:root {
  color-scheme: dark;
  --ink: #f4f7f3;
  --muted: #a9b7af;
  --panel: #0e1a1c;
  --panel-strong: #122629;
  --line: rgba(244, 247, 243, 0.16);
  --gold: #e5c878;
  --gold-strong: #ffe56a;
  --aqua: #55d6c6;
  --green: #287d58;
  --black: #050707;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 22% 0%, rgba(85, 214, 198, 0.2), transparent 32rem),
    linear-gradient(135deg, rgba(229, 200, 120, 0.12), transparent 30rem),
    var(--black);
  color: var(--ink);
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 7, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  min-width: 13rem;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border: 1px solid rgba(229, 200, 120, 0.55);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(229, 200, 120, 0.2), rgba(85, 214, 198, 0.12));
  color: var(--gold-strong);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  text-transform: uppercase;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 2vw, 1.4rem);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--gold-strong);
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.hero {
  display: grid;
  min-height: clamp(620px, 82svh, 760px);
  align-items: center;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.hero-copy {
  max-width: 45rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1,
h2 {
  line-height: 1;
  letter-spacing: 0;
}

h1 {
  max-width: 11.5ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 6vw, 5.9rem);
}

h2 {
  max-width: 13ch;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 4.6rem);
}

h3 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.lead {
  max-width: 43rem;
  color: #d9e0dc;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.78rem 1.1rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--gold-strong);
  color: #131100;
}

.button.secondary {
  border-color: rgba(244, 247, 243, 0.26);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 2.3rem 0 0;
}

.signal-grid div,
.service-card,
.process-list article,
.feature-panel,
.cad-frame,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(14, 26, 28, 0.78);
  box-shadow: var(--shadow);
}

.signal-grid div {
  min-height: 8rem;
  padding: 1rem;
}

.signal-grid dt {
  margin-bottom: 0.5rem;
  color: var(--gold-strong);
  font-weight: 900;
}

.signal-grid dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  position: absolute;
  inset: -10%;
  z-index: -1;
  border: 1px solid rgba(85, 214, 198, 0.26);
  border-radius: 8px;
  content: "";
  transform: rotate(-3deg);
}

.hero-visual img {
  width: 100%;
  border: 1px solid rgba(229, 200, 120, 0.24);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.intro-band {
  display: grid;
  width: 100%;
  max-width: none;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 2rem;
  padding-right: max(1rem, calc((100% - 1180px) / 2));
  padding-left: max(1rem, calc((100% - 1180px) / 2));
  background:
    linear-gradient(90deg, rgba(40, 125, 88, 0.36), rgba(229, 200, 120, 0.1)),
    #0a1112;
}

.intro-band p:last-child {
  align-self: end;
  color: #d9e0dc;
  font-size: 1.15rem;
  line-height: 1.75;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  min-height: 18rem;
  padding: 1.2rem;
}

.card-index {
  display: inline-block;
  margin-bottom: 4rem;
  color: var(--gold-strong);
  font-weight: 900;
}

.service-card p,
.feature-panel p,
.process-list p,
.contact-copy p {
  color: var(--muted);
  line-height: 1.65;
}

.feature-split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 1rem;
  align-items: stretch;
}

.feature-panel {
  padding: clamp(1.4rem, 4vw, 2rem);
}

.check-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
  color: #d9e0dc;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--aqua);
  content: "✓";
  font-weight: 900;
}

.cad-frame {
  min-height: 32rem;
  overflow: hidden;
  background: #081011;
}

.cad-toolbar {
  display: flex;
  gap: 0.45rem;
  padding: 0.85rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel-strong);
}

.cad-toolbar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--gold);
}

.cad-canvas {
  position: relative;
  height: calc(100% - 2.5rem);
  min-height: 29.5rem;
  background-image:
    linear-gradient(rgba(85, 214, 198, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 214, 198, 0.11) 1px, transparent 1px);
  background-size: 28px 28px;
}

.beam,
.node,
.dimension {
  position: absolute;
}

.beam {
  height: 2rem;
  border: 1px solid rgba(229, 200, 120, 0.85);
  border-radius: 3px;
  background: linear-gradient(180deg, #e2c777, #7d6833);
  box-shadow: 0 0 25px rgba(229, 200, 120, 0.18);
}

.beam-a {
  top: 37%;
  left: 12%;
  width: 76%;
  transform: rotate(-16deg);
}

.beam-b {
  top: 48%;
  left: 18%;
  width: 55%;
  transform: rotate(34deg);
}

.beam-c {
  top: 61%;
  left: 28%;
  width: 56%;
  transform: rotate(-2deg);
}

.node {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--aqua);
  border-radius: 50%;
  background: #071112;
}

.node-a {
  top: 35%;
  left: 18%;
}

.node-b {
  top: 58%;
  right: 20%;
}

.node-c {
  bottom: 22%;
  left: 44%;
}

.dimension {
  border: 1px solid rgba(85, 214, 198, 0.42);
  border-radius: 5px;
  padding: 0.35rem 0.5rem;
  background: rgba(7, 17, 18, 0.86);
  color: var(--aqua);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.78rem;
}

.dim-a {
  top: 18%;
  left: 12%;
}

.dim-b {
  right: 12%;
  bottom: 18%;
}

.dim-c {
  top: 12%;
  right: 11%;
  color: var(--gold-strong);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.process-list article {
  min-height: 16rem;
  padding: 1.2rem;
}

.process-list span {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  margin-bottom: 2.4rem;
  border-radius: 8px;
  background: rgba(85, 214, 198, 0.16);
  color: var(--aqua);
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: start;
}

.contact-copy {
  position: sticky;
  top: 6rem;
}

address {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
  color: #d9e0dc;
  font-style: normal;
}

address a {
  width: fit-content;
  color: var(--gold-strong);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.contact-form label {
  display: grid;
  gap: 0.5rem;
  color: #d9e0dc;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
  background: #071112;
  color: var(--ink);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

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

.form-status {
  grid-column: 1 / -1;
  min-height: 1.5rem;
  margin: 0;
  color: var(--aqua);
}

.screen-reader-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .intro-band,
  .feature-split,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

  .contact-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: clamp(2.75rem, 18vw, 4.3rem);
  }

  .signal-grid,
  .service-grid,
  .process-list,
  .contact-form {
    grid-template-columns: 1fr;
  }

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

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