/* ==========================================================================
   Trilhas — accordion (<details>/<summary>) com 6 trilhas
   Trilha "tools" mostra grid de logos; demais mostram lista de módulos.
   ========================================================================== */

.ai-trilhas {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  color: #ffffff;
  font-family: var(--font-sans, "Archivo", system-ui, sans-serif);
  isolation: isolate;
}

/* --- Background decorations ----------------------------------------------- */

.ai-trilhas__orbs { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

.ai-trilhas__orb { position: absolute; border-radius: 9999px; filter: blur(80px); opacity: 0.4; }
.ai-trilhas__orb--1 { width: 420px; height: 420px; top: -100px; left: -120px; background: var(--color-electric-500, #1F6FEB); }
.ai-trilhas__orb--2 { width: 380px; height: 380px; bottom: -80px; right: -100px; background: var(--color-gold-500, #C99A2C); opacity: 0.3; }
.ai-trilhas__orb--3 { width: 320px; height: 320px; top: 40%; right: 30%; background: var(--color-orange-500, #FF4E00); opacity: 0.18; }

.ai-trilhas__dotgrid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
}

.ai-trilhas__container {
  position: relative;
  z-index: 1;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 1024px) {
  .ai-trilhas__container { padding: 0 2rem; }
}

/* --- Header -------------------------------------------------------------- */

.ai-trilhas__header { max-width: 56rem; margin: 0 auto; text-align: center; }

.ai-trilhas__eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.ai-trilhas__headline {
  font-family: var(--font-display, "Archivo Black", system-ui, sans-serif);
  margin: 1rem 0 0;
  font-size: 1.75rem;
  line-height: 1.15;
  font-weight: 700;
  color: #ffffff;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

@media (min-width: 520px) { .ai-trilhas__headline { font-size: 2.25rem; } }

@media (min-width: 640px) { .ai-trilhas__headline { font-size: var(--ai-headline-size, 3rem); } }

.ai-trilhas__subheadline {
  margin: 1.25rem auto 0;
  max-width: 48rem;
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.ai-trilhas__subheadline p { margin: 0; }

/* --- List ---------------------------------------------------------------- */

.ai-trilhas__list {
  margin: 4rem auto 0;
  max-width: 64rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- Item (details) ----------------------------------------------------- */

.ai-trilhas__item {
  position: relative;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  overflow: hidden;
  transition: background-color 200ms ease;
}

.ai-trilhas__item[open] {
  background: rgba(255, 255, 255, 0.08);
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .ai-trilhas__item { background: rgba(15, 42, 74, 0.85); }
}

/* --- Trigger (summary) -------------------------------------------------- */

.ai-trilhas__trigger {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1rem;
  user-select: none;
}

@media (min-width: 640px) {
  .ai-trilhas__trigger { gap: 1rem; padding: 1.25rem 1.5rem; }
}

.ai-trilhas__title {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: break-word;
}

.ai-trilhas__trigger::-webkit-details-marker { display: none; }
.ai-trilhas__trigger::marker { display: none; }

.ai-trilhas__trigger-left {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
}

.ai-trilhas__icon {
  display: inline-flex;
  flex-shrink: 0;
}

.ai-trilhas__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.ai-trilhas__num {
  font-family: var(--font-mono, "JetBrains Mono", ui-monospace, monospace);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.ai-trilhas__title {
  font-family: var(--font-display, "Archivo Black", system-ui, sans-serif);
  font-size: 1.125rem;
  color: #ffffff;
  font-weight: 700;
}

@media (min-width: 640px) { .ai-trilhas__title { font-size: 1.25rem; } }

.ai-trilhas__badge {
  display: none;
  flex-shrink: 0;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: 1rem;
}

@media (min-width: 640px) {
  .ai-trilhas__badge { display: inline-block; }
}

.ai-trilhas__chevron {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: rgba(255, 255, 255, 0.6);
  transition: transform 250ms ease;
}

.ai-trilhas__item[open] .ai-trilhas__chevron {
  transform: rotate(180deg);
}

/* --- Content ----------------------------------------------------------- */

.ai-trilhas__content {
  padding: 0 1rem 1.25rem;
}

@media (min-width: 640px) {
  .ai-trilhas__content { padding: 0 1.5rem 1.5rem; }
}

.ai-trilhas__goal {
  margin: 0;
  font-style: italic;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* --- Modules grid ------------------------------------------------------- */

.ai-trilhas__modules {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
}

@media (min-width: 768px) {
  .ai-trilhas__modules { grid-template-columns: repeat(2, 1fr); }
}

.ai-trilhas__module {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.ai-trilhas__check {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.15rem;
}

.ai-trilhas__module-text {
  font-size: 0.875rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.95);
}

.ai-trilhas__module-num {
  font-family: var(--font-mono, "JetBrains Mono", ui-monospace, monospace);
  margin-right: 0.5rem;
}

/* --- Tools grid -------------------------------------------------------- */

.ai-trilhas__tools {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

@media (min-width: 480px) { .ai-trilhas__tools { grid-template-columns: repeat(3, 1fr); gap: 0.625rem; } }
@media (min-width: 640px) { .ai-trilhas__tools { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .ai-trilhas__tools { grid-template-columns: repeat(5, 1fr); } }

.ai-trilhas__tool {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  text-align: center;
}

.ai-trilhas__tool img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  opacity: 0.9;
  filter: brightness(0) invert(0.9);
}

.ai-trilhas__tool-name {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  word-break: break-word;
  hyphens: auto;
}

.ai-trilhas__extra {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}