/* =========================
   FAQ Accordion — Final, Portfolio‑Aligned
   ========================= */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --page-bg: #f6f7f9;
  --text-main: #2e2e2e;
  --text-muted: rgba(46, 46, 46, 0.72);

  --demo-bg: #0a0a0f;
  --card-bg: #16161f;
  --demo-text: #f0f0f5;
  --demo-muted: #8888a0;

  --accent: #6366f1;
  --accent-light: #818cf8;

  --border-light: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.3);
}

/* ---------- Portfolio frame ---------- */

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--page-bg);
  color: var(--text-main);
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.projectHeader {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border-light);
}

.projectNav {
  margin-bottom: 14px;
}

/* Shared back button */
.btnNav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-main);
}

.display {
  font-family: Fraunces, serif;
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 10px;
}

.lead {
  max-width: 70ch;
  color: var(--text-muted);
}

/* ---------- Demo ---------- */

.demo-faq {
  background: var(--demo-bg);
  color: var(--demo-text);
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 20px 80px;
}

.demoHeader {
  text-align: center;
  margin-bottom: 2.5rem;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.demoTitle {
  font-size: 2rem;
  margin-bottom: 8px;
}

.demoIntro {
  color: var(--demo-muted);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 500;
}

.icon {
  color: var(--accent-light);
  transition: transform 0.25s ease;
}

.faq-item.active .icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-content {
  overflow: hidden;
}

.faq-answer-content p {
  padding: 0 22px 18px;
  color: var(--demo-muted);
}

/* CTA */
.contact-cta {
  margin-top: 48px;
  padding: 36px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 16px;
  text-align: center;
}

.cta-icon {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.contact-cta h3 {
  margin-bottom: 8px;
}

.contact-cta p {
  color: var(--demo-muted);
  margin-bottom: 20px;
}

.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
}