/* LexiKordi pages — shared design (lexibeom blog-article.css 기반 + LexiKordi 톤) */

:root {
  --kordi-burgundy: #6e1423;
  --kordi-burgundy-soft: #8a2733;
  --kordi-gold: #b8893a;
  --kordi-ink: #1a1a2e;
  --kordi-ink-muted: #5a5a6e;
  --kordi-cream: #fffaf3;
  --kordi-cream-soft: #f8f0e3;
  --kordi-border: rgba(110, 20, 35, 0.12);
  --kordi-bg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--kordi-ink);
  background: var(--kordi-bg);
  line-height: 1.7;
}

/* --- Nav (LexiKordi 전용) --- */
.kordi-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--kordi-border);
  gap: 1rem;
  flex-wrap: wrap;
}
.kordi-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--kordi-ink);
  font-weight: 800;
  font-size: 1.1rem;
}
.kordi-nav__brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.kordi-nav__links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-left: auto;
}
.kordi-nav__links a {
  color: var(--kordi-ink-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.kordi-nav__links a:hover,
.kordi-nav__links a.active {
  color: var(--kordi-burgundy);
  border-bottom-color: var(--kordi-burgundy);
}
.kordi-lang-toggle {
  display: inline-flex;
  background: var(--kordi-cream-soft);
  border-radius: 999px;
  padding: 3px;
  gap: 0;
}
.kordi-lang-toggle button {
  background: transparent;
  border: none;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--kordi-ink-muted);
  transition: all 0.2s ease;
}
.kordi-lang-toggle button.active {
  background: var(--kordi-burgundy);
  color: #fff;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* --- Hero (랜딩 페이지) --- */
.kordi-hero {
  text-align: center;
  padding: 3rem 1rem 2.5rem;
  background: linear-gradient(180deg, var(--kordi-cream) 0%, #ffffff 100%);
  border-radius: 20px;
  margin-bottom: 3rem;
}
.kordi-hero__icon {
  width: 120px;
  height: 120px;
  border-radius: 26px;
  margin: 0 auto 1.25rem;
  box-shadow: 0 12px 32px rgba(110, 20, 35, 0.15);
  display: block;
}
.kordi-hero__title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  margin: 0 0 0.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--kordi-burgundy);
}
.kordi-hero__tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--kordi-ink-muted);
  margin: 0 0 1.75rem;
  font-weight: 500;
}
.kordi-cta {
  display: inline-block;
  padding: 0.9rem 1.85rem;
  background: linear-gradient(135deg, var(--kordi-burgundy) 0%, var(--kordi-burgundy-soft) 100%);
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 1rem;
}
.kordi-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(110, 20, 35, 0.3);
}
.kordi-cta--coming {
  background: var(--kordi-cream-soft);
  color: var(--kordi-burgundy);
  cursor: default;
  pointer-events: none;
}
.kordi-launch-note {
  font-size: 0.875rem;
  color: var(--kordi-ink-muted);
  margin: 0.75rem 0 0;
  font-weight: 500;
}

/* --- Stats strip --- */
.kordi-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0 2.5rem;
  text-align: center;
}
.kordi-stat {
  padding: 1.25rem 0.5rem;
  background: var(--kordi-cream-soft);
  border-radius: 12px;
}
.kordi-stat__num {
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 800;
  color: var(--kordi-burgundy);
  display: block;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}
.kordi-stat__label {
  font-size: 0.85rem;
  color: var(--kordi-ink-muted);
  font-weight: 500;
}

/* --- Features grid --- */
.kordi-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2.5rem 0;
}
@media (min-width: 720px) {
  .kordi-features {
    grid-template-columns: 1fr 1fr;
  }
}
.kordi-feature {
  padding: 1.5rem 1.35rem;
  background: #fff;
  border: 1px solid var(--kordi-border);
  border-radius: 14px;
  transition: all 0.2s ease;
}
.kordi-feature:hover {
  border-color: var(--kordi-burgundy);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(110, 20, 35, 0.08);
}
.kordi-feature__emoji {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}
.kordi-feature__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--kordi-burgundy);
}
.kordi-feature__desc {
  font-size: 0.9rem;
  color: var(--kordi-ink-muted);
  margin: 0;
  line-height: 1.55;
}

/* --- Gallery --- */
.kordi-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2.5rem 0;
}
@media (min-width: 720px) {
  .kordi-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}
.kordi-gallery img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
  background: #f4f4f8;
}
.kordi-gallery img:hover {
  transform: scale(1.02);
}

/* --- Article (privacy/support/license) --- */
.kordi-article-head {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--kordi-border);
}
.kordi-article-head h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.25;
  margin: 0 0 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--kordi-burgundy);
}
.kordi-article-head .meta {
  color: var(--kordi-ink-muted);
  font-size: 0.92rem;
}

article h2 {
  font-size: 1.45rem;
  margin: 2.25rem 0 0.85rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--kordi-burgundy);
}
article h3 {
  font-size: 1.1rem;
  margin: 1.65rem 0 0.7rem;
  font-weight: 700;
  color: var(--kordi-ink);
}
article h4 {
  font-size: 1rem;
  margin: 1.25rem 0 0.5rem;
  font-weight: 700;
  color: var(--kordi-ink);
}
article p { margin: 0 0 1.1rem; }
article ul, article ol { margin: 0 0 1.1rem 1.4rem; padding: 0; }
article li { margin-bottom: 0.4rem; }
article strong { color: var(--kordi-burgundy); }
article a {
  color: var(--kordi-burgundy);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
article a:hover { color: var(--kordi-burgundy-soft); }

article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--kordi-border);
}
article th {
  background: var(--kordi-cream-soft);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 700;
  color: var(--kordi-burgundy);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
article td {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--kordi-border);
  vertical-align: top;
}

article blockquote {
  border-left: 3px solid var(--kordi-burgundy);
  padding: 0.6rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--kordi-cream-soft);
  border-radius: 0 10px 10px 0;
  color: var(--kordi-ink);
}

/* Callout (license 페이지) */
.kordi-callout {
  margin: 1.75rem 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--kordi-cream-soft) 0%, var(--kordi-cream) 100%);
  border-left: 4px solid var(--kordi-gold);
  border-radius: 0 12px 12px 0;
  font-weight: 600;
}
.kordi-callout strong { color: var(--kordi-burgundy); }

/* FAQ details accordion */
details.kordi-faq {
  margin: 0.6rem 0;
  border: 1px solid var(--kordi-border);
  border-radius: 10px;
  padding: 0 1.25rem;
  background: #fff;
  transition: border-color 0.2s ease;
}
details.kordi-faq[open] {
  border-color: var(--kordi-burgundy);
}
details.kordi-faq summary {
  font-weight: 700;
  cursor: pointer;
  padding: 1rem 0;
  list-style: none;
  color: var(--kordi-ink);
  font-size: 1rem;
  position: relative;
  padding-right: 1.5rem;
}
details.kordi-faq summary::-webkit-details-marker { display: none; }
details.kordi-faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kordi-burgundy);
  font-weight: 800;
  font-size: 1.3rem;
}
details.kordi-faq[open] summary::after { content: '−'; }
details.kordi-faq[open] > *:not(summary) {
  padding-bottom: 1.25rem;
}

/* --- Language toggle visibility --- */
[data-lang-section="ko"] { display: none; }
[data-lang-section="en"] { display: block; }
body.lang-ko [data-lang-section="ko"] { display: block; }
body.lang-ko [data-lang-section="en"] { display: none; }

/* --- Footer --- */
.kordi-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--kordi-border);
  color: var(--kordi-ink-muted);
  font-size: 0.85rem;
}
.kordi-footer__row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.kordi-footer__links a {
  color: var(--kordi-ink-muted);
  text-decoration: none;
  margin-right: 1rem;
}
.kordi-footer__links a:hover { color: var(--kordi-burgundy); }
.kordi-footer__back {
  font-size: 0.8rem;
  text-align: center;
  color: var(--kordi-ink-muted);
  padding-top: 0.75rem;
  border-top: 1px solid var(--kordi-border);
}
.kordi-footer__back a { color: var(--kordi-burgundy); text-decoration: none; }
.kordi-footer__back a:hover { text-decoration: underline; }

@media (max-width: 520px) {
  .kordi-nav__links { gap: 0.65rem; }
  .kordi-nav__links a { font-size: 0.82rem; }
}