@import url("../base.css");
@import url("../components.css");
@import url("./platform.css");
@import url("./frontend-final.css");
@import url("./category-signatures.css");

:root {
  color-scheme: dark;
}

html[data-theme="dark"] body.inner-page {
  background:
    radial-gradient(circle at 14% 3%, rgba(16, 200, 232, .08), transparent 24rem),
    radial-gradient(circle at 88% 9%, rgba(236, 72, 153, .07), transparent 22rem),
    var(--ibt-bg);
}

.inner-page {
  min-height: 100vh;
  color: var(--ibt-text);
}

.inner-page main {
  overflow: clip;
}

.inner-page .platform-hero {
  min-height: min(860px, 100svh);
  display: grid;
  align-items: center;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--ibt-muted);
  font-size: var(--ibt-text-sm);
}

.breadcrumbs a:hover {
  color: var(--ibt-text);
}

.hero-copy {
  min-width: 0;
}

.hero-copy h1 {
  text-wrap: balance;
}

.hero-copy p {
  line-height: 1.9;
}

.source-visual {
  position: relative;
  min-width: 0;
  border: 1px solid var(--ibt-border);
  border-radius: 30px;
  overflow: hidden;
  background: #071025;
  box-shadow: var(--ibt-shadow-lg);
  isolation: isolate;
}

.source-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04);
}

.source-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  display: block;
  object-fit: cover;
  object-position: top center;
}

.source-visual figcaption {
  position: absolute;
  right: 16px;
  left: 16px;
  bottom: 16px;
  padding: 11px 13px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: rgba(5, 10, 26, .72);
  color: #dce6ff;
  backdrop-filter: blur(14px);
  font-size: 12px;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.route-card {
  position: relative;
  min-width: 0;
  min-height: 260px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ibt-border);
  border-radius: 24px;
  background: linear-gradient(155deg, color-mix(in srgb, var(--ibt-surface) 96%, transparent), color-mix(in srgb, var(--ibt-bg-soft) 74%, transparent));
  box-shadow: var(--ibt-shadow-sm);
  overflow: hidden;
  transition: transform var(--ibt-duration) var(--ibt-ease), border-color var(--ibt-duration);
}

.route-card::before {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  left: -70px;
  top: -70px;
  border-radius: 50%;
  background: var(--ibt-gradient);
  opacity: .08;
  filter: blur(26px);
}

.route-card > * {
  position: relative;
}

.route-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--ibt-blue) 38%, var(--ibt-border));
}

.route-card small {
  color: var(--ibt-cyan);
  font-weight: 900;
}

.route-card h3 {
  margin: 14px 0 9px;
  font-size: var(--ibt-text-xl);
  line-height: 1.35;
}

.route-card p {
  margin: 0;
  color: var(--ibt-muted);
}

.route-card a {
  margin-top: auto;
  padding-top: 22px;
  color: var(--ibt-cyan);
  font-weight: 900;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: center;
}

.split-layout--reverse > :first-child {
  order: 2;
}

.content-copy h2 {
  margin: 12px 0;
  font-family: var(--ibt-font-display);
  font-size: var(--ibt-text-2xl);
  line-height: 1.25;
  text-wrap: balance;
}

.content-copy > p {
  color: var(--ibt-muted);
  font-size: var(--ibt-text-base);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 13px 44px 13px 14px;
  border: 1px solid var(--ibt-border);
  border-radius: 15px;
  background: color-mix(in srgb, var(--ibt-surface) 88%, transparent);
  color: var(--ibt-muted);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  right: 14px;
  color: var(--ibt-green);
  font-weight: 900;
}

.evidence-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.evidence-strip article {
  padding: 20px;
  border: 1px solid var(--ibt-border);
  border-radius: 18px;
  background: var(--ibt-surface);
}

.evidence-strip strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ibt-text);
  font-size: 16px;
}

.evidence-strip span {
  color: var(--ibt-muted);
  font-size: 12px;
}

.related-nav {
  display: flex;
  gap: 10px;
  padding: 10px;
  overflow-x: auto;
  border: 1px solid var(--ibt-border);
  border-radius: 18px;
  background: var(--ibt-bg-soft);
  scrollbar-width: thin;
}

.related-nav a {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 15px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ibt-border);
  border-radius: 13px;
  background: var(--ibt-surface);
  color: var(--ibt-muted);
  font-weight: 800;
}

.related-nav a:hover,
.related-nav a[aria-current="page"] {
  border-color: color-mix(in srgb, var(--ibt-blue) 40%, var(--ibt-border));
  color: var(--ibt-text);
  background: color-mix(in srgb, var(--ibt-blue) 9%, var(--ibt-surface));
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 880px;
  margin-inline: auto;
}

.faq,
.accordion-item {
  border: 1px solid var(--ibt-border);
  border-radius: 18px;
  background: var(--ibt-surface);
  overflow: hidden;
}

.faq > button,
.accordion-item > button {
  width: 100%;
  min-height: 62px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 0;
  background: transparent;
  color: var(--ibt-text);
  text-align: right;
  font-weight: 900;
}

.faq > button i,
.accordion-item > button i {
  font-style: normal;
  color: var(--ibt-cyan);
  font-size: 22px;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--ibt-duration) var(--ibt-ease);
}

.faq-answer > * {
  overflow: hidden;
}

.faq-answer p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--ibt-muted);
}

.faq.open .faq-answer,
.faq.is-open .faq-answer,
.accordion-item.open .faq-answer,
.accordion-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.page-cta {
  padding: 34px 0 100px;
}

.page-cta .cta-card {
  min-height: 280px;
}

.empty-state {
  max-width: 780px;
  margin-inline: auto;
  padding: 40px;
  border: 1px dashed color-mix(in srgb, var(--ibt-blue) 42%, var(--ibt-border));
  border-radius: 26px;
  text-align: center;
  background: color-mix(in srgb, var(--ibt-blue) 6%, var(--ibt-surface));
}

.empty-state h2 {
  margin: 0 0 10px;
  font-family: var(--ibt-font-display);
  font-size: var(--ibt-text-xl);
}

.empty-state p {
  color: var(--ibt-muted);
}

.quote-form .form-message {
  min-height: 24px;
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown),
.field select:invalid:not(:focus) {
  border-color: color-mix(in srgb, var(--ibt-error) 65%, var(--ibt-border));
}

.btn:active {
  transform: translateY(0) scale(.98);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 1020px) {
  .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout,
  .split-layout--reverse {
    grid-template-columns: 1fr;
  }

  .split-layout--reverse > :first-child {
    order: initial;
  }

  .evidence-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .inner-page .platform-hero {
    min-height: auto;
    padding-top: 118px;
  }

  .route-grid {
    grid-template-columns: 1fr;
  }

  .route-card {
    min-height: 230px;
  }

  .source-visual {
    border-radius: 22px;
  }

  .source-visual figcaption {
    position: static;
    border: 0;
    border-radius: 0;
    background: #081127;
  }

  .evidence-strip {
    grid-template-columns: 1fr;
  }

  .page-cta {
    padding-bottom: 76px;
  }

  .empty-state {
    padding: 30px 20px;
  }
}

@media (max-width: 420px) {
  .source-visual img {
    aspect-ratio: 4 / 3;
  }

  .route-card {
    padding: 24px;
  }
}
.notfound .platform-actions { justify-content: center; }