:root{--ink:#101828;--muted:#53627a;--blue:#356bff;--line:#dfe5ef;--soft:#f5f8fd;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:white}.nav{height:72px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(24px,calc((100vw - var(--max))/2));position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);z-index:10}.logo{font-size:22px;font-weight:900;letter-spacing:-1px;text-decoration:none;color:var(--ink)}.logo span{color:var(--blue)}.nav nav{display:flex;gap:34px}.nav nav a,.nav>a{color:var(--ink);text-decoration:none;font-size:14px}.nav>.btn{justify-self:end;color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:white;text-decoration:none;border:0;border-radius:12px;padding:14px 20px;font-weight:800;font-size:14px;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn.small{padding:11px 17px}.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.btn.full{width:100%;margin-top:18px}.hero{max-width:var(--max);margin:auto;min-height:675px;display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center;padding:70px 24px}.eyebrow,.section-title>span{display:inline-block;background:#eef4ff;color:var(--blue);padding:7px 12px;border-radius:999px;font-size:11px;letter-spacing:1.6px;font-weight:900}.hero h1{font-size:64px;line-height:.98;letter-spacing:-4px;margin:24px 0}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy>p{font-size:19px;line-height:1.6;color:#3f4e65;max-width:600px}.cta{display:flex;gap:12px;margin:26px 0 12px}.hero small{color:var(--muted)}.visual{display:flex;justify-content:center}.phone{width:310px;background:var(--ink);padding:9px;border-radius:42px;transform:rotate(2deg);box-shadow:0 30px 55px rgba(16,24,40,.15)}.screen{height:520px;border-radius:34px;background:linear-gradient(160deg,#eef4ff,#fff);padding:28px 25px;display:flex;flex-direction:column}.screen-logo{font-weight:900;font-size:16px}.screen p{font-weight:900;font-size:24px;line-height:1.05;margin:72px 0 30px}.one{width:155px;height:155px;border-radius:50%;background:var(--blue);color:white;font-size:72px;font-weight:900;display:grid;place-items:center;margin:auto;box-shadow:0 15px 40px rgba(53,107,255,.25)}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:30px}.mini-grid span{height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}.try{background:var(--soft);padding:80px 24px}.section-title{text-align:center;max-width:760px;margin:0 auto 35px}.section-title.left{text-align:left;margin:0 0 32px}.section-title h2{font-size:40px;letter-spacing:-2px;margin:16px 0 10px}.section-title p{color:var(--muted)}.app{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:20px}.input-card,.output-card{background:white;border:1px solid var(--line);border-radius:20px;padding:26px;min-height:520px;box-shadow:0 10px 30px rgba(16,24,40,.04)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}label{font-size:13px;font-weight:800}select,textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:white;font:inherit;color:var(--ink)}select{padding:10px;margin-top:7px}.field{display:block}.field textarea{height:210px;resize:vertical;padding:14px;margin-top:8px;line-height:1.5}.upload-row{display:flex;align-items:center;gap:12px;margin-top:15px;color:var(--muted);font-size:13px}.upload input{display:none}.upload span{display:inline-block;border:1px solid var(--line);padding:10px 12px;border-radius:10px;color:var(--ink);cursor:pointer}.preview-wrap{margin-top:14px;display:flex;align-items:flex-start;gap:12px}.preview-wrap img{width:100px;height:100px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}.hidden{display:none!important}.status{min-height:20px;color:var(--muted);font-size:13px}.answer-head{display:flex;align-items:center;justify-content:space-between}.answer-head h3{font-size:23px;margin:0}.link-btn{border:0;background:none;color:var(--blue);font-weight:800;cursor:pointer}.empty{height:420px;display:grid;place-items:center;align-content:center;gap:22px;color:var(--muted)}.small-one{width:100px;height:100px;font-size:45px;margin:0}.result section{border-top:1px solid var(--line);padding:18px 0}.result h4{font-size:11px;letter-spacing:1.2px;margin:0 0 9px;color:var(--blue)}.result p,.result li{line-height:1.55;color:#344258}.disclaimer{font-size:12px!important;color:#6c7890!important}.info,.band{max-width:var(--max);margin:auto;padding:90px 24px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.steps article{border:1px solid var(--line);border-radius:18px;padding:24px}.steps b{color:var(--blue);font-size:12px}.steps h3{font-size:20px}.steps p,.org p{color:var(--muted);line-height:1.6}.band{max-width:none;background:var(--ink);color:white;padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}.band .section-title{max-width:var(--max)}.chips{max-width:var(--max);display:flex;flex-wrap:wrap;gap:10px}.chips span{border:1px solid #344054;padding:12px 15px;border-radius:999px;color:#d8deea}.org{display:flex;align-items:end;justify-content:space-between;gap:40px}.org>div{max-width:700px}footer{border-top:1px solid var(--line);padding:30px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;color:var(--muted);font-size:13px}footer div:last-child{justify-self:end;display:flex;gap:20px}footer a{color:var(--muted);text-decoration:none}@media(max-width:850px){.nav{grid-template-columns:1fr auto}.nav nav{display:none}.hero{grid-template-columns:1fr;text-align:center}.hero-copy>p{margin-left:auto;margin-right:auto}.cta{justify-content:center}.hero h1{font-size:54px}.app{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.org{display:block}.org .btn{margin-top:20px}}@media(max-width:520px){.hero h1{font-size:45px;letter-spacing:-3px}.hero{padding-top:50px}.phone{width:280px}.screen{height:480px}.section-title h2{font-size:33px}.controls{grid-template-columns:1fr}.input-card,.output-card{padding:18px}footer{grid-template-columns:1fr;gap:14px;text-align:center}footer div:last-child{justify-self:center}.nav{padding:0 16px}.nav>.btn{font-size:12px;padding:10px 12px}}
/* ===== Arnbo V4 polished layout ===== */
.nav{height:76px;grid-template-columns:220px 1fr 220px;overflow:visible}.logo-link{display:flex;align-items:center;width:200px;height:62px;overflow:visible;text-decoration:none}.brand-logo{display:block;width:190px;height:58px;object-fit:contain;object-position:left center;background:transparent}.nav nav{justify-self:center}.hero{min-height:680px;grid-template-columns:1.05fr .95fr;gap:72px;padding-top:76px;padding-bottom:76px}.visual{min-height:560px;align-items:center}.phone{width:320px;padding:9px;border-radius:44px;transform:rotate(1.8deg)}.screen{height:555px;border-radius:36px;padding:25px 26px 27px;background:linear-gradient(160deg,#eef4ff 0%,#fff 68%);overflow:hidden}.screen-logo-wrap{height:58px;display:flex;align-items:flex-start;margin:0 0 30px;flex:0 0 auto}.screen-brand-logo{display:block;width:145px;height:52px;object-fit:contain;object-position:left top;background:transparent}.screen p{font-weight:900;font-size:25px;line-height:1.07;margin:0 0 28px;max-width:240px;flex:0 0 auto}.one{width:144px;height:144px;flex:0 0 144px;font-size:68px;margin:0 auto}.mini-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:28px;flex:0 0 auto}.mini-grid span{height:44px;min-height:44px}.footer-logo-wrap{display:flex;align-items:center;height:54px}.footer-brand-logo{display:block;width:180px;height:50px;object-fit:contain;object-position:left center;background:transparent}@media(max-width:850px){.nav{grid-template-columns:190px 1fr 160px}.logo-link{width:180px}.brand-logo{width:170px}.phone{width:300px}.screen{height:535px}.screen-brand-logo{width:135px}}@media(max-width:760px){.nav{grid-template-columns:1fr auto}.nav nav{display:none}.hero{min-height:auto}.visual{min-height:540px}.phone{transform:rotate(1deg)}}@media(max-width:520px){.nav{height:70px}.logo-link{width:155px;height:56px}.brand-logo{width:150px;height:52px}.visual{min-height:510px}.phone{width:278px}.screen{height:500px;padding:22px}.screen-logo-wrap{height:50px;margin-bottom:24px}.screen-brand-logo{width:125px;height:46px}.screen p{font-size:22px;margin-bottom:24px}.one{width:126px;height:126px;flex-basis:126px;font-size:58px}.mini-grid{margin-top:24px}.mini-grid span{height:40px}.footer-logo-wrap{justify-content:center}}

/* ===== Arnbo V5 layout corrections ===== */
.nav{
  min-height:82px;
  height:82px;
  grid-template-columns:240px 1fr 240px;
  padding-left:max(28px,calc((100vw - var(--max))/2));
  padding-right:max(28px,calc((100vw - var(--max))/2));
  background:#fff;
}
.logo-link{
  width:210px;
  height:66px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  overflow:hidden;
}
.brand-logo{
  width:205px;
  height:64px;
  display:block;
  object-fit:contain;
  object-position:left center;
  background:#fff;
  opacity:1 !important;
  filter:none !important;
}
.hero{
  min-height:690px;
  padding-top:72px;
  padding-bottom:72px;
  align-items:center;
}
.hero-copy{align-self:center}
.visual{
  min-height:560px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.phone{
  width:318px;
  padding:9px;
  border-radius:44px;
  transform:rotate(1.8deg);
}
.screen{
  height:570px;
  padding:24px 26px 26px;
  border-radius:36px;
  background:#fff;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.screen-logo-wrap{
  height:62px;
  min-height:62px;
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  margin:0 0 24px;
}
.screen-brand-logo{
  width:142px;
  height:58px;
  object-fit:contain;
  object-position:left top;
  background:#fff;
  opacity:1 !important;
  filter:none !important;
}
.screen p{
  margin:0 0 26px;
  font-size:25px;
  line-height:1.08;
  max-width:240px;
}
.one{
  width:142px;
  height:142px;
  flex:0 0 142px;
  margin:0 auto;
  font-size:68px;
}
.mini-grid{
  width:100%;
  margin-top:26px;
  gap:10px;
}
.mini-grid span{
  height:44px;
  min-height:44px;
}
.footer-brand-logo{
  width:185px;
  height:58px;
  object-fit:contain;
  object-position:left center;
  background:#fff;
  opacity:1 !important;
  filter:none !important;
}
@media(max-width:980px){
  .nav{grid-template-columns:190px 1fr 150px}
  .logo-link{width:175px}
  .brand-logo{width:170px}
  .phone{width:298px}
  .screen{height:548px}
  .screen-brand-logo{width:132px}
}
@media(max-width:760px){
  .nav{grid-template-columns:1fr auto}
  .nav nav{display:none}
  .logo-link{width:165px}
  .brand-logo{width:160px}
  .hero{min-height:auto}
}
@media(max-width:560px){
  .nav{height:72px;min-height:72px}
  .logo-link{width:150px;height:58px}
  .brand-logo{width:145px;height:56px}
  .footer-brand-logo{width:150px}
}