/* modu.PBX 홈페이지 공통 스타일 — 브랜드 키트 v1.0 색상 */
:root {
  --blue: #007AFF;
  --teal: #0EA5A5;
  --green: #22C55E;
  --amber: #F59E0B;
  --red: #DC2626;
  --ink: #17212B;
  --text: #17212B;
  --muted: #5B6773;
  --line: #E3E7EC;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --card: #FFFFFF;
  --radius: 14px;
  --maxw: 1080px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #F7F8FA;
    --muted: #A9B3BE;
    --line: #2A3540;
    --bg: #11181F;
    --bg-soft: #17212B;
    --card: #17212B;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 시그니처 선: 파랑·청록·초록·주황 + 짧은 빨강 */
.signature {
  height: 4px;
  background: linear-gradient(90deg,
    var(--blue) 0 24%, var(--teal) 24% 48%, var(--green) 48% 72%,
    var(--amber) 72% 96%, var(--red) 96% 100%);
}

/* 머리글 */
header.site { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand img { display: block; width: 132px; height: auto; }
.logo-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  .logo-light { display: none !important; }
  .logo-dark { display: block !important; }
}
nav.top { display: flex; align-items: center; gap: 20px; font-size: 15px; }
nav.top a { color: var(--text); }
nav.top a.lang { border: 1px solid var(--line); border-radius: 999px; padding: 2px 12px; font-size: 13px; color: var(--muted); }
@media (max-width: 640px) {
  nav.top { gap: 12px; font-size: 14px; }
  nav.top .hide-sm { display: none; }
  .brand img { width: 112px; }
}

/* 첫 화면 */
.hero { padding: 72px 0 56px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.25; margin: 0 0 18px; letter-spacing: -0.02em; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 19px); color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.ghost { border: 1px solid var(--line); color: var(--text); }
.btn:hover { text-decoration: none; opacity: .92; }

/* 구역 */
section.block { padding: 56px 0; border-top: 1px solid var(--line); }
section.block.soft { background: var(--bg-soft); }
section.block h2 { font-size: clamp(22px, 3vw, 28px); margin: 0 0 8px; letter-spacing: -0.01em; }
section.block p.sub { color: var(--muted); margin: 0 0 28px; }

/* 제품 카드 */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card .plogo { height: 26px; width: auto; display: block; margin-bottom: 14px; }
.card h3 { font-size: 17px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* 앱 소개 */
.app { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
@media (max-width: 760px) { .app { grid-template-columns: 1fr; } }
.app ul { padding-left: 20px; margin: 0 0 20px; }
.app li { margin: 4px 0; }
.app .icon { width: 96px; height: 96px; border-radius: 22px; }
.note { font-size: 14px; color: var(--muted); }

/* 연락처 */
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .contact { grid-template-columns: 1fr; } }
.contact .card a { font-weight: 600; }

/* 문서(개인정보처리방침·지원) */
.doc { padding-top: 48px; padding-bottom: 64px; max-width: 860px; }
.doc h1 { font-size: clamp(26px, 4vw, 34px); margin: 0 0 8px; letter-spacing: -0.01em; }
.doc .meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
[id] { scroll-margin-top: 80px; }
.doc h2 { font-size: 20px; margin: 40px 0 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 17px; margin: 24px 0 8px; }
.doc p, .doc li { font-size: 15.5px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc .toc { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.doc .toc ol { margin: 0; columns: 2; column-gap: 32px; }
@media (max-width: 640px) { .doc .toc ol { columns: 1; } }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 12px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
th { background: var(--bg-soft); font-weight: 600; white-space: nowrap; }
.callout { border-left: 4px solid var(--blue); background: var(--bg-soft); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 16px 0; }
.faq details { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 10px 0; background: var(--card); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details[open] summary { margin-bottom: 8px; }

/* 바닥글 */
footer.site { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 32px 0 40px; font-size: 13.5px; color: var(--muted); }
footer.site .links { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; }
footer.site .links a { color: var(--text); font-weight: 600; }
footer.site p { margin: 2px 0; }