:root {
  --bg: #080b0d;
  --bg-soft: #101518;
  --surface: #f5f7f6;
  --surface-2: #e9edeb;
  --ink: #101416;
  --muted: #657074;
  --line: rgba(255, 255, 255, 0.14);
  --dark-line: rgba(16, 20, 22, 0.12);
  --accent: #00856f;
  --accent-2: #00a88b;
  --titanium: #c9d0ce;
  --max: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

main {
  background: var(--surface);
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 12px clamp(18px, 4vw, 48px);
  color: #f6f8f7;
  background: rgba(8, 11, 13, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #07100f;
  background: linear-gradient(140deg, #ffffff, var(--titanium));
  border-radius: 6px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 44px);
  color: rgba(246, 248, 247, 0.72);
  font-size: 14px;
  white-space: nowrap;
}

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

.nav a:hover,
.nav a:focus-visible {
  color: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 750;
  line-height: 1;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-header {
  justify-self: end;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #006b5c);
  box-shadow: 0 18px 42px rgba(0, 133, 111, 0.26);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-2), #006b5c);
  box-shadow: 0 22px 54px rgba(0, 133, 111, 0.28);
}

.button-secondary {
  color: #f6f8f7;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.05);
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: stretch;
  background:
    radial-gradient(circle at 46% 48%, rgba(0, 168, 139, 0.08), transparent 32%),
    linear-gradient(90deg, rgba(8, 11, 13, 0.98) 0%, rgba(8, 11, 13, 0.92) 38%, rgba(8, 11, 13, 0.24) 70%, rgba(8, 11, 13, 0.06) 100%),
    var(--bg);
  color: #fff;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  max-width: 620px;
  padding: 118px 0 64px clamp(22px, 4vw, 56px);
}

.section-note {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.contact-section h2 {
  margin: 0;
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 620px;
  font-size: clamp(38px, 3.65vw, 56px);
}

.lead {
  max-width: 560px;
  margin: 20px 0 0;
  color: rgba(246, 248, 247, 0.78);
  font-size: clamp(17px, 1.35vw, 19px);
  line-height: 1.5;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.hero-proof span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: rgba(246, 248, 247, 0.76);
  font-size: 12px;
  font-weight: 760;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.hero-media {
  min-height: 620px;
  margin-left: -4vw;
}

.hero-media img {
  object-position: 62% center;
}

.quick-grid {
  max-width: var(--max);
  margin: -52px auto 0;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 0 clamp(16px, 3vw, 28px);
}

.quick-grid article {
  min-height: 132px;
  padding: 22px;
  color: #fff;
  background: linear-gradient(180deg, rgba(20, 26, 29, 0.98), rgba(13, 17, 19, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.quick-grid strong,
.quick-grid span {
  display: block;
}

.quick-grid strong {
  margin-bottom: 12px;
  font-size: 18px;
}

.quick-grid span {
  color: rgba(246, 248, 247, 0.68);
  font-size: 13px;
  line-height: 1.5;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px clamp(18px, 4vw, 48px);
}

.split,
.quality-section,
.digital-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
}

.section-copy h2,
.section-heading h2,
.digital-copy h2,
.contact-section h2 {
  font-size: clamp(28px, 3vw, 42px);
  overflow-wrap: break-word;
}

.section-copy,
.section-heading,
.digital-copy,
.contact-section > div,
.contact-card {
  min-width: 0;
}

.section-copy p,
.section-heading p,
.digital-copy p,
.contact-section p,
.material-main p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.62;
}

.section-copy p,
.digital-copy p,
.contact-section p {
  margin: 26px 0 0;
}

.image-panel {
  margin: 0;
  aspect-ratio: 1.34 / 1;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--dark-line);
  background: var(--bg-soft);
  box-shadow: 0 30px 80px rgba(8, 11, 13, 0.18);
}

.line-list {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.line-list span {
  padding: 16px 0;
  color: #1d2427;
  font-size: 17px;
  font-weight: 720;
  border-top: 1px solid var(--dark-line);
}

.material-band {
  max-width: none;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(0, 133, 111, 0.14), transparent 42%),
    linear-gradient(180deg, #101518, #080b0d);
}

.material-band .section-heading,
.material-layout {
  max-width: var(--max);
  margin-inline: auto;
}

.material-band h2,
.material-band p {
  color: #fff;
}

.material-band .section-heading p:not(.section-note),
.material-main p {
  color: rgba(246, 248, 247, 0.7);
}

.material-layout {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, minmax(160px, 0.7fr));
  gap: 16px;
  margin-top: 44px;
}

.material-main,
.material-card {
  min-height: 190px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.material-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.material-card span {
  color: rgba(246, 248, 247, 0.58);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.material-card strong {
  color: #fff;
  font-size: clamp(25px, 2.3vw, 36px);
  line-height: 1.05;
}

.material-card.accent {
  background: linear-gradient(150deg, rgba(0, 168, 139, 0.84), rgba(0, 87, 76, 0.9));
}

.quality-section {
  grid-template-columns: minmax(420px, 1.04fr) minmax(0, 0.96fr);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.control-grid div,
.process-cards article {
  padding: 24px;
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  background: #fff;
}

.control-grid strong,
.control-grid span {
  display: block;
}

.control-grid strong {
  margin-bottom: 12px;
  font-size: 18px;
}

.control-grid span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.48;
}

.engineering-grid {
  background: var(--surface);
}

.section-heading {
  max-width: 930px;
}

.section-heading p:not(.section-note) {
  max-width: 780px;
  margin: 24px 0 0;
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 42px;
}

.process-cards span {
  display: block;
  margin-bottom: 42px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
}

.process-cards h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.06;
}

.process-cards p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.58;
}

.digital-section {
  max-width: none;
  padding-inline: max(clamp(18px, 4vw, 48px), calc((100vw - var(--max)) / 2 + 48px));
  color: #fff;
  background: #080b0d;
}

.digital-section p {
  color: rgba(246, 248, 247, 0.7);
}

.digital-section .image-panel {
  border-color: rgba(255, 255, 255, 0.12);
}

.process-section {
  background: var(--surface);
}

.timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin: 58px 0 0;
  padding: 0;
  counter-reset: step;
}

.timeline li {
  min-height: 220px;
  padding: 26px;
  border-top: 1px solid var(--dark-line);
  border-right: 1px solid var(--dark-line);
  counter-increment: step;
}

.timeline li:first-child {
  border-left: 1px solid var(--dark-line);
}

.timeline span {
  display: block;
  color: var(--ink);
  font-size: 22px;
  font-weight: 820;
}

.timeline span::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
}

.timeline p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.54;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.64fr);
  gap: clamp(34px, 6vw, 90px);
  align-items: start;
  padding: 88px clamp(18px, 4vw, 48px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(0, 133, 111, 0.24), transparent 38%),
    #101518;
}

.contact-section > * {
  max-width: var(--max);
}

.contact-section p {
  color: rgba(246, 248, 247, 0.72);
  max-width: 760px;
}

.contact-card {
  display: grid;
  gap: 18px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.contact-card a:not(.button),
.contact-card span {
  color: rgba(246, 248, 247, 0.82);
  font-size: 16px;
  line-height: 1.35;
}

.contact-card .button {
  margin-top: 12px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: rgba(246, 248, 247, 0.58);
  background: #080b0d;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 1060px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero,
  .split,
  .quality-section,
  .digital-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    padding: 108px clamp(18px, 5vw, 48px) 30px;
  }

  .hero-media {
    min-height: 360px;
    margin-left: 0;
  }

  .quick-grid,
  .material-layout,
  .process-cards,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .material-main {
    grid-column: 1 / -1;
  }

  .timeline li:nth-child(odd) {
    border-left: 1px solid var(--dark-line);
  }

  .quality-section .image-panel {
    order: 2;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 72px;
    padding: 14px 16px;
  }

  .brand {
    font-size: 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .button-header {
    display: none;
  }

  .hero h1 {
    font-size: clamp(34px, 9vw, 44px);
  }

  .lead {
    font-size: 16px;
    line-height: 1.5;
  }

  .hero-proof {
    gap: 6px;
    margin-top: 18px;
  }

  .hero-proof span {
    min-height: 30px;
    padding: 0 10px;
    font-size: 11px;
  }

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

  .hero-media {
    min-height: 290px;
  }

  .quick-grid,
  .material-layout,
  .process-cards,
  .timeline,
  .control-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .contact-section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .section-copy h2,
  .section-heading h2,
  .digital-copy h2,
  .contact-section h2 {
    font-size: clamp(28px, 8.4vw, 34px);
  }

  .image-panel {
    aspect-ratio: 1 / 0.82;
  }

  .timeline li,
  .timeline li:first-child,
  .timeline li:nth-child(odd) {
    border-left: 1px solid var(--dark-line);
  }

  .footer {
    flex-direction: column;
  }
}