:root {
  color-scheme: dark;
  --bg: #141a22;
  --panel: #1c2430;
  --ink: #edf3fb;
  --sub: #a3b2c7;
  --line: #303d4e;
  --accent: #82cebb;
  --accent-ink: #142d28;
  --soft: #243e39;
  --paper: #f4f6f3;
  --paper-ink: #18231f;
  --paper-sub: #53625d;
  --paper-line: #d7ddd9;
  --max: 1260px;
  font-family: "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 60px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 16px; line-height: 1.6; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.025em; }
h1 { max-width: 760px; margin-bottom: 26px; font-size: clamp(3.5rem, 8vw, 7.3rem); font-weight: 650; letter-spacing: -0.065em; }
h2 { margin-bottom: 22px; font-size: clamp(2.3rem, 5vw, 4.6rem); font-weight: 640; letter-spacing: -0.05em; }
h3 { margin-bottom: 12px; font-size: clamp(1.25rem, 2vw, 1.65rem); font-weight: 630; }
p { color: var(--sub); }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.section { padding: clamp(76px, 8vw, 112px) 0; }
section[id]:not(#top) { scroll-margin-top: -12px; }
.section-light { background: var(--paper); color: var(--paper-ink); }
.section-light p { color: var(--paper-sub); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; transform: translateY(-140%); border-radius: 7px; background: var(--accent); color: var(--accent-ink); padding: 9px 14px; font-weight: 700; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(48, 61, 78, 0.75); background: rgba(20, 26, 34, 0.94); backdrop-filter: blur(12px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav > a:not(.button), .footer-nav a { color: var(--sub); font-size: 0.92rem; font-weight: 550; }
.site-nav > a:not(.button):hover, .footer-nav a:hover { color: var(--ink); }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); padding: 8px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: currentColor; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent); color: var(--accent-ink); padding: 12px 20px; font-weight: 700; line-height: 1.2; cursor: pointer; transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease; }
.button:hover { background: #9dddd0; border-color: #9dddd0; transform: translateY(-1px); }
.button:disabled { cursor: wait; opacity: 0.68; transform: none; }
.button-small { min-height: 40px; padding: 9px 15px; font-size: 0.9rem; }
.eyebrow { margin-bottom: 20px; color: var(--accent); font-size: 0.77rem; font-weight: 760; letter-spacing: 0.13em; text-transform: uppercase; }
.section-light .eyebrow { color: #2f725f; }
.hero { padding-top: clamp(70px, 7vw, 100px); overflow: hidden; }
.hero-copy { max-width: 930px; margin-bottom: clamp(52px, 6vw, 72px); }
.hero-lede { max-width: 760px; margin-bottom: 34px; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero-actions p { margin: 0; font-size: 0.92rem; }
.hero-actions p span { margin-inline: 6px; color: var(--accent); }
.product-window { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); box-shadow: 0 22px 62px rgba(0, 0, 0, 0.21); }
.product-window img { width: 100%; height: auto; }
.window-bar { height: 27px; display: flex; align-items: center; gap: 5px; border-bottom: 1px solid var(--line); background: #18202a; padding: 0 10px; }
.window-bar > span:not(.window-label) { width: 6px; height: 6px; border-radius: 50%; background: #526174; }
.window-label { margin-left: 8px; color: #8290a2; font-size: 0.67rem; }
.product-window-hero { width: min(1480px, calc(100vw - 24px)); margin-inline: 50%; transform: translateX(-50%); }
.section-heading { max-width: 720px; margin-bottom: clamp(48px, 5vw, 68px); }
.section-heading > p:last-child { max-width: 630px; font-size: 1.08rem; }
.section-heading.compact { max-width: 640px; margin-bottom: 48px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0 0 54px; padding: 0; list-style: none; border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line); }
.steps li { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 32px 26px 34px 0; }
.steps li + li { border-left: 1px solid var(--paper-line); padding-left: 26px; }
.steps h3 { font-size: 1.1rem; }
.steps p { margin-bottom: 0; font-size: 0.94rem; }
.step-number { padding-top: 2px; color: #2f725f; font-size: 0.73rem; font-weight: 800; letter-spacing: 0.08em; }
.section-light .product-window { border-color: #c7cfca; }
.feature { display: grid; grid-template-columns: minmax(210px, 0.5fr) minmax(0, 2fr); align-items: center; gap: clamp(34px, 4vw, 54px); padding: clamp(48px, 5vw, 68px) 0; border-top: 1px solid var(--line); }
.feature:last-of-type { border-bottom: 1px solid var(--line); }
.feature-reverse { grid-template-columns: minmax(0, 2fr) minmax(210px, 0.5fr); }
.feature-reverse .feature-copy { order: 2; }
.feature-index { margin-bottom: 18px; color: var(--accent); font-size: 0.76rem; font-weight: 750; letter-spacing: 0.09em; text-transform: uppercase; }
.feature-copy > p:not(.feature-index) { font-size: 1.02rem; }
.plain-list { margin: 24px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); list-style: none; color: var(--sub); font-size: 0.92rem; }
.plain-list li { position: relative; padding: 7px 0 7px 21px; }
.plain-list li::before { content: ""; position: absolute; left: 1px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.feature .product-window { box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18); }
.capabilities { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(56px, 6vw, 78px); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capabilities > div { padding: 32px 28px 32px 0; }
.capabilities > div + div { border-left: 1px solid var(--line); padding-left: 28px; }
.capabilities h3 { font-size: 1.05rem; }
.capabilities p { margin-bottom: 0; font-size: 0.92rem; }
.privacy { background: var(--panel); }
.privacy-grid { display: grid; grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr); gap: clamp(70px, 10vw, 140px); }
.privacy-intro { align-self: start; position: sticky; top: 120px; }
.privacy-intro p:last-child { max-width: 500px; font-size: 1.05rem; }
.privacy-points { border-top: 1px solid var(--line); }
.privacy-points article { display: grid; grid-template-columns: 46px 1fr; gap: 22px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.privacy-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #41675d; border-radius: 50%; color: var(--accent); font-size: 0.72rem; font-weight: 800; }
.privacy-points h3 { font-size: 1.14rem; }
.privacy-points p { margin-bottom: 0; }
.pricing-grid { display: grid; grid-template-columns: 1fr minmax(330px, 0.75fr); align-items: center; gap: clamp(60px, 10vw, 140px); }
.pricing-lede { font-size: 1.2rem; }
.purchase-panel { border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line); padding: 34px 0; }
.price { margin: 0; color: var(--paper-ink) !important; font-size: 4.6rem; font-weight: 700; line-height: 1; letter-spacing: -0.06em; }
.price span { margin-right: 5px; font-size: 1.6rem; vertical-align: top; }
.purchase-panel .button { width: 100%; margin-top: 24px; }
.checkout-status { min-height: 24px; margin: 9px 0 0; text-align: center; font-size: 0.82rem; }
.faq { padding-block: clamp(70px, 7vw, 96px); }
.faq-grid { display: grid; grid-template-columns: minmax(240px, 0.58fr) minmax(0, 1.42fr); gap: clamp(52px, 6vw, 80px); }
.faq .section-heading h2 { font-size: clamp(2.3rem, 4vw, 3.65rem); }
.sticky-heading { position: sticky; top: 120px; align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 21px 50px 21px 0; cursor: pointer; font-size: 1.04rem; font-weight: 650; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 15px; color: var(--accent); font-size: 1.6rem; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 680px; margin: -3px 0 26px; }
.site-footer { border-top: 1px solid var(--line); padding: 58px 0 28px; }
.footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; padding-bottom: 55px; }
.footer-brand p { margin: 12px 0 0; font-size: 0.9rem; }
.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--line); }
.footer-bottom p { margin: 0; font-size: 0.78rem; }
.legal-page { min-height: 100vh; padding: 56px 0 96px; }
.legal-page .brand { margin-bottom: 64px; }
.legal-page h1 { max-width: 900px; font-size: clamp(3rem, 8vw, 6rem); }
.legal-page h2 { margin: 52px 0 18px; font-size: clamp(1.65rem, 4vw, 2.45rem); letter-spacing: -0.035em; }
.legal-page h3 { margin-top: 30px; font-size: 1.15rem; }
.legal-page p, .legal-page li { max-width: 780px; color: var(--sub); }
.legal-page p, .legal-page li { font-size: 1rem; }
.legal-page ul { max-width: 780px; padding-left: 22px; }
.legal-page li + li { margin-top: 10px; }
.legal-meta { margin: -12px 0 46px; }
.legal-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 52px; padding-top: 34px; border-top: 1px solid var(--line); }
.text-link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.status-card { max-width: 760px; margin-top: 42px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: clamp(24px, 5vw, 42px); }
.status-card h2 { margin-top: 0; }
.status-card p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .section { padding: 74px 0; }
  .feature, .feature-reverse, .privacy-grid, .pricing-grid, .faq-grid { grid-template-columns: 1fr; }
  .feature-reverse .feature-copy { order: 0; }
  .privacy-intro, .sticky-heading { position: static; }
  .capabilities { grid-template-columns: 1fr; }
  .capabilities > div, .capabilities > div + div { padding: 25px 0; border-left: 0; }
  .capabilities > div + div { border-top: 1px solid var(--line); }
  .section-heading, .sticky-heading { margin-bottom: 42px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 56px; }
  .container { width: min(calc(100% - 32px), var(--max)); }
  .header-inner { min-height: 66px; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; inset: 66px 0 auto; display: none; align-items: stretch; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); background: var(--bg); padding: 12px 16px 22px; }
  .site-nav.is-open { display: flex; }
  .site-nav > a:not(.button) { padding: 14px 4px; font-size: 1rem; }
  .site-nav .button { margin-top: 10px; }
  .hero { padding-top: 64px; }
  .hero-copy { margin-bottom: 48px; }
  h1 { font-size: clamp(3.25rem, 16vw, 5.2rem); }
  h2 { font-size: clamp(2.15rem, 11vw, 3.3rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-actions p { text-align: center; }
  .product-window-hero { width: calc(100vw - 32px); margin-inline: 0; transform: none; }
  .window-bar { height: 25px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 25px 0; border-left: 0; }
  .steps li + li { border-top: 1px solid var(--paper-line); }
  .feature { gap: 32px; }
  .faq { padding-block: 64px; }
  .faq-grid { gap: 20px; }
  .faq .sticky-heading { margin-bottom: 0; }
  .footer-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 15px 34px; }
}

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