:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f8;
  --ink: #1a1c20;
  --ink-soft: #6d7885;
  --muted: #99a2ad;
  --line: #ebedf0;
  --accent: #0077ff;
  --accent-hover: #0066dd;
  --radius: 16px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --pad: clamp(1rem, 3vw, 1.5rem);
  --max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-hover);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  padding: 0.55rem 0.9rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--pad);
}

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.top-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0.85rem var(--pad);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.98rem;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.top-nav {
  display: none;
  gap: 1.1rem;
  margin-left: auto;
  font-size: 0.88rem;
  font-weight: 500;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink-soft);
}

.top-nav a:hover {
  color: var(--ink);
}

@media (min-width: 760px) {
  .top-nav {
    display: flex;
  }
}

.app-hero {
  padding: calc(1.5rem + env(safe-area-inset-top)) 0 2rem;
}

.app-hero-inner {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 720px) {
  .app-hero-inner {
    grid-template-columns: 120px 1fr;
    gap: 2rem;
  }
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.app-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.app-hero-body h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.app-lead {
  margin: 0 0 1rem;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1rem;
}

.app-meta {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.app-meta li::before {
  content: "·";
  margin-right: 0.45rem;
  color: var(--line);
}

.app-meta li:first-child::before {
  content: none;
  margin: 0;
}

.app-cta {
  display: grid;
  gap: 0.55rem;
}

.store-link {
  display: inline-block;
  line-height: 0;
  width: fit-content;
}

.store-link img {
  width: 188px;
  height: auto;
}

.app-cta-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.section {
  padding: 2rem 0;
}

.section-line {
  border-top: 1px solid var(--line);
}

.section-title {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.prose p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

.prose p:last-child {
  margin-bottom: 0;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.feature-list li {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
}

.feature-list strong {
  display: block;
  margin-bottom: 0.2rem;
  font-weight: 600;
  color: var(--ink);
}

.feature-list span {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.use-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .use-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.use-card {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
}

.use-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
  font-weight: 600;
}

.use-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.faq {
  display: grid;
  gap: 0.55rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.15rem 0.95rem;
  background: var(--bg);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.75rem 0;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.foot {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  padding: 2.25rem 0 0;
  margin-top: 1rem;
  font-size: 0.88rem;
}

.foot-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--pad) 1.5rem;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 820px) {
  .foot-inner {
    grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  }
}

.foot-brand-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.45rem;
}

.foot-brand-row img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.foot-brand {
  margin: 0;
  font-weight: 600;
  color: var(--ink);
}

.foot-tag {
  margin: 0 0 0.85rem;
  line-height: 1.5;
}

.foot-rustore a {
  display: inline-block;
  line-height: 0;
}

.foot-rustore img {
  width: 160px;
  height: auto;
}

.foot-col h3 {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.foot-col li {
  margin-bottom: 0.35rem;
}

.foot-col a {
  color: var(--ink-soft);
  text-decoration: none;
}

.foot-col a:hover {
  color: var(--accent);
}

.foot-legal {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--pad) 1.25rem;
  border-top: 1px solid var(--line);
}

.foot-req {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 1.25rem var(--pad);
  border-top: 1px solid var(--line);
}

.req-label {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.req-grid {
  display: grid;
  gap: 1rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .req-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.req-grid strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.req-grid span {
  display: block;
  margin-bottom: 0.25rem;
}

.foot-legal-block {
  padding: 1rem;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.foot-legal-block h4 {
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot-legal-block strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-weight: 600;
}

.foot-legal-block span {
  display: block;
  margin-bottom: 0.25rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.foot-bottom {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 1rem var(--pad) 1.35rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted);
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.85rem;
}

.foot-links a {
  color: var(--muted);
  text-decoration: none;
}

.foot-links a:hover {
  color: var(--accent);
}

.cookie {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  z-index: 80;
  width: min(calc(100% - 2rem), 560px);
  padding: 0.75rem 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  display: none;
  align-items: center;
  gap: 0.65rem;
}

.cookie.is-on {
  display: flex;
}

.cookie-text {
  flex: 1;
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--ink-soft);
}

.cookie-text a {
  text-decoration: none;
}

.cookie-btns {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.cookie-btns button {
  min-height: 32px;
  padding: 0 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--ink-soft);
}

.cookie-ok {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}

.cookie-close {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--muted);
  border: none;
  font-size: 1rem;
  cursor: pointer;
}

@media (max-width: 560px) {
  .cookie {
    flex-wrap: wrap;
  }

  .cookie-btns {
    width: 100%;
    justify-content: flex-end;
  }
}

.legal-page {
  padding: calc(4.5rem + env(safe-area-inset-top)) 0 3rem;
}

.legal-page h1 {
  margin: 0 0 1rem;
  font-size: 1.6rem;
}

.legal-page h2 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.05rem;
}

.legal-page p,
.legal-page li {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.legal-page ul {
  padding-left: 1.1rem;
}

.doc {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: calc(4.5rem + env(safe-area-inset-top)) var(--pad) 3rem;
}

.doc h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.doc-meta {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.doc-body h2 {
  margin: 1.35rem 0 0.55rem;
  font-size: 1.05rem;
}

.doc-body p,
.doc-body li {
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.6;
}

.doc-body ul {
  padding-left: 1.1rem;
}