/* ============================================================
   Ether Radio — support & product page
   Extends css/styles.css (same tokens, same voice)
   ============================================================ */

/* ---------- Sub-page nav ---------- */
.er-back{font-size:13px;color:var(--text-muted);}
.er-back:hover{color:var(--accent);}

/* ---------- Hero ---------- */
.az-hero.er-hero{padding:64px 0 72px;}
.er-hero-inner{max-width:760px;}
.er-appicon{
  width:88px;height:88px;border-radius:20px;display:block;margin:0 0 28px;
  box-shadow:var(--shadow-panel);
  animation:az-rise .5s var(--ease-standard) both;
}
.er-hero-h{
  font-family:var(--font-serif-display);font-style:italic;
  font-size:58px;line-height:1.05;letter-spacing:-0.015em;font-weight:500;
  color:var(--text-display);margin:0 0 22px;text-wrap:pretty;
  animation:az-rise .6s var(--ease-standard) .05s both;
}
.er-hero-sub{
  font-size:20px;line-height:1.55;color:var(--text-muted);
  max-width:620px;margin:0 0 30px;text-wrap:pretty;
  animation:az-rise .6s var(--ease-standard) .12s both;
}
.er-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  animation:az-rise .6s var(--ease-standard) .18s both;
}
.er-chip{
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;
  border:1px solid var(--border-soft);color:var(--text-muted);
}
.er-chip--accent{border-color:transparent;background:var(--surface-tile);color:var(--terracotta-600);}

/* ---------- Screenshot showcase ---------- */
.er-shots-wrap{
  background:var(--surface-tile);border-radius:24px;
  padding:56px 48px 0;margin-top:6px;overflow:hidden;
}
.er-shots-head{max-width:560px;margin:0 auto 44px;text-align:center;}
.er-shots-head .az-kicker{display:block;margin-bottom:12px;}
.er-shots-head h2{
  font-family:var(--font-serif-display);font-style:italic;font-weight:500;
  font-size:34px;color:var(--text-display);margin:0 0 12px;text-wrap:pretty;
}
.er-shots-head p{font-size:16px;color:var(--text-muted);margin:0;text-wrap:pretty;}

.er-shots{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;align-items:stretch;max-width:820px;margin:0 auto;
}
.er-shot{margin:0;display:flex;flex-direction:column;}
.er-shot img{
  display:block;width:100%;height:auto;
  border-radius:14px;
  filter:drop-shadow(0 18px 40px rgba(42,36,29,.22));
}
.er-shot figcaption{
  /* margin-top:auto lines both captions up in a row despite the two panels'
     differing heights, while the popover headers stay aligned at the top */
  margin-top:auto;padding-top:22px;padding-bottom:52px;
  font-size:14px;line-height:1.55;color:var(--text-muted);text-wrap:pretty;
}
.er-shot figcaption strong{display:block;color:var(--text-display);font-weight:700;font-size:15px;margin-bottom:4px;}

/* ---------- Generic sub-page section ---------- */
.er-section{padding:70px 0;border-top:1px solid var(--border-hairline);}
#screenshots.er-section{border-top:none;padding-top:10px;}
.er-section > .az-kicker{display:block;margin-bottom:12px;}
.er-section .az-h2{margin-bottom:14px;}
.er-lede{font-size:17px;color:var(--text-muted);max-width:640px;margin:0 0 40px;text-wrap:pretty;}

/* ---------- Feature grid ---------- */
.er-features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.er-feature{
  background:var(--surface-card);border:1px solid var(--border-hairline);
  border-radius:16px;padding:26px;
}
.er-feature-icon{
  width:34px;height:34px;border-radius:9px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-tile);color:var(--terracotta-600);
}
.er-feature h3{font-size:16px;font-weight:700;color:var(--text-display);margin:0 0 8px;}
.er-feature p{font-size:14px;color:var(--text-muted);margin:0;text-wrap:pretty;}

/* ---------- Prose (how it works, privacy) ---------- */
.er-prose{max-width:680px;}
.er-prose h2{
  font-family:var(--font-serif-display);font-style:italic;font-weight:500;
  font-size:28px;color:var(--text-display);margin:44px 0 14px;
}
.er-prose h2:first-child{margin-top:0;}
.er-prose h3{font-size:16px;font-weight:700;color:var(--text-display);margin:28px 0 8px;}
.er-prose p{font-size:16.5px;line-height:1.65;color:var(--text-body);margin:0 0 16px;text-wrap:pretty;}
.er-prose ul{margin:0 0 18px;padding-left:20px;}
.er-prose li{font-size:16.5px;line-height:1.6;color:var(--text-body);margin-bottom:8px;text-wrap:pretty;}
.er-prose strong{color:var(--text-display);font-weight:700;}
.er-effective{font-size:13px;color:var(--text-faint);margin:0 0 34px;}

.er-callout{
  background:var(--surface-tile);border-radius:16px;padding:26px 28px;
  margin:0 0 34px;
}
.er-callout p{margin:0;color:var(--espresso-800);}
.er-callout p + p{margin-top:12px;}

/* ---------- FAQ ---------- */
.er-faq{max-width:760px;border-top:1px solid var(--border-hairline);}
.er-faq details{border-bottom:1px solid var(--border-hairline);}
.er-faq summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:16px;font-weight:600;color:var(--text-display);
  transition:color var(--dur-fast) var(--ease-standard);
}
.er-faq summary::-webkit-details-marker{display:none;}
.er-faq summary:hover{color:var(--accent);}
.er-faq summary::after{
  content:"";position:absolute;right:8px;top:26px;
  width:8px;height:8px;border-right:1.6px solid var(--text-faint);border-bottom:1.6px solid var(--text-faint);
  transform:rotate(45deg);transition:transform var(--dur-med) var(--ease-standard);
}
.er-faq details[open] summary::after{transform:rotate(-135deg);}
.er-faq .er-answer{padding:0 40px 22px 0;}
.er-faq .er-answer p{font-size:15.5px;line-height:1.6;color:var(--text-muted);margin:0 0 12px;text-wrap:pretty;}
.er-faq .er-answer p:last-child{margin-bottom:0;}
.er-faq .er-answer ul{margin:0 0 12px;padding-left:20px;}
.er-faq .er-answer li{font-size:15.5px;line-height:1.6;color:var(--text-muted);margin-bottom:6px;}

.er-faq-group{margin-bottom:44px;}
.er-faq-group > h3{
  font-size:var(--text-kicker);letter-spacing:var(--tracking-kicker);text-transform:uppercase;
  color:var(--text-accent);font-weight:600;margin:0 0 4px;
}

/* ---------- Support / contact block ---------- */
.er-support{
  background:var(--espresso-800);color:var(--cream-100);
  border-radius:20px;padding:48px;display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;
}
.er-support .az-kicker{color:var(--gold-500);display:block;margin-bottom:12px;}
.er-support h2{
  font-family:var(--font-serif-display);font-style:italic;font-weight:500;
  font-size:32px;color:var(--cream-050);margin:0 0 14px;text-wrap:pretty;
}
.er-support p{font-size:16px;color:rgba(250,247,241,.72);margin:0 0 14px;text-wrap:pretty;}
.er-support p:last-child{margin-bottom:0;}
.er-support .az-btn{padding:13px 28px;margin-top:8px;}
.er-support-list{list-style:none;margin:0;padding:0;}
.er-support-list li{
  font-size:14.5px;color:rgba(250,247,241,.72);padding:12px 0;
  border-bottom:1px solid rgba(250,247,241,.12);
}
.er-support-list li:last-child{border-bottom:none;}
.er-support-list strong{display:block;color:var(--cream-050);font-weight:600;font-size:13px;margin-bottom:2px;}

/* ---------- Footer links ---------- */
.er-footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.er-footer-links a{color:var(--text-faint);}
.er-footer-links a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .er-shots-wrap{padding:40px 24px 0;border-radius:18px;}
  .er-shots{grid-template-columns:1fr;gap:8px;max-width:380px;}
  .er-shot figcaption{padding-bottom:40px;}
  .er-shots-head h2{font-size:27px;}
  /* the shared nav hides all links under 860px; keep the support button reachable */
  .az-navlinks{display:flex;gap:0;}
  .az-navlinks a:not(.az-btn){display:none;}
  .er-hero-h{font-size:40px;}
  .er-features{grid-template-columns:1fr;}
  .er-support{grid-template-columns:1fr;gap:32px;padding:32px;}
  .az-hero.er-hero{padding:40px 0 56px;}
}

@media (prefers-reduced-motion:reduce){
  .er-appicon,.er-hero-h,.er-hero-sub,.er-meta{animation:none;}
}