:root {
  --bg: #000f12;
  --bg-2: #05241d;
  --panel: #092b25;
  --panel-2: #103832;
  --line: rgba(219, 245, 230, 0.16);
  --text: #f4fff9;
  --muted: #b9d4ca;
  --green: #0fbd58;
  --green-2: #0a7f44;
  --gold: #f6c510;
  --cream: #fff8e6;
  --red: #df2f2f;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.36);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(15, 189, 88, 0.18), transparent 34rem),
    radial-gradient(circle at 80% 4%, rgba(246, 197, 16, 0.12), transparent 30rem),
    linear-gradient(180deg, #00090b, var(--bg) 22rem, #031713);
  color: var(--text);
  font-family: Inter, Montserrat, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.58;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--gold);
  color: #111;
  padding: 10px 12px;
  z-index: 20;
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
  padding: 12px clamp(16px, 4vw, 48px);
  background: rgba(0, 15, 18, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
  font-weight: 800;
}

.brand img {
  width: 64px;
  height: 38px;
  object-fit: cover;
  border-radius: 6px;
}

.brand span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.top-nav a,
.header-cta,
.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
}

.top-nav a {
  padding: 8px 11px;
  color: var(--muted);
  font-size: 0.92rem;
}

.top-nav a:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.menu-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  clip: rect(0 0 0 0);
}

.mobile-menu-button {
  display: none;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
}

.mobile-nav-panel {
  display: none;
  flex-basis: 100%;
}

.header-cta,
.btn.primary {
  padding: 10px 16px;
  background: linear-gradient(180deg, #16d669, #0a963f);
  color: white;
  box-shadow: 0 8px 22px rgba(15, 189, 88, 0.24);
}

.btn.yellow {
  padding: 10px 16px;
  background: linear-gradient(180deg, #ffd93f, #edb300);
  color: #171204;
}

main {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.page-hero {
  padding: clamp(24px, 5vw, 56px) 0 18px;
}

.breadcrumbs {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

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

.kicker,
.tag {
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1 {
  margin: 8px 0;
  max-width: 820px;
  font-size: clamp(2.35rem, 4.5vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2, h3 { line-height: 1.15; letter-spacing: 0; }
h2 { font-size: clamp(1.35rem, 2vw, 2rem); margin: 0 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 6px; }
p { margin: 0 0 12px; }

.meta {
  color: var(--muted);
  margin: 0;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.1fr);
  gap: 22px;
  align-items: stretch;
}

.hero-copy,
.panel,
.demo-stage,
.comparison,
.review-band,
.symbol-grid,
.steps {
  background: linear-gradient(180deg, rgba(12, 53, 45, 0.94), rgba(4, 31, 27, 0.96));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(20px, 4vw, 34px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: #e7fff4;
  max-width: 62ch;
}

.actions,
.mini-trust {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.mini-trust span {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  padding: 7px 10px;
  font-size: 0.9rem;
}

.hero-media {
  margin: 0;
  min-height: 360px;
  border: 1px solid rgba(246, 197, 16, 0.22);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.fact-strip article {
  background: rgba(12, 45, 42, 0.92);
  padding: 18px;
  text-align: center;
}

.fact-strip span,
.score-box small,
.comparison th,
.site-footer p {
  color: var(--muted);
}

.fact-strip strong {
  display: block;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  color: var(--cream);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 18px 0;
}

.panel {
  padding: clamp(18px, 3vw, 26px);
}

.image-panel img,
.article-hero img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.official-card img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: radial-gradient(circle at center, rgba(15, 189, 88, 0.18), rgba(0, 10, 10, 0.92));
  padding: 12px;
}

.review-band {
  margin: 18px 0;
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 18px;
  align-items: center;
}

.review-band a {
  color: var(--gold);
  font-weight: 800;
}

.score-box {
  text-align: center;
  padding: 20px;
  border: 1px solid rgba(246, 197, 16, 0.36);
  border-radius: 8px;
  background: rgba(0,0,0,0.18);
}

.score-box strong { display: block; font-size: 3.1rem; line-height: 1; }
.score-box span { color: var(--gold); font-weight: 900; }
.score-box small { display: block; margin-top: 8px; }

.symbol-grid,
.steps {
  margin: 18px 0;
  padding: clamp(18px, 3vw, 26px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.symbol-grid h2,
.steps h2 {
  grid-column: 1 / -1;
}

.symbol-grid article,
.steps article,
.author-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0,0,0,0.18);
  padding: 14px;
}

.symbol-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 12px;
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.steps article span {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: white;
  font-weight: 900;
  margin-bottom: 10px;
}

.demo-stage {
  overflow: hidden;
  margin-bottom: 18px;
}

.demo-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.demo-window {
  position: relative;
  min-height: 380px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.demo-window img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
  filter: brightness(0.78);
}

.demo-overlay {
  position: absolute;
  inset: auto 18px 18px;
  max-width: 520px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(0, 15, 18, 0.78);
  border: 1px solid rgba(255,255,255,0.16);
}

.demo-overlay strong {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1;
}

.comparison {
  padding: clamp(18px, 3vw, 26px);
  margin: 18px 0;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 580px;
}

th, td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.check-list {
  padding-left: 0;
  list-style: none;
}

.check-list li {
  margin: 8px 0;
  padding-left: 28px;
  position: relative;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 900;
}

.danger { border-color: rgba(223, 47, 47, 0.4); }

.faq details {
  border-top: 1px solid var(--line);
  padding: 13px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.author-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.author-grid span {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  font-weight: 900;
  margin-bottom: 14px;
}

.site-footer {
  width: min(1180px, calc(100% - 28px));
  margin: 26px auto 0;
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 900px) {
  .top-nav { display: none; }
  .mobile-menu-button { display: inline-flex; }
  .site-header {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px;
  }
  .brand { order: 1; margin-right: auto; }
  .header-cta { order: 2; }
  .mobile-menu-button { order: 3; }
  .menu-toggle:checked ~ .mobile-nav-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    order: 4;
    width: 100%;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
  }
  .mobile-nav-panel a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    color: var(--muted);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.88rem;
    text-align: center;
  }
  .mobile-nav-panel a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.1);
  }
  .hero-layout,
  .split,
  .review-band,
  .article-hero,
  .site-footer {
    grid-template-columns: 1fr;
  }
  .symbol-grid,
  .steps,
  .author-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .fact-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  main { width: min(100% - 20px, 1180px); }
  .site-header { padding: 10px; }
  .brand span { display: none; }
  .brand { flex: 0 0 auto; }
  .brand img { width: 56px; height: 40px; }
  .mobile-menu-button { min-height: 44px; padding: 8px 12px; }
  .header-cta {
    flex: 0 0 auto;
    max-width: 138px;
    min-height: 44px;
    padding: 8px 10px;
    font-size: 0.82rem;
    line-height: 1.15;
    text-align: center;
  }
  .menu-toggle:checked ~ .mobile-nav-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-layout { gap: 12px; }
  .hero-media,
  .hero-media img { min-height: 270px; }
  .fact-strip { grid-template-columns: 1fr 1fr; }
  .fact-strip article { padding: 12px 8px; }
  .symbol-grid,
  .steps,
  .author-grid {
    grid-template-columns: 1fr;
  }
  .demo-window,
  .demo-window img { min-height: 300px; }
  .demo-overlay { inset: auto 10px 10px; }
}