:root{
  --accent:#f82c3b;
  --brand:#f82c3b;

  --wrap:1100px;
  --border:rgba(0,0,0,.08);

  --ink:#111;
  --muted:#5f6b85;

  --lt-blue:#2b71ff;
  --lt-green:#2bb673;
  --lt-ink:#0f172a;
  --lt-muted:#5f6b85;
  --lt-line:rgba(15,23,42,.10);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

body{
  font:16px/1.7 system-ui, Segoe UI, Arial;
  color: var(--ink);
  background:#fff;
}

a{ color:var(--brand); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  position:relative;
  max-width:1000px;
  margin:0 auto;
  padding:0 16px;
}
.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 16px;
}

.site-header{
  position:fixed;
  top:0; left:0; width:100%;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.95);
  border-bottom:1px solid var(--border);
  z-index:999;
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
}

.logo{
  font-weight:700;
  display:flex;
  align-items:center;
  gap:8px;
  color:#111 !important;
}
.logo img{ height:32px; }

.nav{ display:flex; gap:20px; }
.nav a{
  margin-left:14px;
  font-weight:600;
  color:#111 !important;
}
.nav a:hover{ color:#0b5f5f !important; }

.twitter-link{ margin-left:15px; display:flex; align-items:center; }
.twitter-link img{ width:24px; height:24px; display:block; }

.site-main{ padding:88px 0 24px; }

@media (max-width: 820px){
  .site-header .wrap{ height:56px; justify-content:center; }
  .site-header .nav{ display:none !important; }
  .twitter-link{ display:none !important; }
  .site-main{ padding-top:76px; }
}

.site-footer{
  border-top:1px solid var(--border);
  background:#fff;
  margin-top:32px;
}
.site-footer .wrap{ padding:18px 0; color:#111; }
.site-footer a{ color:#111; }
.site-footer a:hover{ color:#333; }

.lt-page{
  color: var(--lt-ink);
}

.lt-page .container{ max-width:1120px; }

.lt-hero{ padding: 28px 0 10px; }
.lt-hero__inner{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  align-items:center;
}

.lt-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.lt-brand__logo{ width:38px; height:38px; display:block; }
.lt-brand__name{
  font-weight:800;
  letter-spacing:.2px;
  font-size:20px;
  color: var(--lt-ink);
}

.lt-hero__title{
  margin:0 0 10px;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height:1.15;
  color: var(--lt-ink);
}
.lt-hero__desc{
  margin:0 0 16px;
  color: var(--lt-muted);
  max-width: 640px;
  font-size: 15.5px;
  line-height: 1.9;
}

.download-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:#fff;
  text-decoration:none;
  border-radius:10px;
  padding:12px 18px;
  font-size:14px;
  line-height:1.2;
  min-width:180px;
  transition: transform .12s ease, filter .18s ease;
  background: linear-gradient(90deg, var(--lt-green) 0%, var(--lt-blue) 100%);
}
.download-btn:hover{
  transform: translateY(-1px);
  filter: brightness(.98);
}

.lt-hero__actions{ margin-top: 8px; }
.lt-hero__sublinks{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:#7a8797;
  font-size:14px;
}
.lt-link{
  color:#6f7d95;
  background: rgba(15,23,42,.04);
  border:1px solid rgba(15,23,42,.08);
  padding:4px 10px;
  border-radius:999px;
  text-decoration:none;
  transition: transform .12s ease, border-color .15s ease, color .15s ease, background .15s ease;
}
.lt-link:hover{
  text-decoration:none;
  color: var(--lt-blue);
  border-color: rgba(43,113,255,.35);
  background: rgba(43,113,255,.06);
  transform: translateY(-1px);
}

.lt-hero__nav{
  margin-top: 12px;
  color:#6b7280;
  font-size: 13.5px;
}
.lt-hero__nav a{ color: var(--lt-blue); }
.lt-hero__note{
  margin-top: 10px;
  color:#8a94a6;
  font-size: 12.5px;
}

.lt-hero__media{ text-align:right; }
.lt-hero__img{
  width:min(100%,560px);
  height:auto;
  background: transparent !important;
  border:0 !important;
  border-radius:0 !important;
  box-shadow:none !important;
}

.lt-section{
  padding: 44px 0;
  border-top: 1px solid var(--lt-line);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items:center;
}
.lt-section__title{
  margin:0 0 10px;
  font-size: 28px;
  color: var(--lt-ink);
}
.lt-section__desc{
  margin:0;
  color: var(--lt-muted);
  line-height: 1.9;
  font-size: 15.5px;
}
.lt-section__img img{
  width:100%;
  height:auto;
  background: transparent !important;
  border:0 !important;
  border-radius:0 !important;
  box-shadow:none !important;
}

.lt-features{
  padding: 46px 0 54px;
  border-top: 1px solid var(--lt-line);
  text-align:center;
}
.lt-features__title{
  margin:0 0 22px;
  font-size: 30px;
  color: var(--lt-ink);
  letter-spacing:.2px;
}
.lt-features__grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 14px;
}
.lt-feat{
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.08);
  background:#fff;
  box-shadow: 0 10px 26px rgba(15,23,42,.06);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.lt-feat:hover{
  transform: translateY(-3px);
  border-color: rgba(43,113,255,.22);
  box-shadow: 0 16px 38px rgba(43,113,255,.10);
}
.lt-feat__icon{
  width: 86px; height: 86px;
  margin: 6px auto 12px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(43,113,255,.10), rgba(43,182,115,.10));
}
.lt-feat__title{
  margin: 0 0 6px;
  font-size: 16.5px;
  color: var(--lt-ink);
  font-weight:800;
}
.lt-feat__desc{
  margin: 0;
  font-size: 13.5px;
  color: #6b7280;
  line-height: 1.7;
}

.lt-download{
  padding: 40px 0 54px;
  border-top: 1px solid var(--lt-line);
}
.lt-download__inner{
  border-radius: 22px;
  padding: 22px 18px;
  background: linear-gradient(135deg, rgba(43,113,255,.10), rgba(43,182,115,.10));
  border: 1px solid rgba(15,23,42,.08);
}
.lt-download__title{
  margin:0 0 6px;
  font-size: 26px;
  color: var(--lt-ink);
}
.lt-download__desc{
  margin:0 0 14px;
  color: var(--lt-muted);
}
.lt-download__btns{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.lt-blog{
  padding: 46px 0 12px;
  border-top: 1px solid var(--lt-line);
}
.lt-blog__title{
  margin:0 0 16px;
  font-size: 26px;
  color: var(--lt-ink);
}
.lt-blog__grid{
  display:grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.lt-post{
  display:flex;
  flex-direction:column;
  text-decoration:none;
  border-radius: 16px;
  overflow:hidden;
  border:1px solid rgba(15,23,42,.08);
  background:#fff;
  box-shadow: 0 10px 26px rgba(15,23,42,.06);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.lt-post:hover{
  text-decoration:none;
  transform: translateY(-2px);
  border-color: rgba(43,113,255,.22);
  box-shadow: 0 16px 36px rgba(43,113,255,.10);
}
.lt-post__cover{
  width:100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display:block;
}
.lt-post__body{ padding: 14px 14px; }
.lt-post__date{ color:#6b7280; font-size:12.5px; }
.lt-post__ttl{
  margin:6px 0 6px;
  font-size:16.5px;
  line-height:1.5;
  color: var(--lt-ink);
  font-weight:800;
}
.lt-post__desc{
  margin:0;
  color:#6b7280;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

@media (max-width: 980px){
  .lt-hero__inner{ grid-template-columns:1fr; }
  .lt-hero__media{ text-align:center; }
  .lt-section{ grid-template-columns:1fr; }
  .lt-features__grid{ grid-template-columns:1fr; }
  .lt-download__btns{ justify-content:center; }
}