/* 한결 홈페이지: 흰 바탕, 남색 한 가지 색, 결 무늬 한 줄. 여백으로 정리한다. */
:root {
  --bg: #f7f8fa; --surface: #ffffff; --ink: #172033; --sub: #5a6578; --line: #e3e7ee;
  --brand: #24467a; --brand-hover: #1b3762; --on-brand: #ffffff; --mint: #8fd3c4; --focus: #3561a8;
  --font: "IBM Plex Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141b; --surface: #161d27; --ink: #e8edf3; --sub: #9aa6b6; --line: #263142;
    --brand: #7fa6e6; --brand-hover: #9bbaf0; --on-brand: #0f141b; --mint: #8fd3c4; --focus: #9bbaf0; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141b; --surface: #161d27; --ink: #e8edf3; --sub: #9aa6b6; --line: #263142;
  --brand: #7fa6e6; --brand-hover: #9bbaf0; --on-brand: #0f141b; --mint: #8fd3c4; --focus: #9bbaf0; color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.75 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }
code { font-size: .9em; background: var(--line); padding: 1px 6px; border-radius: 4px; }
h1, h2, h3 { text-wrap: balance; margin: 0; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-inline: 24px; }
.muted { color: var(--sub); }

.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.logo img { border-radius: 8px; }
.logo b { font-size: 20px; font-weight: 700; letter-spacing: -.01em; }
.bar nav { display: flex; gap: 22px; }
.bar nav a { color: var(--sub); text-decoration: none; font-size: 15px; }
.bar nav a:hover { color: var(--ink); }

.hero { display: flex; flex-direction: column; align-items: center; text-align: center; padding-block: 120px 96px; }
.mark { border-radius: 18px; margin-bottom: 28px; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.15; font-weight: 700; letter-spacing: -.03em; }
.sub { font-size: 18px; color: var(--sub); margin: 20px 0 36px; max-width: 30em; }
.btn { display: inline-flex; flex-direction: column; justify-content: center; min-height: 56px; padding: 8px 20px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); text-decoration: none; font-weight: 500; line-height: 1.35; }
.btn small { font-size: 12.5px; font-weight: 400; color: var(--sub); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.btn.primary small { color: inherit; opacity: .8; }
.btn:hover { border-color: var(--brand); }
.btn.primary:hover { background: var(--brand-hover); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.btn.big { min-height: 64px; min-width: 270px; padding: 10px 30px; font-size: 18px; align-items: center; }
.alt { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 10px; margin: 20px 0 0; font-size: 15px; color: var(--sub); }
.alt a { color: var(--sub); }
.alt a:hover { color: var(--brand); }
.peek { padding-block: 0 24px; }
.facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px 56px; margin: 36px 0 0; }
.facts div { display: flex; flex-direction: column-reverse; align-items: center; }
.facts dt { font-size: 13px; color: var(--sub); }
.facts dd { margin: 0; font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.shot { margin: 0; }
.shot img { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 24px 60px -30px rgba(23, 32, 51, .35); }
.shot figcaption { font-size: 14px; color: var(--sub); margin-top: 10px; }

.grain { display: block; width: min(1120px, calc(100% - 48px)); height: 24px; margin: 8px auto 0; }
.grain path { fill: none; stroke: var(--mint); stroke-width: 3; stroke-linecap: round; }

section h2 { font-size: 30px; font-weight: 700; letter-spacing: -.02em; }
.features { padding-block: 56px 24px; }
.flist { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; margin-top: 28px; }
.flist article { padding: 22px 0 26px; border-top: 1px solid var(--line); }
.flist h3 { font-size: 18px; font-weight: 700; }
.flist p { margin: 8px 0 0; color: var(--sub); }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; padding-block: 32px 40px; }

.get { padding-block: 56px; }
.lead { color: var(--sub); margin: 10px 0 0; max-width: 40em; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.card.mine { border-color: var(--brand); }
.card h3 { font-size: 20px; display: flex; align-items: center; gap: 10px; }
.card p { margin: 0; color: var(--sub); }
.card .btn { margin-top: 14px; align-self: flex-start; }
.badge { font-size: 12px; font-weight: 500; color: var(--brand); border: 1px solid var(--brand); border-radius: 999px; padding: 0 9px; }
.hash { font-size: 11.5px; color: var(--sub); overflow-wrap: anywhere; margin-top: 6px; }
.notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
.notes h3 { font-size: 16px; }
.notes p { margin: 6px 0 0; color: var(--sub); font-size: 15px; }

.faq { padding-block: 24px 64px; }
.faq > * { max-width: 820px; }
.faq h2 { margin-bottom: 16px; }
.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 500; }
.faq details p { margin: 10px 0 0; color: var(--sub); }

.foot { border-top: 1px solid var(--line); padding-block: 28px 40px; font-size: 14px; }
.foot p { margin: 4px 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.foot img { border-radius: 5px; }

@media (max-width: 900px) {
  .hero { padding-block: 72px 64px; }
  .flist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .bar nav { gap: 14px; }
  .bar nav a:nth-child(1) { display: none; }
  .flist, .gallery, .cards, .notes { grid-template-columns: minmax(0, 1fr); }
  .card .btn, .btn.big { width: 100%; min-width: 0; }
  .bar nav a:nth-child(2) { display: none; }
  .grain { width: calc(100% - 32px); }
}
.ver-line { grid-column: 1 / -1; margin: 0; font-size: 14px; }