/* SO EASY 소개 사이트 공용 스타일 (index · privacy · 404)
   밝은 흑백 바탕. 글자 강조는 파랑(--blue-t) 한 가지, 주 버튼은 먹색(.btn.dark). 어두운 칸은 "만드는 방식" 띠 하나만. */
:root {
  --bg: #FFFFFF; --bg2: #F7F8FA; --card: #FFFFFF; --line: #E5E8EB; --line2: #F0F2F4;
  --text: #191F28; --sub: #4E5968; --dim: #8B95A1;
  --ink: #191F28; --ink2: #333D4B;
  --blue: #3182F6; --blue-t: #1B64DA; --blue-bg: #E8F3FF;
  --red: #E5484D;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(0,27,55,.04), 0 8px 24px rgba(0,27,55,.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); overflow-x: hidden;
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif; line-height: 1.6; word-break: keep-all;
  -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
[id] { scroll-margin-top: 72px; }

/* 다운로드 숨김 스위치: <body data-download="off"> 이면 .dl-only 를 모두 숨긴다. 켤 때는 "on" */
body[data-download="off"] .dl-only { display: none !important; }

/* 위쪽 막대 */
header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.86); backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; text-decoration: none; letter-spacing: -.3px; white-space: nowrap; color: var(--text); }
.logo img { width: 38px; height: 38px; flex: none; object-fit: contain; display: block; }  /* 확정 로고(2026-10-03) */
nav { display: flex; gap: 28px; margin-left: auto; font-size: 15px; color: var(--sub); white-space: nowrap; }
nav a { text-decoration: none; } nav a:hover { color: var(--text); }
/* 커뮤니티 펼침 메뉴 (10-11 대표 지시, zeroending.com 참조): 이름 + 설명 한 줄, 꺾쇠가 돈다. 위쪽 여백(padding-top)이 마우스 다리 */
.nav-dd { position: relative; display: flex; align-items: center; }
.nav-dd-t { display: inline-flex; align-items: center; gap: 3px; }
.nav-dd-t svg { width: 16px; height: 16px; opacity: .7; transition: transform .2s; }
.nav-dd:hover .nav-dd-t, .nav-dd:focus-within .nav-dd-t { color: var(--text); }
.nav-dd:hover .nav-dd-t svg, .nav-dd:focus-within .nav-dd-t svg { transform: rotate(180deg); }
.nav-menu { position: absolute; top: 100%; left: 50%; width: 248px; padding-top: 18px; transform: translate(-50%, 6px); opacity: 0; visibility: hidden;
  transition: opacity .16s, transform .16s, visibility .16s; z-index: 30; white-space: normal; }
.nav-dd:hover .nav-menu, .nav-dd:focus-within .nav-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-menu ul { list-style: none; margin: 0; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 2px 4px rgba(0,27,55,.04), 0 16px 40px rgba(0,27,55,.12); }
.nav-menu a { display: block; padding: 10px 14px; border-radius: 10px; }
.nav-menu a:hover, .nav-menu a:focus-visible { background: var(--bg2); }
.nav-menu b { display: block; font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.4; }
.nav-menu span { display: block; margin-top: 2px; font-size: 12.5px; color: var(--dim); line-height: 1.4; }
/* 좁은 화면 햄버거 메뉴(js/nav.js) */
.nav-burger { display: none; place-items: center; width: 40px; height: 40px; margin-left: -12px; padding: 0; border: 0; border-radius: 10px; background: none; color: var(--text); cursor: pointer; flex: none; }
.nav-burger:hover { background: var(--bg2); }
.nav-burger svg { width: 24px; height: 24px; }
.nav-burger .x, .nav-burger[aria-expanded="true"] .b { display: none; }
.nav-burger[aria-expanded="true"] .x { display: block; }
.mnav { border-top: 1px solid var(--line); background: #fff; max-height: calc(100vh - 64px); overflow-y: auto; }
.mnav[hidden] { display: none; }
.mnav-in { width: min(1120px, 100% - 32px); margin: 0 auto; padding: 8px 0 20px; }
.mnav-in > a:not(.btn) { display: block; padding: 12px 0; font-size: 17px; font-weight: 700; color: var(--text); text-decoration: none; }
.mnav-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; margin: 0 0 6px; padding: 2px 0 2px 16px; border-left: 2px solid var(--line); }
.mnav-sub a { padding: 9px 0; font-size: 15px; color: var(--sub); text-decoration: none; }
.mnav .btn { width: 100%; height: 52px; margin-top: 14px; border-radius: 12px; font-size: 16px; }
header .btn { height: 36px; padding: 0 16px; font-size: 14px; border-radius: 999px; }
header .btn .s { display: none; }
/* 머리 막대의 로그인·내 정보 글자 링크(회원가입). 좁은 화면에서도 보인다 */
header .hlogin { font-size: 15px; font-weight: 600; color: var(--sub); text-decoration: none; white-space: nowrap; }
header .hlogin:hover { color: var(--text); }
header .logo + .hlogin { margin-left: auto; }
/* 로그인했을 때 머리 막대의 내 프로필(js/me-chip.js): 이름 첫 글자 동그라미 + 이름 */
header .hme { display: inline-flex; align-items: center; gap: 8px; height: 38px; max-width: 220px; padding: 0 14px 0 4px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--text); font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; transition: background .15s, border-color .15s; }
header .hme:hover { background: var(--bg2); border-color: #D1D6DB; }
header .hme .av { width: 30px; height: 30px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--ink); color: #fff; font-style: normal; font-size: 13px; font-weight: 800; }
header .hme .av:empty::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,.55); }
header .hme .nm { overflow: hidden; text-overflow: ellipsis; }
header .logo + .hme { margin-left: auto; }

/* 버튼: 먹색(주), 테두리(보조), 파랑(내려받기) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 24px; border-radius: 999px;
  font: inherit; font-weight: 700; font-size: 15px; text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .15s; }
.btn.dark, .btn.gold { background: var(--ink); color: #fff; }
.btn.dark:hover, .btn.gold:hover { background: #000; }
.btn.blue { background: var(--blue); color: #fff; }
.btn.blue:hover { background: #1B64DA; }
.btn.ghost { border-color: var(--line); color: var(--text); background: #fff; }
.btn.ghost:hover { background: var(--bg2); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(.98); }
@media (prefers-reduced-motion: reduce) { .btn:hover, .btn:active { transform: none; } }
.btn .soon { font-size: 11px; font-weight: 800; background: rgba(255,255,255,.2); border-radius: 999px; padding: 2px 8px; }

/* 공통 구역 */
section { padding: 112px 0; }
section.alt { background: var(--bg2); }
.eyebrow { font-size: 15px; font-weight: 600; color: var(--dim); }
h1, h2, h3 { text-wrap: balance; }  /* 두 줄 제목의 줄 길이를 고르게 */
h2 { font-size: clamp(26px, 4vw, 38px); line-height: 1.35; letter-spacing: -1px; margin: 8px 0 14px; font-weight: 700; color: var(--text); }
.sec-lead { color: var(--sub); max-width: 680px; margin: 0; font-size: 17px; }
.center { text-align: center; } .center .sec-lead { margin: 0 auto; }
.hl { color: var(--blue-t); }
.small { font-size: 13px; color: var(--dim); }
.ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--bg2); color: var(--ink2); flex: none; border: 1px solid var(--line2); }
.ic svg { width: 22px; height: 22px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--dim); font-size: 13px; background: var(--bg); }
footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer a { text-decoration: none; } footer a:hover { color: var(--text); }
footer .ft-links { display: flex; gap: 18px; }

/* 큰 맨 아래(첫 화면·하위 쪽 공용, 10-11 zeroending.com 참조로 짙은 칸) */
footer.big { background: var(--ink); border-top: 0; padding: 64px 0 40px; color: rgba(255,255,255,.55); font-size: 14px; }
footer.big .wrap { display: block; }
footer.big .logo { color: #fff; }
footer.big a:hover { color: #fff; }
.ft-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 24px; }
.ft-top p { margin: 14px 0 0; max-width: 340px; line-height: 1.6; }
.ft-col b { display: block; color: #fff; font-size: 14px; margin-bottom: 14px; }
.ft-col a { display: block; color: rgba(255,255,255,.62); font-size: 14px; margin-bottom: 10px; }
.ft-bot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: rgba(255,255,255,.45); }
/* 맨 아래 바로 위 문의 띠(커뮤니티 쪽들) */
.ft-cta { background: var(--bg2); border-top: 1px solid var(--line2); padding: 56px 0; }
.ft-cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ft-cta h2 { font-size: clamp(22px, 3vw, 28px); letter-spacing: -.6px; margin: 0 0 6px; }
.ft-cta p { margin: 0; color: var(--sub); }
.ft-cta .btns { display: flex; gap: 8px; flex: none; }
/* 하위 쪽 위 짙은 띠: 빵부스러기 · 큰 제목 · 설명 */
.pg-hero { background: var(--ink); color: #fff; padding: 72px 0 68px; }
.pg-hero .crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 14px; color: rgba(255,255,255,.55); }
.pg-hero .crumb a { color: rgba(255,255,255,.62); text-decoration: none; } .pg-hero .crumb a:hover { color: #fff; }
.pg-hero .crumb i { font-style: normal; color: rgba(255,255,255,.35); }
.pg-hero .crumb [aria-current] { color: #fff; font-weight: 600; }
.pg-hero h1 { font-size: clamp(32px, 5.2vw, 52px); line-height: 1.25; letter-spacing: -.045em; margin: 16px 0 14px; color: #fff; font-weight: 800; }
.pg-hero .lead { margin: 0; max-width: 720px; font-size: clamp(16px, 2vw, 18px); line-height: 1.65; color: rgba(255,255,255,.72); }
.pg-hero .pill { display: inline-block; margin: 22px 0 0; font-size: 14px; font-weight: 700; color: #fff; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 6px 14px; }

@media (max-width: 960px) { nav { display: none; } .nav-burger { display: grid; } header .btn { margin-left: auto; } header .hlogin { margin-left: auto; } header .hlogin + .btn { margin-left: 0; } header .hme { margin-left: auto; } header .hme + .hlogin { margin-left: 0; } }
@media (max-width: 900px) {
  .ft-top { grid-template-columns: 1fr 1fr; } .ft-top > div:first-child { grid-column: span 2; }
  .ft-cta .wrap { flex-direction: column; align-items: stretch; }
}
@media (max-width: 640px) {
  section { padding: 72px 0; }
  .pg-hero { padding: 48px 0 44px; }
  .ft-cta { padding: 44px 0; } .ft-cta .btns { flex-direction: column; }
  footer.big { padding-top: 48px; }
  .sec-lead { font-size: 16px; }
  header .btn .l { display: none; } header .btn .s { display: inline; }
  header .hme { max-width: 150px; padding-right: 12px; }
}