:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --panel: #111821;
  --panel-strong: #16202b;
  --text: #f2f6fb;
  --muted: #a8b3c1;
  --subtle: #748193;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #4fd1c5;
  --accent-strong: #8fe7df;
  --warm: #d7b46a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
  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-height: 100vh;
  background:
    linear-gradient(180deg, rgba(79, 209, 197, 0.08), transparent 360px),
    linear-gradient(135deg, rgba(215, 180, 106, 0.07), transparent 42%),
    var(--bg);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

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

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-strong);
  font-size: 0.82rem;
}

nav {
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  padding: 8px 0;
}

nav a:hover,
nav a:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 56px;
  min-height: calc(100vh - 104px);
  padding: 56px 0 96px;
}

.hero-content,
.signal-panel,
.section,
.contact,
footer {
  position: relative;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.18rem;
}

.hero-copy,
.section-heading h2,
.contact h2 {
  max-width: 720px;
}

.hero-copy,
.service-card p,
.contact p,
footer {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  margin-bottom: 34px;
  max-width: 620px;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  border-color: rgba(79, 209, 197, 0.5);
  background: var(--accent);
  color: #06201d;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

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

.signal-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent),
    rgba(17, 24, 33, 0.9);
  box-shadow: var(--shadow);
}

.signal-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--subtle);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.signal-grid {
  display: grid;
  gap: 12px;
}

.signal-card,
.service-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.signal-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  padding: 18px;
}

.signal-card.active {
  background: rgba(79, 209, 197, 0.1);
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(79, 209, 197, 0.1);
}

.signal-card strong,
.signal-card small {
  grid-column: 2;
}

.signal-card small {
  color: var(--muted);
  line-height: 1.55;
}

.section {
  padding: 88px 0;
}

.section-heading {
  margin-bottom: 32px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 280px;
  padding: 26px;
  background: rgba(17, 24, 33, 0.82);
}

.service-number {
  display: block;
  margin-bottom: 54px;
  color: var(--warm);
  font-size: 0.84rem;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
  margin: 56px 0 92px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact p {
  max-width: 660px;
  margin-bottom: 0;
}

.contact-link {
  color: var(--accent-strong);
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: 800;
  white-space: nowrap;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .hero,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
  }

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

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

  .service-number {
    margin-bottom: 32px;
  }
}

@media (max-width: 620px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand {
    gap: 10px;
  }

  .hero {
    gap: 36px;
    padding-bottom: 64px;
  }

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

  .signal-panel,
  .contact,
  .service-card {
    padding: 20px;
  }

  .section {
    padding: 64px 0;
  }

  .contact {
    margin-bottom: 64px;
  }

  .contact-link {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}