/*
 * Classic homepage composition derived from the production/main reliability explorer.
 * This file is loaded only for ui=classic. Cinematic markup and styling are untouched.
 */

.ui-classic .home-reliability-explorer--classic {
  position: relative;
  padding: 96px 24px;
  border-top: 1px solid rgba(37, 99, 235, .08);
  border-bottom: 1px solid rgba(37, 99, 235, .08);
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(41, 98, 255, .16), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(16, 185, 129, .14), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.ui-classic .home-reliability-explorer--classic::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, #000, transparent 72%);
}

.ui-classic .home-reliability-explorer--classic > .home-shell {
  position: relative;
  z-index: 1;
  display: block;
  width: min(1180px, 100%);
  margin-inline: auto;
}

.ui-classic .classic-experience-shell {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(300px, 420px) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.ui-classic .classic-experience-copy,
.ui-classic .classic-risk-panel,
.ui-classic .classic-stack-card {
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 26px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 26px 74px rgba(37, 99, 235, .12);
  backdrop-filter: blur(18px);
}

.ui-classic .classic-experience-copy,
.ui-classic .classic-risk-panel {
  min-width: 0;
  padding: 28px;
}

.ui-classic .classic-experience-kicker {
  display: inline-flex;
  margin: 0 0 12px;
  color: #2563eb;
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ui-classic .classic-experience-copy h2,
.ui-classic .classic-stack-explorer-head h2 {
  margin: 0;
  color: #0f172a;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  text-wrap: balance;
}

.ui-classic .classic-experience-copy > p:last-child,
.ui-classic .classic-stack-explorer-head > p:last-child,
.ui-classic .classic-risk-panel > p:not(.classic-experience-kicker),
.ui-classic .classic-stack-copy > p:not(.classic-experience-kicker) {
  margin: 16px 0 0;
  color: #475569;
  line-height: 1.7;
}

.ui-classic .classic-risk-orbit {
  position: relative;
  width: min(420px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(37, 99, 235, .16), rgba(255, 255, 255, .76) 48%, transparent 70%);
  isolation: isolate;
}

.ui-classic .classic-risk-orbit::before {
  content: "";
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 99, 235, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, #000, transparent 74%);
}

.ui-classic .classic-orbit-ring {
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(37, 99, 235, .24);
  border-radius: 50%;
  pointer-events: none;
  animation: classic-orbit-pulse 4.8s ease-in-out infinite;
}

.ui-classic .classic-orbit-ring.is-inner {
  inset: 24%;
  animation-delay: 1.4s;
}

.ui-classic .classic-risk-node {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 5;
  width: 128px;
  min-height: 58px;
  padding: 0;
  border: 1px solid rgba(37, 99, 235, .22);
  border-radius: 999px;
  color: #1e3a8a;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 14px 36px rgba(37, 99, 235, .16);
  cursor: pointer;
  font: inherit;
  font-size: .82rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}

.ui-classic .classic-risk-node:nth-child(1) {
  transform: translate(-50%, -50%) translate(124px, -96px);
}

.ui-classic .classic-risk-node:nth-child(2) {
  transform: translate(-50%, -50%) translate(124px, 96px);
}

.ui-classic .classic-risk-node:nth-child(3) {
  transform: translate(-50%, -50%) translate(-124px, 96px);
}

.ui-classic .classic-risk-node:nth-child(4) {
  transform: translate(-50%, -50%) translate(-124px, -96px);
}

.ui-classic .classic-risk-node span {
  display: block;
  padding: 9px 12px;
}

.ui-classic .classic-risk-node:hover,
.ui-classic .classic-risk-node:focus-visible,
.ui-classic .classic-risk-node.is-active {
  border-color: rgba(37, 99, 235, .94);
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 16px 38px rgba(37, 99, 235, .26);
  outline: none;
}

.ui-classic .classic-risk-node:nth-child(1):hover,
.ui-classic .classic-risk-node:nth-child(1):focus-visible,
.ui-classic .classic-risk-node:nth-child(1).is-active {
  transform: translate(-50%, -50%) translate(124px, -100px);
}

.ui-classic .classic-risk-node:nth-child(2):hover,
.ui-classic .classic-risk-node:nth-child(2):focus-visible,
.ui-classic .classic-risk-node:nth-child(2).is-active {
  transform: translate(-50%, -50%) translate(128px, 96px);
}

.ui-classic .classic-risk-node:nth-child(3):hover,
.ui-classic .classic-risk-node:nth-child(3):focus-visible,
.ui-classic .classic-risk-node:nth-child(3).is-active {
  transform: translate(-50%, -50%) translate(-124px, 100px);
}

.ui-classic .classic-risk-node:nth-child(4):hover,
.ui-classic .classic-risk-node:nth-child(4):focus-visible,
.ui-classic .classic-risk-node:nth-child(4).is-active {
  transform: translate(-50%, -50%) translate(-128px, -96px);
}

.ui-classic .classic-risk-core {
  position: absolute;
  inset: 31%;
  z-index: 2;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(37, 99, 235, .26);
  border-radius: 50%;
  background: radial-gradient(circle, #fff, #dbeafe);
  box-shadow: 0 0 0 14px rgba(219, 234, 254, .54), 0 22px 58px rgba(37, 99, 235, .18);
  text-align: center;
  pointer-events: none;
}

.ui-classic .classic-risk-core strong {
  color: #0f172a;
  font-size: 1.05rem;
  line-height: 1.18;
}

.ui-classic .classic-risk-core span {
  max-width: 150px;
  color: #1e40af;
  font-size: .76rem;
  line-height: 1.25;
}

.ui-classic .classic-risk-panel h3,
.ui-classic .classic-stack-copy h3 {
  margin: 0;
  color: #0f172a;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.ui-classic .classic-risk-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}

.ui-classic .classic-risk-panel-grid > div,
.ui-classic .classic-stack-signals {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(37, 99, 235, .14);
  border-radius: 18px;
  background: rgba(255, 255, 255, .76);
}

.ui-classic .classic-risk-panel-grid strong,
.ui-classic .classic-stack-signals strong {
  color: #2563eb;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.ui-classic .classic-risk-panel-grid ul,
.ui-classic .classic-stack-signals ul {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.ui-classic .classic-risk-panel-grid li,
.ui-classic .classic-stack-signals li {
  color: #475569;
  font-size: .88rem;
  line-height: 1.45;
}

.ui-classic .classic-risk-panel-grid li::before,
.ui-classic .classic-stack-signals li::before {
  content: "→";
  margin-right: 8px;
  color: #2563eb;
  font-weight: 900;
}

.ui-classic .classic-experience-action {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid #2563eb;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 14px 34px rgba(37, 99, 235, .2);
  cursor: pointer;
  font: 800 .88rem/1.2 inherit;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease;
}

.ui-classic .classic-experience-action:hover,
.ui-classic .classic-experience-action:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, .26);
  outline: none;
}

.ui-classic .classic-stack-explorer {
  margin-top: 52px;
}

.ui-classic .classic-stack-explorer-head {
  max-width: 760px;
  margin-bottom: 22px;
}

.ui-classic .classic-stack-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.ui-classic .classic-stack-tab {
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 999px;
  color: #1e3a8a;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 22px rgba(37, 99, 235, .06);
  cursor: pointer;
  font: inherit;
  font-size: .82rem;
  font-weight: 900;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}

.ui-classic .classic-stack-tab:hover,
.ui-classic .classic-stack-tab:focus-visible,
.ui-classic .classic-stack-tab.is-active {
  transform: translateY(-2px);
  border-color: #2563eb;
  color: #fff;
  background: #2563eb;
  outline: none;
}

.ui-classic .classic-stack-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .85fr) minmax(240px, .65fr);
  gap: 16px;
  align-items: stretch;
  padding: 26px;
}

.ui-classic .classic-stack-copy {
  align-self: center;
}

.ui-classic .classic-stack-tool-cloud {
  min-height: 180px;
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  justify-content: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(37, 99, 235, .14);
  border-radius: 22px;
  background:
    radial-gradient(circle at 30% 30%, rgba(34, 197, 94, .12), transparent 34%),
    rgba(255, 255, 255, .76);
}

.ui-classic .classic-stack-tool-cloud span {
  display: inline-flex;
  padding: 9px 12px;
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 999px;
  color: #1e40af;
  background: #eef6ff;
  box-shadow: 0 7px 20px rgba(37, 99, 235, .07);
  font-size: .82rem;
  font-weight: 900;
  animation: classic-float-tag 3.8s ease-in-out infinite;
}

.ui-classic .classic-stack-tool-cloud span:nth-child(2n) { animation-delay: .6s; }
.ui-classic .classic-stack-tool-cloud span:nth-child(3n) { animation-delay: 1.1s; }

.ui-classic .classic-stack-signals {
  align-self: stretch;
}

@keyframes classic-orbit-pulse {
  0%, 100% { opacity: .32; transform: scale(1); }
  50% { opacity: .78; transform: scale(1.035); }
}

@keyframes classic-float-tag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 1100px) {
  .ui-classic .classic-experience-shell {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  }

  .ui-classic .classic-experience-copy {
    grid-column: 1 / -1;
    max-width: 760px;
  }

  .ui-classic .classic-stack-card {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr);
  }

  .ui-classic .classic-stack-signals {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .ui-classic .home-reliability-explorer--classic {
    padding: 56px 18px;
    overflow-x: clip;
  }

  .ui-classic .classic-experience-shell,
  .ui-classic .classic-stack-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .ui-classic .classic-experience-copy,
  .ui-classic .classic-risk-panel {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 24px 18px;
    border-radius: 24px;
  }

  .ui-classic .classic-experience-copy h2,
  .ui-classic .classic-stack-explorer-head h2 {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
    line-height: 1.12;
  }

  .ui-classic .classic-risk-orbit {
    width: 100%;
    max-width: 100%;
    aspect-ratio: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    margin: 0;
    padding: 0;
    border-radius: 0;
    background: transparent;
  }

  .ui-classic .classic-risk-orbit::before,
  .ui-classic .classic-orbit-ring,
  .ui-classic .classic-risk-core {
    display: none;
  }

  .ui-classic .classic-risk-node,
  .ui-classic .classic-risk-node:nth-child(n),
  .ui-classic .classic-risk-node:nth-child(n):hover,
  .ui-classic .classic-risk-node:nth-child(n):focus-visible,
  .ui-classic .classic-risk-node:nth-child(n).is-active {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    min-height: 54px;
    transform: none;
  }

  .ui-classic .classic-risk-panel-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .ui-classic .classic-experience-action {
    width: 100%;
  }

  .ui-classic .classic-stack-explorer {
    margin-top: 34px;
  }

  .ui-classic .classic-stack-tabs {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .ui-classic .classic-stack-tab {
    width: 100%;
    min-height: 48px;
    text-align: center;
  }

  .ui-classic .classic-stack-card {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .ui-classic .classic-stack-signals {
    grid-column: auto;
  }

  .ui-classic .classic-stack-tool-cloud {
    min-height: 0;
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ui-classic .classic-orbit-ring,
  .ui-classic .classic-stack-tool-cloud span {
    animation: none;
  }
}