:root {
  --ink: #f3f7f8;
  --muted: #aebbc4;
  --paper: #080b0f;
  --surface: #11171d;
  --surface-2: #182129;
  --surface-3: #202a33;
  --line: rgba(255, 255, 255, .11);
  --teal: #2fb5c1;
  --teal-dark: #61d6df;
  --teal-soft: rgba(97, 214, 223, .10);
  --gold: #ff922d;
  --gold-soft: rgba(255, 146, 45, .13);
  --magenta: #dc6464;
  --download-accent-start: #ff7a21;
  --download-accent-end: #e94717;
  --download-accent-hover-start: #ff9343;
  --download-accent-hover-end: #f35a25;
  --download-accent-shadow: rgba(239, 73, 24, .38);
  --shadow: 0 28px 80px rgba(0, 0, 0, .42);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(47, 181, 193, .12), transparent 448px),
    radial-gradient(circle at 88% 18%, rgba(255, 146, 45, .10), transparent 384px),
    var(--paper);
  font-family: "Sarabun", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }

.shell {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 9px;
  color: #061014;
  background: var(--teal-dark);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 15, .94);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 106px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand img {
  width: 64px;
  height: 64px;
  border-radius: 15px;
  object-fit: cover;
  box-shadow: 0 9px 22px rgba(23, 47, 77, .28);
}

.brand span { display: flex; flex-direction: column; }
.brand strong { color: var(--ink); font-size: 18px; }
.brand small { color: var(--muted); font-size: 13px; }

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.top-nav a { text-decoration: none; }
.top-nav a:hover, .top-nav a:focus { color: var(--teal); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 102px;
  background:
    radial-gradient(circle at 82% 20%, rgba(47, 181, 193, .13), transparent 34%),
    radial-gradient(circle at 12% 82%, rgba(255, 146, 45, .09), transparent 30%),
    linear-gradient(150deg, rgba(17, 23, 29, .36), rgba(8, 11, 15, .92));
}

.hero::after {
  position: absolute;
  inset: auto -8% -260px 50%;
  height: 520px;
  border: 1px solid rgba(97, 214, 223, .12);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(500px, 1.05fr);
  gap: 58px;
  align-items: start;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 7px 13px;
  border: 1px solid rgba(97, 214, 223, .32);
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(97, 214, 223, .07);
  font-size: 14px;
  font-weight: 800;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #42ad67;
  box-shadow: 0 0 0 5px rgba(66, 173, 103, .12);
}

.hero h1 {
  margin: 20px 0 22px;
  font-size: clamp(54px, 6.2vw, 84px);
  line-height: .98;
  letter-spacing: -.035em;
}

.hero h1 em {
  color: var(--teal);
  font-size: .66em;
  font-style: normal;
  letter-spacing: -.02em;
}

.hero-lead {
  max-width: 660px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.75;
}

.compatibility {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.compatibility li,
.requirement-pills span {
  padding: 6px 11px;
  border: 1px solid rgba(97, 214, 223, .25);
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(255, 255, 255, .045);
  font-size: 13px;
  font-weight: 800;
}

.download-choice { margin-top: 28px; }
.download-choice-heading { margin-bottom: 13px; }
.download-choice-heading h2 { margin: 0; color: var(--ink); font-size: 24px; line-height: 1.3; }
.download-choice-heading p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

.edition-card {
  padding: 19px;
  border: 1px solid rgba(97, 214, 223, .28);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  box-shadow: 0 18px 42px rgba(0, 0, 0, .24);
}

.edition-topline { display: flex; align-items: center; gap: 10px; }

.edition-number {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  color: #061014;
  background: var(--teal-dark);
  box-shadow: 0 6px 14px rgba(9, 102, 116, .22);
  font-size: 22px;
  font-weight: 800;
}

.edition-label {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(97, 214, 223, .11);
  font-size: 13px;
  font-weight: 800;
}

.edition-card h3 { margin: 11px 0 4px; font-size: 21px; line-height: 1.3; }
.edition-card p { margin: 0; color: var(--muted); font-size: 14px; }
.edition-version { margin-top: 10px; color: var(--gold); font-size: 14px; font-weight: 800; overflow-wrap: anywhere; }

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 11px 23px;
  border: 1px solid transparent;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary {
  min-width: 285px;
  border-color: rgba(255, 255, 255, .18);
  color: #1a0a03;
  background: linear-gradient(135deg, var(--download-accent-start), var(--download-accent-end));
  box-shadow: 0 13px 30px var(--download-accent-shadow);
}
.button-primary:hover {
  border-color: rgba(255, 255, 255, .28);
  color: #1a0a03;
  background: linear-gradient(135deg, var(--download-accent-hover-start), var(--download-accent-hover-end));
  box-shadow: 0 16px 38px rgba(239, 73, 24, .48);
}
.button-secondary { color: var(--ink); border-color: rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .055); }
.button-secondary:hover { background: rgba(255, 255, 255, .10); }

.download-button {
  width: 100%;
  min-height: 70px;
  margin-top: 14px;
  justify-content: flex-start;
  padding: 12px 16px;
}

.download-button > span:last-child { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; line-height: 1.35; }
.download-button strong { font-size: 17px; }
.download-button small { margin-top: 2px; color: rgba(26, 10, 3, .76); font-size: 12px; font-weight: 600; }

.download-icon {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: rgba(91, 17, 0, .38);
  font-size: 27px;
  line-height: 1;
}

.download-button.is-checking,
.download-button.is-unavailable {
  cursor: not-allowed;
  border-color: transparent;
  color: #9ca8b0;
  background: var(--surface-3);
  box-shadow: none;
  transform: none;
}

.download-button.is-checking small,
.download-button.is-unavailable small { color: #82909a; }
.download-button.is-checking .download-icon,
.download-button.is-unavailable .download-icon { color: #aebbc4; background: #11171d; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.download-status { margin: 14px 0 0; color: var(--teal-dark); font-size: 14px; font-weight: 800; }
.download-status.is-warning { color: var(--gold); }
.download-status.is-error { color: #ff7b7b; }
.download-status.is-waiting { color: var(--muted); }
.license-note { margin: 8px 0 0; color: var(--muted); font-size: 13px; }

.hero-visual { min-width: 0; padding: 32px 0 0 24px; }
.hero-image-stage { position: relative; padding-bottom: 52px; }

.app-window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 16px;
  background: #1e1e1f;
  box-shadow: var(--shadow);
  transform: perspective(1400px) rotateY(-2deg) rotateX(1deg);
}

.window-bar {
  display: flex;
  height: 36px;
  align-items: center;
  gap: 7px;
  padding: 0 13px;
  color: #ddd;
  background: #262626;
  font-size: 11px;
}

.window-bar span { width: 10px; height: 10px; border-radius: 50%; background: #777; }
.window-bar span:nth-child(1) { background: #ff605c; }
.window-bar span:nth-child(2) { background: #ffbd44; }
.window-bar span:nth-child(3) { background: #00ca4e; }
.window-bar b { margin-left: 6px; font-weight: 600; }
.app-window img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; }

.security-badge {
  position: absolute;
  right: -15px;
  bottom: 14px;
  display: flex;
  flex-direction: column;
  min-width: 220px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 146, 45, .42);
  border-radius: 13px;
  color: var(--ink);
  background: rgba(24, 33, 41, .96);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .34);
}

.security-badge strong { font-size: 17px; }
.security-badge span { color: var(--gold); font-size: 13px; }

.download-metric {
  display: flex;
  flex-direction: column;
  padding: 19px 21px;
  border-left: 4px solid var(--teal);
  border-radius: 0 12px 12px 0;
  background: rgba(17, 23, 29, .90);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .22);
}

.download-metric > span { color: var(--muted); font-size: 13px; font-weight: 700; }
.download-metric > strong { color: var(--teal-dark); font-size: 22px; }
.download-metric > small { color: var(--muted); }
.metric-version { margin-top: 5px; color: var(--gold); font-size: 13px; font-weight: 800; }

.download-counter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 18px;
  align-items: end;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.download-counter > span { color: var(--muted); font-size: 13px; font-weight: 700; }
.download-counter > strong { color: var(--ink); font-size: 18px; line-height: 1.1; }
.download-counter > strong span { color: var(--teal-dark); font-size: 28px; }
.download-counter > small { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(17, 23, 29, .92); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-grid > div { display: flex; min-height: 136px; align-items: center; gap: 18px; padding: 26px 28px; border-right: 1px solid var(--line); }
.trust-grid > div:last-child { border-right: 0; }
.trust-grid > div > span { display: grid; flex: 0 0 52px; width: 52px; height: 52px; place-items: center; border-radius: 50%; color: var(--teal-dark); background: var(--teal-soft); font-weight: 800; }
.trust-grid p { display: flex; flex-direction: column; margin: 0; line-height: 1.4; }
.trust-grid strong { font-size: 18px; }
.trust-grid small { margin-top: 6px; color: var(--muted); font-size: 14px; }

.section { padding: 92px 0; }
.section-tint { background: rgba(255, 255, 255, .025); }
.section-heading { max-width: 780px; margin: 0 auto 38px; text-align: center; }
.section-heading.align-left { margin-right: 0; margin-left: 0; text-align: left; }
.kicker { margin-bottom: 8px; color: var(--gold); font-size: 14px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.section-heading h2 { margin-bottom: 10px; color: var(--teal-dark); font-size: clamp(34px, 4vw, 50px); line-height: 1.15; }
.section-heading > p:not(.kicker) { margin-bottom: 0; color: var(--muted); font-size: 18px; }

.requirements-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(520px, 1.15fr); gap: 62px; align-items: start; }
.requirement-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.requirements-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 18px 46px rgba(0, 0, 0, .25); }
.requirements-card h3 { margin: 0; padding: 20px 24px; color: #061014; background: var(--teal-dark); font-size: 21px; }
.requirements-card table { width: 100%; border-collapse: collapse; }
.requirements-card th, .requirements-card td { padding: 12px 24px; border-bottom: 1px solid var(--line); text-align: left; }
.requirements-card th { color: var(--teal-dark); background: var(--surface-2); font-size: 14px; }
.requirements-card td:last-child { font-weight: 700; }
.requirements-note { margin: 0; padding: 17px 24px 21px; color: var(--muted); background: rgba(255, 255, 255, .025); font-size: 13px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-grid article { min-height: 225px; padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 14px 34px rgba(0, 0, 0, .18); }
.feature-grid article > span { display: grid; width: clamp(58px, 5vw, 70px); height: clamp(58px, 5vw, 70px); place-items: center; border-radius: 16px; color: var(--teal-dark); background: var(--teal-soft); font-size: clamp(30px, 3vw, 40px); font-weight: 800; line-height: 1; }
.feature-grid h3 { margin: 20px 0 8px; color: var(--teal-dark); font-size: 21px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 15px; }

.center-action { margin-top: 34px; text-align: center; }
.text-link { color: var(--teal-dark); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.screenshot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.screenshot-card { overflow: hidden; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: var(--surface); box-shadow: 0 14px 40px rgba(0, 0, 0, .22); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.screenshot-card:hover { transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0, 0, 0, .32); }
.screenshot-card img { width: 100%; aspect-ratio: 16 / 10; background: #050709; object-fit: cover; object-position: top center; }
.screenshot-card > span { display: flex; flex-direction: column; padding: 20px 22px; }
.screenshot-card strong { color: var(--teal-dark); font-size: 19px; }
.screenshot-card small { margin-top: 3px; color: var(--muted); font-size: 14px; }

.install-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 70px; align-items: start; }
.install-steps { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.install-steps li { display: flex; gap: 18px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.install-steps li > span { display: grid; flex: 0 0 42px; height: 42px; place-items: center; border-radius: 50%; color: #061014; background: var(--teal-dark); font-weight: 800; }
.install-steps strong { color: var(--teal-dark); font-size: 18px; }
.install-steps p { margin: 3px 0 0; color: var(--muted); font-size: 15px; }
.install-steps code { padding: 1px 5px; border-radius: 4px; color: #ffba72; background: var(--gold-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; overflow-wrap: anywhere; }

.download-panel { position: sticky; top: 26px; padding: 34px; border: 1px solid rgba(97, 214, 223, .28); border-radius: 18px; color: var(--ink); background: linear-gradient(145deg, #12262c, #10171d); box-shadow: 0 22px 55px rgba(0, 0, 0, .34); text-align: center; }
.apple-mark { display: grid; width: 64px; height: 64px; margin: 0 auto 20px; place-items: center; border-radius: 15px; color: #061014; background: var(--teal-dark); font-size: 39px; line-height: 1; }
.panel-label { margin: 0; color: var(--teal-dark); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.download-panel h3 { margin: 5px 0 6px; font-size: 30px; }
.download-panel > p:not(.panel-label) { margin: 0 0 13px; color: var(--muted); }
.panel-version { margin-bottom: 10px; color: var(--gold); font-size: 13px; font-weight: 800; }
.download-panel .download-button {
  border-color: rgba(255, 255, 255, .18);
  color: #1a0a03;
  background: linear-gradient(135deg, var(--download-accent-start), var(--download-accent-end));
  box-shadow: 0 13px 30px var(--download-accent-shadow);
}
.download-panel .download-button:hover {
  background: linear-gradient(135deg, var(--download-accent-hover-start), var(--download-accent-hover-end));
  box-shadow: 0 16px 38px rgba(239, 73, 24, .48);
}
.download-panel .download-button small { color: rgba(26, 10, 3, .76); }
.download-panel .download-button.is-checking,
.download-panel .download-button.is-unavailable { border-color: transparent; color: #9ca8b0; background: var(--surface-3); box-shadow: none; }
.download-panel .download-button.is-checking small,
.download-panel .download-button.is-unavailable small { color: #82909a; }
.panel-help-links { display: grid; gap: 7px; margin-top: 18px; }
.panel-help-links a { color: var(--teal-dark); font-size: 14px; font-weight: 700; }

.contact-section { color: var(--ink); background: radial-gradient(circle at 90% 0, rgba(255, 146, 45, .15), transparent 34%), linear-gradient(135deg, #102229, #0b1116); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 80px; align-items: center; }
.contact-copy { max-width: 760px; }
.contact-copy .kicker { color: var(--gold); }
.contact-copy h2 { margin-bottom: 12px; font-size: clamp(34px, 4vw, 48px); line-height: 1.2; }
.contact-copy > p:not(.kicker) { color: var(--muted); font-size: 18px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button-line { color: #123d35; background: #72e3a6; }
.button-line:hover { color: #123d35; background: #8af0b7; }
.contact-section .button-secondary { color: #fff; border-color: #6d9293; background: rgba(255, 255, 255, .08); }
.plain-contact { align-self: center; color: var(--teal-dark); font-weight: 700; }
.qr-card { padding: 20px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 17px; background: rgba(255, 255, 255, .07); text-align: center; }
.qr-card img { width: 100%; border-radius: 10px; }
.qr-card strong, .qr-card span { display: block; }
.qr-card strong { margin-top: 12px; }
.qr-card span { color: var(--muted); }

.faq-section { background: rgba(255, 255, 255, .018); }
.faq-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 70px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.faq-list summary { cursor: pointer; padding: 18px 22px; color: var(--teal-dark); font-weight: 800; }
.faq-list details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }

.site-footer { padding: 36px 0; border-top: 1px solid var(--line); color: #d5e5e3; background: #050709; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-inner > div:first-child { display: flex; flex-direction: column; }
.footer-inner span { color: #9fbfbc; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px 20px; }
.footer-links a { color: #d5e5e3; font-size: 14px; font-weight: 700; text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }

.mobile-download-bar { display: none; }

.button:focus-visible,
.top-nav a:focus-visible,
.text-link:focus-visible,
.screenshot-card:focus-visible,
.faq-list summary:focus-visible,
.mobile-download-button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .top-nav { justify-content: flex-start; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 850px; padding-left: 0; }
  .requirements-layout { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 28px, 720px); }
  .hero { padding: 58px 0 72px; }
  .hero h1 { font-size: clamp(46px, 12vw, 66px); }
  .hero-lead { font-size: 18px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-grid > div:last-child { border-bottom: 0; }
  .section { padding: 72px 0; }
  .screenshot-grid { grid-template-columns: 1fr; }
  .install-layout { grid-template-columns: 1fr; }
  .download-panel { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .qr-card { max-width: 300px; }
  .faq-layout { grid-template-columns: 1fr; gap: 24px; }
  .faq-layout .section-heading { margin-bottom: 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 600px) {
  body { padding-bottom: 78px; }
  .brand img { width: 50px; height: 50px; }
  .brand span { display: none; }
  .brand strong { font-size: 16px; }
  .top-nav { display: grid; width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .top-nav a { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
  .hero h1 { font-size: 44px; }
  .compatibility { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .compatibility li { text-align: center; }
  .hero-actions .button { width: 100%; }
  .hero-visual { padding-top: 15px; }
  .app-window { transform: none; }
  .security-badge { right: 8px; }
  .section-heading h2 { font-size: 34px; }
  .requirements-card { overflow-x: auto; }
  .requirements-card th, .requirements-card td { min-width: 145px; padding: 10px 15px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 0; }
  .install-steps li { gap: 12px; padding: 17px; }
  .download-panel { padding: 28px 20px; }
  .contact-actions .button { width: 100%; }
  .plain-contact { width: 100%; text-align: center; }
  .mobile-download-bar {
    position: fixed;
    z-index: 100;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    min-height: 70px;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    border-top: 1px solid var(--line);
    background: rgba(8, 11, 15, .97);
    box-shadow: 0 -8px 26px rgba(0, 0, 0, .34);
  }
  .mobile-download-bar > span { display: flex; min-width: 0; flex-direction: column; line-height: 1.3; }
  .mobile-download-bar strong { color: var(--teal-dark); font-size: 14px; }
  .mobile-download-bar small { color: var(--muted); font-size: 11px; }
  .mobile-download-button { flex: 0 0 auto; padding: 10px 14px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 9px; color: #1a0a03; background: linear-gradient(135deg, var(--download-accent-start), var(--download-accent-end)); box-shadow: 0 8px 22px var(--download-accent-shadow); font-size: 13px; font-weight: 800; text-decoration: none; }
  .mobile-download-button.is-checking,
  .mobile-download-button.is-unavailable { cursor: not-allowed; border-color: transparent; color: #9ca8b0; background: var(--surface-3); box-shadow: none; }
}

@media (max-width: 430px) {
  .shell { width: min(100% - 22px, 410px); }
  .hero h1 { font-size: 38px; }
  .hero-lead { font-size: 16px; }
  .compatibility { grid-template-columns: 1fr; }
  .edition-card { padding: 15px; }
  .security-badge { min-width: 160px; padding: 10px 14px; }
  .mobile-download-bar > span { max-width: 52%; }
}

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