:root {
  --ink: #13211f;
  --muted: #5a6764;
  --paper: #f5f6f2;
  --white: #ffffff;
  --line: #ced8d4;
  --green: #176e5c;
  --green-dark: #0d4d40;
  --mint: #dceee7;
  --red: #c94a43;
  --yellow: #f2b84b;
  --blue: #4e75b9;
  --shadow: 0 20px 60px rgba(18, 37, 33, 0.14);
  font-family: Inter, "Segoe UI", "Noto Sans", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); line-height: 1.55; }
body, button, a { letter-spacing: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 68px;
  padding: 0 5vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(19, 33, 31, 0.12);
  background: rgba(245, 246, 242, 0.94);
  backdrop-filter: blur(14px);
}

.brand { display: inline-flex; width: fit-content; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; font-size: 18px; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.desktop-nav { display: flex; gap: 30px; font-size: 14px; font-weight: 650; }
.desktop-nav a, .text-link, .footer-links a { text-decoration: none; }
.desktop-nav a:hover, .footer-links a:hover { color: var(--green); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }

.button, .lang-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--green);
  border-radius: 6px;
  background: var(--green);
  color: white;
  padding: 0 20px;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.button:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); }
.button-small { min-height: 38px; padding: 0 15px; }
.button-wide { width: 100%; }
.lang-toggle { min-height: 38px; padding: 0 12px; border-color: var(--line); background: transparent; color: var(--ink); }
.lang-toggle:hover { border-color: var(--ink); }

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 68px));
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #e9eeeb;
}
.hero-product-shot {
  position: absolute;
  z-index: 0;
  width: min(74vw, 1180px);
  right: -7vw;
  top: 11%;
  box-shadow: var(--shadow);
  border: 1px solid #b8c3bf;
}
.hero-scrim {
  position: absolute;
  inset: 0 auto 0 0;
  width: 58%;
  z-index: 1;
  background: rgba(233, 238, 235, .96);
}
.hero-content { position: relative; z-index: 2; width: min(650px, 88vw); margin-left: max(5vw, calc((100vw - 1440px) / 2)); padding: 84px 0 108px; }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 12px; line-height: 1.2; font-weight: 850; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(64px, 8vw, 124px); line-height: .9; font-weight: 700; }
.hero-lead { max-width: 610px; margin: 32px 0 12px; font-size: clamp(24px, 2.3vw, 38px); line-height: 1.14; font-weight: 720; }
.hero-copy { max-width: 560px; margin: 0; color: #3f4d49; font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.text-link { font-weight: 750; border-bottom: 1px solid currentColor; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 26px; padding: 0; margin: 38px 0 0; list-style: none; font-size: 13px; font-weight: 700; }
.hero-facts li::before { content: "✓"; color: var(--green); margin-right: 7px; }

.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--ink); color: white; padding: 24px 5vw; }
.trust-strip div { padding: 6px 26px; border-left: 1px solid rgba(255,255,255,.18); }
.trust-strip div:first-child { border-left: 0; padding-left: 0; }
.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { font-size: 15px; }
.trust-strip span { margin-top: 3px; color: #b9c7c3; font-size: 12px; }

.section { padding: 112px max(5vw, calc((100vw - 1440px) / 2)); }
.section-heading { max-width: 840px; margin-bottom: 54px; }
.section-heading.compact { margin-bottom: 34px; }
.section h2 { margin: 0; max-width: 850px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(38px, 4.3vw, 68px); line-height: 1.05; }
.section-heading > p:last-child { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 18px; }

.features { background: var(--white); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { min-height: 240px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-number { color: var(--green); font-size: 12px; font-weight: 850; }
.feature-grid h3 { margin: 36px 0 9px; font-size: 21px; }
.feature-grid p { margin: 0; color: var(--muted); }

.interface { background: #edf1ef; }
.product-window { margin: 0; }
.product-window img, .input-window img { width: 100%; border: 1px solid #b8c3bf; box-shadow: var(--shadow); }
.product-window figcaption { max-width: 680px; margin: 20px 0 0 auto; color: var(--muted); font-size: 14px; }
.controls-showcase { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(560px, 1.25fr); gap: 70px; align-items: center; margin-top: 120px; }
.controls-copy h2 { margin-bottom: 24px; font-size: clamp(36px, 4vw, 62px); }
.controls-copy > p:not(.eyebrow) { color: var(--muted); font-size: 17px; }
.input-window { margin: 0; }
.check-list { padding: 0; margin: 26px 0 0; list-style: none; }
.check-list li { position: relative; padding: 10px 0 10px 27px; border-bottom: 1px solid var(--line); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }

.arcade-band { min-height: 360px; padding: 50px 5vw; display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; overflow: hidden; background: var(--ink); color: white; }
.arcade-band p { max-width: 570px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(32px, 4vw, 62px); line-height: 1.08; }
.arcade-art { display: flex; align-items: center; justify-content: center; gap: clamp(6px, 2vw, 24px); }
.arcade-art img { width: clamp(70px, 8vw, 126px); height: clamp(70px, 8vw, 126px); object-fit: contain; }
.arcade-art .stick { width: clamp(140px, 17vw, 250px); height: clamp(140px, 17vw, 250px); margin-right: 12px; }

.how { background: var(--white); }
.steps { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 72px 1fr; gap: 26px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.steps > li > span { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--green); border-radius: 50%; color: var(--green); font-weight: 850; }
.steps h3 { margin: 0 0 5px; font-size: 20px; }
.steps p { margin: 0; color: var(--muted); }
.note { margin: 28px 0 0 98px; padding-left: 16px; border-left: 3px solid var(--yellow); color: var(--muted); }

.purchase { display: grid; grid-template-columns: 1.25fr .75fr; gap: 8vw; background: #dceee7; }
.purchase-copy h2 { margin-bottom: 20px; }
.purchase-copy > p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.price-panel { align-self: center; padding-left: 44px; border-left: 1px solid #a9c8bc; }
.price-panel > p:first-child { margin: 0; color: var(--green); font-size: 12px; font-weight: 850; }
.price { margin: 4px 0 24px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(72px, 8vw, 118px); line-height: 1; }
.price span { margin-right: 7px; font-family: inherit; font-size: 28px; vertical-align: 40%; }
.checkout-status, .price-fine { color: var(--muted); font-size: 12px; text-align: center; }
.checkout-status { margin-bottom: 0; font-weight: 700; }

.faq { background: var(--paper); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 52px 24px 0; cursor: pointer; list-style: none; font-size: 19px; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 10px; font-size: 26px; font-weight: 400; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 850px; margin: -6px 0 24px; color: var(--muted); }

.site-footer { padding: 52px 5vw 30px; display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 34px; align-items: start; background: var(--ink); color: white; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.site-footer > p { margin: 0; color: #b9c7c3; font-size: 12px; }
.footer-links { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 14px 20px; font-size: 13px; }
.footer-lang { color: white; border-color: #536560; }
.copyright { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid #374743; }

.legal-main { min-height: calc(100vh - 68px); background: var(--white); }
.legal-hero { padding: 86px max(5vw, calc((100vw - 1120px) / 2)) 48px; border-bottom: 1px solid var(--line); background: var(--mint); }
.legal-hero h1 { max-width: 900px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(48px, 6vw, 82px); line-height: 1; }
.legal-hero p:last-child { margin: 20px 0 0; color: var(--muted); }
.legal-document { max-width: 920px; margin: 0 auto; padding: 72px 24px 110px; }
.legal-document h2 { margin: 52px 0 14px; font-family: Georgia, "Times New Roman", serif; font-size: 31px; line-height: 1.2; }
.legal-document h2:first-child { margin-top: 0; }
.legal-document h3 { margin: 30px 0 10px; font-size: 19px; }
.legal-document p, .legal-document li { color: #3f4d49; }
.legal-document ul { padding-left: 22px; }
.legal-document li { margin: 8px 0; }
.legal-document a { color: var(--green); font-weight: 700; }
.legal-callout { margin: 30px 0; padding: 22px 24px; border-left: 4px solid var(--green); background: #f1f7f4; }
.legal-callout p { margin: 0; color: var(--ink); }
.legal-contact { margin-top: 58px; padding-top: 28px; border-top: 1px solid var(--line); }
.legal-language-note { font-size: 13px; color: var(--muted); }

.completion-main { min-height: calc(100vh - 68px); background: var(--white); }
.completion-hero { padding: 76px max(5vw, calc((100vw - 920px) / 2)) 56px; border-bottom: 1px solid #a9c8bc; background: var(--mint); }
.completion-hero > div { position: relative; padding-left: 90px; }
.completion-status { position: absolute; top: 2px; left: 0; width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: white; font-size: 34px; font-weight: 850; }
.completion-hero h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(48px, 6vw, 76px); line-height: 1; }
.completion-lead { max-width: 760px; margin: 22px 0 0; color: #354640; font-size: 19px; }
.verification-note { width: fit-content; margin: 22px 0 0; padding: 10px 14px; border-left: 3px solid var(--yellow); background: rgba(255,255,255,.54); color: #354640; font-size: 13px; font-weight: 700; }
.completion-content { max-width: 920px; margin: 0 auto; padding: 66px 24px 94px; }
.completion-content h2 { margin: 0 0 34px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(32px, 4vw, 48px); line-height: 1.1; }
.completion-steps { padding: 0; margin: 0; list-style: none; counter-reset: completion-step; border-top: 1px solid var(--line); }
.completion-steps li { counter-increment: completion-step; display: grid; grid-template-columns: 48px 210px 1fr; gap: 20px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--line); }
.completion-steps li::before { content: counter(completion-step); width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--green); border-radius: 50%; color: var(--green); font-weight: 850; }
.completion-steps strong { padding-top: 6px; }
.completion-steps span { padding-top: 5px; color: var(--muted); }
.activation-contact { margin-top: 40px; padding: 26px 28px; border-left: 4px solid var(--green); background: #f1f7f4; }
.activation-contact .eyebrow { margin-bottom: 10px; }
.activation-contact a { color: var(--green); font-size: 19px; font-weight: 800; }
.activation-contact span { margin: 0 10px; color: var(--muted); }
.completion-help { margin: 24px 0 0; color: var(--muted); font-size: 13px; }
.completion-footer { padding-top: 38px; }

.support-main { min-height: calc(100vh - 68px); background: var(--white); }
.support-hero { padding: 78px max(5vw, calc((100vw - 1120px) / 2)) 54px; border-bottom: 1px solid var(--line); background: var(--mint); }
.support-hero h1 { max-width: 900px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(48px, 6vw, 82px); line-height: 1; }
.support-hero p:last-child { max-width: 700px; margin: 22px 0 0; color: #354640; font-size: 19px; }
.support-content { max-width: 1120px; margin: 0 auto; padding: 68px 24px 100px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 68px; }
.support-form-panel h2, .support-aside h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(32px, 4vw, 48px); line-height: 1.1; }
.support-intro { max-width: 650px; margin: 18px 0 30px; color: var(--muted); }
.support-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.support-form label { display: grid; gap: 7px; color: var(--ink); font-size: 14px; font-weight: 750; }
.support-form input, .support-form select, .support-form textarea { width: 100%; border: 1px solid #b8c8c2; border-radius: 6px; background: #fbfcfa; color: var(--ink); padding: 12px 13px; font: inherit; font-size: 15px; }
.support-form input, .support-form select { min-height: 46px; }
.support-form textarea { min-height: 170px; resize: vertical; }
.support-form input:focus, .support-form select:focus, .support-form textarea:focus { border-color: var(--green); outline: 3px solid rgba(23, 110, 92, .16); }
.support-message-field, .support-safety, .support-form > .button, .support-submit-note { grid-column: 1 / -1; }
.support-safety { margin: 0; color: var(--muted); font-size: 12px; }
.support-submit-note { min-height: 22px; margin: -4px 0 0; color: var(--green-dark); font-size: 13px; font-weight: 700; }
.support-aside { align-self: start; padding: 30px; border-left: 1px solid var(--line); background: #f1f7f4; }
.support-aside .eyebrow { margin-bottom: 12px; }
.support-aside > div > p:not(.eyebrow) { color: var(--muted); }
.support-email { display: inline-block; margin: 8px 0 12px; color: var(--green); font-size: 18px; font-weight: 800; overflow-wrap: anywhere; }
.support-email + .support-email { margin-left: 14px; }
.support-aside-note { padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; }

.checkout-dialog { width: min(440px, calc(100vw - 36px)); padding: 34px; border: 0; border-radius: 8px; color: var(--ink); box-shadow: var(--shadow); text-align: center; }
.checkout-dialog::backdrop { background: rgba(8, 20, 17, .62); }
.checkout-dialog img { margin: 0 auto 18px; }
.checkout-dialog h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 30px; }
.checkout-dialog p { color: var(--muted); }
.dialog-close { position: absolute; top: 10px; right: 12px; width: 36px; height: 36px; border: 0; background: transparent; font-size: 28px; cursor: pointer; }
.dialog-ok { margin-top: 8px; }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .hero { min-height: 700px; align-items: flex-start; }
  .hero-product-shot { width: 920px; max-width: none; top: 290px; right: -330px; opacity: .72; }
  .hero-scrim { width: 100%; height: 54%; background: rgba(233, 238, 235, .98); }
  .hero-content { padding-top: 72px; }
  .hero h1 { font-size: 76px; }
  .hero-lead { max-width: 650px; font-size: 30px; }
  .trust-strip { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .trust-strip div:nth-child(3) { border-left: 0; padding-left: 0; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .controls-showcase { grid-template-columns: 1fr; gap: 42px; }
  .controls-copy { max-width: 720px; }
  .arcade-band { grid-template-columns: 1fr; gap: 32px; }
  .arcade-art { justify-content: flex-start; }
  .purchase { grid-template-columns: 1fr; gap: 48px; }
  .price-panel { padding: 38px 0 0; border-left: 0; border-top: 1px solid #a9c8bc; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 640px) {
  .site-header { min-height: 60px; padding: 0 18px; }
  .brand img { width: 36px; height: 36px; }
  .brand span { font-size: 16px; }
  .header-actions .button { display: none; }
  .hero { min-height: 720px; }
  .hero-content { width: auto; margin: 0; padding: 58px 20px 250px; }
  .hero h1 { font-size: 60px; }
  .hero-lead { margin-top: 24px; font-size: 25px; }
  .hero-copy { font-size: 16px; }
  .hero-product-shot { top: auto; bottom: 28px; right: -210px; width: 690px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 16px; }
  .hero-actions .button { width: 100%; }
  .text-link { width: fit-content; }
  .hero-facts { gap: 7px 16px; margin-top: 24px; }
  .trust-strip { grid-template-columns: 1fr; padding: 22px 20px; }
  .trust-strip div, .trust-strip div:nth-child(3) { padding: 10px 0; border-left: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .trust-strip div:last-child { border-bottom: 0; }
  .section { padding: 78px 20px; }
  .section h2 { font-size: 39px; }
  .section-heading { margin-bottom: 38px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 200px; }
  .controls-showcase { margin-top: 80px; }
  .product-window figcaption { font-size: 12px; }
  .arcade-band { padding: 42px 20px; }
  .arcade-art { gap: 3px; }
  .arcade-art .stick { margin-right: 0; }
  .steps li { grid-template-columns: 48px 1fr; gap: 16px; }
  .steps > li > span { width: 40px; height: 40px; }
  .note { margin-left: 0; }
  .price { font-size: 88px; }
  .site-footer { grid-template-columns: 1fr; padding: 42px 20px 24px; }
  .site-footer > p { grid-column: auto; grid-row: auto; }
  .footer-links { justify-content: flex-start; flex-wrap: wrap; }
  .legal-main { min-height: calc(100vh - 60px); }
  .legal-hero { padding: 58px 20px 36px; }
  .legal-document { padding: 50px 20px 76px; }
  .legal-document h2 { font-size: 27px; }
  .completion-main { min-height: calc(100vh - 60px); }
  .completion-hero { padding: 52px 20px 38px; }
  .completion-hero > div { padding-left: 0; }
  .completion-status { position: static; width: 52px; height: 52px; margin-bottom: 24px; font-size: 28px; }
  .completion-hero h1 { font-size: 46px; }
  .completion-lead { font-size: 17px; }
  .verification-note { width: auto; }
  .completion-content { padding: 48px 20px 70px; }
  .completion-steps li { grid-template-columns: 42px 1fr; gap: 12px; }
  .completion-steps strong, .completion-steps span { grid-column: 2; padding-top: 0; }
  .completion-steps strong { align-self: center; }
  .completion-steps span { margin-top: -5px; }
  .activation-contact { padding: 22px 20px; }
  .activation-contact a, .activation-contact span { display: block; width: fit-content; }
  .activation-contact span { margin: 7px 0; }
  .support-main { min-height: calc(100vh - 60px); }
  .support-hero { padding: 58px 20px 38px; }
  .support-hero h1 { font-size: 46px; }
  .support-hero p:last-child { font-size: 17px; }
  .support-content { padding: 48px 20px 70px; display: block; }
  .support-form { grid-template-columns: 1fr; }
  .support-message-field, .support-safety, .support-form > .button, .support-submit-note { grid-column: auto; }
  .support-aside { margin-top: 54px; padding: 24px 20px; border-left: 0; border-top: 1px solid var(--line); }
  .support-email + .support-email { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}