/* =========================================================
   Nodery — landing
   Palette inherits OmniNode (paper / navy / orange), with more play.
   ========================================================= */
:root{
  --paper:#FAF7F2;
  --paper-2:#F1EDE5;
  --card:#FFFFFF;
  --navy:#14213D;
  --navy-2:#0E1A30;
  --ink:#0B1226;
  --ink-soft:#3B435A;
  --muted:#7A8299;
  --orange:#DC6D26;
  --orange-2:#E07E3A;
  --orange-soft:#F7DCC6;
  --orange-tint:#FBEFE3;
  --line:rgba(20,33,61,.12);
  --line-strong:rgba(20,33,61,.22);
  --ok:#2E9C6A;
  --radius:22px;
  --radius-sm:12px;
  --max:1160px;
  --sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,'Apple SD Gothic Neo',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{
  background:var(--paper);color:var(--ink);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body{
  overflow-x:hidden;line-height:1.55;word-break:keep-all;overflow-wrap:anywhere;
  background-image:
    linear-gradient(to right, rgba(20,33,61,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,33,61,.045) 1px, transparent 1px);
  background-size:40px 40px;
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
b{font-weight:700}
.mono{font-family:var(--mono);letter-spacing:.04em}
::selection{background:var(--orange);color:#fff}

/* background node canvas */
#nodes{
  position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;
  opacity:.9;
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  max-width:calc(var(--max) + 48px);margin:0 auto;padding:18px 24px;
  background:linear-gradient(to bottom, rgba(250,247,242,.92), rgba(250,247,242,.72));
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:baseline;gap:10px}
.brand-by{font-size:11px;color:var(--muted);text-transform:uppercase}
.wordmark{
  font-weight:800;font-size:24px;letter-spacing:-.02em;color:var(--navy);
  display:inline-flex;align-items:center;line-height:1;
}
.node-o{
  position:relative;display:inline-block;width:.78em;height:.78em;margin:0 .02em;
  border:.13em solid var(--orange);border-radius:50%;transform:translateY(.04em);
}
.node-o i{
  position:absolute;left:50%;top:50%;width:.26em;height:.26em;margin:-.13em 0 0 -.13em;
  background:var(--orange);border-radius:50%;
}
.node-o::after{
  content:"";position:absolute;left:50%;top:-.16em;width:.13em;height:.16em;
  background:var(--orange);transform:translateX(-50%);border-radius:1px;
}
.nav-links{display:flex;gap:28px;font-weight:600;font-size:14px;color:var(--ink-soft)}
.nav-links a{position:relative;padding:4px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--orange);
  transition:right .25s ease;
}
.nav-links a:hover::after{right:0}
.arr{display:inline-block;transition:transform .2s ease}
a:hover .arr, .btn:hover .arr{transform:translate(2px,0)}
a[href^="#"]:hover .arr{transform:translate(0,2px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:999px;font-weight:700;font-size:15px;line-height:1;
  border:1.5px solid transparent;transition:transform .15s ease, background .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-solid{background:var(--orange);color:#fff;box-shadow:0 6px 18px -8px rgba(220,109,38,.7)}
.btn-solid:hover{background:var(--orange-2);box-shadow:0 10px 24px -10px rgba(220,109,38,.8)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--navy);background:#fff}
.btn-store{background:var(--navy);color:#fff;padding:13px 18px;font-size:14px}
.btn-store:hover{background:var(--navy-2)}
.btn-store small{font-weight:500;opacity:.7;font-size:12px;margin-left:2px}
.btn.is-soon,[aria-disabled="true"].btn{
  cursor:default;opacity:.55;filter:saturate(.6);box-shadow:none;position:relative;
}
[data-soon]{position:relative}
[data-soon]::after{
  content:attr(data-soon);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%) translateY(4px);
  background:var(--navy);color:#fff;font-size:12px;font-weight:600;padding:6px 10px;border-radius:8px;
  opacity:0;pointer-events:none;transition:opacity .15s ease, transform .15s ease;white-space:nowrap;
}
[data-soon]:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Common ---------- */
main{position:relative;z-index:1}
.section{max-width:var(--max);margin:0 auto;padding:96px 24px}
.eyebrow{
  color:var(--orange);font-size:12px;font-weight:600;text-transform:uppercase;
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:1.5px;background:var(--orange)}
h1,h2,h3,h4{color:var(--navy);letter-spacing:-.03em;line-height:1.12;font-weight:800}
h2{font-size:clamp(30px,4.2vw,46px)}
.section-head{margin-bottom:40px}
.lede{font-size:clamp(16px,1.35vw,19px);color:var(--ink-soft);line-height:1.7;max-width:640px}

/* ---------- Hero ---------- */
.hero{
  position:relative;max-width:var(--max);margin:0 auto;
  padding:112px 24px 88px;
}
.hero .eyebrow{justify-content:flex-start}
.hero h1{
  font-size:clamp(36px,7vw,84px);letter-spacing:-.04em;line-height:1.02;
  margin-bottom:28px;max-width:16ch;
}
.hero h1 em{
  font-style:normal;color:var(--orange);position:relative;display:inline-block;
}
.hero h1 em::after{
  content:"";position:absolute;left:-2%;right:-2%;bottom:.06em;height:.16em;
  background:var(--orange-soft);z-index:-1;border-radius:4px;
  transform-origin:left;transform:scaleX(0);animation:underline .7s .9s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes underline{to{transform:scaleX(1)}}
.hero .lede{margin-bottom:36px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.status{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px;margin-top:64px;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-soft);text-transform:uppercase;
}
.status li{display:flex;align-items:center;gap:8px}
.status b{color:var(--navy);font-weight:700}
.status .log{margin-left:auto;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.dot.live{background:var(--ok);box-shadow:0 0 0 0 rgba(46,156,106,.5);animation:pulse 2s infinite}
.dot.lab{background:var(--orange)}
.dot.next{background:transparent;border:1.5px dashed var(--muted)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,156,106,.45)}70%{box-shadow:0 0 0 8px rgba(46,156,106,0)}100%{box-shadow:0 0 0 0 rgba(46,156,106,0)}}

/* ---------- Banners ---------- */
.banner{
  position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 48px;margin-bottom:20px;overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease, border-color .3s ease;
}
.banner:hover{transform:translateY(-3px);box-shadow:0 30px 60px -40px rgba(20,33,61,.35);border-color:var(--line-strong)}
.banner-body{position:relative;z-index:1;min-width:0}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;font-size:11px;text-transform:uppercase}
.tag{
  padding:6px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--ink-soft);
  background:#fff;font-weight:600;
}
.tag-live{border-color:rgba(46,156,106,.35);color:var(--ok);background:rgba(46,156,106,.08)}
.tag-lab{border-color:rgba(220,109,38,.4);color:var(--orange);background:var(--orange-tint)}
.tag-muted{color:var(--muted);border-color:var(--line)}
.banner-title{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.banner-title h3{font-size:clamp(28px,3.4vw,40px)}
.banner-title .en{font-weight:600;color:var(--muted);font-size:.55em;letter-spacing:0;margin-left:4px;vertical-align:middle}
.app-icon{width:56px;height:56px;border-radius:16px;flex:none;box-shadow:0 8px 20px -10px rgba(20,33,61,.4)}
.ask-icon{
  display:grid;place-items:center;background:var(--navy);color:#fff;
  font-family:'Iowan Old Style','Palatino Linotype',Palatino,'Noto Serif KR',Georgia,serif;font-weight:700;font-size:34px;
  position:relative;
}
.ask-icon::after{content:"";position:absolute;right:10px;bottom:10px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.tagline{font-size:clamp(18px,1.7vw,22px);font-weight:700;color:var(--orange);margin-bottom:12px;letter-spacing:-.01em}
.desc{color:var(--ink-soft);font-size:16px;line-height:1.7;max-width:52ch;margin-bottom:22px}
.desc a{color:var(--orange);font-weight:700;border-bottom:1.5px solid var(--orange-soft)}
.modes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.modes li{
  display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--c);background:color-mix(in srgb, var(--c) 10%, #fff);
}
.modes li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chips li{
  padding:7px 12px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line-strong);color:var(--navy);background:var(--paper);
}
.chips li.more{color:var(--orange);border-color:rgba(220,109,38,.5);border-style:dashed}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.soon-note{font-size:11px;color:var(--muted);text-transform:uppercase;margin-left:6px}

/* art: PickNode — fanned phone screens */
.banner-art{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:14px}
.banner-art figcaption{font-size:11px;color:var(--muted);text-transform:uppercase}
.phones{
  position:relative;width:100%;max-width:420px;aspect-ratio:420/400;
  display:flex;justify-content:center;align-items:flex-end;
}
.phone{
  position:absolute;bottom:0;width:44%;
  border-radius:26px;background:var(--navy);padding:6px;
  box-shadow:0 30px 50px -28px rgba(20,33,61,.45), 0 0 0 1px rgba(20,33,61,.06);
  transition:transform .45s cubic-bezier(.2,.8,.2,1);
  transform-origin:bottom center;
}
.phone img{width:100%;height:auto;border-radius:20px;display:block}
.phone-c{left:50%;transform:translateX(-50%);z-index:3;width:48%}
.phone-l{left:2%;transform:rotate(-9deg) translateY(10px) scale(.94);z-index:2}
.phone-r{right:2%;transform:rotate(9deg) translateY(10px) scale(.94);z-index:1}
.banner-pick:hover .phone-l{transform:rotate(-13deg) translate(-8px,6px) scale(.95)}
.banner-pick:hover .phone-r{transform:rotate(13deg) translate(8px,6px) scale(.95)}
.banner-pick:hover .phone-c{transform:translateX(-50%) translateY(-6px)}
.phones::before{
  content:"";position:absolute;left:10%;right:10%;bottom:-6px;height:22px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(20,33,61,.18), transparent);
}
.banner-pick::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side, rgba(58,84,201,.10), transparent 70%);
}

/* art: AskNode — chat bubbles */
.banner-ask{background:linear-gradient(135deg,#fff 0%, #fff 55%, var(--orange-tint) 100%)}
.art-ask{align-items:stretch;gap:12px;padding:8px 0}
.bubble{
  border-radius:18px;padding:14px 16px;font-size:14px;line-height:1.5;
  box-shadow:0 12px 30px -20px rgba(20,33,61,.4);
  display:flex;flex-direction:column;gap:6px;max-width:88%;
}
.bubble-q{
  align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:6px;
}
.bubble-q .q-label{color:var(--orange);font-weight:700;font-size:11px}
.bubble-q .q-text{font-family:var(--sans);font-size:15px;font-weight:600;letter-spacing:0}
.bubble-a,.bubble-a2{
  align-self:flex-start;background:#fff;color:var(--ink);border:1px solid var(--line);border-bottom-left-radius:6px;
}
.a-who{font-size:10px;color:var(--orange);font-weight:700}
.a-text{font-weight:500;color:var(--ink-soft)}
.bubble-a2{
  margin-left:24px;
  font-family:'Iowan Old Style','Palatino Linotype',Palatino,'Noto Serif KR',Georgia,serif;
}
.bubble-a2 .a-text{font-style:italic}

/* Next */
.banner-next{
  display:block;background:transparent;border:1.5px dashed var(--line-strong);padding:36px 48px;
}
.banner-next:hover{transform:none;box-shadow:none;border-color:var(--orange)}
.banner-next h3{font-size:clamp(22px,2.4vw,28px);margin-bottom:8px}
.banner-next .desc{margin:0}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about-copy h2{margin-bottom:20px}
.principles{margin-top:40px;display:grid;gap:22px}
.principles li{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start}
.principles .num{
  color:var(--orange);font-size:12px;font-weight:700;padding-top:6px;
  border-top:1.5px solid var(--orange);
}
.principles h4{font-size:19px;margin-bottom:4px}
.principles p{color:var(--ink-soft);font-size:15px;line-height:1.65}
.about-diagram{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 18px;
}
.about-diagram svg{width:100%;height:auto;font-family:var(--sans)}
.about-diagram svg .mono{font-family:var(--mono);letter-spacing:.06em}
.about-diagram figcaption{margin-top:12px;text-align:center;font-size:11px;color:var(--muted)}
.about-diagram .ln{stroke-dasharray:400;stroke-dashoffset:400;transition:stroke-dashoffset 1.2s ease}
.about-diagram.in .ln{stroke-dashoffset:0}
.about-diagram .nd{opacity:0;transform:translateY(6px);transition:opacity .5s ease, transform .5s ease}
.about-diagram.in .nd{opacity:1;transform:none}
.about-diagram.in .nd:nth-of-type(2){transition-delay:.15s}
.about-diagram.in .nd:nth-of-type(3){transition-delay:.3s}
.about-diagram.in .nd:nth-of-type(4){transition-delay:.55s}
.about-diagram.in .nd:nth-of-type(5){transition-delay:.65s}
.about-diagram.in .nd:nth-of-type(6){transition-delay:.75s}
.about-diagram.in .nd:nth-of-type(7){transition-delay:.85s}

/* ---------- Strip ---------- */
.strip{
  max-width:var(--max);margin:0 auto 96px;padding:56px 48px;
  background:var(--navy);color:#fff;border-radius:var(--radius);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.strip::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:40px 40px;
}
.strip > *{position:relative}
.strip .mono{font-size:12px;color:var(--orange-soft);width:100%}
.strip h2{color:#fff;font-size:clamp(24px,3vw,36px);flex:1 1 auto}
.strip .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.strip .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}

/* ---------- Footer ---------- */
.footer{
  position:relative;z-index:1;
  max-width:var(--max);margin:0 auto;padding:0 24px 48px;
}
.foot-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding:40px 0;border-top:1px solid var(--line);
}
.foot-brand p{margin-top:14px;color:var(--ink-soft);font-size:14px;line-height:1.6}
.foot-col{display:flex;flex-direction:column;gap:10px;font-size:14px;font-weight:600;color:var(--ink-soft)}
.foot-col .mono{font-size:11px;color:var(--orange);margin-bottom:4px}
.foot-col a:hover{color:var(--navy)}
.foot-info{padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.8}
.foot-info .copy{margin-top:10px;font-size:11px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .dot.live{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
.br-d{display:inline}
@media (max-width:980px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-diagram{position:static}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .hide-m{display:none}
  .nav{padding:14px 18px}
  .nav-links{display:none}
  .br-d{display:none}
  .hero{padding:72px 18px 64px}
  .section{padding:64px 18px}
  .banner{grid-template-columns:1fr;padding:28px 22px;gap:24px}
  .banner-art{order:-1}
  .phones{max-width:340px}
  .art-ask{max-width:420px;width:100%}
  .banner-next{padding:28px 22px}
  .status .log{margin-left:0;width:100%}
  .strip{padding:36px 24px;margin-bottom:64px}
  .foot-top{grid-template-columns:1fr}
}
@media (max-width:480px){
  .wordmark{font-size:21px}
  .brand-by{display:none}
  .btn{padding:13px 18px;font-size:14px}
  .actions .btn{flex:1 1 auto;justify-content:center}
}