/* Main CTA buttons */
.btn-primary {
  display: inline-block;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--red);
  padding: 18px 48px;
  text-decoration: none;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  border: none;
  will-change: transform;
}

.btn-primary:hover {
  background: var(--red-hi);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(140,58,43,0.32);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--s500);
  text-decoration: none;
  padding: 18px 0;
  transition: color 0.25s, transform 0.25s;
  background: none;
  border: none;
}

.btn-ghost svg { transition: transform 0.25s; }
.btn-ghost:hover { color: var(--white); }
.btn-ghost:hover svg { transform: translateX(4px); }

.btn-dark {
  display: inline-block;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
  padding: 18px 48px;
  text-decoration: none;
  transition: background 0.25s, transform 0.25s;
  border: none;
  will-change: transform;
}

.btn-dark:hover {
  background: var(--red);
  transform: translateY(-2px);
}

/* Form submit */
.f-submit {
  width: 100%;
  padding: 18px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
  border: none;
  margin-top: 8px;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  will-change: transform;
}

.f-submit:hover {
  background: var(--red);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(140,58,43,0.22);
}

/* Audio & Toggles */
.play-btn {
  width: 38px; height: 38px;
  border: 1px solid var(--s300);
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s, transform 0.2s ease, box-shadow 0.2s ease;
}

.play-btn:hover, .play-btn.active {
  border-color: var(--red);
  background: rgba(140,58,43,0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.22);
}

.ver-btn {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--s400);
  background: none;
  border: none;
  padding: 6px 14px;
  position: relative;
  z-index: 1;
  transition: color 0.25s;
  line-height: 1;
  border-radius: 1px;
}

.ver-btn.active { color: var(--white); }