/* =========================================================================
   study.css — 온라인 스터디 (study.html)
   -------------------------------------------------------------------------
   헤더·버튼·타이포는 css/site.css. 말풍선·배지는 css/bubble.css.
   ========================================================================= */

main { padding-top: var(--header-h); }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 800px; }
section { padding: 60px 0; }
h2.sec { font-size: clamp(22px,3vw,32px); font-weight: 700; letter-spacing: -.03em; margin-bottom: 10px; }
p.lead { font-size: 15px; color: var(--ink-soft); line-height: 1.75; margin-bottom: 28px; max-width: 760px; }
p.lead b { color: var(--ink); font-weight: 600; }

.top { background: var(--dark); color: #fff; padding: 72px 0 60px; }
.top .eyebrow { color: rgba(255,255,255,.85); margin-bottom: 20px; }
.top h1 { font-size: clamp(28px,4.4vw,50px); font-weight: 200; letter-spacing: .02em;
  line-height: 1.12; margin-bottom: 18px; }
.top p { font-size: clamp(15px,1.6vw,18px); font-weight: 300; line-height: 1.75;
  color: rgba(255,255,255,.86); max-width: 720px; }
.top p b { font-weight: 600; color: #fff; }

/* 설계 근거 */
.why { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 14px; }
.whycard { border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px; background: #fff; }
.whycard h3 { font-size: 16px; letter-spacing: -.02em; margin-bottom: 9px; }
.whycard p { font-size: 13.5px; line-height: 1.72; color: #374151; }

/* 네 자리 */
.roles { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 14px; }
.rolecard { border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px; background: #fff; }
.rolecard h3 { font-size: 16.5px; letter-spacing: -.02em; margin-bottom: 10px; color: var(--blue); }
.rolecard .job { font-size: 14px; line-height: 1.72; color: #374151; }
.rolecard .rwhy { margin-top: 11px; padding-top: 11px; border-top: 1px dashed var(--line);
  font-size: 12.5px; line-height: 1.7; color: var(--ink-soft); }

/* 70분 흐름 */
.flow { display: flex; flex-direction: column; gap: 10px; }
.flowrow { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; background: #fff; }
.flowrow.together { border-left: 4px solid var(--blue); }
.flowrow.solo { border-left: 4px solid #b58a2e; background: #fbf9f3; }
.fmin { flex: 0 0 46px; font-family: var(--disp); font-size: 17px; font-weight: 600;
  letter-spacing: .04em; }
.fwho { flex: 0 0 auto; font-size: 11.5px; padding: 3px 10px; border-radius: 999px;
  background: #eef1f5; color: var(--ink-soft); margin-top: 2px; }
.flowrow.together .fwho { background: #eaf0fb; color: var(--blue); font-weight: 600; }
.flowrow.solo .fwho { background: #f3ecd9; color: #8a6a22; font-weight: 600; }
.fbody { flex: 1 1 260px; }
.fbody b { display: block; font-size: 15px; letter-spacing: -.02em; margin-bottom: 5px; }
.fbody p { font-size: 13.5px; line-height: 1.7; color: var(--ink-soft); }
.flink { flex: 0 0 auto; font-size: 12.5px; color: var(--blue);
  border-bottom: 1px solid currentColor; padding-bottom: 1px; white-space: nowrap; }

/* 조건 고르기 */
.form { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 14px;
  margin-bottom: 28px; }
.form fieldset { border: 1px solid var(--line); border-radius: 16px; padding: 18px 18px 20px;
  background: #fff; }
.form legend { font-size: 13.5px; font-weight: 700; padding: 0 8px; }
.form legend .opt { font-weight: 400; color: var(--ink-soft); font-size: 12px; margin-left: 4px; }
.form .hint { font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; margin: 4px 0 12px; }
.form input[type=date], .form input[type=text] {
  width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 10px;
  padding: 0 12px; font-size: 15px; font-family: inherit; background: #fff; }
.form input:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.chips { display: flex; gap: 7px; flex-wrap: wrap; }
.chip { font-size: 13px; padding: 9px 15px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; transition: .15s; }
.chip:hover { border-color: var(--ink); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 모집글 */
.out { border: 1px solid var(--line); border-radius: 20px; background: #fff; overflow: hidden; }
.out-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 18px 20px; border-bottom: 1px solid var(--line); }
.out-head h3 { font-size: 15.5px; letter-spacing: -.02em; }
.out-btns { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.post { padding: 22px 20px; font-family: var(--body); font-size: 14px; line-height: 1.85;
  color: #1f2733; white-space: pre-wrap; word-break: break-word; margin: 0;
  max-height: 460px; overflow-y: auto; }
.gonote { padding: 0 20px 20px; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* 솔직 고지 */
.honest { border: 1px dashed #d7c7a8; background: #fbf9f3; border-radius: 18px; padding: 22px 24px; }
.honest > b { display: block; font-size: 15px; margin-bottom: 12px; color: #8a6a22; }
.honest li b { font-weight: 700; color: var(--ink); }
.honest ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.honest li { font-size: 14px; line-height: 1.75; color: #374151; padding-left: 18px; position: relative; }
.honest li::before { content: "·"; position: absolute; left: 4px; font-weight: 700; color: #b58a2e; }
.honest a { color: var(--blue); border-bottom: 1px solid currentColor; }

@media (max-width: 640px) {
  .fmin { flex: 0 0 40px; font-size: 15px; }
}