:root {
  --bg: #f2f5f1;
  --ink: #171915;
  --muted: #626a61;
  --panel: rgba(255, 255, 255, 0.78);
  --card: #fbfcf8;
  --line: rgba(23, 25, 21, 0.14);
  --steel: #6f7d81;
  --copper: #b95f2b;
  --heat: #e24822;
  --blue: #2766b1;
  --green: #63785d;
  --shadow: 0 24px 60px rgba(40, 45, 38, 0.14);
  --radius: 6px;
}

body.light {
  --bg: #151713;
  --ink: #f7f3ea;
  --muted: #b8b2a4;
  --panel: rgba(31, 34, 29, 0.82);
  --card: #20251f;
  --line: rgba(247, 243, 234, 0.16);
  --steel: #94a0a2;
  --copper: #de8150;
  --heat: #ff5c31;
  --blue: #73a7ef;
  --green: #8fa780;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(39, 102, 177, 0.08), transparent 26%, rgba(185, 95, 43, 0.1) 76%, transparent),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
#heroCanvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.64;
  mix-blend-mode: multiply;
}
body.light #heroCanvas { opacity: 0.42; mix-blend-mode: screen; }
body:before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(90deg, rgba(23, 25, 21, 0.045) 1px, transparent 1px),
    linear-gradient(rgba(23, 25, 21, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black 0%, black 42%, transparent 90%);
  pointer-events: none;
}
body.light:before { background-image: linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 12px clamp(16px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px) saturate(1.2);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 220px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  background: conic-gradient(from 210deg, var(--copper), #f0a454, var(--blue), var(--green), var(--copper));
  color: #fff;
  font-weight: 950;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.3);
}
.brand strong { letter-spacing: 0; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.nav { display: flex; justify-content: center; gap: 2px; }
.nav a, .icon-btn {
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}
.nav a:hover, .icon-btn:hover {
  color: var(--ink);
  background: var(--panel);
  border-color: var(--line);
}
.header-actions { display: flex; justify-content: flex-end; gap: 8px; }
.icon-btn {
  background: var(--card);
  box-shadow: 0 8px 20px rgba(40,45,38,0.08);
  cursor: pointer;
}
.menu-btn { display: none; }

.section {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 92px clamp(18px, 5vw, 72px);
}
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.78fr);
  align-items: center;
  gap: clamp(28px, 5vw, 76px);
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--copper);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
}
h1, h2, h3 {
  margin: 0 0 18px;
  line-height: 1.05;
  letter-spacing: 0;
}
h1 {
  max-width: 950px;
  font-size: clamp(44px, 6.1vw, 88px);
  text-wrap: balance;
  color: var(--ink);
}
h2 {
  max-width: 980px;
  font-size: clamp(31px, 4.2vw, 58px);
  text-wrap: balance;
}
h3 { font-size: 22px; }
p { margin: 0 0 18px; color: var(--muted); }
.hero-text {
  max-width: 760px;
  padding-left: 18px;
  border-left: 4px solid var(--copper);
  font-size: clamp(17px, 2vw, 22px);
  color: color-mix(in srgb, var(--ink) 70%, var(--muted));
}

.button-row, .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font-weight: 950;
  box-shadow: 0 12px 26px rgba(40,45,38,0.08);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: var(--copper); }
.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--ink), #3b4038);
  color: var(--bg);
}
body.light .btn.primary { background: linear-gradient(135deg, var(--copper), var(--heat)); color: #160d08; }
.btn.ghost { background: transparent; box-shadow: none; }

.hero-panel, .contact-card, .quote-form, .value-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-panel {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.7), rgba(255,255,255,0.24)),
    linear-gradient(135deg, rgba(39,102,177,0.12), rgba(185,95,43,0.18));
}
body.light .hero-panel {
  background: linear-gradient(180deg, rgba(31,34,29,0.9), rgba(31,34,29,0.56)), linear-gradient(135deg, rgba(115,167,239,0.14), rgba(222,129,80,0.2));
}
.hero-panel:before {
  content: "FORGE CELL";
  position: absolute;
  top: 18px;
  right: 20px;
  color: color-mix(in srgb, var(--ink) 18%, transparent);
  font-size: 38px;
  font-weight: 950;
}
.forge-visual {
  position: absolute;
  inset: 64px 28px auto;
  height: 310px;
  animation: float 7s ease-in-out infinite;
}
.press {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 76px;
  border: 1px solid rgba(23,25,21,0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.18), transparent 24%, rgba(255,255,255,0.22) 50%, transparent 76%),
    linear-gradient(135deg, #7d8788, #eef1eb 42%, #566164);
  box-shadow: inset 0 0 30px rgba(255,255,255,0.24), 0 20px 50px rgba(40,45,38,0.18);
}
body.light .press {
  border-color: rgba(255,255,255,0.18);
  background: linear-gradient(90deg, rgba(255,255,255,0.08), transparent 30%, rgba(255,255,255,0.16) 52%, transparent), linear-gradient(135deg, #202520, #788382, #151915);
}
.press.top { top: 18px; animation: hammer 2.6s cubic-bezier(.65,0,.2,1) infinite; }
.press.bottom { bottom: 16px; }
.billet {
  position: absolute;
  left: 22%;
  right: 22%;
  top: 133px;
  height: 58px;
  border-radius: 999px;
  background: radial-gradient(circle at 50% 45%, #fff1b3, #eaa14d 30%, var(--heat) 62%, #5c1710 100%);
  box-shadow: 0 0 46px rgba(226,72,34,0.44), inset 0 0 20px rgba(255,255,255,0.28);
  animation: billetSquash 2.6s cubic-bezier(.65,0,.2,1) infinite;
}
.heat-cloud {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 98px;
  height: 142px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226,72,34,0.28), rgba(185,95,43,0.16), transparent 68%);
  filter: blur(8px);
  animation: heatPulse 2.6s ease-in-out infinite;
}
.spark {
  position: absolute;
  width: 76px;
  height: 2px;
  top: 160px;
  left: 50%;
  background: linear-gradient(90deg, #ffe0a4, transparent);
  box-shadow: 0 0 14px var(--heat);
  transform-origin: left center;
  animation: sparkShot 1.2s ease-out infinite;
}
.spark.s1 { transform: rotate(22deg); animation-delay: .1s; }
.spark.s2 { transform: rotate(-18deg); animation-delay: .42s; }
.spark.s3 { transform: rotate(158deg); animation-delay: .75s; }
.sparkline {
  position: absolute;
  left: 0;
  right: 0;
  top: 378px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--copper), var(--blue), transparent);
  box-shadow: 0 0 20px rgba(185,95,43,0.45);
}
.trust-grid {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.trust-grid div, .metric, .product-card, .capability-card, .machine-card, .client-card, .address-grid p, .pipeline li, .tag-cloud span, .process-card, .overview-card, .workflow-stage {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.trust-grid div { padding: 14px; }
dt { color: var(--muted); font-size: 12px; text-transform: uppercase; font-weight: 950; }
dd { margin: 4px 0 0; font-weight: 950; }

.band {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0 clamp(18px, 5vw, 72px);
  border-block: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(99,120,93,0.16), rgba(39,102,177,0.12), rgba(185,95,43,0.16));
}
.metric {
  min-height: 126px;
  display: grid;
  align-content: center;
  padding: 20px;
  border-block: 0;
  border-left: 0;
  text-align: left;
  background: transparent;
}
.metric + .metric { border-left: 1px solid var(--line); }
.metric strong {
  display: block;
  color: var(--ink);
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1;
}
.metric span { color: var(--muted); font-weight: 850; text-transform: uppercase; font-size: 12px; }

.split {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, 1fr);
  gap: clamp(26px, 5vw, 68px);
  align-items: center;
}
.image-stack {
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 14px;
  align-items: end;
}
.image-stack img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  filter: saturate(.78) contrast(1.08);
}
.image-stack img:nth-child(2) { height: 300px; margin-bottom: -34px; }
.certificate-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}
.certificate-panel .eyebrow { margin-bottom: 14px; }
.certificate-panel img {
  width: min(100%, 520px);
  max-height: 680px;
  margin: 0 auto;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.product-grid, .capability-grid, .machine-grid, .client-grid, .value-grid, .process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.product-category {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,0.68), rgba(255,255,255,0.28));
  box-shadow: 0 18px 44px rgba(40,45,38,0.1);
}
body.light .product-category { background: rgba(31,34,29,0.66); }
.product-category + .product-category { margin-top: 30px; }
.category-head {
  display: grid;
  grid-template-columns: .56fr 1fr;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}
.category-head h3 { margin-bottom: 0; font-size: clamp(26px, 3vw, 38px); }
.category-head p { margin-bottom: 0; }
.product-card {
  min-height: 244px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--copper);
  box-shadow: 0 20px 44px rgba(185,95,43,0.14);
}
.product-card h3 { color: var(--ink); }
.product-card p { min-height: 94px; }

.capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.process-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.capability-card, .machine-card, .client-card, .value-grid article, .process-card, .overview-card {
  padding: 22px;
  box-shadow: 0 12px 28px rgba(40,45,38,0.08);
}
.process-card h3 { color: var(--copper); }
.overview-card { max-width: 980px; padding: 28px; }
.overview-card p:last-child { margin-bottom: 0; }
.workflow-stage {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.74), rgba(255,255,255,0.34)),
    linear-gradient(110deg, rgba(99,120,93,0.12), rgba(185,95,43,0.16));
  box-shadow: var(--shadow);
}
body.light .workflow-stage {
  background: linear-gradient(180deg, rgba(31,34,29,0.8), rgba(31,34,29,0.52)), linear-gradient(110deg, rgba(143,167,128,0.13), rgba(222,129,80,0.18));
}
.forge-hammer-mini {
  position: absolute;
  left: clamp(18px, 4vw, 48px);
  top: 46px;
  width: 190px;
  height: 280px;
}
.mini-frame {
  position: absolute;
  inset: 0;
  border: 10px solid color-mix(in srgb, var(--ink) 25%, transparent);
  border-bottom-width: 22px;
  border-radius: 8px;
}
.mini-ram {
  position: absolute;
  left: 36px;
  right: 36px;
  top: 32px;
  height: 74px;
  border-radius: 5px;
  background: linear-gradient(135deg, #7d8788, #eef1eb 48%, #566164);
  box-shadow: 0 18px 34px rgba(40,45,38,0.18);
  animation: miniHammer 1.9s cubic-bezier(.72,0,.18,1) infinite;
}
.mini-billet {
  position: absolute;
  left: 52px;
  right: 52px;
  bottom: 72px;
  height: 28px;
  border-radius: 999px;
  background: radial-gradient(circle, #ffe08a, #e84b22 48%, #68130f);
  box-shadow: 0 0 36px rgba(226,72,34,0.48);
  animation: miniBillet 1.9s cubic-bezier(.72,0,.18,1) infinite;
}
.mini-anvil {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 34px;
  height: 48px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--ink) 24%, transparent);
}
.flow-track {
  position: absolute;
  left: min(270px, 26vw);
  right: 28px;
  top: 58px;
  bottom: 46px;
  border-bottom: 3px solid color-mix(in srgb, var(--ink) 20%, transparent);
}
.flow-track:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--blue), var(--green), var(--copper));
  transform-origin: left;
  animation: flowPulse 5.8s linear infinite;
}
.station {
  position: absolute;
  bottom: -34px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}
.s-forge { left: 3%; }
.s-plate { left: 24%; }
.s-machine { left: 48%; }
.s-recheck { left: 70%; }
.s-bike { left: 91%; }
.surface-plate {
  position: absolute;
  left: 18%;
  bottom: 54px;
  width: 150px;
  height: 34px;
  border-radius: 4px;
  background: linear-gradient(135deg, #7e8b8c, #eef1eb 48%, #687374);
  box-shadow: 0 14px 28px rgba(40,45,38,0.14);
}
.surface-plate:after {
  content: "INSPECTION";
  position: absolute;
  left: 50%;
  top: -24px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 10px;
  font-weight: 950;
}
.gauge-line {
  position: absolute;
  left: calc(18% + 70px);
  bottom: 92px;
  width: 3px;
  height: 72px;
  background: var(--copper);
  transform-origin: bottom;
  animation: gaugeCheck 5.8s ease-in-out infinite;
}
.machine-block {
  position: absolute;
  left: 43%;
  bottom: 50px;
  width: 170px;
  height: 136px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--ink) 18%, transparent);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ink) 10%, transparent);
}
.machine-block:before {
  content: "";
  position: absolute;
  left: 38px;
  right: 38px;
  top: 14px;
  height: 42px;
  border-radius: 4px;
  background: linear-gradient(135deg, #8a9696, #eff2ee, #697475);
  animation: machinePress 5.8s ease-in-out infinite;
}
.moving-part {
  position: absolute;
  left: 2%;
  bottom: 78px;
  width: 42px;
  height: 22px;
  border-radius: 999px 999px 10px 10px;
  background: radial-gradient(circle at 50% 45%, #ffe08a, #e84b22 52%, #68130f);
  box-shadow: 0 0 24px rgba(226,72,34,0.5);
  animation: partTravel 5.8s cubic-bezier(.65,0,.16,1) infinite;
}
.operator {
  position: absolute;
  bottom: 82px;
  width: 54px;
  height: 104px;
}
.operator:before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  width: 18px;
  height: 18px;
  border: 3px solid var(--ink);
  border-radius: 50%;
}
.operator:after {
  content: "";
  position: absolute;
  left: 27px;
  top: 22px;
  width: 3px;
  height: 48px;
  background: var(--ink);
  box-shadow:
    -17px 18px 0 -1px var(--ink),
    17px 18px 0 -1px var(--ink),
    -12px 66px 0 -1px var(--ink),
    12px 66px 0 -1px var(--ink);
}
.op-one { left: 12%; animation: operatorLean 5.8s ease-in-out infinite; }
.op-two { left: 38%; animation: operatorLoad 5.8s ease-in-out infinite; }
.op-three { left: 63%; animation: operatorLean 5.8s ease-in-out infinite reverse; }
.bike {
  position: absolute;
  right: 1%;
  bottom: 64px;
  width: 190px;
  height: 94px;
  animation: bikeLaunch 5.8s ease-in-out infinite;
}
.wheel {
  position: absolute;
  bottom: 0;
  width: 42px;
  height: 42px;
  border: 5px solid var(--ink);
  border-radius: 50%;
  animation: wheelSpin .5s linear infinite;
}
.wheel.front { right: 8px; }
.wheel.rear { left: 10px; }
.bike-frame {
  position: absolute;
  left: 30px;
  right: 26px;
  bottom: 28px;
  height: 42px;
  border-left: 5px solid var(--ink);
  border-bottom: 5px solid var(--ink);
  transform: skewX(-28deg);
}
.bike-frame:before {
  content: "";
  position: absolute;
  left: 38px;
  top: -24px;
  width: 70px;
  height: 16px;
  border-radius: 999px;
  background: var(--ink);
}
.speed-line {
  position: absolute;
  left: -44px;
  height: 3px;
  background: var(--copper);
  opacity: 0;
  animation: speedLines 5.8s ease-in-out infinite;
}
.speed-line.l1 { bottom: 26px; width: 42px; }
.speed-line.l2 { bottom: 48px; width: 62px; animation-delay: .1s; }
.capability-card { position: relative; overflow: hidden; }
.capability-card:before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--copper));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.capability-card:hover:before { transform: scaleX(1); }
.search {
  width: min(430px, 100%);
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  box-shadow: 0 10px 24px rgba(40,45,38,0.08);
}
.machine-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.machine-card {
  min-height: 104px;
  display: grid;
  align-content: center;
  color: var(--muted);
  font-weight: 900;
}

.check-list { padding-left: 20px; color: var(--muted); }
.pipeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  counter-reset: step;
}
.pipeline li {
  position: relative;
  padding: 15px 18px 15px 58px;
  color: var(--muted);
  font-weight: 850;
}
.pipeline li:before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 13px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-weight: 950;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-cloud span {
  padding: 13px 17px;
  color: var(--muted);
  font-weight: 900;
}
.client-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.client-card {
  min-height: 112px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--ink);
  font-weight: 950;
}

.contact {
  display: grid;
  grid-template-columns: 1fr .78fr;
  gap: 20px;
  align-items: start;
}
.contact-card, .quote-form { padding: clamp(22px, 4vw, 42px); }
.address-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.address-grid p { padding: 16px; margin: 0; }
.address-grid strong { display: block; color: var(--copper); margin-bottom: 6px; }
.quote-form { display: grid; gap: 12px; }
.quote-form label { display: grid; gap: 6px; color: var(--muted); font-weight: 850; }
input, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font: inherit;
}

.floating {
  position: fixed;
  z-index: 18;
  right: 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-weight: 950;
}
.quote { bottom: 88px; padding: 12px 14px; background: var(--ink); color: var(--bg); }
.whatsapp {
  bottom: 26px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: #26c467;
  color: #06140b;
}
.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  padding: 34px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 92%, #24382f);
  color: var(--bg);
}
.footer p { color: color-mix(in srgb, var(--bg) 72%, transparent); margin: 0; }
.footer nav { display: flex; flex-wrap: wrap; gap: 12px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.hero .reveal { opacity: 1; transform: none; }

@keyframes float { 50% { transform: translateY(-12px); } }
@keyframes hammer {
  0%, 100% { transform: translateY(0); }
  48%, 58% { transform: translateY(68px); }
}
@keyframes billetSquash {
  0%, 100% { transform: scaleX(.86) scaleY(1); }
  50%, 58% { transform: scaleX(1.2) scaleY(.72); }
}
@keyframes heatPulse {
  0%, 100% { opacity: .58; transform: scale(.9); }
  50%, 58% { opacity: 1; transform: scale(1.13); }
}
@keyframes sparkShot {
  0% { opacity: 0; translate: 0 0; scale: .2 1; }
  22% { opacity: 1; }
  100% { opacity: 0; translate: 130px 0; scale: 1 1; }
}
@keyframes miniHammer {
  0%, 100% { transform: translateY(0); }
  47%, 57% { transform: translateY(108px); }
}
@keyframes miniBillet {
  0%, 100% { transform: scaleX(.82) scaleY(1); }
  47%, 57% { transform: scaleX(1.28) scaleY(.58); }
}
@keyframes flowPulse {
  0% { transform: scaleX(.02); }
  100% { transform: scaleX(1); }
}
@keyframes partTravel {
  0%, 11% { left: 2%; bottom: 78px; }
  20%, 30% { left: 24%; bottom: 96px; }
  42%, 54% { left: 48%; bottom: 126px; }
  65%, 76% { left: 70%; bottom: 96px; }
  88%, 100% { left: 91%; bottom: 104px; }
}
@keyframes gaugeCheck {
  0%, 18%, 34%, 100% { transform: rotate(-18deg); }
  22%, 30% { transform: rotate(13deg); }
  66%, 76% { transform: rotate(9deg); }
}
@keyframes machinePress {
  0%, 38%, 58%, 100% { transform: translateY(0); }
  45%, 54% { transform: translateY(50px); }
}
@keyframes operatorLean {
  0%, 16%, 36%, 100% { transform: rotate(0deg); }
  22%, 30% { transform: rotate(-9deg) translateX(8px); }
  68%, 76% { transform: rotate(8deg) translateX(-6px); }
}
@keyframes operatorLoad {
  0%, 38%, 58%, 100% { transform: rotate(0deg); }
  45%, 54% { transform: rotate(8deg) translateX(-10px); }
}
@keyframes bikeLaunch {
  0%, 78% { transform: translateX(0); opacity: 1; }
  92% { transform: translateX(110px); opacity: 1; }
  100% { transform: translateX(170px); opacity: 0; }
}
@keyframes wheelSpin {
  to { transform: rotate(360deg); }
}
@keyframes speedLines {
  0%, 78% { opacity: 0; transform: translateX(0); }
  84%, 94% { opacity: 1; transform: translateX(-38px); }
  100% { opacity: 0; transform: translateX(-70px); }
}

@media (max-width: 1080px) {
  .site-header { grid-template-columns: auto auto; }
  .nav {
    position: fixed;
    inset: 72px 14px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .header-actions { justify-self: end; }
  .menu-btn { display: inline-flex; }
  .hero, .split, .contact { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 54px; }
  .product-grid, .capability-grid, .machine-grid, .client-grid, .value-grid, .process-grid, .band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-head { grid-template-columns: 1fr; }
  .section-head { display: block; }
}

@media (max-width: 660px) {
  .site-header { padding-inline: 12px; }
  .brand { min-width: auto; }
  .brand small { display: none; }
  .section { padding: 66px 14px; }
  .hero-panel { min-height: 500px; }
  .trust-grid, .product-grid, .capability-grid, .machine-grid, .client-grid, .value-grid, .process-grid, .band, .address-grid { grid-template-columns: 1fr; }
  .workflow-stage { min-height: 560px; }
  .forge-hammer-mini { left: 50%; transform: translateX(-50%) scale(.82); top: 26px; }
  .flow-track { left: 16px; right: 16px; top: 310px; bottom: 54px; }
  .station { font-size: 10px; }
  .operator { transform: scale(.76); transform-origin: bottom center; }
  .op-one { left: 8%; }
  .op-two { left: 36%; }
  .op-three { left: 58%; }
  .machine-block { left: 41%; width: 120px; }
  .surface-plate { left: 16%; width: 112px; }
  .bike { right: -18px; transform: scale(.72); transform-origin: bottom right; }
  .band { padding-inline: 14px; }
  .metric + .metric { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .image-stack { grid-template-columns: 1fr; }
  .image-stack img, .image-stack img:nth-child(2) { height: 260px; margin: 0; }
  .certificate-panel img { max-height: 520px; }
  .footer { grid-template-columns: 1fr; }
  .floating.quote { display: none; }
}