:root {
  --ink: #1d2b36;
  --muted: #667785;
  --line: rgba(44, 55, 63, 0.15);
  --primary: #f92a11;
  --primary-dark: #b91d0e;
  --primary-soft: #fff0ed;
  --blue: #2f79a6;
  --deep-blue: #1f536f;
  --light-blue: #edf6fb;
  --orange: #f92a11;
  --steel: #f3f7fa;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(60, 38, 32, 0.12);
  --radius-lg: 18px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  background:
    linear-gradient(90deg, rgba(249, 42, 17, 0.055) 0 1px, transparent 1px 72px),
    linear-gradient(180deg, #ffffff 0%, #faf7f5 45%, #ffffff 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 30px rgba(18, 58, 87, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
}

.brand-logo {
  display: block;
  width: clamp(170px, 22vw, 250px);
  height: auto;
}

h1,
h2,
h3 {
  font-family: "Archivo", sans-serif;
}

.nav-links {
  display: flex;
  gap: clamp(14px, 2.5vw, 34px);
  color: #394a5b;
  font-weight: 700;
  justify-self: center;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--primary);
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}

.header-cta {
  justify-self: end;
}

.header-cta,
.primary-button {
  color: var(--white);
  background: var(--primary);
  box-shadow: 0 12px 24px rgba(249, 42, 17, 0.26);
}

.secondary-button {
  color: var(--primary);
  border: 2px solid rgba(249, 42, 17, 0.22);
  background: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.94fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
  padding: clamp(54px, 9vw, 110px) clamp(18px, 4vw, 58px) 36px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 7.3rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  color: var(--ink);
}

.hero-note {
  display: grid;
  gap: 5px;
  max-width: 650px;
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 5px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--primary-soft);
}

.hero-note span {
  color: var(--muted);
  line-height: 1.55;
}

h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4.6vw, 4.6rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

h3 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 2rem);
  letter-spacing: -0.04em;
}

.hero-text,
.section-heading p,
.quote-copy p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.6vw, 1.22rem);
  line-height: 1.7;
}

.hero-actions,
.protocol-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.protocol-strip {
  max-width: 720px;
  margin-top: 36px;
}

.protocol-strip span {
  padding: 10px 14px;
  border: 1px solid rgba(249, 42, 17, 0.16);
  border-radius: 999px;
  color: #7b2c24;
  font-size: 0.92rem;
  font-weight: 800;
  background: var(--primary-soft);
}

.hero-panel,
.industrial-hero,
.product-stage,
.application-card,
.contact-form,
.compare-grid article {
  border: 1px solid rgba(249, 42, 17, 0.13);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel {
  padding: clamp(18px, 3vw, 34px);
  border-radius: var(--radius-lg);
}

.industrial-hero {
  position: relative;
  min-height: 620px;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(249, 42, 17, 0.18);
  background:
    radial-gradient(circle at 18% 14%, rgba(249, 42, 17, 0.18), transparent 18rem),
    linear-gradient(90deg, rgba(249, 42, 17, 0.055) 0 1px, transparent 1px 42px),
    linear-gradient(0deg, rgba(31, 42, 52, 0.06) 0 1px, transparent 1px 42px),
    linear-gradient(135deg, #fff8f6, #f5f6f7 54%, #ffffff);
  box-shadow: 0 24px 62px rgba(60, 38, 32, 0.14);
}

.industrial-hero::before {
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(249, 42, 17, 0.16);
  border-radius: 18px;
  content: "";
  pointer-events: none;
}

.industrial-hero::after {
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 270px;
  height: 270px;
  border: 28px solid rgba(249, 42, 17, 0.14);
  border-radius: 999px;
  content: "";
}

.industrial-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.machine-window {
  display: grid;
  min-height: 190px;
  place-items: center;
  padding: 18px;
  border: 1px solid rgba(249, 42, 17, 0.18);
  border-radius: 16px;
  background:
    radial-gradient(circle at 22% 16%, rgba(249, 42, 17, 0.13), transparent 12rem),
    linear-gradient(145deg, #ffffff, #f1f3f4);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8), 0 14px 32px rgba(44, 55, 63, 0.1);
}

.machine-window.wide {
  grid-row: span 2;
}

.machine-window img {
  width: 100%;
  max-height: 235px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 18px 18px rgba(0, 0, 0, 0.18));
}

.machine-status {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 5px;
  margin-top: 16px;
  padding: 18px 20px 18px 52px;
  color: var(--ink);
  border: 1px solid rgba(249, 42, 17, 0.16);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(44, 55, 63, 0.1);
}

.machine-status small {
  color: var(--muted);
}

.status-light {
  position: absolute;
  left: 20px;
  top: 22px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(249, 42, 17, 0.18), 0 0 24px rgba(249, 42, 17, 0.8);
}

.industrial-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.industrial-tags span {
  padding: 10px 12px;
  color: var(--primary-dark);
  border: 1px solid rgba(249, 42, 17, 0.22);
  border-radius: 999px;
  background: var(--primary-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
  color: var(--muted);
  font-weight: 800;
}

.panel-topline strong {
  color: var(--primary);
}

.motion-stack {
  display: grid;
  gap: 14px;
}

.stack-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  width: 100%;
  padding: 18px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.64);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.stack-card:hover,
.stack-card.active {
  transform: translateY(-3px);
  border-color: rgba(249, 42, 17, 0.55);
  background: var(--primary-soft);
}

.card-number {
  grid-row: span 2;
  color: var(--primary);
  font-weight: 800;
}

.stack-card small {
  color: var(--muted);
}

.system-readout {
  margin-top: 20px;
  padding: 18px;
  color: var(--white);
  font-weight: 700;
  line-height: 1.5;
  border-radius: var(--radius-md);
  background: var(--primary);
}

.product-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.product-rail img {
  width: 100%;
  height: 86px;
  object-fit: contain;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 58px);
}

.trust-band article {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
}

.trust-band article:first-child {
  border-radius: 24px 0 0 24px;
}

.trust-band article:last-child {
  border-radius: 0 24px 24px 0;
}

.trust-band strong,
.trust-band span {
  display: block;
}

.trust-band strong {
  font-family: "Archivo", sans-serif;
  font-size: 1.55rem;
}

.trust-band span {
  margin-top: 6px;
  color: var(--muted);
}

.section-shell {
  padding: clamp(70px, 9vw, 124px) clamp(18px, 4vw, 58px);
}

.section-heading {
  display: grid;
  gap: 18px;
  max-width: 980px;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.section-heading.narrow {
  max-width: 660px;
  margin-bottom: 0;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(230px, 320px) minmax(0, 1fr);
  gap: 24px;
}

.product-tabs {
  display: grid;
  gap: 12px;
  align-content: start;
}

.product-tab {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink);
  background: var(--white);
  cursor: pointer;
  transition: transform 180ms ease, color 180ms ease, background 180ms ease;
}

.product-tab span {
  color: var(--muted);
  font-size: 0.92rem;
}

.product-tab.active {
  color: var(--white);
  background: var(--primary);
  transform: translateX(8px);
}

.product-tab.active span {
  color: rgba(255, 255, 255, 0.76);
}

.product-stage {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(300px, 1.2fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  min-height: 520px;
  padding: clamp(22px, 4vw, 54px);
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.product-art {
  position: relative;
  display: grid;
  min-height: 340px;
  place-items: center;
  border-radius: 30px;
  background: var(--white);
  border: 1px solid var(--line);
}

.product-art::after {
  position: absolute;
  inset: 18px auto auto 18px;
  width: 70px;
  height: 6px;
  background: var(--primary);
  content: "";
}

.product-art img {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  max-height: 330px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-kicker {
  margin: 0 0 10px;
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
}

.product-content > p:not(.product-kicker),
.fit-card p {
  color: var(--muted);
  line-height: 1.7;
}

.product-shop-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 48px;
  margin-top: 8px;
  padding: 0 22px;
  color: var(--white);
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 12px 24px rgba(249, 42, 17, 0.22);
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.product-shop-button:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 16px 30px rgba(249, 42, 17, 0.28);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.spec-grid article,
.fit-card,
.application-list {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.spec-grid strong {
  display: block;
  color: var(--primary);
  font-family: "Archivo", sans-serif;
  font-size: 1.28rem;
}

.spec-grid span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.application-list {
  margin-top: 14px;
  background: var(--primary-soft);
}

.application-list ul {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.application-list li {
  position: relative;
  padding-left: 22px;
  color: #4e5962;
  line-height: 1.55;
}

.application-list li::before {
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
  content: "";
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 86px);
  align-items: center;
  background: linear-gradient(135deg, #2b3035, #111820);
  color: var(--white);
}

.split-section .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.application-card {
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--radius-lg);
}

.application-card label,
.field-group label {
  display: block;
  margin-bottom: 10px;
  color: var(--primary-dark);
  font-weight: 800;
}

.application-card select,
.field-group select {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  color: var(--ink);
  border: 1px solid rgba(16, 32, 51, 0.18);
  border-radius: 16px;
  background: var(--white);
}

.application-result {
  margin-top: 24px;
  padding: clamp(20px, 4vw, 34px);
  border-radius: 24px;
  color: var(--white);
  background: var(--primary);
}

.application-result span {
  display: block;
  margin-bottom: 10px;
  color: #ffd5cf;
  font-weight: 800;
  text-transform: uppercase;
}

.application-result p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.7;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.compare-grid article {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(249, 42, 17, 0.18);
  border-top: 7px solid var(--primary);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.compare-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--primary);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.compare-grid h3 {
  color: var(--ink);
}

.compare-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.product-insight-section {
  padding-top: clamp(60px, 8vw, 110px);
  padding-bottom: clamp(60px, 8vw, 110px);
}

.product-insight-section-alt {
  background:
    radial-gradient(circle at 90% 12%, rgba(249, 42, 17, 0.08), transparent 18rem),
    linear-gradient(180deg, #fff8f6 0%, #ffffff 100%);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.insight-card {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(249, 42, 17, 0.16);
  border-top: 7px solid var(--primary);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.insight-card span {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.insight-card h3 {
  color: var(--ink);
  font-size: clamp(1.3rem, 1.8vw, 1.7rem);
  line-height: 1.1;
}

.insight-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(340px, 1fr);
  gap: clamp(18px, 3vw, 40px);
  align-items: start;
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 60px) clamp(18px, 3vw, 36px);
  background:
    radial-gradient(circle at 8% 22%, rgba(249, 42, 17, 0.1), transparent 24rem),
    linear-gradient(180deg, #ffffff, #fff8f6);
}

.quote-copy {
  max-width: 560px;
  padding-top: 4px;
}

.quote-copy h2 {
  max-width: 520px;
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.quote-support-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.quote-support-item {
  padding: 16px 20px;
  color: var(--ink);
  border-radius: 14px;
  background: rgba(249, 42, 17, 0.09);
  font-family: "Archivo", sans-serif;
  font-size: clamp(1rem, 1.35vw, 1.35rem);
  font-weight: 700;
  line-height: 1.2;
}

.contact-cta-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(249, 42, 17, 0.14);
  border-left: 7px solid var(--primary);
  border-radius: 18px;
  background:
    radial-gradient(circle at 18% 18%, rgba(249, 42, 17, 0.12), transparent 18rem),
    linear-gradient(135deg, #fff8f6, #ffffff 55%, #fffdfc);
  box-shadow: var(--shadow);
  min-height: 100%;
}

.contact-cta-card::after {
  position: absolute;
  right: -62px;
  bottom: -96px;
  width: 220px;
  height: 220px;
  border: 18px solid rgba(249, 42, 17, 0.12);
  border-radius: 999px;
  content: "";
}

.contact-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.contact-cta-kicker {
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-cta-inner h3 {
  font-size: clamp(1.55rem, 2.5vw, 2.3rem);
  line-height: 1.02;
  color: var(--ink);
}

.contact-cta-inner p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  line-height: 1.55;
}

.contact-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 620px);
  min-height: 64px;
  padding: 0 22px;
  color: var(--white);
  border-radius: 999px;
  background: #ff2c13;
  box-shadow: 0 18px 36px rgba(249, 42, 17, 0.22);
  font-family: "Archivo", sans-serif;
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  font-weight: 800;
  text-align: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.contact-cta-button:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 22px 40px rgba(249, 42, 17, 0.28);
}

.contact-cta-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--primary-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(18px, 4vw, 58px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: var(--primary);
  font-weight: 800;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Servo vs. Stepper enhancements ── */

.compare-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.compare-list li {
  position: relative;
  padding-left: 22px;
  color: #4e5962;
  font-size: 0.96rem;
  line-height: 1.55;
}

.compare-list li::before {
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
  content: "";
}

.compare-list-stepper li::before {
  background: var(--blue);
}

.compare-attrs {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 11px;
}

.compare-attr {
  display: grid;
  grid-template-columns: 76px 1fr;
  align-items: center;
  gap: 12px;
}

.compare-attr > span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.attr-bar {
  height: 6px;
  background: rgba(44, 55, 63, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.attr-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--primary);
  transition: width 600ms ease;
}

.attr-fill-stepper {
  background: var(--blue);
}

.compare-grid .compare-stepper-card {
  border-top-color: var(--blue);
}

.compare-grid .compare-stepper-card > span {
  color: var(--blue);
}

.compare-footnote {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
}

.compare-footnote a {
  color: var(--primary);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(249, 42, 17, 0.4);
  text-underline-offset: 3px;
}

/* ── Real-Life Uses enhancements ── */

.insight-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.insight-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
}

.insight-industry {
  display: inline-block;
  margin-top: 2px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.insight-result {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--steel);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.4;
}

/* ── How It Works enhancements ── */

.system-chain {
  display: flex;
  align-items: center;
  margin-bottom: clamp(28px, 4vw, 44px);
  padding: 16px 22px;
  border: 1px solid rgba(249, 42, 17, 0.14);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(44, 55, 63, 0.07);
  overflow-x: auto;
  gap: 0;
}

.chain-node {
  display: grid;
  gap: 3px;
  flex: 1;
  min-width: 110px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--steel);
  text-align: center;
}

.chain-node-active {
  border-color: rgba(249, 42, 17, 0.24);
  background: var(--primary-soft);
}

.chain-node strong {
  font-family: "Archivo", sans-serif;
  font-size: 0.86rem;
  color: var(--ink);
}

.chain-node span {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.chain-node-active strong {
  color: var(--primary-dark);
}

.chain-arrow {
  flex-shrink: 0;
  padding: 0 10px;
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 800;
}

.hiw-step {
  display: inline-flex;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .product-layout,
  .product-stage,
  .split-section,
  .quote-section {
    grid-template-columns: 1fr;
  }

  .trust-band,
  .compare-grid,
  .insight-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-tab.active {
    transform: translateY(-2px);
  }
}

@media (max-width: 780px) {
  .system-chain {
    gap: 6px;
    padding: 14px 16px;
  }

  .chain-node {
    padding: 10px 12px;
    min-width: 80px;
  }

  .chain-arrow {
    padding: 0 6px;
    font-size: 1rem;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
  }

  .header-cta {
    display: none;
  }

  .brand-logo {
    width: 180px;
  }

  .industrial-hero {
    min-height: auto;
  }

  .industrial-grid {
    grid-template-columns: 1fr;
  }

  .machine-window.wide {
    grid-row: auto;
  }

  .trust-band,
  .compare-grid,
  .insight-grid,
  .spec-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .quote-support-item {
    padding: 22px 24px;
    font-size: 1.25rem;
  }

  .trust-band article,
  .trust-band article:first-child,
  .trust-band article:last-child {
    border-radius: 18px;
  }

  .product-art {
    min-height: 250px;
  }

  .site-footer {
    flex-direction: column;
  }
}