:root {
  --ink: #151719;
  --text: #30353a;
  --muted: #68727d;
  --line: #dfe5ea;
  --paper: #f7f4ee;
  --mist: #f3f6f8;
  --white: #ffffff;
  --night: #182025;
  --steel: #3f4d58;
  --accent: #d94f31;
  --accent-dark: #a93622;
  --teal: #13746f;
  --gold: #c49035;
  --shadow: 0 18px 45px rgba(31, 42, 51, 0.14);
  --radius: 8px;
  --header-height: 80px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-height);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(223, 229, 234, 0.82);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(1180px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-logo {
  width: 64px;
  height: 56px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.2;
}

.brand strong {
  font-size: 19px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 6px;
  color: var(--steel);
  font-size: 15px;
  font-weight: 700;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--accent-dark);
  background: #f8ebe6;
  outline: none;
}

.nav-list .nav-contact {
  color: var(--white);
  background: var(--accent);
}

.nav-list .nav-contact:hover,
.nav-list .nav-contact:focus-visible {
  color: var(--white);
  background: var(--accent-dark);
}

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.menu-button span {
  width: 20px;
  height: 2px;
  display: block;
  margin: 3px 0;
  background: var(--ink);
  border-radius: 2px;
}

.hero {
  position: relative;
  min-height: 82svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
  padding: 112px 0 58px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center;
  filter: saturate(1.04) contrast(1.03);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(16, 20, 23, 0.88), rgba(16, 20, 23, 0.58) 48%, rgba(16, 20, 23, 0.2)),
    linear-gradient(0deg, rgba(12, 15, 17, 0.86), rgba(12, 15, 17, 0) 44%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.model-label,
.contact-label {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffb14b;
}

.hero h1 {
  margin: 10px 0 16px;
  color: var(--white);
  max-width: 860px;
  font-size: 64px;
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}

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

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

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

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-dark);
}

.button-quiet {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.12);
}

.button-quiet:hover,
.button-quiet:focus-visible {
  background: rgba(255, 255, 255, 0.22);
}

.button-light {
  color: var(--ink);
  background: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.button-light:hover,
.button-light:focus-visible {
  background: #fff3ea;
}

.hero-metrics {
  width: min(780px, 100%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 36px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.22);
}

.hero-metrics div {
  min-height: 96px;
  padding: 18px;
  background: rgba(10, 14, 16, 0.5);
}

.hero-metrics strong {
  display: block;
  color: var(--white);
  font-size: 20px;
  line-height: 1.2;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.intro-band {
  background: var(--paper);
  border-bottom: 1px solid #eadfcb;
  padding: 34px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.intro-grid h2,
.section-head h2,
.feature-copy h2,
.contact-grid h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 40px;
  line-height: 1.18;
  letter-spacing: 0;
}

.intro-grid p {
  margin: 0;
  color: var(--steel);
  font-size: 17px;
}

.section {
  padding: 86px 0;
}

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

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.compact {
  margin-bottom: 28px;
}

.section-head p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

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

.model-card,
.application-grid article,
.process-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 28px rgba(31, 42, 51, 0.08);
}

.model-card {
  overflow: hidden;
}

.model-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.model-content {
  padding: 26px;
}

.model-content h3,
.application-grid h3 {
  margin: 8px 0 10px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.25;
}

.model-content p {
  margin: 0;
  color: var(--muted);
}

.clean-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 18px;
  color: var(--steel);
}

.clean-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.application-grid article {
  min-height: 150px;
  padding: 24px;
}

.application-grid h3 {
  font-size: 21px;
}

.application-grid p {
  margin: 0;
  color: var(--muted);
}

.image-feature {
  background: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 42px;
  align-items: center;
}

.feature-copy h2 {
  margin-bottom: 24px;
}

.advantage-list {
  display: grid;
  gap: 18px;
}

.advantage-list div {
  padding: 0 0 18px 18px;
  border-left: 4px solid var(--accent);
  border-bottom: 1px solid var(--line);
}

.advantage-list strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.advantage-list p {
  margin: 6px 0 0;
  color: var(--muted);
}

.workshop-figure {
  margin: 0;
}

.workshop-figure img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.workshop-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 28px rgba(31, 42, 51, 0.08);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--ink);
  background: #eef2f4;
  font-size: 15px;
}

td:first-child {
  width: 24%;
  color: var(--ink);
  font-weight: 800;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  min-height: 210px;
  padding: 22px;
}

.process-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: var(--teal);
  border-radius: 50%;
  font-weight: 900;
  font-size: 13px;
}

.process-list strong {
  display: block;
  margin-top: 18px;
  color: var(--ink);
  font-size: 18px;
}

.process-list p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.contact-section {
  padding: 86px 0;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(24, 32, 37, 0.97), rgba(63, 77, 88, 0.9)),
    var(--night);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 48px;
  align-items: center;
}

.contact-grid h2,
.contact-grid p {
  color: var(--white);
}

.contact-grid > div:first-child p {
  max-width: 680px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.contact-panel {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
}

.contact-label {
  color: #ffbd68;
}

.contact-number {
  display: block;
  margin-top: 10px;
  color: var(--white);
  font-size: 36px;
  line-height: 1.15;
  font-weight: 900;
}

.sticky-contact {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  background: rgba(24, 32, 37, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.sticky-contact a,
.sticky-contact button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border: 0;
  border-radius: 6px;
  color: var(--white);
  background: var(--accent);
  font-weight: 800;
  white-space: nowrap;
}

.sticky-contact a:nth-child(2) {
  background: var(--teal);
}

.sticky-contact button {
  background: rgba(255, 255, 255, 0.16);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 86px;
  z-index: 70;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.site-footer {
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #111517;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 960px) {
  .intro-grid,
  .feature-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .model-grid,
  .application-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 70px;
  }

  .section-inner,
  .header-inner {
    width: min(100% - 28px, 1180px);
  }

  .menu-button {
    display: grid;
  }

  .nav-list {
    position: absolute;
    top: var(--header-height);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    justify-content: center;
  }

  .hero {
    min-height: 84svh;
    padding: 96px 0 40px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.08;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    margin-top: 26px;
  }

  .hero-metrics div {
    min-height: 78px;
    padding: 14px 16px;
  }

  .intro-grid h2,
  .section-head h2,
  .feature-copy h2,
  .contact-grid h2 {
    font-size: 31px;
  }

  .section,
  .contact-section {
    padding: 62px 0;
  }

  .model-grid,
  .application-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li {
    min-height: auto;
  }

  .contact-number {
    font-size: 28px;
  }

  .sticky-contact {
    left: 10px;
    right: 10px;
    bottom: 10px;
    justify-content: center;
  }

  .sticky-contact a,
  .sticky-contact button {
    flex: 1;
    padding: 0 8px;
    font-size: 14px;
  }

  .site-footer {
    padding-bottom: 82px;
  }

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

@media (max-width: 430px) {
  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 17px;
  }

  .brand-logo {
    width: 52px;
    height: 46px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .contact-panel {
    padding: 22px;
  }
}