/* A single product explorer: navigation and content share one surface. */
#plataformas .platforms {
  grid-template-columns: minmax(250px,.75fr) minmax(0,1.6fr);
  gap: 0; padding: 0; overflow: hidden;
  border: 1px solid var(--line); border-top: 3px solid var(--brand-caldera);
  border-radius: 22px; background: #181818;
  box-shadow: 0 18px 45px #18181809;
}
#plataformas .platform-nav {
  padding: 20px 0 20px 16px; gap: 8px; background: #141414;
  border-right: 1px solid #ffffff1f; justify-content: center;
}
#plataformas .platform-nav button {
  position: relative; width: calc(100% + 1px); min-width: 0;
  min-height: 106px; padding: 20px 18px; gap: 14px;
  border: 1px solid transparent; border-right: 0;
  border-radius: 13px 0 0 13px; background: transparent;
  color: #f7f4f1; font-size: 16px; line-height: 1.4;
  box-shadow: none; transition: background .15s ease;
}
#plataformas .platform-nav button > span {
  display: grid; place-items: center; flex: 0 0 38px;
  height: 38px; border: 1px solid #ffffff29; border-radius: 10px;
  background: #ffffff08; color: #f7990e; font-size: 12px; font-weight: 700;
}
#plataformas .platform-nav button small { font-size: 13px; line-height: 1.5; color: #bdbdbd; }
#plataformas .platform-nav button:hover:not([aria-selected=true]) { background: #ffffff0a; }
#plataformas .platform-nav button[aria-selected=true] {
  background: #202020; border-color: #ffffff1f;
  box-shadow: inset 3px 0 var(--brand-caldera); color: #fff;
}
#plataformas .platform-nav button[aria-selected=true] > span {
  background: var(--brand-caldera); color: var(--ink); border-color: var(--brand-caldera);
}
#plataformas .platform-nav button:focus-visible { outline-offset: -5px; }
#plataformas .platform-panel {
  padding: clamp(26px,4vw,52px); border: 0; border-radius: 0;
  background: linear-gradient(125deg,#202020,#181818); color: #fff; min-width: 0;
}
#plataformas .platform-panel[hidden] { display: none; }
#plataformas .product-tag {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 28px; padding: 0; border-radius: 0;
  background: none; color: #ff9e80; font-size: 12px; letter-spacing: .1em;
}
#plataformas .product-tag:before { display: none; }
#plataformas .solution-icon svg { width: 24px; height: 24px; }
#plataformas .product-tag .solution-icon { display: grid; place-items: center; flex: 0 0 62px; height: 62px; border-radius: 17px; border: 1px solid #ffffff30; background: #ffffff07; box-shadow: inset 0 1px 0 #ffffff24, 0 7px 20px #0002; margin-right: 7px; }
#plataformas .product-tag .solution-icon svg { width: 33px; height: 33px; }
#plataformas .solution-icon .icon-surface { fill: currentColor; fill-opacity: .1; }
#plataformas .solution-icon .icon-accent { fill: currentColor; fill-opacity: .3; }
#plataformas .platform-panel h3 { font-size: clamp(28px,3.2vw,42px); font-weight: 700; line-height: 1.12; margin-bottom: 20px; color: #fff; }
#plataformas .platform-panel p { color: #ccc; font-size: 16px; line-height: 1.7; }
#plataformas .platform-panel ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; list-style: none; padding: 0; margin: 26px 0; }
#plataformas .platform-panel li { position: relative; padding: 15px 15px 15px 27px; margin: 0; border: 1px solid #ffffff24; border-radius: 10px; background: #ffffff05; color: #eee; font-size: 14px; line-height: 1.5; }
#plataformas .platform-panel li:before { content: ''; position: absolute; left: 13px; top: 20px; width: 3px; height: 14px; background: var(--brand-caldera); border-radius: 2px; }
#plataformas .platform-panel .panel-note { font-size: 13px; line-height: 1.6; border-left: 2px solid var(--brand-yellow); padding-left: 12px; }
#plataformas .platform-panel .button { background: var(--brand-deep); border-color: var(--brand-deep); color: #fff; }
#plataformas .platform-panel .button:hover { background: #96200a; }
@media(max-width:760px) {
  #plataformas .platforms { grid-template-columns: 1fr; }
  #plataformas .platform-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; padding: 12px; border-right: 0; border-bottom: 1px solid var(--line); }
  #plataformas .platform-nav button { width: 100%; padding: 12px; min-height: 100px; font-size: 14px; gap: 8px; border: 1px solid transparent; border-radius: 10px; }
  #plataformas .platform-nav button > span { flex-basis: 28px; height: 28px; border-radius: 7px; }
  #plataformas .platform-nav button small { font-size: 12px; }
  #plataformas .platform-panel { padding: 24px; }
}
@media(max-width:430px) {
  #plataformas .platform-nav button { flex-direction: column; align-items: flex-start; }
  #plataformas .platform-nav button > span { flex-basis: auto; width: 28px; }
  #plataformas .platform-panel ul { grid-template-columns: 1fr; }
}
@media(prefers-reduced-motion:reduce) { #plataformas .platform-nav button { transition: none; } }