/* ==========================================================================
   directory.css — two listing sections that share one card vocabulary

     1. Core team grid (.speakers)
     2. FAQ accordion

   They live together because they are both "rows of a set", and reuse the same
   rounded surface, translucent border and hover lift.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Shared section header — eyebrow + heading on the left, arrow link right
   -------------------------------------------------------------------------- */

/* Heads that pair a title block with a trailing arrow link. The title block
   is a wrapper <div>; the link sits opposite it. */
.speakers__head,
.testimonials__head,
.videos__head,
.agenda__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--ds-space-5);
  margin-bottom: var(--ds-space-8);
}

.speakers__head > div,
.testimonials__head > div,
.videos__head > div,
.agenda__head > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ds-space-4);
}

/* Heads whose eyebrow and heading are direct children, with no trailing link:
   these simply stack. */
.tickets__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ds-space-4);
  margin-bottom: var(--ds-space-8);
}

/* --------------------------------------------------------------------------
   1. Speakers
   -------------------------------------------------------------------------- */

.speakers__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-space-4);
}

.speakers__grid .speaker-card:nth-child(1) {
  order: 1;
}

.speakers__grid .speaker-card:nth-child(2) {
  order: 3;
}

.speakers__grid .speaker-card:nth-child(3) {
  order: 2;
}

@media (min-width: 600px) {
  .speakers__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .speakers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.speaker-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-3);
  min-height: 320px;
  padding: 1.35rem 1.1rem 1.2rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(13, 23, 35, 0.96), rgba(8, 15, 25, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 18px 34px rgba(2, 6, 18, 0.34);
  overflow: hidden;
  transition: transform var(--ds-duration-slow) var(--ds-ease-standard),
    border-color var(--ds-duration-slow) var(--ds-ease-standard),
    box-shadow var(--ds-duration-slow) var(--ds-ease-standard);
}

.speaker-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 58%;
  background: radial-gradient(circle at top left, rgba(51, 133, 255, 0.18), transparent 46%);
  pointer-events: none;
}

.speaker-card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 22px 40px rgba(2, 6, 18, 0.42);
}

.speaker-card__top {
  position: relative;
  display: block;
}

.speaker-card__avatar {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 320px;
  margin: 0;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 18px 34px rgba(9, 14, 22, 0.42), 0 0 0 8px rgba(111, 166, 255, 0.06);
}

.speaker-card__track {
  position: relative;
  z-index: 1;
  font-family: var(--ds-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7dc2ff;
  margin: 0.4rem 0 0;
  opacity: 0.9;
}

.speaker-card__status {
  position: relative;
  z-index: 1;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ds-color-text-primary);
  margin: 0;
}

.speaker-card__note {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(224, 232, 244, 0.8);
  margin: 0;
}

.speaker-card__social {
  position: absolute;
  right: 12px;
  top: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  color: #dfeaff;
  background: rgba(12, 18, 28, 0.72);
  border: 1px solid rgba(153, 196, 255, 0.32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 10px 22px rgba(5, 8, 15, 0.4);
  opacity: 0;
  transform: translateY(-6px) scale(0.9);
  pointer-events: none;
  transition: opacity var(--ds-duration-base) var(--ds-ease-standard),
    transform var(--ds-duration-base) var(--ds-ease-standard),
    border-color var(--ds-duration-base) var(--ds-ease-standard),
    box-shadow var(--ds-duration-base) var(--ds-ease-standard);
}

.speaker-card:hover .speaker-card__social,
.speaker-card:focus-within .speaker-card__social {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.speaker-card__social:hover {
  transform: translateY(-1px);
  border-color: rgba(153, 196, 255, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 10px 18px rgba(10, 16, 28, 0.3);
}

.speaker-card__social svg {
  width: 1rem;
  height: 1rem;
}

/* --------------------------------------------------------------------------
   2. FAQ
   -------------------------------------------------------------------------- */

.faq__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ds-space-8);
}

@media (min-width: 900px) {
  .faq__layout {
    grid-template-columns: 34fr 66fr;
    gap: var(--ds-space-9);
    align-items: start;
  }

  .faq__aside {
    position: sticky;
    top: calc(var(--ds-header-height) + var(--ds-space-7));
  }
}

.faq__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ds-space-4);
}

.faq__aside-text {
  font-size: 16px;
  line-height: 170%;
  color: var(--ds-color-text-description);
}

/* --- accordion ------------------------------------------------------------ */

.accordion {
  border-top: var(--ds-border-width) solid var(--ds-color-border-subtle);
}

.accordion__list {
  display: block;
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ds-space-5);
  width: 100%;
  padding: var(--ds-space-5) 0;
  border-bottom: var(--ds-border-width) solid var(--ds-color-border-subtle);
  color: var(--ds-color-text-primary);
  font-family: var(--ds-font-sans);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 150%;
  text-align: left;
  cursor: pointer;
  transition: color var(--ds-duration-base) var(--ds-ease-standard);
}

.accordion__trigger:hover {
  color: var(--ds-color-brand);
}

.accordion__icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: var(--ds-color-text-description);
  transition: transform var(--ds-duration-slow) var(--ds-ease-standard),
    color var(--ds-duration-base) var(--ds-ease-standard);
}

.accordion__trigger[aria-expanded='true'] .accordion__icon {
  transform: rotate(180deg);
  color: var(--ds-color-brand);
}

.accordion__panel {
  padding: var(--ds-space-4) 0 var(--ds-space-6);
  border-bottom: var(--ds-border-width) solid var(--ds-color-border-subtle);
}

.faq__answer {
  max-width: 68ch;
  font-size: 16px;
  line-height: 175%;
  color: var(--ds-color-text-description);
}

.faq__answer + .faq__answer {
  margin-top: var(--ds-space-3);
}

.faq__answer a {
  color: var(--ds-color-text-primary);
  text-decoration: underline;
  text-decoration-style: dashed;
  text-decoration-color: var(--ds-color-border-divider);
  text-underline-offset: 4px;
}

.faq__answer a:hover {
  color: var(--ds-color-brand);
}