/* ==========================================================================
   Europa Fastenings: homepage
   Brand system: Europa navy + logo blue + star yellow, Archivo + IBM Plex Mono,
   technical-drawing linework. Mobile-first. No build step.
   ========================================================================== */

/* ---------- Fonts (self-hosted, Latin subset, SIL OFL) ---------- */
@font-face {
  font-family: "Archivo";
  src: url("/case-studies/concepts/_assets/4c98b9d490d1698ec95f2ff1.woff2") format("woff2");
  font-weight: 400 900;
  font-stretch: 100% 125%;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("/case-studies/concepts/_assets/95ddc1db60e48154417a2df0.woff2") format("woff2");
  font-weight: 800;
  font-stretch: 100% 125%;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/case-studies/concepts/_assets/c36f509c0a8f9f85f29cb44b.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/case-studies/concepts/_assets/a76f53ca6612e7b3828eec23.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/case-studies/concepts/_assets/ad4580d8cb4b5f627c2d1845.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* Navy family, built down from the logo's "EUROPA" gradient */
  --navy-950: #06112a;
  --navy-900: #0a1a36;
  --navy-800: #112a59;
  --navy-700: #17397a;
  /* Logo blue (#184898), tuned for UI */
  --blue-600: #1c4fa6;
  --blue-500: #2b63c6;
  --blue-400: #5d8ae0;
  /* Steel: from the bolt's highlights */
  --steel-300: #a9bcdd;
  --steel-200: #ccd8ec;
  --steel-100: #e7edf6;
  --steel-50: #f3f6fb;
  /* Star yellow (#F8D800), straight from the logo */
  --yellow: #f8d800;
  --yellow-300: #ffe55a;
  /* Neutrals */
  --ink: #0b1220;
  --ink-700: #2a3346;
  --ink-500: #566079;
  --line: #dde4ef;
  --line-strong: #c6d1e3;
  --paper: #f4f6fa;
  --sheet: #fbfcfe;
  --danger: #b42318;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --r-sm: 7px;
  --r: 10px;
  --r-lg: 16px;
  --r-xl: 22px;
  --shadow-sm: 0 1px 2px rgba(11, 18, 32, .05), 0 2px 8px rgba(11, 18, 32, .04);
  --shadow: 0 2px 4px rgba(11, 18, 32, .04), 0 14px 34px -10px rgba(11, 18, 32, .16);
  --shadow-lg: 0 34px 70px -24px rgba(3, 10, 30, .6), 0 12px 28px -12px rgba(3, 10, 30, .38);

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 32px);
  --section: clamp(72px, 9vw, 128px);
  --header-h: 66px;

  --grid-line: rgba(125, 160, 225, .07);
  --blueprint: linear-gradient(var(--grid-line) 1px, transparent 1px),
               linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
}
@media (min-width: 1024px) {
  :root { --header-h: 82px; }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink-700);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; }
img { height: auto; }
h1, h2, h3 { color: var(--navy-900); font-weight: 800; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: var(--blue-600); }
button { font: inherit; }
[hidden] { display: none !important; }
section[id], [id="calculator"] { scroll-margin-top: calc(var(--header-h) - 1px); }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 1em;
  height: 1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  background: var(--yellow);
  color: var(--navy-900);
  font-weight: 700;
  text-decoration: none;
}
.skip:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 3px; border-radius: 4px; }
.hero :focus-visible,
.section--navy :focus-visible,
.footer :focus-visible,
.utility :focus-visible { outline-color: var(--yellow); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: .8em;
  margin: 0 0 1.15rem;
  font: 500 .76rem/1.2 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.eyebrow span {
  /* drawing-style callout balloon */
  display: inline-grid;
  place-items: center;
  width: 2.25em;
  height: 2.25em;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-weight: 600;
  letter-spacing: 0;
}
.eyebrow--light { color: var(--yellow); }
.eyebrow--sm { margin-bottom: .6rem; }

.h2 {
  margin: 0;
  font-size: clamp(2rem, 1.2rem + 2.7vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -.028em;
}
.h2 em,
.hero__title em {
  font-style: italic;
  font-weight: 800;
}
.h2 em { color: var(--blue-600); }
.section--navy .h2 { color: #fff; }
.section--navy .h2 em { color: var(--yellow); }

.lead {
  margin: 1.25rem 0 0;
  font-size: clamp(1.0625rem, 1rem + .3vw, 1.22rem);
  line-height: 1.6;
  color: var(--ink-700);
}
.lead--sm { margin: 0; font-size: 1.0625rem; color: var(--ink-500); }
.lead--light,
.section--navy .lead--sm { color: var(--steel-200); }
.lead a { font-weight: 700; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-weight: 700;
  color: var(--blue-600);
  text-decoration: none;
}
.link-arrow .icon { width: 1.05em; height: 1.05em; transition: transform .2s ease; }
.link-arrow:hover { color: var(--navy-900); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .9em 1.3em;
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  font: 700 1rem/1.1 var(--font);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn .icon { width: 1.1em; height: 1.1em; transition: transform .2s ease; }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--yellow);
  color: var(--navy-900);
  box-shadow: inset 0 -2px 0 rgba(10, 26, 54, .14);
}
.btn--primary:hover { background: var(--yellow-300); }
.btn--dark { background: var(--navy-900); color: #fff; }
.btn--dark:hover { background: var(--blue-600); }
.btn--ghost-light {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
}
.btn--ghost-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.btn--text {
  padding-inline: .3em;
  background: none;
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn--text:hover { color: var(--navy-900); }
.btn--lg { padding: 1.02em 1.5em; font-size: 1.0625rem; }
.btn--block { width: 100%; white-space: normal; text-align: center; }
@media (max-width: 479.98px) { .btn { white-space: normal; text-align: center; } }
.btn[aria-busy="true"] { pointer-events: none; opacity: .75; }
.btn[aria-busy="true"] .icon { animation: spin .9s linear infinite; }

/* ---------- Utility bar ---------- */
.utility {
  display: none;
  background: var(--navy-950);
  color: var(--steel-300);
  font-size: .8125rem;
}
.utility__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 38px;
}
.utility p { margin: 0; display: flex; align-items: center; gap: .55em; }
.utility .icon { width: 14px; height: 14px; }
.utility .icon--star { color: var(--yellow); }
.utility__meta { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.utility__meta li { display: flex; align-items: center; gap: .5em; }
.utility__lang a {
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--steel-300);
  font: 500 .75rem/1.4 var(--mono);
  letter-spacing: .08em;
  text-decoration: none;
}
.utility__lang a:hover { color: #fff; }
.utility__lang a[aria-current] { color: var(--navy-900); background: var(--yellow); }
@media (min-width: 1024px) { .utility { display: block; } }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.header::before {
  /* frosted glass lives on a pseudo-element: backdrop-filter on .header itself would
     become the containing block for the fixed mobile menu and trap it inside the bar */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, .95);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
}
.header.is-stuck { box-shadow: 0 10px 30px -18px rgba(11, 18, 32, .35); }
.header__in {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
}
.brand { display: block; flex: none; margin-right: auto; }
.brand img { display: block; width: auto; height: 46px; }
@media (min-width: 1024px) { .brand img { height: 60px; } }

.nav__list { display: flex; margin: 0; padding: 0; list-style: none; }
.nav__list a {
  position: relative;
  display: block;
  padding: 10px 13px;
  color: var(--ink-700);
  font-weight: 600;
  font-size: .97rem;
  text-decoration: none;
  border-radius: 6px;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 4px;
  height: 3px;
  border-radius: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav__list a:hover { color: var(--navy-900); }
.nav__list a:hover::after,
.nav__list a.is-current::after { transform: scaleX(1); }
.nav__mobile-extra { display: none; }

.header__actions { display: flex; align-items: center; gap: 18px; }
.header__phone { display: none; text-decoration: none; line-height: 1.15; }
.header__phone-label {
  display: block;
  font: 500 .66rem/1.2 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.header__phone-num {
  display: flex;
  align-items: center;
  gap: .4em;
  margin-top: 3px;
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--navy-900);
  white-space: nowrap;
}
.header__phone-num .icon { color: var(--blue-600); }
.header__phone:hover .header__phone-num { color: var(--blue-600); }
.header__cta { display: none; }

.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--navy-900);
  cursor: pointer;
}
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle .icon--close,
.nav-toggle[aria-expanded="true"] .icon--menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon--close { display: block; }

/* mobile menu */
@media (max-width: 1023.98px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 49;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 24px var(--gutter) 40px;
    background: #fff;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .nav__list { flex-direction: column; }
  .nav__list a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -.01em;
  }
  .nav__list a::after { display: none; }
  .nav__mobile-extra { display: grid; gap: 14px; }
  .nav__contact {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--navy-900);
    font-weight: 700;
    text-decoration: none;
  }
  .nav__contact .icon { width: 20px; height: 20px; color: var(--blue-600); }
  body.nav-open { overflow: hidden; }
}
@media (min-width: 640px) {
  .header__cta { display: inline-flex; padding: .75em 1.1em; }
}
@media (min-width: 1024px) {
  .nav { margin-inline: auto; }
  .nav-toggle { display: none; }
  .header__cta { padding: .9em 1.3em; }
}
@media (min-width: 1200px) {
  .header__phone { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  overflow: clip; /* decorative glow + star ring overflow; clip so nothing can scroll the hero sideways */
  padding: clamp(44px, 6.5vw, 92px) 0 0;
  background: var(--navy-900);
  color: var(--steel-200);
}
.hero::before {
  /* blueprint grid: major + minor lines, faded towards the edges */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(125, 160, 225, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 160, 225, .09) 1px, transparent 1px),
    linear-gradient(rgba(125, 160, 225, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 160, 225, .045) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  -webkit-mask-image: radial-gradient(120% 90% at 70% 30%, #000 30%, transparent 85%);
  mask-image: radial-gradient(120% 90% at 70% 30%, #000 30%, transparent 85%);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -260px;
  right: -240px;
  width: 980px;
  height: 980px;
  background: radial-gradient(closest-side, rgba(43, 99, 198, .42), rgba(43, 99, 198, 0));
}
.hero__grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  margin: 0;
  padding: .55em .95em;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  font: 500 .72rem/1.2 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel-200);
}
.pill .icon { width: 14px; height: 14px; color: var(--yellow); }
.hero__title {
  margin: 22px 0 0;
  font-size: clamp(2.55rem, 1.25rem + 4.4vw, 4.55rem);
  line-height: .99;
  letter-spacing: -.033em;
  color: #fff;
}
.hero__title em { color: var(--yellow); }
.hero__lead {
  max-width: 35em;
  margin: 24px 0 0;
  font-size: clamp(1.0625rem, 1rem + .35vw, 1.24rem);
  line-height: 1.6;
  color: var(--steel-200);
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__call { margin: 18px 0 0; font-size: .96rem; color: var(--steel-300); }
.hero__call a {
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: underline;
  text-decoration-color: rgba(248, 216, 0, .65);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.hero__call a:hover { color: var(--yellow); }
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  list-style: none;
  font-size: .92rem;
  color: var(--steel-200);
}
.hero__trust li { display: flex; align-items: center; gap: .5em; }
.hero__trust .icon { width: 18px; height: 18px; color: var(--yellow); stroke-width: 2.4; }

.hero__visual { position: relative; display: grid; place-items: center; padding: 8px 0; }
.hero__stars {
  position: absolute;
  width: min(122%, 660px);
  height: auto;
  aspect-ratio: 1;
  color: var(--yellow);
  opacity: .2;
  pointer-events: none;
  animation: spin 160s linear infinite;
}

/* ---------- Drawing sheet (hero + builder) ---------- */
.sheet {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: 14px;
  background: var(--sheet);
  color: var(--navy-900);
  box-shadow: var(--shadow-lg);
}
.sheet--hero { width: min(100%, 500px); }
.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 46px;
  padding: 10px 14px 10px 16px;
  border-bottom: 1px solid var(--line);
  font: 500 .68rem/1.2 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.sheet__head b { color: var(--navy-900); font-weight: 600; }
.sheet__scale { margin-left: auto; }
.sheet__replay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-700);
  font: 500 .68rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.sheet__replay:hover { border-color: var(--navy-900); color: var(--navy-900); }
.sheet__replay .icon { width: 13px; height: 13px; }
.sheet figcaption { padding: 0 16px 16px; }
.sheet__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  border-top: 1px dashed var(--line-strong);
  font: 500 .72rem/1.35 var(--mono);
  color: var(--ink-700);
}
.sheet__legend li { display: flex; align-items: center; gap: 6px; }
.sheet__legend b {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 19px;
  height: 19px;
  border: 1.25px solid var(--navy-900);
  border-radius: 50%;
  font-size: .64rem;
  color: var(--navy-900);
}
.equation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font: 600 .78rem/1 var(--mono);
}
.eq {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--steel-100);
  color: var(--navy-900);
}
.eq--c { background: var(--yellow); }
.eq-op { color: var(--ink-500); font-weight: 600; }

.tblock {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border: 1.25px solid var(--navy-900);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}
.tblock > div {
  padding: 7px 10px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  min-width: 0;
}
.tblock dt {
  font: 500 .58rem/1.1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.tblock dd {
  margin: 4px 0 0;
  font: 650 .76rem/1.25 var(--font);
  color: var(--navy-900);
}
.tblock > div:nth-child(2n) { border-right: 0; }
.tblock > div:nth-last-child(-n + 2) { border-bottom: 0; }
@media (min-width: 480px) {
  .sheet--hero .tblock { grid-template-columns: repeat(3, 1fr); }
  .sheet--hero .tblock > div:nth-child(2n) { border-right: 1px solid var(--line-strong); }
  .sheet--hero .tblock > div:nth-child(3n) { border-right: 0; }
  .sheet--hero .tblock > div:nth-last-child(-n + 3) { border-bottom: 0; }
}

@media (max-width: 479.98px) {
  .pill { letter-spacing: .08em; }
  .pill__est { display: none; }
  .sheet__head { font-size: .62rem; letter-spacing: .06em; }
  .sheet__scale { display: none; }
}

/* hero drawing linework */
.dwg { display: block; width: 100%; height: auto; }
.dwg .draw { fill: none; stroke: var(--navy-900); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.dwg .thin { stroke-width: 1.1; }
.dwg .fillpart { fill: #edf1f8; }
.dwg__cl { stroke: #7f95bc; stroke-width: 1; stroke-dasharray: 16 4 3 4; }
.dwg__crest { fill: none; stroke: var(--navy-900); stroke-width: 1; opacity: .55; }
.dwg__washer-body { fill: var(--yellow); stroke: var(--navy-900); stroke-width: 2; }
.hidden-line { fill: none; stroke: var(--navy-900); stroke-width: 1; stroke-dasharray: 3 2.5; }
.dwg__dim .ext { fill: none; stroke: #5e719a; stroke-width: 1; }
.dwg__dim .dimline { fill: none; stroke: #0e2348; stroke-width: 1.2; }
.dwg text { font: 500 13px var(--mono); fill: var(--navy-900); text-anchor: middle; }
.dwg__callouts path { fill: none; stroke: #0e2348; stroke-width: 1; }
.dwg__callouts .dot { fill: #0e2348; }
.dwg__callouts .balloon { fill: #fff; stroke: #0e2348; stroke-width: 1.4; }
.dwg__callouts .balloon--washer { fill: var(--yellow); }
.dwg__path { opacity: 0; }
.dwg__path path { fill: none; stroke: var(--blue-500); stroke-width: 1.5; stroke-dasharray: 5 4; }
.dwg__path text { font-size: 10px; letter-spacing: .22em; fill: var(--blue-500); }

/* hero assembly animation: base styles are the final state, keyframes supply the start */
.is-playing .draw { animation: draw 1.1s cubic-bezier(.65, 0, .35, 1) both; }
.is-playing .d1 { animation-delay: .15s; }
.is-playing .d2 { animation-delay: .55s; }
.is-playing .d3 { animation-delay: .75s; }
.is-playing .d4 { animation-delay: 1.05s; }
.is-playing .fillpart { animation: fade-in .6s ease 1.1s both; }
.is-playing .dwg__crest { animation: crest-in .6s ease 1.25s both; }
.is-playing .dwg__washer { animation: washer-in .45s ease 1.45s both, assemble 1.25s cubic-bezier(.7, 0, .2, 1) 2.35s both; }
.is-playing .dwg__washer-body { animation: washer-fill .5s ease 3.55s both; }
.is-playing .dwg__path { animation: path-show 2.4s ease 1.55s both; }
.is-playing .dwg__dim,
.is-playing .dwg__callouts { animation: fade-in .6s ease 3.65s both; }
.is-playing .balloon--washer { animation: balloon-fill .4s ease 3.7s both; }
.is-playing .eq--a { animation: eq-in .5s ease .5s both; }
.is-playing .eq--b { animation: eq-in .5s ease 1.5s both; }
.is-playing .eq--c { animation: eq-pop .55s cubic-bezier(.3, 1.6, .5, 1) 3.55s both; }

@keyframes draw { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes crest-in { from { opacity: 0; } to { opacity: .55; } }
@keyframes washer-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes assemble { from { transform: translateY(222px); } to { transform: translateY(0); } }
@keyframes washer-fill { from { fill: #fff; } to { fill: var(--yellow); } }
@keyframes balloon-fill { from { fill: #fff; } to { fill: var(--yellow); } }
@keyframes path-show { 0% { opacity: 0; } 18% { opacity: 1; } 72% { opacity: 1; } 100% { opacity: 0; } }
@keyframes eq-in { from { opacity: .2; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes eq-pop { 0% { opacity: .2; transform: scale(.85); } 100% { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: clamp(52px, 6vw, 84px) 0 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 10px;
  padding: 26px 16px 32px 0;
}
.stat:nth-child(odd) { padding-right: 20px; border-right: 1px solid rgba(255, 255, 255, .1); }
.stat:nth-child(even) { padding-left: 20px; }
.stat:nth-child(-n + 2) { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.stat dd {
  margin: 0;
  font-weight: 800;
  font-stretch: 112%;
  font-size: clamp(2.1rem, 1.5rem + 2.1vw, 3.3rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: #fff;
  white-space: nowrap;
}
.stat dd sup { position: relative; top: -.05em; font-size: .55em; color: var(--yellow); vertical-align: top; }
.stat dd small {
  font: 500 .3em/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel-300);
  vertical-align: middle;
}
.stat__dash { color: var(--yellow); }
.stat dt { max-width: 17em; font-size: .9rem; line-height: 1.45; color: var(--steel-300); }
@media (min-width: 900px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat, .stat:nth-child(odd), .stat:nth-child(even) {
    padding: 30px 24px 40px;
    border-right: 1px solid rgba(255, 255, 255, .1);
    border-bottom: 0;
  }
  .stat:first-child { padding-left: 0; }
  .stat:last-child { border-right: 0; }
}

/* ---------- Sector ticker ---------- */
.ticker {
  display: flex;
  align-items: center;
  gap: 20px;
  overflow: hidden;
  overflow: clip;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.ticker__label {
  flex: none;
  max-width: 9.5em;
  padding-left: var(--gutter);
  font: 500 .7rem/1.35 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.ticker__track {
  display: flex;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.ticker__list {
  display: flex;
  flex: none;
  margin: 0;
  padding: 0;
  list-style: none;
  animation: ticker 48s linear infinite;
}
.ticker:hover .ticker__list { animation-play-state: paused; }
.ticker__list li {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy-900);
  white-space: nowrap;
}
.ticker__list li::after {
  content: "";
  width: 11px;
  height: 11px;
  background: var(--yellow);
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
@keyframes ticker { to { transform: translateX(-100%); } }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section--paper { background: var(--paper); }
.section--navy {
  background-color: var(--navy-900);
  background-image: var(--blueprint);
  background-size: 24px 24px;
  color: var(--steel-200);
}
.section-head {
  display: grid;
  gap: 22px;
  margin-bottom: clamp(36px, 5vw, 60px);
}
.section-head__aside { display: grid; gap: 16px; justify-items: start; }
@media (min-width: 900px) {
  .section-head { grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: end; }
}

/* ---------- 01 Why SEMS ---------- */
.why__intro { display: grid; gap: 40px; align-items: center; }
@media (min-width: 1024px) {
  .why__intro { grid-template-columns: 1.15fr .85fr; gap: 72px; }
}
.equation-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  padding: 28px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.eqc { display: grid; justify-items: center; gap: 8px; margin: 0; }
.eqc svg { width: clamp(64px, 16vw, 86px); height: auto; aspect-ratio: 1; }
.eqc figcaption {
  font: 600 .74rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.eqc--result { padding: 8px 12px 12px; border-radius: 14px; background: var(--steel-50); box-shadow: inset 0 0 0 2px var(--yellow); }
.eqc--result figcaption { color: var(--navy-900); }
.eqc__part { fill: #edf1f8; stroke: var(--navy-900); stroke-width: 2; stroke-linejoin: round; }
.eqc__part--y { fill: var(--yellow); }
.eqc__hole { fill: #fff; stroke: var(--navy-900); stroke-width: 1.5; }
.eqc__line { fill: none; stroke: var(--navy-900); stroke-width: 1; opacity: .6; }
.eqc__op { font: 800 2rem/1 var(--font); color: var(--blue-600); }
.eqc__caption {
  flex-basis: 100%;
  margin: 12px 0 0;
  text-align: center;
  font: 600 .9rem/1.3 var(--mono);
  color: var(--navy-900);
}
.eqc__caption span { font-weight: 400; color: var(--ink-500); }

.benefits {
  display: grid;
  gap: 16px;
  margin: clamp(40px, 5vw, 64px) 0 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 640px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .benefits { grid-template-columns: repeat(4, 1fr); } }
.benefit {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
}
.benefit__icon {
  width: 46px;
  height: 46px;
  padding: 11px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--yellow);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.benefit h3 { margin: 18px 0 6px; font-size: 1.15rem; letter-spacing: -.01em; }
.benefit p { margin: 0; font-size: .97rem; color: var(--ink-500); }

/* calculator */
.calc {
  display: grid;
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--shadow);
}
.calc > * { min-width: 0; }
@media (min-width: 900px) { .calc { grid-template-columns: 1.2fr .8fr; } }
.calc__inputs { padding: clamp(24px, 4vw, 44px); }
.calc__title { margin: 0; font-size: clamp(1.5rem, 1.15rem + 1.1vw, 2rem); letter-spacing: -.02em; }
.calc__intro { max-width: 40em; margin: 10px 0 28px; color: var(--ink-500); }
.calc__result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px);
  background-color: var(--navy-900);
  background-image: var(--blueprint);
  background-size: 24px 24px;
  color: var(--steel-200);
}
.calc__kicker {
  margin: 0;
  font: 500 .74rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yellow);
}
.calc__big { display: grid; gap: 8px; margin: 0; }
.calc__big span {
  font-weight: 800;
  font-stretch: 112%;
  font-size: clamp(2.7rem, 1.9rem + 3vw, 4.2rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.calc__big small { font-size: 1rem; color: var(--steel-300); }
.calc__facts {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 16px 0;
  list-style: none;
  border-block: 1px solid rgba(255, 255, 255, .12);
  font-size: .96rem;
}
.calc__facts b { color: #fff; font-weight: 800; font-variant-numeric: tabular-nums; }
.calc__note { margin: 0; font-size: .82rem; color: var(--steel-300); }

/* range sliders */
.range { margin-bottom: 22px; }
.range:last-child { margin-bottom: 0; }
.range__top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.range__top label { font-weight: 700; font-size: .98rem; color: var(--navy-900); }
.range__top output {
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--steel-100);
  font: 600 .92rem/1 var(--mono);
  color: var(--blue-600);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.range__scale { display: flex; justify-content: space-between; gap: 8px; margin-top: 6px; font-size: .8rem; color: var(--ink-500); }
input[type="range"] {
  --fill: 50%;
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(var(--blue-600), var(--blue-600)) 0 / var(--fill) 100% no-repeat, var(--steel-100);
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px; background: var(--steel-100); }
input[type="range"]::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--blue-600); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  margin-top: -9px;
  border: 3px solid var(--navy-900);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 2px 6px rgba(11, 18, 32, .3);
  transition: transform .15s ease;
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 3px solid var(--navy-900);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 2px 6px rgba(11, 18, 32, .3);
}
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]:focus-visible { outline: none; }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(43, 99, 198, .35); }
input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px rgba(43, 99, 198, .35); }

.range--dark .range__top label { color: #fff; }
.range--dark .range__top output { background: rgba(255, 255, 255, .08); color: var(--yellow); }
.range--dark .range__scale { color: var(--steel-300); }
.range--dark input[type="range"]::-webkit-slider-runnable-track {
  background: linear-gradient(var(--yellow), var(--yellow)) 0 / var(--fill) 100% no-repeat, rgba(255, 255, 255, .16);
}
.range--dark input[type="range"]::-moz-range-track { background: rgba(255, 255, 255, .16); }
.range--dark input[type="range"]::-moz-range-progress { background: var(--yellow); }
.range--dark input[type="range"]::-webkit-slider-thumb { border-color: var(--yellow); background: var(--navy-900); }
.range--dark input[type="range"]::-moz-range-thumb { border-color: var(--yellow); background: var(--navy-900); }
.range--dark input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(248, 216, 0, .35); }

/* ---------- 02 Products ---------- */
.products { display: grid; gap: 16px; }
@media (min-width: 640px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .pcard--feature, .pcard--cta { grid-column: span 2; }
}
@media (min-width: 1024px) {
  .products { grid-template-columns: repeat(4, 1fr); }
  .pcard--feature { grid-row: span 2; }
}
.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.pcard__media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.pcard__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.pcard:hover .pcard__media img { transform: scale(1.045); }
.pcard__body { display: flex; flex: 1; flex-direction: column; gap: 8px; padding: 20px 22px 24px; }
.pcard__tag {
  margin: 0;
  font: 500 .68rem/1.2 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.pcard__tag--accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: max-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--yellow);
  color: var(--navy-900);
}
.pcard__tag--accent .icon { width: 12px; height: 12px; }
.pcard__tag--light { color: var(--yellow); }
.pcard__title { margin: 0; font-size: 1.2rem; letter-spacing: -.015em; line-height: 1.2; }
.pcard__title a { color: inherit; text-decoration: none; }
.pcard__title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.pcard__title a:focus-visible { outline: none; }
.pcard:has(.pcard__title a:focus-visible) { outline: 3px solid var(--blue-500); outline-offset: 3px; }
:where(.pcard) p { margin: 0; font-size: .95rem; color: var(--ink-500); }
.pcard__specs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; padding: 0; list-style: none; }
.pcard__specs li {
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font: 500 .74rem/1 var(--mono);
  color: var(--ink-700);
}
.pcard__actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: 14px;
}
.pcard--feature .pcard__title { font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.15rem); letter-spacing: -.025em; }
.pcard--feature .pcard__body { padding: 24px 26px 28px; gap: 10px; }
.pcard--feature p:not([class]) { font-size: 1.02rem; }
@media (min-width: 640px) and (max-width: 1023.98px) {
  .pcard--feature { flex-direction: row; }
  .pcard--feature .pcard__media { width: 50%; aspect-ratio: auto; border-bottom: 0; border-right: 1px solid var(--line); }
  .pcard--feature .pcard__body { width: 50%; justify-content: center; }
}
@media (min-width: 1024px) {
  .pcard--feature .pcard__media { flex: 1; aspect-ratio: auto; min-height: 300px; }
}
.pcard--cta {
  justify-content: center;
  border-color: var(--navy-900);
  background-color: var(--navy-900);
  background-image: var(--blueprint);
  background-size: 24px 24px;
}
.pcard--cta:hover { border-color: var(--navy-900); }
.pcard--cta .pcard__body { gap: 10px; padding: 28px; }
.pcard--cta .pcard__title { font-size: 1.6rem; color: #fff; }
.pcard--cta p:not([class]) { max-width: 34em; color: var(--steel-200); }
.pcard--cta .btn { align-self: flex-start; margin-top: 10px; }

.more-products {
  display: grid;
  gap: 14px;
  margin-top: 28px;
  padding: 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
}
.more-products__label {
  margin: 0;
  font: 500 .7rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.chips-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips-list a {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--steel-50);
  color: var(--navy-900);
  font-weight: 600;
  font-size: .92rem;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.chips-list a:hover { border-color: var(--navy-900); background: var(--navy-900); color: #fff; }
.more-products__services { margin: 4px 0 0; font-size: .92rem; color: var(--ink-500); }
.more-products__services strong { color: var(--navy-900); }

/* ---------- 03 Builder ---------- */
.bld { display: grid; gap: 32px; }
@media (min-width: 1024px) {
  .bld { grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 48px; align-items: start; }
  .bld__panel { position: sticky; top: calc(var(--header-h) + 24px); }
}
.bld__controls { display: grid; gap: 22px; }
.bld__group { min-width: 0; margin: 0; padding: 0; border: 0; }
.bld__group legend {
  margin-bottom: 12px;
  padding: 0;
  font: 500 .7rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel-300);
}
.bld__group--ranges { display: grid; gap: 18px; }
@media (min-width: 560px) { .bld__group--ranges { grid-template-columns: 1fr 1fr; gap: 24px; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.chip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1.5px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
  color: #fff;
  font-weight: 600;
  font-size: .92rem;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.chip:hover span { border-color: rgba(255, 255, 255, .55); }
.chip input:checked + span { border-color: var(--yellow); background: var(--yellow); color: var(--navy-900); }
.chip input:focus-visible + span { outline: 3px solid var(--blue-400); outline-offset: 2px; }
.chip input:disabled + span {
  opacity: .3;
  cursor: not-allowed;
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}
.chip:has(input:disabled):hover span { border-color: rgba(255, 255, 255, .2); }
.swatch {
  width: 14px;
  height: 14px;
  flex: none;
  border-radius: 50%;
  background: var(--sw, #ccc);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25), inset 0 3px 4px rgba(255, 255, 255, .45);
}
.swatch--zinc-clear { --sw: #c9d3df; }
.swatch--zinc-yellow { --sw: #e3c766; }
.swatch--zinc-black { --sw: #2e333b; }
.swatch--zinc-nickel { --sw: #b2b9c1; }
.swatch--zinc-flake { --sw: #a9afb5; }
.swatch--nickel { --sw: #e4e7ea; }
.swatch--phosphate { --sw: #3b3f44; }
.swatch--ss-plain { --sw: #c9ced4; }
.swatch--ss-black { --sw: #2a2d31; }
.swatch--brass-plain { --sw: #d4b25a; }
.swatch--brass-nickel { --sw: #e4e7ea; }

.bld__canvas { position: relative; aspect-ratio: 800 / 340; background: var(--sheet); }
.bld__canvas svg { display: block; width: 100%; height: 100%; }
.bld__canvas svg.is-new { animation: fade-in .25s ease both; }
.bld__noscript { margin: 0; padding: 40px 24px; text-align: center; color: var(--ink-500); }
.sheet--builder .sheet__legend { padding: 12px 16px; }
.tblock--builder { margin: 0 16px 16px; }
@media (min-width: 640px) {
  .tblock--builder { grid-template-columns: 2.2fr 1fr 1fr 1fr; }
  .tblock--builder > div { border-bottom: 0; border-right: 1px solid var(--line-strong); }
  .tblock--builder > div:nth-child(2n) { border-right: 1px solid var(--line-strong); }
  .tblock--builder > div:last-child { border-right: 0; }
}
.bld__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.bld__actions .btn--ghost-light.is-done { border-color: var(--yellow); color: var(--yellow); }
.bld__note { margin: 16px 0 0; font-size: .9rem; color: var(--steel-300); }
.bld__note b { color: #fff; font-variant-numeric: tabular-nums; }
.bld__note span { display: block; margin-top: 4px; font-size: .8rem; opacity: .85; }

/* builder drawing (generated in main.js) */
.b-part { stroke: #0e2348; stroke-width: 1.6; stroke-linejoin: round; }
.b-thin { fill: none; stroke: #0e2348; stroke-width: 1; }
.b-hidden { fill: none; stroke: #0e2348; stroke-width: .9; stroke-dasharray: 3 2.5; opacity: .7; }
.b-crest { fill: none; stroke: #0e2348; stroke-width: .9; opacity: .45; }
.b-cl { fill: none; stroke: #7f95bc; stroke-width: 1; stroke-dasharray: 14 4 3 4; }
.b-recess { fill: #0e2348; }
.b-dim { fill: none; stroke: #0e2348; stroke-width: 1.1; }
.b-ext { fill: none; stroke: #5e719a; stroke-width: .9; }
.b-text { font: 500 13px var(--mono); fill: #0e2348; text-anchor: middle; }
.b-view { font: 500 10.5px var(--mono); fill: #566079; letter-spacing: .14em; text-anchor: middle; }
.b-leader { fill: none; stroke: #0e2348; stroke-width: 1; }
.b-dot { fill: #0e2348; }
.b-balloon { fill: #fff; stroke: #0e2348; stroke-width: 1.3; }
.b-balloon--y { fill: var(--yellow); }

/* ---------- 04 Process ---------- */
.steps { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
.step {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--navy-900);
  border-radius: 50%;
  background: #fff;
  font: 600 1.05rem/1 var(--mono);
  color: var(--navy-900);
}
.step:last-child .step__num { border-color: var(--yellow); background: var(--yellow); }
@media (min-width: 1024px) {
  .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 48px;
    right: -21px;
    width: 22px;
    border-top: 2px dashed var(--blue-400);
  }
}
.step__meta {
  margin: 18px 0 6px;
  font: 500 .7rem/1.3 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-600);
}
.step h3 { margin: 0 0 8px; font-size: 1.2rem; letter-spacing: -.01em; }
:where(.step) p { margin: 0; font-size: .96rem; color: var(--ink-500); }

/* ---------- 05 Quality ---------- */
.quality { display: grid; gap: 48px; }
@media (min-width: 1024px) { .quality { grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; } }
.qlist { display: grid; gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.qlist li { display: flex; align-items: flex-start; gap: 12px; color: var(--ink-500); }
.qlist .icon {
  width: 24px;
  height: 24px;
  margin-top: 1px;
  padding: 4px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-900);
  stroke-width: 2.6;
}
.qlist b { margin-right: 6px; color: var(--navy-900); }
.seal-quote {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 20px;
  align-items: center;
  margin: 36px 0 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
}
.seal { grid-row: span 2; width: clamp(96px, 22vw, 124px); height: auto; color: var(--yellow); }
.seal__ring { fill: var(--navy-900); }
.seal text { text-anchor: middle; fill: #fff; }
.seal__small { font: 600 11px var(--mono); letter-spacing: .14em; }
.seal__big { font: 800 25px var(--font); letter-spacing: -.01em; }
.seal-quote blockquote { margin: 0; align-self: end; }
.seal-quote blockquote p { margin: 0; font-size: 1.04rem; font-weight: 600; line-height: 1.5; color: var(--navy-900); }
.seal-quote figcaption {
  align-self: start;
  font: 500 .72rem/1.3 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.datasheet {
  overflow: hidden;
  border: 1.5px solid var(--navy-900);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--shadow);
}
.datasheet__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: 18px 22px;
  background: var(--navy-900);
  color: #fff;
}
.datasheet__head h3 { margin: 0; font-size: 1.12rem; color: #fff; }
.datasheet__head span { font: 500 .68rem/1 var(--mono); letter-spacing: .12em; color: var(--yellow); }
.datasheet__rows { margin: 0; }
.datasheet__rows > div {
  display: grid;
  gap: 4px;
  padding: 13px 22px;
  border-bottom: 1px solid var(--line);
}
.datasheet__rows > div:nth-child(even) { background: var(--steel-50); }
.datasheet__rows dt {
  font: 500 .7rem/1.5 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.datasheet__rows dd { margin: 0; font-weight: 600; font-size: .97rem; color: var(--navy-900); }
@media (min-width: 560px) {
  .datasheet__rows > div { grid-template-columns: 9.5em 1fr; gap: 16px; }
  .datasheet__rows dt { padding-top: .15em; }
}
.datasheet__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; padding: 18px 22px; }

/* ---------- 06 Industries ---------- */
.industries { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 560px) { .industries { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .industries { grid-template-columns: repeat(4, 1fr); } }
.ind {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.ind:hover { transform: translateY(-2px); border-color: var(--blue-400); box-shadow: var(--shadow-sm); }
.ind__icon {
  width: 42px;
  height: 42px;
  color: var(--blue-600);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ind h3 { margin: 16px 0 6px; font-size: 1.08rem; letter-spacing: -.01em; }
.ind p { margin: 0; font-size: .94rem; color: var(--ink-500); }
.industries__more { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 28px 0 0; color: var(--ink-500); }

/* ---------- 07 About ---------- */
.about__grid { display: grid; gap: 56px; align-items: center; }
@media (min-width: 1024px) { .about__grid { grid-template-columns: .95fr 1.05fr; gap: 72px; } }
.about__media { position: relative; margin-right: 12px; }
.about__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}
.about__stamp {
  position: absolute;
  right: -12px;
  bottom: -26px;
  display: grid;
  place-content: center;
  width: 124px;
  height: 124px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-900);
  text-align: center;
  box-shadow: 0 0 0 6px var(--navy-900), var(--shadow);
  transform: rotate(-8deg);
}
.about__stamp span { font: 600 .6rem/1.3 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.about__stamp b { font-size: 2.1rem; font-weight: 800; font-stretch: 110%; line-height: 1; }
.about__copy > p:not([class]) { margin: 16px 0 0; color: var(--steel-200); }
.logo-story {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 28px 0;
  padding: 16px 20px;
  border-radius: var(--r-lg);
  background: #fff;
}
.logo-story img { width: 52px; height: auto; flex: none; }
.logo-story p { margin: 0; font-size: .98rem; color: var(--ink-700); }
.logo-story b { color: var(--navy-900); }
.values { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 560px) { .values { grid-template-columns: repeat(3, 1fr); } }
.values li { padding-top: 14px; border-top: 2px solid var(--yellow); }
.values b { display: block; font-size: 1.05rem; font-weight: 800; color: #fff; }
.values span { font-size: .92rem; color: var(--steel-300); }
.about__lang { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 28px 0 0; font-size: .92rem; color: var(--steel-300); }
.about__lang .icon { width: 18px; height: 18px; color: var(--yellow); }
.about__lang a { color: #fff; font-weight: 700; }
.about__lang a:hover { color: var(--yellow); }

/* ---------- 08 FAQ ---------- */
.faq { display: grid; gap: 36px; }
@media (min-width: 1024px) {
  .faq { grid-template-columns: .8fr 1.2fr; gap: 72px; }
  .faq__head { position: sticky; top: calc(var(--header-h) + 32px); align-self: start; }
}
.faq__head .lead--sm { margin-top: 18px; }
.qa { border-bottom: 1px solid var(--line); }
.qa:first-child { border-top: 1px solid var(--line); }
.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  list-style: none;
  cursor: pointer;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary h3 { margin: 0; font-size: 1.12rem; font-weight: 700; letter-spacing: -.01em; }
.qa summary:hover h3 { color: var(--blue-600); }
.qa summary .icon {
  width: 34px;
  height: 34px;
  padding: 8px;
  border-radius: 50%;
  background: var(--steel-100);
  color: var(--navy-900);
  stroke-width: 2.2;
  transition: transform .25s ease, background-color .25s ease;
}
.qa[open] summary .icon { transform: rotate(45deg); background: var(--yellow); }
.qa__a { padding: 0 54px 24px 0; color: var(--ink-500); }
.qa__a p { margin: 0; }

/* ---------- Quote ---------- */
.quote { position: relative; overflow: hidden; overflow: clip; }
.quote__stars {
  position: absolute;
  top: 50%;
  left: -280px;
  width: 780px;
  height: auto;
  color: var(--yellow);
  opacity: .1;
  transform: translateY(-50%);
  pointer-events: none;
}
.quote__grid { position: relative; display: grid; gap: 48px; }
@media (min-width: 1024px) { .quote__grid { grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; } }
.assure { display: grid; gap: 12px; margin: 28px 0; padding: 0; list-style: none; }
.assure li { display: flex; align-items: center; gap: 12px; font-weight: 600; color: #fff; }
.assure .icon {
  width: 26px;
  height: 26px;
  padding: 5px;
  border-radius: 50%;
  background: rgba(248, 216, 0, .16);
  color: var(--yellow);
  stroke-width: 2.6;
}
.contact-card {
  padding: 6px 20px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .03);
}
.contact-card__row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  color: var(--steel-200);
  text-decoration: none;
}
.contact-card__row:last-child { border-bottom: 0; }
.contact-card__row .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--yellow); }
.contact-card__row--big span { font-size: clamp(1.25rem, 1.1rem + .6vw, 1.5rem); font-weight: 800; color: #fff; letter-spacing: -.01em; }
.contact-card__row--big small {
  display: block;
  margin-bottom: 6px;
  font: 500 .68rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel-300);
}
a.contact-card__row:hover span { color: var(--yellow); }
.open-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  font: 600 .7rem/1 var(--mono);
  font-style: normal;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #7ee2a8;
  white-space: nowrap;
}
.open-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(126, 226, 168, .2);
}
.open-status.is-closed { color: var(--steel-300); }
.open-status.is-closed::before { box-shadow: none; }

/* form card */
.formcard {
  position: relative;
  padding: clamp(22px, 3.5vw, 40px);
  border-radius: var(--r-xl);
  background: #fff;
  color: var(--ink-700);
  box-shadow: var(--shadow-lg);
}
.rfq__progress { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.rfq__dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 .74rem/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-500);
  white-space: nowrap;
}
.rfq__dot b {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--line-strong);
  border-radius: 50%;
  font-size: .78rem;
}
.rfq__dot.is-active { color: var(--navy-900); }
.rfq__dot.is-active b { border-color: var(--navy-900); background: var(--navy-900); color: var(--yellow); }
.rfq__dot.is-done b { border-color: var(--yellow); background: var(--yellow); color: var(--navy-900); }
.rfq__bar { position: relative; flex: 1; height: 2px; overflow: hidden; background: var(--line); }
.rfq__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--navy-900);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.rfq.is-step-2 .rfq__bar::after { transform: scaleX(1); }
.no-js .rfq__progress { display: none; }
.rfq__step { min-width: 0; margin: 0; padding: 0; border: 0; }
.js .rfq__step:not(.is-active) { display: none; }
.no-js .rfq__nav [data-next], .no-js [data-back] { display: none; }
.rfq__legend { margin: 0 0 18px; padding: 0; font-size: 1.35rem; font-weight: 800; letter-spacing: -.015em; color: var(--navy-900); }
.field { display: grid; gap: 8px; margin-bottom: 18px; min-width: 0; }
.field__label { font-weight: 700; font-size: .92rem; color: var(--navy-900); }
.req { color: #c2410c; }
.opt { font-weight: 400; color: var(--ink-500); }
.field-row { display: grid; gap: 0 16px; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.rfq input[type="text"],
.rfq input[type="email"],
.rfq input[type="tel"],
.rfq select,
.rfq textarea {
  width: 100%;
  padding: .78em .9em;
  border: 1.5px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.rfq textarea { min-height: 7.5em; resize: vertical; line-height: 1.5; }
.rfq select {
  padding-right: 2.6em;
  appearance: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a1a36' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right .8em center / 18px;
}
.rfq input:focus,
.rfq select:focus,
.rfq textarea:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(43, 99, 198, .15); }
.rfq ::placeholder { color: #8a93a8; }
.field.is-invalid input,
.field.is-invalid textarea { border-color: var(--danger); }
.field__error { margin: 0; font-size: .86rem; font-weight: 600; color: var(--danger); }
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg label { position: relative; }
.seg input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.seg span {
  display: inline-block;
  padding: 9px 13px;
  border: 1.5px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-700);
  font-weight: 600;
  font-size: .88rem;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.seg label:hover span { border-color: var(--navy-900); }
.seg input:checked + span { border-color: var(--navy-900); background: var(--navy-900); color: #fff; }
.seg input:focus-visible + span { outline: 3px solid var(--blue-400); outline-offset: 2px; }
.drop {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1.5px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--steel-50);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease;
}
.drop:hover, .drop.is-drag { border-color: var(--blue-500); background: #eef4ff; }
.drop:focus-within { outline: 3px solid var(--blue-400); outline-offset: 2px; }
.drop .icon { width: 28px; height: 28px; color: var(--blue-600); }
.drop__text { display: grid; gap: 3px; font-size: .95rem; color: var(--ink-700); }
.drop__text b { color: var(--blue-600); }
.drop__text small { font-size: .8rem; color: var(--ink-500); }
.drop input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.drop__file { display: flex; align-items: center; gap: 8px; margin: 0; font: 500 .85rem/1.35 var(--mono); color: var(--navy-900); word-break: break-all; }
.drop__file button { margin-left: auto; padding: 2px 8px; border: 0; background: none; color: var(--blue-600); font: 600 .8rem/1 var(--font); text-decoration: underline; cursor: pointer; }
.rfq__nav { margin-top: 8px; }
.rfq__nav--split { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.rfq__privacy { margin: 2px 0 16px; font-size: .84rem; color: var(--ink-500); }
.rfq__done { padding: 28px 8px; text-align: center; outline: none; }
.rfq__done-icon {
  width: 68px;
  height: 68px;
  padding: 15px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-900);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rfq__done h3 { margin: 18px 0 10px; font-size: 1.5rem; letter-spacing: -.015em; }
.rfq__done p { margin: 0 0 8px; color: var(--ink-500); }
.rfq__done-call a { font-weight: 700; }

/* ---------- Footer ---------- */
.footer {
  padding: clamp(56px, 7vw, 88px) 0 28px;
  background: var(--navy-950);
  color: var(--steel-300);
  font-size: .95rem;
}
.footer__top { display: grid; gap: 40px; }
@media (min-width: 640px) { .footer__top { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__top { grid-template-columns: 1.4fr .9fr .9fr 1.3fr; } }
.footer__logo { display: inline-block; padding: 12px 16px; border-radius: 12px; background: #fff; }
.footer__logo img { display: block; width: auto; height: 60px; }
.footer__brand p { max-width: 22em; margin: 18px 0 20px; }
.footer__col h2 {
  margin: 0 0 16px;
  font: 500 .7rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yellow);
}
.footer__col ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer a { color: var(--steel-200); text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer .btn--primary { color: var(--navy-900); }
.footer .btn--primary:hover { text-decoration: none; }
.footer__contact li { display: flex; align-items: flex-start; gap: 10px; }
.footer__contact a { display: inline-flex; align-items: flex-start; gap: 10px; word-break: break-word; }
.footer__contact .icon { width: 18px; height: 18px; margin-top: 3px; color: var(--yellow); }
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .82rem;
}
.footer__legal p { max-width: 62em; margin: 0; }
.footer__legal ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0; padding: 0; list-style: none; }

/* ---------- Mobile action bar ---------- */
.mbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  gap: 10px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: translateY(110%);
  transition: transform .3s ease;
}
.mbar.is-visible { transform: none; }
.mbar__call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-sm);
  color: var(--navy-900);
  font-weight: 700;
  text-decoration: none;
}
.mbar__call .icon { width: 18px; height: 18px; color: var(--blue-600); }
.mbar__quote { flex: 1; }
@media (max-width: 1023.98px) { .footer { padding-bottom: 96px; } }
@media (min-width: 1024px) { .mbar { display: none; } }

/* ---------- Reveal on scroll ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
  transition-delay: var(--d, 0s);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .hero__stars, .ticker__list { animation: none !important; }
  .ticker__track { overflow-x: auto; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .utility, .header, .mbar, .ticker, .hero__stars, .quote__stars, .bld__actions, .formcard { display: none !important; }
  .section--navy, .hero, .footer { background: #fff !important; color: #000 !important; }
  .hero__title, .section--navy .h2 { color: #000 !important; }
}

/* ---------- Simple pages (thank-you, 404) ---------- */
.simple { min-height: 72vh; display: flex; align-items: center; }
.simple__in { max-width: 820px; }
.simple .h2 { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.8rem); }
.simple__icon {
  width: 72px;
  height: 72px;
  margin-bottom: 24px;
  padding: 16px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-900);
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.simple__code {
  margin: 0 0 8px;
  font-weight: 800;
  font-stretch: 125%;
  font-size: clamp(5rem, 3rem + 10vw, 9rem);
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--yellow);
}
.simple__steps { display: grid; gap: 12px; margin: 32px 0 0; padding: 0; list-style: none; }
.simple__steps li { display: flex; align-items: flex-start; gap: 14px; color: var(--steel-200); }
.simple__steps b {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--yellow);
  border-radius: 50%;
  font: 600 .85rem/1 var(--mono);
  color: var(--yellow);
}
.simple__steps span { padding-top: 3px; }
.simple__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }