/* ============================================================
   Landing-only styles
   ============================================================ */

/* ---------- Hero ---------- */
.aud-hero {
  background: var(--aud-slate-800);
  color: var(--aud-white);
  padding: 96px 0 0;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
  overflow: hidden;
  position: relative;
}
.aud-hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
  padding-bottom: 96px;
}
.aud-hero__pill {
  display: inline-flex; align-items: center; gap: 10px;
  height: 28px; padding: 0 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 0.5px solid rgba(255,255,255,0.12);
  color: #cbd5e1;
  font-size: 12px;
  font-family: var(--aud-font-mono);
  margin-bottom: 28px;
}
.aud-hero__pill .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52,211,153,0.18);
}
.aud-hero h1 {
  font-size: clamp(40px, 5.6vw, 68px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.028em;
  color: #fff;
  margin: 0 0 24px 0;
}
.aud-hero h1 em {
  font-style: normal;
  color: #94a3b8;
  font-weight: 400;
}
.aud-hero__lead {
  font-size: 18px;
  line-height: 1.55;
  color: #cbd5e1;
  max-width: 520px;
  margin: 0 0 32px 0;
}
.aud-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.aud-hero__meta {
  margin-top: 40px;
  display: flex; gap: 32px;
  font-family: var(--aud-font-mono);
  font-size: 12px;
  color: #94a3b8;
}
.aud-hero__meta strong { color: #fff; font-weight: 500; display: block; font-size: 22px; font-family: var(--aud-font-sans); letter-spacing: -0.01em; margin-bottom: 4px; }

.aud-hero__viz {
  position: relative;
  background: rgba(255,255,255,0.03);
  border: 0.5px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  padding: 24px;
  height: 420px;
  display: flex;
  flex-direction: column;
}
.aud-hero__viz-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--aud-font-mono);
  font-size: 11px;
  color: #94a3b8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.aud-hero__viz-head .live { display: inline-flex; align-items: center; gap: 6px; }
.aud-hero__viz-head .live .dot {
  width: 6px; height: 6px; border-radius: 999px; background: #34d399;
  box-shadow: 0 0 0 3px rgba(52,211,153,0.18);
}
.aud-hero__viz canvas { display: block; flex: 1; width: 100%; }
.aud-hero__viz-feat {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 0.5px solid rgba(255,255,255,0.08);
  margin-top: 16px;
}
.aud-hero__viz-feat > div { display: flex; flex-direction: column; gap: 4px; }
.aud-hero__viz-feat .lbl {
  font-family: var(--aud-font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #94a3b8;
}
.aud-hero__viz-feat .val {
  font-family: var(--aud-font-mono);
  font-size: 18px;
  color: #fff;
  font-feature-settings: "tnum";
  letter-spacing: -0.01em;
}
.aud-hero__viz-feat .val .unit { color: #64748b; font-size: 12px; margin-left: 2px; }

@media (max-width: 960px) {
  .aud-hero__grid { grid-template-columns: 1fr; }
  .aud-hero__viz { height: 320px; }
}

/* ---------- Logo strip ---------- */
.aud-logos {
  background: var(--aud-white);
  border-bottom: 0.5px solid var(--aud-border);
  padding: 32px 0;
}
.aud-logos__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.aud-logos__lbl {
  font-family: var(--aud-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--aud-fg-3);
}
.aud-logos__row { display: flex; gap: 40px; align-items: center; flex-wrap: wrap; }
.aud-logos__row span {
  font-family: var(--aud-font-sans);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--aud-slate-400);
}

/* ---------- How it works ---------- */
.aud-how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.aud-step {
  background: var(--aud-white);
  border: 0.5px solid var(--aud-border);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 320px;
}
.aud-step__num {
  font-family: var(--aud-font-mono);
  font-size: 11px;
  color: var(--aud-fg-3);
  letter-spacing: 0.08em;
}
.aud-step__title {
  font-size: 20px;
  font-weight: 500;
  color: var(--aud-ink);
  letter-spacing: -0.01em;
  margin: 0;
}
.aud-step__body { color: var(--aud-fg-2); font-size: 14px; line-height: 1.6; flex: 1; }
.aud-step__viz {
  background: var(--aud-surface);
  border-radius: 8px;
  border: 0.5px solid var(--aud-border);
  padding: 16px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 880px) {
  .aud-how__grid { grid-template-columns: 1fr; }
}

/* ---------- Features (acoustic) ---------- */
.aud-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.aud-feature {
  background: var(--aud-white);
  border: 0.5px solid var(--aud-border);
  border-radius: 12px;
  padding: 20px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 160px;
  transition: border-color 150ms cubic-bezier(0.4,0,0.2,1), box-shadow 150ms cubic-bezier(0.4,0,0.2,1);
}
.aud-feature:hover {
  border-color: var(--aud-border-strong);
  box-shadow: var(--aud-shadow-2);
}
.aud-feature__lbl {
  font-family: var(--aud-font-mono);
  font-size: 11px;
  color: var(--aud-fg-3);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.aud-feature__name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--aud-ink);
}
.aud-feature__desc { font-size: 13px; line-height: 1.55; color: var(--aud-fg-2); }
.aud-feature__svg { margin-top: auto; }
@media (max-width: 880px) {
  .aud-features { grid-template-columns: 1fr 1fr; }
}

/* ---------- FHIR / integrations ---------- */
.aud-fhir__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}
.aud-fhir__diagram {
  background: var(--aud-slate-800);
  border-radius: 16px;
  padding: 32px;
  border: 0.5px solid rgba(255,255,255,0.08);
}
.aud-fhir__list {
  list-style: none; padding: 0; margin: 24px 0 0 0;
  display: flex; flex-direction: column; gap: 12px;
}
.aud-fhir__list li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 0.5px solid var(--aud-border);
  font-size: 14px;
  align-items: flex-start;
}
.aud-fhir__list li:last-child { border-bottom: 0; }
.aud-fhir__list code {
  font-family: var(--aud-font-mono);
  font-size: 12px;
  background: var(--aud-slate-100);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--aud-ink);
  flex-shrink: 0;
}
.aud-fhir__list span { color: var(--aud-fg-2); line-height: 1.55; }
@media (max-width: 880px) {
  .aud-fhir__grid { grid-template-columns: 1fr; }
}

/* ---------- Security ---------- */
.aud-security {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.aud-security__card {
  background: rgba(255,255,255,0.03);
  border: 0.5px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  padding: 24px;
}
.aud-security__card h3 { color: #fff; font-size: 17px; font-weight: 500; margin: 12px 0 8px 0; letter-spacing: -0.01em; }
.aud-security__card p { color: #94a3b8; font-size: 14px; line-height: 1.6; margin: 0; }
.aud-security__card .badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--aud-font-mono); font-size: 11px;
  color: #cbd5e1; letter-spacing: 0.06em; text-transform: uppercase;
}
.aud-security__card .badge::before {
  content:""; width:6px;height:6px;border-radius:999px;background:#34d399;
}
@media (max-width: 880px) {
  .aud-security { grid-template-columns: 1fr; }
}

/* ---------- Pricing / talk to us ---------- */
.aud-talk {
  background: var(--aud-ink);
  color: #fff;
  border-radius: 20px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  border: 0.5px solid rgba(255,255,255,0.06);
}
.aud-talk h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 16px 0 16px 0;
  color: #fff;
}
.aud-talk p { color: #cbd5e1; line-height: 1.6; max-width: 520px; margin: 0 0 24px 0; }
.aud-talk__cta { display: flex; gap: 12px; flex-wrap: wrap; }
.aud-talk__panel {
  background: rgba(255,255,255,0.03);
  border-radius: 14px;
  padding: 24px;
  border: 0.5px solid rgba(255,255,255,0.08);
}
.aud-talk__panel h4 {
  font-family: var(--aud-font-mono);
  font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase;
  color: #94a3b8; margin: 0 0 16px 0;
}
.aud-talk__panel ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: #cbd5e1; }
.aud-talk__panel li::before { content: "→ "; color: var(--aud-brand); margin-right: 6px; color: #94a3b8; }
@media (max-width: 880px) {
  .aud-talk { grid-template-columns: 1fr; padding: 40px; }
}

/* ---------- Section header (consistent treatment) ---------- */
.aud-sec-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
  margin-bottom: 0;
}
.aud-sec-head .kicker { margin-bottom: 16px; }
@media (max-width: 880px) {
  .aud-sec-head { grid-template-columns: 1fr; gap: 16px; align-items: start; }
}