/* ==========================================================================
   FTPRENEUR — Section 06: Dynamic FAQ System (Editorial Accordion)
   Canvas: Soft Sky with Mint accordion surfaces
   Primary Accent: Ultramarine (#2E47FF)
   Micro Accents: Mint (#00B79B), Marigold (#FF9E2C)
   Typography: Bricolage Grotesque (Display), Karla (Body), JetBrains Mono (Mono)
   ========================================================================== */

.faq-sec {
  --ultra: var(--color-primary, #2E47FF);
  --ink: var(--color-ink, #141B31);
  --canvas: #EAF0FF;
  --mint: var(--color-secondary, #00B79B);
  --marigold: var(--color-accent, #FF9E2C);
  --text: #141B31;
  --muted-slate: #475569;
  --hair-line: rgba(46, 71, 255, 0.16);

  --font-display: var(--font-family-display, 'Bricolage Grotesque', system-ui, sans-serif);
  --font-body: var(--font-family-body, 'Karla', system-ui, sans-serif);
  --font-mono: var(--font-family-mono, 'JetBrains Mono', monospace);

  --gx: clamp(20px, 4.4vw, 72px);
  --ease: cubic-bezier(.16, .84, .24, 1);

  position: relative;
  width: 100%;
  background-color: var(--canvas);
  color: var(--text);
  padding: clamp(64px, 7vw, 104px) var(--gx);
  overflow: hidden;
  box-sizing: border-box;
  isolation: isolate;
  font-family: var(--font-body);
  border-top: 1px solid var(--hair-line);
}

.faq-container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
}

/* 2-Column Grid Layout */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr);
  gap: 40px clamp(32px, 5vw, 80px);
  align-items: start;
}

/* Left Column: Intro */
.faq-left {
  position: sticky;
  top: 100px;
}

.faq-chapter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(20px, 2.5vh, 32px);
}

.faq-chapter-id {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.faq-chapter-num { color: var(--text); }
.faq-chapter-slash { color: var(--marigold); }
.faq-chapter-label { color: var(--ultra); }

.faq-chapter-divider {
  flex: 1;
  height: 1px;
  background: var(--hair-line);
}

.faq-headline {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 96;
  text-transform: uppercase;
  color: var(--text);
}

.faq-headline .line {
  display: block;
}

.faq-headline .line--accent {
  color: var(--ultra);
}

.faq-lead {
  margin: 0 0 28px;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 1.6;
  color: var(--muted-slate);
  max-width: 38ch;
}

.faq-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #075B50;
  line-height: 1.5;
  padding: 10px 14px;
  border: 1px solid var(--hair-line);
  border-radius: 100px;
  background: #DDF5F0;
}

.faq-meta-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--mint);
  flex-shrink: 0;
}

/* Right Column: Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Tinted cards keep each question distinct without a dark canvas. */
.faq-item {
  border: 1px solid var(--hair-line);
  border-radius: 20px;
  background: #F1F4FF;
  overflow: hidden;
  transition: border-color .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.faq-item:hover {
  border-color: rgba(46, 71, 255, .4);
}

.faq-right { min-width: 0; }

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: none;
  border: 0;
  padding: 22px 24px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  outline: none;
  touch-action: manipulation;
}

.faq-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ultra);
  min-width: 28px;
  padding-top: 0;
  transition: color 0.3s var(--ease);
}

.faq-question {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--text);
  flex: 1;
  transition: color 0.3s var(--ease);
}

.faq-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #E0E6FF;
  color: var(--text);
  transition: background-color 0.35s var(--ease), color 0.35s var(--ease), transform 0.35s var(--ease);
  flex-shrink: 0;
}

.faq-icon-svg {
  width: 16px;
  height: 16px;
}

.faq-icon-v {
  transform-origin: center;
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
}

/* Hover & Focus States */
.faq-trigger:hover .faq-question {
  color: var(--ultra);
}

.faq-trigger:hover .faq-icon {
  background: rgba(46, 71, 255, 0.2);
  color: var(--ultra);
}

.faq-trigger:focus-visible {
  outline: 2px solid var(--ultra);
  outline-offset: -4px;
  border-radius: 18px;
}

/* Active / Open State */
.faq-item.is-open {
  border-color: rgba(0, 183, 155, .5);
  background: #DDF5F0;
  box-shadow: 0 8px 24px rgba(0, 90, 76, .06);
}

.faq-item.is-open .faq-question {
  color: var(--text);
}

.faq-item.is-open .faq-num {
  color: #075B50;
}

.faq-item.is-open .faq-icon {
  background: var(--ultra);
  color: #EAF0FF;
}

.faq-item.is-open .faq-icon-v {
  transform: rotate(90deg);
  opacity: 0;
}

/* Panel & Answer */
.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
  overflow: hidden;
}

.faq-item.is-open .faq-panel {
  grid-template-rows: 1fr;
}

.faq-panel-inner {
  overflow: hidden;
  min-height: 0;
}

.faq-answer {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.65;
  color: var(--muted-slate);
  padding: 0 24px 24px 68px;
  max-width: 62ch;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.faq-item.is-open .faq-answer {
  opacity: 1;
  transform: translateY(0);
}

.faq-panel[hidden] { visibility: hidden; }

/* RESPONSIVE LAYOUT */
@media (max-width: 1024px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .faq-left {
    position: static;
  }
}

@media (max-width: 768px) {
  .faq-trigger { padding: 18px 16px; gap: 10px; }

  .faq-answer { padding: 0 16px 20px; }

  .faq-headline { font-size: clamp(32px, 7.5vw, 52px); }

  .faq-meta-pill { font-size: 9px; letter-spacing: .06em; }

  .faq-num {
    min-width: 24px;
    font-size: 12px;
  }

  .faq-icon {
    width: 30px;
    height: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-item,
  .faq-panel,
  .faq-answer,
  .faq-icon,
  .faq-icon-v,
  .faq-question,
  .faq-num {
    transition: none !important;
  }
}