:root {
  --paper: #f4f4ef;
  --surface: #fbfbf8;
  --ink: #151916;
  --muted: #66706a;
  --line: rgba(21, 25, 22, 0.12);
  --blue: #315cf4;
  --blue-soft: #e9eeff;
  --green: #1f7558;
  --green-soft: #e6f2eb;
  --dark: #17201b;
  --radius: 28px;
  --shadow: 0 24px 80px rgba(31, 42, 35, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .32;
  background-image: radial-gradient(rgba(21, 25, 22, .13) .55px, transparent .55px);
  background-size: 8px 8px;
}

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { max-width: 100%; }

.shell {
  width: min(1180px, calc(100% - 44px));
  margin-inline: auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(21, 25, 22, .08);
  background: rgba(244, 244, 239, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-size: 22px;
  font-weight: 840;
  letter-spacing: -.055em;
}

.wordmark small {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #525c56;
  font-size: 13px;
  font-weight: 620;
}

.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--ink); }

.nav-action,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.nav-action {
  padding: 11px 17px;
  color: #fff;
  background: var(--ink);
  font-size: 12px;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr);
  align-items: center;
  gap: 80px;
  padding-block: 100px 68px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: #4f5b54;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6bda8f;
  box-shadow: 0 0 0 5px rgba(107, 218, 143, .15);
}

.hero h1,
.page-hero h1 {
  margin: 0;
  max-width: 880px;
  font-size: clamp(52px, 7vw, 92px);
  font-weight: 690;
  line-height: 1.02;
  letter-spacing: -.075em;
}

.hero h1 em { color: var(--blue); font-style: normal; }

.hero-copy,
.page-hero-copy {
  max-width: 690px;
  margin: 31px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 38px;
}

.button-primary,
.button-secondary { padding: 15px 20px; font-size: 13px; }
.button-primary { color: #fff; background: var(--ink); }
.button-primary:hover { background: #000; }
.button-secondary { border: 1px solid var(--line); background: rgba(255, 255, 255, .46); }

.now-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  background: rgba(251, 251, 248, .72);
  box-shadow: var(--shadow);
}

.now-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--blue-soft);
}

.now-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.now-top span:first-child {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .16em;
}

.now-top span:last-child { color: var(--muted); font-size: 11px; }
.now-list { display: grid; gap: 0; margin-top: 4px; }
.now-item { display: grid; grid-template-columns: 30px 1fr; gap: 13px; padding: 21px 0; }
.now-item + .now-item { border-top: 1px solid var(--line); }
.now-item > span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.now-item strong { display: block; margin-bottom: 6px; font-size: 14px; }
.now-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }

.section { padding-block: 118px; }
.section + .section { border-top: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 46px;
}

.section-index {
  margin: 0 0 15px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
}

.section-head h2,
.split-copy h2,
.contact-panel h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -.06em;
}

.section-head > p { max-width: 420px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.focus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.focus-card {
  position: relative;
  overflow: hidden;
  min-height: 510px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 38px;
  background: var(--surface);
  transition: transform .3s ease, box-shadow .3s ease;
}

.focus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.focus-card.blue { color: #fff; border-color: transparent; background: #234be0; }
.focus-meta { display: flex; align-items: center; justify-content: space-between; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.focus-card.blue .focus-meta { color: #d8e0ff; }
.focus-visual { position: relative; flex: 1; min-height: 190px; }

.orbit,
.coin-stack { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); }
.orbit { width: 180px; height: 180px; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; }
.orbit::before, .orbit::after { content: ""; position: absolute; border-radius: 50%; }
.orbit::before { inset: 34px; border: 1px solid rgba(255,255,255,.32); }
.orbit::after { width: 20px; height: 20px; right: 7px; top: 30px; background: #b9ffdf; box-shadow: -118px 86px 0 #fff; }
.orbit span { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); font-size: 28px; font-weight: 780; }

.coin-stack { width: 190px; height: 160px; }
.coin-stack i { position: absolute; width: 128px; height: 128px; border: 1px solid #8ab7a3; border-radius: 50%; background: rgba(230, 242, 235, .72); }
.coin-stack i:nth-child(1) { left: 0; bottom: 0; }
.coin-stack i:nth-child(2) { right: 0; top: 0; background: rgba(255,255,255,.78); }
.coin-stack::after { content: "$"; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 60px; height: 60px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--green); font-size: 24px; font-weight: 780; }

.focus-card h3 { margin: 0; max-width: 420px; font-size: clamp(32px, 4vw, 48px); line-height: 1.04; letter-spacing: -.055em; }
.focus-card > p { max-width: 440px; margin: 18px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.focus-card.blue > p { color: #cdd7ff; }
.card-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; font-size: 13px; font-weight: 750; }
.card-link span { transition: transform .2s ease; }
.focus-card:hover .card-link span { transform: translateX(5px); }

.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.split-copy p { max-width: 480px; margin: 27px 0 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.timeline { border-top: 1px solid var(--line); }
.timeline article { display: grid; grid-template-columns: 105px 1fr; gap: 25px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.timeline time { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.timeline h3 { margin: 0 0 8px; font-size: 16px; }
.timeline p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.contact-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 60px;
  border-radius: 34px;
  padding: 60px;
  color: #fff;
  background: var(--dark);
}

.contact-panel::after { content: ""; position: absolute; right: -130px; top: -180px; width: 420px; height: 420px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 54px rgba(255,255,255,.025); }
.contact-panel p { max-width: 580px; margin: 20px 0 0; color: #aeb9b2; line-height: 1.8; }
.contact-buttons { position: relative; z-index: 2; display: grid; gap: 10px; min-width: 250px; }
.contact-buttons a, .contact-buttons button { display: flex; align-items: center; justify-content: space-between; gap: 20px; border: 1px solid rgba(255,255,255,.14); border-radius: 15px; padding: 15px 17px; color: #fff; background: rgba(255,255,255,.07); cursor: pointer; font-size: 12px; font-weight: 700; }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 30px 44px; color: var(--muted); font-size: 10px; }
.site-footer p { max-width: 720px; margin: 0; line-height: 1.65; }

/* Inner pages */
.page-hero { padding-block: 110px 90px; }
.page-hero h1 { max-width: 950px; }
.page-hero.ai h1 em { color: var(--blue); font-style: normal; }
.page-hero.stable h1 em { color: var(--green); font-style: normal; }
.page-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 75px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-summary article { padding: 25px 0; }
.page-summary article + article { padding-left: 34px; border-left: 1px solid var(--line); }
.page-summary strong { display: block; font-size: 29px; letter-spacing: -.05em; }
.page-summary span { color: var(--muted); font-size: 11px; }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan-card { min-height: 410px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 25px; padding: 28px; background: var(--surface); }
.plan-card.featured { color: #fff; border-color: transparent; background: #234be0; box-shadow: 0 25px 70px rgba(35, 75, 224, .2); }
.plan-label { align-self: flex-start; border-radius: 999px; padding: 7px 10px; color: var(--muted); background: #eceee9; font-size: 10px; font-weight: 750; }
.featured .plan-label { color: #e5eaff; background: rgba(255,255,255,.12); }
.plan-card h3 { margin: 36px 0 10px; font-size: 18px; }
.price { margin: 0 0 20px; font-size: 48px; font-weight: 730; letter-spacing: -.065em; }
.price small { position: relative; top: -17px; margin-right: 4px; font-size: 14px; letter-spacing: 0; }
.plan-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.featured p { color: #ced7ff; }
.plan-card button { width: 100%; display: flex; align-items: center; justify-content: space-between; margin-top: auto; border: 1px solid var(--line); border-radius: 13px; padding: 14px 16px; background: transparent; cursor: pointer; font-size: 12px; font-weight: 750; }
.featured button { color: #fff; border-color: rgba(255,255,255,.2); }

.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-list article { padding: 36px 34px 36px 0; }
.feature-list article + article { padding-left: 34px; border-left: 1px solid var(--line); }
.feature-list span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.feature-list h3 { margin: 28px 0 11px; font-size: 17px; }
.feature-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.yield-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; border: 1px solid rgba(31,117,88,.18); border-radius: 32px; padding: 48px; background: var(--green-soft); }
.yield-number { align-self: center; }
.yield-number strong { display: block; color: var(--green); font-size: clamp(64px, 9vw, 112px); font-weight: 690; line-height: .95; letter-spacing: -.08em; }
.yield-number span { display: block; margin-top: 16px; color: #456457; font-size: 11px; }
.yield-copy h2 { margin: 0; font-size: 36px; letter-spacing: -.05em; }
.yield-copy p { margin: 20px 0 0; color: #4f665b; font-size: 14px; line-height: 1.9; }
.risk-note { margin-top: 25px; border-top: 1px solid rgba(31,117,88,.2); padding-top: 20px; font-size: 12px !important; }

.topic-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.topic-card { border: 1px solid var(--line); border-radius: 22px; padding: 28px; background: rgba(251,251,248,.62); }
.topic-card span { color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.topic-card h3 { margin: 30px 0 10px; font-size: 20px; letter-spacing: -.03em; }
.topic-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.disclaimer { border-left: 3px solid var(--green); padding: 4px 0 4px 22px; color: var(--muted); font-size: 12px; line-height: 1.85; }

.toast { position: fixed; left: 50%; bottom: 25px; z-index: 100; transform: translate(-50%, 18px); border-radius: 999px; padding: 11px 17px; color: #fff; background: #111; box-shadow: 0 12px 40px rgba(0,0,0,.22); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; font-size: 12px; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

.not-found { min-height: 100vh; display: grid; place-items: center; padding: 30px; text-align: center; }
.not-found strong { display: block; color: var(--blue); font-size: clamp(90px, 20vw, 200px); line-height: .8; letter-spacing: -.1em; }
.not-found h1 { margin: 32px 0 12px; font-size: 32px; }
.not-found p { margin: 0 0 28px; color: var(--muted); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 50px; padding-top: 80px; }
  .now-card { max-width: 560px; }
  .focus-grid, .about-grid, .yield-card { grid-template-columns: 1fr; }
  .about-grid { gap: 55px; }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-buttons { max-width: 370px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-card { min-height: 340px; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav-inner { min-height: 66px; }
  .wordmark small { display: none; }
  .nav-links { display: none; }
  .hero { min-height: auto; padding-block: 75px 56px; }
  .hero h1, .page-hero h1 { font-size: clamp(46px, 14vw, 66px); }
  .hero-copy, .page-hero-copy { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; max-width: 290px; }
  .section { padding-block: 82px; }
  .section-head { display: block; margin-bottom: 30px; }
  .section-head > p { margin-top: 18px; }
  .focus-card { min-height: 450px; padding: 28px; }
  .contact-panel { padding: 36px 25px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .page-hero { padding-block: 75px 65px; }
  .page-summary { grid-template-columns: 1fr; margin-top: 55px; }
  .page-summary article { padding: 18px 0; }
  .page-summary article + article { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .feature-list { grid-template-columns: 1fr; }
  .feature-list article { padding: 27px 0; }
  .feature-list article + article { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .yield-card { gap: 40px; padding: 30px 24px; }
  .topic-grid { grid-template-columns: 1fr; }
  .timeline article { grid-template-columns: 72px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .focus-card, .card-link span { transition: none; }
}