/* Robo-Tech: self-contained, responsive public site. */
:root {
  --ink: #1c242b;
  --muted: #657079;
  --paper: #f6f4ee;
  --surface: #fff;
  --dark: #151c22;
  --dark-soft: #202a33;
  --line: #e0e1da;
  --amber: #ffbf45;
  --amber-deep: #e7a929;
  --radius: 18px;
  --shadow: 0 16px 40px rgb(19 29 35 / 8%);
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; }
button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
button, input, textarea, select { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin: 0; }
button { color: inherit; }
:focus-visible { outline: 3px solid #ce8a00; outline-offset: 5px; }
.wrap { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.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; top: 12px; left: 12px; padding: 12px 18px; z-index: 100; background: var(--amber); color: var(--dark); font-weight: 700; border-radius: 8px; transform: translateY(-170%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 20; background: var(--dark); color: #fff; border-bottom: 1px solid rgb(255 255 255 / 9%); }
.header-inner { min-height: 90px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; color: var(--dark); background: var(--amber); border-radius: 9px; font-size: 21px; font-weight: 850; letter-spacing: -.04em; }
.brand-mark svg { width: 24px; height: 24px; }
.brand-text { display: block; font-size: 21px; line-height: 1.15; font-weight: 800; letter-spacing: -.04em; }
.brand-text small { display: block; margin-top: 5px; color: #a6b0b7; font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.brand-text > span { color: var(--amber); }
.primary-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; }
.primary-nav a { color: #c4cbd0; font-size: 14px; font-weight: 600; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--amber); }
.header-phone { margin-left: 4px; color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; }
#nav-toggle { display: none; }

.hero { overflow: hidden; color: #fff; background: radial-gradient(ellipse at 90% 35%, #2a343d 0%, #192229 42%, var(--dark) 76%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.04fr; align-items: center; gap: 64px; padding-top: 72px; padding-bottom: 76px; }
.eyebrow { display: block; margin-bottom: 19px; font-size: 11px; line-height: 1.4; font-weight: 750; letter-spacing: .17em; text-transform: uppercase; color: #8c641c; }
.hero .eyebrow { color: var(--amber); }
h1 { font-size: clamp(38px, 4.3vw, 62px); line-height: 1.08; font-weight: 750; letter-spacing: -.055em; }
.hero h1 span, .hero h1 em { color: var(--amber); font-style: normal; }
.lead { margin-top: 23px; font-size: clamp(16px, 1.6vw, 18px); line-height: 1.75; color: var(--muted); }
.hero .lead { max-width: 520px; color: #bfc8ce; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; gap: 10px; padding: 13px 21px; border: 1px solid transparent; border-radius: 8px; font-size: 14px; font-weight: 700; line-height: 1.45; text-align: center; transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary { background: var(--amber); color: #172028; }
.btn-primary:hover { background: #ffd077; }
.btn-secondary { color: #fff; border-color: #52606a; background: rgb(255 255 255 / 3%); }
.btn-secondary:hover { background: rgb(255 255 255 / 9%); border-color: #7b8b96; }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #2d3943; }
.hero-note { margin-top: 19px; color: #97a4ad; font-size: 12px; line-height: 1.7; }
.hero-showcase { min-width: 0; background: #11171c; border: 1px solid #39444c; border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 70px rgb(0 0 0 / 22%); }
.showcase-stage { position: relative; aspect-ratio: 1.35; background: #212a31; }
.showcase-stage img { width: 100%; height: 100%; object-fit: contain; }
.concept-label { position: absolute; top: 16px; left: 16px; padding: 5px 10px; border: 1px solid rgb(255 255 255 / 20%); border-radius: 5px; color: #eef0f2; background: rgb(14 22 29 / 85%); font-size: 10px; font-weight: 650; letter-spacing: .055em; }
.showcase-bottom { padding: 19px 21px 21px; }
#showcase-caption { display: block; margin-bottom: 15px; color: #dfe5e9; font-size: 14px; font-weight: 600; }
.showcase-tabs { display: flex; gap: 7px; flex-wrap: wrap; }
.showcase-tabs button { min-height: 35px; padding: 6px 10px; background: #26313a; border: 1px solid #3b4650; border-radius: 6px; color: #bcc6cd; font-size: 11px; font-weight: 600; }
.showcase-tabs button:hover { color: #fff; border-color: #85909a; }
.showcase-tabs button.active, .showcase-tabs button.is-active, .showcase-tabs button[aria-pressed="true"] { background: var(--amber); border-color: var(--amber); color: #1a2229; }
.trust-strip { background: #232d35; border-top: 1px solid rgb(255 255 255 / 8%); color: #b9c3ca; font-size: 12px; }
.trust-strip > .wrap { min-height: 65px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 13px 30px; padding-block: 17px; }
.trust-strip strong { color: #fff; font-weight: 600; }
.trust-strip span::before { display: inline-block; content: ""; width: 5px; height: 5px; margin-right: 9px; vertical-align: 2px; border-radius: 50%; background: var(--amber); }

.section { padding-block: 80px; }
.section-head { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: 34px; margin-bottom: 33px; }
.section-head .eyebrow { margin-bottom: 12px; }
h2 { font-size: clamp(29px, 3vw, 40px); line-height: 1.18; font-weight: 750; letter-spacing: -.04em; }
.section-head > p:not(.eyebrow) { max-width: 450px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.category-card { min-width: 0; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.category-card > a { display: flex; flex-direction: column; height: 100%; }
.category-card:hover { border-color: #bcbeb4; box-shadow: var(--shadow); }
.category-image { position: relative; overflow: hidden; aspect-ratio: 1.65; background: #151d25; border-bottom: 1px solid var(--line); }
.category-image img { width: 100%; height: 100%; object-fit: contain; }
.category-body { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 23px 24px 25px; }
.category-index { margin-bottom: 10px; color: #987435; font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
h3 { font-size: 20px; font-weight: 700; line-height: 1.35; letter-spacing: -.025em; }
.category-body p:not(.category-index) { margin-top: 11px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.text-link { margin-top: auto; padding-top: 22px; color: var(--ink); font-size: 12px; font-weight: 750; }
.text-link::after { content: "\2192"; display: inline-block; margin-left: 10px; color: #bd8421; }
.catalog-grid > .category-card:last-child:nth-child(7) { grid-column: 1 / -1; }
.catalog-grid > .category-card:last-child:nth-child(7) > a { display: grid; grid-template-columns: 1fr 1.15fr; }
.catalog-grid > .category-card:last-child:nth-child(7) .category-image { min-height: 235px; aspect-ratio: auto; border-bottom: 0; border-right: 1px solid var(--line); }
.catalog-grid > .category-card:last-child:nth-child(7) .category-body { justify-content: center; padding: 30px 36px; }
.catalog-grid > .category-card:last-child:nth-child(7) h3 { font-size: 27px; }
.catalog-grid > .category-card:last-child:nth-child(7) .text-link { margin-top: 0; }

.project-section { background: #eaeae2; border-block: 1px solid #e0e0d6; }
.project-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 64px; }
.project-copy .eyebrow { margin-bottom: 13px; }
.project-copy > p:not(.eyebrow) { margin-top: 19px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.project-copy .btn { margin-top: 26px; }
.project-specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; margin: 26px 0 0; padding: 24px 0 0; list-style: none; border-top: 1px solid #cccfc4; }
.project-specs > * { font-size: 12px; color: var(--muted); }
.project-specs strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 15px; font-weight: 700; }
.project-specs dt { font-size: 12px; color: var(--muted); }
.project-specs dd { margin: 6px 0 0; color: var(--ink); font-size: 15px; font-weight: 700; }
.project-image { position: relative; overflow: hidden; border: 1px solid #d2d5cb; border-radius: 14px; background: #151d25; }
.project-image img { width: 100%; aspect-ratio: 1.3; object-fit: contain; }
.project-image .concept-label { inset: auto auto 16px 16px; }
.project-image > small { display: block; padding: 12px 16px; color: var(--muted); background: #fff; font-size: 10px; line-height: 1.65; }

.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.step { position: relative; padding-top: 20px; border-top: 1px solid #d5d7ce; }
.step-number { display: block; margin-bottom: 17px; color: #a0782f; font-size: 12px; font-weight: 750; letter-spacing: .12em; }
.step h3 { font-size: 19px; }
.step p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.faq-grid details { align-self: start; background: #fff; border: 1px solid var(--line); border-radius: 9px; }
.faq-grid summary { position: relative; padding: 20px 47px 20px 22px; font-size: 14px; font-weight: 650; line-height: 1.6; cursor: pointer; list-style: none; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after { content: "+"; position: absolute; right: 21px; top: 18px; color: #9a7130; font-size: 20px; font-weight: 400; }
.faq-grid details[open] summary::after { content: "\2212"; }
.faq-grid details p { padding: 0 22px 21px; color: var(--muted); font-size: 13px; line-height: 1.8; }

.contact-section { background: var(--dark); color: #fff; }
.contact-grid { display: grid; grid-template-columns: .95fr 1.05fr; align-items: start; gap: 72px; }
.contact-copy .eyebrow { color: var(--amber); margin-bottom: 14px; }
.contact-copy > p:not(.eyebrow) { margin-top: 19px; color: #b3bec7; font-size: 15px; }
.contact-list { display: flex; flex-direction: column; align-items: flex-start; gap: 19px; margin-top: 34px; }
.contact-list a { display: block; color: #fff; font-size: 18px; font-weight: 650; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--amber); }
.contact-list > span { color: #99a7b1; font-size: 13px; }
.contact-list a small, .contact-list a span { display: block; margin-top: 4px; color: #99a7b1; font-size: 12px; font-weight: 400; }
.inquiry-form { padding: 28px; background: #fff; color: var(--ink); border-radius: 14px; }
.inquiry-form label { display: block; margin-bottom: 17px; color: #374149; font-size: 12px; font-weight: 650; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { display: block; width: 100%; min-width: 0; margin-top: 7px; padding: 11px 12px; background: #f8f8f4; border: 1px solid #d7dbd4; border-radius: 6px; color: var(--ink); font-size: 14px; font-weight: 400; }
.inquiry-form input, .inquiry-form select { min-height: 46px; }
.inquiry-form textarea { min-height: 108px; resize: vertical; }
.inquiry-form input::placeholder, .inquiry-form textarea::placeholder { color: #8c969d; }
.inquiry-form input:focus, .inquiry-form textarea:focus, .inquiry-form select:focus { background: #fff; border-color: #b38533; }
.field-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.inquiry-form .btn { width: 100%; margin-top: 3px; }
.form-note { margin-top: 13px; color: var(--muted); font-size: 11px; line-height: 1.7; }
#form-status { margin-top: 12px; color: #785618; font-size: 12px; line-height: 1.6; }
#form-status:empty { margin-top: 0; }
.site-footer { padding-block: 28px; background: #10171c; color: #9ca9b1; border-top: 1px solid #2c363f; font-size: 11px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a:hover { color: #fff; }
.social-block { margin-top: 28px; }
.social-block h3 { font-size: 14px; margin-bottom: 14px; color: #d1d9df; }
.social-links { display: flex; flex-wrap: wrap; gap: 10px; }
.social-link { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; border: 1px solid #48555e; padding: 10px 14px; border-radius: 8px; color: #fff; font-size: 12px; font-weight: 600; }
.social-link svg { flex-shrink: 0; width: 23px; height: 23px; }
.social-link:hover { background: #2d3943; border-color: #bcc6cc; }
.social-whatsapp svg { color: #46d77a; }
.social-telegram svg { color: #62c5f3; }
.social-instagram svg { color: #ff86ba; }
.site-footer .social-block { margin-top: 0; }
.site-footer .social-block h3 { font-size: 11px; margin-bottom: 9px; }
.site-footer .social-link { padding: 9px; }
.site-footer .social-link span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
[data-visit-count][hidden] { display: none !important; }
.development-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.development-link { margin-top: 28px; }
.development-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; margin-bottom: 28px; }
.development-tabs a { min-height: 44px; padding: 10px 16px; border: 1px solid #d2d6cd; border-radius: 8px; background: #fff; font-size: 13px; font-weight: 650; }
.development-tabs a:hover { background: #fff0ce; border-color: #c8aa6c; }
.development-section { background: #eeeee7; }
.development-grid .category-body { min-height: 225px; }
.variant-section { background: #eeeee7; }
.variant-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.variant-card { scroll-margin-top: 24px; min-width: 0; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.variant-card h3 { font-size: 23px; line-height: 1.3; }
.variant-card > p:not(.eyebrow) { margin-top: 16px; color: var(--muted); font-size: 14px; }
.variant-card ul { padding-left: 20px; color: var(--muted); font-size: 14px; margin-block: 18px 22px; }
.variant-card li { margin-bottom: 8px; }
.variant-card .text-link { font-size: 13px; }
@media (max-width: 600px) { .development-grid, .variant-grid { grid-template-columns: 1fr; } .variant-card { padding: 24px; } .development-grid .category-body { min-height: 0; } }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-block: 25px; color: #7d878d; font-size: 11px; line-height: 1.7; }
.breadcrumb a:hover { color: #a26f16; }
.category-hero { padding-bottom: 63px; }
.category-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.category-copy .eyebrow { margin-bottom: 16px; }
.category-copy h1 { font-size: clamp(34px, 4vw, 51px); line-height: 1.12; }
.category-copy .lead { font-size: 16px; }
.category-copy .hero-actions { margin-top: 26px; }
.category-copy > .btn { margin-top: 26px; }
.category-copy .hero-note { color: var(--muted); }
.category-visual { position: relative; overflow: hidden; border: 1px solid #d7dbd4; border-radius: 14px; background: #151d25; }
.category-visual img { width: 100%; aspect-ratio: 1.24; object-fit: contain; }
.category-visual .concept-label { inset: auto auto 16px 16px; }
.detail-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: start; gap: 64px; }
.detail-main h2, .detail-aside h2 { font-size: 29px; }
.detail-main > p { margin-top: 19px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.detail-main h3 { margin-top: 27px; }
.detail-main ul { margin-top: 16px; padding-left: 21px; color: var(--muted); font-size: 14px; }
.detail-main li { margin-bottom: 9px; }
.detail-main > .text-link { display: inline-block; margin-top: 8px; }
.detail-aside { padding: 29px; background: #fff; border: 1px solid var(--line); border-radius: 13px; }
.detail-aside h2 { font-size: 24px; line-height: 1.25; }
.detail-aside > p { margin-top: 15px; color: var(--muted); font-size: 13px; }
.question-list { margin: 23px 0 0; padding: 0; list-style: none; counter-reset: question; }
.question-list li { position: relative; counter-increment: question; padding: 14px 0 14px 32px; border-top: 1px solid var(--line); color: #505d66; font-size: 13px; line-height: 1.7; }
.question-list li::before { content: counter(question, decimal-leading-zero); position: absolute; top: 15px; left: 0; color: #a77c2d; font-size: 11px; font-weight: 700; }
.detail-aside .btn { width: 100%; margin-top: 17px; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.not-found { padding-block: 100px; min-height: 58vh; }
.not-found .eyebrow { margin-bottom: 16px; }
.not-found p { margin-top: 22px; max-width: 540px; color: var(--muted); }
.not-found .btn { margin-top: 28px; }

@media (min-width: 1500px) {
  .hero-grid { padding-block: 85px; }
}

@media (max-width: 1100px) {
  .header-inner { gap: 23px; }
  .primary-nav { gap: 17px; }
  .primary-nav a, .header-phone { font-size: 12px; }
  .hero-grid, .project-grid, .category-hero-grid { gap: 36px; }
  .contact-grid, .detail-grid { gap: 40px; }
  .hero-grid { padding-block: 60px; }
  .hero h1 { font-size: 47px; }
  .category-body { padding: 21px; }
  .catalog-grid, .related-grid { gap: 18px; }
}

@media (max-width: 850px) {
  .wrap { width: min(1200px, calc(100% - 40px)); }
  .header-inner { min-height: 78px; flex-wrap: wrap; gap: 0 18px; }
  .brand-text { font-size: 20px; }
  .brand-text small { font-size: 9px; }
  .header-phone { margin-left: auto; margin-right: 6px; font-size: 12px; }
  #nav-toggle { display: flex; align-items: center; justify-content: center; gap: 7px; min-width: 43px; min-height: 43px; padding: 9px; border: 1px solid #45515b; background: transparent; color: #fff; border-radius: 6px; font-size: 12px; }
  #nav-toggle > span:not(.sr-only) { display: block; font-size: 18px; line-height: 1; }
  #nav-toggle svg { width: 20px; height: 20px; }
  .primary-nav { display: none; order: 5; flex-basis: 100%; margin-left: 0; padding: 12px 0 20px; flex-direction: column; gap: 0; align-items: stretch; }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { display: block; padding: 11px 0; border-top: 1px solid #2d3841; font-size: 14px; }
  .hero-grid { gap: 35px; grid-template-columns: 1fr; padding-top: 44px; padding-bottom: 45px; }
  .hero-copy { max-width: 680px; }
  .hero h1 { font-size: clamp(39px, 6vw, 57px); max-width: 650px; }
  .hero .lead { max-width: 600px; }
  .hero-showcase { max-width: 650px; width: 100%; }
  .showcase-stage { aspect-ratio: 1.65; }
  .trust-strip > .wrap { justify-content: flex-start; gap: 12px 28px; }
  .section { padding-block: 57px; }
  .section-head { grid-template-columns: 1fr; gap: 16px; max-width: 650px; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-grid { grid-template-columns: 1fr; gap: 32px; }
  .project-copy { max-width: 650px; }
  .project-image { max-width: 650px; }
  .project-image img { aspect-ratio: 1.65; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; }
  .step h3 { font-size: 17px; }
  .step p { font-size: 13px; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-copy { max-width: 620px; }
  .contact-list { gap: 15px; margin-top: 23px; }
  .inquiry-form { max-width: 650px; }
  .inquiry-form input, .inquiry-form textarea, .inquiry-form select { font-size: 16px; }
  .category-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .category-copy { max-width: 680px; }
  .category-copy h1 { max-width: 600px; font-size: 44px; }
  .category-visual { max-width: 650px; }
  .category-visual img { aspect-ratio: 1.65; }
  .detail-grid { grid-template-columns: 1fr; gap: 30px; }
  .detail-aside { max-width: 650px; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 30px; }
  .wrap { width: calc(100% - 32px); }
  .header-inner { min-height: 74px; gap: 0 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 35px; height: 35px; font-size: 18px; border-radius: 7px; }
  .brand-text { font-size: 18px; }
  .brand-text small { font-size: 8px; letter-spacing: .065em; }
  .header-phone { display: none; }
  #nav-toggle { margin-left: auto; }
  .hero-grid { padding-top: 35px; gap: 29px; }
  .eyebrow { font-size: 10px; letter-spacing: .125em; }
  .hero h1 { font-size: clamp(35px, 9vw, 48px); }
  .lead { margin-top: 19px; font-size: 15px; line-height: 1.75; }
  .hero-actions { gap: 9px; margin-top: 25px; }
  .hero-actions .btn { min-height: 48px; padding: 12px 16px; font-size: 13px; }
  .hero-note { font-size: 11px; }
  .showcase-stage { aspect-ratio: 1.27; }
  .hero-showcase { border-radius: 12px; }
  .showcase-bottom { padding: 16px; }
  #showcase-caption { font-size: 13px; }
  .showcase-tabs { gap: 6px; }
  .showcase-tabs button { min-height: 38px; padding-inline: 9px; font-size: 10px; }
  .concept-label { top: 11px; left: 11px; font-size: 9px; }
  .trust-strip > .wrap { display: grid; gap: 10px; padding-block: 20px; }
  .section { padding-block: 45px; }
  .section-head { margin-bottom: 26px; }
  h2 { font-size: 30px; }
  .section-head > p:not(.eyebrow) { font-size: 14px; }
  .catalog-grid, .related-grid { grid-template-columns: 1fr; gap: 17px; }
  .category-image { aspect-ratio: 1.65; }
  .category-body { padding: 22px; }
  .category-body p:not(.category-index) { font-size: 14px; }
  .category-body h3 { font-size: 21px; }
  .catalog-grid > .category-card:last-child:nth-child(7) > a { display: flex; }
  .catalog-grid > .category-card:last-child:nth-child(7) .category-image { min-height: 0; aspect-ratio: 1.65; border-right: 0; border-bottom: 1px solid var(--line); }
  .catalog-grid > .category-card:last-child:nth-child(7) .category-body { padding: 22px; }
  .catalog-grid > .category-card:last-child:nth-child(7) h3 { font-size: 21px; }
  .project-specs { gap: 17px; padding-top: 19px; margin-top: 22px; }
  .project-image img { aspect-ratio: 1.25; }
  .project-copy > p:not(.eyebrow) { font-size: 14px; }
  .steps-grid { grid-template-columns: 1fr; gap: 27px; }
  .step { padding-top: 16px; }
  .step-number { margin-bottom: 10px; }
  .step h3 { font-size: 20px; }
  .step p { font-size: 14px; }
  .faq-grid { grid-template-columns: 1fr; gap: 11px; }
  .faq-grid summary { padding-left: 18px; }
  .faq-grid details p { padding-inline: 18px; }
  .contact-copy > p:not(.eyebrow) { font-size: 14px; }
  .inquiry-form { padding: 22px 18px; border-radius: 11px; }
  .inquiry-form input, .inquiry-form textarea, .inquiry-form select { font-size: 16px; }
  .field-pair { grid-template-columns: 1fr; gap: 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 13px; }
  .footer-links { gap: 13px; }
  .breadcrumb { padding-block: 20px; font-size: 10px; }
  .category-hero { padding-bottom: 42px; }
  .category-copy h1 { font-size: clamp(32px, 8.5vw, 43px); }
  .category-copy .lead { font-size: 15px; }
  .category-visual img { aspect-ratio: 1.27; }
  .detail-main h2 { font-size: 27px; }
  .detail-main > p { font-size: 14px; }
  .detail-aside { padding: 24px 20px; }
  .not-found { padding-block: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; scroll-behavior: auto !important; }
}

@media (max-width: 850px) { .development-grid { grid-template-columns: 1fr; } }