/* =====================================================================
   about.css — 선생님 · 원장 소개 쪽(about.html · body.ab) 한 곳 [I]
   첫 화면(index · landing.css)과 같은 맑은 하늘 + 주황 꼴. landing.css 는 읽지 않음(다른 작업자가 고치는 중).
   색 · 크기는 tokens.css 변수 + 아래 이 쪽 색 묶음 한 곳. 글자 18px 이상. 흐림 덮개 없음. 움직임 줄이기 설정이면 멈춤.
   ===================================================================== */
[hidden] { display: none !important; }
.ab {
  --sky-1: #EAF6FD; --sky-2: #D6EEFB; --sky-3: #BFE3F7; --sky-deep: #0E6C96;
  --or: #F2711C; --or-deep: #B9480B; --or-soft: #FFE8D4; --cream: #FFF8EE;
  --brand: var(--sky-deep); --brand-deep: #0A4F70; --brand-soft: #E1F2FB;
  --bezel: #1B2440;
  --ab-w: 1240px;
  background: var(--card); color: var(--ink);
}
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
.ab main { overflow-x: clip; }
.ab a { color: inherit; }
.ab .btn { text-decoration: none; }
.ab .btn-main, .ab .btn-go { color: #fff; }
.ab img { max-width: 100%; height: auto; display: block; }
.ab-in { max-width: var(--ab-w); margin: 0 auto; padding: 0 32px; }
:where(.ab) :where(h2, h3, h4, p, ul, ol, figure) { margin: 0; }
.small { font-size: var(--t-s); color: var(--ink-2); line-height: 1.65; margin-top: var(--s5); }

/* 머리 */
.ab-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 30; height: 80px; display: flex; align-items: center; transition: background var(--m-slow) var(--ease), box-shadow var(--m-slow) var(--ease), height var(--m-slow) var(--ease); }
.ab-nav .ab-in { display: flex; align-items: center; gap: var(--s5); width: 100%; }
.ab-nav.solid { background: rgba(255,255,255,.96); box-shadow: 0 1px 0 var(--line), 0 12px 32px -24px rgba(21,33,59,.45); height: 72px; }
.ab-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.ab-brand img { height: 40px; width: auto; flex: none; max-width: none; }
.ab-brand span { display: flex; flex-direction: column; line-height: 1; }
.ab-brand b { font-size: 24px; font-weight: 900; letter-spacing: -0.03em; }
.ab-brand i { font-style: normal; font-size: 13px; letter-spacing: .32em; font-weight: 800; color: var(--sky-deep); margin-top: 5px; }
.ab-grow { flex: 1; }
.ab-links { display: flex; gap: 4px; }
.ab-links a { text-decoration: none; font-size: var(--t-s); font-weight: 700; padding: 10px 16px; border-radius: var(--r-pill); color: var(--ink-2); transition: color var(--m-fast) var(--ease), background var(--m-fast) var(--ease); }
.ab-links a:hover { color: var(--or-deep); background: var(--or-soft); }

/* 1. 맨 위 */
.hero { position: relative; overflow: hidden; padding: 148px 0 140px;
  background: radial-gradient(900px 560px at 82% 18%, rgba(126,200,240,.45), transparent 62%), radial-gradient(640px 460px at 4% 96%, rgba(255,176,102,.30), transparent 62%), linear-gradient(180deg, #FFFFFF 0%, var(--sky-1) 55%, var(--sky-2) 100%); }
.sky { position: absolute; inset: 0; pointer-events: none; }
.sky .glow { position: absolute; border-radius: 50%; }
.sky .g1 { width: 520px; height: 520px; right: 4%; top: -14%; background: radial-gradient(closest-side, rgba(56,170,230,.22), transparent); }
.sky .g2 { width: 420px; height: 420px; left: -6%; top: 34%; background: radial-gradient(closest-side, rgba(255,160,80,.20), transparent); }
.sky .grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(14,108,150,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(14,108,150,.06) 1px, transparent 1px); background-size: 64px 64px; -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%); }
.fl { position: absolute; display: block; filter: drop-shadow(0 16px 20px rgba(14,60,100,.18)); animation: fl-a 11s ease-in-out infinite alternate; }
.f1 { width: 64px; left: 3%; top: 18%; } .f2 { width: 46px; left: 46%; bottom: 8%; animation-duration: 13s; }
.f3 { width: 50px; right: 3%; bottom: 10%; animation-duration: 12s; } .f4 { width: 40px; left: 40%; top: 12%; animation-duration: 9s; }
@keyframes fl-a { 0% { transform: translateY(0) rotate(-6deg); } 100% { transform: translateY(-24px) rotate(8deg); } }
.hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 56px; align-items: center; }
.eye-pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px 8px 14px; border-radius: var(--r-pill); border: 1px solid var(--sky-3); background: #fff; font-size: var(--t-s); font-weight: 700; box-shadow: 0 8px 20px -14px rgba(14,108,150,.5); }
.eye-pill b { font-weight: 800; }
.eye-pill .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--or); box-shadow: 0 0 0 4px rgba(242,113,28,.2); flex: none; }
.hero h1 { margin-top: var(--s5); font-size: clamp(40px, 3.8vw, 60px); line-height: 1.18; letter-spacing: -0.045em; font-weight: 900; }
.hero-big { margin-top: var(--s4); font-size: clamp(26px, 2.2vw, 34px); font-weight: 800; letter-spacing: -0.03em; }
.hero-big em { font-style: normal; color: var(--or-deep); position: relative; z-index: 0; }
.hero-big em::after { content: ""; position: absolute; left: -2%; right: -2%; bottom: .06em; height: .26em; border-radius: .1em; background: var(--or); opacity: .28; z-index: -1; }
.lead { margin-top: var(--s5); font-size: 20px; line-height: 1.75; color: var(--ink-2); max-width: 600px; }
.acts { display: flex; gap: var(--s3); margin-top: var(--s6); flex-wrap: wrap; }
.ghost { background: #fff; border-color: var(--or); color: var(--or-deep); }
.ghost:hover { background: var(--or-soft); border-color: var(--or-deep); }
.ghost .ico { color: var(--or-deep); }
.hero-pics { position: relative; padding: 28px 8% 64px 0; }
.dv-board .scr { border-radius: 16px; border: 12px solid var(--bezel); overflow: hidden; background: #fff; box-shadow: 0 40px 80px -36px rgba(14,60,100,.5); }
.dv-board .leg { display: block; width: 9%; height: 30px; margin: 0 auto; background: linear-gradient(90deg, #1B2240, #2A3460 50%, #1B2240); border-radius: 0 0 6px 6px; }
.dv-phone { position: absolute; right: 0; bottom: 0; width: 25%; animation: bob 6s ease-in-out infinite alternate; }
.dv-phone .scr { border: 8px solid var(--bezel); border-radius: 28px; overflow: hidden; background: #fff; box-shadow: 0 40px 60px -24px rgba(14,60,100,.55); }
@keyframes bob { 0% { transform: translateY(0); } 100% { transform: translateY(-12px); } }
.tag { position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; padding: 10px 16px; border-radius: var(--r-pill); background: #fff; font-size: var(--t-s); font-weight: 800; box-shadow: 0 0 0 1px var(--sky-3), 0 16px 32px -16px rgba(14,60,100,.45); animation: bob 5s ease-in-out infinite alternate; }
.tag .ico { width: 22px; height: 22px; color: var(--or-deep); }
.t1 { top: 0; left: 6%; } .t2 { bottom: 40%; right: 18%; animation-delay: -2.5s; }

/* 숫자 띠 */
.nums { position: relative; z-index: 2; margin-top: -72px; }
.nums > .ab-in:first-child { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); background: var(--card); border-radius: var(--r-xl); box-shadow: 0 30px 60px -34px rgba(14,60,100,.4), 0 0 0 1px var(--sky-3); padding: 36px 24px; max-width: calc(var(--ab-w) - 64px); }
.nm { text-align: center; padding: 0 12px; border-left: 1px solid var(--line); }
.nm:first-child { border-left: 0; }
.nm b { display: flex; align-items: baseline; justify-content: center; gap: 4px; line-height: 1; white-space: nowrap; }
.nm .num { font-size: 52px; font-weight: 900; letter-spacing: -0.04em; color: var(--or-deep); font-variant-numeric: tabular-nums; }
.nm small { font-size: 22px; font-weight: 800; }
.nm > span { display: block; margin-top: 10px; font-size: var(--t-s); color: var(--ink-2); font-weight: 600; line-height: 1.5; }
.nm > span i { font-style: normal; font-weight: 800; color: var(--ink); }
.nums-note { margin-top: 16px; text-align: center; font-size: var(--t-s); color: var(--ink-2); }

/* 섹션 공통 */
.sec { padding: 120px 0; position: relative; }
.sec-sky { background: linear-gradient(180deg, var(--sky-1) 0%, #F5FBFF 100%); }
.sec-cream { background: var(--cream); }
.sh .eye { display: inline-flex; align-items: center; gap: 10px; font-size: var(--t-s); font-weight: 800; color: var(--sky-deep); margin-bottom: var(--s4); }
.sh .eye::before { content: ""; width: 28px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--or), #FFB066); }
.sh h2 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.24; letter-spacing: -0.04em; font-weight: 900; }
.sh p { margin-top: var(--s4); font-size: 20px; line-height: 1.7; color: var(--ink-2); max-width: 700px; }

/* 2. 강점 카드 */
.cards { margin-top: 56px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 24px 48px -36px rgba(14,60,100,.45); transition: transform var(--m-slow) var(--ease), box-shadow var(--m-slow) var(--ease), border-color var(--m-slow) var(--ease); }
.card:hover { transform: translateY(-4px); border-color: var(--sky-3); box-shadow: 0 32px 56px -32px rgba(14,60,100,.5); }
.card .pic { position: relative; aspect-ratio: 16 / 10; background: linear-gradient(160deg, var(--sky-1), var(--sky-2)); padding: 18px 18px 0; overflow: hidden; }
.card .pic img { width: 100%; border-radius: 10px 10px 0 0; box-shadow: 0 12px 28px -16px rgba(14,60,100,.5); transition: transform .8s var(--ease); transform-origin: 50% 0; }
.card:hover .pic img { transform: scale(1.03); }
.card .pic.two { display: flex; gap: 12px; align-items: flex-start; }
.card .pic.two img { width: auto; flex: 1 1 0; min-width: 0; }
.card .pic.two img.ph { flex: 0 0 30%; border-radius: 14px 14px 0 0; }
.soon { position: absolute; top: 14px; right: 14px; background: var(--ink); color: #fff; font-size: var(--t-s); font-weight: 800; padding: 6px 14px; border-radius: var(--r-pill); }
.card .body { padding: 26px 26px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card .no { width: 40px; height: 40px; border-radius: 12px; background: var(--or-soft); color: var(--or-deep); font-weight: 900; font-size: 20px; display: inline-grid; place-items: center; }
.card h3 { font-size: 24px; font-weight: 900; letter-spacing: -0.03em; line-height: 1.3; }
.card .body > p { font-size: 19px; line-height: 1.65; color: var(--ink-2); }
.dots { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.dots li { position: relative; padding-left: 22px; font-size: var(--t-s); line-height: 1.55; }
.dots li::before { content: ""; position: absolute; left: 4px; top: .6em; width: 8px; height: 8px; border-radius: 50%; background: var(--or); }
.card details { margin-top: auto; border-top: 1px solid var(--line); padding-top: 8px; }
.card summary, .more { list-style: none; display: inline-flex; align-items: center; gap: 6px; min-height: var(--hit); font-size: var(--t-s); font-weight: 800; color: var(--sky-deep); cursor: pointer; text-decoration: none; }
.more { margin-top: auto; border-top: 1px solid var(--line); padding-top: 8px; width: 100%; }
.card summary::-webkit-details-marker { display: none; }
.card summary .ico, .more .ico { width: 22px; height: 22px; transition: transform var(--m-slow) var(--ease); }
.card details[open] summary .ico { transform: rotate(180deg); }
.card details p { font-size: var(--t-s); line-height: 1.7; color: var(--ink-2); padding-bottom: 4px; }
.card details a { color: var(--sky-deep); font-weight: 800; }

/* 3. 100분 띠 */
.band-box { margin-top: 48px; background: var(--card); border-radius: var(--r-xl); padding: 36px; box-shadow: 0 30px 60px -40px rgba(14,60,100,.45), 0 0 0 1px var(--sky-3); }
.band-top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.band-top b { font-size: 22px; font-weight: 800; }
.band-min { font-size: 44px; font-weight: 900; color: var(--or-deep); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.band-range { -webkit-appearance: none; appearance: none; width: 100%; height: 56px; background: transparent; margin: 8px 0 0; cursor: grab; --p: 33%; }
.band-range::-webkit-slider-runnable-track { height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--or) 0 var(--p), var(--sky-2) var(--p) 100%); }
.band-range::-moz-range-track { height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--or) 0 var(--p), var(--sky-2) var(--p) 100%); }
.band-range::-webkit-slider-thumb { -webkit-appearance: none; width: 44px; height: 44px; margin-top: -16px; border-radius: 50%; background: #fff; border: 4px solid var(--or); box-shadow: 0 6px 16px -6px rgba(185,72,11,.6); }
.band-range::-moz-range-thumb { width: 36px; height: 36px; border-radius: 50%; background: #fff; border: 4px solid var(--or); }
.band-range:focus-visible { outline: var(--line-w3) solid var(--brand); outline-offset: 4px; border-radius: 8px; }
.band-scale { display: flex; justify-content: space-between; font-size: var(--t-s); color: var(--ink-2); font-weight: 600; }
.band { margin-top: 28px; }
.band .parts { position: relative; height: 34px; }
.band .parts span { position: absolute; top: 0; height: 28px; border-bottom: 3px solid var(--ink); font-size: var(--t-s); font-weight: 800; text-align: center; white-space: nowrap; transition: left var(--m-slow) var(--ease), width var(--m-slow) var(--ease); }
.band .blocks { display: flex; height: 64px; border-radius: 14px; overflow: hidden; gap: 3px; }
.band .blocks i { flex: 1 1 0; background: var(--c); display: grid; place-items: center; transition: flex-grow var(--m-slow) var(--ease); min-width: 0; }
.band .blocks em { font-style: normal; color: #fff; font-weight: 900; font-size: var(--t-s); text-shadow: 0 1px 2px rgba(0,0,0,.35); }
.band-list { list-style: none; padding: 0; margin-top: 24px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px 20px; }
.band-list li { display: grid; grid-template-columns: 16px 1fr; column-gap: 10px; align-items: center; }
.band-list i { width: 16px; height: 16px; border-radius: 5px; background: var(--c); grid-row: span 2; }
.band-list b { font-size: var(--t-s); font-weight: 800; }
.band-list span { font-size: var(--t-s); color: var(--ink-2); }

.band-ctl { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.band-age { font-size: var(--t-s); line-height: 1.6; color: var(--ink-2); padding: 12px 16px; border-radius: 12px; background: var(--sky-1); margin-bottom: 20px; }
.band-notes { margin-top: 28px; background: var(--card); border: 1px solid var(--sky-3); border-radius: var(--r-xl); padding: 28px; }
.band-notes h3 { font-size: 24px; font-weight: 900; letter-spacing: -0.03em; }
.band-notes > p { margin-top: 8px; font-size: var(--t-s); color: var(--ink-2); line-height: 1.6; }
.band-notes ul { list-style: none; padding: 0; margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; }
.band-notes li { display: flex; flex-direction: column; gap: 4px; padding-left: 14px; border-left: 5px solid var(--c); }
.band-notes li b { font-size: var(--t-s); font-weight: 800; }
.band-notes li span { font-size: var(--t-s); color: var(--ink-2); line-height: 1.55; }

/* 4. 학습 단계 */
.ladder { margin-top: 56px; display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; align-items: end; }          /* [Q56] 8단계 */
.step { --h: calc(120px + var(--i) * 26px); min-height: var(--h); font: inherit; color: var(--ink); text-align: left; cursor: pointer; border: 2px solid var(--line); border-top: 8px solid var(--c); border-radius: 16px; background: #fff; padding: 16px 16px 18px; display: flex; flex-direction: column; justify-content: flex-end; gap: 4px; transition: transform var(--m-mid) var(--ease), box-shadow var(--m-mid) var(--ease), border-color var(--m-mid) var(--ease), background var(--m-mid) var(--ease); }
.step:hover { transform: translateY(-4px); box-shadow: 0 18px 30px -20px rgba(14,60,100,.55); }
.step.on { border-color: var(--c); background: color-mix(in srgb, var(--c) 9%, #fff); box-shadow: 0 18px 30px -18px rgba(14,60,100,.55); }
.step:focus-visible { outline: var(--line-w3) solid var(--brand); outline-offset: 3px; }
.step .lv { font-size: var(--t-s); font-weight: 800; color: var(--ink-2); }
.step b { font-size: 22px; font-weight: 900; letter-spacing: -0.02em; line-height: 1.15; }
.step .ko { font-size: var(--t-s); font-weight: 700; color: var(--ink-2); }
.stage-card { margin-top: 20px; border-radius: var(--r-xl); background: var(--card); border: 2px solid var(--c); padding: 32px; box-shadow: 0 30px 60px -44px rgba(14,60,100,.5); }
.sc-age { display: inline-block; font-size: var(--t-s); font-weight: 800; color: #fff; background: var(--c); padding: 4px 14px; border-radius: var(--r-pill); }
.stage-card h3 { margin-top: 12px; font-size: 32px; font-weight: 900; letter-spacing: -0.03em; }
.stage-card h3 b { color: var(--c); }
.sc-goal { margin-top: 8px; font-size: 21px; line-height: 1.6; font-weight: 600; }
.sc-grid { margin-top: 24px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sc-box { background: var(--k-bg); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.sc-box h4 { font-size: var(--t-s); font-weight: 800; color: var(--ink-2); }
.sc-box p, .sc-box li { font-size: var(--t-s); line-height: 1.55; }
.sc-top { font-weight: 800; font-size: 20px !important; }
.abar { display: flex; height: 18px; border-radius: 9px; overflow: hidden; gap: 2px; }
.abar i { flex-basis: 0; }
.abar-key { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr; gap: 2px; }
.abar-key li { display: flex; align-items: center; gap: 8px; }
.abar-key i { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.abar-key b { margin-left: auto; }
.sc-note { color: var(--ink-2); }
.sc-themes, .sc-next { padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.sc-themes li { font-weight: 700; }
.mix { display: flex; gap: 3px; height: 20px; border-radius: 10px; overflow: hidden; }
.mix span { flex-basis: 0; background: var(--c); }

.year { margin-top: 56px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 32px; }
.year h3, .box h3, .paths h3 { font-size: 26px; font-weight: 900; letter-spacing: -0.03em; }
.year-head p { margin-top: 8px; font-size: var(--t-s); line-height: 1.65; color: var(--ink-2); max-width: 900px; }
.year-ctl { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.year-q { display: none; }
.seg > button { font-size: var(--t-s); }
.year-grid { margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 24px; }
.yr { display: grid; grid-template-columns: 52px repeat(4, minmax(0, 1fr)); gap: 6px; align-items: stretch; }
.yr.off { display: none; }
.ym { font-size: var(--t-s); font-weight: 800; color: var(--ink-2); align-self: center; }
.yc { position: relative; font-size: var(--t-s); line-height: 1.3; padding: 8px 8px 8px 14px; background: color-mix(in srgb, var(--c) 10%, #fff); border-radius: 8px; overflow: hidden; display: flex; align-items: center; min-height: 52px; }
.yc i { position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--c); }
.spiral { margin-top: 20px; font-size: var(--t-s); line-height: 1.65; padding: 16px 20px; border-radius: 14px; background: var(--or-soft); }
.spiral b { color: var(--or-deep); margin-right: 8px; }

.two-col { margin-top: 32px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 28px; }
.lvl { margin-top: 16px; width: 100%; border-collapse: collapse; }
.lvl th, .lvl td { text-align: left; padding: 14px 8px; border-top: 1px solid var(--line); font-size: var(--t-s); line-height: 1.55; vertical-align: top; }
.lvl th { width: 104px; font-weight: 800; color: var(--sky-deep); white-space: nowrap; }
.areas { list-style: none; padding: 0; margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.areas li { display: grid; grid-template-columns: 16px 140px 1fr; gap: 10px; align-items: baseline; font-size: var(--t-s); line-height: 1.5; }
.areas i { width: 16px; height: 16px; border-radius: 5px; background: var(--c); align-self: center; }
.areas span { color: var(--ink-2); }

.paths { margin-top: 32px; background: linear-gradient(160deg, var(--sky-1), #fff); border: 1px solid var(--sky-3); border-radius: var(--r-xl); padding: 32px; }
.path-row { margin-top: 20px; display: flex; align-items: center; gap: 16px; }
.pth { background: #fff; border: 2px solid var(--sky-3); border-radius: 16px; padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }
.pth b { font-size: 21px; font-weight: 900; }
.pth span { font-size: var(--t-s); color: var(--ink-2); line-height: 1.5; }
.pth.main { border-color: var(--or); background: var(--or-soft); flex: 0 0 auto; }
.pth-two { flex: 1; display: grid; gap: 12px; }
.arr { width: 60px; flex: none; color: var(--or); }
.mock { margin-top: 24px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: center; }
.mock img { border-radius: 12px; box-shadow: 0 16px 32px -20px rgba(14,60,100,.5); border: 1px solid var(--line); }
.mock b { font-size: 21px; font-weight: 900; display: block; }
.mock p { margin-top: 8px; font-size: var(--t-s); line-height: 1.7; color: var(--ink-2); }

/* 5. 선생님 하루 */
.day { list-style: none; padding: 0; margin-top: 56px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; position: relative; }
.day::before { content: ""; position: absolute; left: 4%; right: 4%; top: 22px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--sky-3), var(--or)); }
.day li { position: relative; display: flex; flex-direction: column; gap: 10px; }
.when { position: relative; align-self: flex-start; background: var(--sky-deep); color: #fff; font-size: var(--t-s); font-weight: 800; padding: 10px 16px; border-radius: var(--r-pill); box-shadow: 0 0 0 6px var(--cream); }
.day li:nth-child(5) .when { background: var(--or-deep); }
.day h3 { margin-top: 8px; font-size: 22px; font-weight: 900; letter-spacing: -0.03em; }
.day p { font-size: var(--t-s); line-height: 1.6; color: var(--ink-2); }
.day img { margin-top: auto; border-radius: 10px; border: 1px solid var(--line); box-shadow: 0 14px 28px -18px rgba(14,60,100,.5); }

/* 6. 자주 묻는 것 */
.faq-in { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 72px; align-items: start; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); margin-bottom: 12px; transition: box-shadow var(--m-slow) var(--ease), border-color var(--m-slow) var(--ease); }
.faq details[open] { border-color: var(--brand); box-shadow: var(--sh-2); }
.faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; font-size: 21px; font-weight: 800; cursor: pointer; min-height: var(--hit); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { flex: none; color: var(--brand); transition: transform var(--m-slow) var(--ease); }
.faq details[open] summary .ico { transform: rotate(180deg); }
.faq summary:focus-visible, .card summary:focus-visible { outline: var(--line-w3) solid var(--brand); outline-offset: 2px; border-radius: var(--r-l); }
.faq details p { padding: 0 26px 24px; font-size: 19px; line-height: 1.75; color: var(--ink-2); }

/* 7. 맨 아래 */
.cta { padding: 40px 0 120px; }
.cta-box { text-align: center; border-radius: 32px; padding: 64px 40px; background: radial-gradient(600px 300px at 15% 0%, rgba(255,176,102,.35), transparent 70%), radial-gradient(700px 360px at 90% 100%, rgba(126,200,240,.5), transparent 70%), linear-gradient(180deg, var(--sky-1), var(--sky-2)); border: 1px solid var(--sky-3); }
.cta-box h2 { font-size: clamp(30px, 3vw, 44px); font-weight: 900; letter-spacing: -0.04em; }
.cta-box p { margin: 14px auto 28px; font-size: 20px; color: var(--ink-2); line-height: 1.6; max-width: 640px; }
.cta-box .btn-go { min-width: 280px; }
.cta-links { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.cta-links .btn { background: #fff; }
.ft { background: linear-gradient(180deg, var(--sky-2), var(--sky-3)); padding: 48px 0; }
.ft .ab-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.ft p { font-size: var(--t-s); color: var(--ink-2); }

/* 나타나기 */
.rv-on .rv { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv-on .rv.in { opacity: 1; transform: none; }
.rv-on .cards .rv:nth-child(3n+2), .rv-on .nums .rv:nth-child(2), .rv-on .day .rv:nth-child(2) { transition-delay: .08s; }
.rv-on .cards .rv:nth-child(3n), .rv-on .nums .rv:nth-child(3), .rv-on .day .rv:nth-child(3) { transition-delay: .16s; }
.rv-on .nums .rv:nth-child(4), .rv-on .day .rv:nth-child(4) { transition-delay: .24s; }
.rv-on .nums .rv:nth-child(5), .rv-on .day .rv:nth-child(5) { transition-delay: .32s; }

/* ───── 패드 (1024 쯤) ───── */
@media (max-width: 1180px) {
  .ab-links a { padding: 10px 10px; }
  .hero-in { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .hero-pics { max-width: 760px; }
  .f1 { display: none; }
  .nums > .ab-in:first-child { margin: 0 32px; padding: 30px 8px; }
  .nm { padding: 0 6px; }
  .nm .num { font-size: 40px; }
  .nm small { font-size: 19px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rv-on .cards .rv { transition-delay: 0s !important; }
  .sc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .day { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .day::before { display: none; }
  .band-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .year-grid { grid-template-columns: minmax(0, 1fr); }
  .faq-in { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 1000px) { .ab-links { display: none; } }

/* ───── 휴대폰 (390 쯤) ───── */
@media (max-width: 760px) {
  .ab-in { padding: 0 16px; }
  .ab-nav { height: 64px; } .ab-nav.solid { height: 64px; }
  .ab-brand b { font-size: 21px; } .ab-brand img { height: 34px; }
  .ab-navgo { min-height: 44px; padding: 0 14px; }
  .hero { padding: 96px 0 108px; }
  .hero h1 { font-size: 36px; }
  .hero-big { font-size: 24px; }
  .lead { font-size: 19px; }
  .acts .btn { flex: 1 1 0; min-width: 0; padding: 0 12px; }
  .hero-pics { padding: 20px 14% 44px 0; }
  .dv-board .scr { border-width: 7px; border-radius: 12px; }
  .dv-phone { width: 30%; }
  .dv-phone .scr { border-width: 5px; border-radius: 18px; }
  .t1 { left: 2%; top: -6px; } .t2 { right: 20%; bottom: 46%; }
  .fl, .tag { display: none; }
  .eye-pill { font-size: var(--t-s); padding: 8px 14px; }
  .nums { margin-top: -60px; }
  .nums > .ab-in:first-child { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 24px 12px; gap: 20px 0; margin: 0 16px; }
  .nm:nth-child(odd) { border-left: 0; }
  .nm:nth-child(3) { grid-column: 1 / -1; order: -1; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
  .nm:nth-child(4) { border-left: 0; } .nm:nth-child(5) { border-left: 1px solid var(--line); }
  .nm .num { font-size: 40px; }
  .nm small { font-size: 19px; }
  .sec { padding: 80px 0; }
  .sh p { font-size: 19px; }
  .cards { grid-template-columns: minmax(0, 1fr); gap: 20px; margin-top: 36px; }
  .card .body { padding: 22px 20px 18px; }
  .band-box { padding: 22px 16px; margin-top: 32px; }
  .band-min { font-size: 36px; }
  .band .blocks { height: 52px; border-radius: 10px; gap: 2px; }
  .band .blocks em { font-size: 0; }
  .band-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .band-ctl .seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .band-ctl #bandHalf { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .band-notes { padding: 22px 16px; } .band-notes ul { grid-template-columns: minmax(0, 1fr); }
  .ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 36px; gap: 10px; }
  .step { --h: auto; min-height: 104px; }
  .stage-card { padding: 22px 16px; }
  .stage-card h3 { font-size: 26px; }
  .sc-goal { font-size: 19px; }
  .sc-grid { grid-template-columns: minmax(0, 1fr); }
  .year { padding: 22px 16px; margin-top: 36px; }
  .year-ctl { flex-direction: column; }
  .year-ctl .seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .year-q { display: grid !important; grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .yr { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .ym { grid-column: 1 / -1; }
  .yc { font-size: var(--t-s); }
  .two-col { grid-template-columns: minmax(0, 1fr); }
  .box { padding: 22px 16px; }
  .lvl th { width: 80px; }
  .areas li { grid-template-columns: 16px minmax(0, 1fr); }
  .areas span { grid-column: 2; }
  .paths { padding: 22px 16px; }
  .path-row { flex-direction: column; align-items: stretch; }
  .arr { transform: rotate(90deg); align-self: center; width: 44px; }
  .mock { grid-template-columns: minmax(0, 1fr); }
  .day { grid-template-columns: minmax(0, 1fr); margin-top: 36px; }
  .faq summary { padding: 18px; font-size: 19px; } .faq details p { padding: 0 18px 18px; font-size: 18px; }
  .cta { padding: 24px 0 80px; }
  .cta-box { padding: 44px 18px; border-radius: 24px; }
  .cta-box .btn-go { min-width: 0; width: 100%; }
  .cta-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-links .btn { padding: 0 8px; }
}

/* 움직임 끄기 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fl, .tag, .dv-phone, .btn-go { animation: none !important; }
  .card, .card .pic img, .step, .band .blocks i, .band .parts span { transition: none !important; }
  .rv-on .rv { opacity: 1; transform: none; }
}

/* [B2 10-21] 그림 위 한 줄 표 — 긴 글도 그림 안에 */
.pic .soon { max-width: calc(100% - 28px); white-space: normal; line-height: 1.35; text-align: right; }

/* [RA] 1년 흐름 — 달 옆 큰 주제 */
.ym .ybig { display: block; font-size: var(--t-s); font-weight: 700; color: var(--ink); line-height: 1.3; }
@media (min-width: 761px) { .yr { grid-template-columns: 112px repeat(4, minmax(0, 1fr)); } }

/* [W50] 단계 사다리 위 과정 묶음(생각오름 · 교과 사고력) — 이름은 config.js 한 곳 */
.lad-tracks { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 12px; margin-top: 56px; }
.lad-trk { grid-column: span var(--n, 1); display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding: 10px 4px 12px; border-bottom: var(--line-w3) solid var(--ink-2); }
.lad-trk b { font-size: var(--t-m); font-weight: 900; color: var(--ink); }
.lad-trk span { font-size: var(--t-s); font-weight: 700; color: var(--ink-2); }
.lad-tracks + .ladder { margin-top: 16px; }
@media (max-width: 1180px) {
  .lad-tracks { display: flex; flex-wrap: wrap; gap: 8px 24px; }
  .lad-trk { border-bottom: 0; border-left: var(--line-w3) solid var(--ink-2); padding: 2px 0 2px 12px; }
}