrap: anywhere; transition: background var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard); }
.button { background: var(--accent); color: var(--ink); }
.button:hover { background: var(--accent-deep); color: var(--white); text-decoration: none; }
.button:active, .button.is-pressed { background: var(--ink); color: var(--paper); box-shadow: inset 0 2px 0 rgb(255 255 255 / .15); }
.button-secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.button-secondary:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.button-secondary:active { background: var(--slate); }
.button-quiet { background: transparent; color: var(--ink); border-color: var(--line); }
.button-quiet:hover { background: var(--surface); border-color: var(--slate); text-decoration: none; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: var(--slate); color: var(--white); }
.button-small { min-height: 44px; padding: .65rem 1rem; font-size: .8125rem; }
.button-full { width: 100%; }
.button-label { min-width: 0; }
.button .icon, .button-secondary .icon, .button-quiet .icon { flex-shrink: 0; }
.button[aria-busy='true'] { cursor: progress; }
.text-link { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; padding-block: .5rem; font-weight: 600; font-size: .9375rem; line-height: 1.5; text-decoration: underline; text-underline-offset: .3em; }
.text-link:hover { color: var(--accent-deep); }
button.text-link { border: 0; border-radius: 0; background: transparent; color: inherit; font-family: var(--font-body); text-align: left; }
html:not(.js) .site-header { position: relative; background: var(--paper); }
@media (min-width: 768px) {
  .page-home .site-header:not(.is-condensed) .site-nav { background: var(--paper); padding-inline: .5rem; }
  .page-home .site-header:not(.is-condensed) .header-contact { background: var(--paper); padding-inline: 1rem; border-left-color: var(--steel); }
}
.link-list { list-style: none; padding: 0; }
.link-list li { margin: 0; border-bottom: var(--border); }
.link-list a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; padding: 1rem 0; text-decoration: none; }
.link-list a:hover { color: var(--accent-deep); }
.tag, .chip, .badge { display: inline-flex; align-items: center; justify-content: center; max-width: 100%; min-height: 44px; padding: .55rem .85rem; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; font-family: var(--font-mono); font-size: .75rem; line-height: 1.5; text-align: left; overflow-wrap: anywhere; }
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list > * { min-width: 0; }
a.tag { text-decoration: none; }
a.tag:hover, .chip:hover { border-color: var(--accent-deep); background: var(--accent-wash); }
.chip[aria-pressed='true'], .tag[aria-current='true'] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.badge { border-left: 3px solid var(--accent-deep); background: var(--surface-raised); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .75rem; padding: 0; list-style: none; color: var(--muted); font-family: var(--font-mono); font-size: .75rem; }
.breadcrumbs li { display: flex; gap: .75rem; align-items: center; margin: 0; min-width: 0; }
.breadcrumbs a { display: inline-flex; align-items: center; min-height: 44px; padding-block: .5rem; }
.breadcrumbs .icon { width: .875rem; height: .875rem; }

.category-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: var(--border); border-bottom: var(--border); }
.category-tile { display: flex; flex-direction: column; align-items: flex-start; position: relative; min-width: 0; padding: clamp(1.5rem, 3vw, 3rem); border-right: var(--border); text-decoration: none; background: var(--paper); transition: background var(--duration-base) var(--ease-standard); }
.category-tile:last-child { border-right: 0; }
.category-tile .category-icon { color: var(--accent-deep); margin-bottom: clamp(2rem, 4vw, 4rem); }
.category-tile h3 { margin-bottom: 1rem; font-size: clamp(1.85rem, 2.8vw, 3rem); }
.category-tile p { color: var(--slate); font-size: .9375rem; line-height: 1.65; }
.category-tile .text-link { margin-top: auto; padding-top: 1.5rem; width: 100%; justify-content: space-between; }
.category-tile:hover { background: var(--accent-wash); }
.category-tile:focus-visible { z-index: 1; outline-offset: -4px; }
.category-number { font-family: var(--font-mono); font-size: .75rem; color: var(--muted); margin-bottom: .5rem; }
.item-list { border-top: var(--border); }
.item-row { display: grid; grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr) auto; gap: var(--space-8); align-items: start; padding: var(--space-8) 0; border-bottom: var(--border); }
.item-row > * { min-width: 0; }
.item-row .part-code { padding-top: .5rem; }
.item-row h3 { margin-bottom: .75rem; }
.item-row p { color: var(--slate); max-width: 54ch; }
.item-row .button { align-self: center; }
.spec-table { font-size: .9375rem; line-height: 1.6; }
.spec-table caption { padding: 0 0 1rem; font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--slate); }
.spec-table th, .spec-table td { padding: 1rem 1.25rem; border-bottom: var(--border); vertical-align: top; overflow-wrap: anywhere; }
.spec-table thead th { background: var(--slate); color: var(--paper); font-size: .8125rem; }
.spec-table tbody th { width: 32%; background: var(--surface); font-weight: 500; }
.spec-table td { background: var(--surface-raised); }
.spec-table .spec-value { font-family: var(--font-mono); font-size: .8125rem; }
.spec-note { padding: 1.1rem 1.25rem; border-left: 3px solid var(--accent); font-size: .875rem; background: var(--surface); }
.spec-note strong { display: block; margin-bottom: .5rem; }
.price-basis { padding-block: 1.5rem; border-top: var(--border); border-bottom: var(--border); }
.price-basis .eyebrow { margin-bottom: .65rem; }
.price-basis p { font-family: var(--font-mono); font-size: .9375rem; }
.price-basis small { display: block; margin-top: .65rem; color: var(--muted); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.form-field { display: flex; flex-direction: column; min-width: 0; gap: .55rem; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label, .field-label { display: block; font-size: .875rem; line-height: 1.5; font-weight: 600; }
.form-field label .optional { color: var(--muted); font-weight: 400; font-size: .8125rem; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 50px; padding: .85rem 1rem; border: 1px solid var(--steel); border-radius: var(--radius); background: var(--surface-raised); color: var(--ink); font-size: 1rem; line-height: 1.5; transition: border-color var(--duration-fast), box-shadow var(--duration-fast); }
.form-field select { padding-right: 2rem; }
.form-field textarea { min-height: 9rem; }
.form-field input:hover, .form-field select:hover, .form-field textarea:hover { border-color: var(--slate); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--accent-deep); outline: 2px solid var(--accent-deep); outline-offset: 2px; background: var(--white); }
.form-field input[aria-invalid='true'], .form-field select[aria-invalid='true'], .form-field textarea[aria-invalid='true'] { border-color: var(--error); background: var(--error-wash); }
.form-hint { color: var(--muted); font-size: .8125rem; line-height: 1.6; }
.field-error { color: var(--error); font-size: .8125rem; line-height: 1.55; font-weight: 500; }
.field-error:empty { display: none; }
.form-error-summary { padding: 1.25rem; margin-bottom: 1.5rem; border: 1px solid var(--error); border-left-width: 4px; background: var(--error-wash); }
.form-error-summary h2, .form-error-summary h3 { font-size: 1.75rem; margin-bottom: .5rem; }
.form-error-summary ul { margin-top: .75rem; }
.form-error-summary a { display: inline-block; min-height: 44px; padding-block: .5rem; color: var(--error); font-size: .875rem; }
.form-error-summary li + li { margin-top: 0; }
.check-field { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); align-items: start; gap: .85rem; padding-block: .7rem; min-height: 44px; cursor: pointer; font-size: .875rem; line-height: 1.65; }
.check-field input { appearance: auto; width: 1.2rem; height: 1.2rem; min-height: 0; margin: .15rem 0 0; accent-color: var(--accent-deep); }
.check-field a { text-decoration: underline; text-underline-offset: .2em; }
.check-field input[aria-invalid='true'] { outline: 2px solid var(--error); outline-offset: 2px; }
.form-consent { margin-block: 1.5rem; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; margin-top: 1.5rem; }
.form-actions p { max-width: 32ch; font-size: .8125rem; color: var(--muted); }
.form-section { padding-block: 2rem; border-top: var(--border); }
.form-section legend { padding: 0 .75rem 0 0; font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; }
.form-section .form-grid { padding-top: 1rem; }
.form-status { margin-top: 1rem; font-size: .875rem; }
.form-status[data-state='error'] { color: var(--error); }
.form-status[data-state='success'] { color: var(--success); }
.required-note { margin-bottom: 1.5rem; color: var(--muted); font-size: .8125rem; }
.input-with-unit { display: flex; border: 1px solid var(--steel); background: var(--surface-raised); }
.input-with-unit input { border: 0; flex: 1; }
.input-with-unit span { display: flex; align-items: center; padding: .75rem; font-family: var(--font-mono); font-size: .75rem; }

.faq-list { border-top: 1px solid var(--ink); }
.faq-item { position: relative; z-index: 0; border-bottom: var(--border); }
.faq-item summary { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 64px; padding: 1.5rem 0; list-style: none; font-family: var(--font-display); font-size: clamp(1.5rem, 2.4vw, 2.25rem); font-weight: 700; line-height: 1.15; }
.faq-item summary .icon { color: var(--accent-deep); transition: transform var(--duration-base) var(--ease-standard); }
.faq-item[open] summary .icon { transform: rotate(45deg); }
.faq-answer { position: relative; z-index: 0; max-width: 66ch; padding: 0 2.5rem 1.75rem 0; color: var(--slate); }
.faq-answer > * + * { margin-top: 1rem; }
.faq-item summary:hover { color: var(--accent-deep); }
.tab-list { display: flex; flex-wrap: wrap; gap: .5rem; border-bottom: var(--border); padding-bottom: .75rem; }
.tab-list [role='tab'] { min-height: 44px; padding: .75rem 1.1rem; background: transparent; border: 1px solid var(--line); font-size: .875rem; font-weight: 600; }
.tab-list [role='tab'][aria-selected='true'] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tab-panel { padding-block: 1.75rem; }
.tab-panel:focus-visible { outline-offset: -2px; }
.notice { display: flex; align-items: flex-start; gap: 1rem; padding: 1.5rem; background: var(--accent-wash); border-left: 3px solid var(--accent-deep); font-size: .9375rem; }
.notice > * { min-width: 0; }
.notice .icon { margin-top: .15rem; }
.notice p + p { margin-top: .75rem; }

.site-footer { position: relative; background: var(--surface); border-top: 1px solid var(--ink); padding-top: var(--space-section-sm); }
.footer-topline { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.footer-brand img { height: 2.8rem; width: auto; }
.footer-topline .eyebrow { margin: 0; }
.footer-contact-block { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: end; gap: clamp(2rem, 5vw, 5rem); padding-bottom: var(--space-section-sm); }
.footer-heading { font-size: clamp(3rem, 7.5vw, 8rem); line-height: .98; font-weight: 900; max-width: 11ch; }
.footer-primary-links { display: flex; flex-direction: column; align-items: flex-start; margin-top: 1.75rem; }
.footer-phone { display: inline-flex; align-items: center; gap: .75rem; min-height: 44px; padding-block: .65rem; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.8rem, 3.2vw, 3.25rem); line-height: 1.2; text-decoration: none; }
.footer-email { display: inline-flex; align-items: center; min-height: 44px; padding-block: .6rem; font-size: clamp(1rem, 1.6vw, 1.25rem); text-decoration: underline; }
.footer-phone:hover, .footer-email:hover { color: var(--accent-deep); }
.footer-address { border-top: 2px solid var(--accent-deep); padding-top: 1.5rem; color: var(--slate); }
.footer-address address { font-size: 1.0625rem; line-height: 1.8; max-width: 31ch; }
.footer-address .eyebrow { margin-bottom: 1rem; }
.footer-address .text-link { margin-top: 1rem; }
.footer-catalog-note { margin-top: 1.5rem; padding-top: 1.5rem; border-top: var(--border); font-size: .8125rem; max-width: 43ch; }
.footer-bottom { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem 2rem; padding-block: 1.5rem; border-top: 1px solid var(--steel); }
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1.25rem; }
.footer-legal a, .footer-legal button { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem 0; border: 0; border-radius: 0; background: transparent; font-size: .75rem; color: var(--slate); line-height: 1.5; text-decoration: underline; text-underline-offset: .2em; }
.footer-legal a:hover, .footer-legal button:hover { color: var(--accent-deep); }
.footer-copyright { align-self: center; font-family: var(--font-mono); font-size: .6875rem; color: var(--muted); }
.footer-bottom > * { min-width: 0; }
.footer-end { min-height: 2rem; background: var(--accent); }

.cookie-banner { position: fixed; inset: auto 0 0; z-index: var(--z-cookie); background: var(--paper); color: var(--ink); border-top: 2px solid var(--ink); box-shadow: 0 -5px 30px rgb(16 21 27 / .09); padding: .75rem var(--gutter) max(.75rem, env(safe-area-inset-bottom)); max-height: 33vh; overflow-y: auto; }
.cookie-inner { max-width: var(--measure); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: .75rem 2rem; }
.cookie-copy { font-size: .8125rem; line-height: 1.4; }
.cookie-copy a { text-decoration: underline; font-weight: 600; }
.cookie-actions { display: flex; flex: 0 0 auto; gap: .5rem; }
.cookie-actions button { min-height: 44px; padding: .6rem 1rem; font-size: .8125rem; line-height: 1.25; justify-content: center; }
.cookie-status { font-size: .875rem; color: var(--slate); }
.cookie-inline-controls { display: flex; flex-wrap: wrap; gap: .75rem; margin-block: 1.5rem; }
body.has-cookie-banner .chat-launcher { visibility: hidden; pointer-events: none; }
body.has-cookie-banner .chat-panel { bottom: calc(var(--cookie-height) + 1rem); max-height: calc(100dvh - var(--cookie-height) - 2rem); }

.chat-root { position: relative; z-index: var(--z-chat); }
.chat-launcher { position: fixed; right: var(--gutter); bottom: max(1.25rem, env(safe-area-inset-bottom)); display: inline-flex; align-items: center; gap: .7rem; min-height: 48px; max-width: calc(100vw - 2 * var(--gutter)); padding: .85rem 1.2rem; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); font-size: .875rem; font-weight: 600; line-height: 1.4; box-shadow: var(--shadow-panel); transition: background var(--duration-fast), visibility var(--duration-fast); }
.chat-launcher:hover { background: var(--slate); }
.chat-launcher .icon { color: var(--accent); }
.chat-unread { min-width: 1.4rem; padding: .1rem .35rem; background: var(--accent); color: var(--ink); font-family: var(--font-mono); font-size: .6875rem; text-align: center; }
.chat-launcher.is-footer-visible { visibility: hidden; pointer-events: none; }
.chat-panel { position: fixed; right: var(--gutter); bottom: max(1.25rem, env(safe-area-inset-bottom)); display: flex; flex-direction: column; width: 390px; max-width: calc(100vw - 2 * var(--gutter)); max-height: min(720px, calc(100dvh - 2.5rem)); border: 1px solid var(--slate); background: var(--paper); box-shadow: var(--shadow-panel); border-radius: var(--radius); }
.chat-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.25rem; background: var(--ink); color: var(--paper); flex-shrink: 0; }
.chat-header h2 { font-size: 1.85rem; }
.chat-header p { margin-top: .3rem; font-size: .75rem; color: var(--line); }
.chat-close { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 44px; padding: .5rem .65rem; border: 1px solid var(--steel); background: transparent; color: var(--paper); font-size: .75rem; }
.chat-close:hover { background: var(--slate); }
.chat-scroll { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 1.25rem; scrollbar-width: thin; }
.chat-greeting { font-size: .875rem; margin-bottom: 1.25rem; line-height: 1.6; }
.chat-contact-form { display: grid; gap: 1rem; }
.chat-contact-form .form-field input { min-height: 46px; padding: .65rem .85rem; }
.chat-contact-form .check-field { font-size: .75rem; gap: .6rem; }
.chat-contact-form .button { width: 100%; }
.chat-transcript { display: flex; flex-direction: column; align-items: stretch; gap: 1rem; padding: 0; list-style: none; }
.chat-transcript li { margin: 0; min-width: 0; }
.chat-message { padding: .9rem 1rem; border-left: 2px solid var(--steel); background: var(--surface); max-width: 95%; align-self: flex-start; font-size: .875rem; overflow-wrap: anywhere; }
.chat-message[data-role='visitor'] { align-self: flex-end; background: var(--accent-wash); border-left: 0; border-right: 2px solid var(--accent-deep); }
.chat-message[data-state='sending'] { opacity: .7; }
.chat-message[data-state='failed'] { border-color: var(--error); background: var(--error-wash); }
.chat-message-author { display: block; font-family: var(--font-mono); font-size: .6875rem; margin-bottom: .4rem; color: var(--slate); }
.chat-message-body { white-space: pre-wrap; line-height: 1.6; }
.chat-message-state { display: block; font-size: .6875rem; margin-top: .5rem; color: var(--muted); }
.chat-retry { display: inline-flex; align-items: center; min-height: 44px; margin-top: .35rem; padding: .4rem .7rem; border: 1px solid var(--error); background: transparent; color: var(--error); font-size: .75rem; }
.chat-compose { padding: 1rem 1.25rem; border-top: var(--border); background: var(--surface-raised); flex-shrink: 0; }
.chat-compose label { display: block; font-size: .8125rem; font-weight: 600; margin-bottom: .5rem; }
.chat-compose textarea { width: 100%; min-height: 76px; max-height: 150px; padding: .7rem; border: 1px solid var(--steel); border-radius: var(--radius); background: var(--white); font-size: 1rem; line-height: 1.5; }
.chat-compose-actions { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-top: .65rem; }
.chat-compose-actions small { color: var(--muted); font-size: .6875rem; max-width: 22ch; }
.chat-status { padding: .5rem 1.25rem; font-size: .75rem; color: var(--slate); border-top: var(--border); flex-shrink: 0; }
.chat-status:empty { display: none; }
.chat-status[data-error='true'] { color: var(--error); background: var(--error-wash); }
.chat-fallback { font-size: .75rem; margin-top: 1rem; }
.chat-fallback a { display: inline-flex; align-items: center; min-height: 44px; padding-block: .5rem; }
.chat-end { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem .25rem; border: 0; background: transparent; font-size: .75rem; color: var(--slate); text-decoration: underline; }
.chat-header :focus-visible { outline-color: var(--accent); }

@media (min-width: 1600px) {
  .header-inner { gap: 3rem; }
  .nav-link { padding-inline: 1rem; }
  .category-tile { padding-block: 3rem; }
}
@media (max-width: 1100px) {
  .header-contact { font-size: .75rem; padding-left: .75rem; }
  .header-contact .icon { display: none; }
  .header-inner { gap: 1rem; }
  .nav-link { padding-inline: .5rem; }
  .footer-bottom { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .header-contact { display: none; }
  .category-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-tile:nth-child(2) { border-right: 0; }
  .category-tile:nth-child(-n + 2) { border-bottom: var(--border); }
  .footer-contact-block { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .site-header { background: var(--paper); }
  .header-inner { flex-wrap: wrap; gap: 0 1rem; justify-content: space-between; padding-block: .6rem; }
  .brand img { height: 1.9rem; }
  .site-nav { flex-basis: 100%; margin: 0; }
  .nav-list { padding-block: .5rem; gap: .25rem .5rem; }
  .nav-link { padding-inline: .75rem; }
  .js .nav-toggle { display: inline-flex; margin-left: auto; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: block; max-height: calc(100dvh - 5rem); overflow-y: auto; padding-bottom: .75rem; }
  .js .site-nav .nav-list { display: grid; grid-template-columns: minmax(0, 1fr); padding-top: 1rem; }
  .js .site-nav .nav-link { min-height: 52px; padding: .8rem 0; font-family: var(--font-display); font-size: 1.75rem; line-height: 1.2; border-bottom: 1px solid var(--line); }
  .js .site-nav .nav-link[aria-current='page'] { color: var(--accent-deep); border-color: var(--accent-deep); }
  .js .site-header.is-condensed .nav-link[aria-current='page'] { color: var(--accent); }
  .site-header:has(.site-nav.is-open) { background: var(--paper); color: var(--ink); }
  .site-header.is-condensed:has(.site-nav.is-open) { background: var(--ink); color: var(--paper); }
  .item-row { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .item-row .button { justify-self: start; }
  .form-grid { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .footer-contact-block { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .footer-address { max-width: none; }
  .footer-heading { max-width: 12ch; }
  .footer-legal { gap: .25rem 1rem; }
  .cookie-banner { padding: .5rem var(--gutter) max(.5rem, env(safe-area-inset-bottom)); }
  .cookie-inner { flex-direction: column; align-items: stretch; gap: .35rem; }
  .cookie-copy { font-size: .6875rem; line-height: 1.35; }
  .cookie-actions { gap: .5rem; }
  .cookie-actions button { flex: 1; font-size: .75rem; padding: .45rem .7rem; }
  .chat-panel { right: .75rem; bottom: max(.75rem, env(safe-area-inset-bottom)); width: calc(100vw - 1.5rem); max-width: none; max-height: calc(100dvh - 1.5rem); }
  .chat-launcher { right: 1rem; bottom: max(1rem, env(safe-area-inset-bottom)); }
  .chat-header { padding: .85rem 1rem; }
  .chat-scroll { padding: 1rem; }
  .chat-compose { padding: .85rem 1rem; }
  .chat-contact-form { gap: .75rem; }
  .chat-header h2 { font-size: 1.6rem; }
}
@media (max-width: 413px) {
  .category-tile { padding: 1.25rem; }
  .category-tile h3 { font-size: 1.75rem; }
  .category-tile p { font-size: .875rem; }
  .category-tile .text-link { font-size: .8125rem; gap: .5rem; }
  .spec-table th, .spec-table td { padding: .85rem .65rem; font-size: .8125rem; }
  .spec-table tbody th { width: 38%; }
  .form-actions { align-items: stretch; }
  .form-actions .button { width: 100%; }
  .footer-topline { align-items: flex-start; flex-direction: column; }
  .chat-close { gap: .25rem; padding-inline: .45rem; }
}
@media (max-width: 359px) {
  .category-row { grid-template-columns: minmax(0, 1fr); }
  .category-tile { border-right: 0; border-bottom: var(--border); }
  .category-tile:last-child { border-bottom: 0; }
  .category-tile .category-icon { margin-bottom: 1.5rem; }
  .button, .button-secondary { gap: .65rem; padding-inline: 1rem; }
  .footer-phone { font-size: 1.75rem; }
  .nav-toggle { padding-inline: .6rem; }
}
@media (hover: none) {
  .category-tile:hover { background: var(--paper); }
  .category-tile:active { background: var(--accent-wash); }
  .nav-link { -webkit-tap-highlight-color: rgb(31 182 201 / .15); }
  .button, .button-secondary, .chip { touch-action: manipulation; }
}
@media (max-height: 500px) {
  .chat-panel { overflow-y: auto; overscroll-behavior: contain; }
  .chat-scroll { flex-shrink: 0; overflow: visible; }
  .chat-header { padding-block: .65rem; }
  .chat-header p { max-width: 28ch; }
  .chat-compose { padding-block: .75rem; }
}
@media (forced-colors: active) {
  .button, .chat-launcher, .chip[aria-pressed='true'] { border: 2px solid ButtonText; }
  .nav-link[aria-current='page'] { border-bottom: 3px solid LinkText; }
  .check-field input { appearance: auto; }
  .cookie-banner, .chat-panel { border: 2px solid CanvasText; }
}
@media print {
  .site-header, .skip-link, .cookie-banner, .chat-root, .nav-toggle, .footer-legal button, .form-actions, .cookie-inline-controls { display: none !important; }
  .site-footer { background: white; padding-top: 2rem; }
  .footer-heading { font-size: 26pt; }
  .footer-contact-block { display: block; padding-bottom: 1rem; }
  .footer-address { margin-top: 1rem; }
  .footer-end { display: none; }
  .category-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-item { break-inside: avoid; }
  .spec-table th, .spec-table td { background: white; color: black; }
}