:root {
  /* Add approved self-hosted @font-face files here if the team licenses Anthropic Sans/Serif or final IndustryOS brand fonts. */
  --font-sans: "Anthropic Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Anthropic Serif", Georgia, "Times New Roman", serif;
  --color-ink: #141413;
  --color-graphite: #1f1e1d;
  --color-muted: #67645d;
  --color-line: #ddd6c9;
  --color-panel: #faf7ef;
  --color-panel-strong: #f4eddf;
  --color-logo-panel: #ffffff;
  --color-page: #faf7ef;
  --color-blue: #1c3555;
  --color-primary: #141413;
  --color-primary-dark: #0b0b0a;
  --color-primary-soft: #f0eee6;
  --color-steel: #efeee8;
  --color-claude-orange: #d97757;
  --color-accent: #a94f36;
  --color-accent-dark: #8f452f;
  --color-accent-soft: #f7e7df;
  --color-green: #526b4f;
  --radius: 8px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.55;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(169, 79, 54, 0.42);
  outline-offset: 3px;
}

.skip-link {
  background: var(--color-ink);
  color: #ffffff;
  left: 1rem;
  padding: 0.65rem 1rem;
  position: fixed;
  top: 1rem;
  transform: translateY(-160%);
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  background: rgba(250, 249, 245, 0.9);
  border-bottom: 1px solid rgba(216, 214, 204, 0.92);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
}

.nav-shell,
.section-inner {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  align-items: center;
  display: inline-flex;
  text-decoration: none;
}

.brand-logo-link {
  flex: 0 0 auto;
}

.brand-logo-image {
  height: auto;
  max-height: 58px;
  object-fit: contain;
  width: min(260px, 52vw);
}

.footer-brand .brand-logo-image {
  width: min(230px, 58vw);
}

.nav-actions {
  align-items: center;
  display: flex;
  gap: 0.9rem;
}

.nav-link {
  color: var(--color-muted);
  font-size: 0.93rem;
  font-weight: 700;
  text-decoration: none;
}

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

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  line-height: 1.2;
  min-height: 48px;
  padding: 0.9rem 1.15rem;
  text-align: center;
  text-decoration: none;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: none;
}

.button-primary {
  background: var(--color-accent);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--color-accent-dark);
  color: #ffffff;
}

.button-secondary {
  background: var(--color-panel);
  border-color: rgba(20, 20, 19, 0.2);
  color: var(--color-primary);
}

.button-secondary:hover {
  border-color: var(--color-accent);
}

.button-ghost {
  background: transparent;
  border-color: rgba(20, 20, 19, 0.22);
  color: var(--color-primary);
}

.button-ghost:hover {
  background: var(--color-panel);
  border-color: rgba(20, 20, 19, 0.42);
}

.button.compact {
  font-size: 0.86rem;
  min-height: 42px;
  padding: 0.72rem 0.9rem;
}

.section-pad {
  padding: 88px 0;
}

.hero {
  background:
    linear-gradient(90deg, rgba(250, 247, 239, 0.98), rgba(250, 247, 239, 0.95)),
    repeating-linear-gradient(
      90deg,
      rgba(20, 20, 19, 0.045) 0,
      rgba(20, 20, 19, 0.045) 1px,
      transparent 1px,
      transparent 34px
    );
  min-height: calc(100svh - 76px);
  display: flex;
  align-items: center;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.88fr);
}

.eyebrow {
  color: var(--color-accent-dark);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--color-graphite);
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.02;
}

h1 {
  font-size: clamp(3.1rem, 9vw, 6.7rem);
  margin-bottom: 1.15rem;
  max-width: 780px;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  margin-bottom: 1rem;
  max-width: 850px;
}

h3 {
  font-size: 1.22rem;
  margin-bottom: 0.7rem;
}

p {
  color: var(--color-muted);
  font-size: 1.02rem;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 720px;
}

.hero-subhead {
  color: var(--color-graphite);
  font-size: clamp(1.28rem, 3vw, 2rem);
  line-height: 1.25;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-visual {
  min-height: 460px;
}

.flow-panel {
  background: var(--color-panel-strong);
  border: 1px solid rgba(20, 20, 19, 0.14);
  border-radius: 8px;
  display: grid;
  gap: 1rem;
  grid-template-areas:
    "machine core operators"
    "quality core maintenance"
    "logistics core output";
  grid-template-columns: minmax(96px, 1fr) minmax(150px, 1.25fr) minmax(96px, 1fr);
  grid-template-rows: repeat(3, minmax(96px, 1fr));
  min-height: 460px;
  overflow: hidden;
  padding: 1.75rem;
  position: relative;
}

.flow-panel::before {
  background:
    linear-gradient(90deg, transparent 49%, rgba(20, 20, 19, 0.1) 50%, transparent 51%),
    linear-gradient(0deg, transparent 49%, rgba(20, 20, 19, 0.1) 50%, transparent 51%);
  background-size: 62px 62px;
  content: "";
  inset: 0;
  opacity: 0.65;
  position: absolute;
}

.flow-node,
.flow-core,
.flow-output {
  position: relative;
  z-index: 1;
}

.flow-node {
  background: var(--color-page);
  border: 1px solid rgba(20, 20, 19, 0.14);
  border-left: 5px solid var(--color-accent);
  border-radius: 8px;
  color: var(--color-graphite);
  font-size: 0.93rem;
  font-weight: 800;
  padding: 0.8rem 0.9rem;
}

.node-machine {
  grid-area: machine;
}

.node-operators {
  grid-area: operators;
}

.node-quality {
  grid-area: quality;
}

.node-maintenance {
  grid-area: maintenance;
}

.node-logistics {
  grid-area: logistics;
}

.flow-core {
  align-items: center;
  background: var(--color-graphite);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  grid-area: core;
  justify-content: center;
  min-height: 116px;
  padding: 1rem;
  text-align: center;
  width: 100%;
}

.flow-core span {
  color: #ffd9c6;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.flow-core strong {
  font-size: 1.2rem;
  line-height: 1.18;
}

.flow-output {
  background: var(--color-primary);
  border-radius: 8px;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 800;
  grid-area: output;
  line-height: 1.45;
  padding: 0.85rem 1rem;
}

.problem-section,
.assessment-section {
  background: var(--color-page);
}

.split-layout {
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
}

.problem-copy {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.35rem;
}

.problem-copy p {
  color: var(--color-graphite);
  margin-bottom: 0.72rem;
}

.section-heading {
  margin-bottom: 2.2rem;
}

.section-heading.narrow {
  max-width: 850px;
}

.transformation-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.transform-item {
  align-items: center;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: var(--color-graphite);
  display: flex;
  font-weight: 800;
  min-height: 92px;
  padding: 1rem;
}

.transform-item:nth-child(3n + 1) {
  border-top: 4px solid var(--color-accent);
}

.transform-item:nth-child(3n + 2) {
  border-top: 4px solid var(--color-primary);
}

.transform-item:nth-child(3n) {
  border-top: 4px solid var(--color-accent);
}

.closing-line {
  color: var(--color-graphite);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 900;
  margin: 2.3rem 0 0;
  max-width: 790px;
}

.use-cases-section {
  background: var(--color-page);
}

.use-cases-section h2,
.use-cases-section h3 {
  color: var(--color-graphite);
}

.use-cases-section p {
  color: var(--color-muted);
}

.use-cases-section .eyebrow {
  color: var(--color-accent-dark);
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.use-case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  border-radius: 8px;
  padding: 1.25rem;
}

.use-card {
  background: var(--color-panel-strong);
  border: 1px solid var(--color-line);
  min-height: 240px;
}

.card-index {
  color: var(--color-accent-dark);
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 900;
  margin-bottom: 2.3rem;
}

.assessment-grid {
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
}

.assessment-list-wrap {
  background: var(--color-panel-strong);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 1.6rem;
}

.assessment-list-wrap > p {
  color: var(--color-graphite);
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 0.72rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
}

.check-list li {
  color: var(--color-graphite);
  min-height: 28px;
  padding-left: 1.65rem;
  position: relative;
}

.check-list li::before {
  background: var(--color-green);
  border-radius: 50%;
  content: "";
  height: 8px;
  left: 0.35rem;
  position: absolute;
  top: 0.55rem;
  width: 8px;
}

.ecosystem-section {
  background: var(--color-page);
}

.ecosystem-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ecosystem-card {
  background: var(--color-panel-strong);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 312px;
  padding: 1.2rem;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease;
}

.ecosystem-card:hover {
  border-color: rgba(169, 79, 54, 0.46);
  transform: none;
}

.logo-frame {
  align-items: center;
  background: var(--color-logo-panel);
  border: 1px solid rgba(20, 20, 19, 0.12);
  border-radius: 8px;
  display: flex;
  height: 92px;
  justify-content: center;
  margin-bottom: 1.2rem;
  overflow: hidden;
  padding: 1rem;
  position: relative;
}

.logo-frame img {
  max-height: 58px;
  object-fit: contain;
  position: relative;
  width: min(100%, 220px);
  z-index: 2;
}

.logo-fallback {
  color: var(--color-graphite);
  display: none;
  font-size: 1rem;
  font-weight: 900;
  left: 50%;
  position: absolute;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 2rem);
  z-index: 1;
}

.logo-card--fallback .logo-frame img {
  display: none;
}

.logo-card--fallback .logo-fallback {
  display: block;
}

.ecosystem-name {
  color: var(--color-graphite);
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.ecosystem-role {
  color: var(--color-muted);
  display: block;
  flex: 1;
}

.text-link {
  color: var(--color-accent);
  font-weight: 900;
  margin-top: 1rem;
}

.lead-section {
  background: var(--color-page);
  color: var(--color-ink);
}

.lead-grid {
  align-items: start;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.82fr) minmax(390px, 1fr);
}

.lead-section h2,
.lead-section .lead-subhead {
  color: var(--color-graphite);
}

.lead-section p {
  color: var(--color-muted);
}

.lead-section .eyebrow {
  color: var(--color-accent-dark);
}

.lead-copy .button {
  margin-top: 1rem;
}

.lead-form {
  background: var(--color-panel-strong);
  border-radius: 8px;
  border: 1px solid var(--color-line);
  padding: 1.35rem;
}

.privacy-notice {
  background: var(--color-primary-soft);
  border: 1px solid rgba(20, 20, 19, 0.12);
  border-left: 4px solid var(--color-accent);
  border-radius: 8px;
  margin-top: 1rem;
  padding: 1rem;
}

.privacy-notice strong {
  color: var(--color-graphite);
  display: block;
  font-size: 0.96rem;
  margin-bottom: 0.5rem;
}

.privacy-notice p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 0.55rem;
}

.privacy-notice p:last-child {
  margin-bottom: 0;
}

.consent-field {
  align-items: start;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: auto 1fr;
  margin-top: 1rem;
}

.consent-field input[type="checkbox"] {
  accent-color: var(--color-accent);
  height: 1.15rem;
  margin: 0.15rem 0 0;
  min-height: auto;
  padding: 0;
  width: 1.15rem;
}

.consent-field label {
  color: var(--color-graphite);
  font-size: 0.9rem;
  line-height: 1.45;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
}

.field-full {
  grid-column: 1 / -1;
}

label {
  color: var(--color-graphite);
  font-size: 0.88rem;
  font-weight: 800;
}

input,
select,
textarea {
  background: #fffcf7;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: var(--color-ink);
  font: inherit;
  min-height: 48px;
  padding: 0.82rem 0.9rem;
  width: 100%;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent);
  outline: 3px solid rgba(169, 79, 54, 0.24);
  outline-offset: 1px;
}

.form-button {
  margin-top: 1.15rem;
  width: 100%;
}

.form-status {
  background: var(--color-primary-soft);
  border-radius: 8px;
  color: var(--color-graphite);
  font-size: 0.92rem;
  margin: 1rem 0 0;
  padding: 0.9rem;
}

.form-status[data-tone="success"] {
  background: #e6f4ea;
  color: #1b5e20;
}

.form-status[data-tone="error"] {
  background: #fdecea;
  color: #b71c1c;
}

.site-footer {
  background: var(--color-page);
  border-top: 1px solid var(--color-line);
  padding: 34px 0;
}

.footer-grid {
  align-items: center;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
}

.footer-links {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.72rem;
  justify-content: flex-end;
  min-width: 0;
  white-space: nowrap;
}

.footer-links a {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.footer-links a + a::before {
  color: var(--color-line);
  content: "|";
  margin-right: 0.72rem;
}

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

.privacy-hero {
  background: var(--color-page);
}

.privacy-layout {
  align-items: start;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.9fr);
}

.privacy-meta {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 1.35rem;
  position: sticky;
  top: 104px;
}

.privacy-meta h1 {
  font-size: clamp(2.4rem, 5vw, 4.3rem);
}

.privacy-meta dl {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
}

.privacy-meta dt {
  color: var(--color-accent-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.privacy-meta dd {
  color: var(--color-graphite);
  margin: 0.2rem 0 0;
}

.privacy-content {
  display: grid;
  gap: 1rem;
}

.privacy-content section {
  background: var(--color-panel-strong);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 1.35rem;
}

.privacy-content h2 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  margin-bottom: 0.9rem;
}

.privacy-content ul {
  color: var(--color-graphite);
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.privacy-content li {
  margin-bottom: 0.4rem;
}

@media (max-width: 1024px) {
  .nav-shell {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .nav-actions {
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .split-layout,
  .assessment-grid,
  .lead-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 420px;
  }

  .flow-panel {
    min-height: 420px;
    padding: 1.25rem;
  }

  .transformation-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .use-case-grid,
  .ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-links {
    flex-wrap: wrap;
    justify-content: flex-start;
    white-space: normal;
  }

  .privacy-layout {
    grid-template-columns: 1fr;
  }

  .privacy-meta {
    position: static;
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .section-inner {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .nav-actions,
  .nav-actions .button {
    align-items: stretch;
    width: 100%;
  }

  .nav-link {
    padding: 0.2rem 0;
  }

  .section-pad {
    padding: 64px 0;
  }

  h1 {
    font-size: clamp(2.75rem, 16vw, 4.35rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .cta-row,
  .cta-row .button,
  .lead-copy .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 500px;
  }

  .flow-panel {
    grid-template-areas:
      "machine operators"
      "quality maintenance"
      "core core"
      "logistics output";
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
    min-height: 500px;
  }

  .flow-node {
    font-size: 0.82rem;
    padding: 0.68rem 0.72rem;
  }

  .flow-core {
    min-height: 110px;
  }

  .problem-copy {
    padding-left: 1rem;
  }

  .transformation-grid,
  .use-case-grid,
  .ecosystem-grid,
  .check-list,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .use-card {
    min-height: auto;
  }

  .card-index {
    margin-bottom: 1.3rem;
  }

  .lead-form {
    padding: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}