/* =========================================================
   SaneSounds — additional sections (compare, sysreq, faq, price-note)
   Loaded after style.css. Inherits all design tokens.
   ========================================================= */

/* ---- price (buy card) ---- */
.buy-price{
  flex-wrap: wrap;
  row-gap: 8px;
}
.buy-price .price-stack{
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
}
.buy-price .price-note{
  align-self: center;
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--accent);
  white-space: nowrap;
}

/* ========== §06 — COMPARE ========== */
.compare{
  padding: 120px 48px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.compare-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}

.compare-col{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 32px 28px;
  background: var(--bg-1);
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 360px;
}

.compare-col h4{
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.08em;
  font-size: 11px;
  text-transform: uppercase;
}

.compare-col--others{ background: transparent; }

.compare-col--torn{
  background: linear-gradient(180deg, rgba(77,168,255,0.04), rgba(77,168,255,0.01));
  border-color: rgba(77,168,255,0.22);
  box-shadow: 0 30px 80px -30px rgba(77,168,255,0.18);
}

.compare-stack{
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-stack li{
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.5;
  text-wrap: pretty;
}
.compare-stack li:first-child{ border-top: 0; padding-top: 4px;}

.compare-stack .cs-n{
  color: var(--fg-4);
  font-size: 10px;
}
.compare-stack--torn .cs-n{ color: var(--accent); }
.compare-stack--torn li{ color: var(--fg); }

.compare-foot{
  margin-top: auto;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--fg-3);
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.compare-col--torn .compare-foot{ color: var(--fg-2); }

/* ========== §07 — SYSTEM REQUIREMENTS ========== */
.sysreq{
  padding: 120px 48px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.sysreq-grid{
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 24px;
  margin-top: 56px;
}

.sysreq-card{
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 28px 24px;
  background: var(--bg-1);
}

.sysreq-card h4{
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.1em;
  font-size: 11px;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.sysreq-list{
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sysreq-list > div{
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: baseline;
}
.sysreq-list dt{
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.sysreq-list dd{
  color: var(--fg);
  font-size: 14px;
  line-height: 1.45;
}

.sysreq-hosts{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
}
.sysreq-hosts li{
  color: var(--fg-2);
  font-size: 14px;
  padding-left: 14px;
  position: relative;
}
.sysreq-hosts li::before{
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.sysreq-note{
  margin-top: 36px;
  text-align: center;
  letter-spacing: 0.06em;
}

/* ========== §08 — FAQ ========== */
.faq{
  padding: 120px 48px;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.faq-list{
  margin-top: 56px;
  border-top: 1px solid var(--line);
}

.faq-item{
  border-bottom: 1px solid var(--line);
}

.faq-item summary{
  list-style: none;
  cursor: pointer;
  padding: 24px 8px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary:hover .faq-q{ color: var(--accent); }

.faq-q{
  font-family: var(--sans);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg);
  transition: color .2s ease;
  text-wrap: pretty;
}

.faq-icn{
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  position: relative;
  transition: transform .25s ease, border-color .2s ease;
}
.faq-icn::before,
.faq-icn::after{
  content: "";
  position: absolute;
  background: var(--fg-2);
  left: 50%; top: 50%;
  transition: opacity .2s ease;
}
.faq-icn::before{ width: 9px; height: 1px; transform: translate(-50%,-50%); }
.faq-icn::after{ width: 1px; height: 9px; transform: translate(-50%,-50%); }

.faq-item[open] .faq-icn{
  border-color: var(--accent);
  transform: rotate(45deg);
}
.faq-item[open] .faq-icn::after{ opacity: 0; }
.faq-item[open] .faq-icn::before{ background: var(--accent); }

.faq-a{
  padding: 0 8px 28px 0;
  max-width: 70ch;
}
.faq-a p{
  color: var(--fg-2);
  font-size: 16px;
  line-height: 1.65;
  text-wrap: pretty;
}
.faq-a code{
  font-family: var(--mono);
  font-size: 13px;
  padding: 2px 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--fg);
}

/* ========== responsive ========== */
@media (max-width: 880px){
  .compare{ padding: 80px 24px; }
  .compare-grid{ grid-template-columns: 1fr; gap: 20px; margin-top: 40px;}
  .compare-col{ min-height: 0; padding: 24px; }
  .compare-foot{ font-size: 16px; }

  .sysreq{ padding: 80px 24px; }
  .sysreq-grid{ grid-template-columns: 1fr; gap: 16px; margin-top: 40px;}
  .sysreq-card{ padding: 22px; }

  .faq{ padding: 80px 24px; }
  .faq-list{ margin-top: 40px; }
  .faq-item summary{ padding: 20px 4px 20px 0; }
}

/* ========== §10 — NEWSLETTER ========== */
.signup{
  padding: 100px 48px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.signup-inner{
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 56px 56px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(77,168,255,0.06), transparent 60%),
    var(--bg-1);
}
.signup-meta .sec-num{ margin-bottom: 16px;}
.signup-meta .h2{ margin-bottom: 18px; }
.signup-p{
  color: var(--fg-2);
  font-size: 16px; line-height: 1.6;
  max-width: 38ch;
  text-wrap: pretty;
  margin-bottom: 22px;
}
.signup-bullets{ display:flex; flex-direction: column; gap: 10px; }
.signup-bullets li{ display:flex; align-items: center; gap: 10px; color: var(--fg-3);}
.signup-bullets .dot{ width: 5px; height: 5px; border-radius: 50%; background: var(--accent);}

.signup-form{ display:flex; flex-direction: column; gap: 12px; position: relative;}
.signup-label{ color: var(--fg-3); letter-spacing: 0.08em;}
.signup-row{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: stretch;
}
.signup-input{
  font-family: var(--sans);
  font-size: 16px;
  padding: 16px 18px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  outline: none;
  transition: border-color .2s ease, background .2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.signup-input::placeholder{ color: var(--fg-4);}
.signup-input:focus-visible{
  border-color: var(--accent);
  outline: 2px solid rgba(77,168,255,0.25);
  outline-offset: 0;
}
.signup-btn{ padding: 0 22px; }
.signup-fineprint{
  color: var(--fg-4);
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-top: 4px;
}
.signup-fineprint a{ color: var(--fg-3); border-bottom: 1px solid var(--line-2);}
.signup-fineprint a:hover{ color: var(--accent); border-color: var(--accent);}
.signup-success{
  padding: 14px 16px;
  border: 1px solid rgba(77,168,255,0.4);
  background: rgba(77,168,255,0.06);
  border-radius: 8px;
  color: var(--accent);
  font-size: 14px;
}

@media (max-width: 880px){
  .signup{ padding: 60px 16px; }
  .signup-inner{
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 24px;
  }
  .signup-row{ grid-template-columns: 1fr; }
  .signup-btn{ padding: 16px 22px; justify-content: center; }
}