/* ---------- Product: platform ---------- */
.platform-showcase {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  margin-top: var(--gap-section);
  --mosaic-h: clamp(500px, 40vw, 560px);
}

.platform-column-left,
.platform-column-right {
  display: contents;
}

.platform-intro {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  column-gap: 24px;
  align-items: end;
  margin-bottom: clamp(18px, 2.6vw, 38px);
}

.platform-step {
  grid-column: 1 / -1;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.platform-step::after {
  content: "";
  display: inline-block;
  width: 40px;
  height: 1px;
  margin-left: 12px;
  vertical-align: middle;
  background: var(--line-strong);
}

.platform-intro h2 {
  grid-column: 1;
  grid-row: 2 / span 2;
  font-size: clamp(2.1rem, 4.4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.platform-intro p {
  grid-column: 2;
  font-size: 1rem;
  color: var(--ink-2);
}

.platform-intro h2 + p {
  align-self: end;
}

.platform-intro p + p {
  align-self: start;
  margin-top: 10px;
  padding-bottom: 6px;
}

.platform-card,
.platform-community-card {
  border: 1px solid rgba(15, 20, 24, 0.06);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.platform-card {
  padding: 20px;
}

.platform-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-card-header strong {
  font-size: 0.95rem;
  letter-spacing: -0.015em;
}

.platform-card-arrow {
  display: grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  transition: background-color 0.25s, color 0.25s, transform 0.3s var(--ease);
}

.platform-card-arrow svg {
  width: 14px;
  height: 14px;
}

@media (hover: hover) {
  .platform-card:hover .platform-card-arrow,
  .platform-community-card:hover .platform-card-arrow {
    background: var(--ink);
    color: #fff;
    transform: translateX(2px);
  }
}

.platform-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(53, 165, 110, 0.16);
  animation: live-pulse 2.4s ease-out infinite;
}

@keyframes live-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(53, 165, 110, 0.45);
  }

  70%,
  100% {
    box-shadow: 0 0 0 9px rgba(53, 165, 110, 0);
  }
}

.platform-live-card {
  grid-column: 10 / -1;
  grid-row: 2;
}

.platform-live-body {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.platform-live-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.platform-live-body div {
  display: grid;
  gap: 2px;
}

.platform-live-body div strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.platform-live-body div b {
  font-size: 0.82rem;
  color: var(--green);
}

.platform-live-body div small {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-3);
}

.platform-live-map {
  grid-column: 1 / -1;
  display: block;
  overflow: hidden;
  border-radius: var(--r-md);
}

.platform-live-map img {
  width: 100%;
  height: auto;
}

.platform-alerts-card {
  grid-column: 10 / -1;
  grid-row: 3;
  display: flex;
  flex-direction: column;
}

.platform-shield-icon {
  display: grid;
  color: var(--blue);
}

.platform-alert-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  margin-top: 16px;
}

.platform-alert-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 2px;
  border-top: 1px solid var(--line);
}

.platform-alert-list li > i {
  display: grid;
  color: var(--ink-2);
}

.platform-alert-list li > i svg {
  width: 18px;
  height: 18px;
}

.platform-alert-list li strong {
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.platform-alert-list time {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-3);
  white-space: nowrap;
}

.platform-alert-list .platform-alert-orange {
  color: #d9822b;
}

.platform-alert-list .platform-alert-red {
  color: var(--red);
}

.platform-alert-list .platform-alert-urgent {
  margin-bottom: 4px;
  padding: 12px;
  border: 0;
  border-radius: var(--r-md);
  background: #fdeeed;
}

.platform-alert-urgent + li {
  border-top: 0;
}

.platform-alert-list .platform-alert-urgent > i {
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  background: #f9d5d3;
  color: var(--red);
}

.platform-alert-urgent span {
  display: grid;
  gap: 2px;
}

.platform-alert-urgent span small {
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--ink-2);
}

.platform-column-center {
  position: relative;
  grid-column: 6 / span 4;
  grid-row: 2 / span 2;
  min-height: var(--mosaic-h);
}

.platform-route-card {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: #cfe0f2;
}

.platform-route-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 100%;
  transition: transform 1.2s var(--ease);
}

@media (hover: hover) {
  .platform-column-center:hover .platform-route-card img {
    transform: scale(1.025);
  }
}

.platform-community-card {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 12px;
  left: 12px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 16px 34px -22px rgba(16, 28, 48, 0.5);
}

.platform-community-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.platform-community-card h3 {
  font-size: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.platform-community-card p {
  margin-top: 4px;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--ink-2);
}

.platform-night-card {
  position: relative;
  grid-column: 1 / span 5;
  grid-row: 2 / span 2;
  overflow: hidden;
  min-height: var(--mosaic-h);
  border-radius: var(--r-lg);
  background: var(--night);
  color: #fff;
}

.platform-night-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% 50%;
  transition: transform 1.2s var(--ease);
}

@media (hover: hover) {
  .platform-night-card:hover img {
    transform: scale(1.025);
  }
}

.platform-night-copy {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 120px clamp(20px, 2.4vw, 32px) clamp(22px, 2.4vw, 32px);
  background: linear-gradient(to top, rgba(8, 12, 22, 0.86) 8%, rgba(8, 12, 22, 0.5) 52%, transparent);
}

.platform-night-copy span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.platform-night-copy h3 {
  max-width: 11ch;
  margin-top: 14px;
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  letter-spacing: -0.04em;
}

.platform-night-copy p {
  max-width: 34ch;
  margin-top: 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.78);
}

.platform-led-card {
  grid-column: 1 / -1;
  grid-row: 4;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
  grid-template-rows: 1fr auto 1fr;
  column-gap: 24px;
  align-items: center;
  overflow: hidden;
  min-height: 214px;
  padding: 0 clamp(24px, 4vw, 60px);
  border-radius: var(--r-lg);
  background: var(--night);
  color: var(--on-night);
}

.platform-led-title {
  grid-column: 1;
  grid-row: 1 / -1;
  max-width: 13ch;
  font-size: clamp(1.7rem, 2.9vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.platform-led-device {
  grid-column: 2;
  grid-row: 1 / -1;
  justify-self: center;
  width: min(112%, 300px);
  max-width: none;
  margin-block: -50px;
  filter: drop-shadow(0 0 46px rgba(150, 140, 255, 0.36));
}

.platform-led-copy {
  grid-column: 3;
  grid-row: 2;
}

.platform-led-copy p {
  max-width: 34ch;
  font-size: 0.95rem;
  color: var(--on-night-2);
}

.platform-led-palette {
  grid-column: 3;
  grid-row: 3;
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.platform-led-palette i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 0 3px var(--night), 0 0 0 4px rgba(255, 255, 255, 0.16), 0 0 18px -2px var(--c);
  transition: transform 0.3s var(--ease);
}

.platform-led-palette i:nth-child(1) { --c: #58a6f0; }
.platform-led-palette i:nth-child(2) { --c: #7ddc7b; }
.platform-led-palette i:nth-child(3) { --c: #f2ec5c; }
.platform-led-palette i:nth-child(4) { --c: #f5a243; }
.platform-led-palette i:nth-child(5) { --c: #ef5d5d; }
.platform-led-palette i:nth-child(6) { --c: #dd6fe0; }
.platform-led-palette i:nth-child(7) { --c: #7a54d8; }

@media (hover: hover) {
  .platform-led-palette i:hover {
    transform: scale(1.2);
  }
}

@media (max-width: 1100px) {
  .platform-led-palette {
    gap: 8px;
  }

  .platform-led-palette i {
    width: 19px;
    height: 19px;
  }

  .platform-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    --mosaic-h: clamp(440px, 62vw, 600px);
  }

  .platform-intro {
    grid-template-columns: 1fr;
  }

  .platform-intro h2,
  .platform-intro p {
    grid-column: 1;
    grid-row: auto;
  }

  .platform-intro h2 {
    margin-bottom: 20px;
  }

  .platform-intro p {
    max-width: 52ch;
  }

  .platform-night-card {
    grid-column: 1;
    grid-row: 2;
  }

  .platform-column-center {
    grid-column: 2;
    grid-row: 2;
  }

  .platform-live-card {
    grid-column: 1;
    grid-row: 3;
  }

  .platform-alerts-card {
    grid-column: 2;
    grid-row: 3;
  }

  .platform-led-card {
    grid-row: 4;
  }

  .platform-live-body {
    grid-template-columns: auto 1fr minmax(0, 46%);
  }

  .platform-live-map {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  .platform-showcase {
    grid-template-columns: 1fr;
    gap: 12px;
    --mosaic-h: 0px;
  }

  .platform-night-card,
  .platform-column-center,
  .platform-live-card,
  .platform-alerts-card,
  .platform-led-card {
    grid-column: 1;
    grid-row: auto;
  }

  .platform-night-card {
    aspect-ratio: 4 / 5;
  }

  .platform-night-card img {
    object-position: 38% 50%;
  }

  .platform-column-center {
    display: grid;
    gap: 12px;
  }

  .platform-community-card,
  .platform-route-card {
    position: static;
  }

  .platform-community-card {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--surface);
    box-shadow: none;
    border-radius: var(--r-lg);
    padding: 16px;
  }

  .platform-route-card {
    aspect-ratio: 941 / 1300;
  }

  .platform-led-card {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    padding: 30px 24px 28px;
  }

  .platform-led-title,
  .platform-led-device,
  .platform-led-copy,
  .platform-led-palette {
    grid-column: 1;
    grid-row: auto;
  }

  .platform-led-title {
    max-width: none;
  }

  .platform-led-device {
    width: min(78%, 300px);
    margin-block: -24px -30px;
  }
}