:root {
  --ink: #16221f;
  --muted: #5d6b66;
  --line: #d9e1dd;
  --paper: #f7faf8;
  --white: #ffffff;
  --green: #19684f;
  --moss: #93b957;
  --gold: #d89d36;
  --aqua: #5ab7b2;
  --shadow: 0 22px 60px rgba(22, 34, 31, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(247, 250, 248, 0.92);
  border-bottom: 1px solid rgba(217, 225, 221, 0.75);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), var(--aqua));
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(25, 104, 79, 0.22);
}

nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
}

nav a:hover {
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 5vw;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 8vh 6vw 9vh;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 8vw, 6.9rem);
  line-height: 0.93;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.lede {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.6vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 760;
}

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

.button.secondary {
  color: var(--green);
  background: var(--white);
  border: 1px solid var(--line);
}

.infra-visual {
  position: relative;
  min-height: 500px;
  padding: 34px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(233, 241, 236, 0.94)),
    radial-gradient(circle at 20% 16%, rgba(216, 157, 54, 0.18), transparent 32%),
    radial-gradient(circle at 78% 68%, rgba(90, 183, 178, 0.2), transparent 34%);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.top-panel {
  display: flex;
  gap: 9px;
}

.top-panel span {
  width: 11px;
  height: 11px;
  background: var(--gold);
  border-radius: 50%;
}

.top-panel span:nth-child(2) {
  background: var(--moss);
}

.top-panel span:nth-child(3) {
  background: var(--aqua);
}

.server-stack {
  display: grid;
  gap: 16px;
  margin-top: 58px;
}

.server-line {
  display: grid;
  grid-template-columns: 18px 1fr 0.62fr 0.28fr;
  gap: 16px;
  align-items: center;
  min-height: 62px;
  padding: 0 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.server-line i,
.server-line b {
  display: block;
  height: 10px;
  background: #dce6e1;
  border-radius: 99px;
}

.server-line i {
  height: 18px;
  background: var(--green);
}

.server-line.active {
  border-color: rgba(25, 104, 79, 0.35);
  box-shadow: 0 18px 40px rgba(25, 104, 79, 0.16);
}

.server-line.active i {
  background: var(--gold);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 40px;
}

.signal-grid span {
  aspect-ratio: 1;
  background: rgba(25, 104, 79, 0.08);
  border: 1px solid rgba(25, 104, 79, 0.12);
  border-radius: 6px;
}

.section {
  padding: 92px 6vw;
  border-top: 1px solid var(--line);
}

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

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-grid article {
  min-height: 230px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-grid p,
.approach-copy,
.contact-band p,
footer {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
  gap: 7vw;
  align-items: start;
  background: var(--white);
}

.approach-copy {
  max-width: 720px;
  font-size: 1.1rem;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 36px;
  align-items: center;
  margin: 0 6vw 90px;
  padding: 44px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green), #223b35 72%);
  border-radius: 8px;
}

.contact-band .eyebrow,
.contact-band p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-links {
  display: grid;
  gap: 12px;
}

.contact-links a {
  display: block;
  padding: 16px 18px;
  color: var(--ink);
  background: var(--white);
  border-radius: 6px;
  font-weight: 760;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 6vw;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

@media (max-width: 940px) {
  .hero,
  .split,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .infra-visual {
    min-height: 380px;
  }

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

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero,
  .section {
    padding-left: 22px;
    padding-right: 22px;
  }

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

  .button {
    width: 100%;
  }

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

  .contact-band {
    margin-right: 22px;
    margin-left: 22px;
    padding: 28px;
  }
}