@font-face { font-family: Pretendard; src: url("../fonts/Pretendard.woff2") format("woff2"); font-weight: 45 920; font-display: swap; }
@font-face { font-family: "Big Shoulders Display"; src: url("../fonts/BigShouldersDisplay-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
:root { --bg:#070b0b; --surface:#101918; --ink:#ecf2f0; --ink-2:#b4c0bd; --ink-3:#7d8a87; --line:rgba(236,242,240,.17); --tq:#19b8b0; --tq-hi:#52dcd3; --gutter:clamp(18px,5vw,72px); color-scheme:dark; }
* { box-sizing:border-box; }
html { background:var(--bg); scroll-behavior:smooth; }
body { margin:0; min-height:100svh; overflow-x:hidden; color:var(--ink); background:radial-gradient(80% 60% at 85% 10%,rgba(25,184,176,.12),transparent 70%),var(--bg); font-family:Pretendard,system-ui,sans-serif; font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased; }
button,a { font:inherit; }
a { color:inherit; text-decoration:none; }
button { color:inherit; }
:focus-visible { outline:2px solid var(--tq-hi); outline-offset:4px; }
.skip { position:fixed; left:8px; top:8px; z-index:20; padding:9px 13px; color:var(--bg); background:var(--ink); transform:translateY(-160%); }
.skip:focus { transform:none; }
.header { min-height:68px; padding:0 var(--gutter); display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); }
.wordmark { display:inline-flex; align-items:center; gap:10px; font-size:17px; letter-spacing:-.03em; }
.wordmark svg { width:28px; height:30px; }
.wordmark b { font-weight:850; }
.back,.privacy-link { color:var(--ink-2); font-size:14px; text-decoration:underline; text-decoration-color:var(--line); text-underline-offset:5px; }
.back:hover,.privacy-link:hover { color:var(--tq-hi); }
main { min-height:calc(100svh - 148px); }
.auth { width:min(1080px,calc(100% - 2 * var(--gutter))); min-height:calc(100svh - 148px); margin:auto; display:grid; grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr); gap:clamp(40px,8vw,120px); align-items:center; }
.auth > *,.auth-copy,.auth-panel { min-width:0; }
.auth h1,.downloads h1,.privacy h1 { max-width:100%; margin:0; font-family:"Big Shoulders Display",Pretendard,sans-serif; font-weight:900; font-size:clamp(72px,8vw,100px); line-height:.82; letter-spacing:-.02em; }
.auth-copy p { max-width:35em; margin:28px 0 0; color:var(--ink-2); font-size:clamp(18px,2vw,24px); }
.auth-panel { padding:clamp(24px,4vw,44px); border:1px solid var(--line); border-radius:16px; background:rgba(18,27,27,.58); box-shadow:0 24px 70px rgba(0,0,0,.32); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); }
.glass-button,.download-link,.sign-out { min-height:52px; display:inline-flex; align-items:center; justify-content:center; border:1px solid rgba(236,242,240,.35); border-radius:12px; background:rgba(236,242,240,.1); color:var(--ink); padding:0 22px; cursor:pointer; transition:background-color .2s,transform .12s,border-color .2s; }
.glass-button { width:100%; font-weight:750; }
.glass-button:hover,.download-link:hover,.sign-out:hover { background:rgba(82,220,211,.16); border-color:var(--tq-hi); }
.glass-button:active,.download-link:active,.sign-out:active { transform:scale(.98); }
.glass-button:disabled { opacity:.55; cursor:wait; }
.notice { margin:22px 0 0; color:var(--ink-2); font-size:14px; }
.status { min-height:1.6em; margin:14px 0 0; color:var(--tq-hi); font-size:14px; }
.privacy-link { display:inline-block; margin-top:8px; }
.downloads { width:min(1240px,calc(100% - 2 * var(--gutter))); margin:0 auto; padding:clamp(70px,10vw,130px) 0; }
.downloads-head { display:flex; align-items:flex-end; justify-content:space-between; gap:28px; margin-bottom:36px; }
.downloads h1 { font-size:clamp(64px,8vw,96px); }
.user { margin:16px 0 0; color:var(--ink-2); }
.sign-out { min-height:44px; flex:none; }
.terms { margin-top:28px; padding-top:24px; border-top:1px solid var(--line); }
.terms h2 { margin:0 0 10px; font-size:20px; }
.terms p { margin:0; max-width:72ch; color:var(--ink-2); }
.download-layout { display:grid; grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr); gap:clamp(30px,5vw,72px); align-items:start; }
.download-layout > *,.download-actions { min-width:0; }
.version { margin:0 0 16px; color:var(--ink-3); font-variant-numeric:tabular-nums; }
.platforms { display:grid; gap:18px; }
.platform { padding:24px; border:1px solid var(--line); border-radius:16px; background:rgba(18,27,27,.55); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); }
.platform h3 { margin:0 0 17px; font-size:23px; }
.download-row { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:16px; padding-top:16px; border-top:1px solid var(--line); }
.download-row + .download-row { margin-top:16px; }
.download-row strong { display:block; }
.download-row small { display:block; margin-top:3px; color:var(--ink-3); font-variant-numeric:tabular-nums; }
.download-link { min-height:46px; white-space:nowrap; }
.drive-note { margin:24px 0 0; color:var(--ink-2); font-size:14px; }
.preview { margin:0; }
.preview img { width:100%; height:auto; border-radius:14px; box-shadow:0 28px 80px rgba(0,0,0,.42); }
.preview figcaption { margin-top:14px; color:var(--ink-3); font-size:14px; }
.privacy { width:min(780px,calc(100% - 2 * var(--gutter))); margin:0 auto; padding:clamp(70px,10vw,130px) 0; }
.privacy article { color:var(--ink-2); }
.privacy h1 { color:var(--ink); font-size:clamp(56px,9vw,100px); margin-bottom:54px; }
.privacy h2 { color:var(--ink); margin:42px 0 10px; font-size:22px; }
.privacy p { margin:0; }
.privacy a { color:var(--tq-hi); text-decoration:underline; text-underline-offset:4px; }
footer { min-height:80px; padding:20px var(--gutter); display:flex; justify-content:space-between; align-items:center; gap:20px; border-top:1px solid var(--line); color:var(--ink-3); font-size:13px; }
[hidden] { display:none !important; }
@media (max-width:760px) {
  .auth { grid-template-columns:minmax(0,1fr); align-content:center; padding:58px 0; }
  .auth h1 { font-size:clamp(56px,18vw,82px); }
  .auth-panel { padding:22px; }
  .downloads-head { align-items:flex-start; flex-direction:column; }
  .downloads { padding:48px 0 64px; }
  .downloads-head { gap:12px; margin-bottom:26px; }
  .downloads h1 { font-size:clamp(58px,19vw,76px); }
  .download-layout { grid-template-columns:minmax(0,1fr); gap:28px; }
  .download-row { grid-template-columns:1fr; }
  .download-link { width:100%; }
}
@media (prefers-reduced-transparency:reduce) { .auth-panel,.platform { backdrop-filter:none; -webkit-backdrop-filter:none; background:var(--surface); } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; transition-duration:.01ms!important; } }