/* KeyBee — keybee.iontheway.info
   종이 톤 배경 + 먹색 + 벌 노랑 1색 + 신뢰도 3색(제품 UI와 같은 의미로만 사용). */
:root {
  --paper: #F4F1EA;
  --paper-2: #ECE8DF;
  --ink: #17150F;
  --ink-2: #4A463E;
  --muted: #7A756B;
  --rule: #D9D3C7;
  --bee: #F2C230;
  --card: #FBFAF7;
  --menu: rgba(250, 249, 246, .92);
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 18px 40px -18px rgba(40, 30, 10, .28);
  --green: #2E9B47;
  --yellow: #C98F00;
  --red: #D2462B;
  --bee-body: #F2C230; --bee-hl: #F8DA72; --bee-ink: #17150F; --bee-wing: #FFFFFF;
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #131210; --paper-2: #1B1A17; --ink: #EDE9E0; --ink-2: #C4BFB4; --muted: #8E897E;
    --rule: #2E2C27; --card: #1E1D1A; --menu: rgba(36, 34, 31, .94);
    --shadow: 0 1px 0 rgba(255,255,255,.03), 0 22px 50px -20px rgba(0,0,0,.7);
    --green: #4CC468; --yellow: #E9B42A; --red: #F06A4C;
    --bee-ink: #0F0E0C; --bee-wing: #EDE9E0;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--sans); letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
h1, h2 { font-weight: 700; letter-spacing: -0.03em; margin: 0; }
h2 { font-size: 28px; line-height: 1.2; }
.t-green { color: var(--green); } .t-yellow { color: var(--yellow); } .t-red { color: var(--red); }

/* ── header ─────────────────────────────── */
.top { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.bee { display: inline-block; width: 34px; height: 31px; }
.bee svg { width: 100%; height: 100%; display: block; overflow: visible; }
.wordmark { font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.lang { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; margin-left: 6px; }
.lang button { all: unset; cursor: pointer; color: var(--muted); padding: 2px 0; }
.lang button[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.lang button:focus-visible, .btn:focus-visible, summary:focus-visible { outline: 2px solid var(--bee); outline-offset: 3px; }

/* 벌 날갯짓 = 128 BPM (0.469s 한 박) — 맥 메뉴바 벌과 같은 아이디어 */
.bee .wing { animation: flap .469s steps(2, jump-none) infinite; }
@keyframes flap { 0% { transform: rotate(-38deg); } 100% { transform: rotate(16deg); } }
@media (prefers-reduced-motion: reduce) { .bee .wing { animation: none; transform: rotate(-20deg); } }

/* ── hero ───────────────────────────────── */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 64px; align-items: center; padding-top: 56px; padding-bottom: 88px; }
h1 { font-size: clamp(40px, 5.6vw, 64px); line-height: 1.04; max-width: 11.5em; }
html[lang="ko"] h1 { line-height: 1.14; letter-spacing: -0.04em; word-break: keep-all; }
html[lang="ko"] body { word-break: keep-all; }
.lede { font-size: 19px; color: var(--ink-2); max-width: 31em; margin: 26px 0 34px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 20px; border-radius: 10px; font-weight: 600; font-size: 15.5px;
  text-decoration: none; border: 1px solid var(--rule); background: var(--card); color: var(--ink);
  transition: transform .12s ease, background .12s ease, border-color .12s ease; white-space: nowrap;
}
.btn:hover { border-color: var(--ink-2); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.primary:hover { background: #000; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary:hover { background: #fff; } }
.btn.ghost { background: transparent; }
.btn[aria-disabled="true"] { color: var(--muted); pointer-events: none; background: transparent; }
.fine { font-family: var(--mono); font-size: 13px; color: var(--muted); margin: 18px 0 0; letter-spacing: 0; }

/* 메뉴바 재현 */
.demo { margin: 0; position: relative; }
.menubar {
  overflow: hidden;
  display: flex; justify-content: space-between; align-items: center; height: 30px; padding: 0 12px;
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 10px 10px 0 0;
  font: 500 13px/1 var(--sans); color: var(--ink);
}
.mb-left, .mb-right { display: flex; align-items: center; gap: 16px; white-space: nowrap; }
.mb-left span:not(.apple) { color: var(--ink-2); }
.apple { width: 11px; height: 13px; background: var(--ink); border-radius: 50% 50% 45% 45% / 55% 55% 45% 45%; display: inline-block; }
.readout { font: 600 13px/1 var(--mono); padding: 4px 7px; border-radius: 5px; background: rgba(127,127,127,.16); letter-spacing: 0; }
.mb-ico { color: var(--ink-2); }
.mb-time { color: var(--ink); }
.dropdown {
  width: 300px; margin: 6px 0 0 auto; padding: 6px; border-radius: 12px;
  background: var(--menu); border: 1px solid var(--rule); box-shadow: var(--shadow);
  font: 400 13.5px/1.35 var(--sans); backdrop-filter: blur(18px);
}
.card { background: rgba(127,127,127,.09); border-radius: 9px; padding: 10px 12px 12px; }
.card-top { display: flex; justify-content: space-between; align-items: baseline; }
.big { font: 600 34px/1 var(--mono); letter-spacing: -0.02em; }
.big small { font: 500 11px var(--sans); color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.bigkey { font: 650 28px/1 var(--sans); }
.chips { display: flex; align-items: center; gap: 5px; margin: 12px 0 11px; }
.chip { font: 500 11.5px/1 var(--mono); padding: 4px 6px; border-radius: 5px; background: rgba(127,127,127,.12); color: var(--ink-2); }
.chip.strong { color: var(--ink); background: rgba(127,127,127,.22); font-weight: 600; }
.mixlbl { font-size: 11.5px; color: var(--muted); margin: 0 3px 0 6px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); border-radius: 7px; overflow: hidden; font: 500 12px/1 var(--mono); }
.seg span { text-align: center; padding: 6px 0; color: var(--ink-2); }
.seg span + span { border-left: 1px solid var(--rule); }
.seg .on { background: var(--card); color: var(--ink); font-weight: 600; }
.song { display: flex; gap: 10px; align-items: center; padding: 9px 8px 5px; }
.song .art { width: 30px; height: 30px; border-radius: 5px; background: linear-gradient(135deg, #3b3a36, #7b6a3a); flex: none; }
.song b { display: block; font-weight: 600; font-size: 13px; }
.song i { display: block; font-style: normal; font-size: 11.5px; color: var(--muted); }
.dropdown hr { border: 0; border-top: 1px solid var(--rule); margin: 6px 4px; }
.dd-label { font-size: 12px; color: var(--muted); padding: 2px 8px; }
.row { display: flex; justify-content: space-between; padding: 4px 8px; border-radius: 5px; font-variant-numeric: tabular-nums; }
.row > span:first-child { font-family: var(--mono); font-size: 12.5px; }
.row em { font-style: normal; color: var(--muted); letter-spacing: -1px; }
.row .muted { color: var(--muted); font-size: 12.5px; }
.row.act { font-family: var(--sans); }
.row.act > span { font: inherit; }
.row.act:hover, .row:hover { background: rgba(127,127,127,.13); }
.tray { display: flex; align-items: center; gap: 12px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.tray-ico {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 6px;
  background: var(--paper-2); border: 1px solid var(--rule); font: 700 10px/1.05 var(--mono); letter-spacing: -.02em;
}
.tray-ico b { display: block; text-align: center; }

/* ── how ────────────────────────────────── */
section { scroll-margin-top: 24px; }
.how, .features, .download, .faq { padding-top: 72px; padding-bottom: 72px; border-top: 1px solid var(--rule); }
.sub { color: var(--ink-2); max-width: 36em; margin: 12px 0 40px; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 10px; border-top: 1px dashed var(--rule); }
.timeline li { position: relative; display: grid; gap: 12px; padding-right: 16px; color: var(--ink-2); font-size: 15px; }
.timeline .t { font: 500 13px/20px var(--mono); color: var(--muted); background: var(--paper); justify-self: start; padding-right: 10px; position: relative; }
.pill { justify-self: start; font: 600 22px/1 var(--mono); padding: 10px 14px; border-radius: 8px; background: var(--card); border: 1px solid var(--rule); letter-spacing: -0.01em; }
.pill.idle { color: var(--muted); }
.legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 44px 0 0; }
.legend div { display: grid; gap: 4px; align-content: start; }
.legend dt { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.legend dd { margin: 0; color: var(--ink-2); font-size: 15px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.g { background: var(--green); } .dot.y { background: var(--yellow); } .dot.r { background: var(--red); }

/* ── features ───────────────────────────── */
.flist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 64px; margin: 0; }
.flist div { padding: 22px 0; border-bottom: 1px solid var(--rule); }
.flist div:nth-last-child(-n+2) { border-bottom: 0; }
.flist dt { font-weight: 650; font-size: 18px; letter-spacing: -0.015em; }
.flist dd { margin: 6px 0 0; color: var(--ink-2); font-size: 15.5px; max-width: 30em; }

/* ── iphone ─────────────────────────────── */
.iphone { padding-top: 72px; padding-bottom: 72px; border-top: 1px solid var(--rule); }
.ip-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 56px; align-items: center; margin-top: 8px; }
.ip-grid + .ip-grid { margin-top: 64px; }
.ip-grid.rev > figure { order: 2; }
.ip-copy h3 { font-size: 22px; letter-spacing: -0.02em; margin: 0 0 14px; }
.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 18px; color: var(--ink-2); font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .68em; width: 7px; height: 2px; background: var(--bee); }
/* 앱 화면은 항상 어두움 (실제 앱과 같게) */
.phone-l { margin: 0; aspect-ratio: 2.16 / 1; border-radius: 34px; padding: 12px; background: #050505; box-shadow: var(--shadow); }
.screen { height: 100%; border-radius: 24px; background: #0C0C0E; color: #fff; display: grid; place-content: center; justify-items: center; gap: 4px; padding: 0 20px; container-type: inline-size; }
.clock { font: 700 clamp(40px, 15cqi, 112px)/1 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.vals { display: flex; gap: 8cqi; align-items: baseline; }
.vals .v { display: inline-flex; align-items: baseline; gap: 8px; }
.vals b { font: 700 clamp(20px, 6.5cqi, 44px)/1.1 var(--sans); font-variant-numeric: tabular-nums; }
.vals b.y { color: #F2C230; }
.vals small { font-size: 13px; color: rgba(235,235,245,.6); }
.vals .dot { align-self: center; }
.timer { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.timer .te { font: 600 clamp(15px, 4.4cqi, 30px)/1 var(--sans); font-variant-numeric: tabular-nums; color: #FFD60A; }
.timer .bar { width: clamp(90px, 34cqi, 300px); height: 6px; border-radius: 4px; background: rgba(255,255,255,.1); overflow: hidden; }
.timer .bar span { display: block; height: 100%; background: rgba(255,214,10,.85); border-radius: 4px; }
.timer .tl { font: 500 12px var(--mono); color: rgba(235,235,245,.6); }
.hist { margin: 0; border-radius: 20px; background: #0C0C0E; color: #fff; padding: 14px 16px 8px; box-shadow: var(--shadow); max-width: 440px; justify-self: center; width: 100%; font-size: 14px; }
.h-day { display: flex; justify-content: space-between; color: rgba(235,235,245,.6); font-size: 13px; font-weight: 600; padding: 2px 2px 8px; border-bottom: 1px solid rgba(255,255,255,.08); }
.h-exp { color: #F2C230; font-weight: 500; }
.h-row { display: grid; grid-template-columns: 44px 1fr auto 22px; gap: 10px; align-items: center; padding: 10px 2px; border-bottom: 1px solid rgba(255,255,255,.06); }
.h-row:last-child { border-bottom: 0; }
.h-t { font: 500 12px var(--mono); color: rgba(235,235,245,.5); }
.h-s b { display: block; font-weight: 600; }
.h-s i { display: block; font-style: normal; font-size: 12.5px; color: rgba(235,235,245,.6); }
.h-v { font: 500 12.5px var(--mono); color: rgba(235,235,245,.8); }
.h-like { color: rgba(235,235,245,.45); text-align: center; }
.h-like.on { color: #FF453A; }
@media (max-width: 900px) {
  .ip-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .ip-grid.rev > figure { order: 0; }
}
@media (max-width: 560px) {
  .iphone { padding-top: 52px; padding-bottom: 52px; }
  .phone-l { border-radius: 24px; padding: 8px; }
  .screen { border-radius: 17px; }
}

/* ── download ───────────────────────────── */
.dl-table { margin-top: 28px; border-top: 1px solid var(--rule); }
.dl-row { display: grid; grid-template-columns: 150px 1fr 110px 190px; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.dl-name { font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.dl-req { color: var(--ink-2); font-size: 15px; }
.dl-ver { font: 500 13px var(--mono); color: var(--muted); }
.dl-row .btn { width: 100%; }
.dl-row.mine .dl-name::after { content: "•"; color: var(--bee); margin-left: 8px; }

/* ── faq ────────────────────────────────── */
.faq h2 { margin-bottom: 18px; }
details { border-bottom: 1px solid var(--rule); }
summary { list-style: none; cursor: pointer; padding: 20px 32px 20px 0; font-weight: 600; font-size: 17.5px; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 2px; top: 16px; font: 400 24px var(--mono); color: var(--muted); }
details[open] summary::after { content: "–"; }
details p { margin: -6px 0 22px; color: var(--ink-2); max-width: 44em; }

/* ── footer ─────────────────────────────── */
.foot { display: flex; gap: 28px; flex-wrap: wrap; padding-top: 32px; padding-bottom: 48px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }

/* ── responsive ─────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 48px; padding-top: 28px; }
  .dropdown { margin-left: 0; margin-right: auto; }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .timeline::before { display: none; }
  .legend, .flist { grid-template-columns: 1fr; }
  .flist div:nth-last-child(2) { border-bottom: 1px solid var(--rule); }
  .dl-row { grid-template-columns: 1fr auto; grid-template-areas: "name ver" "req req" "btn btn"; row-gap: 8px; }
  .dl-name { grid-area: name; } .dl-req { grid-area: req; } .dl-ver { grid-area: ver; text-align: right; } .dl-row .btn { grid-area: btn; margin-top: 8px; }
}
@media (max-width: 560px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  body { font-size: 16px; }
  .nav { gap: 14px; }
  .nav a:not([href="#download"]) { display: none; }
  .menubar .mb-left span:not(.apple):not(:first-of-type) { display: none; }
  .mb-left b { display: none; }
  .dropdown { width: 100%; max-width: 340px; }
  .mb-right { gap: 10px; }
  .lang { margin-left: 0; }
  .lede { font-size: 17px; }
  .how, .features, .download, .faq { padding-top: 52px; padding-bottom: 52px; }
  .pill { font-size: 18px; }
}