:root {
  --ink: #071a24;
  --ink-soft: #304651;
  --navy: #071724;
  --navy-2: #0d2635;
  --navy-3: #123445;
  --aqua: #31d5d0;
  --aqua-dark: #08706e;
  --aqua-pale: #dff8f5;
  --warm: #ffca74;
  --paper: #ffffff;
  --mist: #f1f5f4;
  --line: #d7e1df;
  --muted: #52666f;
  --shadow: 0 24px 70px rgba(5, 25, 35, 0.12);
  --radius: 18px;
  --radius-lg: 28px;
  --container: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Aptos, "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.modal-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
summary {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.06;
}

h1 {
  font-size: clamp(3rem, 6vw, 6.4rem);
}

h2 {
  font-size: clamp(2.25rem, 4vw, 4.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.container {
  margin-inline: auto;
  width: min(calc(100% - 48px), var(--container));
}

.sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.skip-link {
  background: var(--aqua);
  color: var(--navy);
  font-weight: 800;
  left: 16px;
  padding: 12px 16px;
  position: fixed;
  top: -80px;
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

.topbar {
  background: var(--navy);
  color: #cfe0e4;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.topbar-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 34px;
}

.topbar-contact {
  align-items: center;
  display: flex;
  gap: 24px;
}

.topbar a {
  color: var(--aqua);
}

.site-header {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(7, 26, 36, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 28px;
  height: 86px;
}

.brand {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
  gap: 12px;
}

.brand-mark {
  align-items: center;
  background: var(--navy);
  border-radius: 12px;
  display: inline-flex;
  height: 46px;
  justify-content: center;
  overflow: hidden;
  position: relative;
  width: 46px;
}

.brand-ring {
  border: 3px solid var(--aqua);
  border-radius: 50%;
  height: 24px;
  position: absolute;
  width: 24px;
}

.brand-line {
  background: var(--warm);
  height: 3px;
  position: absolute;
  transform: rotate(-42deg);
  width: 38px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  color: var(--navy);
  font-size: 0.92rem;
  letter-spacing: 0.065em;
}

.brand-copy span {
  color: var(--aqua-dark);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.22em;
  margin-top: 7px;
}

.primary-nav {
  align-items: center;
  display: flex;
  gap: 5px;
  margin-left: auto;
}

.primary-nav > a,
.nav-dropdown > summary {
  align-items: center;
  border-radius: 10px;
  color: #263c47;
  display: flex;
  font-size: 0.88rem;
  font-weight: 720;
  list-style: none;
  min-height: 42px;
  padding: 0 12px;
  white-space: nowrap;
}

.nav-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown > summary::after {
  border-bottom: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  content: "";
  height: 6px;
  margin-left: 8px;
  margin-top: -4px;
  transform: rotate(45deg);
  width: 6px;
}

.primary-nav > a:hover,
.nav-dropdown > summary:hover,
.nav-dropdown[open] > summary {
  background: var(--mist);
  color: var(--aqua-dark);
}

.nav-dropdown {
  position: relative;
}

.dropdown-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: grid;
  min-width: 265px;
  padding: 14px;
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
}

.dropdown-panel::before {
  content: "";
  height: 14px;
  left: 0;
  position: absolute;
  right: 0;
  top: -14px;
}

.dropdown-wide {
  gap: 12px;
  grid-template-columns: 1fr 1fr;
  min-width: 560px;
}

.dropdown-panel a {
  border-radius: 10px;
  display: block;
  font-size: 0.88rem;
  font-weight: 680;
  padding: 10px 12px;
}

.dropdown-panel a:hover {
  background: var(--aqua-pale);
  color: var(--aqua-dark);
}

.dropdown-label {
  color: var(--muted);
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  text-transform: uppercase;
}

.menu-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 44px;
  padding: 8px;
  width: 44px;
}

.menu-toggle > span:not(.sr-only) {
  background: var(--navy);
  display: block;
  height: 2px;
  margin: 5px 0;
  transition: transform 180ms ease, opacity 180ms ease;
  width: 26px;
}

.button {
  align-items: center;
  background: var(--aqua);
  border: 1px solid var(--aqua);
  border-radius: 999px;
  color: var(--navy);
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 52px;
  padding: 12px 23px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  background: #62e7e0;
  border-color: #62e7e0;
  transform: translateY(-2px);
}

.button svg,
.text-link svg,
.mini-links svg,
.system-card svg,
.related-card svg,
.hero-panel svg {
  fill: none;
  height: 18px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 18px;
}

.button-small {
  font-size: 0.82rem;
  min-height: 44px;
  padding: 9px 18px;
}

.button-full {
  width: 100%;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.button-ghost:hover {
  background: #fff;
  border-color: #fff;
  color: var(--navy);
}

.button-ghost-dark,
.button-outline {
  background: transparent;
  border-color: rgba(7, 26, 36, 0.22);
  color: var(--navy);
}

.button-ghost-dark:hover,
.button-outline:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.eyebrow {
  align-items: center;
  color: var(--aqua-dark);
  display: inline-flex;
  font-size: 0.73rem;
  font-weight: 850;
  gap: 10px;
  letter-spacing: 0.16em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.eyebrow::before {
  background: var(--aqua);
  content: "";
  height: 2px;
  width: 28px;
}

.eyebrow-light {
  color: var(--aqua);
}

.home-hero {
  background-color: var(--navy);
  background-image:
    linear-gradient(90deg, rgba(3, 15, 24, 0.97) 0%, rgba(3, 15, 24, 0.87) 35%, rgba(3, 15, 24, 0.42) 67%, rgba(3, 15, 24, 0.12) 100%),
    var(--hero-image, url("images/hero-checkweigher.webp"));
  background-position: center;
  background-size: cover;
  color: #fff;
  height: clamp(480px, calc(100svh - 120px), 840px);
  min-height: 480px;
  overflow: hidden;
  position: relative;
}

.home-hero::after {
  background:
    linear-gradient(0deg, rgba(4, 19, 29, 0.55), transparent 28%),
    radial-gradient(circle at 72% 50%, transparent 0, rgba(4, 19, 29, 0.18) 62%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.58fr);
  height: 100%;
  padding-block: 70px 90px;
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 780px;
}

.hero-copy h1 {
  font-size: clamp(3.6rem, 6.4vw, 7.05rem);
  font-weight: 760;
  letter-spacing: -0.067em;
  margin-bottom: 28px;
  max-width: 850px;
}

.hero-copy h1 span {
  color: var(--aqua);
  display: block;
  font-size: 0.58em;
  letter-spacing: -0.04em;
  margin-top: 12px;
}

.hero-copy > p {
  color: #dbe7e9;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  max-width: 670px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
}

.hero-checks li {
  align-items: center;
  color: #dbe7e9;
  display: flex;
  font-size: 0.82rem;
  font-weight: 650;
  gap: 8px;
}

.hero-checks svg,
.check-list svg {
  fill: none;
  height: 18px;
  min-width: 18px;
  stroke: var(--aqua);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 18px;
}

.hero-panel {
  align-self: center;
  backdrop-filter: blur(18px);
  background: rgba(5, 24, 35, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.28);
  padding: 28px;
}

.hero-panel > span {
  color: var(--aqua);
  display: block;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero-panel > div {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 15px;
  grid-template-columns: 42px 1fr;
  padding: 17px 0;
}

.hero-panel > div strong {
  color: var(--warm);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.hero-panel p {
  color: #d6e4e7;
  font-size: 0.85rem;
  line-height: 1.45;
  margin: 0;
}

.hero-panel b {
  color: #fff;
  display: block;
  font-size: 0.95rem;
}

.hero-panel > a {
  align-items: center;
  color: var(--aqua);
  display: inline-flex;
  font-size: 0.87rem;
  font-weight: 800;
  gap: 8px;
  margin-top: 8px;
}

.hero-scroll {
  bottom: 22px;
  height: 42px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  width: 28px;
  z-index: 2;
}

.hero-scroll::before {
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  content: "";
  inset: 0;
  position: absolute;
}

.hero-scroll span {
  animation: scroll-indicator 1.7s ease-in-out infinite;
  background: var(--aqua);
  border-radius: 50%;
  height: 5px;
  left: 50%;
  position: absolute;
  top: 8px;
  transform: translateX(-50%);
  width: 5px;
}

@keyframes scroll-indicator {
  0%, 100% { opacity: 0.3; transform: translate(-50%, 0); }
  50% { opacity: 1; transform: translate(-50%, 17px); }
}

@media (min-width: 881px) and (max-height: 700px) {
  .hero-grid {
    padding-block: 36px 48px;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 5.4vw, 5.5rem);
    margin-bottom: 18px;
  }

  .hero-copy h1 span {
    margin-top: 6px;
  }

  .hero-copy > p {
    font-size: 1rem;
    line-height: 1.45;
  }

  .hero-actions,
  .hero-checks {
    margin-top: 20px;
  }

  .hero-panel > div {
    padding-block: 12px;
  }
}

@media (min-width: 881px) and (max-height: 620px) {
  .hero-grid {
    padding-block: 28px 34px;
  }

  .home-hero .eyebrow {
    margin-bottom: 14px;
  }

  .hero-copy h1 {
    font-size: clamp(2.7rem, 5vw, 4.5rem);
    margin-bottom: 14px;
  }

  .hero-actions {
    margin-top: 14px;
  }

  .hero-checks {
    display: none;
  }

  .hero-panel {
    padding: 22px;
  }

  .hero-panel > div {
    padding-block: 10px;
  }
}

.capability-bar {
  background: var(--aqua);
  color: var(--navy);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.capability-grid > div {
  align-items: center;
  border-left: 1px solid rgba(7, 23, 36, 0.16);
  display: flex;
  gap: 13px;
  min-height: 88px;
  padding: 16px 24px;
}

.capability-grid > div:last-child {
  border-right: 1px solid rgba(7, 23, 36, 0.16);
}

.capability-grid span {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.capability-grid strong {
  font-size: 0.77rem;
  letter-spacing: 0.03em;
  line-height: 1.35;
  text-transform: uppercase;
}

.section {
  padding-block: clamp(82px, 9vw, 138px);
}

.section-tint {
  background: var(--mist);
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.section-heading {
  max-width: 740px;
}

.section-heading h2 {
  font-weight: 740;
  margin-bottom: 24px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.04rem;
  max-width: 640px;
}

.section-heading-center {
  margin-inline: auto;
  text-align: center;
}

.section-heading-center .eyebrow {
  justify-content: center;
}

.intro-layout {
  align-items: end;
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 1.06fr) minmax(300px, 0.8fr);
  margin-bottom: 62px;
}

.intro-layout .section-heading h2 {
  margin-bottom: 0;
}

.intro-layout > div:last-child > p:last-child {
  color: var(--muted);
  margin-bottom: 0;
}

.large-copy {
  color: var(--ink);
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  font-weight: 580;
  line-height: 1.56;
}

.system-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
}

.system-card {
  border-radius: var(--radius);
  color: #fff;
  min-height: 430px;
  overflow: hidden;
  position: relative;
  transform: translateZ(0);
}

.system-card-large {
  grid-column: span 2;
}

.system-card img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  transition: transform 500ms ease;
  width: 100%;
}

.system-card:hover img {
  transform: scale(1.035);
}

.card-overlay {
  background: linear-gradient(0deg, rgba(3, 17, 26, 0.96), rgba(3, 17, 26, 0.08) 75%);
  inset: 0;
  position: absolute;
}

.system-card-copy {
  bottom: 0;
  left: 0;
  padding: 30px;
  position: absolute;
  right: 0;
}

.system-card-copy > span {
  color: var(--aqua);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-card-copy h3 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  margin: 12px 0;
}

.system-card-copy p {
  color: #d6e2e5;
  display: -webkit-box;
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: 18px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.system-card-copy strong {
  align-items: center;
  color: var(--aqua);
  display: inline-flex;
  font-size: 0.8rem;
  gap: 8px;
}

.process-section {
  background:
    radial-gradient(circle at 85% 15%, rgba(49, 213, 208, 0.12), transparent 28%),
    var(--navy);
}

.process-section .section-heading p {
  color: #a8bdc3;
}

.process-grid {
  counter-reset: process;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 62px;
}

.process-grid:has(> article:nth-child(5)) {
  grid-template-columns: repeat(3, 1fr);
}

.process-grid article {
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  min-height: 270px;
  padding: 26px 30px;
}

.process-grid article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.process-grid article > span {
  color: var(--aqua);
  display: block;
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  margin-bottom: 70px;
}

.process-grid h3 {
  font-size: 1.35rem;
}

.process-grid p {
  color: #adbec3;
  font-size: 0.89rem;
  margin-bottom: 0;
}

.control-grid {
  align-items: center;
  display: grid;
  gap: clamp(55px, 7vw, 100px);
  grid-template-columns: 1.05fr 0.95fr;
}

.control-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  min-height: 580px;
  overflow: hidden;
  position: relative;
}

.control-image img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.control-badge {
  backdrop-filter: blur(14px);
  background: rgba(5, 25, 36, 0.86);
  border-radius: 14px;
  bottom: 24px;
  color: #fff;
  left: 24px;
  padding: 18px 22px;
  position: absolute;
  right: 24px;
}

.control-badge span {
  color: var(--aqua);
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.control-badge strong {
  display: block;
  font-size: 1rem;
  margin-top: 5px;
}

.control-grid > div:last-child > p:not(.large-copy) {
  color: var(--muted);
}

.mini-links {
  border-top: 1px solid var(--line);
  display: grid;
  margin-top: 34px;
  padding-top: 14px;
}

.mini-links a {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  font-size: 0.92rem;
  font-weight: 760;
  justify-content: space-between;
  padding: 15px 2px;
}

.mini-links a:hover {
  color: var(--aqua-dark);
}

.outcomes-grid {
  display: grid;
  gap: 85px;
  grid-template-columns: 0.75fr 1.25fr;
}

.outcomes-grid > div:first-child > p {
  color: var(--muted);
  font-size: 1.05rem;
}

.outcomes-list {
  border-top: 1px solid var(--line);
}

.outcomes-list article {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 25px;
  grid-template-columns: 58px 1fr;
  padding: 26px 4px;
}

.outcomes-list article > span {
  color: var(--aqua-dark);
  font-size: 0.75rem;
  font-weight: 850;
}

.outcomes-list h3 {
  margin-bottom: 8px;
}

.outcomes-list p {
  color: var(--muted);
  margin-bottom: 0;
}

.faq-layout {
  display: grid;
  gap: clamp(60px, 9vw, 125px);
  grid-template-columns: 0.78fr 1.22fr;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  align-items: center;
  display: flex;
  font-size: 1.05rem;
  font-weight: 760;
  gap: 24px;
  justify-content: space-between;
  list-style: none;
  padding: 24px 0;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: inline-flex;
  flex: 0 0 32px;
  font-size: 1.25rem;
  font-weight: 400;
  height: 32px;
  justify-content: center;
  transition: transform 180ms ease;
}

.faq-list details[open] summary span {
  background: var(--aqua);
  border-color: var(--aqua);
  transform: rotate(45deg);
}

.faq-list details p {
  color: var(--muted);
  max-width: 700px;
  padding: 0 60px 25px 0;
}

.contact-band {
  background:
    linear-gradient(110deg, rgba(7, 23, 36, 0.98), rgba(7, 23, 36, 0.86)),
    url("images/hero-checkweigher.webp") center / cover;
  color: #fff;
  padding-block: 84px;
}

.contact-band-inner {
  align-items: center;
  display: grid;
  gap: 70px;
  grid-template-columns: 1fr auto;
}

.contact-band h2 {
  font-size: clamp(2.4rem, 4.5vw, 4.8rem);
  margin-bottom: 18px;
  max-width: 840px;
}

.contact-band p {
  color: #b7c8cd;
  margin-bottom: 0;
}

.contact-band-actions {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.contact-band-actions > a:not(.button) {
  color: #dbe5e7;
  font-size: 0.87rem;
}

.subhero {
  background-color: var(--navy);
  background-image:
    linear-gradient(90deg, rgba(3, 16, 25, 0.96), rgba(3, 16, 25, 0.76) 48%, rgba(3, 16, 25, 0.25)),
    var(--hero-image, url("images/hero-checkweigher.webp"));
  background-position: center;
  background-size: cover;
  color: #fff;
  min-height: min(680px, calc(100svh - 120px));
}

.subhero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(680px, calc(100svh - 120px));
  padding-block: 70px;
}

.breadcrumbs {
  color: #b9c9cd;
  display: flex;
  font-size: 0.78rem;
  gap: 10px;
  margin-bottom: 45px;
}

.breadcrumbs a:hover {
  color: var(--aqua);
}

.subhero h1 {
  font-size: clamp(3.1rem, 6vw, 6.7rem);
  max-width: 980px;
}

.subhero p {
  color: #d4e0e3;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  max-width: 760px;
}

.proof-strip {
  background: var(--aqua);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-grid > div {
  align-items: center;
  border-left: 1px solid rgba(7, 23, 36, 0.16);
  display: flex;
  gap: 18px;
  min-height: 94px;
  padding: 18px 28px;
}

.proof-grid > div:last-child {
  border-right: 1px solid rgba(7, 23, 36, 0.16);
}

.proof-grid span {
  font-size: 0.7rem;
  font-weight: 850;
}

.proof-grid strong {
  font-size: 0.84rem;
  line-height: 1.4;
}

.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 55px;
}

.feature-card {
  background: var(--mist);
  border: 1px solid transparent;
  border-radius: var(--radius);
  min-height: 285px;
  padding: 34px;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.feature-card:hover {
  background: #fff;
  border-color: var(--line);
  transform: translateY(-4px);
}

.feature-number {
  color: var(--aqua-dark);
  display: block;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  margin-bottom: 55px;
}

.feature-card h3 {
  margin-bottom: 14px;
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.split-layout {
  align-items: start;
  display: grid;
  gap: clamp(60px, 9vw, 125px);
  grid-template-columns: 1.08fr 0.72fr;
}

.check-list {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 35px 0 0;
  padding: 0;
}

.check-list li {
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 14px;
  padding: 14px 0;
}

.check-list li:first-child {
  border-top: 1px solid var(--line);
}

.check-list svg {
  margin-top: 3px;
}

.project-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  color: #fff;
  overflow: hidden;
  padding: 38px;
  position: sticky;
  top: 116px;
}

.project-card::after {
  background: var(--aqua);
  border-radius: 50%;
  content: "";
  filter: blur(2px);
  height: 150px;
  opacity: 0.08;
  position: absolute;
  right: -50px;
  top: -50px;
  width: 150px;
}

.project-card h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.project-card > p {
  color: #b7c8cd;
}

.project-card dl {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin: 28px 0;
}

.project-card dl div {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: grid;
  font-size: 0.82rem;
  gap: 14px;
  grid-template-columns: 86px 1fr;
  padding: 12px 0;
}

.project-card dt {
  color: var(--aqua);
  font-weight: 800;
}

.project-card dd {
  color: #d8e3e6;
  margin: 0;
}

.integration-layout {
  align-items: center;
  display: grid;
  gap: clamp(60px, 8vw, 110px);
  grid-template-columns: 0.87fr 1.13fr;
}

.integration-copy > p {
  color: var(--muted);
  font-size: 1.08rem;
}

.integration-visual {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  min-height: 570px;
  overflow: hidden;
  position: relative;
}

.integration-visual img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.image-caption {
  backdrop-filter: blur(14px);
  background: rgba(6, 24, 34, 0.88);
  border-radius: 14px;
  bottom: 22px;
  color: #fff;
  left: 22px;
  padding: 17px 20px;
  position: absolute;
  right: 22px;
}

.image-caption span {
  color: var(--aqua);
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.image-caption strong {
  display: block;
  font-size: 0.9rem;
  margin-top: 5px;
}

.application-block {
  margin-top: 38px;
}

.application-block h3 {
  font-size: 1rem;
  margin-bottom: 16px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-list span {
  background: var(--aqua-pale);
  border: 1px solid #c5e9e5;
  border-radius: 999px;
  color: #28605f;
  font-size: 0.78rem;
  font-weight: 720;
  padding: 8px 13px;
}

.dark-cta-grid {
  align-items: center;
  display: grid;
  gap: 50px;
  grid-template-columns: 1.2fr 0.8fr auto;
}

.dark-cta-grid h2 {
  font-size: clamp(2.3rem, 4.2vw, 4.4rem);
  margin-bottom: 0;
}

.dark-cta-grid > p {
  color: #adc0c5;
  margin-bottom: 0;
}

.related-section {
  background: var(--mist);
}

.related-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 48px;
}

.related-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.related-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.related-card > img {
  aspect-ratio: 1.5;
  object-fit: cover;
  width: 100%;
}

.related-card > div {
  padding: 25px;
}

.related-card > div > span {
  color: var(--aqua-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.related-card h3 {
  margin: 10px 0;
}

.related-card p {
  color: var(--muted);
  display: -webkit-box;
  font-size: 0.86rem;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.related-card strong {
  align-items: center;
  color: var(--aqua-dark);
  display: inline-flex;
  font-size: 0.79rem;
  gap: 7px;
}

.contact-hero,
.legal-hero {
  background:
    radial-gradient(circle at 82% 40%, rgba(49, 213, 208, 0.18), transparent 26%),
    linear-gradient(120deg, var(--navy), #0b3244);
  color: #fff;
}

.contact-hero {
  padding-block: clamp(85px, 10vw, 140px);
}

.contact-hero-grid {
  align-items: end;
  display: grid;
  gap: 70px;
  grid-template-columns: 1.35fr 0.65fr;
}

.contact-hero h1 {
  font-size: clamp(3.2rem, 6vw, 6.6rem);
  margin-bottom: 25px;
  max-width: 1000px;
}

.contact-hero p {
  color: #c5d4d8;
  font-size: 1.18rem;
  max-width: 710px;
}

.contact-direct {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 32px;
}

.contact-direct span {
  color: var(--aqua);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-direct a {
  font-size: 0.92rem;
  font-weight: 650;
}

.contact-layout {
  align-items: start;
  display: grid;
  gap: clamp(60px, 8vw, 115px);
  grid-template-columns: 0.9fr 1.1fr;
}

.contact-points {
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

.contact-points article {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 15px;
  grid-template-columns: 40px 1fr;
  padding: 20px 0;
}

.contact-points article > span {
  color: var(--aqua-dark);
  font-size: 0.7rem;
  font-weight: 850;
}

.contact-points h2 {
  font-size: 1.15rem;
  margin-bottom: 7px;
}

.contact-points p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.sample-note {
  background: var(--aqua-pale);
  border-radius: 15px;
  margin-top: 28px;
  padding: 22px;
}

.sample-note span {
  color: var(--aqua-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sample-note p {
  color: #335e61;
  font-size: 0.9rem;
  margin: 7px 0 0;
}

.form-card {
  background: var(--mist);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(5, 25, 35, 0.08);
  padding: clamp(28px, 4vw, 52px);
}

.form-card > h2 {
  font-size: clamp(2rem, 3.2vw, 3.2rem);
}

.enquiry-form {
  display: grid;
  gap: 17px;
  margin-top: 30px;
}

.form-row {
  display: grid;
  gap: 15px;
  grid-template-columns: repeat(2, 1fr);
}

.enquiry-form label {
  display: grid;
  gap: 7px;
}

.enquiry-form label > span {
  font-size: 0.75rem;
  font-weight: 760;
}

.enquiry-form input,
.enquiry-form select,
.enquiry-form textarea {
  background: #fff;
  border: 1px solid #c9d6d5;
  border-radius: 10px;
  outline: none;
  padding: 13px 14px;
  width: 100%;
}

.enquiry-form textarea {
  min-height: 140px;
  resize: vertical;
}

.enquiry-form input:focus,
.enquiry-form select:focus,
.enquiry-form textarea:focus {
  border-color: var(--aqua-dark);
  box-shadow: 0 0 0 3px rgba(49, 213, 208, 0.18);
}

.enquiry-form .consent {
  align-items: flex-start;
  display: flex;
  gap: 10px;
}

.enquiry-form .consent input {
  height: 18px;
  margin-top: 2px;
  width: 18px;
}

.enquiry-form .consent span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.form-note {
  color: var(--muted);
  font-size: 0.72rem;
  margin: 0;
  text-align: center;
}

.honeypot {
  height: 0;
  left: -10000px;
  overflow: hidden;
  position: absolute;
  width: 0;
}

.next-step-grid {
  display: grid;
  gap: 70px;
  grid-template-columns: 0.85fr 1.15fr;
}

.next-step-grid ol {
  border-top: 1px solid var(--line);
  list-style: none;
  margin: 0;
  padding: 0;
}

.next-step-grid li {
  align-items: start;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: 36px 1fr;
  padding: 20px 0;
}

.next-step-grid li > span {
  align-items: center;
  background: var(--aqua);
  border-radius: 50%;
  display: flex;
  font-size: 0.72rem;
  font-weight: 850;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.next-step-grid li p {
  margin-bottom: 0;
}

.next-step-grid li strong {
  display: block;
}

.next-step-grid > a {
  align-self: end;
}

.text-link {
  align-items: center;
  color: var(--aqua-dark);
  display: inline-flex;
  font-size: 0.87rem;
  font-weight: 800;
  gap: 8px;
}

.legal-hero {
  padding-block: 90px;
}

.legal-hero h1 {
  font-size: clamp(3rem, 6vw, 6rem);
  margin-bottom: 16px;
}

.legal-hero p {
  color: #bfd0d4;
  margin-bottom: 0;
}

.legal-copy {
  max-width: 860px;
  padding-block: 80px 110px;
}

.legal-copy h2 {
  font-size: 1.7rem;
  margin-top: 48px;
}

.legal-copy p {
  color: var(--ink-soft);
}

.legal-updated {
  color: var(--aqua-dark) !important;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.thank-you-page {
  align-items: center;
  background: var(--mist);
  display: flex;
  justify-content: center;
  min-height: 70vh;
  padding: 80px 24px;
  text-align: center;
}

.thank-you-page section {
  max-width: 760px;
}

.thank-you-page h1 {
  font-size: clamp(2.8rem, 5vw, 5.2rem);
}

.thank-you-page p {
  color: var(--muted);
  font-size: 1.1rem;
}

.thank-you-page .hero-actions {
  justify-content: center;
}

.success-mark {
  align-items: center;
  background: var(--aqua);
  border-radius: 50%;
  display: flex;
  font-size: 1.5rem;
  font-weight: 900;
  height: 58px;
  justify-content: center;
  margin: 0 auto 24px;
  width: 58px;
}

.site-footer {
  background: #04111a;
  color: #fff;
  padding-top: 78px;
}

.site-footer .brand-copy strong {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 55px;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
  padding-bottom: 65px;
}

.footer-grid h2 {
  color: var(--aqua);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.footer-grid > div:not(.footer-lead) > a:not(.text-link) {
  color: #aebfc4;
  display: block;
  font-size: 0.82rem;
  margin: 9px 0;
}

.footer-grid > div:not(.footer-lead) > a:hover {
  color: #fff;
}

.footer-grid p {
  color: #93a9af;
  font-size: 0.85rem;
}

.footer-lead > p {
  max-width: 380px;
  margin-top: 25px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  gap: 4px;
}

.site-footer .text-link {
  color: var(--aqua);
}

.footer-bottom {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #6f878e;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.72rem;
  gap: 20px;
  justify-content: space-between;
  min-height: 66px;
}

.mobile-call {
  display: none;
}

.enquiry-modal {
  align-items: center;
  display: none;
  inset: 0;
  justify-content: center;
  padding: 24px;
  position: fixed;
  z-index: 500;
}

.enquiry-modal.is-open {
  display: flex;
}

.modal-backdrop {
  background: rgba(2, 10, 16, 0.76);
  inset: 0;
  position: absolute;
}

.modal-card {
  background:
    radial-gradient(circle at 90% 10%, var(--aqua-pale), transparent 35%),
    #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.38);
  max-width: 620px;
  padding: clamp(32px, 5vw, 55px);
  position: relative;
  width: 100%;
  z-index: 1;
}

.modal-card h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

.modal-card p {
  color: var(--muted);
}

.modal-close {
  align-items: center;
  background: var(--mist);
  border: 0;
  border-radius: 50%;
  display: flex;
  font-size: 1.5rem;
  height: 38px;
  justify-content: center;
  position: absolute;
  right: 18px;
  top: 18px;
  width: 38px;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

@media (max-width: 1080px) {
  .header-cta {
    display: none;
  }

  .hero-grid {
    gap: 35px;
    grid-template-columns: 1fr 300px;
  }

  .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-card-large {
    grid-column: span 1;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid:has(> article:nth-child(5)) {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid article {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .dark-cta-grid {
    grid-template-columns: 1fr 0.8fr;
  }

  .dark-cta-grid .button {
    justify-self: start;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .footer-grid > div:last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 880px) {
  .container {
    width: min(calc(100% - 34px), var(--container));
  }

  .topbar-inner > span:first-child {
    display: none;
  }

  .topbar-inner {
    justify-content: center;
  }

  .topbar-contact {
    gap: 16px;
  }

  .header-inner {
    height: 76px;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .site-header .primary-nav {
    align-items: stretch;
    background: #fff;
    display: none;
    flex-direction: column;
    gap: 4px;
    left: 0;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 18px 18px 30px;
    position: absolute;
    right: 0;
    top: 76px;
  }

  .site-header.menu-active .primary-nav {
    display: flex;
  }

  .primary-nav > a,
  .nav-dropdown > summary {
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: 1rem;
    justify-content: space-between;
    min-height: 54px;
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-panel,
  .dropdown-wide {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    grid-template-columns: 1fr;
    min-width: 0;
    padding: 5px 12px 15px;
    position: static;
  }

  .subhero,
  .subhero-inner {
    height: auto;
    min-height: 700px;
  }

  .home-hero {
    background-position: 60% center;
    height: auto;
    min-height: calc(100svh - 110px);
  }

  .hero-grid {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: clamp(48px, 8svh, 70px) clamp(62px, 9svh, 80px);
  }

  .hero-copy {
    max-width: 700px;
  }

  .hero-copy h1 {
    font-size: clamp(3.25rem, 10vw, 5.7rem);
  }

  .hero-panel {
    display: none;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-grid > div {
    border-bottom: 1px solid rgba(7, 23, 36, 0.16);
    min-height: 76px;
  }

  .intro-layout,
  .control-grid,
  .outcomes-grid,
  .faq-layout,
  .split-layout,
  .integration-layout,
  .contact-hero-grid,
  .contact-layout,
  .next-step-grid {
    grid-template-columns: 1fr;
  }

  .control-grid,
  .integration-layout {
    gap: 55px;
  }

  .control-image,
  .integration-visual {
    min-height: 470px;
  }

  .outcomes-grid {
    gap: 45px;
  }

  .faq-layout {
    gap: 40px;
  }

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

  .proof-grid > div {
    border-bottom: 1px solid rgba(7, 23, 36, 0.16);
    border-right: 1px solid rgba(7, 23, 36, 0.16);
    min-height: 70px;
  }

  .project-card {
    position: static;
  }

  .dark-cta-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-band-inner {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .contact-direct {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-left: 0;
    padding-top: 26px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid > div:last-child {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: 52px;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .topbar-contact {
    font-size: 0.67rem;
  }

  .header-inner {
    height: 70px;
  }

  .site-header .primary-nav {
    top: 70px;
  }

  .brand-mark {
    border-radius: 10px;
    height: 40px;
    width: 40px;
  }

  .brand-copy strong {
    font-size: 0.8rem;
  }

  .brand-copy span {
    font-size: 0.59rem;
  }

  .home-hero {
    background-image:
      linear-gradient(90deg, rgba(3, 15, 24, 0.95), rgba(3, 15, 24, 0.67)),
      var(--hero-image);
    background-position: 65% center;
    min-height: calc(100svh - 104px);
  }

  .hero-grid {
    padding-block: 42px 58px;
  }

  .hero-copy h1 {
    font-size: clamp(2.75rem, 13vw, 4.2rem);
    margin-bottom: 20px;
  }

  .hero-copy h1 span {
    font-size: 0.5em;
    margin-top: 8px;
  }

  .hero-copy > p {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 24px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-checks {
    display: grid;
    gap: 8px;
    margin-top: 24px;
  }

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

  .capability-grid > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    min-height: 88px;
    padding: 14px 12px;
  }

  .section {
    padding-block: 74px;
  }

  .intro-layout {
    gap: 30px;
  }

  .system-grid,
  .feature-grid,
  .related-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid:has(> article:nth-child(5)) {
    grid-template-columns: 1fr;
  }

  .system-card {
    min-height: 420px;
  }

  .process-grid article {
    min-height: 0;
    padding: 28px 22px;
  }

  .process-grid article > span {
    margin-bottom: 30px;
  }

  .control-image,
  .integration-visual {
    min-height: 390px;
  }

  .subhero,
  .subhero-inner {
    min-height: 650px;
  }

  .subhero {
    background-image:
      linear-gradient(90deg, rgba(3, 16, 25, 0.95), rgba(3, 16, 25, 0.6)),
      var(--hero-image);
  }

  .subhero h1 {
    font-size: clamp(3rem, 13vw, 4.5rem);
  }

  .breadcrumbs {
    margin-bottom: 32px;
  }

  .feature-card {
    min-height: 0;
  }

  .feature-number {
    margin-bottom: 34px;
  }

  .project-card {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-band-actions {
    width: 100%;
  }

  .contact-band-actions .button {
    width: 100%;
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    justify-content: center;
    padding-block: 20px;
  }

  .mobile-call {
    align-items: center;
    background: var(--aqua);
    bottom: 0;
    color: var(--navy);
    display: flex;
    font-size: 0.85rem;
    font-weight: 850;
    height: 52px;
    justify-content: center;
    left: 0;
    position: fixed;
    right: 0;
    z-index: 150;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}


/* SEO guide components */
.answer-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:clamp(28px,5vw,72px);align-items:start}.answer-box{background:#eaf6f5;border-left:5px solid #19b9b4;border-radius:0 22px 22px 0;padding:clamp(28px,5vw,54px)}.answer-box h2{font-size:clamp(1.75rem,3vw,2.65rem);margin:.5rem 0 1rem}.answer-box p{font-size:1.08rem;line-height:1.75;margin:0 0 1rem}.table-wrap{overflow-x:auto;border:1px solid rgba(7,23,36,.12);border-radius:18px;box-shadow:0 16px 45px rgba(7,23,36,.07)}.comparison-table{border-collapse:collapse;width:100%;min-width:720px;background:#fff}.comparison-table th,.comparison-table td{padding:18px 20px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(7,23,36,.1)}.comparison-table th{background:#071724;color:#fff;font-size:.86rem;letter-spacing:.04em;text-transform:uppercase}.comparison-table tr:last-child td{border-bottom:0}.comparison-table td:first-child{font-weight:750;color:#0b5e5c}.resource-card{display:block;color:inherit;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.resource-card:hover,.resource-card:focus-visible{transform:translateY(-4px);box-shadow:0 18px 48px rgba(7,23,36,.12)}.resource-card strong{color:#0b7774;display:block;margin-top:1rem}.resource-section{content-visibility:auto;contain-intrinsic-size:900px}.faq-list details[open] summary{color:#0b7774}@media(max-width:820px){.answer-layout{grid-template-columns:1fr}.comparison-table th,.comparison-table td{padding:15px}}

.source-note {
  background: #f1f5f4;
  border-left: 4px solid var(--aqua-dark);
  border-radius: 0 16px 16px 0;
  color: var(--ink-soft);
  line-height: 1.7;
  margin: 24px 0 38px;
  padding: 20px 24px;
}

/* Knowledge centre, expert attribution and calculator */
.knowledge-hero {
  align-items: center;
  background-image: linear-gradient(90deg, rgba(3, 16, 25, .96), rgba(3, 16, 25, .66)), url("images/hero-checkweigher.webp");
  background-position: center;
  background-size: cover;
  color: #fff;
  display: flex;
  min-height: 560px;
}

.knowledge-hero-inner {
  max-width: 920px;
  padding-block: 82px 88px;
}

.knowledge-hero h1 {
  color: #fff;
  font-size: clamp(3rem, 6.6vw, 6.1rem);
  letter-spacing: -.055em;
  line-height: .94;
  margin: 18px 0 24px;
  max-width: 980px;
}

.knowledge-hero p {
  color: rgba(255, 255, 255, .88);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.7;
  max-width: 790px;
}

.knowledge-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 58px;
}

.knowledge-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--navy);
  display: block;
  min-height: 260px;
  padding: 34px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.knowledge-card:hover,
.knowledge-card:focus-visible {
  border-color: var(--aqua);
  box-shadow: 0 18px 48px rgba(7, 23, 36, .1);
  transform: translateY(-4px);
}

.knowledge-card > span {
  color: var(--aqua-dark);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .12em;
}

.knowledge-card h2 {
  font-size: clamp(1.45rem, 2.1vw, 2rem);
  margin: 24px 0 12px;
}

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

.knowledge-card strong {
  display: block;
  margin-top: 24px;
}

.article-intro {
  background: #f7fafb;
}

.article-layout {
  align-items: start;
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.article-main {
  min-width: 0;
}

.article-main .answer-box {
  background: var(--navy);
  border-left: 5px solid var(--aqua);
  border-radius: 16px;
  color: #fff;
  margin-bottom: 54px;
  padding: 30px 32px;
}

.article-main .answer-box span {
  color: var(--aqua);
  display: block;
  font-size: .73rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.article-main .answer-box p {
  color: #fff;
  font-size: 1.18rem;
  line-height: 1.75;
  margin: 10px 0 0;
}

.article-section {
  border-bottom: 1px solid var(--line);
  margin: 0 0 42px;
  padding: 0 0 42px;
  scroll-margin-top: 120px;
}

.article-section h2 {
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  letter-spacing: -.035em;
  line-height: 1.08;
  margin: 0 0 18px;
}

.article-section > p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 790px;
}

.toc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(7, 23, 36, .08);
  display: grid;
  padding: 24px;
  position: sticky;
  top: 110px;
}

.toc-card > span {
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .13em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.toc-card > a:not(.button) {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.35;
  padding: 11px 0;
}

.toc-card .button {
  margin-top: 20px;
}

.seo-checklist {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
}

.seo-checklist li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--navy);
  font-weight: 720;
  padding: 15px 16px 15px 44px;
  position: relative;
}

.seo-checklist li::before {
  color: var(--aqua-dark);
  content: "✓";
  font-weight: 950;
  left: 17px;
  position: absolute;
}

.source-note {
  background: #e9f8f7;
  border: 1px solid rgba(22, 190, 181, .35);
  border-radius: 14px;
  margin-bottom: 44px;
  padding: 28px;
}

.source-note h2 {
  font-size: 1.35rem;
  margin: 0 0 10px;
}

.source-note p {
  line-height: 1.7;
}

.source-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.resource-links {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
}

.resource-links-four {
  grid-template-columns: repeat(4, 1fr);
}

.resource-links > a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--navy);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 145px;
  padding: 24px;
  transition: border-color .2s ease, transform .2s ease;
}

.resource-links > a:hover,
.resource-links > a:focus-visible {
  border-color: var(--aqua);
  transform: translateY(-3px);
}

.resource-links span {
  color: var(--aqua-dark);
  font-size: .85rem;
  font-weight: 800;
}

.guide-meta {
  background: #f3f7f8;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
  padding: 14px 0;
}

.guide-meta .container {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.guide-meta strong {
  color: var(--navy);
}

.calculator-grid {
  align-items: start;
  display: grid;
  gap: clamp(28px, 5vw, 70px);
  grid-template-columns: minmax(0, 1fr) minmax(320px, .86fr);
}

.calculator-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 22px 60px rgba(7, 23, 36, .09);
  padding: clamp(26px, 4vw, 42px);
}

.calculator-fields {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 26px;
}

.calculator-fields label {
  color: var(--navy);
  display: grid;
  font-size: .9rem;
  font-weight: 760;
  gap: 7px;
}

.calculator-fields input {
  background: #f7fafb;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--navy);
  font: inherit;
  padding: 13px 14px;
  width: 100%;
}

.calculator-fields input:focus {
  border-color: var(--aqua-dark);
  outline: 3px solid rgba(25, 185, 180, .16);
}

.calculator-result {
  background: var(--navy);
  border-radius: 18px;
  color: #fff;
  display: grid;
  gap: 20px;
  padding: clamp(28px, 4vw, 44px);
}

.calculator-result span {
  color: #bcd0d5;
  display: block;
  font-size: .85rem;
  margin-bottom: 5px;
}

.calculator-result output {
  color: var(--aqua);
  display: block;
  font-size: clamp(2rem, 4.4vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 1;
}

.calculator-result p {
  color: #d8e4e7;
  line-height: 1.7;
  margin: 0;
}

.calculator-note {
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.6;
  margin-top: 18px;
}

@media (max-width: 880px) {
  .article-layout,
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
  }

  .knowledge-grid,
  .resource-links,
  .resource-links-four {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .knowledge-hero {
    min-height: 620px;
  }

  .knowledge-hero-inner {
    padding-block: 68px 78px;
  }

  .knowledge-hero h1 {
    font-size: clamp(3rem, 14vw, 4.55rem);
  }

  .knowledge-grid,
  .resource-links,
  .resource-links-four,
  .seo-checklist,
  .calculator-fields {
    grid-template-columns: 1fr;
  }

  .knowledge-card {
    min-height: 0;
    padding: 27px;
  }

  .article-main .answer-box {
    padding: 25px 22px;
  }
}

/* Tolerable negative error calculator */
.tne-calculator-grid {
  margin-top: 34px;
}

.tne-field-row {
  align-items: end;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.55fr) minmax(180px, .7fr);
  margin-top: 28px;
}

.tne-field-row label {
  color: var(--navy);
  display: grid;
  font-size: .9rem;
  font-weight: 780;
  gap: 8px;
}

.tne-field-row input,
.tne-field-row select {
  appearance: none;
  background: #f7fafb;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--navy);
  font: inherit;
  min-height: 50px;
  padding: 13px 14px;
  width: 100%;
}

.tne-field-row select {
  background-image: linear-gradient(45deg, transparent 50%, #38505a 50%), linear-gradient(135deg, #38505a 50%, transparent 50%);
  background-position: calc(100% - 18px) 21px, calc(100% - 13px) 21px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  padding-right: 38px;
}

.tne-field-row input:focus,
.tne-field-row select:focus {
  border-color: var(--aqua-dark);
  outline: 3px solid rgba(25, 185, 180, .18);
}

.tne-validation-message {
  color: #455c66;
  font-size: .88rem;
  font-weight: 650;
  line-height: 1.5;
  margin: 12px 0 0;
  min-height: 1.4em;
}

.tne-validation-message.is-error {
  color: #8c291f;
  font-weight: 800;
}

.tne-calculator-result {
  align-content: start;
}

.tne-result-lead {
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  padding-bottom: 22px;
}

.tne-threshold-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tne-threshold-grid > div {
  background: rgba(255, 255, 255, .075);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  padding: 18px;
}

.tne-threshold-grid output {
  font-size: clamp(1.45rem, 2.8vw, 2.25rem);
  letter-spacing: -.025em;
  line-height: 1.1;
}

.tne-band-summary {
  background: #e8f7f6;
  border-radius: 12px;
  color: var(--navy);
  display: grid;
  gap: 7px;
  padding: 19px 20px;
}

.tne-band-summary span {
  color: #38545c;
  margin: 0;
}

.tne-band-summary strong {
  font-size: 1.05rem;
  line-height: 1.4;
}

.tne-band-summary small {
  color: #3f5961;
  font-size: .84rem;
  line-height: 1.55;
}

.tne-disclaimer {
  background: #fff5d8;
  border: 1px solid #d69b32;
  border-left: 5px solid #a96100;
  border-radius: 4px 14px 14px 4px;
  color: #493408;
  margin-top: 34px;
  padding: clamp(22px, 4vw, 32px);
}

.tne-disclaimer strong {
  display: block;
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.tne-disclaimer p {
  line-height: 1.72;
  margin: 0;
}

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

.tne-source-list li {
  padding-left: 26px;
  position: relative;
}

.tne-source-list li::before {
  color: var(--aqua-dark);
  content: "↗";
  font-weight: 900;
  left: 0;
  position: absolute;
}

.tne-source-list a {
  color: var(--navy);
  font-weight: 750;
}

@media (max-width: 700px) {
  .tne-field-row,
  .tne-threshold-grid {
    grid-template-columns: 1fr;
  }
}