:root {
  color-scheme: light;
  --paper: #f7f4ee;
  --surface: #fffdf8;
  --ink: #202124;
  --muted: #65645f;
  --line: #d9d3c8;
  --line-strong: #bcb4a6;
  --accent: #2f6f7f;
  --accent-dark: #184d5b;
  --orange: #b76528;
  --ok: #28764f;
  --bad: #a83f32;
  --idle: #b87922;
  --blue: #446f9b;
  --shadow: 0 20px 60px rgba(32, 33, 36, 0.09);
  --mono: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background:
    linear-gradient(rgba(32, 33, 36, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 33, 36, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  color: var(--ink);
  line-height: 1.55;
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: .7rem 1rem;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(217, 211, 200, 0.8);
  background: rgba(247, 244, 238, 0.92);
  backdrop-filter: blur(14px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 720;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--ink);
  background: var(--surface);
  font-family: var(--mono);
  font-size: .78rem;
  white-space: nowrap;
  overflow: hidden;
}

.brand-mark span {
  color: var(--accent);
}

.nav,
.footer nav,
.header-actions {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.nav a,
.footer nav a {
  padding: .7rem .8rem;
  color: var(--muted);
  font-size: .95rem;
}

.nav a:hover,
.footer nav a:hover,
.text-link:hover {
  color: var(--accent-dark);
}

.header-actions {
  gap: .65rem;
}

.lang-toggle,
.icon-link {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.icon-link svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .76rem 1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
  font-weight: 650;
  cursor: pointer;
}

.button-secondary,
.button-small {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}

.button-small {
  min-height: 38px;
  padding: .55rem .78rem;
  font-size: .9rem;
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 540px);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding-bottom: 5rem;
}

.eyebrow,
.project-category {
  margin: 0 0 .9rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: 0;
  color: var(--accent-dark);
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  letter-spacing: 0;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

.lead {
  max-width: 710px;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
}

.hero-actions {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.hero-visual,
.project-visual,
.case-visual {
  min-width: 0;
}

.system-diagram,
.mock-window,
.pipeline,
.phone,
.tools-map {
  border: 1px solid var(--line-strong);
  background: rgba(255, 253, 248, .82);
  box-shadow: var(--shadow);
}

.system-diagram {
  display: grid;
  gap: .7rem;
  padding: 1.15rem;
}

.diagram-node {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.diagram-node span,
code,
th,
.machine-card small {
  font-family: var(--mono);
  font-size: .78rem;
}

.diagram-node code {
  color: var(--accent-dark);
}

.diagram-line {
  width: 1px;
  height: 18px;
  margin-left: 1.2rem;
  background: var(--line-strong);
}

.section-heading {
  display: grid;
  grid-template-columns: .9fr 1.3fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading.compact {
  display: block;
  max-width: 760px;
}

.project-list {
  display: grid;
  gap: 1.1rem;
}

.project-preview {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(380px, 1.18fr);
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, .72);
}

.project-preview-reverse .project-copy {
  order: 2;
}

.project-copy p:not(.project-category) {
  color: var(--muted);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: 0;
  margin: 1.2rem 0;
  list-style: none;
}

.pill-list li {
  border: 1px solid var(--line);
  padding: .38rem .55rem;
  background: var(--surface);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .76rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--accent-dark);
  font-weight: 700;
}

.text-link::after {
  content: "->";
  margin-left: .45rem;
  font-family: var(--mono);
}

.mock-window {
  overflow: hidden;
}

.mock-top {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 42px;
  padding: 0 .85rem;
  border-bottom: 1px solid var(--line);
  background: #eeebe4;
}

.mock-top span {
  width: 34px;
  height: 10px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(90deg, var(--bad) 0 30%, var(--idle) 30% 63%, var(--ok) 63%);
}

.mock-top strong {
  font-family: var(--mono);
  font-size: .82rem;
}

.measurement-summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem;
  border-bottom: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: .72rem .55rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

td {
  font-family: var(--mono);
  font-size: .82rem;
}

td.ok {
  color: var(--ok);
  font-weight: 800;
}

td.nok {
  color: var(--bad);
  font-weight: 800;
}

.machine-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  padding: .9rem;
}

.machine-card {
  border: 1px solid var(--line);
  padding: .85rem;
  background: var(--surface);
}

.machine-card div {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.machine-card p {
  margin: .8rem 0 .15rem;
  font-family: var(--mono);
  font-weight: 800;
}

.led {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 20%, transparent);
}

.green { color: var(--ok); }
.orange { color: var(--idle); }
.red { color: var(--bad); }
.blue { color: var(--blue); }

.timeline {
  display: grid;
  grid-template-columns: 2fr 1.2fr .8fr .45fr 1fr 1.7fr;
  gap: 4px;
  padding: 0 .9rem .9rem;
}

.timeline span {
  height: 12px;
  background: currentColor;
}

.pipeline {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  padding: 1rem;
}

.pipeline div,
.tools-map div {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: .75rem;
  font-family: var(--mono);
  font-size: .82rem;
}

.pipeline span {
  width: 24px;
  height: 1px;
  background: var(--line-strong);
}

.pipeline code {
  flex-basis: 100%;
  margin-top: .8rem;
  padding: .8rem;
  border-left: 3px solid var(--accent);
  background: #eeebe4;
  white-space: normal;
}

.phone {
  width: min(280px, 100%);
  margin: 0 auto;
  padding: .9rem;
  border-radius: 26px;
}

.phone-bar {
  width: 72px;
  height: 6px;
  margin: 0 auto .9rem;
  border-radius: 10px;
  background: var(--line-strong);
}

.scanner {
  display: grid;
  place-items: center;
  min-height: 160px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, #202124 0 3px, transparent 3px 8px),
    #fbfaf5;
  background-size: 150px 54px;
  background-position: center;
  background-repeat: no-repeat;
}

.scanner span {
  width: 82%;
  height: 1px;
  background: var(--bad);
}

.scanner b {
  margin-top: .7rem;
  font-family: var(--mono);
  font-size: .8rem;
  background: var(--surface);
  padding: .15rem .3rem;
}

.phone dl {
  display: grid;
  gap: .45rem;
}

.phone dl div {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
  border-bottom: 1px solid var(--line);
}

.phone dt {
  color: var(--muted);
}

.phone dd {
  margin: 0;
  font-family: var(--mono);
}

.phone button {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: white;
}

.tools-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .7rem;
  padding: 1rem;
}

.service-grid,
.steps,
.tech-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.service-item,
.steps article,
.tech-grid article,
.case-grid article {
  padding: clamp(1rem, 2vw, 1.5rem);
  background: rgba(255, 253, 248, .86);
}

.service-item p,
.steps p,
.tech-grid li,
.case-grid p,
.about-text,
.contact-copy p {
  color: var(--muted);
}

.steps span {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--mono);
  color: var(--accent-dark);
}

.about,
.contact {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2rem, 6vw, 5rem);
}

.about-text p:first-child,
.contact-copy p {
  margin-top: 0;
}

.tech-grid {
  grid-template-columns: repeat(5, 1fr);
}

.tech-grid ul {
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.tech-grid li + li {
  margin-top: .45rem;
}

.contact-options {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 0;
  margin: 1.2rem 0;
  list-style: none;
}

.contact-options li {
  border-left: 3px solid var(--accent);
  background: var(--surface);
  padding: .45rem .6rem;
}

.direct-email a {
  color: var(--accent-dark);
  font-weight: 700;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .9rem;
  padding: clamp(1rem, 3vw, 1.4rem);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: .35rem;
}

.contact-form .full,
.form-status,
.contact-form button {
  grid-column: 1 / -1;
}

.contact-form span {
  font-weight: 650;
}

input,
textarea,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  background: #fbfaf5;
  padding: .7rem;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(47, 111, 127, .28);
  outline-offset: 2px;
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
  font-size: .92rem;
}

.form-status.error {
  color: var(--bad);
}

.form-status.ok {
  color: var(--ok);
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: .35rem 0;
  color: var(--muted);
}

.copyright {
  grid-column: 1 / -1;
  font-size: .9rem;
}

.case-hero {
  padding-bottom: 2rem;
}

.case-hero h1 {
  max-width: 960px;
  font-size: clamp(2.35rem, 4.8vw, 4.4rem);
}

.case-visual {
  margin-top: 2rem;
}

.case-grid {
  grid-template-columns: repeat(2, 1fr);
  padding-top: 0;
  margin-bottom: 5rem;
}

.narrow {
  max-width: 760px;
}

[data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity .55s ease, transform .55s ease;
}

.reveal-active [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(14px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 920px) {
  .site-header {
    flex-wrap: wrap;
    padding-block: .75rem;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .hero,
  .project-preview,
  .about,
  .contact,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .project-preview-reverse .project-copy {
    order: initial;
  }

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

@media (max-width: 620px) {
  .section {
    width: min(100% - 1rem, 1180px);
    padding-block: 3rem;
  }

  .site-header {
    min-height: auto;
  }

  .brand {
    font-size: .95rem;
  }

  .header-actions .button-small {
    display: none;
  }

  .nav {
    overflow-x: auto;
  }

  .nav a {
    padding-inline: .35rem;
    white-space: nowrap;
  }

  h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .service-grid,
  .steps,
  .tech-grid,
  .case-grid,
  .machine-grid,
  .tools-map,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .project-preview {
    padding: .75rem;
  }

  .inspection {
    overflow-x: auto;
  }

  .inspection table {
    min-width: 620px;
  }

  .pipeline span {
    width: 1px;
    height: 18px;
  }

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

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