:root {
  --ink: #17181b;
  --ink-soft: #32353a;
  --muted: #6d7075;
  --line: #dedbd4;
  --paper: #fff;
  --warm: #f7f5f0;
  --gold: #e2a62d;
  --gold-dark: #bf741f;
  --gold-pale: #f8e8b9;
  --shell: 1180px;
  --shadow: 0 22px 60px rgb(25 24 20 / 10%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -60px; z-index: 1000; padding: 10px 16px;
  background: var(--ink); color: white; text-decoration: none;
}
.skip-link:focus { top: 16px; }

h1, h2, h3 { font-family: "Space Grotesk", Arial, sans-serif; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin: 0 0 28px; font-size: clamp(3rem, 6vw, 5.7rem); max-width: 760px; }
h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4rem); }
h3 { margin: 0 0 10px; font-size: 1.45rem; }
p { margin: 0 0 18px; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: rgb(255 255 255 / 92%);
  border-bottom: 1px solid rgb(222 219 212 / 75%); backdrop-filter: blur(14px);
}
.header-inner { height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { width: 265px; }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav > a:not(.button) { font-weight: 600; text-decoration: none; font-size: .95rem; }
.site-nav > a:not(.button):hover { color: var(--gold-dark); }
.nav-toggle { display: none; border: 0; background: transparent; width: 44px; padding: 9px; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 6px 0; background: var(--ink); }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 18px;
  min-height: 54px; padding: 13px 24px; border: 1px solid var(--gold);
  border-radius: 3px; background: linear-gradient(110deg, #f0bd39, #dda02c);
  color: #17130a; font-weight: 700; text-decoration: none; cursor: pointer;
  box-shadow: 0 10px 24px rgb(205 133 25 / 18%); transition: transform .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgb(205 133 25 / 27%); }
.button-small { min-height: 46px; padding: 10px 18px; font-size: .9rem; }
.text-link { font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--gold); padding-bottom: 4px; }
.text-link span { margin-left: 8px; }

.hero { min-height: calc(100vh - 92px); display: grid; align-items: center; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 30px; padding-block: 70px; }
.hero-copy > p { max-width: 640px; font-size: 1.18rem; color: var(--ink-soft); }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.network-scene { min-height: 520px; display: grid; place-items: center; }
.network-scene svg { width: min(100%, 650px); overflow: visible; }
.topology-lines path { fill: none; stroke: #c8c9ca; stroke-width: 2; }
.topology-accent path { fill: none; stroke: url(#goldLine); stroke-width: 3; }
.nodes circle { fill: #fff; stroke: var(--gold); stroke-width: 3; }
.device { fill: #fff; stroke: #b9babb; stroke-width: 2.2; }
.device-server rect:not(:first-child) { fill: #f7f7f5; }
.device-server circle { fill: var(--gold); stroke: none; }
.device-shield path { fill: #fff; stroke: var(--gold-dark); stroke-width: 3; }
.device-shield rect { fill: var(--gold-pale); stroke: var(--gold-dark); stroke-width: 2; }
.signal circle { fill: #fff; stroke: #b9babb; stroke-width: 2; }
.signal path { fill: none; stroke: var(--gold); stroke-width: 3; stroke-linecap: round; }
.signal circle:last-child { fill: var(--gold); stroke: none; }

.section { padding-block: 120px; }
.section-heading { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 30px; align-items: end; margin-bottom: 76px; }
.section-heading > p:last-child { color: var(--muted); max-width: 500px; justify-self: end; }
.section-number { margin: 0 0 12px; color: var(--gold-dark); font: 700 .9rem/1 "Space Grotesk", sans-serif; letter-spacing: .15em; }
.service-list { border-top: 1px solid var(--line); }
.service {
  display: grid; grid-template-columns: 70px 1fr auto; gap: 28px; align-items: start;
  padding: 34px 0; border-bottom: 1px solid var(--line);
}
.service-index { color: var(--gold-dark); font: 600 .9rem "Space Grotesk", sans-serif; padding-top: 5px; }
.service h3 { font-size: clamp(1.55rem, 3vw, 2.3rem); }
.service p { color: var(--muted); max-width: 760px; margin: 0; }
.service-toggle { border: 0; background: none; padding: 8px 0; font-weight: 700; cursor: pointer; }
.service-toggle span { display: inline-block; margin-left: 14px; color: var(--gold-dark); font-size: 1.35rem; transition: transform .2s; }
.service-detail { display: none; grid-column: 2 / 4; padding: 10px 0 2px; }
.service.open .service-detail { display: block; }
.service.open .service-toggle span { transform: rotate(45deg); }

.approach { background: var(--warm); position: relative; overflow: hidden; }
.approach::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 32%;
  background-image: radial-gradient(circle, rgb(226 166 45 / 25%) 1.5px, transparent 1.5px);
  background-size: 30px 30px; mask-image: linear-gradient(90deg, black, transparent);
}
.approach .shell { position: relative; display: grid; grid-template-columns: .75fr 2fr; gap: 80px; }
.approach-intro p:last-child { margin-top: 22px; color: var(--muted); }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; }
.steps li { position: relative; }
.steps li:not(:last-child)::after {
  content: "→"; position: absolute; right: -24px; top: 3px; color: #a5a6a8; font-size: 1.4rem;
}
.steps span { color: var(--gold-dark); font: 700 1.7rem "Space Grotesk", sans-serif; }
.steps h3 { margin-top: 38px; }
.steps p { color: var(--muted); font-size: .95rem; }

.proof-heading { display: flex; align-items: end; gap: 34px; margin-bottom: 60px; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid article { padding: 0 34px; border-left: 1px solid var(--line); }
.proof-grid article:first-child { padding-left: 0; border-left: 0; }
.proof-grid p { color: var(--muted); font-size: .96rem; }

.about { background: #fbfaf7; }
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: center; }
.about-copy p:not(.section-number) { color: var(--ink-soft); max-width: 680px; }
.about-copy .text-link { display: inline-block; margin-top: 15px; }
.about-graphic { position: relative; min-height: 460px; display: grid; place-items: center; }
.orbit { position: absolute; width: 330px; height: 330px; border: 1px solid rgb(199 132 31 / 45%); border-radius: 50%; }
.orbit-one { transform: rotate(0deg) scaleY(.42); }
.orbit-two { transform: rotate(58deg) scaleY(.42); }
.orbit-three { transform: rotate(-58deg) scaleY(.42); }
.about-core { width: 170px; height: 170px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #f6d467, #d68c26 70%); box-shadow: var(--shadow); }
.satellite { position: absolute; width: 17px; height: 17px; border: 4px solid white; border-radius: 50%; background: var(--gold-dark); box-shadow: 0 3px 12px rgb(0 0 0 / 20%); }
.s1 { transform: translate(145px, -66px); }.s2 { transform: translate(-136px, 76px); }.s3 { transform: translate(20px, 162px); }

.contact-section { padding-block: 110px; color: #fff; background: var(--ink); position: relative; overflow: hidden; }
.contact-section::after {
  content: ""; position: absolute; width: 600px; height: 600px; right: -220px; bottom: -320px;
  border: 1px solid rgb(226 166 45 / 25%); border-radius: 50%; box-shadow: 0 0 0 80px rgb(226 166 45 / 4%), 0 0 0 160px rgb(226 166 45 / 3%);
}
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.contact-copy > p:not(.section-number) { color: #c7c7c9; max-width: 510px; margin-top: 26px; }
.section-number.light { color: #f0bd39; }
.contact-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 58px; color: #c7c7c9; font-size: .95rem; }
.contact-meta strong { color: white; }
.contact-meta a { color: inherit; }
.contact-form { background: white; color: var(--ink); padding: 42px; border-radius: 4px; box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 7px; margin-bottom: 18px; font-weight: 700; font-size: .9rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; border: 1px solid #d7d5d0; background: #fbfaf8; border-radius: 2px; padding: 12px 13px; color: var(--ink);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
.contact-form textarea { resize: vertical; }
.form-note { color: var(--muted); font-size: .82rem; margin: 12px 0 0; }

.site-footer { padding-block: 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 250px 1fr auto; align-items: center; gap: 45px; }
.footer-grid > img { width: 235px; }
.footer-grid p { margin: 0; color: var(--muted); font-size: .9rem; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { text-decoration: none; font-weight: 700; font-size: .9rem; }
.copyright { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 26px; text-align: center; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}

@media (max-width: 980px) {
  .nav-toggle { display: block; position: relative; z-index: 2; }
  .site-nav {
    position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center;
    background: white; opacity: 0; visibility: hidden; transform: translateY(-16px); transition: .25s;
  }
  .site-nav.open { opacity: 1; visibility: visible; transform: none; }
  .site-nav > a:not(.button) { font: 600 1.8rem "Space Grotesk", sans-serif; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .network-scene { min-height: 420px; }
  .section-heading { grid-template-columns: 60px 1fr; }
  .section-heading > p:last-child { grid-column: 2; justify-self: start; }
  .approach .shell { grid-template-columns: 1fr; gap: 55px; }
  .proof-grid { grid-template-columns: 1fr 1fr; gap: 42px 0; }
  .proof-grid article:nth-child(3) { padding-left: 0; border-left: 0; }
  .about-grid { gap: 30px; }
  .about-graphic { min-height: 360px; transform: scale(.8); }
  .contact-grid { gap: 55px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-grid > img { margin-inline: auto; }
  .footer-links { justify-content: center; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .header-inner { height: 76px; }
  .brand { width: 210px; }
  .hero-grid { padding-block: 55px 30px; }
  h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .network-scene { min-height: 300px; }
  .section { padding-block: 82px; }
  .section-heading { display: block; margin-bottom: 50px; }
  .section-heading > p:last-child { margin-top: 20px; }
  .service { grid-template-columns: 42px 1fr; gap: 16px; }
  .service-toggle { grid-column: 2; justify-self: start; }
  .service-detail { grid-column: 2; }
  .steps { grid-template-columns: 1fr 1fr; gap: 48px 30px; }
  .steps li:not(:last-child)::after { display: none; }
  .steps h3 { margin-top: 20px; }
  .proof-heading { display: block; }
  .proof-grid { grid-template-columns: 1fr; gap: 32px; }
  .proof-grid article { padding: 0 0 0 20px !important; border-left: 2px solid var(--gold) !important; }
  .about-graphic { min-height: 300px; transform: scale(.68); margin: -40px 0; }
  .contact-section { padding-block: 82px; }
  .contact-meta, .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 26px 20px; margin-inline: -3px; }
}