.landing-body {
  --accent: #83500f;
  --landing-accent-ink: #fff;
  --landing-blue: #2563eb;
  --landing-blue-soft: #e8f0ff;
  --landing-shadow: 0 28px 80px rgba(29, 43, 64, .13);
  min-height: 100vh;
  background:
    radial-gradient(circle at 7% 4%, rgba(37, 99, 235, .14), transparent 31rem),
    radial-gradient(circle at 95% 18%, rgba(22, 163, 74, .1), transparent 29rem),
    var(--bg);
}

.landing-body .wrap { max-width: 1240px; padding-top: 24px; }
.landing-body header.top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
  padding-bottom: 18px;
}
.landing-body .brand { font-size: 1.2rem; letter-spacing: -.03em; }
.landing-body a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 38%, transparent);
  outline-offset: 3px;
}

.landing-icon {
  display: inline-block;
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(400px, .98fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
  min-height: 680px;
  padding: 74px 0 86px;
}
.landing-copy { max-width: 680px; }
.landing-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 13px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.landing-copy h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.45rem, 5.8vw, 4.75rem);
  letter-spacing: -.065em;
  line-height: .98;
}
.landing-lede {
  max-width: 640px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.16rem);
  line-height: 1.7;
}
.landing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.landing-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 12px 17px;
  font-size: .88rem;
  font-weight: 780;
  text-decoration: none;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.landing-button:hover { box-shadow: 0 10px 26px rgba(29, 43, 64, .12); transform: translateY(-2px); }
.landing-button-primary { border-color: transparent; background: var(--accent); color: var(--landing-accent-ink); }
.landing-button-primary:hover { color: var(--landing-accent-ink); }
.landing-button-secondary { background: color-mix(in srgb, var(--surface) 85%, transparent); color: var(--ink); }
.landing-button-secondary:hover { border-color: var(--muted); color: var(--ink); }
.landing-assurances {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 19px;
  margin: 25px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: .74rem;
  list-style: none;
}
.landing-assurances li { display: inline-flex; align-items: center; gap: 6px; }
.landing-assurances .landing-icon { width: .9rem; height: .9rem; color: var(--ok); }

.posture-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  border-radius: 25px;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  box-shadow: var(--landing-shadow);
  transform: rotate(1.25deg);
}
.posture-preview::before {
  position: absolute;
  inset: -40% -10% auto 15%;
  height: 260px;
  border-radius: 50%;
  background: rgba(146, 47, 43, .1);
  content: "";
  filter: blur(26px);
  pointer-events: none;
}
.preview-toolbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: 16px 19px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 750;
}
.preview-toolbar span:first-child { display: inline-flex; align-items: center; gap: 7px; }
.preview-toolbar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px var(--ok-bg);
}
.preview-live { font-family: ui-monospace, Menlo, monospace; font-size: .63rem; }
.preview-main {
  position: relative;
  display: grid;
  grid-template-columns: 165px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 35px 27px 29px;
}
.preview-shield {
  position: relative;
  display: grid;
  width: 154px;
  height: 177px;
  place-items: center;
  color: var(--crit);
}
.preview-shield-halo {
  position: absolute;
  width: 124px;
  height: 124px;
  border-radius: 50%;
  background: var(--crit-bg);
}
.preview-shield-icon {
  position: relative;
  width: 154px;
  height: 154px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.3;
}
.preview-shield strong {
  position: absolute;
  top: 67px;
  font-size: 2.8rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.08em;
  line-height: 1;
}
.preview-shield > span:last-child {
  position: absolute;
  bottom: 0;
  color: var(--muted);
  font-size: .67rem;
  font-weight: 750;
}
.preview-rank {
  display: inline-flex;
  border-radius: 999px;
  background: var(--crit-bg);
  color: var(--crit);
  padding: 5px 9px;
  font-size: .65rem;
  font-weight: 850;
}
.preview-summary h2 { margin: 12px 0 2px; font-size: 1.55rem; letter-spacing: -.04em; }
.preview-summary > p { margin: 0; color: var(--muted); font-size: .74rem; }
.preview-summary dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: 18px 0 0; }
.preview-summary dl div { border-radius: 10px; background: var(--info-bg); padding: 9px; }
.preview-summary dt {
  color: var(--muted);
  font-size: .55rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.preview-summary dd { margin: 2px 0 0; font-size: .94rem; font-weight: 850; }
.preview-groups {
  display: grid;
  grid-template-columns: 1fr .72fr .48fr;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding: 19px;
}
.preview-line { height: 7px; border-radius: 999px; background: var(--info-bg); }
.preview-line-wide { background: color-mix(in srgb, var(--crit-bg) 72%, var(--info-bg)); }

.landing-features { padding: 76px 0 94px; border-top: 1px solid var(--line); }
.features-heading {
  display: grid;
  grid-template-columns: .45fr 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 32px;
}
.features-heading h2 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  letter-spacing: -.05em;
  line-height: 1.08;
}
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card {
  min-height: 242px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 93%, transparent);
  padding: 24px;
  box-shadow: 0 12px 40px rgba(29, 43, 64, .055);
}
.feature-icon {
  display: grid;
  width: 45px;
  height: 45px;
  place-items: center;
  border-radius: 13px;
  background: var(--landing-blue-soft);
  color: var(--landing-blue);
}
.feature-icon .landing-icon { width: 1.3rem; height: 1.3rem; }
.feature-card h3 { margin: 32px 0 9px; font-size: 1.05rem; letter-spacing: -.025em; }
.feature-card p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.65; }

.landing-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--surface) 98%, transparent), color-mix(in srgb, var(--ok-bg) 72%, var(--surface)));
  padding: 34px;
  box-shadow: 0 18px 54px rgba(29, 43, 64, .07);
}
.landing-cta .landing-eyebrow { margin-bottom: 7px; }
.landing-cta h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -.045em; }

:root[data-theme="dark"] .landing-body {
  --landing-accent-ink: #10151c;
  --landing-blue: #8ab4ff;
  --landing-blue-soft: #17243b;
}
:root[data-theme="dark"] .posture-preview {
  background: color-mix(in srgb, var(--surface) 97%, transparent);
}

@media (max-width: 920px) {
  .landing-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 64px; }
  .landing-copy { max-width: 760px; }
  .posture-preview { width: min(620px, 100%); transform: none; }
  .features-heading { grid-template-columns: 1fr; gap: 4px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-card h3 { margin-top: 22px; }
}

@media (max-width: 560px) {
  .landing-body .wrap { padding-inline: 16px; }
  .landing-body header.top .meta { display: none; }
  .landing-hero { gap: 44px; padding: 52px 0 66px; }
  .landing-copy h1 { font-size: clamp(2.35rem, 14vw, 3.3rem); }
  .landing-actions { flex-direction: column; }
  .landing-button { width: 100%; }
  .preview-main { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .preview-summary { width: 100%; }
  .preview-summary dl { text-align: left; }
  .preview-live { display: none; }
  .landing-features { padding: 62px 0 72px; }
  .landing-cta { align-items: stretch; flex-direction: column; padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-button { transition: none; }
  .landing-button:hover { transform: none; }
}