/* ==========================================================================
   EasyPerp 랜딩
   레이아웃: 얼음빛 바탕 위 크롬 3D 오브젝트 + 거대한 와이드 영문 타이포, 섹션마다 3D 한 장면
   색: 잉크 네이비 · 크롬 블루 · 민트(로고) · 얼음 회청색 바탕
   글꼴: Geist(영문·숫자) + Noto Sans KR(한글) — 한 문장 안에서 영문은 Geist, 한글은 Noto 로 자동 분리
   상승 = 빨강, 하락 = 파랑 (영어는 초록/빨강) — 앱과 같은 규칙
   ========================================================================== */
:root {
  --paper: #eef3fa;
  --paper-2: #e4ecf7;
  --card: #ffffff;
  --ink: #071330;
  --ink-2: #44506b;
  --ink-3: #8691a8;
  --line: rgba(7, 19, 48, 0.09);
  --navy: #0b3486;
  --blue: #1f6bff;
  --mint: #22d3a6;
  --deep: #050f29;
  --em-a: #0b3486;
  --em-b: #1f6bff;
  --art: linear-gradient(160deg, #f7faff 0%, #e2ebf8 100%);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-line: rgba(255, 255, 255, 0.9);
  --shadow: 0 30px 80px rgba(11, 52, 134, 0.12);
  --up: #dd3c44;
  --down: #1375ec;
  --display: 'Geist', 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --kr: 'Geist', 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --paper: #050c1e; --paper-2: #08122a; --card: #0c1730; --ink: #eef2fa; --ink-2: #a8b3cb; --ink-3: #6b7792;
    --line: rgba(255, 255, 255, 0.08); --em-a: #7fb2ff; --em-b: #22d3a6;
    --art: linear-gradient(160deg, #0f1d3c 0%, #071027 100%); --glass: rgba(12, 23, 48, 0.62); --glass-line: rgba(255, 255, 255, 0.1);
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.45); --up: #f0555d; --down: #3b8cff; color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --paper: #050c1e; --paper-2: #08122a; --card: #0c1730; --ink: #eef2fa; --ink-2: #a8b3cb; --ink-3: #6b7792;
  --line: rgba(255, 255, 255, 0.08); --em-a: #7fb2ff; --em-b: #22d3a6;
  --art: linear-gradient(160deg, #0f1d3c 0%, #071027 100%); --glass: rgba(12, 23, 48, 0.62); --glass-line: rgba(255, 255, 255, 0.1);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45); --up: #f0555d; --down: #3b8cff; color-scheme: dark;
}
:root[lang='en'] { --up: #0e9f6e; --down: #dd3c44; }
:root[lang='en'][data-theme='dark'] { --up: #19c27f; --down: #f0555d; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.65 var(--kr); -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 8px; }
.wrap { max-width: 1280px; margin: 0 auto; padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); }
.scene { display: block; width: 100%; height: 100%; }

/* ── 버튼 ── */
.btn { display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 28px 0 30px; border-radius: 999px; font: 700 15px/1 var(--kr); letter-spacing: -0.01em; white-space: nowrap; transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s, background 0.25s; }
.btn i { font-style: normal; font-family: var(--display); font-weight: 400; transition: transform 0.25s; }
.btn:hover i { transform: translateX(3px); }
.btn-ink { background: var(--ink); color: var(--paper); box-shadow: 0 14px 34px rgba(7, 19, 48, 0.22); }
.btn-ink:hover { transform: translateY(-2px); }
.btn-ghost { color: var(--ink); background: var(--glass); border: 1px solid var(--glass-line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.btn-mint { background: var(--mint); color: #032a20; box-shadow: 0 14px 40px rgba(34, 211, 166, 0.35); }
.btn-mint:hover { transform: translateY(-2px); }

/* ── 상단 메뉴 ── */
.nav {
  position: fixed; z-index: 100; top: calc(14px + env(safe-area-inset-top, 0px)); left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 28px)); height: 62px; padding: 0 8px 0 18px; display: flex; align-items: center; gap: 30px; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--glass-line); backdrop-filter: blur(22px) saturate(1.6); -webkit-backdrop-filter: blur(22px) saturate(1.6);
  box-shadow: 0 10px 40px rgba(11, 52, 134, 0.08);
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.mark { width: 30px; height: 30px; }
.word { font: 300 19px/1 var(--display); letter-spacing: -0.04em; }
.word b { font-weight: 700; }
.links { display: flex; gap: 2px; font: 500 14.5px/1 var(--kr); }
.links a { padding: 10px 14px; border-radius: 999px; color: var(--ink-2); transition: color 0.2s, background 0.2s; }
.links a:hover { color: var(--ink); background: var(--line); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nbtn { height: 40px; min-width: 40px; padding: 0 10px; border-radius: 999px; display: inline-grid; place-items: center; font: 500 12px/1 var(--display); color: var(--ink-2); }
.nbtn:hover { color: var(--ink); background: var(--line); }
:root[data-theme='dark'] .i-moon, :root:not([data-theme='dark']) .i-sun { display: none; }
.launch { height: 46px; padding: 0 20px; border-radius: 999px; display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--paper); font: 700 14px/1 var(--kr); transition: transform 0.2s; }
.launch i { font-style: normal; color: var(--mint); font-family: var(--display); }
.launch:hover { transform: translateY(-1px); }

/* ── 히어로 ── */
.hero { position: relative; overflow: hidden; isolation: isolate; background: radial-gradient(70% 60% at 75% 40%, #ffffff 0%, rgba(255, 255, 255, 0) 70%), linear-gradient(180deg, #f3f7fd 0%, var(--paper) 100%); }
:root[data-theme='dark'] .hero { background: radial-gradient(70% 60% at 75% 40%, #12275a 0%, rgba(18, 39, 90, 0) 70%), linear-gradient(180deg, #071233 0%, var(--paper) 100%); }
.hero > .scene { position: absolute; inset: 0; z-index: -1; }
.hero-in { padding-top: 168px; padding-bottom: 150px; pointer-events: none; }
.hero-in a { pointer-events: auto; }
.mega { margin: 0; display: flex; flex-direction: column; font-family: var(--display); line-height: 0.9; letter-spacing: -0.055em; }
.mega span { display: block; }
.m1, .m2 { font-weight: 300; font-size: clamp(64px, 10.8vw, 168px); }
.m3 { font-weight: 800; font-size: clamp(64px, 10.8vw, 168px); background: linear-gradient(100deg, var(--navy) 0%, var(--blue) 48%, var(--mint) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: 0.06em; }
:root[data-theme='dark'] .m3 { background-image: linear-gradient(100deg, #9cc3ff 0%, #5d9bff 45%, #22d3a6 100%); }
.mega .m3 .dot { display: inline; color: var(--mint); -webkit-text-fill-color: var(--mint); }
.hero-kr { margin: 34px 0 0; font: 800 clamp(22px, 2.3vw, 30px)/1.3 var(--kr); letter-spacing: -0.03em; }
.hero-lead { margin: 12px 0 0; max-width: 470px; font-size: 17px; color: var(--ink-2); }
.hero-cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; }

/* 하단 시세 흐름 */
.tape { position: absolute; left: 0; right: 0; bottom: 0; height: 74px; display: flex; align-items: center; border-top: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.tape-track { flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.tape-row { display: flex; width: max-content; animation: marquee 70s linear infinite; }
.tape-row:hover { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.tk { display: inline-flex; align-items: center; gap: 10px; padding: 0 30px; white-space: nowrap; }
.tk img { width: 28px; height: 28px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 1px var(--line); object-fit: cover; }
.tk b { font: 500 14px/1 var(--display); letter-spacing: -0.02em; }
.tk .px { font: 400 14px/1 var(--display); color: var(--ink-2); letter-spacing: -0.02em; }
.tk .ch { font: 500 12.5px/1 var(--display); }
.ch.up { color: var(--up); }
.ch.dn { color: var(--down); }

/* ── 섹션 공통 ── */
.sec { padding-block: 150px; }
.sec-tight { padding-block: 30px 130px; }
.sec-alt { background: var(--paper-2); }
.h2 { margin: 0; font: 800 clamp(38px, 5.4vw, 74px)/1.15 var(--kr); letter-spacing: -0.045em; text-wrap: balance; }
.h2 span, .h2 em { display: block; }
.h2 em { font-style: normal; background: linear-gradient(95deg, var(--em-a), var(--em-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2.center { text-align: center; }
.h2.light { color: #fff; }
.h2.light em { background-image: linear-gradient(95deg, #a9cbff, #22d3a6); }
.lead { margin: 24px 0 0; max-width: 470px; font-size: 18px; color: var(--ink-2); }
.fine { margin: 18px 0 0; font-size: 13px; color: var(--ink-3); }

/* ── 3D 카드 ── */
.cards { margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards > * { min-width: 0; }
.card { border-radius: 32px; background: var(--card); box-shadow: 0 1px 0 var(--line); overflow: hidden; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.art { height: 340px; background: radial-gradient(90% 80% at 50% 42%, var(--art), var(--card)); }
.card-txt { padding: 28px 30px 32px; }
.card h3 { margin: 0; font: 800 22px/1.35 var(--kr); letter-spacing: -0.03em; }
.card p { margin: 8px 0 0; color: var(--ink-2); font-size: 15.5px; }

/* ── 분할 ── */
.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 80px; align-items: center; }
.split > * { min-width: 0; }

/* 자산군 칩 (로고 겹침) */
.classes { list-style: none; margin: 36px 0 40px; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.classes li { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 8px; border-radius: 999px; background: var(--card); box-shadow: 0 1px 0 var(--line); font: 700 14px/1 var(--kr); }
.stack { display: inline-flex; }
.stack img { width: 26px; height: 26px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 2px var(--card); object-fit: cover; }
.stack img + img { margin-left: -8px; }

/* 시세판 */
.board { background: var(--card); border-radius: 32px; padding: 18px; box-shadow: var(--shadow); }
.board-head { display: flex; align-items: center; gap: 12px; padding: 4px 4px 14px; }
.board-tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.board-tabs::-webkit-scrollbar { display: none; }
.board-tabs button { padding: 9px 15px; border-radius: 999px; font: 700 14px/1 var(--kr); color: var(--ink-3); white-space: nowrap; transition: color 0.2s, background 0.2s; }
.board-tabs button:hover { color: var(--ink); }
.board-tabs button.on { background: var(--ink); color: var(--paper); }
.board-live { margin-left: auto; flex: none; display: inline-flex; align-items: center; gap: 6px; font: 500 10.5px/1 var(--display); letter-spacing: 0.08em; color: #0f9d76; }
.board-live i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.board-live.static { color: #c98a00; }
.board-live.static i { animation: none; }
.board-cols, .brow { display: grid; grid-template-columns: minmax(0, 1fr) auto 88px; gap: 16px; align-items: center; }
.board-cols { padding: 10px 14px; font-size: 12px; color: var(--ink-3); border-bottom: 1px solid var(--line); }
.board-cols span:not(:first-child) { text-align: right; }
.board-rows { height: 470px; overflow-y: auto; scrollbar-width: thin; }
.brow { padding: 12px 14px; border-radius: 16px; transition: background 0.2s; }
.brow:hover { background: var(--paper); }
.brow .sym { display: flex; align-items: center; gap: 13px; min-width: 0; }
.brow .logo { width: 38px; height: 38px; border-radius: 50%; flex: none; background: #fff; box-shadow: 0 0 0 1px var(--line); object-fit: cover; }
.brow .nm { display: flex; flex-direction: column; min-width: 0; }
.brow .nm b { font: 800 15px/1.3 var(--kr); letter-spacing: -0.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brow .nm small { font: 400 11.5px/1.4 var(--display); color: var(--ink-3); letter-spacing: -0.01em; }
.brow .px { text-align: right; font: 500 15px/1 var(--display); letter-spacing: -0.03em; padding: 6px 6px; border-radius: 8px; transition: background 0.7s; font-variant-numeric: tabular-nums; }
.brow .px.flash-up { background: color-mix(in srgb, var(--up) 16%, transparent); transition: none; }
.brow .px.flash-dn { background: color-mix(in srgb, var(--down) 16%, transparent); transition: none; }
.brow .chg { justify-self: end; min-width: 84px; text-align: center; font: 500 13px/1 var(--display); letter-spacing: -0.02em; padding: 9px 8px; border-radius: 12px; color: #fff; }
.brow .chg.up { background: var(--up); }
.brow .chg.dn { background: var(--down); }
.board-empty { padding: 60px 0; text-align: center; color: var(--ink-3); }

/* ── 초보자 / 프로 ── */
.switch { position: relative; margin-top: 44px; display: inline-grid; grid-template-columns: 1fr 1fr; padding: 6px; border-radius: 999px; background: var(--card); box-shadow: 0 1px 0 var(--line); }
.switch button { position: relative; z-index: 1; padding: 13px 26px; border-radius: 999px; font: 800 15px/1 var(--kr); color: var(--ink-3); transition: color 0.3s; }
.switch button.on { color: var(--paper); }
.knob { position: absolute; top: 6px; bottom: 6px; left: 6px; width: calc(50% - 6px); border-radius: 999px; background: var(--ink); transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.switch.pro .knob { transform: translateX(100%); }
.points { list-style: none; margin: 36px 0 0; padding: 0; display: grid; }
.points li { display: grid; gap: 4px; padding: 22px 0; border-top: 1px solid var(--line); animation: rise 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.points li:nth-child(2) { animation-delay: 0.06s; }
.points li:nth-child(3) { animation-delay: 0.12s; }
.points b { font: 800 20px/1.35 var(--kr); letter-spacing: -0.03em; }
.points span { color: var(--ink-2); }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }
.device { position: relative; display: grid; place-items: center; min-height: 660px; }
.device-glow { position: absolute; width: 560px; height: 560px; max-width: 100%; border-radius: 50%; background: radial-gradient(circle, rgba(31, 107, 255, 0.28), rgba(34, 211, 166, 0.14) 45%, transparent 70%); filter: blur(10px); }
.phone { position: relative; margin: 0; width: 300px; padding: 11px; border-radius: 48px; background: linear-gradient(145deg, #dfe6f2 0%, #8e9ab3 18%, #f4f7fb 36%, #6d7894 62%, #e8edf5 100%); box-shadow: 0 60px 120px rgba(7, 19, 48, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.6); transform: rotate(-5deg); transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
.phone::before { content: ''; position: absolute; inset: 5px; border-radius: 43px; background: #050a16; }
.phone img { position: relative; border-radius: 38px; animation: fadein 0.5s ease; }
.phone:hover { transform: rotate(0deg) translateY(-6px); }
@keyframes fadein { from { opacity: 0; } }

/* ── 숫자 ── */
.nums { margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.nums > div { min-width: 0; padding: 40px 30px 34px; border-radius: 32px; background: var(--card); box-shadow: 0 1px 0 var(--line); display: flex; flex-direction: column; gap: 16px; }
.nums b { font: 300 clamp(60px, 6.4vw, 92px)/0.9 var(--display); letter-spacing: -0.05em; background: linear-gradient(160deg, var(--em-a), var(--em-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nums small { font-size: 0.28em; letter-spacing: -0.02em; margin-left: 8px; font-weight: 500; }
.nums span { color: var(--ink-2); font-size: 15px; }
.chains { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.chains span { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); font: 400 13px/1 var(--display); letter-spacing: -0.02em; color: var(--ink-2); }

/* ── 리워드 ── */
.rewards { position: relative; overflow: hidden; isolation: isolate; background: #050f29; color: #fff; padding-block: 170px; }
.rw { margin: 56px 0 48px; max-width: 560px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px 40px; }
.rw div { display: flex; flex-direction: column; gap: 6px; }
.rw b { font: 800 20px/1.3 var(--kr); letter-spacing: -0.03em; }
.rw b::before { content: ''; display: block; width: 22px; height: 3px; border-radius: 2px; background: var(--mint); margin-bottom: 14px; }
.rw span { color: rgba(255, 255, 255, 0.68); font-size: 15px; }

/* ── 수수료 ── */
.drop { margin-top: 40px; display: flex; align-items: baseline; gap: 18px; font: 300 clamp(36px, 4.2vw, 58px)/1 var(--display); letter-spacing: -0.06em; }
.drop s { color: var(--ink-3); text-decoration-thickness: 2px; }
.drop span { color: var(--mint); font-size: 0.7em; }
.drop b { font-weight: 700; background: linear-gradient(95deg, var(--em-a), var(--em-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.vip { background: var(--card); border-radius: 32px; padding: 16px 30px 24px; box-shadow: var(--shadow); }
.vip-row { position: relative; display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 17px 0; border-top: 1px solid var(--line); font: 400 15px/1.2 var(--display); letter-spacing: -0.03em; }
.vip-h { font: 500 12.5px/1 var(--kr); color: var(--ink-3); letter-spacing: 0; border-top: 0; }
.vip-row span:nth-child(n + 2) { text-align: right; }
.vip-row span:first-child, .vip-row span:last-child { font-weight: 500; }
.vip-row i { position: absolute; left: 0; bottom: -1px; height: 2px; width: var(--w); border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--mint)); opacity: 0.6; }
.vip-row.top span:last-child { color: #0f9d76; }

/* ── EasyPay ── */
.pay { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 64px 72px; border-radius: 40px; overflow: hidden; color: #fff; background: radial-gradient(80% 140% at 85% 50%, #1f5be6 0%, #0b3486 45%, #050f29 100%); transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.pay:hover { transform: translateY(-4px); }
.soon { display: inline-block; font: 500 10.5px/1 var(--display); letter-spacing: 0.14em; padding: 8px 12px; border-radius: 999px; color: #7cf0d2; border: 1px solid rgba(34, 211, 166, 0.45); }
.pay h3 { margin: 22px 0 10px; font: 300 clamp(44px, 5.4vw, 76px)/1 var(--display); letter-spacing: -0.05em; }
.pay p { margin: 0; max-width: 420px; color: rgba(255, 255, 255, 0.75); font-size: 17px; }
.paycard { flex: none; position: relative; width: 360px; height: 226px; border-radius: 24px; padding: 26px 28px; overflow: hidden; background: linear-gradient(125deg, #eef3fb 0%, #9aa8c4 22%, #f8fafd 40%, #7a87a6 63%, #dfe6f1 100%); box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.8); transform: rotate(-9deg) translateY(6px); color: #071330; }
.paycard::after { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.55) 45%, transparent 60%); transform: translateX(-60%); animation: glint 5s ease-in-out infinite; }
@keyframes glint { 55%, 100% { transform: translateX(80%); } }
.pc-mark { width: 34px; height: 34px; }
.pc-mark rect:first-child { fill: #0b3486; }
.pc-chip { position: absolute; left: 28px; top: 92px; width: 48px; height: 36px; border-radius: 8px; background: linear-gradient(135deg, #f5e3a4, #c39d42); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12); }
.pc-num { position: absolute; left: 28px; bottom: 26px; font: 400 15px/1 var(--display); letter-spacing: 0.08em; }
.pc-name { position: absolute; right: 26px; top: 28px; font: 300 20px/1 var(--display); letter-spacing: -0.05em; }
.pc-name b { font-weight: 700; }

/* ── FAQ ── */
.faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.faq > * { min-width: 0; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; padding: 28px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; font: 800 19px/1.4 var(--kr); letter-spacing: -0.03em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--card); font: 300 20px/1 var(--display); color: var(--ink-2); transition: transform 0.3s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { margin: 0; padding: 0 56px 28px 0; color: var(--ink-2); }

/* ── 마지막 ── */
.final { position: relative; overflow: hidden; isolation: isolate; background: #050f29; color: #fff; padding-block: 150px; text-align: center; }
.final > .scene { position: absolute; inset: 0; z-index: -1; }
.final-in { pointer-events: none; display: flex; flex-direction: column; align-items: center; }
.final-in a { pointer-events: auto; }
.final-kr { margin: 0 0 22px; font: 800 18px/1.4 var(--kr); color: rgba(255, 255, 255, 0.75); }
.mega.sm { align-items: center; }
.mega.sm .m2 { color: #fff; font-size: clamp(44px, 8vw, 120px); }
.mega.sm .m3 { font-size: clamp(44px, 8vw, 120px); background-image: linear-gradient(100deg, #a9cbff 0%, #5d9bff 45%, #22d3a6 100%); }
.final .btn { margin-top: 48px; }

/* ── 푸터 ── */
.foot { background: var(--paper); padding-block: 64px 36px; border-top: 1px solid var(--line); }
.foot-in { display: flex; justify-content: space-between; gap: 40px; }
.foot-brand p { max-width: 520px; margin: 18px 0 0; font-size: 13px; color: var(--ink-3); }
.foot-links { display: flex; gap: 26px; font-size: 15px; color: var(--ink-2); }
.foot-links a:hover { color: var(--ink); }
.foot-copy { margin-top: 40px; font: 400 12px/1 var(--display); color: var(--ink-3); }
.foot-copy { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 28px; border-top: 1px solid var(--line); }
.social { display: flex; gap: 10px; }
.social a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: var(--ink-2); background: var(--card); box-shadow: inset 0 0 0 1px var(--line); transition: color 0.2s, background 0.2s, transform 0.2s; }
.social a:hover { color: var(--paper); background: var(--ink); transform: translateY(-2px); }
.social svg { width: 17px; height: 17px; fill: currentColor; }

/* ── 안내 토스트 ── */
.toast { position: fixed; z-index: 200; left: 50%; bottom: calc(28px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 20px); opacity: 0; pointer-events: none; max-width: calc(100% - 32px); padding: 15px 24px; border-radius: 999px; background: var(--ink); color: var(--paper); font: 700 14.5px/1.3 var(--kr); text-align: center; box-shadow: 0 16px 40px rgba(7, 19, 48, 0.3); transition: opacity 0.25s, transform 0.25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; }
  .tape-track { overflow-x: auto; }
}

/* ── 반응형 ── */
@media (max-width: 1080px) {
  .links { display: none; }
  .cards { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .split, .faq { grid-template-columns: 1fr; gap: 56px; }
  .nums { grid-template-columns: 1fr 1fr; }
  .pay { flex-direction: column; align-items: flex-start; }
  .paycard { align-self: center; }
}
@media (max-width: 680px) {
  .wrap { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
  .nav { top: calc(10px + env(safe-area-inset-top, 0px)); height: 56px; padding: 0 6px 0 14px; gap: 8px; width: calc(100% - 20px); }
  .word { font-size: 17px; }
  .mark { width: 26px; height: 26px; }
  .launch { height: 42px; padding: 0 15px; font-size: 13px; }
  .launch i { display: none; }
  .nbtn { min-width: 34px; padding: 0 6px; }
  .hero-in { padding-top: 120px; padding-bottom: 330px; }
  .hero-lead { font-size: 16px; }
  .hero-cta .btn { flex: 1 1 100%; justify-content: center; }
  .tape { height: 64px; }
  .tk { padding: 0 20px; }
  .sec { padding-block: 100px; }
  .sec-tight { padding-block: 10px 90px; }
  .cards { margin-top: 48px; }
  .art { height: 280px; }
  .board { padding: 10px; border-radius: 26px; }
  .board-cols, .brow { grid-template-columns: minmax(0, 1fr) auto 74px; gap: 10px; }
  .brow { padding: 10px 6px; }
  .brow .logo { width: 34px; height: 34px; }
  .brow .chg { min-width: 70px; font-size: 12px; }
  .board-rows { height: 430px; }
  .device { min-height: 540px; }
  .phone { width: 250px; border-radius: 42px; }
  .phone::before { border-radius: 37px; }
  .phone img { border-radius: 32px; }
  .nums { margin-top: 48px; gap: 10px; }
  .nums > div { padding: 26px 20px; border-radius: 24px; }
  .nums b { font-size: 54px; }
  .rewards { padding-block: 110px; }
  .rw { grid-template-columns: 1fr; gap: 26px; }
  .pay { padding: 40px 26px; border-radius: 30px; }
  .paycard { width: 270px; height: 170px; padding: 20px; }
  .pc-chip { top: 70px; left: 20px; width: 40px; height: 30px; }
  .pc-num { left: 20px; bottom: 20px; font-size: 12px; }
  .faq-list summary { font-size: 17px; }
  .final { padding-block: 110px; }
  .foot-in { flex-direction: column; }
  .foot-links { flex-wrap: wrap; }
}
@media (max-width: 380px) {
  #langBtn { display: none; }
}

/* 모바일 가로 넘침 방지 */
html, body { overflow-x: clip; }
.board-head > * { min-width: 0; }
.board-tabs { flex: 1 1 auto; min-width: 0; }
@media (max-width: 680px) {
  .nav { width: calc(100vw - 20px); max-width: calc(100% - 20px); }
  .drop { flex-wrap: wrap; gap: 10px 14px; font-size: 34px; }
  .board-tabs button { padding: 9px 12px; font-size: 13.5px; }
  .final-kr { font-size: 15px; padding-inline: 8px; text-shadow: 0 2px 16px rgba(5, 15, 41, 0.9); }
  .final-in { position: relative; z-index: 1; }
}

/* ── 리워드: 앱 화면을 유리 카드로 재구성 ── */
.rewards-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42% 60% at 78% 45%, rgba(34, 211, 166, 0.20), transparent 70%),
    radial-gradient(38% 50% at 62% 70%, rgba(31, 107, 255, 0.28), transparent 70%),
    radial-gradient(60% 80% at 10% 0%, rgba(31, 107, 255, 0.12), transparent 70%); }
.rewards-bg::after { content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(60% 70% at 70% 50%, #000 0%, transparent 75%); mask-image: radial-gradient(60% 70% at 70% 50%, #000 0%, transparent 75%); }
.rewards-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 64px; align-items: center; }
.rewards-copy { min-width: 0; }
.rv { position: relative; height: 640px; perspective: 1600px; }
.rc { position: absolute; color: #fff; border-radius: 28px; padding: 24px 26px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.035) 60%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 40px 80px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(5, 15, 41, 0.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4); backdrop-filter: blur(22px) saturate(1.4);
  animation: rc-float 7s ease-in-out infinite; }
.rc header { display: flex; align-items: center; justify-content: space-between; gap: 10px; font: 600 13.5px/1 var(--kr); color: rgba(255, 255, 255, 0.66); letter-spacing: -0.01em; }
.rc header em { font-style: normal; font: 600 12.5px/1 var(--display); color: rgba(255, 255, 255, 0.8); }
.rc-main { left: 6%; top: 25%; width: 62%; z-index: 2; padding: 28px 30px 26px; animation-delay: -1s;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05) 55%), linear-gradient(160deg, #10306f, #071a45); }
.tier { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px 7px 8px; border-radius: 999px; background: rgba(242, 193, 78, 0.14); border: 1px solid rgba(242, 193, 78, 0.35); color: #ffd979 !important; }
.tier i { width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff3c4, #e6a91f 60%, #8a5a00); box-shadow: 0 0 10px rgba(242, 193, 78, 0.6); }
.rc-num { margin: 26px 0 4px; display: flex; align-items: baseline; gap: 8px; }
.rc-num b { font: 600 clamp(44px, 4.6vw, 64px)/1 var(--display); letter-spacing: -0.045em; font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #ffffff, #b9d4ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rc-num small { font: 600 22px/1 var(--display); color: var(--mint); }
.rc-sub { margin: 0; font-size: 13.5px; color: rgba(255, 255, 255, 0.55); }
.rc-prog { margin-top: 24px; }
.rc-bar { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.09); overflow: hidden; }
.rc-bar i { display: block; height: 100%; width: var(--p); border-radius: inherit; background: linear-gradient(90deg, #1f6bff, #22d3a6); box-shadow: 0 0 16px rgba(34, 211, 166, 0.6); transform-origin: left; animation: rc-fill 1.6s cubic-bezier(.2,.8,.2,1) both; }
.rc-legend { margin-top: 10px; display: flex; justify-content: space-between; font: 500 12.5px/1 var(--kr); color: rgba(255, 255, 255, 0.55); }
.rc-legend span:last-child { font-family: var(--display); color: rgba(255, 255, 255, 0.85); }
.tiers { list-style: none; margin: 22px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.tiers li { height: 30px; border-radius: 10px; display: grid; place-items: center; font: 600 12px/1 var(--display); color: rgba(255, 255, 255, 0.4); background: rgba(255, 255, 255, 0.05); }
.tiers li.on { color: #1b1300; background: linear-gradient(160deg, #ffe08a, #e2a21c); box-shadow: 0 6px 18px -4px rgba(242, 193, 78, 0.6); }
.rc-streak { right: 0; top: 2%; width: 42%; z-index: 3; animation-delay: -3s; }
.chip { padding: 6px 10px; border-radius: 999px; background: rgba(34, 211, 166, 0.16); color: #7cf0d2 !important; }
.rc-mid { margin: 16px 0 0; display: flex; align-items: baseline; gap: 6px; }
.rc-mid b { font: 600 40px/1 var(--display); letter-spacing: -0.04em; }
.rc-mid span { font: 600 15px/1 var(--kr); color: rgba(255, 255, 255, 0.7); }
.days { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.days li { aspect-ratio: 1; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.days li.on { background: linear-gradient(160deg, #5ff0c9, #13a37f); box-shadow: 0 0 12px rgba(34, 211, 166, 0.45); }
.days li.now { outline: 2px solid rgba(124, 240, 210, 0.6); outline-offset: 2px; }
.rc-badges { left: 0; bottom: 2%; width: 52%; z-index: 3; animation-delay: -5s; }
.hexes { list-style: none; margin: 18px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.hexes li { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 0; }
.hex { width: 52px; height: 58px; display: grid; place-items: center; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.hex svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.b1 .hex { background: linear-gradient(160deg, #6aa8ff, #1f4fd0); }
.b2 .hex { background: linear-gradient(160deg, #5ff0c9, #0d8d6c); }
.b3 .hex { background: linear-gradient(160deg, #ffe08a, #c98a10); }
.off .hex { background: rgba(255, 255, 255, 0.08); }
.off .hex svg { stroke: rgba(255, 255, 255, 0.4); }
.hexes small { font: 600 11px/1.2 var(--kr); color: rgba(255, 255, 255, 0.66); text-align: center; white-space: nowrap; }
.off small { color: rgba(255, 255, 255, 0.35); }
.rc-friend { right: 3%; bottom: 0; width: 40%; z-index: 4; animation-delay: -2s; }
.avs { margin-top: 16px; display: flex; }
.avs i { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 600 13px/1 var(--display); font-style: normal; color: #071330; background: var(--c); box-shadow: 0 0 0 3px #0c2156; }
.avs i + i { margin-left: -9px; }
.avs .more { background: rgba(255, 255, 255, 0.14); color: #fff; }
.rc-friend .rc-mid b { background: linear-gradient(90deg, #a9cbff, #22d3a6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rv-note { position: absolute; left: 0; right: 0; bottom: -34px; margin: 0; text-align: center; font: 500 11.5px/1 var(--kr); color: rgba(255, 255, 255, 0.32); }
@keyframes rc-float { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }
@keyframes rc-fill { from { transform: scaleX(0) } to { transform: scaleX(1) } }
@media (prefers-reduced-motion: reduce) { .rc, .rc-bar i { animation: none; } }
@media (max-width: 1080px) {
  .rewards-in { grid-template-columns: 1fr; gap: 40px; }
  .rv { max-width: 560px; width: 100%; margin-inline: auto; }
}
@media (max-width: 680px) {
  .rv { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; perspective: none; }
  .rc { position: static; width: auto; padding: 18px; border-radius: 22px; animation: none; }
  .rc-main { grid-column: 1 / -1; order: -1; padding: 22px 22px 20px; }
  .rc-streak { order: 1; }
  .rc-friend { order: 2; }
  .rc-badges { grid-column: 1 / -1; order: 3; }
  .rv-note { order: 4; }
  .rc header { flex-wrap: wrap; row-gap: 8px; }
  .rc-num { margin-top: 18px; }
  .rc-num b { font-size: 44px; }
  .rc-mid b { font-size: 30px; }
  .rc-mid { flex-wrap: wrap; }
  .tiers { gap: 6px; margin-top: 16px; }
  .rc-prog { margin-top: 18px; }
  .rv-note { position: static; grid-column: 1 / -1; margin-top: 6px; }
}

.chains span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px 9px 12px; background: var(--card); }
.chains span::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 18%, transparent); }

.split .h2 { font-size: clamp(36px, 4.3vw, 60px); }