/* ============================================
   FAQ PAGE
   ============================================ */

:root {
  --faq-navy: #00142E;
  --faq-navy-mid: #102B4F;
  --faq-red: #ED1A2B;
  --faq-text: #333333;
  --faq-muted: #6F6F6F;
  --faq-border: #E5E5E5;
  --faq-bg: #FFFFFF;
  --faq-soft: #F7F7F7;
}

.faq-hero {
  width: 100%;
  min-height: 420px;
  background: var(--faq-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 180px 24px 120px;
}

.faq-hero-inner {
  width: min(914px, 100%);
  text-align: center;
  color: #FFFFFF;
}

.faq-hero h1 {
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: clamp(38px, 4vw, 52px);
  line-height: 1.38;
  font-weight: 600;
  margin-bottom: 24px;
}

.faq-hero p {
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.6;
  letter-spacing: -0.025em;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 auto;
}

.faq-section {
  background: var(--faq-bg);
  padding: 50px 24px 180px;
}

.faq-container {
  width: min(1400px, 100%);
  margin: 0 auto;
}

.faq-heading {
  text-align: center;
  margin-bottom: 72px;
}

.faq-heading span {
  display: inline-block;
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: 14px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--faq-red);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.faq-heading h2 {
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: clamp(34px, 3.2vw, 42px);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #000000;
  margin-bottom: 14px;
}

.faq-heading p {
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--faq-muted);
  margin: 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.faq-tabs {
  position: sticky;
  top: 150px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-tab {
  width: 100%;
  padding: 10px 0 10px 16px;
  border: none;
  border-left: 2px solid transparent;
  background: transparent;
  box-shadow: none;
  color: var(--faq-muted);
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.faq-tab:hover {
  color: var(--faq-text);
}

.faq-tab.active {
  color: var(--faq-red);
  border-left-color: var(--faq-red);
  font-weight: 600;
}

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

.faq-panel {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.faq-panel.active {
  display: flex;
}

.faq-item {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--faq-border);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item.open {
  border-color: rgba(237, 26, 43, 0.35);
}

.faq-question {
  position: relative;
  width: 100%;
  min-height: 86px;
  padding: 26px 76px 26px 34px;
  background: transparent;
  color: var(--faq-text);
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: 24px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-align: left;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 34px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--faq-soft);
  color: var(--faq-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 500;
  transition: all 0.25s ease;
}

.faq-item.open .faq-question::after {
  background: var(--faq-red);
  color: #FFFFFF;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 34px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FBFBFB 100%);
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 900px;
  padding: 0 34px 30px;
}

.faq-answer p {
  font-family: var(--font-primary, 'Pretendard', sans-serif);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: #4A4A4A;
  margin: 0;
}

.faq-answer p + p {
  margin-top: 14px;
}

.faq-answer strong {
  color: var(--faq-navy);
  font-weight: 700;
}

@media (max-width: 1200px) {
  .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 32px;
  }

  .faq-question {
    font-size: 21px;
  }
}

@media (max-width: 900px) {
  .faq-hero {
    min-height: 500px;
    padding: 140px 20px 90px;
  }

  .faq-section {
    padding: 80px 20px 120px;
  }

  .faq-heading {
    margin-bottom: 48px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-tabs {
    position: static;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 24px;
    border-bottom: 1px solid var(--faq-border);
    padding-bottom: 16px;
    margin-bottom: 8px;
  }

  .faq-tab {
    padding: 8px 0;
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .faq-tab.active {
    border-left: none;
    border-bottom-color: var(--faq-red);
  }
}

@media (max-width: 560px) {
  .faq-tabs {
    gap: 0 16px;
  }

  .faq-question {
    min-height: 78px;
    padding: 22px 62px 22px 24px;
    font-size: 18px;
  }

  .faq-question::after {
    right: 22px;
    width: 30px;
    height: 30px;
    font-size: 21px;
  }

  .faq-answer {
    padding: 0 24px;
  }

  .faq-item:hover .faq-answer,
  .faq-item.open .faq-answer {
    padding: 0 24px 24px;
  }

  .faq-answer p {
    font-size: 15px;
    line-height: 1.75;
  }
}