:root {
  --bg: #050b15;
  --panel: rgba(12, 21, 36, 0.88);
  --panel-strong: rgba(16, 30, 50, 0.94);
  --line: rgba(178, 208, 235, 0.24);
  --text: #eef7ff;
  --muted: #adc4dc;
  --cyan: #67d6e7;
  --blue: #3e8ee7;
  --silver: #d9e5f2;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 24px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Noto Sans KR", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at 15% 5%, rgba(54, 118, 194, 0.34), transparent 34rem),
    radial-gradient(circle at 84% 0%, rgba(103, 214, 231, 0.18), transparent 28rem),
    linear-gradient(180deg, #071120 0%, var(--bg) 50%, #030711 100%);
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 100;
  padding: 0.6rem 0.8rem;
  border-radius: 999px;
  background: #fff;
  color: #06101c;
}
.skip-link:focus { left: 12px; }

.site-header,
.faq-page {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.site-header {
  padding: 1rem 0 0.5rem;
}

.brand,
.header-nav,
.button-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.brand strong,
.brand small { display: block; }
.brand small { color: var(--muted); }

.header-nav a,
.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 0.95rem;
  font-weight: 800;
}
.header-nav a {
  border: 1px solid var(--line);
  color: #dceeff;
  background: rgba(255, 255, 255, 0.05);
}
.header-nav a[aria-current="page"] {
  border-color: rgba(103, 214, 231, 0.7);
  box-shadow: 0 0 20px rgba(103, 214, 231, 0.18);
}

.faq-page {
  display: grid;
  gap: 1.25rem;
  padding: 0.5rem 0 3rem;
}

.section-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--panel-strong), rgba(6, 14, 27, 0.82));
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.hero {
  min-height: 430px;
  display: grid;
  align-content: center;
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -18% -38% 42%;
  height: 28rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103, 214, 231, 0.18), transparent 66%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 0.85rem;
  border: 1px solid rgba(103, 214, 231, 0.45);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  color: #ccefff;
  background: rgba(38, 135, 168, 0.15);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

h1,
h2,
h3,
p { margin-top: 0; }
h1 {
  max-width: 12ch;
  margin-bottom: 0.8rem;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
}
.hero-subtitle {
  margin-bottom: 1rem;
  font-size: clamp(1.08rem, 2.2vw, 1.5rem);
  color: #d7ebff;
  font-weight: 750;
}
.hero-copy,
.section-shell p,
.faq-list p {
  color: var(--muted);
  font-size: 1.02rem;
}
.hero-copy { max-width: 72ch; }

.btn.primary {
  color: #04111f;
  background: linear-gradient(135deg, var(--silver), var(--cyan) 48%, var(--blue));
  box-shadow: 0 12px 28px rgba(40, 159, 202, 0.28);
}
.btn.secondary {
  border: 1px solid rgba(182, 213, 238, 0.32);
  color: #e6f6ff;
  background: rgba(255, 255, 255, 0.065);
}

.agent-summary {
  border-color: rgba(103, 214, 231, 0.36);
}
.agent-summary p {
  max-width: 82ch;
  color: #dceeff;
  font-weight: 650;
}

.section-heading { margin-bottom: 1.2rem; }
.faq-list {
  display: grid;
  gap: 0.8rem;
}

details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(18, 34, 56, 0.86), rgba(8, 17, 31, 0.86));
  overflow: hidden;
}
summary {
  cursor: pointer;
  padding: 1rem 1.15rem;
  color: #eef7ff;
  font-weight: 900;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  margin-right: 0.55rem;
  border-radius: 50%;
  color: #04111f;
  background: var(--cyan);
  font-weight: 900;
}
details[open] summary::before { content: "−"; }
details p {
  margin: 0;
  padding: 0 1.15rem 1rem 3.05rem;
}

.cta-section {
  display: grid;
  gap: 1rem;
}
.contact-card {
  display: grid;
  gap: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.055);
  overflow-wrap: anywhere;
}
.contact-card a { color: #d8f7ff; }
.contact-card span { color: var(--muted); }

/* Premium FAQ header: mirrors the main site header with a dark luxury frame. */
.faq-premium-header {
  width: min(100% - 32px, var(--max));
  margin: 0.5rem auto 1rem;
  min-height: 112px;
  border: 1px solid rgba(178, 208, 235, 0.22);
  border-radius: 22px;
  background:
    radial-gradient(circle at 86% 0%, rgba(103, 214, 231, 0.16), transparent 24rem),
    linear-gradient(135deg, rgba(13, 27, 47, 0.94), rgba(6, 14, 27, 0.9));
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  display: grid;
  grid-template-columns: minmax(210px, 0.8fr) minmax(180px, auto) minmax(420px, 1.2fr);
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
}

.faq-premium-header .brand {
  position: static;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.75rem;
  min-width: 0;
  white-space: nowrap;
}

.faq-premium-header .brand img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  flex: 0 0 auto;
}

.faq-premium-header .brand span {
  display: block;
  min-width: 0;
}

.faq-premium-header .brand strong,
.faq-premium-header .brand small {
  display: block;
  white-space: nowrap;
}

.faq-premium-header .header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.faq-premium-header .header-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 1rem;
  border: 1px solid rgba(178, 208, 235, 0.32);
  background: rgba(255, 255, 255, 0.055);
  color: #e6f6ff;
  font-weight: 900;
  white-space: nowrap;
}

.faq-premium-header .header-nav a[aria-current="page"] {
  border-color: rgba(103, 214, 231, 0.75);
  box-shadow: 0 0 22px rgba(103, 214, 231, 0.22);
}

.faq-premium-header .faq-language-switcher {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.72rem;
  margin: 0;
  padding: 0;
  width: 100%;
  text-align: right;
}

.faq-premium-header .faq-language-label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.faq-premium-header .faq-lang-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 1px solid rgba(178, 208, 235, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: #dceeff;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
}

.faq-premium-header .faq-lang-btn img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.faq-premium-header .faq-lang-btn.active,
.faq-premium-header .faq-lang-btn.is-active,
.faq-premium-header .faq-lang-btn:focus-visible {
  border-color: var(--cyan);
  background: rgba(103, 214, 231, 0.16);
  box-shadow: 0 0 26px rgba(103, 214, 231, 0.7);
  outline: none;
}

.faq-premium-header .faq-lang-btn:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  box-shadow: none;
}

@media (min-width: 760px) {
  .cta-section { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr); }
}

@media (max-width: 980px) {
  .faq-premium-header {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .faq-premium-header .brand,
  .faq-premium-header .header-nav,
  .faq-premium-header .faq-language-switcher {
    justify-content: center;
    text-align: center;
  }

  .faq-premium-header .faq-language-switcher {
    max-width: 520px;
  }
}

@media (max-width: 640px) {
  .faq-premium-header {
    width: min(100% - 24px, var(--max));
    padding: 0.9rem;
    border-radius: 18px;
  }

  .faq-premium-header .header-nav a {
    min-height: 42px;
    padding: 0 0.85rem;
    font-size: 0.95rem;
  }

  .button-row,
  .btn { width: 100%; }

  .faq-premium-header .faq-lang-btn {
    width: 48px;
    height: 48px;
  }

  .faq-premium-header .faq-lang-btn img {
    width: 39px;
    height: 39px;
  }

  .hero { min-height: auto; }
  .section-shell { border-radius: 20px; }
  details p { padding-left: 1.15rem; }
}