:root {
  --ink: #101419;
  --ink-2: #151b20;
  --ink-3: #20282e;
  --paper: #e8e8e2;
  --paper-2: #d9dad4;
  --muted: #a9b1b1;
  --muted-dark: #626d70;
  --line: rgba(231, 234, 231, .18);
  --line-dark: rgba(16, 20, 25, .18);
  --copper: #b67450;
  --copper-light: #d18d65;
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --sans: "Manrope", Arial, sans-serif;
  --display: "Oswald", Impact, sans-serif;
  --page: min(100% - 112px, 1360px);
  --header-height: 86px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: 16px; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { color: var(--ink); background: var(--copper-light); }
.site-shell { overflow: clip; }
.page-width { width: var(--page); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; transform: translateY(-160%); background: var(--paper); color: var(--ink); padding: 12px 16px; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--copper-light); outline-offset: 3px; }

.site-header { position: sticky; isolation: isolate; z-index: 20; top: 0; width: var(--page); min-height: var(--header-height); margin: 0 auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: clamp(16px, 2.3vw, 34px); }
.site-header::before { content: ""; position: absolute; z-index: -1; inset: 0 auto 0 50%; width: 100vw; transform: translateX(-50%); border-bottom: 1px solid var(--line); background: rgba(16, 20, 25, .96); pointer-events: none; }
section[id], #request { scroll-margin-top: var(--header-height); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; white-space: nowrap; }
.brand-symbol { width: 25px; height: 30px; flex: 0 0 25px; display: flex; align-items: stretch; gap: 3px; transform: skew(-13deg); }
.brand-symbol i { display: block; width: 6px; background: var(--copper); }
.brand-symbol i:nth-child(2) { background: #b9c0c2; margin: 5px 0; }
.brand-symbol i:nth-child(3) { background: #687277; margin: 10px 0; }
.brand-word { display: block; color: #f0f0e9; font-size: 18px; line-height: 1; font-weight: 800; letter-spacing: .1em; }
.brand-word small { display: block; padding-top: 5px; color: #c0c7c6; font: 12px/1.1 var(--mono); letter-spacing: .08em; }
.site-nav { display: flex; justify-content: center; align-items: center; gap: clamp(15px, 2vw, 30px); }
.site-nav > a { position: relative; padding: 12px 0; color: #e0e3df; font-size: 14px; font-weight: 600; white-space: nowrap; transition: color .2s; }
.site-nav > a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 1px; background: var(--copper-light); transition: right .22s ease; }
.site-nav > a:hover, .site-nav > a.is-active { color: #fff; }
.site-nav > a:hover::after, .site-nav > a.is-active::after { right: 0; }
.header-contact { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; white-space: nowrap; }
.header-contact a:first-child { font-size: 16px; font-weight: 700; color: var(--paper); }
.header-contact a:last-child { color: #c2c8c6; font-size: 13px; }
.header-contact a:hover, .contact-lines a:hover, .footer-contact a:hover { color: var(--copper-light); }
.header-action { min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 16px; padding: 0 16px; border: 1px solid rgba(222, 226, 223, .45); color: #f2f1ea; font-size: 14px; font-weight: 700; white-space: nowrap; transition: color .2s, background .2s, border-color .2s; }
.header-action span { color: var(--copper-light); transition: transform .2s; }
.header-action:hover { border-color: var(--copper); background: var(--copper); color: var(--ink); }
.header-action:hover span { color: var(--ink); transform: translate(3px, -2px); }
.menu-toggle { display: none; }
.mobile-menu-meta { display: none; }

.hero { width: var(--page); min-height: 600px; max-height: 760px; margin: 0 auto; padding: 43px 0 52px; display: grid; grid-template-columns: minmax(390px, .86fr) minmax(0, 1.14fr); align-items: stretch; gap: clamp(32px, 5vw, 78px); }
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 24px 0; animation: arrive .65s ease both; }
.hero-kicker, .section-kicker { display: flex; align-items: center; gap: 11px; margin: 0; color: #d1d6d3; font: 13px/1.35 var(--mono); letter-spacing: .035em; }
.hero-kicker span, .section-kicker span { display: inline-block; width: 26px; height: 1px; background: var(--copper-light); }
.hero h1 { max-width: 620px; margin: 26px 0 18px; color: #f0f0e9; font: 500 clamp(57px, 6.2vw, 84px)/1.04 var(--display); letter-spacing: -.025em; }
h1 em, h2 em { color: var(--copper-light); font-style: normal; }
.hero-intro { max-width: 510px; margin: 0; color: #c0c7c6; font-size: 18px; line-height: 1.6; }
.hero-phone { margin-top: 24px; color: var(--paper); font-size: 20px; font-weight: 700; transition: color .2s; }
.hero-phone:hover { color: var(--copper-light); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 17px; padding: 0 17px; border: 1px solid transparent; border-radius: 0; font-size: 14px; line-height: 1.25; font-weight: 700; cursor: pointer; transition: color .22s, background .22s, border-color .22s, transform .22s; }
.button span { color: var(--copper-light); font-size: 18px; font-weight: 400; transition: transform .22s, color .22s; }
.button:hover { transform: translateY(-1px); }
.button:hover span { transform: translate(3px, -2px); }
.button-copper { background: var(--copper); color: #11161a; }
.button-copper span { color: #11161a; }
.button-copper:hover { background: var(--copper-light); border-color: var(--copper-light); }
.button-outline { border-color: rgba(230, 233, 227, .46); background: transparent; color: var(--paper); }
.button-outline:hover { border-color: var(--copper-light); color: var(--copper-light); }
.hero-address { margin: 25px 0 0; color: #bec5c4; font-size: 14px; }
.hero-visual { position: relative; min-width: 0; min-height: 470px; overflow: hidden; background: #252d32 url("assets/hero-steel.png") center/cover no-repeat; box-shadow: inset 0 0 0 1px rgba(242, 242, 235, .12); animation: arrive .8s .08s ease both; }
.hero-visual::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,20,25,.28), rgba(16,20,25,.02) 70%, rgba(16,20,25,.22)), linear-gradient(0deg, rgba(16,20,25,.36), transparent 38%); }
.hero-visual::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(237,239,232,.2); pointer-events: none; }
.hero-visual-shade { position: absolute; inset: 0; background: linear-gradient(135deg, transparent 53%, rgba(182,116,80,.12)); }
.hero-image-mark { position: absolute; z-index: 1; right: 30px; bottom: 28px; color: rgba(244,242,233,.88); font: 13px var(--mono); letter-spacing: .12em; }

.price-section { padding: 72px 0 78px; background: var(--paper); color: var(--ink); }
.price-heading { display: grid; grid-template-columns: 1fr minmax(320px, .7fr); gap: 60px; align-items: center; }
.price-heading .section-kicker, .catalog-section .section-kicker, .company-copy .section-kicker, .contact-heading .section-kicker { color: #4e5a5d; }
.price-heading h2, .catalog-heading h2, .company-copy h2, .delivery-layout h2, .contact-heading h2 { margin: 18px 0 0; color: var(--ink); font: 500 clamp(44px, 5vw, 64px)/1.04 var(--display); letter-spacing: -.015em; }
.price-intro { max-width: 540px; margin: 18px 0 0; color: #4e5a5d; font-size: 17px; line-height: 1.65; }
.price-meta { display: grid; gap: 16px; padding-left: 24px; border-left: 1px solid #aeb6b4; }
.price-meta-date { margin: 0; color: #455155; font: 13px/1.5 var(--mono); }
.price-download { justify-self: start; min-height: 56px; padding-inline: 24px; font-size: 15px; }
.price-contact { display: flex; align-items: baseline; flex-wrap: wrap; gap: 18px; }
.price-phone { color: #171d20; font-size: 18px; font-weight: 700; transition: color .2s; }
.price-whatsapp { color: #4e5a5d; font-size: 15px; font-weight: 700; transition: color .2s; }
.price-whatsapp span { display: inline-block; padding-left: 4px; color: #9b6040; transition: transform .2s; }
.price-phone:hover, .price-whatsapp:hover { color: #9b6040; }
.price-whatsapp:hover span { transform: translate(3px, -2px); }

.catalog-section { background: var(--paper); color: var(--ink); }
.catalog-section.section-pad { padding: 56px 0 60px; }
.section-pad { padding: 86px 0 94px; }
.catalog-heading, .contact-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 30px; }
.catalog-section .catalog-heading { margin-bottom: 24px; }
.catalog-heading h2 { color: var(--ink); }
.catalog-heading > p, .contact-heading > p { max-width: 400px; margin: 0 0 4px; color: #c0c7c6; font-size: 17px; line-height: 1.6; }
.catalog-heading > p { color: #4e5a5d; }
.catalog-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); column-gap: 24px; row-gap: 16px; }
.catalog-item { min-width: 0; display: grid; grid-template-rows: auto auto; align-content: start; gap: 8px; color: var(--ink); text-align: center; transition: transform .22s ease; }
.catalog-item:hover { transform: translateY(-4px); }
.catalog-item:focus-visible { outline-color: #935a3e; outline-offset: 4px; }
.catalog-visual { position: relative; display: block; width: 100%; aspect-ratio: 1 / 1; overflow: hidden; background: #e8e8e2; }
.catalog-image { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; background: #e8e8e2; transition: transform .38s ease; }
.catalog-more { position: absolute; inset: 0; display: flex; align-items: flex-end; justify-content: space-between; padding: 18px; background: linear-gradient(0deg, rgba(16,20,25,.91), rgba(16,20,25,.66)); color: #f2f1ea; font-size: 15px; font-weight: 700; opacity: 0; transition: opacity .24s ease; }
.catalog-more b { color: var(--copper-light); font-size: 21px; font-weight: 400; transition: transform .22s ease; }
.catalog-item:hover .catalog-more, .catalog-item:focus-visible .catalog-more { opacity: 1; }
.catalog-item:hover .catalog-image, .catalog-item:focus-visible .catalog-image { transform: scale(1.035); }
.catalog-item:hover .catalog-more b, .catalog-item:focus-visible .catalog-more b { transform: translateX(4px); }
.catalog-name { position: relative; justify-self: center; width: fit-content; max-width: 100%; margin: 0; color: #171d20; font-size: 18px; font-weight: 700; line-height: 1.3; }
.catalog-name::after { content: ""; position: absolute; bottom: -4px; left: 50%; width: 0; height: 1px; transform: translateX(-50%); background: #a86443; transition: width .22s ease; }
.catalog-item:hover .catalog-name::after, .catalog-item:focus-visible .catalog-name::after { width: 48%; }
.catalog-loading { color: #4e5a5d; font-size: 16px; }

.company-section { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); background: var(--paper); color: var(--ink); }
.company-visual { position: relative; min-height: 470px; background: #273137 url("assets/company-steel-sections.png") center/cover no-repeat; }
.company-visual::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(236,238,230,.45); }
.company-copy { display: flex; align-items: center; padding: clamp(48px, 7vw, 104px); }
.company-copy-inner { max-width: 510px; }
.company-copy h2 { font-size: clamp(50px, 5.2vw, 70px); }
.company-copy p { margin: 23px 0 0; color: #4e5a5d; font-size: 17px; line-height: 1.7; }
.text-link-dark { display: inline-flex; align-items: center; gap: 13px; margin-top: 27px; padding-bottom: 8px; border-bottom: 1px solid #899290; color: #182024; font-size: 15px; font-weight: 700; }
.text-link-dark span { color: #9b6040; transition: transform .2s; }
.text-link-dark:hover { color: #9b6040; border-color: #9b6040; }
.text-link-dark:hover span { transform: translate(3px, -2px); }

.delivery-section { background: #171d22; }
.delivery-layout { display: grid; grid-template-columns: minmax(240px, .7fr) 1.3fr; align-items: center; gap: 70px; }
.delivery-layout h2 { color: var(--paper); }
.delivery-details { display: grid; grid-template-columns: 1fr 1fr; column-gap: 34px; border-top: 1px solid var(--line); }
.delivery-details p { display: flex; align-items: baseline; gap: 15px; margin: 0; padding: 21px 0; border-bottom: 1px solid var(--line); color: #f0f0e9; font-size: 17px; }
.delivery-details p span { color: var(--copper-light); font: 12px var(--mono); }
.delivery-details a { grid-column: 1 / -1; justify-self: start; margin-top: 18px; color: #c6cdcb; font-size: 15px; }
.delivery-details a b { padding-left: 8px; color: var(--copper-light); font-weight: 400; }
.delivery-details a:hover { color: var(--copper-light); }

.contact-section { background: var(--paper); color: var(--ink); }
.contact-heading { margin-bottom: 36px; }
.contact-heading h2 { color: var(--ink); }
.contact-heading > p { color: #4e5a5d; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact-information { min-width: 0; }
.contact-lines { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 24px; font-style: normal; }
.contact-lines > div { display: flex; flex-direction: column; gap: 8px; min-width: 0; padding: 0 18px 20px 0; border-bottom: 1px solid #bbc2bf; }
.contact-lines > div:nth-child(n + 3) { padding-top: 18px; }
.contact-lines span { color: #4d595c; font: 12px var(--mono); }
.contact-lines strong, .contact-lines a { color: #13191d; font-size: 17px; font-weight: 700; line-height: 1.4; overflow-wrap: anywhere; }
.contact-lines a { transition: color .2s; }
.map-frame { position: relative; min-height: 285px; overflow: hidden; background: #cdd1cd; }
.map-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.55) contrast(.92); }
.map-frame > a { position: absolute; right: 12px; bottom: 12px; display: flex; align-items: center; gap: 12px; padding: 11px 14px; background: var(--ink); color: var(--paper); font-size: 14px; font-weight: 700; }
.map-frame > a span { color: var(--copper-light); }
.map-frame > a:hover { background: var(--copper); color: var(--ink); }

.request-form { padding: 27px 30px 26px; background: var(--ink-2); color: var(--paper); }
.form-heading { padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.form-heading .section-kicker { color: #d3d8d4; }
.form-heading h3 { margin: 17px 0 0; font: 500 32px/1.1 var(--display); }
.form-heading > p:last-child { max-width: 390px; margin: 12px 0 0; color: #c0c7c6; font-size: 15px; line-height: 1.55; }
.form-field { display: flex; flex-direction: column; gap: 7px; margin-top: 18px; }
.form-field > span { color: #e0e4e0; font: 13px/1.3 var(--mono); }
.form-field > span small { margin-left: 7px; color: #b4bcba; font: 12px var(--sans); }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-width: 0; min-height: 43px; padding: 9px 0; border: 0; border-bottom: 1px solid rgba(230,233,227,.45); border-radius: 0; outline: 0; background: transparent; color: var(--paper); font-size: 16px; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #bdc4c1; opacity: 1; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-bottom: 2px solid var(--copper-light); outline: 0; }
.form-field select option { background: var(--ink-2); color: var(--paper); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.consent { display: flex; align-items: flex-start; gap: 11px; margin-top: 20px; color: #d0d6d2; font-size: 13px; line-height: 1.55; cursor: pointer; }
.consent input { flex: 0 0 17px; width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--copper); }
.submit-button { width: 100%; justify-content: space-between; margin-top: 20px; }
.form-status { min-height: 20px; margin: 12px 0 0; color: var(--copper-light); font-size: 14px; line-height: 1.5; }

.site-footer { background: #0c1013; }
.footer-main { display: grid; grid-template-columns: 1.1fr .9fr 1.1fr auto; align-items: start; gap: 35px; padding: 42px 0 34px; }
.footer-brand { align-self: start; }
.footer-company { margin: 0; color: #dbe0dc; font-size: 15px; line-height: 1.65; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact a { color: #f0f0e9; font-size: 16px; font-weight: 600; transition: color .2s; }
.footer-contact span { color: #bdc5c2; font-size: 14px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.footer-links a { color: #d0d6d2; font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: var(--copper-light); }
.footer-bottom { min-height: 50px; display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 12px max(calc((100% - 1360px)/2), 56px); border-top: 1px solid var(--line); color: #bdc5c2; font: 12px var(--mono); }
.footer-bottom a { color: #e2e6e1; }
.footer-bottom a:hover { color: var(--copper-light); }
.footer-bottom b { padding-left: 8px; color: var(--copper-light); font: 16px var(--sans); }

.whatsapp-float { position: fixed; z-index: 30; right: 24px; bottom: 22px; display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 17px; border: 1px solid rgba(245,247,240,.22); background: #171d22; color: #f0f0e9; font-size: 14px; font-weight: 700; box-shadow: 0 9px 24px rgba(0,0,0,.2); transition: background .2s, transform .2s; }
.whatsapp-float svg { width: 20px; height: 20px; fill: #85c99b; }
.whatsapp-float:hover { transform: translateY(-2px); background: #26372e; }

@keyframes arrive {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1190px) {
  :root { --page: calc(100% - 64px); }
  .site-header { grid-template-columns: auto minmax(0,1fr) auto auto; gap: 14px; }
  .brand-word { font-size: 16px; letter-spacing: .08em; }
  .site-nav { gap: 14px; }
  .site-nav > a { font-size: 13px; }
  .header-contact a:first-child { font-size: 14px; }
  .header-contact a:last-child { font-size: 12px; }
  .header-action { padding-inline: 12px; font-size: 13px; }
  .hero { grid-template-columns: minmax(340px,.9fr) minmax(0,1.1fr); }
  .hero h1 { font-size: clamp(55px,6.3vw,76px); }
  .catalog-list { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .price-heading { gap: 34px; }
  .contact-layout { gap: 32px; }
  .footer-main { gap: 23px; }
}

@media (max-width: 900px) {
  :root { --page: calc(100% - 48px); }
  .site-header { grid-template-columns: auto 1fr auto; }
  .header-contact { display: none; }
  .site-nav { justify-content: flex-end; }
  .hero { min-height: 0; grid-template-columns: 1fr 1fr; gap: 26px; padding: 36px 0 42px; }
  .hero h1 { font-size: clamp(49px,6.2vw,66px); }
  .hero-intro { font-size: 17px; }
  .hero-visual { min-height: 430px; }
  .price-heading { grid-template-columns: 1fr .8fr; gap: 26px; }
  .catalog-list { grid-template-columns: repeat(3, minmax(0,1fr)); column-gap: 22px; }
  .company-copy { padding: 44px; }
  .contact-layout { grid-template-columns: 1fr; }
  .request-form { max-width: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  :root { --page: calc(100% - 40px); }
  :root { --header-height: 74px; }
  body { font-size: 16px; }
  .site-header { min-height: 74px; grid-template-columns: minmax(0,1fr) auto; gap: 14px; }
  .brand { gap: 9px; }
  .brand-symbol { width: 21px; height: 26px; flex-basis: 21px; gap: 2px; }
  .brand-symbol i { width: 5px; }
  .brand-word { font-size: 16px; letter-spacing: .07em; }
  .brand-word small { padding-top: 4px; font-size: 11px; }
  .menu-toggle { width: 44px; height: 44px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; border: 1px solid rgba(230,233,227,.4); background: transparent; cursor: pointer; }
  .menu-toggle span { width: 18px; height: 1px; background: var(--paper); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: calc(100% + 1px); left: -20px; right: -20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 18px; border-bottom: 1px solid var(--line); background: #151b20; box-shadow: 0 16px 20px rgba(0,0,0,.18); }
  .site-nav.is-open { display: flex; }
  .site-nav > a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid rgba(230,233,227,.14); font-size: 16px; }
  .site-nav > a::after { bottom: 7px; right: 100%; }
  .site-nav > a:hover::after, .site-nav > a.is-active::after { right: auto; width: 34px; }
  .mobile-menu-meta { display: grid; gap: 9px; padding: 15px 0 2px; color: #f1f1ea; font-size: 15px; }
  .mobile-phone { font-size: 18px; font-weight: 700; }
  .mobile-menu-meta > a:not(.button):hover { color: var(--copper-light); }
  .mobile-action { width: 100%; margin-top: 5px; justify-content: space-between; }
  .header-action { display: none; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 36px 0 44px; }
  .hero-copy { padding: 0; }
  .hero h1 { max-width: 100%; margin: 22px 0 14px; font-size: clamp(48px,12vw,64px); }
  .hero-intro { max-width: 58ch; font-size: 16px; line-height: 1.6; }
  .hero-phone { margin-top: 18px; font-size: 18px; }
  .hero-actions { width: 100%; gap: 9px; margin-top: 22px; }
  .hero-actions .button { flex: 1 1 0; min-width: 0; min-height: 50px; gap: 7px; padding-inline: 11px; font-size: 13px; }
  .hero-address { margin-top: 16px; font-size: 14px; }
  .hero-visual { min-height: 0; height: min(78vw, 340px); }
  .hero-image-mark { right: 22px; bottom: 22px; font-size: 12px; }
  .price-section { padding: 56px 0 60px; }
  .price-heading { grid-template-columns: 1fr; gap: 24px; }
  .price-heading h2, .catalog-heading h2, .company-copy h2, .delivery-layout h2, .contact-heading h2 { margin-top: 14px; font-size: clamp(42px,11vw,55px); }
  .price-intro { margin-top: 14px; font-size: 16px; }
  .price-meta { padding: 18px 0 0; border-left: 0; border-top: 1px solid #aeb6b4; gap: 14px; }
  .price-download { width: 100%; justify-content: space-between; }
  .price-contact { justify-content: space-between; gap: 12px; }
  .price-phone { font-size: 16px; }
  .price-whatsapp { font-size: 14px; }
  .section-pad { padding: 64px 0 70px; }
  .catalog-heading, .contact-heading { flex-direction: column; align-items: flex-start; gap: 15px; margin-bottom: 23px; }
  .catalog-section.section-pad { padding: 64px 0 70px; }
  .catalog-section .catalog-heading { margin-bottom: 23px; }
  .catalog-heading > p, .contact-heading > p { font-size: 16px; }
  .catalog-list { grid-template-columns: repeat(2, minmax(0,1fr)); column-gap: 16px; row-gap: 26px; }
  .catalog-item { gap: 10px; }
  .catalog-name { font-size: 17px; }
  .company-section { grid-template-columns: 1fr; }
  .company-visual { min-height: 0; height: min(74vw, 310px); }
  .company-copy { padding: 48px 20px 54px; }
  .company-copy p { margin-top: 17px; font-size: 16px; }
  .delivery-layout { grid-template-columns: 1fr; gap: 24px; }
  .delivery-details { grid-template-columns: 1fr; }
  .delivery-details p { padding: 16px 0; font-size: 16px; }
  .delivery-details a { margin-top: 15px; font-size: 14px; }
  .contact-heading { margin-bottom: 25px; }
  .contact-layout { gap: 28px; }
  .contact-lines { grid-template-columns: 1fr 1fr; }
  .contact-lines > div { padding-right: 9px; }
  .contact-lines > div:nth-child(even) { padding-left: 10px; border-left: 1px solid #bbc2bf; }
  .contact-lines span { font-size: 11px; }
  .contact-lines strong, .contact-lines a { font-size: 15px; }
  .map-frame { min-height: 260px; }
  .request-form { padding: 22px 19px 20px; }
  .form-heading h3 { font-size: 30px; }
  .form-heading > p:last-child { font-size: 14px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-field > span { font-size: 12px; }
  .consent { font-size: 12px; }
  .submit-button { font-size: 14px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 23px 16px; padding: 32px 0 26px; }
  .brand-word { font-size: 15px; }
  .footer-company { font-size: 13px; }
  .footer-contact { grid-column: 1 / -1; gap: 8px; }
  .footer-contact a { font-size: 16px; }
  .footer-contact span { font-size: 14px; }
  .footer-links { grid-column: 1 / -1; gap: 9px 17px; }
  .footer-links a { font-size: 14px; }
  .footer-bottom { padding: 12px 20px; font-size: 11px; }
  .whatsapp-float { right: 15px; bottom: max(14px, env(safe-area-inset-bottom)); min-height: 52px; padding: 0 15px; }
}

@media (max-width: 390px) {
  :root { --page: calc(100% - 36px); }
  .site-nav { left: -18px; right: -18px; }
  .brand-word { font-size: 15px; letter-spacing: .055em; }
  .hero h1 { font-size: 47px; }
  .hero-actions .button { font-size: 12px; }
  .price-contact { align-items: flex-start; flex-direction: column; }
  .catalog-list { column-gap: 12px; row-gap: 22px; }
  .catalog-name { font-size: 16px; }
  .contact-lines strong, .contact-lines a { font-size: 14px; }
  .whatsapp-float span { display: none; }
  .whatsapp-float { width: 54px; height: 54px; justify-content: center; padding: 0; }
  .whatsapp-float svg { width: 23px; height: 23px; }
}

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

.category-page { min-height: 500px; background: var(--ink); color: var(--paper); }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; padding: 30px 0 0; color: #c7cfcc; font: 13px/1.5 var(--mono); }
.breadcrumbs a { color: #e1e5e1; transition: color .2s; }
.breadcrumbs a:hover { color: var(--copper-light); }
.breadcrumbs span[aria-current="page"] { color: #fff; }
.category-layout { display: grid; grid-template-columns: minmax(220px, 260px) minmax(0, 1fr); align-items: start; gap: clamp(36px, 5vw, 72px); padding: 32px 0 80px; }
.category-sidebar { min-width: 0; }
.category-sidebar-label { margin: 0 0 14px; color: var(--copper-light); font: 12px/1.4 var(--mono); letter-spacing: .08em; }
.category-menu { border-top: 1px solid var(--line); }
.category-group { border-bottom: 1px solid var(--line); }
.category-group > summary { min-height: 50px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #dce1dd; font: 13px/1.3 var(--mono); letter-spacing: .045em; cursor: pointer; list-style: none; }
.category-group > summary::-webkit-details-marker, .all-categories-mobile > summary::-webkit-details-marker { display: none; }
.category-group > summary::after { content: "+"; color: var(--copper-light); font: 18px/1 var(--sans); }
.category-group[open] > summary::after { content: "−"; }
.category-group-links { display: grid; padding: 0 0 12px; }
.category-group-links a { min-height: 42px; display: flex; align-items: center; padding: 8px 10px; border-left: 1px solid transparent; color: #bdc5c2; font-size: 15px; line-height: 1.4; transition: color .18s, border-color .18s, background .18s; }
.category-group-links a:hover { color: #fff; border-left-color: var(--copper-light); background: rgba(182,116,80,.08); }
.category-group-links a.is-current { color: var(--copper-light); border-left-color: var(--copper-light); background: rgba(182,116,80,.12); font-weight: 700; }
.all-categories-mobile { display: none; }
.category-title { margin-bottom: 28px; }
.category-title h1 { max-width: 900px; margin: 18px 0 0; color: #f0f0e9; font: 500 clamp(46px, 5.2vw, 68px)/1.04 var(--display); letter-spacing: -.015em; overflow-wrap: normal; }
.category-overview { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: start; gap: clamp(24px, 3.5vw, 48px); }
.category-photo { min-width: 0; margin: 0; overflow: hidden; border: 1px solid rgba(231,234,231,.16); background: #232b30; }
.category-photo img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; }
.category-copy { min-width: 0; }
.category-copy p { margin: 0 0 17px; color: #d0d6d3; font-size: 17px; line-height: 1.7; }
.category-copy p:last-child { margin-bottom: 0; }
.category-uses { display: grid; grid-template-columns: minmax(190px, .75fr) minmax(0, 1.25fr); align-items: start; gap: 32px; margin-top: 52px; padding: 27px 0 31px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.category-uses h2, .category-facts-heading h2, .category-request-copy h2, .related-heading h2 { margin: 14px 0 0; color: #f0f0e9; font: 500 clamp(34px, 3.7vw, 46px)/1.08 var(--display); }
.application-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; margin: 0; padding: 0; list-style: none; counter-reset: app; }
.application-list li { position: relative; min-height: 48px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid rgba(231,234,231,.13); color: #e3e7e3; font-size: 15px; line-height: 1.45; counter-increment: app; }
.application-list li::before { content: counter(app, decimal-leading-zero); flex: 0 0 25px; color: var(--copper-light); font: 12px var(--mono); }
.category-facts { margin-top: 50px; padding: 27px 28px 22px; border: 1px solid rgba(231,234,231,.17); background: #151b20; }
.category-facts-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.category-facts-heading > div > p:last-child { margin: 11px 0 0; color: #c6cecb; font-size: 15px; line-height: 1.5; }
.category-facts-count { display: flex; align-items: center; gap: 12px; margin: 0; white-space: nowrap; }
.category-facts-count strong { color: var(--copper-light); font: 500 54px/.95 var(--display); }
.category-facts-count span { color: #e0e4e0; font: 13px/1.4 var(--mono); }
.category-facts-list { margin: 0; }
.category-fact { display: grid; grid-template-columns: minmax(145px, .43fr) minmax(0, 1fr); gap: 20px; padding: 15px 0; border-bottom: 1px solid rgba(231,234,231,.13); }
.category-fact:last-child { border-bottom: 0; }
.category-fact dt { color: #c7cfcc; font: 13px/1.5 var(--mono); }
.category-fact dd { min-width: 0; margin: 0; color: #f0f0e9; font-size: 15px; line-height: 1.55; overflow-wrap: anywhere; }
.category-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
.category-actions .button { min-height: 52px; padding-inline: 20px; font-size: 15px; }
.category-note { margin: 15px 0 0; color: #bec6c3; font-size: 14px; line-height: 1.6; }
.category-request { background: #151b20; }
.category-request-layout { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); align-items: start; gap: clamp(32px, 6vw, 88px); }
.category-request-copy { padding-top: 10px; }
.category-request-copy > p:not(.section-kicker) { max-width: 380px; margin: 18px 0 23px; color: #c6cecb; font-size: 17px; line-height: 1.6; }
.category-request-copy > a { color: #f0f0e9; font-size: 19px; font-weight: 700; transition: color .2s; }
.category-request-copy > a:hover { color: var(--copper-light); }
.related-section { padding: 68px 0 76px; background: #11171b; }
.related-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 25px; }
.related-heading h2 { font-size: clamp(38px, 4vw, 52px); }
.related-heading > a { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 7px; border-bottom: 1px solid rgba(231,234,231,.35); color: #e3e7e3; font-size: 15px; font-weight: 700; transition: color .2s, border-color .2s; }
.related-heading > a span { color: var(--copper-light); }
.related-heading > a:hover { color: var(--copper-light); border-color: var(--copper-light); }
.related-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.related-card { min-width: 0; display: grid; gap: 11px; color: #f0f0e9; text-align: center; font-size: 16px; font-weight: 700; line-height: 1.4; transition: color .2s, transform .22s; }
.related-card:hover { color: var(--copper-light); transform: translateY(-3px); }
.related-image { display: block; overflow: hidden; background: #e8e8e2; }
.related-image img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .3s; }
.related-card:hover img { transform: scale(1.03); }

@media (max-width: 980px) {
  .category-layout { grid-template-columns: minmax(190px, 220px) minmax(0, 1fr); gap: 28px; }
  .category-overview { gap: 22px; }
  .category-facts { padding-inline: 20px; }
  .category-fact { grid-template-columns: minmax(125px, .4fr) minmax(0, 1fr); gap: 14px; }
}

@media (max-width: 760px) {
  .breadcrumbs { gap: 8px; padding-top: 22px; font-size: 12px; }
  .category-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 20px 0 62px; }
  .category-menu-desktop { display: none; }
  .all-categories-mobile { display: block; border: 1px solid rgba(231,234,231,.28); }
  .all-categories-mobile > summary { min-height: 50px; display: flex; align-items: center; justify-content: space-between; padding: 0 15px; color: #f0f0e9; font-size: 15px; font-weight: 700; cursor: pointer; list-style: none; }
  .all-categories-mobile[open] > summary { border-bottom: 1px solid var(--line); }
  .all-categories-mobile > summary span { display: inline-block; color: var(--copper-light); font-size: 18px; transition: transform .2s; }
  .all-categories-mobile[open] > summary span { transform: rotate(45deg); }
  .all-categories-mobile .category-menu { padding: 0 14px; border-top: 0; }
  .category-group > summary { min-height: 46px; }
  .category-group-links a { min-height: 41px; font-size: 15px; }
  .category-title { margin-bottom: 21px; }
  .category-title h1 { max-width: 100%; margin-top: 14px; font-size: clamp(40px, 10.4vw, 56px); line-height: 1.05; overflow-wrap: break-word; }
  .category-overview { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .category-photo img { aspect-ratio: 1 / 1; }
  .category-copy p { margin-bottom: 14px; font-size: 16px; line-height: 1.65; }
  .category-uses { grid-template-columns: minmax(0, 1fr); gap: 17px; margin-top: 34px; padding: 22px 0 25px; }
  .category-uses h2, .category-facts-heading h2, .category-request-copy h2 { font-size: clamp(34px, 8.5vw, 44px); }
  .application-list { grid-template-columns: minmax(0, 1fr); }
  .application-list li { min-height: 46px; font-size: 15px; }
  .category-facts { margin-top: 33px; padding: 20px 17px 14px; }
  .category-facts-heading { align-items: center; gap: 15px; padding-bottom: 15px; }
  .category-facts-count { gap: 8px; }
  .category-facts-count strong { font-size: 44px; }
  .category-facts-count span { font-size: 11px; }
  .category-facts-heading > div > p:last-child { font-size: 14px; }
  .category-fact { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 12px 0; }
  .category-fact dt { font-size: 12px; }
  .category-fact dd { font-size: 15px; }
  .category-actions { flex-direction: column; gap: 10px; margin-top: 22px; }
  .category-actions .button { width: 100%; justify-content: space-between; min-height: 52px; font-size: 14px; }
  .category-note { font-size: 13px; }
  .category-request-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .category-request-copy > p:not(.section-kicker) { font-size: 16px; }
  .related-section { padding: 54px 0 60px; }
  .related-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .related-heading h2 { font-size: clamp(38px, 9vw, 48px); }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 14px; }
  .related-card { font-size: 15px; }
}

@media (max-width: 390px) {
  .category-facts-heading { align-items: flex-start; }
  .category-facts-count { align-items: flex-start; flex-direction: column; gap: 4px; }
  .category-facts-count strong { font-size: 40px; }
  .related-grid { column-gap: 12px; }
  .related-card { font-size: 14px; }
}