:root{
  --lt-bg:#071A2B;
  --lt-bg2:#081B39;
  --lt-deep:#030817;
  --lt-blue:#1768A8;
  --lt-blue2:#2A8FE7;
  --lt-green:#25FF82;
  --lt-soft:#F5F8FC;
  --lt-ink:#10233F;
  --lt-muted:#667792;
  --lt-line:rgba(28,87,145,.16);
  --lt-shadow:0 18px 52px rgba(4,20,38,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#fff;
  color:var(--lt-ink);
  font-family:Manrope,Arial,Helvetica,sans-serif;
}
body.lt-public-shell{padding-top:84px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.lt-shell{width:min(1180px,calc(100% - 36px));margin:auto}
.lt-skip{position:absolute;left:-9999px;top:auto}
.lt-skip:focus{left:18px;top:10px;z-index:999999;background:#fff;color:#071A2B;padding:10px 14px;border-radius:10px}

/* header */
.lt-header{
  position:fixed;top:0;left:8px;right:8px;z-index:10000;
  background:rgba(7,26,43,.96);
  border-left:2px solid var(--lt-green);
  border-right:2px solid var(--lt-green);
  border-bottom:2px solid var(--lt-green);
  border-radius:0 0 40px 40px;
  box-shadow:0 14px 34px rgba(7,26,43,.22);
  backdrop-filter:blur(18px) saturate(130%);
}
.lt-header-inner{
  width:min(1180px,calc(100% - 26px));min-height:72px;margin:auto;
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center
}
.lt-brand{display:flex;align-items:center;min-width:178px}
.lt-brand img{width:170px;max-height:56px;object-fit:contain}
.lt-nav{display:flex;align-items:center;justify-content:center;gap:8px}
.lt-nav>a,.lt-clicky>summary{
  min-height:38px;display:inline-flex;align-items:center;gap:7px;padding:8px 12px;
  border-radius:999px;color:#fff;font-size:12px;font-weight:800;border:1px solid transparent;
  cursor:pointer;list-style:none
}
.lt-nav>a:hover,.lt-clicky>summary:hover,.lt-clicky[open]>summary{
  border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.055)
}
.lt-clicky{position:relative}
.lt-clicky>summary::-webkit-details-marker{display:none}
.lt-clicky-menu{
  position:absolute;top:calc(100% + 10px);right:0;width:344px;padding:11px;border-radius:22px;
  background:rgba(255,255,255,.985);border:1px solid rgba(15,23,42,.08);
  box-shadow:0 28px 68px rgba(15,23,42,.26);overflow:hidden
}
.lt-clicky:not([open]) .lt-clicky-menu{display:none}
.lt-clicky-section{padding:9px 10px 6px;color:var(--lt-blue);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.lt-clicky-menu a{
  display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;
  min-height:52px;padding:7px 9px;margin:2px 0;border-radius:14px;color:#273142
}
.lt-clicky-menu a:hover{background:linear-gradient(135deg,var(--lt-bg),var(--lt-blue));color:#fff;transform:translateX(3px)}
.lt-clicky-icon{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:#edf4fb;
  color:var(--lt-blue);font-weight:1000
}
.lt-clicky-copy strong{display:block;font-size:11px}
.lt-clicky-copy small{display:block;margin-top:3px;font-size:9px;color:#7c8799}
.lt-clicky-menu a:hover small{color:rgba(255,255,255,.76)}
.lt-actions{display:flex;align-items:center;gap:9px;justify-content:flex-end}
.lt-action{
  min-height:40px;padding:9px 14px;border-radius:13px;border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:11px;font-weight:800
}
.lt-action.primary{background:#fff;color:var(--lt-bg);border-color:#fff}
.lt-mobile-menu{display:none}

/* hero */
.lt-hero{
  position:relative;overflow:hidden;padding:88px 0 78px;
  background:
    radial-gradient(circle at 82% 18%,rgba(42,143,231,.18),transparent 27%),
    radial-gradient(circle at 12% 10%,rgba(37,255,130,.08),transparent 24%),
    linear-gradient(180deg,#f8fbff,#fff)
}
.lt-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.lt-eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border-radius:999px;
  background:#eaf3fb;color:var(--lt-blue);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em
}
.lt-hero h1{margin:20px 0 18px;font-size:clamp(46px,6vw,76px);line-height:.98;letter-spacing:-.055em;color:var(--lt-bg)}
.lt-hero h1 span{color:var(--lt-blue)}
.lt-hero-lead{max-width:680px;margin:0;color:#60728f;font-size:18px;line-height:1.7}
.lt-hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.lt-btn{
  min-height:50px;padding:0 18px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;border:1px solid var(--lt-line)
}
.lt-btn.primary{background:var(--lt-green);color:#031022;border-color:var(--lt-green)}
.lt-btn.secondary{background:#fff;color:var(--lt-bg);box-shadow:0 10px 24px rgba(7,26,43,.08)}
.lt-trust{display:flex;gap:15px;flex-wrap:wrap;margin-top:20px;color:#667792;font-size:12px;font-weight:700}
.lt-trust b{color:var(--lt-blue)}

.lt-screen{
  position:relative;padding:16px;border-radius:30px;background:linear-gradient(180deg,#081b39,#071225);
  border:1px solid #234f87;box-shadow:0 30px 80px rgba(7,26,43,.25);overflow:hidden
}
.lt-screen-top{display:grid;grid-template-columns:1fr 1.3fr;gap:10px;margin-bottom:10px}
.lt-screen-brand,.lt-screen-head{
  min-height:58px;border-radius:18px;background:#fff;display:flex;align-items:center;padding:0 14px
}
.lt-screen-brand img{height:34px;width:auto}
.lt-screen-head{background:#081b39;border:1px solid #2f5f95;color:#fff;justify-content:space-between}
.lt-screen-head strong{font-size:12px}.lt-screen-head span{font-size:11px;color:var(--lt-green);font-weight:900}
.lt-screen-main{display:grid;grid-template-columns:1fr 150px;gap:10px}
.lt-stage{
  min-height:330px;border-radius:22px;overflow:hidden;position:relative;padding:26px;
  background:
    linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.55)),
    radial-gradient(circle at 40% 35%,#1f88b6,#062b4f 48%,#03101e 80%);
  color:#fff;display:flex;align-items:flex-end
}
.lt-stage:before{content:"";position:absolute;inset:24px;border:1px solid rgba(255,255,255,.08);border-radius:18px}
.lt-stage-copy{position:relative;z-index:2}
.lt-stage-copy small{display:inline-flex;background:var(--lt-green);color:#031022;border-radius:999px;padding:7px 10px;font-weight:900;font-size:10px}
.lt-stage-copy h3{font-size:34px;line-height:1;margin:12px 0 6px}
.lt-stage-copy p{margin:0;color:#d5e4f8;font-size:13px}
.lt-adcol{display:grid;grid-template-rows:1fr 1fr .58fr;gap:10px}
.lt-ad{
  border-radius:18px;background:#10294d;border:1px solid rgba(255,255,255,.1);
  color:#dce8f8;display:grid;place-items:center;text-align:center;padding:12px;font-size:11px;font-weight:900
}
.lt-ad.hot{background:#0d365d;color:#fff}.lt-ad.hot span{display:block;color:var(--lt-green);font-size:9px;margin-bottom:5px}
.lt-ticker{
  margin-top:10px;min-height:48px;border-radius:16px;background:#173c78;color:#fff;
  display:flex;align-items:center;padding:0 15px;font-size:11px;font-weight:800
}

/* sections */
.lt-section{padding:76px 0}
.lt-section.soft{background:#f6f9fc}
.lt-section.dark{background:linear-gradient(180deg,var(--lt-bg),#061426);color:#fff}
.lt-heading{max-width:760px;margin-bottom:34px}
.lt-kicker{display:inline-block;color:var(--lt-blue);font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.dark .lt-kicker{color:var(--lt-green)}
.lt-heading h2{margin:0 0 12px;font-size:clamp(34px,4vw,50px);line-height:1.05;letter-spacing:-.04em}
.lt-heading p{margin:0;color:#6b7d98;line-height:1.7;font-size:16px}.dark .lt-heading p{color:#a9bdd8}

/* steps */
.lt-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.lt-step{
  padding:22px;border-radius:22px;background:#fff;border:1px solid var(--lt-line);box-shadow:0 12px 28px rgba(7,26,43,.05)
}
.lt-step-num{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#eaf4fb;color:var(--lt-blue);font-weight:1000}
.lt-step small{display:block;margin-top:18px;color:var(--lt-blue);font-weight:900;text-transform:uppercase;font-size:9px}
.lt-step h3{margin:7px 0 8px;font-size:18px}.lt-step p{margin:0;color:#6b7d98;font-size:12px;line-height:1.6}

/* features */
.lt-features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lt-feature{
  padding:22px;border-radius:22px;background:#fff;border:1px solid var(--lt-line);box-shadow:0 10px 28px rgba(7,26,43,.05)
}
.lt-feature-icon{width:44px;height:44px;border-radius:14px;background:#e9f3fb;display:grid;place-items:center;color:var(--lt-blue);font-size:20px}
.lt-feature h3{margin:16px 0 8px;font-size:18px}.lt-feature p{margin:0;color:#6b7d98;font-size:12px;line-height:1.6}

/* commercial */
.lt-commercial{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.lt-commercial-copy{
  padding:34px;border-radius:28px;background:#071a2b;color:#fff;position:relative;overflow:hidden
}
.lt-commercial-copy:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-120px;bottom:-140px;border:1px solid rgba(37,255,130,.16);box-shadow:0 0 0 36px rgba(37,255,130,.025)}
.lt-commercial-copy h2{font-size:42px;line-height:1;margin:0 0 16px}.lt-commercial-copy p{color:#b7c9df;line-height:1.7;margin:0 0 24px}
.lt-inventory{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lt-slot{padding:20px;border-radius:22px;background:#0b2547;border:1px solid #234f87;color:#fff}
.lt-slot span{display:inline-block;color:var(--lt-green);font-size:9px;font-weight:900;text-transform:uppercase}
.lt-slot h3{margin:9px 0 6px;font-size:18px}.lt-slot p{margin:0;color:#9eb7d8;font-size:11px;line-height:1.55}

/* presence */
.lt-presence{display:grid;grid-template-columns:1fr .85fr;gap:22px;align-items:stretch}
.lt-map{
  min-height:370px;border-radius:28px;background:
  radial-gradient(circle at 50% 45%,rgba(42,143,231,.22),transparent 36%),
  linear-gradient(180deg,#0c2a4c,#071a2b);
  border:1px solid #234f87;color:#fff;display:grid;place-items:center;text-align:center;padding:30px
}
.lt-map strong{font-size:40px;display:block}.lt-map span{display:block;margin-top:8px;color:#9eb7d8}
.lt-presence-list{display:grid;gap:14px}
.lt-citycard{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--lt-line)}
.lt-citycard b{color:var(--lt-blue);font-size:12px}.lt-citycard h3{margin:7px 0 5px}.lt-citycard p{margin:0;color:#6b7d98;font-size:12px;line-height:1.55}

/* FAQ */
.lt-faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}
.lt-faq-intro h2{font-size:40px;line-height:1.05;margin:0 0 12px}
.lt-faq-intro p{color:#6b7d98;line-height:1.7}
.lt-faq-list{display:grid;gap:10px}
.lt-faq-item{border:1px solid var(--lt-line);border-radius:18px;background:#fff;overflow:hidden}
.lt-faq-item summary{cursor:pointer;padding:18px 20px;font-weight:900;list-style:none}
.lt-faq-item summary::-webkit-details-marker{display:none}
.lt-faq-answer{padding:0 20px 20px;color:#6b7d98;line-height:1.65;font-size:13px}

/* final */
.lt-final{padding:0 0 84px}
.lt-final-box{
  border-radius:30px;padding:38px;background:linear-gradient(135deg,#0d2b52,#081b39);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px
}
.lt-final h2{margin:0;font-size:34px}.lt-final p{margin:8px 0 0;color:#aec0d8}
.lt-final .lt-btn.secondary{background:#fff}

/* footer */
.lt-footer{background:#061426;color:#fff}
.lt-footer-inner{padding:38px 0 102px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.lt-footer-brand img{width:160px}.lt-footer-brand p{color:#94aac6;max-width:360px;line-height:1.6;font-size:12px}
.lt-footer-col strong{display:block;margin-bottom:12px}.lt-footer-col a{display:block;color:#9fb4cf;font-size:12px;margin:8px 0}
.lt-footer-base{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;color:#758ca9;font-size:11px}

/* dock */
.lt-dock{
  position:fixed;left:50%;bottom:12px;transform:translateX(-50%);z-index:9998;
  width:min(520px,calc(100% - 20px));min-height:62px;padding:6px 8px;
  display:none;grid-template-columns:repeat(5,1fr);background:rgba(7,26,43,.95);
  border:1px solid rgba(37,255,130,.25);border-radius:22px;box-shadow:0 18px 52px rgba(0,0,0,.28);backdrop-filter:blur(18px)
}
.lt-dock a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#d8e5f5;font-size:9px;font-weight:800}
.lt-dock span{font-size:18px;line-height:1}.lt-dock a.active{color:var(--lt-green)}

.lt-reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
.lt-reveal.is-visible{opacity:1;transform:none}

@media(max-width:1040px){
  .lt-nav{display:none}.lt-mobile-menu{display:inline-flex}
  .lt-hero-grid{grid-template-columns:1fr}.lt-screen{max-width:820px}
  .lt-steps{grid-template-columns:repeat(3,1fr)}
  .lt-features{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  body.lt-public-shell{padding-top:74px}
  .lt-header{left:4px;right:4px;border-radius:0 0 28px 28px}
  .lt-header-inner{min-height:64px;grid-template-columns:auto 1fr auto}
  .lt-brand img{width:145px}.lt-actions .lt-action:not(.primary){display:none}
  .lt-hero{padding:58px 0 54px}
  .lt-hero h1{font-size:48px}.lt-hero-lead{font-size:16px}
  .lt-screen-main{grid-template-columns:1fr}.lt-adcol{grid-template-columns:1fr 1fr 1fr;grid-template-rows:auto}
  .lt-stage{min-height:280px}
  .lt-steps{grid-template-columns:1fr}
  .lt-features{grid-template-columns:1fr}
  .lt-commercial{grid-template-columns:1fr}.lt-inventory{grid-template-columns:1fr 1fr}
  .lt-presence{grid-template-columns:1fr}.lt-faq{grid-template-columns:1fr}
  .lt-final-box{flex-direction:column;align-items:flex-start}
  .lt-footer-inner{grid-template-columns:1fr 1fr}
  .lt-dock{display:grid}
}
@media(max-width:520px){
  .lt-shell{width:min(100% - 24px,1180px)}
  .lt-hero h1{font-size:42px}
  .lt-screen{padding:10px;border-radius:24px}
  .lt-screen-top{grid-template-columns:1fr}.lt-screen-brand{display:none}
  .lt-stage{min-height:250px}
  .lt-stage-copy h3{font-size:28px}
  .lt-inventory{grid-template-columns:1fr}
  .lt-footer-inner{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}.lt-reveal{opacity:1;transform:none;transition:none}
}


/* ===== v1.2 INSTITUCIONAL ===== */
.lt-role-strip{
  padding:18px 0;background:#061426;border-top:1px solid rgba(255,255,255,.07);
  border-bottom:1px solid rgba(255,255,255,.07);color:#fff
}
.lt-role-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.lt-role-item{padding:14px 16px;border-radius:16px;background:#0a2144;border:1px solid #234f87}
.lt-role-item b{display:block;color:#25ff82;font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.lt-role-item span{display:block;margin-top:5px;font-size:12px;line-height:1.45;color:#d8e5f5}

.lt-ecosystem{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
.lt-ecosystem-brand{
  min-height:360px;padding:28px;border-radius:28px;background:linear-gradient(180deg,#fff,#f5f8fc);
  border:1px solid var(--lt-line);display:flex;flex-direction:column;justify-content:center
}
.lt-ecosystem-brand img{max-width:100%;max-height:250px;object-fit:contain;margin:auto}
.lt-ecosystem-brand p{margin:18px 0 0;color:#667792;text-align:center;line-height:1.6;font-size:12px}
.lt-ecosystem-flow{display:grid;gap:12px}
.lt-flow-card{padding:19px 20px;border-radius:20px;background:#fff;border:1px solid var(--lt-line)}
.lt-flow-card b{color:var(--lt-blue);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.lt-flow-card h3{margin:7px 0 6px;font-size:20px}
.lt-flow-card p{margin:0;color:#667792;line-height:1.55;font-size:12px}
.lt-flow-arrow{text-align:center;color:#8da5c3;font-weight:900}

.lt-tuviu-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lt-tuviu-card{
  min-height:240px;border-radius:24px;background:#fff;border:1px solid var(--lt-line);
  padding:24px;display:flex;flex-direction:column;justify-content:space-between
}
.lt-tuviu-logo{height:110px;display:flex;align-items:center;justify-content:center}
.lt-tuviu-logo img{max-width:92%;max-height:100px;object-fit:contain}
.lt-tuviu-card h3{margin:16px 0 6px;font-size:19px}
.lt-tuviu-card p{margin:0;color:#667792;font-size:12px;line-height:1.55}

.lt-benefit{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  padding:30px;border-radius:28px;background:linear-gradient(135deg,#071a2b,#0d315f);color:#fff;
  border:1px solid #234f87
}
.lt-benefit b{display:block;color:#25ff82;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.lt-benefit h2{margin:8px 0 9px;font-size:34px;line-height:1.05}
.lt-benefit p{margin:0;color:#b7c9df;line-height:1.65}
.lt-benefit-price{
  min-width:160px;padding:20px;border-radius:22px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);text-align:center
}
.lt-benefit-price small{display:block;color:#9fb4cf;font-size:10px;text-transform:uppercase}
.lt-benefit-price strong{display:block;margin-top:6px;font-size:30px;color:#25ff82}
.lt-benefit-price span{display:block;margin-top:4px;font-size:10px;color:#d8e5f5}

.lt-support-note{
  margin-top:18px;padding:15px 18px;border-radius:16px;background:#edf4fb;color:#315071;
  font-size:12px;line-height:1.55;border:1px solid #d6e4f2
}

@media(max-width:900px){
  .lt-role-grid{grid-template-columns:1fr 1fr}
  .lt-ecosystem{grid-template-columns:1fr}
}
@media(max-width:640px){
  .lt-role-grid,.lt-tuviu-grid{grid-template-columns:1fr}
  .lt-benefit{grid-template-columns:1fr}
  .lt-benefit-price{min-width:0}
}