/* ===== YWR — Brand tokens ===== */
:root{
  --navy:#0F1726;        /* 주 배경 ~60% */
  --navy2:#1C2433;       /* 카드/표면 */
  --blue:#3D63DD;        /* 유일 액센트 ~10% */
  --blue-soft:rgba(61,99,221,.14);
  --slate:#8A9BB5;       /* 보조 텍스트 */
  --white:#FFFFFF;
  --off:#F5F7FB;
  --deep:#0B0E14;
  --line:#222b3c;
  --muted:#7e8aa6;
  --ink:#cdd7e8;         /* 본문 텍스트 */
  --maxw:1140px;
  --radius:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Pretendard','Inter','Segoe UI','Malgun Gothic',sans-serif;
  background:var(--navy);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* 단어 중간에서 줄바꿈되지 않도록 — 한국어/영어 모두 어절 단위로만 개행 */
  word-break:keep-all;
  overflow-wrap:break-word;
}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
strong{color:var(--white);font-weight:700}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:16px;top:16px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:600;font-size:14.5px;letter-spacing:-.1px;
  padding:11px 20px;border-radius:10px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),background .18s,border-color .18s,box-shadow .18s;
  white-space:nowrap;
}
.btn-lg{padding:14px 26px;font-size:15.5px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(61,99,221,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(61,99,221,.4)}
.btn-ghost{background:transparent;color:var(--off);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--slate);transform:translateY(-2px)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(15,23,38,.72);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,background .25s;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(11,14,20,.86)}
.nav{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center}
.nav-links{display:flex;gap:30px;margin-left:8px;font-size:14.5px}
.nav-links a{color:var(--slate);transition:color .18s;position:relative;padding:4px 0}
.nav-links a:hover{color:var(--white)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px}

/* Language toggle */
.lang-toggle{
  display:inline-flex;align-items:center;gap:4px;
  background:none;border:0;cursor:pointer;
  font-family:inherit;font-size:13px;font-weight:700;letter-spacing:.5px;
  padding:6px 4px;color:var(--muted);
}
.lang-toggle .lang-opt{color:var(--muted);transition:color .18s}
.lang-toggle .lang-opt.active{color:var(--white)}
.lang-toggle .lang-sep{color:var(--line)}
.lang-toggle:hover .lang-opt:not(.active){color:var(--slate)}
.lang-toggle-m{align-self:flex-start;margin-top:10px;font-size:15px}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;width:42px;height:42px;flex-direction:column;gap:5px;justify-content:center;align-items:center;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--off);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{display:none;flex-direction:column;gap:6px;padding:12px 24px 22px;border-bottom:1px solid var(--line);background:var(--navy)}
.mobile-menu a{padding:12px 4px;color:var(--off);border-bottom:1px solid rgba(255,255,255,.05);font-size:16px}
.mobile-menu a.btn{border:1px solid transparent;margin-top:10px;justify-content:center}

/* ===== Hero ===== */
.hero{position:relative;padding:clamp(80px,13vw,150px) 0 clamp(44px,6vw,72px);overflow:hidden}
.hero-glow{
  position:absolute;top:-280px;left:50%;transform:translateX(-50%);
  width:1100px;height:760px;pointer-events:none;
  background:radial-gradient(620px 420px at 50% 30%,rgba(61,99,221,.22),transparent 70%);
  z-index:0;
}
.hero .wrap{position:relative;z-index:1}
.eyebrow{
  font-size:12.5px;letter-spacing:3px;font-weight:700;text-transform:uppercase;
  color:var(--blue);margin-bottom:22px;
}
.hero-title{
  font-size:clamp(34px,6vw,68px);line-height:1.08;font-weight:800;letter-spacing:-1.5px;
  color:var(--white);max-width:14ch;
}
.accent-text{color:var(--slate)}
.hero-sub{
  margin-top:26px;font-size:clamp(16px,2.1vw,20px);color:var(--ink);
  max-width:54ch;line-height:1.65;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}

/* Hero layout with animated agents visual */
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}
.hero-visual{display:flex;justify-content:center;align-items:center;min-width:0}
.agents-viz{width:100%;max-width:440px;height:auto;overflow:visible}
.agents-viz .ring{fill:none;stroke:#283250;stroke-width:1.2}
.agents-viz .orbit-1 .ring{stroke-dasharray:2 8}
.agents-viz .orbit-3 .ring{stroke-dasharray:5 6}
.agents-viz .node{fill:#cdd7e8}
.agents-viz .node-accent{fill:var(--blue)}
.agents-viz .node-dim{fill:var(--slate);opacity:.55}
.agents-viz .spoke{stroke:var(--blue);stroke-width:1.4;stroke-dasharray:4 7;opacity:.55}
.agents-viz .hub-bg{fill:#141a28;stroke:#2a3550;stroke-width:1}
.agents-viz .hub-ring{fill:none;stroke:var(--blue);stroke-width:1.6}
.agents-viz .hub-notch{fill:var(--blue)}
.agents-viz .orbit{transform-box:view-box;transform-origin:220px 220px;animation:viz-spin 42s linear infinite}
.agents-viz .orbit-2{animation-duration:30s;animation-direction:reverse}
.agents-viz .orbit-3{animation-duration:22s}
.agents-viz .node{animation:viz-pulse 3s ease-in-out infinite}
.agents-viz .node-accent{animation-duration:2.3s}
.agents-viz .spoke{animation:viz-flow 1.7s linear infinite}
.agents-viz .hub-ring{transform-box:view-box;transform-origin:220px 220px;animation:viz-breathe 3.6s ease-in-out infinite}
@keyframes viz-spin{to{transform:rotate(360deg)}}
@keyframes viz-pulse{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes viz-flow{to{stroke-dashoffset:-22}}
@keyframes viz-breathe{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.13);opacity:.9}}

/* ===== Trust strip ===== */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(28,36,51,.35)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 24px}
.trust-item{display:flex;flex-direction:column;gap:5px;text-align:center}
.trust-num{font-size:clamp(18px,2.4vw,24px);font-weight:800;color:var(--white);letter-spacing:-.5px}
.trust-label{font-size:13px;color:var(--slate)}

/* ===== Generic section ===== */
.section{padding:clamp(72px,10vw,118px) 0}
.section-alt{background:linear-gradient(180deg,var(--deep),var(--navy))}
.section-title{font-size:clamp(26px,4vw,42px);font-weight:800;color:var(--white);letter-spacing:-1px;line-height:1.15;margin-bottom:18px}
.section-lead{font-size:clamp(15.5px,1.9vw,18.5px);color:var(--ink);max-width:62ch;margin-bottom:54px;line-height:1.7}

/* ===== Platform cards ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--navy2);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:transform .25s var(--ease),border-color .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(61,99,221,.5)}
.card-icon{
  width:48px;height:48px;border-radius:12px;background:var(--blue-soft);
  color:var(--blue);display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:20px;
}
.card h3{font-size:20px;color:var(--white);font-weight:700;margin-bottom:12px;letter-spacing:-.4px}
.card p{font-size:15px;color:var(--ink);line-height:1.7}

/* ===== Solutions ===== */
.sol-list{display:flex;flex-direction:column;gap:0}
.sol-row{display:flex;gap:30px;padding:34px 0;border-top:1px solid var(--line)}
.sol-row:last-child{border-bottom:1px solid var(--line)}
.sol-no{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--blue);letter-spacing:-1px;min-width:62px;line-height:1.2}
.sol-body h3{font-size:clamp(19px,2.4vw,24px);color:var(--white);font-weight:700;margin-bottom:10px;letter-spacing:-.4px}
.sol-body p{font-size:15.5px;color:var(--ink);max-width:70ch}

/* ===== Trust cards ===== */
.trust-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tcard{
  background:var(--navy2);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 28px;position:relative;
}
.tcard::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--blue);border-radius:0 3px 3px 0}
.tcard h3{font-size:18.5px;color:var(--white);font-weight:700;margin-bottom:10px;padding-left:8px;letter-spacing:-.3px}
.tcard p{font-size:14.8px;color:var(--ink);padding-left:8px}
.trust-note{
  margin-top:30px;padding:22px 26px;background:var(--blue-soft);
  border:1px solid rgba(61,99,221,.3);border-radius:var(--radius);
  font-size:15px;color:var(--off);max-width:none;
}

/* ===== Why ===== */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 48px}
.why-item h3{font-size:20px;color:var(--white);font-weight:700;margin-bottom:10px;letter-spacing:-.4px}
.why-item h3::before{content:"—";color:var(--blue);margin-right:10px;font-weight:800}
.why-item p{font-size:15px;color:var(--ink)}

/* ===== CTA ===== */
.cta-section{
  padding:clamp(72px,11vw,120px) 0;
  background:radial-gradient(800px 400px at 50% 0%,rgba(61,99,221,.16),transparent 70%),var(--deep);
  border-top:1px solid var(--line);
  text-align:center;
}
.cta-inner h2{font-size:clamp(26px,4vw,42px);font-weight:800;color:var(--white);letter-spacing:-1px;max-width:20ch;margin:0 auto 18px;line-height:1.2}
.cta-inner p{font-size:clamp(15.5px,2vw,18px);color:var(--ink);max-width:54ch;margin:0 auto 36px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--deep);border-top:1px solid var(--line);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.footer-brand img{margin-bottom:16px}
.footer-tagline{color:var(--slate);font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.footer-slogan{color:var(--muted);font-size:14px;max-width:34ch}
.footer-col h4{font-size:13px;color:var(--slate);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px;font-weight:700}
.footer-col a{display:block;color:var(--ink);font-size:14.5px;padding:6px 0;transition:color .18s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:26px;font-size:13px;color:var(--muted)}

/* ===== Contact modal ===== */
.modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:24px}
.modal:not([hidden]){display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,11,17,.74);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}
.modal-card{
  position:relative;width:100%;max-width:500px;max-height:92vh;overflow:auto;
  background:var(--navy2);border:1px solid var(--line);border-radius:16px;
  padding:26px 28px;box-shadow:0 30px 80px rgba(0,0,0,.55);
  animation:modal-in .28s var(--ease);
}
@keyframes modal-in{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal-x{position:absolute;top:14px;right:16px;background:none;border:0;color:var(--slate);font-size:28px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:8px}
.modal-x:hover{color:#fff}
.modal-card h2{font-size:21px;color:#fff;font-weight:800;letter-spacing:-.5px;margin-bottom:5px}
.modal-intro{font-size:14px;color:var(--ink);margin-bottom:16px;line-height:1.55}
.field{margin-bottom:11px;display:flex;flex-direction:column;gap:5px}
.field label{font-size:12.5px;color:var(--slate);font-weight:600}
.field input,.field textarea{
  background:var(--navy);border:1px solid var(--line);border-radius:9px;
  padding:9px 12px;color:var(--off);font-family:inherit;font-size:14.5px;width:100%;
  transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder,.field textarea::placeholder{color:#5b6580}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.field textarea{resize:vertical;min-height:68px;line-height:1.5}
#contact-form .btn{width:100%;margin-top:5px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.form-status{font-size:13.5px;margin-top:10px;min-height:1.2em;line-height:1.45}
.form-status.ok{color:#7fd1a3}
.form-status.err{color:#ff9a9a}
#contact-form button[disabled]{opacity:.6;cursor:default}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .agents-viz .orbit,.agents-viz .node,.agents-viz .spoke,.agents-viz .hub-ring{animation:none}
}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:6px}
  .hero-visual{order:1;margin-top:20px;max-width:340px;align-self:start}
}
@media (max-width:860px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .mobile-menu:not([hidden]){display:flex}
  .card-grid{grid-template-columns:1fr}
  .trust-cards{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr;gap:28px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .sol-row{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .wrap{padding:0 18px}
  .hero-cta .btn,.cta-actions .btn{flex:1 1 100%}
}