/* 나날 홈페이지 공통 모양. 색은 앱의 "아침볕" 테마(라이트)와 다크 값을 그대로 쓴다.
   배치: 왼쪽 큰 글, 오른쪽 "달력이 겹치는" 주간 그림. 아래로 갈수록 한 줄씩 읽는 구성. */
:root {
  --bg: #FBF6EE;
  --card: #FFFFFF;
  --ink: #2B241D;
  --ink-2: #6E6258;
  --accent: #C8623A;
  --accent-strong: #B5532D;
  --on-accent: #FFFFFF;
  --soft: #F7E6DA;
  --me: #C8623A;
  --f1: #4F7A9C;
  --f2: #6F8F5A;
  --sun: #E8C25C;
  --sun-wash: #FBEFC8;
  --line: rgba(43, 36, 29, 0.12);
  --band: #2B241D;
  --band-ink: #FBF6EE;
  --band-ink-2: #CDBFAE;
  --serif: "Gowun Batang", "Noto Serif KR", "Apple SD Gothic Neo", serif;
  --sans: "Gowun Dodum", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1C1713; --card: #27201A; --ink: #F5EDE3; --ink-2: #C9BBAA;
    --accent: #F0956B; --accent-strong: #F0956B; --on-accent: #2B1608; --soft: #3D2A20;
    --me: #F0956B; --f1: #8DB7D6; --f2: #A9C494; --sun: #E8C25C; --sun-wash: #3A3114;
    --line: rgba(245, 237, 227, 0.14);
    --band: #120E0B; --band-ink: #F5EDE3; --band-ink-2: #B8AA99;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1C1713; --card: #27201A; --ink: #F5EDE3; --ink-2: #C9BBAA;
  --accent: #F0956B; --accent-strong: #F0956B; --on-accent: #2B1608; --soft: #3D2A20;
  --me: #F0956B; --f1: #8DB7D6; --f2: #A9C494; --sun: #E8C25C; --sun-wash: #3A3114;
  --line: rgba(245, 237, 227, 0.14);
  --band: #120E0B; --band-ink: #F5EDE3; --band-ink-2: #B8AA99;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; margin: 0; text-wrap: balance; }
.wrap {
  max-width: 1120px; margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
a:focus-visible, button:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; border-radius: 6px; }

/* 맨 위 */
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 23px var(--serif); text-decoration: none; }
.logo { width: 32px; height: 32px; flex: none; }
nav.top-nav { display: flex; gap: 26px; font-size: 15px; color: var(--ink-2); }
nav.top-nav a { text-decoration: none; padding: 8px 0; }
nav.top-nav a:hover { color: var(--ink); }
@media (max-width: 560px) { nav.top-nav a.hide-s { display: none; } }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; min-height: 52px; padding: 0 26px;
  border-radius: 16px; font: 700 16px var(--sans); text-decoration: none;
  background: var(--accent-strong); color: var(--on-accent); border: 1px solid transparent;
}
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
@media (prefers-reduced-motion: no-preference) {
  .btn { transition: transform .15s ease; }
  .btn:hover { transform: translateY(-2px); }
}

/* 첫 화면 */
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 64px; align-items: center; padding-block: 40px 88px;
}
.eyebrow { font-size: 15px; color: var(--accent-strong); margin-bottom: 18px; }
h1 { font-size: clamp(44px, 7.4vw, 88px); line-height: 1.12; letter-spacing: -0.02em; }
h1 .lit { background: linear-gradient(transparent 60%, var(--sun) 60%, var(--sun) 94%, transparent 94%); }
.lead { margin-top: 26px; max-width: 30em; color: var(--ink-2); font-size: 19px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.note { margin-top: 16px; font-size: 14px; color: var(--ink-2); }

/* 겹치는 주간 그림 */
.weekbox { background: var(--card); border: 1px solid var(--line); border-radius: 26px; padding: 22px 20px 20px; }
.weekbox h2 { font-size: 15px; font-family: var(--sans); font-weight: 400; color: var(--ink-2); margin-bottom: 14px; }
.week { display: grid; grid-template-columns: 44px repeat(7, minmax(0, 1fr)); gap: 6px; align-items: center; position: relative; }
.week .dh { text-align: center; font-size: 12px; color: var(--ink-2); line-height: 1.3; padding-bottom: 4px; }
.week .dh b { display: block; font: 700 15px var(--serif); color: var(--ink); }
.week .who { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; min-width: 0; }
.week .who i { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.week .c { height: 34px; border-radius: 10px; }
.c.busy { opacity: .9; }
.c.me { background: var(--me); }
.c.f1 { background: var(--f1); }
.c.f2 { background: var(--f2); }
.c.free { border: 1.5px dashed var(--line); }
.c.all { border: 0; background: var(--sun-wash); position: relative; }
.pick-band {
  position: absolute; top: -4px; bottom: -4px; border-radius: 14px;
  border: 2px solid var(--sun); pointer-events: none;
}
.week-foot { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.week-foot strong { font: 700 19px var(--serif); }
.week-foot small { display: block; color: var(--ink-2); font-size: 14px; }
.chip { font-size: 13px; padding: 6px 14px; border-radius: 999px; background: var(--sun-wash); }

/* 구역 공통 */
section { padding-block: 84px; border-top: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 40px; margin-bottom: 44px; }
h2.t { font-size: clamp(28px, 4vw, 42px); line-height: 1.3; }
.sec-head p { color: var(--ink-2); max-width: 34em; align-self: end; }

/* 이렇게 써요 (실제 순서) */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.step { padding-top: 20px; border-top: 3px solid var(--ink); }
.step .n { font: 700 46px/1 var(--serif); color: var(--accent-strong); }
.step h3 { font-size: 22px; margin: 14px 0 8px; }
.step p { color: var(--ink-2); font-size: 16px; }

/* 기능 목록 */
.list { display: grid; }
.list .row { display: grid; grid-template-columns: 150px minmax(0, 1fr) minmax(0, 1.4fr); gap: 28px; padding-block: 26px; border-top: 1px solid var(--line); align-items: baseline; }
.list .row:last-child { border-bottom: 1px solid var(--line); }
.list .tag { font-size: 14px; color: var(--accent-strong); }
.list h3 { font-size: 22px; }
.list p { color: var(--ink-2); font-size: 16px; }

/* 안심 띠 */
.band { background: var(--band); color: var(--band-ink); border-top: 0; border-radius: 32px; margin-block: 48px; padding: clamp(40px, 7vw, 80px) clamp(24px, 6vw, 72px); }
.band-in { max-width: 960px; margin: 0 auto; }
.band .sec-head p { color: var(--band-ink-2); }
.band h2.t { color: var(--band-ink); }
.pledges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.pledges h3 { font-size: 24px; line-height: 1.35; margin-bottom: 10px; }
.pledges h3 span { color: var(--sun); }
.pledges p { color: var(--band-ink-2); font-size: 16px; }
.more { margin-top: 36px; font-size: 15px; color: var(--band-ink-2); }
.more a { color: var(--sun); }

/* 내려받기 */
.dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.dl .it { border: 1px solid var(--line); border-radius: 20px; padding: 22px 20px; background: var(--card); min-width: 0; }
.dl .it b { display: block; font: 700 21px var(--serif); }
.dl .it small { display: block; color: var(--ink-2); font-size: 14px; margin: 2px 0 16px; }
.tag-soon { display: inline-block; font-size: 13px; padding: 4px 12px; border-radius: 999px; background: var(--soft); color: var(--accent-strong); }

footer { border-top: 1px solid var(--line); padding-block: 40px 64px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; font-size: 15px; color: var(--ink-2); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); text-decoration: underline; }

/* 처리방침·약관 페이지 */
.doc { max-width: 720px; margin: 0 auto; padding-block: 8px 72px; }
.doc .back { display: inline-block; margin-bottom: 18px; font-size: 15px; color: var(--ink-2); text-decoration: none; }
.doc .back:hover { color: var(--ink); text-decoration: underline; }
.doc h1 { font-size: clamp(30px, 4.6vw, 42px); line-height: 1.3; letter-spacing: 0; margin-bottom: 14px; }
.doc .intro { color: var(--ink-2); margin-bottom: 8px; }
.doc h2 { font-size: 22px; margin: 38px 0 10px; }
.doc h3 { font: 700 16px var(--sans); color: var(--accent-strong); margin: 18px 0 6px; }
.doc p { margin: 0 0 12px; }
.doc ul { margin: 0 0 12px; padding-left: 1.2em; }
.doc li { margin: 4px 0; }
.doc .sub { margin-left: 1.2em; color: var(--ink-2); }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-block: 16px 60px; }
  .sec-head { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .steps, .pledges { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .list .row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  section { padding-block: 56px; }
  .band { border-radius: 24px; margin-block: 32px; }
}
@media (max-width: 420px) {
  .week { grid-template-columns: 38px repeat(7, minmax(0, 1fr)); gap: 4px; }
  .week .who span { display: none; }
  .week .c { height: 30px; border-radius: 8px; }
  .dl { grid-template-columns: minmax(0, 1fr); }
}

/* 스크롤하면 나타나는 효과 (움직임 줄이기 설정이면 없음, 스크립트가 없으면 처음부터 보임) */
@media (prefers-reduced-motion: no-preference) {
  .js-anim .rv {
    opacity: 0; transform: translateY(28px);
    transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1);
    transition-delay: var(--d, 0ms);
  }
  .js-anim .rv.in { opacity: 1; transform: none; }
  .js-anim .weekbox .c { opacity: 0; transform: scale(.55); transition: opacity .5s ease, transform .55s cubic-bezier(.2, .8, .3, 1.2); transition-delay: var(--d, 0ms); }
  .js-anim .weekbox.in .c { opacity: 1; transform: none; }
  .js-anim .weekbox.in .c.all { animation: pulse 1.4s ease-out 1.6s 1; }
  @keyframes pulse {
    0% { box-shadow: inset 0 0 0 2px var(--sun), 0 0 0 0 var(--sun); }
    60% { box-shadow: inset 0 0 0 2px var(--sun), 0 0 0 10px transparent; }
    100% { box-shadow: inset 0 0 0 2px var(--sun), 0 0 0 0 transparent; }
  }
}

/* 내려받기 버튼과 처음 여는 법 */
.dl .it .btn.small { min-height: 40px; padding: 0 18px; font-size: 15px; border-radius: 12px; }
.guide { margin-top: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); padding: 4px 22px; }
.guide summary { cursor: pointer; padding: 16px 0; font: 700 18px var(--serif); }
.guide ol { margin: 0 0 12px; padding-left: 1.3em; }
.guide li { margin: 8px 0; color: var(--ink-2); }
.guide li b { color: var(--ink); }
.guide p { color: var(--ink-2); font-size: 15px; padding-bottom: 16px; }