:root {
  --ink: #1d2530;
  --muted: #66717f;
  --line: #e3e8ee;
  --green: #14805e;
  --green-dark: #0c6549;
  --blue: #4169e1;
  --blue-soft: #eef3ff;
  --mint: #edf8f3;
  --cream: #ffffff;
  --panel: #ffffff;
  --lime: #c7ff58;
  --shadow: 0 22px 60px rgba(18, 55, 44, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.pageWidth { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.siteHeader {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 10px max(20px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(220, 231, 226, 0.86);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; }
.brandMark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(145deg, var(--green), #119e78);
  box-shadow: 0 10px 24px rgba(11, 122, 93, 0.24);
  font-weight: 900;
}
.brand strong, .brand small { display: block; line-height: 1.05; }
.brand small { margin-top: 4px; color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a, .textButton { padding: 8px 12px; border-radius: 9px; color: var(--muted); font-size: 14px; font-weight: 700; }
.nav a:hover, .textButton:hover { color: var(--green-dark); background: var(--mint); }
.headerActions { justify-self: end; display: flex; align-items: center; gap: 8px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--green);
  box-shadow: 0 14px 28px rgba(11, 122, 93, 0.18);
  cursor: pointer;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.button:hover { background: var(--green-dark); transform: translateY(-1px); box-shadow: 0 18px 34px rgba(11, 122, 93, 0.24); }
.button:disabled { opacity: .6; cursor: wait; transform: none; }
.button.small { min-height: 42px; padding-inline: 18px; font-size: 14px; }
.button.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); box-shadow: none; }
.button.dark { background: var(--ink); box-shadow: 0 14px 28px rgba(16, 32, 28, 0.16); }
.button.full { width: 100%; }

.hero { padding-block: 74px 64px; }
.hero.heroCentered { min-height: auto; display: flex; align-items: center; flex-direction: column; gap: 48px; text-align: center; }
.heroCentered .heroCopy { max-width: 860px; }
.pill, .eyebrow {
  display: inline-flex;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.pill { padding: 7px 12px; border: 1px solid #bfe2d5; border-radius: 999px; background: var(--mint); letter-spacing: .03em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 22px 0 20px; font-size: clamp(48px, 5.4vw, 72px); line-height: 1.05; letter-spacing: -.045em; }
h1 em { color: var(--green); font-style: normal; }
h2 { margin-bottom: 14px; font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.025em; }
h3 { margin-bottom: 8px; font-size: 21px; }
.lead { max-width: 680px; margin: 0 auto 28px; color: var(--muted); font-size: 19px; }
.heroActions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.heroNote { margin: 0; color: var(--muted); font-size: 13px; }
.heroNote span { margin-right: 7px; color: var(--green); font-weight: 900; }
.checkList { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
.checkList li::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 900; }
.heroVisual { position: relative; width: min(100%, 1020px); overflow: hidden; border: 1px solid #e5ebe7; border-radius: 34px; box-shadow: 0 28px 70px rgba(40, 59, 52, .13); background: #f0f3ef; }
.heroVisual img { width: 100%; height: auto; display: block; object-fit: cover; }
.statusCard {
  position: absolute;
  z-index: 2;
  left: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 14px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 12px 28px rgba(10, 48, 37, .16);
}
.statusCard small, .statusCard strong { display: block; }
.statusCard small { color: var(--muted); }
.statusDot { width: 11px; height: 11px; border-radius: 50%; background: #18a676; box-shadow: 0 0 0 6px rgba(24,166,118,.14); }

.quickFacts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f8fafb;
}
.quickFacts div { min-height: 112px; display: grid; place-content: center; text-align: center; border-right: 1px solid var(--line); }
.quickFacts div:last-child { border-right: 0; }
.quickFacts strong { font-size: 24px; }
.quickFacts span { color: var(--muted); font-size: 13px; }

.deviceBand { background: #fff; }
.deviceBandInner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.deviceBandInner > span { color: var(--muted); font-size: 13px; font-weight: 800; }
.deviceList { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.deviceList b { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 13px; }

.section { padding-block: 108px; }
.section.soft { background: #eff7f3; border-block: 1px solid var(--line); }
.sectionHead { max-width: 680px; margin-bottom: 36px; }
.sectionHead.centered { margin-inline: auto; text-align: center; }
.wideHead { max-width: 760px; }
.sectionHead p, .pricingNote, .buyIntro > p, .downloadCard p { color: var(--muted); }

.featureGrid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.featureCard { position: relative; min-height: 340px; padding: 34px; overflow: hidden; border: 0; border-radius: 28px; background: #f4f7f6; box-shadow: none; }
.featureLarge { min-height: 340px; display: flex; flex-direction: column; background: linear-gradient(145deg, #eef8f4, #f9fcfb); }
.featureIcon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 34px; border-radius: 14px; color: var(--green-dark); background: var(--mint); font-size: 22px; font-weight: 900; }
.featureTag { color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: .08em; }
.featureCard h3 { margin-top: 7px; font-size: 26px; }
.featureCard p { max-width: 520px; margin-bottom: 0; color: var(--muted); }
.gameCard { color: var(--ink); background: var(--blue-soft); }
.gameCard .featureIcon { color: var(--blue); background: #fff; }
.gameCard .featureTag { color: var(--blue); }
.gameCard p { color: var(--muted); }
.routeMini { margin-top: auto; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 12px; padding: 24px; border: 1px solid #cfe6dc; border-radius: 18px; background: rgba(255,255,255,.8); font-size: 12px; font-weight: 800; }
.routeMini i { width: 14px; height: 14px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 7px rgba(11,122,93,.12); }
.routeMini em { height: 2px; background: linear-gradient(90deg, var(--green), #8fd8be); }
.routePreview { margin-top: auto; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 14px; padding: 24px; border-radius: 18px; background: #fff; color: var(--muted); font-size: 12px; font-weight: 800; box-shadow: 0 18px 42px rgba(29,72,57,.09); }
.routePreview i { height: 2px; background: linear-gradient(90deg, #b9d9cc, var(--green)); }
.routePreview b { padding: 9px 13px; border-radius: 999px; color: var(--green-dark); background: var(--mint); }
.latencyBadge { position: absolute; right: 28px; bottom: 26px; display: grid; padding: 13px 16px; border: 1px solid #d9e2fb; border-radius: 14px; background: #fff; box-shadow: 0 12px 30px rgba(55,83,160,.1); }
.latencyBadge strong { color: var(--blue); font-size: 18px; }
.latencyBadge span { color: var(--muted); font-size: 11px; }

.experienceSection { color: var(--ink); background: #f2f6ff; }
.experienceLayout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(44px, 8vw, 100px); align-items: center; }
.experienceCopy .eyebrow { color: var(--blue); }
.experienceCopy > p { color: var(--muted); font-size: 18px; }
.scenarioList { display: grid; margin: 30px 0; border-top: 1px solid #d5def0; }
.scenarioList div { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid #d5def0; }
.scenarioList span { color: var(--blue); font-size: 12px; font-weight: 900; }
.scenarioList p { margin: 0; color: var(--muted); }
.scenarioList strong { display: block; color: var(--ink); }
.connectionPanel { position: relative; padding: 28px; border: 1px solid #dbe4f7; border-radius: 28px; background: radial-gradient(circle at 50% 40%, #eff4ff, #fff 66%); box-shadow: 0 28px 70px rgba(65,105,225,.13); }
.panelTop, .panelStats, .panelRoute { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.panelTop { color: var(--muted); font-size: 13px; }
.panelTop i { width: 8px; height: 8px; display: inline-block; margin-right: 7px; border-radius: 50%; background: var(--green); }
.panelTop b { padding: 5px 10px; border-radius: 999px; color: var(--green-dark); background: var(--mint); font-size: 11px; }
.signalOrb { width: 250px; height: 250px; display: grid; place-content: center; margin: 42px auto; text-align: center; border: 1px solid rgba(65,105,225,.32); border-radius: 50%; box-shadow: inset 0 0 60px rgba(65,105,225,.06), 0 0 0 18px rgba(65,105,225,.025), 0 0 0 36px rgba(65,105,225,.018); }
.signalOrb span, .signalOrb small { color: var(--muted); }
.signalOrb strong { margin: 4px 0; color: var(--blue); font-size: 36px; }
.panelStats { padding: 17px; border-radius: 16px; background: #f4f7fc; }
.panelStats div { display: grid; gap: 3px; }
.panelStats div:last-child { text-align: right; }
.panelStats span { color: var(--muted); font-size: 11px; }
.panelRoute { margin-top: 18px; color: var(--muted); font-size: 11px; }
.panelRoute i { flex: 1; height: 1px; background: linear-gradient(90deg, #cad6ef, var(--blue), #cad6ef); }
.pricingGrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.priceCard {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(20, 62, 49, .07);
}
.priceCard.recommended { border: 2px solid var(--green); transform: translateY(-8px); box-shadow: 0 24px 48px rgba(11, 122, 93, .14); }
.recommendTag { position: absolute; top: 14px; right: 14px; padding: 4px 9px; border-radius: 999px; color: var(--green-dark); background: var(--mint); font-size: 12px; font-weight: 800; }
.priceCard .traffic { font-size: 32px; font-weight: 900; letter-spacing: -.03em; }
.priceCard .traffic small { color: var(--muted); font-size: 15px; }
.priceCard .price { margin: 22px 0 6px; font-size: 38px; font-weight: 900; }
.priceCard .price small { color: var(--muted); font-size: 14px; font-weight: 600; }
.priceCard .oldPrice { min-height: 24px; color: var(--muted); font-size: 13px; }
.priceCard .oldPrice del { margin-right: 6px; }
.priceCard .button { margin-top: auto; }
.loadingCard { grid-column: 1 / -1; padding: 40px; border: 1px dashed var(--line); border-radius: 16px; text-align: center; color: var(--muted); }
.pricingNote { margin: 24px auto 0; text-align: center; font-size: 14px; }

.valueBand { border-block: 1px solid var(--line); background: #fff; }
.valueGrid { display: grid; grid-template-columns: repeat(3, 1fr); }
.valueGrid div { min-height: 112px; display: grid; place-content: center; padding: 22px; text-align: center; border-right: 1px solid var(--line); }
.valueGrid div:last-child { border-right: 0; }
.valueGrid strong { font-size: 18px; }
.valueGrid span { color: var(--muted); font-size: 13px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.steps article { padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.86); }
.steps article > span { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 13px; color: #fff; background: var(--green); font-weight: 900; }
.steps p { margin-bottom: 0; color: var(--muted); }

.accountSection { display: grid; grid-template-columns: .68fr 1.32fr; gap: clamp(30px, 6vw, 80px); align-items: start; }
.formGrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.formCard, .checkoutCard {
  display: grid;
  gap: 15px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(20, 62, 49, .08);
}
.formCard.featured { border-top: 4px solid var(--green); }
.formTitle span { color: var(--green); font-size: 12px; font-weight: 900; }
.formTitle h3 { margin: 2px 0 0; }
label { display: grid; gap: 7px; color: #41524c; font-size: 13px; font-weight: 700; }
input {
  width: 100%;
  min-height: 46px;
  padding: 0 13px;
  border: 1px solid #cfdcd6;
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  outline: none;
}
input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(11,122,93,.1); }
.formHint { margin: -2px 0 0; color: var(--muted); font-size: 12px; }
.formMessage { min-height: 22px; color: #a83c25; font-size: 13px; }
.formMessage.success { color: var(--green-dark); }
.resultBox { padding: 14px; border: 1px solid #bfe2d5; border-radius: 12px; background: var(--mint); color: var(--green-dark); }
.resultBox strong { display: block; margin-bottom: 5px; }

.buySection { color: #fff; background: #0f211c; }
.buyLayout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(36px, 7vw, 90px); align-items: center; }
.buyIntro .eyebrow { color: #72d5b5; }
.buyIntro > p { color: #afc3bc; }
.secureNote { display: grid; gap: 4px; margin-top: 28px; padding: 16px; border: 1px solid #2c493f; border-radius: 14px; background: #162d25; }
.secureNote span { color: #afc3bc; font-size: 13px; }
.checkoutCard { color: var(--ink); }
.checkoutCard fieldset { margin: 0; padding: 0; border: 0; }
.checkoutCard legend { margin-bottom: 8px; color: #41524c; font-size: 13px; font-weight: 700; }
.tierChoices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.tierChoice { position: relative; display: block; cursor: pointer; }
.tierChoice input { position: absolute; opacity: 0; pointer-events: none; }
.tierChoice span { min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.tierChoice input:checked + span { border-color: var(--green); background: var(--mint); box-shadow: 0 0 0 2px rgba(11,122,93,.1); }
.tierChoice b { color: var(--green-dark); }
.orderSummary { display: flex; align-items: center; justify-content: space-between; padding: 15px; border-radius: 12px; background: #f3f7f5; }
.orderSummary strong { font-size: 26px; }

.downloadCard { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 42px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(135deg, #fff, #edf7f2); box-shadow: var(--shadow); }
.downloadCard h2 { margin-bottom: 8px; }
.downloadCard p { margin-bottom: 0; }
.useCases { padding-top: 28px; }
.promiseGrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.promiseGrid article { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.promiseGrid article > span { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 50%; color: var(--green-dark); background: var(--mint); font-weight: 900; }
.promiseGrid p { margin-bottom: 0; color: var(--muted); }
.finalCta { padding-block: 28px 96px; }
.finalCtaInner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 52px; border-radius: 28px; color: #fff; background: linear-gradient(130deg, #3158cf, #5578e6); box-shadow: 0 24px 60px rgba(49,88,207,.22); }
.finalCtaInner .eyebrow { color: var(--lime); }
.finalCtaInner h2 { max-width: 650px; margin-bottom: 8px; }
.finalCtaInner p { margin-bottom: 0; color: #c5ddd5; }
.finalCtaActions { display: flex; flex-shrink: 0; gap: 10px; }
.finalCtaActions .button { color: var(--ink); background: var(--lime); box-shadow: none; }
.finalCtaActions .button.secondary { color: #fff; background: transparent; border-color: rgba(255,255,255,.35); }
.faqList { width: min(820px, 100%); margin-inline: auto; display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 14px; background: #fff; }
summary { padding: 18px 20px; cursor: pointer; font-weight: 800; }
details p { padding: 0 20px 18px; margin: 0; color: var(--muted); }
footer { border-top: 1px solid var(--line); background: #fff; }
.footerGrid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 56px; padding-block: 60px 46px; }
.footerGrid > div:not(.footerBrand) { display: grid; align-content: start; gap: 10px; font-size: 14px; }
.footerGrid > div:not(.footerBrand) > strong { margin-bottom: 5px; }
.footerGrid a:not(.brand) { color: var(--muted); }
.footerGrid a:hover { color: var(--green); }
.footerBrand p { max-width: 330px; margin: 20px 0 0; color: var(--muted); }
.footerBottom { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

@media (max-width: 980px) {
  .siteHeader { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .hero { padding-top: 54px; }
  .pricingGrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .priceCard.recommended { transform: none; }
  .accountSection, .buyLayout { grid-template-columns: 1fr; }
  .accountSection .sectionHead { margin-bottom: 0; }
  .experienceLayout { grid-template-columns: 1fr; }
  .featureGrid { grid-template-columns: 1fr; }
  .featureLarge { min-height: 360px; }
  .finalCtaInner { align-items: flex-start; flex-direction: column; }
  .footerGrid { grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; }
}

@media (max-width: 680px) {
  .pageWidth { width: min(100% - 28px, 1160px); }
  .siteHeader { min-height: 64px; padding-inline: 14px; }
  .brandMark { width: 38px; height: 38px; }
  .textButton { display: none; }
  .headerActions .button { min-height: 40px; padding-inline: 13px; }
  h1 { font-size: clamp(42px, 14vw, 62px); }
  h2 { font-size: 32px; }
  .hero { min-height: auto; padding-block: 42px 36px; gap: 30px; }
  .heroVisual { border-radius: 20px; }
  .statusCard { left: 14px; right: 14px; bottom: 14px; }
  .quickFacts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quickFacts div:nth-child(2) { border-right: 0; }
  .quickFacts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .deviceBandInner { align-items: flex-start; flex-direction: column; padding-block: 22px; }
  .deviceList { justify-content: flex-start; }
  .section { padding-block: 66px; }
  .pricingGrid, .steps, .formGrid { grid-template-columns: 1fr; }
  .promiseGrid, .valueGrid { grid-template-columns: 1fr; }
  .valueGrid div { min-height: 90px; border-right: 0; border-bottom: 1px solid var(--line); }
  .valueGrid div:last-child { border-bottom: 0; }
  .featureCard { padding: 23px; }
  .featureLarge { min-height: 410px; }
  .routePreview { grid-template-columns: auto 1fr auto; padding: 17px; }
  .routePreview i:last-of-type, .routePreview span:last-child { display: none; }
  .latencyBadge { position: static; margin-top: 24px; }
  .connectionPanel { padding: 20px; border-radius: 22px; }
  .signalOrb { width: 210px; height: 210px; margin-block: 36px; }
  .signalOrb strong { font-size: 30px; }
  .priceCard { min-height: 260px; }
  .formCard, .checkoutCard { padding: 20px; }
  .tierChoices { grid-template-columns: 1fr; }
  .downloadCard { align-items: stretch; flex-direction: column; padding: 28px; }
  .finalCta { padding-bottom: 66px; }
  .finalCtaInner { padding: 30px 24px; }
  .finalCtaActions { width: 100%; flex-direction: column; }
  .footerGrid { grid-template-columns: repeat(2, 1fr); padding-block: 44px 32px; }
  .footerBrand { grid-column: 1 / -1; }
  .footerBottom { align-items: flex-start; flex-direction: column; padding-block: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
