:root {
  --ink: #14202c;
  --muted: #65717d;
  --paper: #f7f5f0;
  --lime: #c9ed4c;
  --line: rgba(20, 32, 44, .14);
  --dark: #14202c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }

.topbar, footer { width: min(1180px, calc(100% - 48px)); margin: auto; display: flex; align-items: center; justify-content: space-between; }
.topbar { height: 84px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: 10px; align-items: center; font-weight: 800; font-size: 18px; letter-spacing: .06em; }
.brand-mark { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 15px; letter-spacing: 0; }
nav { display: flex; gap: 28px; font-size: 14px; color: #46515c; }
nav a { transition: color .2s ease; }
nav a:hover, .text-link:hover { color: #739700; }

main { overflow: hidden; }
.hero { width: min(1180px, calc(100% - 48px)); min-height: 580px; margin: 0 auto; display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
.eyebrow { display: flex; gap: 9px; align-items: center; margin: 0 0 17px; color: #66717c; font-size: 11px; letter-spacing: .15em; font-weight: 700; }
.eyebrow span { display: inline-block; width: 20px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; font-size: clamp(43px, 5vw, 72px); line-height: 1.04; letter-spacing: -.065em; }
.lead { max-width: 470px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; gap: 25px; align-items: center; margin-top: 34px; }
.button { display: inline-flex; gap: 28px; align-items: center; padding: 15px 19px; background: var(--ink); color: white; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { background: #2c3c4b; transform: translateY(-2px); }
.button b { color: var(--lime); font-size: 20px; font-weight: 400; }
.text-link { border-bottom: 1px solid var(--ink); padding-bottom: 4px; font-size: 14px; font-weight: 700; transition: color .2s ease; }
.text-link span { margin-left: 6px; }

.hero-art { position: relative; justify-self: end; width: min(430px, 100%); aspect-ratio: 1; border-radius: 50%; background: #e5e4dc; overflow: hidden; }
.orbit { position: absolute; border: 1px solid rgba(20, 32, 44, .14); border-radius: 50%; }
.orbit-one { inset: 49px; }
.orbit-two { inset: 95px; border-style: dashed; }
.orb-core { position: absolute; inset: 132px; display: flex; flex-direction: column; justify-content: center; align-items: center; border-radius: 50%; background: var(--lime); color: var(--ink); box-shadow: 0 18px 35px rgba(40, 51, 19, .12); }
.orb-core span { font-size: 57px; font-weight: 800; letter-spacing: -.1em; line-height: .7; }
.orb-core small { margin-top: 14px; font-size: 12px; letter-spacing: .4em; font-weight: 700; }
.signal { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--ink); }
.signal-one { top: 83px; right: 108px; box-shadow: 0 0 0 8px rgba(20, 32, 44, .08); }
.signal-two { left: 65px; bottom: 109px; width: 7px; height: 7px; background: #91ad2c; }
.status { position: absolute; left: 31px; bottom: 29px; margin: 0; font-size: 12px; color: #52606d; background: rgba(247,245,240,.82); padding: 9px 12px; backdrop-filter: blur(6px); }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #84ad10; }

.section { padding: 105px max(24px, calc((100% - 1180px) / 2)); background: white; }
.section-heading { max-width: 550px; }
.section-heading h2, .support h2 { margin-bottom: 13px; font-size: clamp(33px, 3.3vw, 48px); line-height: 1.08; letter-spacing: -.05em; }
.section-heading > p:last-child { color: var(--muted); line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 48px; background: var(--line); border: 1px solid var(--line); }
.feature-card { position: relative; min-height: 300px; padding: 29px; background: white; }
.feature-card.featured { background: #edf6cf; }
.card-number { color: #84909a; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.card-icon { margin: 45px 0 20px; font-size: 35px; line-height: 1; }
.feature-card h3 { margin-bottom: 8px; font-size: 20px; letter-spacing: -.035em; }
.feature-card p { max-width: 260px; margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.card-line { position: absolute; right: 29px; bottom: 33px; width: 32px; height: 1px; background: currentColor; }

.process { padding: 104px max(24px, calc((100% - 1180px) / 2)); background: var(--dark); color: white; }
.light .eyebrow { color: #a6b4c1; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding: 0; margin: 56px 0 0; list-style: none; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 13px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.22); }
.steps b { color: var(--lime); font-size: 13px; letter-spacing: .1em; }
.steps h3 { margin-bottom: 10px; font-size: 19px; }
.steps p { color: #b7c0c8; font-size: 14px; line-height: 1.7; }

.support { width: min(1180px, calc(100% - 48px)); min-height: 300px; margin: auto; display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: center; }
.support > p { max-width: 360px; margin: 30px 0 0; color: var(--muted); line-height: 1.8; }
footer { min-height: 105px; border-top: 1px solid var(--line); color: #68747f; font-size: 12px; }
footer .brand { color: var(--ink); }

@media (max-width: 760px) {
  .topbar, footer, .hero, .support { width: min(100% - 36px, 580px); }
  .topbar { height: 68px; } nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 66px 0 60px; gap: 38px; }
  h1 { font-size: 47px; }.hero-art { width: min(100%, 360px); justify-self: center; }
  .orb-core { inset: 30.7%; }.section, .process { padding-top: 70px; padding-bottom: 70px; }
  .feature-grid, .steps { grid-template-columns: 1fr; }.feature-card { min-height: 245px; }
  .steps { gap: 22px; margin-top: 40px; }.support { grid-template-columns: 1fr; gap: 0; padding: 69px 0; }
  footer { min-height: 130px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 14px; }
}
