/* MEMOIR 랜딩 — 다크 히어로(영상) + 라이트 섹션. 모바일 우선 반응형 · 다크 모드 · 모션 감소 대응 */
:root {
  --ink: #17181c; --ink-2: #3f4250; --mute: #6f7482; --line: #ececf1; --bg: #ffffff; --bg-2: #f7f7fa;
  --coral: #f04e37; --coral-2: #ff7a59; --grad: linear-gradient(135deg, #f04e37 0%, #ff7a59 55%, #ffa24f 100%);
  --dark: #140c0b; --radius: 20px; --shadow: 0 1px 2px rgba(20, 22, 40, .04), 0 14px 36px rgba(20, 22, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #eceef3; --ink-2: #c9cdd8; --mute: #9aa0ae; --line: #262a36; --bg: #0f1116; --bg-2: #151821; --shadow: 0 14px 36px rgba(0, 0, 0, .45); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif; -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-x: hidden; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.wrap.narrow { max-width: 860px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; padding: 8px 12px; border-radius: 8px; background: #fff; color: #000; }
.skip:focus { left: 8px; }
.br-sm { display: none; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 1px solid transparent; font-weight: 700; font-size: 15px; line-height: 1.2; white-space: nowrap; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, .nav a:focus-visible, summary:focus-visible { outline: 3px solid #ffc94d; outline-offset: 3px; }
.btn-lg { padding: 15px 24px; font-size: 17px; border-radius: 14px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 30px rgba(240, 78, 55, .45); }
.btn-primary:hover { box-shadow: 0 18px 42px rgba(240, 78, 55, .58); }
.btn-glass { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .22); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255, 255, 255, .16); }
.btn-light { background: #fff; color: var(--coral); box-shadow: 0 8px 22px rgba(0, 0, 0, .14); }
.btn-ghost-light { color: #fff; border-color: rgba(255, 255, 255, .3); }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .1); }
.play { width: 24px; height: 24px; padding-left: 2px; border-radius: 50%; background: #fff; color: var(--coral); display: grid; place-items: center; font-size: 10px; }

/* 내비 */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, box-shadow .3s; padding-top: env(safe-area-inset-top); }
.nav.solid { background: rgba(20, 12, 11, .8); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 19px; letter-spacing: .04em; }
.logo img { width: 34px; height: 34px; border-radius: 10px; }
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a { color: rgba(255, 255, 255, .78); font-weight: 600; font-size: 14.5px; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.install { padding: 9px 14px; border-radius: 11px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .12); color: #fff; font: inherit; font-weight: 700; font-size: 14px; cursor: pointer; }

/* 히어로 */
.hero { position: relative; overflow: hidden; padding-top: 128px; color: #fff; background: radial-gradient(1200px 700px at 80% -10%, #3a1510 0%, var(--dark) 55%), var(--dark); }
.aurora { position: absolute; inset: 0; pointer-events: none; filter: blur(60px); }
.aurora i { position: absolute; border-radius: 50%; mix-blend-mode: screen; animation: drift 18s ease-in-out infinite; }
.aurora i:nth-child(1) { width: 620px; height: 620px; left: -160px; top: -220px; background: radial-gradient(circle, rgba(240, 78, 55, .9) 0%, transparent 65%); }
.aurora i:nth-child(2) { width: 560px; height: 560px; right: -140px; top: 40px; background: radial-gradient(circle, rgba(255, 122, 89, .75) 0%, transparent 65%); animation-delay: -6s; }
.aurora i:nth-child(3) { width: 520px; height: 520px; left: 35%; bottom: -280px; background: radial-gradient(circle, rgba(255, 184, 107, .5) 0%, transparent 60%); animation-delay: -12s; }
@keyframes drift { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(40px, -30px) scale(1.08); } 66% { transform: translate(-30px, 20px) scale(.95); } }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 56px 56px; -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 70%); }
.hero-in { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; align-items: center; padding-bottom: 76px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); color: #ffd9cf; font-weight: 700; font-size: 14px; }
.spark { color: #ffc94d; }
.hero h1 { margin-top: 20px; font-size: clamp(38px, 5.2vw, 64px); line-height: 1.14; font-weight: 900; letter-spacing: -.025em; }
.grad-text { background: linear-gradient(90deg, #ff8a66, #ffc46b 45%, #ff7a59 90%); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 6s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }
.lead { margin-top: 22px; max-width: 560px; font-size: clamp(16px, 1.5vw, 18.5px); color: rgba(255, 255, 255, .8); }
.lead b { color: #fff; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 28px 0 0; padding: 0; list-style: none; color: rgba(255, 255, 255, .66); font-size: 14px; font-weight: 600; }
.trust li::before { content: "✓"; margin-right: 6px; color: #3fce6f; font-weight: 900; }
.hero-visual { position: relative; perspective: 1600px; }
.device { position: relative; overflow: hidden; border-radius: 18px; background: #0d0908; border: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 40px 100px rgba(0, 0, 0, .55), 0 0 120px rgba(240, 78, 55, .25); transform: rotateY(-8deg) rotateX(4deg); transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.hero-visual:hover .device { transform: rotateY(-2deg) rotateX(1deg); }
.device-bar { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; background: #1d1614; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.device-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.device-bar i:nth-child(2) { background: #febc2e; }
.device-bar i:nth-child(3) { background: #28c840; }
.device-bar span { display: flex; align-items: center; flex: 1; max-width: 340px; height: 22px; margin-left: 12px; padding: 0 10px; border-radius: 7px; background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .6); font-size: 12px; }
.device video { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: linear-gradient(135deg, #2a1714, #1a0f0d); }
.float { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 14px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); color: #fff; font-size: 14px; font-weight: 600; white-space: nowrap; box-shadow: 0 14px 40px rgba(0, 0, 0, .35); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); animation: bob 6s ease-in-out infinite; }
.float b { font-weight: 900; }
.f1 { left: -28px; top: 12%; border: 0; background: linear-gradient(135deg, rgba(255, 201, 77, .96), rgba(255, 138, 76, .96)); color: #3a1d00; }
.f2 { right: -34px; top: 40%; border: 0; background: #fff; color: #17181c; animation-delay: -2s; }
.f2 img { width: 36px; height: 36px; border-radius: 10px; }
.f2 b { display: block; color: var(--coral); font-size: 12.5px; }
.f2 span { font-size: 14px; font-weight: 700; }
.f3 { left: -18px; bottom: 14%; animation-delay: -4s; }
.f4 { right: 8%; bottom: -18px; animation-delay: -1s; }
.f4 svg { width: 34px; height: 34px; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.marquee { position: relative; z-index: 2; overflow: hidden; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .08); background: rgba(0, 0, 0, .25); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 44px; width: max-content; animation: marquee 40s linear infinite; }
.marquee span { color: rgba(255, 255, 255, .55); font-weight: 700; font-size: 15px; white-space: nowrap; }
.marquee span::before { content: "✦"; margin-right: 14px; color: var(--coral-2); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 공통 섹션 */
.section { padding: 112px 0; }
.kicker { color: var(--coral); font-weight: 800; font-size: 13px; letter-spacing: .16em; }
.section h2 { margin-top: 12px; font-size: clamp(28px, 3.6vw, 44px); line-height: 1.25; font-weight: 900; letter-spacing: -.02em; }
.hl { padding: 0 2px; background: linear-gradient(transparent 60%, rgba(255, 122, 89, .3) 60%); }
.sub { margin-top: 14px; max-width: 640px; color: var(--mute); font-size: 17px; }

/* 문제 제기 */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.pain { padding: 26px; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); }
.pain .emo { font-size: 34px; }
.pain h3 { margin-top: 12px; font-size: 19px; font-weight: 800; }
.pain p { margin-top: 8px; color: var(--mute); font-size: 15px; }
.answer { margin-top: 36px; padding: 24px 28px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(240, 78, 55, .08), rgba(255, 162, 79, .08)); border: 1px solid rgba(240, 78, 55, .22); font-size: clamp(17px, 1.8vw, 21px); line-height: 1.6; }
.answer b { color: var(--coral); }

/* 4단계 */
.how { background: var(--bg-2); }
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 52px 0 0; padding: 0; list-style: none; }
.step { display: flex; flex-direction: column; gap: 22px; padding: 28px; border-radius: 22px; background: var(--bg); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s, opacity .8s cubic-bezier(.2, .8, .2, 1); }
.step:hover { transform: translateY(-4px); box-shadow: 0 24px 50px rgba(20, 22, 40, .12); }
.num { padding: 4px 10px; border-radius: 999px; background: var(--grad); color: #fff; font-weight: 900; font-size: 14px; }
.step h3 { margin-top: 12px; font-size: 22px; font-weight: 800; }
.step p { margin-top: 8px; color: var(--mute); font-size: 15.5px; }
.mini { display: flex; align-items: center; min-height: 128px; margin-top: auto; padding: 20px; border-radius: 16px; background: var(--bg-2); border: 1px dashed var(--line); }
.mini-kw { flex-wrap: wrap; gap: 8px; }
.k { padding: 7px 12px; border-radius: 10px; background: var(--bg); border: 1.5px solid var(--line); font-weight: 700; font-size: 14px; }
.k.ok { border-color: #15a34a; background: #e6f7ec; color: #15a34a; }
.k.bad { border-color: #dc2626; background: #fdecec; color: #dc2626; text-decoration: line-through; }
.mini-order { flex-wrap: wrap; justify-content: center; gap: 8px; }
.mini-order span { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1.5px solid var(--coral); background: #fde8e4; color: var(--coral); font-weight: 800; }
.mini-order i { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--coral); color: #fff; font-style: normal; font-size: 12px; }
.mini-order b { color: var(--mute); }
.mini-dg { flex-direction: column; align-items: stretch; }
.mini-dg span { padding: 9px 12px; border-radius: 11px; border: 1.6px solid var(--coral); background: var(--bg); text-align: center; font-weight: 700; font-size: 14px; }
.mini-dg b { position: relative; display: block; width: 2px; height: 12px; margin: 0 auto 4px; background: var(--mute); }
.mini-dg b::after { content: ""; position: absolute; left: -4px; bottom: -8px; border: 5px solid transparent; border-top-color: var(--mute); }
.mini-score { gap: 20px; }
.mini-score .ring { position: relative; flex-shrink: 0; width: 96px; height: 96px; }
.mini-score svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.mini-score circle { fill: none; stroke-width: 12; stroke-linecap: round; }
.mini-score .t { stroke: var(--line); }
.mini-score .b { stroke: #15a34a; stroke-dasharray: 314.2; stroke-dashoffset: 314.2; transition: stroke-dashoffset 1.4s .2s cubic-bezier(.2, .8, .2, 1); }
.step.in .mini-score .b { stroke-dashoffset: 25; }
.mini-score .ring b { position: absolute; inset: 0; display: grid; place-items: center; font-size: 28px; font-weight: 900; }
.bars { flex: 1; display: grid; gap: 10px; }
.bars p { display: grid; grid-template-columns: 56px 1fr; align-items: center; gap: 10px; margin: 0; color: var(--mute); font-size: 13px; font-weight: 700; }
.bars i { position: relative; display: block; height: 9px; overflow: hidden; border-radius: 999px; background: var(--line); }
.bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 999px; background: var(--grad); transition: width 1.2s .3s cubic-bezier(.2, .8, .2, 1); }
.step.in .bars i::after { width: var(--w); }

/* 코치 */
.coach { position: relative; overflow: hidden; background: var(--dark); color: #fff; }
.coach::before { content: ""; position: absolute; right: -200px; top: -200px; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(240, 78, 55, .35), transparent 65%); }
.coach-in { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.coach .kicker { color: #ff8a66; }
.coach .hl { background: linear-gradient(transparent 60%, rgba(255, 122, 89, .45) 60%); }
.coach-demo { position: relative; display: flex; align-items: flex-end; gap: 18px; }
.mascot-big { flex-shrink: 0; width: 120px; height: 120px; filter: drop-shadow(0 18px 30px rgba(240, 78, 55, .45)); }
.mascot { width: 100%; height: 100%; overflow: visible; }
.mascot .mm-bob { animation: mmBob 3.6s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 100%; }
.mascot .mm-eyes { animation: mmBlink 4.6s infinite; transform-box: fill-box; transform-origin: center; }
@keyframes mmBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-2.5px); } }
@keyframes mmBlink { 0%, 91%, 100% { transform: scaleY(1); } 94% { transform: scaleY(.12); } }
.chat { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.bub { max-width: 92%; padding: 13px 16px; border-radius: 18px 18px 18px 6px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12); font-size: 15px; line-height: 1.55; opacity: 0; transform: translateY(14px) scale(.98); transition: opacity .5s, transform .5s; }
.bub b { display: block; margin-bottom: 2px; color: #ff8a66; font-size: 12.5px; }
.bub.me { align-self: flex-end; border: 0; border-radius: 18px 18px 6px 18px; background: var(--grad); font-weight: 600; }
.bub.win { background: linear-gradient(135deg, rgba(63, 206, 111, .2), rgba(255, 201, 77, .18)); border-color: rgba(63, 206, 111, .35); }
.coach-demo.in .bub { opacity: 1; transform: none; }
.coach-demo.in .b2 { transition-delay: .7s; }
.coach-demo.in .b3 { transition-delay: 1.4s; }
.coach-demo.in .b4 { transition-delay: 2.1s; }
.checks { display: grid; gap: 16px; margin: 30px 0 0; padding: 0; list-style: none; }
.checks li { display: grid; grid-template-columns: 28px 1fr; column-gap: 12px; }
.checks li::before { content: "✓"; grid-row: span 2; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(63, 206, 111, .16); color: #3fce6f; font-weight: 900; }
.checks b { font-size: 17px; }
.checks span { color: rgba(255, 255, 255, .7); font-size: 15px; }

/* 성장 */
.growth-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; margin-top: 48px; }
.g-card { padding: 24px; border-radius: 22px; background: var(--bg-2); border: 1px solid var(--line); }
.g-card h3 { margin-bottom: 14px; font-size: 17px; font-weight: 800; }
.g-card > p { margin-top: 12px; color: var(--mute); font-size: 14px; }
.lvl { position: relative; overflow: hidden; grid-row: span 2; border: 0; background: var(--grad); color: #fff; }
.lvl::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; background: rgba(255, 255, 255, .14); }
.lv-row { position: relative; z-index: 1; display: flex; align-items: center; gap: 14px; }
.lv { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 19px; background: rgba(255, 255, 255, .22); text-align: center; font-weight: 800; font-size: 12px; line-height: 1; }
.lv b { display: block; font-size: 26px; }
.lv-row > div > b { display: block; font-size: 22px; font-weight: 900; }
.lv-row small { font-size: 13.5px; opacity: .92; }
.xp { position: relative; z-index: 1; height: 12px; margin-top: 18px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, .28); }
.xp i { display: block; width: 0; height: 100%; border-radius: 999px; background: #fff; transition: width 1.4s .3s cubic-bezier(.2, .8, .2, 1); }
.lvl.in .xp i { width: 69%; }
.ladder { position: relative; z-index: 1; display: grid; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.ladder li { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 14.5px; opacity: .68; }
.ladder li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .5); }
.ladder li.on { opacity: 1; font-size: 16px; }
.ladder li.on::before { background: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, .3); }
.ladder li.on::after { content: "지금 여기"; margin-left: 4px; padding: 2px 8px; border-radius: 999px; background: #fff; color: var(--coral); font-size: 11px; }
.heatmap { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.heatmap i { aspect-ratio: 1; border-radius: 5px; background: var(--line); }
.heatmap .h1 { background: rgba(240, 78, 55, .3); }
.heatmap .h2 { background: rgba(240, 78, 55, .62); }
.heatmap .h3 { background: var(--coral); }
.goal { position: relative; width: 120px; height: 120px; margin: 0 auto; }
.goal svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.goal circle { fill: none; stroke-width: 12; stroke-linecap: round; }
.goal .t { stroke: var(--line); }
.goal .b { stroke: var(--coral); stroke-dasharray: 301.6; stroke-dashoffset: 301.6; transition: stroke-dashoffset 1.4s .3s cubic-bezier(.2, .8, .2, 1); }
.goal-card.in .goal .b { stroke-dashoffset: 100.5; }
.goal b { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 2px; font-size: 34px; font-weight: 900; }
.goal small { color: var(--mute); font-size: 16px; }
.goal-card > p { text-align: center; }
.badge-card { grid-column: span 2; }
.bd { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.bd span { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 6px; border-radius: 16px; background: var(--bg); border: 1px solid var(--line); font-size: 28px; }
.bd small { color: var(--ink-2); font-size: 12px; font-weight: 700; }
.bd .lock { filter: grayscale(1); opacity: .45; }
.caption { margin-top: 14px; color: var(--mute); font-size: 13px; text-align: right; }

/* 기능 */
.features { background: var(--bg-2); }
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px; }
.feat { padding: 24px; border-radius: 20px; background: var(--bg); border: 1px solid var(--line); transition: transform .25s, box-shadow .25s, border-color .25s, opacity .8s cubic-bezier(.2, .8, .2, 1); }
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(240, 78, 55, .35); }
.feat .ic { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, rgba(240, 78, 55, .12), rgba(255, 162, 79, .16)); font-size: 24px; }
.feat h3 { margin-top: 14px; font-size: 17px; font-weight: 800; }
.feat p { margin-top: 6px; color: var(--mute); font-size: 14.5px; }

/* FAQ */
.faq-list { display: grid; gap: 12px; margin-top: 36px; }
.faq details { padding: 0 22px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); transition: background .2s, box-shadow .2s; }
.faq details[open] { background: var(--bg); box-shadow: var(--shadow); }
.faq summary { position: relative; padding: 20px 34px 20px 0; list-style: none; cursor: pointer; font-weight: 800; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--coral); font-size: 26px; font-weight: 500; transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 20px; color: var(--ink-2); font-size: 15.5px; }

/* CTA · 푸터 */
.cta-band { position: relative; overflow: hidden; padding: 96px 0; background: var(--grad); color: #fff; text-align: center; }
.cta-band::before, .cta-band::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .12); }
.cta-band::before { left: -120px; top: -160px; width: 420px; height: 420px; }
.cta-band::after { right: -80px; bottom: -160px; width: 320px; height: 320px; }
.cta-in { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.cta-in img { width: 72px; height: 72px; border-radius: 20px; box-shadow: 0 14px 30px rgba(0, 0, 0, .2); animation: bob 5s ease-in-out infinite; }
.cta-in h2 { margin-top: 22px; font-size: clamp(28px, 4vw, 46px); font-weight: 900; line-height: 1.25; }
.cta-in h2 span { display: inline-block; }
.cta-in p { margin: 12px 0 28px; font-size: 17px; opacity: .92; }
.footer { padding: 44px 0 calc(44px + env(safe-area-inset-bottom)); background: var(--dark); color: rgba(255, 255, 255, .7); }
.foot-in { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
.foot-brand p { margin-top: 10px; font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 20px; font-size: 14.5px; font-weight: 600; }
.foot-links a:hover { color: #fff; }
.copy { grid-column: 1 / -1; margin-top: 10px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px; }

/* 스크롤 등장 (JS 가 있을 때만 숨긴다) */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2, .8, .2, 1), transform .8s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* 반응형 */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .hero { padding-top: 108px; }
  .hero-in { grid-template-columns: 1fr; gap: 52px; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; text-align: center; }
  .lead { margin-inline: auto; }
  .hero-cta, .trust { justify-content: center; }
  .device { transform: none; }
  .hero-visual:hover .device { transform: none; }
  .f1 { left: -6px; } .f2 { right: -6px; } .f3 { left: -6px; }
  .coach-in { grid-template-columns: 1fr; gap: 48px; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .growth-grid { grid-template-columns: 1fr 1fr; }
  .lvl, .badge-card { grid-row: auto; grid-column: span 2; }
}
@media (max-width: 720px) {
  .wrap { padding-inline: 18px; }
  .br-sm { display: inline; }
  .hide-sm { display: none; }
  .nav-in { height: 60px; gap: 12px; }
  .logo { font-size: 17px; }
  .logo img { width: 30px; height: 30px; }
  .hero { padding-top: 92px; }
  .hero h1 { font-size: clamp(33px, 9.4vw, 44px); }
  .btn-lg { padding: 14px 20px; font-size: 16px; }
  .hero-cta { width: 100%; }
  .hero-cta .btn { flex: 1 1 100%; }
  .float { padding: 7px 10px; font-size: 12px; }
  .f2 img { width: 26px; height: 26px; }
  .f2 span { font-size: 12px; }
  .f3 { display: none; }
  .f4 svg { width: 26px; height: 26px; }
  .section { padding: 76px 0; }
  .pain-grid, .steps, .feat-grid, .growth-grid { grid-template-columns: 1fr; }
  .lvl, .badge-card { grid-column: auto; }
  .bd { grid-template-columns: repeat(3, 1fr); }
  .step { padding: 22px; }
  .coach-demo { flex-direction: column; align-items: flex-start; }
  .mascot-big { width: 84px; height: 84px; }
  .foot-in { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* 밝은 영상 위 글래스 칩 대비 보강 */
.f3, .f4 { background: rgba(20, 12, 11, .74); border-color: rgba(255, 255, 255, .16); }