:root {
  --ink: #061a19;
  --ink-2: #0a2624;
  --ink-3: #10322f;
  --gold: #e5ac3d;
  --gold-soft: #f4ce79;
  --ivory: #f2eee3;
  --muted: #a9a695;
  --line: rgba(232, 190, 104, 0.2);
  --aqua: #37d8b0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--ivory);
  font-family: Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
main { overflow: hidden; }

.site-header {
  width: min(1240px, calc(100% - 48px));
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 10;
}
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-name {
  font-family: Georgia, "Times New Roman", serif;
  text-transform: uppercase;
  font-size: 22px;
  letter-spacing: .08em;
}
.mark { position: relative; width: 36px; height: 46px; display: inline-block; flex: 0 0 auto; overflow: hidden; }
.mark img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
nav { display: flex; gap: 34px; color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--ivory); }
.header-cta { color: var(--gold-soft); font-size: 14px; letter-spacing: .02em; }
.header-cta span { margin-left: 7px; }

.hero {
  width: min(1240px, calc(100% - 48px));
  min-height: 710px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.hero::before {
  content: ""; position: absolute; width: 600px; height: 600px; right: -210px; top: -170px;
  background: radial-gradient(circle, rgba(41, 151, 126, .12), transparent 66%); pointer-events: none;
}
.eyebrow, .section-index {
  color: var(--gold); text-transform: uppercase; letter-spacing: .24em; font-size: 12px; font-weight: 600;
}
.hero h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400; letter-spacing: -.035em;
}
.hero h1 { font-size: clamp(54px, 5.7vw, 84px); line-height: .99; margin: 24px 0 30px; max-width: 760px; }
em { color: var(--gold-soft); font-weight: 400; }
.hero-lead { max-width: 620px; font-size: 19px; line-height: 1.7; color: var(--muted); }
.hero-actions, .contact-actions { display: flex; align-items: center; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 25px; border: 1px solid var(--line); font-size: 14px; transition: .25s ease; }
.button.primary { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #081b19; border-color: transparent; font-weight: 650; }
.button.primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(229, 172, 61, .14); }
.button.ghost { color: var(--ivory); }
.button.ghost:hover { border-color: var(--gold); color: var(--gold-soft); }
.availability { display: flex; align-items: center; gap: 10px; color: #7f9a92; font-size: 12px; margin-top: 28px; }
.availability span, .status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 12px rgba(55, 216, 176, .65); }

.hero-system { height: 560px; position: relative; display: grid; place-items: center; }
.system-grid {
  position: absolute; inset: 6%; opacity: .28;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px; transform: perspective(600px) rotateX(58deg) rotateZ(-8deg); mask-image: radial-gradient(circle, #000 18%, transparent 70%);
}
.system-core {
  width: 210px; height: 210px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 35%, #17433e, #071d1b 68%); border: 1px solid rgba(244, 206, 121, .5);
  box-shadow: 0 0 0 16px rgba(229, 172, 61, .03), 0 0 90px rgba(47, 175, 143, .15); z-index: 2;
}
.system-core .mark { width: 64px; height: 66px; margin-bottom: 10px; }
.system-core strong { font-family: Georgia, serif; text-transform: uppercase; letter-spacing: .1em; font-size: 16px; }
.system-core > span:last-child { color: var(--muted); font-size: 10px; margin-top: 7px; letter-spacing: .08em; }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.orbit::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); top: 15%; left: 15%; box-shadow: 0 0 16px var(--gold); }
.orbit-one { width: 360px; height: 360px; transform: rotate(28deg); }
.orbit-two { width: 500px; height: 300px; transform: rotate(-16deg); border-color: rgba(55, 216, 176, .18); }
.node { position: absolute; padding: 9px 14px; border: 1px solid var(--line); background: rgba(7, 29, 27, .88); color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.node::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); margin-right: 8px; }
.node-a { top: 18%; left: 7%; }.node-b { top: 17%; right: 4%; }.node-c { bottom: 19%; left: 3%; }.node-d { bottom: 16%; right: 7%; }
.system-caption { position: absolute; bottom: 6%; color: #6e8a82; font-size: 10px; letter-spacing: .22em; text-transform: uppercase; }

.manifesto, .today {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 115px max(24px, calc((100vw - 1240px) / 2));
  display: grid; grid-template-columns: .36fr .64fr; gap: 70px;
  background: #071e1c;
}
.manifesto > div { max-width: 850px; }
h2 { font-size: clamp(40px, 4.7vw, 67px); line-height: 1.09; margin: 0 0 38px; }
.manifesto div > p, .today-copy p { color: var(--muted); font-size: 17px; line-height: 1.75; max-width: 760px; }

.difference, .applications, .operation { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 120px 0; }
.difference-intro { max-width: 900px; }
.difference-intro h2 { font-size: clamp(38px, 4.4vw, 62px); }
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 55px; }
.comparison article { padding: 42px; min-height: 350px; border: 1px solid var(--line); background: rgba(12, 42, 39, .45); }
.comparison .highlight-card { background: linear-gradient(135deg, rgba(229, 172, 61, .13), rgba(12, 42, 39, .55)); border-color: rgba(229, 172, 61, .46); }
.comparison-tag, .status-pill { display: inline-flex; align-items: center; gap: 9px; border: 1px solid var(--line); color: var(--gold-soft); padding: 7px 11px; font-size: 10px; text-transform: uppercase; letter-spacing: .16em; }
.comparison h3 { font-family: Georgia, serif; font-size: 30px; font-weight: 400; margin: 40px 0 25px; }
.comparison ul { padding: 0; margin: 0; list-style: none; color: var(--muted); }
.comparison li { padding: 13px 0; border-top: 1px solid rgba(232, 190, 104, .1); }
.comparison li::before { content: "◇"; color: var(--gold); margin-right: 12px; }

.applications { border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 60px; }
.section-heading h2 { max-width: 810px; font-size: clamp(40px, 4.5vw, 64px); margin-bottom: 0; }
.section-heading > p { color: var(--muted); line-height: 1.7; max-width: 340px; }
.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.application-grid article { min-height: 240px; padding: 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease; }
.application-grid article:hover { background: rgba(229, 172, 61, .06); }
.application-grid span, .steps span { color: var(--gold); font-family: monospace; font-size: 11px; }
.application-grid h3, .steps h3 { font-family: Georgia, serif; font-size: 28px; font-weight: 400; margin: 50px 0 14px; }
.application-grid p, .steps p { color: var(--muted); line-height: 1.65; font-size: 14px; }

.operation { border-top: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps article { position: relative; border-top: 1px solid var(--gold); padding: 28px 20px 20px 0; }
.steps article:not(:last-child)::after { content: "→"; position: absolute; right: 8px; top: 20px; color: #4f6d66; }
.steps h3 { margin-top: 60px; }

.today { background: linear-gradient(135deg, #0c2d29, #071d1b); }
.today h2 { font-size: clamp(40px, 4.2vw, 60px); }
.today-copy { max-width: 720px; }
.status-pill { margin-top: 24px; }

.contact { width: min(1050px, calc(100% - 48px)); margin: 0 auto; padding: 140px 0; text-align: center; display: flex; flex-direction: column; align-items: center; }
.contact-mark { width: 96px; height: 96px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; margin-bottom: 35px; overflow: hidden; }
.contact-mark .mark { width: 70px; height: 72px; }
.contact h2 { margin-top: 20px; }
.contact > p:not(.section-index) { color: var(--muted); font-size: 17px; max-width: 680px; line-height: 1.7; }
.contact-actions { justify-content: center; }

footer { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 48px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.2fr 1.8fr 1fr; gap: 35px; align-items: start; color: var(--muted); font-size: 12px; }
.footer-brand { color: var(--ivory); }
footer p { margin: 0; max-width: 420px; line-height: 1.6; }
footer > div { display: flex; flex-direction: column; gap: 9px; }
footer a:hover { color: var(--gold-soft); }
footer small { grid-column: 1 / -1; padding-top: 28px; border-top: 1px solid rgba(232,190,104,.08); }

@media (max-width: 900px) {
  .site-header { height: 74px; width: min(100% - 32px, 1240px); }
  nav { display: none; }
  .header-cta { font-size: 12px; }
  .hero { grid-template-columns: 1fr; width: min(100% - 32px, 1240px); padding: 76px 0 40px; gap: 20px; }
  .hero-system { height: 480px; }
  .manifesto, .today { grid-template-columns: 1fr; padding: 85px 24px; gap: 35px; }
  .difference, .applications, .operation { width: min(100% - 32px, 1240px); padding: 85px 0; }
  .application-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .brand-name { font-size: 17px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding-top: 58px; }
  .hero h1 { font-size: 49px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .hero-system { height: 390px; transform: scale(.9); margin-inline: -30px; }
  .system-core { width: 170px; height: 170px; }
  .orbit-one { width: 290px; height: 290px; }
  .orbit-two { width: 360px; height: 240px; }
  .manifesto, .today { padding: 70px 20px; }
  h2 { font-size: 39px; }
  .comparison, .application-grid, .steps { grid-template-columns: 1fr; }
  .comparison article { padding: 28px; min-height: auto; }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 42px; }
  .application-grid article { min-height: 210px; }
  .steps article:not(:last-child)::after { content: "↓"; }
  .contact { padding: 95px 0; }
  .contact .button { width: 100%; }
  footer { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}