:root {
  --bg: #0a0d0b;
  --surface: #111613;
  --surface-2: #151b17;
  --line: #29332d;
  --line-soft: #1d251f;
  --text: #f2f5f3;
  --muted: #a4aea9;
  --muted-2: #7f8b85;
  --mint: #75f0a9;
  --mint-ink: #062015;
  --container: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
p, h1, h2, h3, ul, ol { margin-top: 0; }
h1, h2, h3 { margin-bottom: 0; font-weight: 680; letter-spacing: -0.04em; }
h1 { max-width: 780px; font-size: clamp(3rem, 6.5vw, 5.35rem); line-height: 0.97; }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); line-height: 1.04; }
h3 { font-size: 1.18rem; line-height: 1.2; }

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-180%);
  border-radius: 6px;
  background: var(--mint);
  color: var(--mint-ink);
  font-weight: 750;
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 4px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line-soft);
  background: rgb(10 13 11 / 97%);
}

.header-inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  gap: 30px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--mint);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: -0.08em;
}

nav { display: flex; gap: 26px; margin-left: auto; }
nav a, .text-link {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}
nav a:hover, .text-link:hover { color: var(--text); }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); background: #1a221d; }
.button-small { min-height: 40px; padding-inline: 16px; font-size: 0.82rem; }
.button-primary {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--mint-ink);
  box-shadow: 0 12px 34px rgb(117 240 169 / 12%);
}
.button-primary:hover { background: #98f5bd; }

.cta-glow {
  animation: cta-glow 2.6s ease-in-out infinite;
}

@keyframes cta-glow {
  0%, 100% { box-shadow: 0 10px 28px rgb(117 240 169 / 18%); }
  50% { box-shadow: 0 12px 42px rgb(117 240 169 / 48%), 0 0 0 4px rgb(117 240 169 / 9%); }
}

.hero { padding-top: 82px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  align-items: center;
  gap: clamp(44px, 6vw, 72px);
}

.eyebrow, .kicker, .product-card-top, .feature-grid article > span {
  color: var(--mint);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; }
.eyebrow > span { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.lede { max-width: 720px; margin: 28px 0 0; color: #cbd2ce; font-size: 1.2rem; line-height: 1.52; }
.support-copy { max-width: 700px; margin: 16px 0 0; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 30px; }

.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.product-card-top { display: flex; justify-content: space-between; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.product-card-top span:last-child { color: var(--muted-2); }
.rename { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; padding: 34px 24px; }
.rename div:last-child { text-align: right; }
.rename small { display: block; color: var(--muted-2); font-family: ui-monospace, monospace; font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; }
.rename strong { display: block; margin-top: 5px; color: var(--muted); font-family: ui-monospace, monospace; font-size: clamp(1.15rem, 3vw, 1.55rem); line-height: 1; text-decoration: line-through; }
.rename div:last-child strong { color: var(--mint); text-decoration: none; }
.rename > span { color: var(--muted-2); font-size: 1rem; }
.product-card ul { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.product-card li { padding: 16px 18px; color: #d9dfdc; font-size: 0.88rem; }
.product-card li:nth-child(even) { border-left: 1px solid var(--line-soft); }
.product-card li:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
.product-card li span { margin-right: 9px; color: var(--mint); font-family: ui-monospace, monospace; font-size: 0.64rem; }

.section { padding: 92px 0; }
.section-dark { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: #0d110f; }
.kicker { margin-bottom: 18px; }
.section-heading { display: grid; grid-template-columns: 1fr 0.9fr; gap: 80px; align-items: end; }
.section-heading > p { margin: 0; color: var(--muted); }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 48px; border: 1px solid var(--line); }
.feature-grid article { min-height: 205px; padding: 26px; background: rgb(17 22 19 / 45%); }
.feature-grid article:nth-child(even) { border-left: 1px solid var(--line); }
.feature-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
.feature-grid h3 { margin-top: 34px; }
.feature-grid p { margin: 12px 0 0; color: var(--muted); font-size: 0.92rem; }
.feature-note { margin-top: 22px; color: var(--muted); font-size: 0.86rem; }
.feature-note strong { color: var(--text); }

.section-compact { padding-top: 72px; border-top: 1px solid var(--line-soft); }
.use-case-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(48px, 9vw, 110px); align-items: start; }
.use-case-heading > p:not(.kicker) { margin: 22px 0 0; color: var(--muted); }
.use-case-list { border-top: 1px solid var(--line); }
.use-case-list article { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.use-case-list article > span { color: var(--mint); font-family: ui-monospace, monospace; font-size: 0.68rem; }
.use-case-list h3 { letter-spacing: -0.025em; }
.use-case-list p { margin: 8px 0 0; color: var(--muted); font-size: 0.88rem; }

.mobile-section { border-top: 1px solid var(--line-soft); background: var(--surface); }
.mobile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 9vw, 110px); align-items: start; }
.mobile-copy p:not(.kicker) { margin: 22px 0 0; color: var(--muted); }
.device-list { border-top: 1px solid var(--line); }
.device-list > div { padding: 22px 0; border-bottom: 1px solid var(--line); }
.device-list span { display: block; color: var(--mint); font-family: ui-monospace, monospace; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.device-list strong { display: block; margin-top: 9px; font-size: 1rem; }
.device-list p { margin: 7px 0 0; color: var(--muted); font-size: 0.88rem; }

.rebrand-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 9vw, 110px); align-items: start; }
.rebrand-copy h2 { max-width: 520px; }
.rebrand-copy p:not(.kicker) { margin: 22px 0 0; color: var(--muted); }
.rebrand-copy strong { color: var(--text); }
.address-list { border-top: 1px solid var(--line); }
.address-list > div { padding: 19px 0; border-bottom: 1px solid var(--line); }
.address-list code { color: var(--mint); font-family: ui-monospace, monospace; font-size: 0.82rem; }
.address-list p { margin: 7px 0 0; color: var(--muted); font-size: 0.86rem; }
.address-list strong { color: var(--text); }

.cashback-panel { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 72px; align-items: center; margin-top: 74px; padding: 42px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cashback-panel h2 { max-width: 410px; font-size: clamp(2rem, 4vw, 2.8rem); }
.cashback-panel > p { margin: 0; color: var(--muted); }

.start-block { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 72px; margin-top: 74px; padding-top: 64px; border-top: 1px solid var(--line); }
.start-heading h2 { font-size: clamp(1.9rem, 3.5vw, 2.65rem); }
.start-block ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 0; padding: 0; list-style: none; }
.start-block li span { display: grid; width: 32px; height: 32px; place-items: center; border: 1px solid #385043; border-radius: 50%; color: var(--mint); font-family: ui-monospace, monospace; font-size: 0.7rem; }
.start-block li p { margin: 13px 0 0; color: var(--muted); font-size: 0.86rem; }
.start-block li strong { color: var(--text); }

.faq-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 80px; align-items: start; }
.faq-heading > p:last-child { max-width: 350px; margin: 20px 0 0; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 66px; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0; cursor: pointer; font-weight: 680; line-height: 1.35; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--mint); font-family: ui-monospace, monospace; font-size: 1.1rem; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -2px 42px 20px 0; color: var(--muted); font-size: 0.9rem; }

.final-cta { padding: 68px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.final-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.final-cta h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.final-cta p:not(.kicker) { margin: 12px 0 0; color: var(--muted); }
.final-cta .button { min-width: 190px; }

.persistent-cta {
  position: fixed;
  z-index: 60;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px;
  border: 1px solid #344239;
  border-radius: 12px;
  background: rgb(17 22 19 / 97%);
  box-shadow: 0 18px 60px rgb(0 0 0 / 54%);
}

.persistent-cta > span {
  max-width: 108px;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.35;
}

.persistent-cta > span strong {
  display: block;
  color: var(--mint);
  font-size: 0.78rem;
}

.persistent-cta .button {
  min-width: 174px;
}

.site-footer { padding: 52px 0 110px; }
.footer-inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px; align-items: start; }
.footer-inner > div > p, .footer-note { margin: 14px 0 0; color: var(--muted); font-size: 0.76rem; }
.footer-note { margin-top: 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--line-soft); color: var(--muted-2); font-family: ui-monospace, monospace; font-size: 0.64rem; letter-spacing: 0.05em; text-transform: uppercase; }

@media (max-width: 900px) {
  nav { display: none; }
  .header-inner .button { margin-left: auto; }
  .hero-grid, .section-heading, .use-case-grid, .mobile-grid, .rebrand-grid, .cashback-panel, .start-block, .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-card { width: min(100%, 600px); }
  .start-block ol { grid-template-columns: repeat(3, 1fr); }
  .cashback-panel { align-items: start; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  body { padding-bottom: calc(82px + env(safe-area-inset-bottom)); font-size: 16px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .wordmark > span:last-child { display: none; }
  .site-footer .wordmark > span:last-child { display: inline; }
  .header-inner { min-height: 62px; }
  .hero { padding-top: 56px; }
  h1 { font-size: 2.65rem; }
  .lede { font-size: 1.06rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 14px; }
  .hero-actions .button { width: 100%; }
  .text-link { text-align: center; }
  .rename { gap: 12px; padding: 32px 18px; }
  .rename strong { font-size: clamp(1.65rem, 11vw, 2.65rem); }
  .product-card ul { grid-template-columns: 1fr 1fr; }
  .product-card li { border-top: 1px solid var(--line-soft); border-left: 0; }
  .product-card li:nth-child(even) { border-left: 1px solid var(--line-soft); }
  .product-card li:nth-child(-n+2) { border-top: 0; }
  .section { padding: 68px 0; }
  .section-compact { padding-top: 58px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 0; }
  .feature-grid article:nth-child(even) { border-left: 0; }
  .feature-grid article:nth-child(n+2) { border-top: 1px solid var(--line); }
  .start-block { margin-top: 56px; padding-top: 50px; }
  .cashback-panel { margin-top: 56px; padding: 34px 0; }
  .start-block ol { grid-template-columns: 1fr; gap: 22px; }
  .start-block li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start; }
  .start-block li p { margin: 4px 0 0; }
  .final-cta-inner { grid-template-columns: 1fr; }
  .final-cta .button { width: 100%; }
  .persistent-cta {
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: minmax(86px, 0.7fr) minmax(178px, 1.3fr);
    gap: 10px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
  }
  .persistent-cta > span { max-width: none; font-size: 0.65rem; }
  .persistent-cta > span strong { font-size: 0.75rem; }
  .persistent-cta .button { min-width: 0; min-height: 54px; padding-inline: 16px; }
  .site-footer { padding-bottom: 26px; }
  .footer-bottom { flex-direction: column; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
}
