/* style.css — blue theme */
:root{
  --accent:#0078ff;       /* main blue */
  --accent-700:#0056d8;
  --bg:#ffffff;
  --muted:#6c757d;
  --dark:#1a1a1a;
  --container:1100px;
  --radius:14px;
  --gap:24px;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--dark);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* container */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
  backdrop-filter: blur(6px);
  border-bottom:1px solid rgba(0,0,0,0.04);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.logo img{ height:44px; display:block; }
.logo{ display:flex; align-items:center; gap:12px; text-decoration:none; color:inherit; }

.nav .btn{ text-decoration:none; font-weight:600; padding:8px 12px; border-radius:8px; border:1px solid transparent; display:inline-block;}
.btn-ghost{ color:var(--muted); background:transparent; border:1px solid rgba(0,0,0,0.06); padding:8px 12px; border-radius:8px; }

.section{ padding:48px 0; }
.section--sm{ padding:40px 0; }
.section--large{ padding:96px 0; }

.hero-inner{ display:grid; grid-template-columns:1fr 320px; gap:40px; align-items:center; }
.hero-copy h1{ font-size:clamp(28px,5vw,44px); margin:0 0 10px; letter-spacing:-0.02em; font-weight:700; color:var(--dark); }
.lede{ color:var(--muted); margin:0 0 18px; max-width:60ch; }

.btn{ cursor:pointer; transition:background .3s, transform .3s; }
.btn-primary{
  background:linear-gradient(180deg,var(--accent),var(--accent-700));
  color:white;
  padding:12px 18px;
  border-radius:12px;
  text-decoration:none;
  display:inline-block;
  box-shadow: 0 6px 18px rgba(0,120,255,0.14);
  font-weight:600;
}
.btn-primary:hover{ transform:translateY(-2px); }

.btn-outline{
  background:transparent;
  border:1px solid rgba(0,0,0,0.08);
  padding:10px 14px;
  border-radius:10px;
  margin-left:10px;
  text-decoration:none;
  color:var(--dark);
}

.logo-card{
  width:260px;
  height:260px;
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 12px 30px rgba(15,15,15,0.06);
  transition:transform .7s cubic-bezier(.2,.9,.3,1);
  background: linear-gradient(180deg, rgba(0,120,255,0.05), rgba(0,120,255,0));
  border: 1px solid rgba(0,0,0,0.03);
}
.logo-card img{ max-width:70%; height:auto; transform:translateY(0); }

.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start; }
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:18px; }
.card{ border-radius:12px; padding:20px; background:linear-gradient(180deg,#fff,#f9faff); box-shadow: 0 6px 18px rgba(15,15,15,0.04); border:1px solid rgba(0,0,0,0.03); }
.card h4{ color:var(--accent-700); }

.cta{ text-align:center; background:linear-gradient(180deg, rgba(0,120,255,0.06), rgba(255,255,255,0)); border-top:1px solid rgba(0,0,0,0.02); }

.site-footer{ padding:20px 0; border-top:1px solid rgba(0,0,0,0.04); }
.footer-inner{ display:flex; justify-content:space-between; gap:12px; align-items:center; color:var(--muted); font-size:14px; }

@media (max-width:900px){
  .hero-inner{ grid-template-columns:1fr; text-align:center; }
  .logo-card{ margin:20px auto 0; }
  .grid-2{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr; }
  .header-inner{ padding:10px 0; }
}

.reveal{ opacity:0; transform: translateY(16px) scale(.998); transition: all 700ms cubic-bezier(.2,.9,.3,1); will-change:transform,opacity; }
.reveal.in{ opacity:1; transform:none; }

.logo-card:hover{ transform: translateY(-6px) rotate(-1deg); }

.sr-only{ position:absolute !important; height:1px; width:1px; overflow:hidden; clip:rect(1px,1px,1px,1px); white-space:nowrap; border:0; padding:0; margin:-1px; }