@font-face {
  font-family: Bonyade;
  src: url("assets/BonyadeKoodakFaNum-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Bonyade;
  src: url("assets/BonyadeKoodakFaNum-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --ink: #182534;
  --navy: #092746;
  --fardid-blue: #002e63;
  --signal-red: #ff3b30;
  --deep: #10181f;
  --red: #c91e2f;
  --red-hover: #a91225;
  --red-soft: #ff9b9b;
  --muted: #52606d;
  --line: #dedfe1;
  --white: #fff;
  --radius: 16px;
  --radius-small: 9px;
  --button-corner: 22px;
  --gutter: clamp(22px, 5.1vw, 82px);
  --nav-height: 79px;
  --contact-strip-height: 29px;
  --header-height: calc(var(--nav-height) + var(--contact-strip-height));
  --motion-ease: cubic-bezier(.2,.7,.25,1);
  color: var(--ink);
  background: var(--white);
  font: 400 14px/1.7 Bonyade, Tahoma, sans-serif;
  font-synthesis: none;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 14px); }
body, h1, h2, h3, p, figure, ul, ol { margin: 0; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-inline-size: 100%; }
button, input, textarea { font: inherit; }
button { color: inherit; }
button, summary { cursor: pointer; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
[hidden] { display: none !important; }
.symbols { position: absolute; inline-size: 0; block-size: 0; overflow: hidden; }
.visually-hidden, .skip-link:not(:focus) {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus { position: fixed; z-index: 20; inset: 8px auto auto 8px; padding: 8px 14px; color: #fff; background: var(--navy); }
.shell { inline-size: min(calc(100% - 2 * var(--gutter)), 1360px); margin-inline: auto; }
.icon, .route-icon {
  display: inline-block;
  flex: none;
  inline-size: 18px;
  block-size: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.route-icon { inline-size: 29px; block-size: 29px; }
.button, .icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-block-size: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  line-height: 1.45;
  transition: color .22s, background-color .22s, border-color .22s;
}
.button { padding: 9px 15px; font-weight: 700; white-space: nowrap; }
.button, .hero-route { border-radius: 5px; border-end-end-radius: var(--button-corner); }
.button-red { color: #fff; background: var(--red); }
.button-red:hover { background: var(--red-hover); }
.button-outline { color: var(--navy); border-color: #aeb8c1; background: var(--white); }
.button-outline:hover { color: var(--red); border-color: var(--red); }
.icon-button { inline-size: 44px; padding: 0; border-color: var(--line); background: var(--white); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: #a31828; font-weight: 700; }
.text-link:hover { text-decoration: underline; text-underline-offset: .28em; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #a61626; font-size: 14px; font-weight: 700; }
.eyebrow > span:first-child { flex: none; inline-size: 23px; block-size: 2px; background: currentColor; }
.eyebrow-on-dark { color: var(--red-soft); }
.nav-language {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  direction: ltr;
}
.section { padding-block: clamp(52px, 6.35vw, 98px); }
.section-heading { position: relative; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: end; gap: clamp(20px, 6vw, 95px); margin-block-end: clamp(23px, 3.5vw, 46px); }
.section-heading::after {
  content: "";
  align-self: center;
  block-size: 3px;
  background: linear-gradient(90deg, transparent, var(--red) 14% 86%, transparent);
}
.section-heading:has(> :nth-child(2))::after {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: -13px;
  inline-size: min(42%, 360px);
}
.section-heading > p { max-inline-size: 44ch; color: var(--muted); font-size: clamp(14px, 1.3vw, 17px); }
.section-heading > .button { justify-self: end; }
h2 { margin-block-start: 9px; font-size: clamp(25px, 2.9vw, 41px); line-height: 1.2; }

.masthead {
  position: sticky;
  z-index: 10;
  inset-block-start: 0;
  block-size: var(--header-height);
  border-block-end: 1px solid #e9eaed;
  background: var(--white);
}
.masthead-contact { color: var(--fardid-blue); background: #f3f6fa; }
.masthead-contact .shell { display: flex; justify-content: flex-end; block-size: var(--contact-strip-height); }
.masthead-contact a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; }
.masthead-contact a:hover { color: var(--red); }
.masthead-contact .icon { inline-size: 14px; block-size: 14px; }
.nav-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(16px, 3vw, 48px); block-size: var(--nav-height); }
.brand img { inline-size: 139px; block-size: auto; }
.primary-nav { display: flex; align-items: center; justify-content: center; gap: clamp(12px, 2.1vw, 33px); }
.primary-nav a { display: flex; align-items: center; min-block-size: 44px; font-weight: 700; white-space: nowrap; }
.primary-nav a:hover, .nav-language:hover { color: var(--red); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-language { display: grid; place-items: center; min-block-size: 44px; padding-inline: 4px; color: var(--muted); font-size: 12px; font-weight: 700; }
.mobile-menu, .primary-nav .mobile-nav-link { display: none; }
.reading-progress {
  position: absolute;
  z-index: 2;
  inset: auto 0 -1px;
  block-size: 2px;
  background: var(--red);
  transform: scaleX(var(--progress, 0));
  transform-origin: right;
  pointer-events: none;
}

.hero { background: var(--white); }
.hero-stage {
  --hero-fade-direction: to right;
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  min-block-size: clamp(470px, 66svh, 690px);
  overflow: hidden;
}
html[dir="rtl"] .hero-stage { --hero-fade-direction: to left; }
.hero-stage::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(to top, #fff 0%, transparent 26%),
    linear-gradient(var(--hero-fade-direction), #fff 22%, rgb(255 255 255 / .98) 31%, rgb(255 255 255 / .94) 43%, rgb(255 255 255 / .24) 65%, transparent 80%);
  pointer-events: none;
}
.hero-copy { max-inline-size: 34rem; padding-block: 46px; }
.hero-identity { color: #53606c; font-size: 15px; font-weight: 700; }
.hero h1 { margin-block: 17px 19px; color: var(--navy); font-size: clamp(37px, 3.85vw, 58px); line-height: 1.14; }
.hero h1 span { display: block; margin-block-start: 6px; color: var(--red); font-size: .78em; }
.hero-intro { max-inline-size: 43ch; color: #3e4c59; font-size: clamp(14px, 1.2vw, 17px); line-height: 1.72; }
.hero-routes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-inline-size: 478px; margin-block-start: 25px; }
.hero-route {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-block-size: 54px;
  padding: 10px 14px;
  border: 1px solid var(--fardid-blue);
  color: #fff;
  background: var(--fardid-blue);
  transition: transform .29s var(--motion-ease), background-color .25s, border-color .25s, box-shadow .25s;
}
.hero-route:hover { transform: translateY(-2px); border-color: #194875; background: #0d3c70; box-shadow: 0 8px 20px #1b263422; }
.hero-route .route-icon { inline-size: 22px; block-size: 22px; }
.hero-route strong { font-size: clamp(14px, 1.1vw, 16px); line-height: 1.35; }
.plate-caption { color: #55606a; padding: 10px 3px 1px; font-size: 13px; }
.motion-frame { position: relative; isolation: isolate; overflow: hidden; background: #e9e4dc; }
.motion-frame > img, .motion-frame > video { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; }
.motion-frame > video { opacity: 0; transition: opacity .32s ease-out; pointer-events: none; }
.motion-frame.is-playing > video { opacity: 1; }
.hero-stage .hero-visual { position: absolute; z-index: -2; inset: 0; background: var(--white); pointer-events: none; }
.hero-visual > img, .hero-visual > video { object-position: 50% 70%; }
@media (min-width: 891px) {
  html[dir="ltr"] .hero-stage .hero-visual {
    inset-inline: 33% -16%;
    mask-image: linear-gradient(to right, transparent, #000 18%);
  }
}

[data-sketch-link="water"], [data-sketch="water"], #sketch-water, .catalogue-filters [data-family="water"] {
  --system-accent: #0f6291;
  --system-tint: #dff0fc;
  --system-dot: #9ddfff;
}
[data-sketch-link="gas"], [data-sketch="gas"], #sketch-gas, .catalogue-filters [data-family="gas"] {
  --system-accent: #8d4505;
  --system-tint: #ffedca;
  --system-dot: #ffcd66;
}
[data-sketch-link="alarm"], [data-sketch="alarm"], #sketch-alarm, .catalogue-filters [data-family="alarm"] {
  --system-accent: #ad152e;
  --system-tint: #ffe6e0;
  --system-dot: #ffddd4;
}
[data-sketch-link="smoke"], [data-sketch="smoke"], #sketch-smoke {
  --system-accent: #145e56;
  --system-tint: #e1f4ed;
  --system-dot: #a7efd8;
}
.hero-index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.hero-index > a {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-block-size: 65px;
  padding: 9px clamp(9px, 2.1vw, 29px);
  border-radius: var(--radius-small);
  background: #b7152c;
  color: #fff;
  font-weight: 700;
  text-align: center;
  transition: background-color .22s, transform .26s var(--motion-ease);
}
.hero-index > a:hover { background: #9b1026; transform: translateY(-2px); }
.hero-index .action-dot { inline-size: 8px; block-size: 8px; background: var(--system-dot); }

.service-layout { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, 1fr); gap: clamp(21px, 4vw, 65px); align-items: start; }
.feature-frame { min-inline-size: 0; }
.feature-visual { aspect-ratio: 1.31; border-radius: var(--radius); background: #181818; }
.feature-visual > img, .feature-visual > video { object-position: 30% center; }
.service-list { border-block-start: 1px solid var(--line); }
.service-list details { border-block-end: 1px solid var(--line); }
.service-list summary {
  display: grid;
  grid-template-columns: 1fr 30px;
  align-items: center;
  gap: 10px;
  min-block-size: 60px;
  padding: 8px 3px;
  list-style: none;
  font-size: clamp(14px, 1.24vw, 18px);
  line-height: 1.45;
  font-weight: 700;
}
summary::-webkit-details-marker { display: none; }
.service-list summary:hover, .service-list details[open] summary { color: #a31828; }
.details-mark {
  position: relative;
  display: grid;
  place-items: center;
  inline-size: 28px;
  block-size: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.details-mark::before, .details-mark::after { position: absolute; content: ""; inline-size: 10px; block-size: 1px; background: currentColor; }
.details-mark::after { transform: rotate(90deg); transition: transform .22s var(--motion-ease); }
details[open] .details-mark::after { transform: rotate(0); }
.service-description { padding: 0 3px 15px 20px; color: var(--muted); }
.service-list details[open] .service-description { animation: enter .34s var(--motion-ease) both; }
.service-description .text-link { margin-block-start: 5px; }
.service-shortcuts { display: flex; flex-wrap: wrap; gap: 5px 24px; margin-block-start: 13px; }

.equipment-section { border-block: 1px solid #e5e8ea; background: var(--white); }
.flagship-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-block-end: clamp(28px, 4vw, 51px);
}
.flagship-product { min-inline-size: 0; }
.flagship-card {
  display: grid;
  grid-template-rows: auto 1fr;
  block-size: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color .22s, box-shadow .22s;
}
.flagship-card:hover { border-color: #9eacbb; box-shadow: 0 7px 24px #15243810; }
.flagship-image { aspect-ratio: 2.22; overflow: hidden; border-block-end: 1px solid #e7e9eb; }
.flagship-image img { inline-size: 100%; block-size: 100%; object-fit: contain; }
.flagship-product:first-child .flagship-image img { object-fit: cover; }
.flagship-copy { padding: 14px 17px; text-align: center; }
.flagship-copy h3 { color: var(--navy); font-size: clamp(17px, 1.65vw, 24px); line-height: 1.35; }
.flagship-copy p { margin-block-start: 4px; color: var(--red); }
.catalogue-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-block-end: 17px;
}
.catalogue-heading h3 { color: var(--navy); font-size: clamp(22px, 2.55vw, 35px); line-height: 1.25; }
.catalogue-title > .text-link { margin-block-start: 9px; }
.catalogue-sketch { flex: none; inline-size: clamp(144px, 23vw, 302px); aspect-ratio: 1.9; background: var(--white); }
.catalogue-sketch > img, .catalogue-sketch > video { object-fit: contain; }
.catalogue-toolbar { display: grid; grid-template-columns: minmax(0,1fr); align-items: start; gap: 13px; margin-block-end: 17px; }
.catalogue-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.catalogue-filters button { min-block-size: 41px; padding: 8px 11px; border: 1px solid #ccd3da; border-radius: 8px; background: #fff; color: var(--navy); font-size: 14px; white-space: nowrap; transition: background-color .23s, color .23s, border-color .23s; }
.catalogue-filters button:hover { border-color: var(--system-accent, var(--red)); background: var(--system-tint, #fff); }
.catalogue-filters button[aria-pressed="true"] { color: #fff; border-color: var(--system-accent, var(--fardid-blue)); background: var(--system-accent, var(--fardid-blue)); }
.catalogue-search {
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  inline-size: min(100%, 660px);
  min-block-size: 55px;
  margin: 0;
  padding: 4px 5px;
  padding-inline-start: 13px;
  border: 1px solid #a5b2c2;
  border-radius: 11px;
  background: var(--white);
}
.catalogue-search:focus-within { outline: 2px solid var(--fardid-blue); outline-offset: 2px; }
.search-icon { color: var(--fardid-blue); }
.catalogue-search input { flex: 1; inline-size: 100%; min-inline-size: 0; padding: 7px 0; border: 0; outline: none; color: var(--ink); background: transparent; font-size: 14px; }
.catalogue-search input::placeholder { color: #536371; }
.catalogue-search input::-webkit-search-cancel-button { appearance: none; }
.search-submit { min-block-size: 44px; padding-inline: clamp(10px, 2vw, 20px); color: #fff; background: var(--fardid-blue); }
.search-submit:hover { background: #174777; }
.search-clear { min-block-size: 37px; inline-size: 37px; color: #516275; border-color: transparent; }
.search-clear:hover { color: var(--red); background: #f8f5f5; }
.catalogue-status { min-block-size: 28px; margin-block: 7px 6px; color: var(--muted); font-size: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.product-card { min-inline-size: 0; display: flex; }
.product-card button { flex: 1; display: flex; flex-direction: column; inline-size: 100%; min-inline-size: 0; padding: 0; overflow: hidden; border: 1px solid #dbe0e5; border-radius: var(--radius); text-align: start; background: #fff; transition: border-color .23s, box-shadow .25s; }
.product-card button:hover { border-color: #c19b9e; box-shadow: 0 9px 24px #15243813; }
.product-image { position: relative; display: grid; place-items: center; flex: none; inline-size: 100%; aspect-ratio: 4 / 2.6; overflow: hidden; border-block-end: 1px solid #e8ecf1; color: #5b6f80; background: #fff; }
.product-image img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; padding: clamp(8px, 1.25vw, 18px); object-fit: contain; transition: transform .35s var(--motion-ease); }
.product-card button:hover img { transform: scale(1.035); }
.product-image--icon { background: linear-gradient(#e5e8ea 1px, transparent 1px), linear-gradient(90deg, #e5e8ea 1px, transparent 1px) #f4f5f6; background-size: 24px 24px; background-position: center; }
.product-image--icon .route-icon { inline-size: 54px; block-size: 54px; }
.product-body { flex: 1; display: grid; align-content: start; gap: 5px; inline-size: 100%; padding: 14px 16px 15px; }
.product-title { font-size: clamp(15px, 1.45vw, 20px); font-weight: 700; line-height: 1.43; }
.product-term { color: var(--muted); font: 12px/1.6 ui-monospace, monospace; overflow-wrap: anywhere; }


.catalogue-more { display: flex; justify-content: center; margin-block-start: 22px; }
.empty-state { grid-column: 1 / -1; padding: 24px 17px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }

.mission-layout { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.1fr); gap: clamp(28px, 6vw, 100px); align-items: stretch; }
.mission { align-self: center; padding-block: 10px; }
.mission h2 { color: var(--navy); font-size: clamp(29px, 3.25vw, 46px); }
.mission > p:not(.eyebrow) { max-inline-size: 46ch; margin-block-start: 16px; color: var(--muted); font-size: clamp(17px, 1.5vw, 20px); }
.mission-links { display: flex; flex-wrap: wrap; gap: 7px 21px; margin-block-start: 18px; }
.value-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: var(--white); }
.value-card img { inline-size: 100%; block-size: clamp(190px, 22vw, 318px); object-fit: cover; object-position: 50% 42%; }
.value-card > div { padding: clamp(17px, 3vw, 35px); }
.value-card h3 { margin-block-end: 7px; color: var(--navy); font-size: clamp(27px, 3vw, 44px); line-height: 1.25; }
.value-card p { max-inline-size: 45ch; color: var(--muted); }
.value-card .text-link { margin-block-start: 11px; }

.credentials-section { padding-block: clamp(51px, 5vw, 78px); border-block: 1px solid #e7e8e9; background: var(--white); }
.credential-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; }
.certificate-card, .evidence-card { border: 1px solid #dedfe0; border-radius: var(--radius); background: #fff; }
.certificate-card { padding: clamp(13px, 2.5vw, 33px); }
.certificate-images { display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; gap: 8px; margin-block-end: 16px; }
.certificate-images figure { display: grid; justify-items: center; gap: 7px; }
.certificate-images img { inline-size: min(100%, 85px); block-size: 69px; object-fit: contain; }
.certificate-images figcaption { color: #4c5865; font: 12px ui-monospace, monospace; white-space: nowrap; }
.document-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 215px), 1fr)); gap: 14px; }
.document-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-small); color: var(--navy); font-weight: 700; }
.document-card:hover { border-color: var(--red); color: var(--red); }
.document-card img { inline-size: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 10px; background: #f5f7f9; }
.document-card span { display: block; padding: 10px 12px; }
.evidence-card { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-content: center; padding: clamp(16px, 2.9vw, 37px); border-inline-start: 3px solid var(--red); }
.evidence-card > svg { color: var(--red); }
.evidence-card h3 { color: var(--navy); font-size: clamp(19px, 1.8vw, 25px); line-height: 1.35; }
.evidence-card p { margin-block: 8px; color: var(--muted); }

.sketch-lab { overflow: hidden; border: 1px solid #d6d8da; border-radius: var(--radius); background: var(--white); }
.sketch-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 2fr)) minmax(0, 3fr); border-block-end: 1px solid #d6d8da; }
.sketch-nav button { display: flex; align-items: center; justify-content: center; gap: 8px; min-block-size: 58px; padding: 9px; border: 0; border-block-end: 2px solid transparent; color: var(--system-accent); background: #fff; font-weight: 700; transition: border-color .22s, background-color .22s; }
.sketch-nav button + button { border-inline-start: 1px solid #d6d8da; }
.sketch-nav button:hover, .sketch-nav button[aria-selected="true"] { background: var(--system-tint); }
.sketch-nav button[aria-selected="true"] { border-block-end-color: var(--system-accent); }
.sketch-nav button:focus-visible { position: relative; outline-offset: -5px; }
.sketch-panel { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: stretch; min-inline-size: 0; }
.sketch-panel.is-switching { animation: sketch-in .35s var(--motion-ease) both; }
@keyframes sketch-in { from { opacity: .75; } to { opacity: 1; } }
.sketch-figure { min-block-size: 360px; aspect-ratio: 1.6; background: var(--white); }
.sketch-figure > img, .sketch-figure > video { object-fit: contain; }
.sketch-legend { display: grid; align-content: center; gap: 11px; min-inline-size: 0; padding: clamp(15px, 3vw, 42px); border-inline-start: 1px solid #d6d8da; background: var(--system-tint); }
.sketch-legend h3 { color: var(--system-accent); font-size: clamp(24px, 2.6vw, 38px); line-height: 1.22; }
.sketch-legend ol { padding-inline-start: 22px; color: var(--muted); }
.sketch-legend li::marker { color: var(--system-accent); font-weight: 700; }
.system-links { display: flex; flex-wrap: wrap; gap: 6px 16px; }

.client-section { padding-block: clamp(52px, 6vw, 86px); border-block-start: 1px solid #e6e8eb; background: #fff; }
.client-grid { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 1px; overflow: hidden; padding: 0; border: 1px solid #e2e5e8; border-radius: var(--radius); list-style: none; background: #e2e5e8; }
.client-grid li { display: grid; justify-items: center; align-content: center; gap: 8px; min-block-size: 118px; padding: 10px; background: #fff; text-align: center; color: #53616d; font-size: 13px; line-height: 1.4; }
.client-grid li img { inline-size: 107px; block-size: 50px; object-fit: contain; }


.projects { border-block: 1px solid #e5e8eb; color: var(--ink); background: var(--white); }
.project-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 15px; }
.project-card { grid-column: span 2; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: border-color .23s, box-shadow .23s; }
.project-card:nth-child(4):nth-last-child(2) { grid-column: 2 / span 2; }
.project-card:hover { border-color: #c19b9e; box-shadow: 0 9px 24px #15243813; }
.project-card figure { aspect-ratio: 16 / 10; overflow: hidden; background: #eef2f5; }
.project-card img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform .35s var(--motion-ease); }
.project-card:hover img { transform: scale(1.035); }
.project-card-copy { padding: clamp(13px, 1.7vw, 24px); }
.project-card h3 { color: var(--navy); font-size: clamp(17px, 1.6vw, 23px); line-height: 1.35; }
.project-card p { margin-block-start: 7px; color: var(--muted); }
.project-more { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; margin-block-start: 21px; }
.photo-credit { text-decoration: underline; text-underline-offset: .18em; }

.news-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: 14px; }
.news-feature { position: relative; isolation: isolate; display: flex; align-items: end; min-block-size: clamp(250px, 27vw, 370px); overflow: hidden; padding: 23px; border-radius: var(--radius); color: #fff; background: var(--deep); }
.news-feature img { position: absolute; z-index: -2; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; transition: transform .45s var(--motion-ease); }
.news-feature:hover img { transform: scale(1.04); }
.news-feature::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(0deg, #111922ed, #1119220d 90%); content: ""; }
.news-feature > div { min-inline-size: 0; inline-size: 100%; }
.news-feature h3 { margin-block-start: 8px; font-size: clamp(17px, 1.65vw, 23px); line-height: 1.35; text-wrap: balance; }
.news-feature .icon { position: absolute; inset: 20px auto auto 20px; }
.news-list { display: grid; gap: 14px; }
.news-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 11px; padding: clamp(15px, 2.7vw, 30px); border: 1px solid #e1e3e5; border-radius: var(--radius); background: var(--white); transition: border-color .25s, background-color .25s; }
.news-list a:hover { border-color: #c59ea3; background: #fdf7f7; }
.news-list h3 { color: var(--navy); font-size: clamp(15px, 1.42vw, 21px); line-height: 1.4; }
.news-list .icon { color: #a31828; }

.contact-section { border-block-start: 1px solid var(--line); color: var(--ink); background: var(--white); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.05fr); gap: clamp(25px, 6vw, 95px); align-items: center; }
.contact-copy > p:not(.eyebrow) { margin-block: 12px 15px; color: var(--muted); font-size: 18px; }
.contact-lines { border-block-start: 1px solid var(--line); }
.contact-lines a { display: grid; grid-template-columns: 62px minmax(0, 1fr) auto; align-items: center; gap: 10px; min-block-size: 46px; border-block-end: 1px solid var(--line); }
.contact-lines a:hover { color: var(--red); }
.contact-lines a span { color: var(--muted); }
.contact-lines a bdi { justify-self: start; overflow-wrap: anywhere; }
.contact-copy address { margin-block: 12px 5px; color: var(--muted); font-style: normal; }
.contact-form { padding: clamp(16px, 3.15vw, 42px); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); background: #fff; }
.contact-form h3 { margin-block-end: 12px; color: var(--navy); font-size: clamp(22px, 2.65vw, 38px); line-height: 1.25; }
.form-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.form-fields label { display: grid; gap: 3px; color: #435361; font-size: 14px; font-weight: 700; }
.form-fields .full-field { grid-column: 1 / -1; }
.form-fields input, .form-fields textarea { inline-size: 100%; min-block-size: 41px; padding: 6px 9px; border: 1px solid #cdd3d9; border-radius: 7px; color: var(--ink); background: #fafbfb; }
.form-fields textarea { resize: vertical; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; margin-block-start: 14px; }
.footer { padding-block: 29px; border-block-start: 1px solid #e5e8eb; background: #fff; }
.footer-layout { display: grid; grid-template-columns: 1.1fr 1fr 1fr 1fr; align-items: start; gap: 14px 22px; }
.footer-group { display: flex; flex-wrap: wrap; align-items: start; gap: 4px 13px; color: #52616f; font-size: 14px; }
.footer-group a:hover { color: var(--red); }

.product-dialog { inline-size: min(540px, calc(100% - 32px)); max-block-size: calc(100% - 30px); padding: clamp(17px, 4vw, 32px); border: 0; border-radius: var(--radius); color: var(--ink); background: #fff; box-shadow: 0 16px 62px #08132480; }
.product-dialog::backdrop { background: #081324a8; }
.dialog-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block-end: 11px; }
.dialog-content { display: grid; gap: 10px; }
.dialog-content h2 { margin: 0; font-size: clamp(23px, 4.3vw, 34px); line-height: 1.35; }
.dialog-content p { color: var(--muted); }
.dialog-image { display: grid; justify-items: center; gap: 5px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-small); }
.dialog-image img { inline-size: 100%; max-block-size: min(25svh, 255px); object-fit: contain; }
.dialog-image figcaption { padding: 2px 8px 8px; color: var(--muted); font-size: 13px; }
#dialog-term { text-align: right; overflow-wrap: anywhere; }
#dialog-source { color: #a31828; font-weight: 700; }
.dialog-content .button, #dialog-source { justify-self: start; }

.hero-copy > * { animation: hero-arrive .68s var(--motion-ease) both; }
.hero-copy h1 { animation-delay: .04s; }
.hero-copy .hero-intro { animation-delay: .08s; }
.hero-copy .hero-routes { animation-delay: .12s; }
@keyframes hero-arrive { from { opacity: .68; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.revealed { animation: enter .6s var(--motion-ease) both; }
@keyframes enter { from { opacity: .68; transform: translateY(13px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1100px) {
  .client-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nav-row { gap: 15px; }
  .primary-nav { gap: 13px; font-size: 14px; }
  .brand img { inline-size: 121px; }
  .nav-contact { font-size: 14px; }
  .catalogue-toolbar { grid-template-columns: 1fr; }
}
@media (max-width: 890px) {
  :root { --nav-height: 66px; --gutter: clamp(17px, 5vw, 40px); }
  .nav-row { display: flex; justify-content: space-between; }
  .brand img { inline-size: 112px; }
  .nav-actions { gap: 6px; }
  .mobile-menu { display: inline-flex; }
  .primary-nav { display: none; position: absolute; inset: var(--header-height) 0 auto; max-block-size: calc(100dvh - var(--header-height)); overflow: auto; padding: 6px var(--gutter) 16px; border-block-end: 1px solid var(--line); background: #fff; box-shadow: 0 16px 26px #101f3020; }
  .primary-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 17px; }
  .primary-nav .mobile-nav-link { display: flex; }
  .primary-nav a { border-block-end: 1px solid var(--line); }
  .hero-stage { align-items: start; min-block-size: clamp(470px, 69svh, 590px); }
  .hero-visual > img, .hero-visual > video { object-position: 28% 75%; }
  .hero-stage::after {
    background:
      linear-gradient(to top, #fff 0%, transparent 20%),
      linear-gradient(to bottom, #fff 20%, rgb(255 255 255 / .99) 36%, rgb(255 255 255 / .9) 47%, rgb(255 255 255 / .24) 68%, transparent 81%);
  }
  .hero-copy { padding-block: clamp(30px, 5.8vw, 53px) 0; }
  .hero h1 { font-size: clamp(32px, 6.6vw, 49px); }
  .hero h1 span { font-size: .83em; }
  .hero-routes { margin-block-start: 17px; }
  .section-heading { gap: 12px 20px; }
  .service-layout { gap: 18px; }
  .feature-visual { aspect-ratio: 1.15; }
  .sketch-figure { min-block-size: 270px; }
  .client-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

}
@media (max-width: 640px) {
  .section { padding-block: 49px; }
  .section-heading, .service-layout, .flagship-grid, .mission-layout, .credential-grid, .sketch-panel, .project-grid, .news-grid, .contact-layout { grid-template-columns: minmax(0, 1fr); }
  .project-card, .project-card:nth-child(4):nth-last-child(2) { grid-column: auto; }
  .section-heading > .button { justify-self: start; }
  .hero h1 { margin-block: 11px 13px; }
  .hero-intro { font-size: 14px; }
  .hero-route { min-block-size: 53px; gap: 6px; padding: 8px 10px; }
  .hero-route .route-icon { inline-size: 20px; block-size: 20px; }
  .hero-route strong { font-size: 14px; }
  .plate-caption { font-size: 12px; }
  .hero-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .hero-index > a { min-block-size: 54px; gap: 5px; padding-inline: 5px; font-size: 12px; line-height: 1.4; }
  .feature-visual { aspect-ratio: 1.61; }

  .mission-layout { gap: 18px; }
  .mission h2 br { display: none; }
  .sketch-figure { min-block-size: 0; }
  .sketch-legend { border-inline-start: 0; border-block-start: 1px solid #d6d8da; }
  .sketch-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sketch-nav button { gap: 5px; min-block-size: 48px; font-size: 14px; }
  .sketch-nav button:nth-child(odd) { border-inline-start: 0; }
  .sketch-nav button:nth-child(n+3) { border-block-start: 1px solid #d6d8da; }
  .client-grid li { min-block-size: 97px; }
  .client-grid li img { block-size: 42px; }
  .news-feature { min-block-size: 243px; }
  .footer-layout { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 490px) {
  .nav-contact { padding-inline: 8px; font-size: 12px; }
  .nav-contact .icon { display: none; }
  .nav-language { padding-inline: 2px; font-size: 10px; }
  .hero h1 { font-size: clamp(29px, 7.8vw, 36px); }
  .hero-identity { font-size: 13px; }
  .hero-routes { margin-block-start: 14px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .product-body { padding: 10px; }
  .product-term { font-size: 10px; }

  .catalogue-filters button { min-block-size: 40px; padding-inline: 8px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.action-dot {
  display: inline-block;
  flex: none;
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background: var(--red);
  vertical-align: .12em;
}
.action-dot.is-blinking { animation: dot-blink 3.6s ease-in-out infinite; }
.button-red .action-dot, .news-feature .action-dot { background: #ffadae; }
.hero-route .route-icon { color: var(--signal-red); }
.hero-route .action-dot { background: var(--signal-red); }
.hero-route > span:not(.action-dot) { min-inline-size: 0; }
.hero-route strong { display: block; }
.news-feature .action-dot { position: absolute; inset: 20px auto auto 20px; }
@keyframes dot-blink { 0%, 75%, 100% { opacity: 1; } 85%, 91% { opacity: .28; } }

.client-window { border: 1px solid #e0e4e7; border-radius: var(--radius); overflow: hidden; background: var(--white); }
.client-window .client-grid { border: 0; border-radius: 0; }
.footer-social a { display: inline-flex; flex-direction: column; align-items: center; gap: 5px; }
.footer-social .icon { inline-size: 22px; block-size: 22px; color: var(--navy); }
.footer-social a:hover .icon { color: var(--red); }

.action-dot { animation: dot-blink 3.6s ease-in-out infinite; }
.action-dot:only-child { animation-delay: .3s; }
.text-link .action-dot, .button .action-dot { margin-inline-start: 2px; }

.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; min-block-size: 49px; padding-block: 9px; border-block-end: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.breadcrumbs a:hover { color: var(--red); }
.breadcrumbs [aria-current] { color: var(--ink); }
.landing-title, .detail-hero h1 { color: var(--navy); font-size: clamp(29px, 3.4vw, 48px); line-height: 1.2; }
.breadcrumbs + .section { padding-block-start: clamp(33px, 5vw, 68px); }
.detail-hero { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.04fr); align-items: center; gap: clamp(18px, 5vw, 66px); padding-block: clamp(25px, 5vw, 68px); }
.detail-hero p { max-inline-size: 46ch; margin-block: 14px 20px; color: var(--muted); font-size: clamp(15px, 1.4vw, 18px); }
.detail-visual { aspect-ratio: 1.6; background: #fff; }
.detail-visual > img, .detail-visual > video { object-fit: contain; }
.detail-copy { padding-block-end: clamp(48px, 7vw, 90px); }
.detail-block { display: grid; grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr); gap: 12px 32px; padding-block: 20px; border-block-start: 1px solid var(--line); }
.detail-block h2 { margin: 0; color: var(--navy); font-size: clamp(18px, 2vw, 26px); line-height: 1.35; }
.detail-block p { max-inline-size: 69ch; color: var(--muted); }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px 24px; padding-block-start: 14px; border-block-start: 1px solid var(--line); }
.related-pages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding-block-end: 65px; }
.related-link { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-block-size: 54px; padding: 11px; border: 1px solid var(--line); border-radius: var(--radius-small); color: var(--navy); font-weight: 700; }
.related-link:hover { border-color: var(--red); color: var(--red); }
.primary-nav a[aria-current] { color: var(--red); }

html[lang="en"] { font-family: "Helvetica Neue", Arial, sans-serif; line-height: 1.61; }
html[lang="en"] .hero h1 { font-size: clamp(32px, 3.5vw, 51px); }
html[lang="en"] .hero h1 span { font-size: .83em; }
html[lang="en"] .nav-contact, html[lang="en"] .primary-nav { font-size: 14px; }
html[lang="en"] .hero-route { gap: 7px; }
html[lang="en"] .hero-route strong { line-height: 1.2; }
html[lang="en"] .footer-social { column-gap: 10px; }
html[lang="en"] #dialog-term { text-align: start; }

@media (max-width: 890px) {
  .detail-hero { grid-template-columns: minmax(0, 1fr); }
  .detail-visual { max-inline-size: 620px; }
  .related-pages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  html[lang="en"] .hero h1 { font-size: clamp(29px, 5.8vw, 46px); }
}
@media (max-width: 640px) {
  .detail-block { grid-template-columns: 1fr; }
  html[lang="en"] .nav-contact { font-size: 11px; }
  html[lang="en"] .hero-route strong { font-size: 13px; }
  html[lang="en"] .form-actions .button { white-space: normal; }
  .footer-group a { overflow-wrap: anywhere; }
}


#services .section-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 9px 22px; }
#services .section-heading > p { max-inline-size: none; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .client-grid li img { transition: transform .35s var(--motion-ease); }
  .client-grid li span { transition: color .28s; }
  .client-grid li:hover img { transform: translateY(-4px) scale(1.06); }
  .client-grid li:hover span { color: var(--red); }
}

html[lang="fa"] .mission > p { max-inline-size: 100%; font-size: clamp(14px, 1.25vw, 17px); text-wrap: balance; }
html[lang="fa"] .value-card p { max-inline-size: 100%; font-size: clamp(13px, 1.05vw, 14px); }

.detail-product-art { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.detail-product-art img { inline-size: 100%; max-block-size: clamp(235px, 30vw, 410px); object-fit: contain; }
.product-detail-story { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(14px, 4vw, 57px); align-items: start; }
.product-detail-story .detail-block { grid-template-columns: minmax(0, 1fr); gap: 7px; }
.detail-support-art, .detail-support-drawing { aspect-ratio: 1.4; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.detail-support-art img, .detail-support-drawing > img, .detail-support-drawing > video { inline-size: 100%; block-size: 100%; object-fit: contain; }
@media (max-width: 730px) {
  .product-detail-story { grid-template-columns: minmax(0, 1fr); padding-block-end: 40px; }
  .product-detail-story .detail-copy { padding-block-end: 0; }
}

.certificate-card { display: grid; grid-template-rows: 1fr auto; }
.certificate-card > .text-link, .evidence-card > .text-link { justify-self: center; align-self: end; text-align: center; }
.evidence-card { grid-template-rows: 1fr auto; align-content: stretch; }
.evidence-card > div, .evidence-card > .route-icon { align-self: center; }
.evidence-card > .text-link { grid-column: 1 / -1; }

.product-library { padding-block-end: clamp(45px, 6vw, 84px); }
.product-detail-story .detail-copy { padding-block-end: 30px; }
.technical-section { padding-block: 21px 26px; border-block-start: 1px solid var(--line); }
.technical-section > h2 { margin-block: 0 12px; color: var(--navy); font-size: clamp(19px, 2.25vw, 31px); }
.cylinder-grid, .product-facts { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); align-items: start; gap: 15px 24px; }
.cylinder-table { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-small); }
.cylinder-table table { inline-size: 100%; border-collapse: collapse; text-align: center; }
.cylinder-table caption { padding: 10px; color: #fff; background: var(--fardid-blue); font-weight: 700; }
.cylinder-table th, .cylinder-table td { padding: 7px 5px; border-block-end: 1px solid #e9eaec; }
.cylinder-table thead th { color: var(--navy); background: #f4f6f8; font-weight: 700; }
.cylinder-table tbody tr:last-child > * { border-block-end: 0; }
.technical-source { margin-block-start: 11px; }
.tyco-index { display: flex; flex-wrap: wrap; gap: 8px; margin-block-end: 18px; }
.tyco-index .button { min-block-size: 39px; font-size: 13px; }
.tyco-scroll-hint { display: none; margin-block-end: 12px; color: var(--muted); font-size: 13px; }
.tyco-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-small); }
.tyco-scroll:focus-visible { outline-offset: -2px; }
.tyco-table { inline-size: 100%; min-inline-size: 1120px; border-collapse: collapse; font-size: 13px; }
.tyco-table th, .tyco-table td { padding: 10px; border-block-end: 1px solid var(--line); vertical-align: middle; text-align: center; }
.tyco-table thead th { color: #fff; background: var(--fardid-blue); }
.tyco-table tbody tr:nth-child(even) { background: #f7f9fb; }
.tyco-table tbody tr:last-child > * { border-block-end: 0; }
.tyco-table tbody span { display: block; white-space: pre-line; overflow-wrap: anywhere; }
.tyco-table [lang="en"] { font-family: "Helvetica Neue", Arial, sans-serif; }
.tyco-table th:nth-child(6) { min-inline-size: 118px; }
.tyco-model { min-inline-size: 152px; color: var(--navy); }
.tyco-table .tyco-picture { inline-size: 119px; min-inline-size: 106px; }
.tyco-picture img { inline-size: 100%; block-size: 113px; object-fit: contain; }
@media (max-width: 1230px) { .tyco-scroll-hint { display: block; } }
.product-component-list { margin: 0; }
.product-component-list > div { padding: 8px 0; border-block-end: 1px solid #e8eaec; }
.product-component-list dt { color: var(--navy); font-weight: 700; }
.product-component-list dd { margin: 0; color: var(--muted); }
.application-list { padding-inline-start: 19px; color: var(--muted); }
.application-list li { padding-block: 3px; }
.application-list li::marker { color: var(--red); }
.technical-figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 245px), 1fr)); gap: 12px; }
.technical-figure { display: grid; justify-items: center; align-content: start; padding: 9px; border: 1px solid var(--line); border-radius: var(--radius-small); background: #fff; }
.technical-figure.is-wide { grid-column: 1 / -1; }
.technical-figure img { inline-size: 100%; block-size: min(270px, 60vw); object-fit: contain; }
.technical-figure.is-wide img { block-size: min(480px, 65vw); }
.technical-figure figcaption { margin-block-start: 6px; color: var(--navy); font-size: 13px; text-align: center; }
@media (max-width: 700px) {
  .cylinder-grid, .product-facts { grid-template-columns: minmax(0,1fr); }
}

.hero ~ #services { padding-block-end: clamp(29px, 3.6vw, 54px); }
.hero ~ #services + #equipment { padding-block-start: clamp(29px, 3.6vw, 54px); }