:root {
  --brand:#0a3d91;
  --brand2:#1fbfc8;
  --text:#0b203a;
  --card:#f4f8ff;
  --shadow:0 10px 30px rgba(16,42,86,.15);
  --radius:12px;
  font-family:Inter,system-ui,sans-serif;
}

/* RESET */
*{box-sizing:border-box;margin:0;padding:0}
body{color:var(--text);background:#fff;scroll-behavior:smooth}

/* Scroll progress bar */
#scroll-progress{
  position:fixed;top:0;left:0;height:3px;background:var(--brand2);width:0;z-index:999;
}

/* Top accent with moving line */
.top-strip{height:6px;background:linear-gradient(90deg,#0a3d91,#1fbfc8);}
.top-strip::after{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,transparent,#1fbfc8,transparent);
  background-size:200% 100%;animation:moveLine 2.5s linear infinite;
}
@keyframes moveLine{
  from{background-position:0 0;}
  to{background-position:200% 0;}
}

/* Navbar */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:.75rem 1rem;
  background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid #e7eef8;box-shadow:0 3px 12px rgba(0,0,0,.05);
  transition:all .3s ease;
}
.nav.scrolled{background:rgba(255,255,255,.96);padding:.5rem 1rem;}
.brand{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--brand);font-weight:700;}
.menu{display:flex;gap:1.25rem;align-items:center;}
.menu a{text-decoration:none;color:var(--brand);font-weight:500;transition:color .2s;}
.menu a:hover{color:var(--brand2);}
.menu-btn{display:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;background:none;border:none;padding:0;cursor:pointer;}
.bar{width:100%;height:3px;background:var(--brand);border-radius:2px;transition:all .3s;}

@media(max-width:768px){
  .menu{position:absolute;top:100%;right:0;display:none;flex-direction:column;background:#fff;width:220px;border-radius:8px;box-shadow:0 8px 20px rgba(0,0,0,.1);padding:.5rem 0;}
  .menu.open{display:flex;}
  .menu a{width:100%;padding:.75rem 1rem;border-bottom:1px solid #eee;}
  .menu a:last-child{border-bottom:none;}
  .menu-btn{display:flex;}
}

/* HERO */
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero{
  position:relative;overflow:hidden;color:#fff;text-align:center;
  height:clamp(120px,42vh,320px);
  background:linear-gradient(140deg,#0a3d91,#1fbfc8,#0a74d1);
  background-size:300% 300%;animation:gradientShift 15s ease infinite;
}
.hero-bg{position:absolute;inset:0;z-index:1;pointer-events:none;}
.bubbles{position:absolute;inset:0;overflow:hidden;z-index:0;}
.bubbles span{
  position:absolute;bottom:-40px;width:20px;height:20px;background:rgba(255,255,255,.2);border-radius:50%;animation:floatUp 12s linear infinite;
}
.bubbles span:nth-child(2){left:40%;width:10px;height:10px;animation-delay:4s;}
.bubbles span:nth-child(3){left:70%;width:25px;height:25px;animation-delay:7s;}
.bubbles span:nth-child(4){left:85%;width:14px;height:14px;animation-delay:2s;}
.bubbles span:nth-child(5){left:20%;width:18px;height:18px;animation-delay:5s;}
@keyframes floatUp{
  0%{transform:translateY(0) scale(1);opacity:.7;}
  100%{transform:translateY(-100vh) scale(1.4);opacity:0;}
}

/* Glass box (perfectly centered) */
.hero-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  max-width: 700px;
  color: #fff;
}
.glass{
  background:rgba(255,255,255,.25);backdrop-filter:blur(12px);
  border-radius:12px;padding:1.5rem 2rem;box-shadow:0 0 15px rgba(255,255,255,.1);
}
.hero h1{margin-bottom:.75rem;font-size:clamp(28px,4vw,40px);font-weight:700;}
.hero p{font-size:clamp(14px,1.4vw,18px);margin-bottom:1.25rem;line-height:1.5;}

/* Buttons */
.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:6px;font-weight:600;text-decoration:none;transition:all .25s;}
.btn.primary{background:#fff;color:var(--brand);}
.btn.primary:hover{background:#e6f2ff;box-shadow:0 4px 15px rgba(31,191,200,.4);transform:translateY(-1px);}
.btn.ghost{border:2px solid #fff;color:#fff;margin-left:.5rem;}
.btn.ghost:hover{background:#fff;color:var(--brand);transform:translateY(-1px);}

/* Divider wave (no gap) */
.divider{
  display:block;width:100%;height:26px;margin:-12px 0 0;line-height:0;
}
.divider path{transform:translateY(1px);} /* crisp edge */

/* Features */
.features{
  margin-top:0;
  padding:2.25rem 1rem;background:#fff;
  display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
}
.feature{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease,box-shadow .3s;}
.feature:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(31,191,200,.35);}
.feature img{width:100%;height:160px;object-fit:cover;}
.feature h3{color:var(--brand);margin:1rem;}
.feature p{margin:0 1rem 1.25rem;}

/* CTA */
.cta-bar{background:linear-gradient(90deg,#0a3d91 0%,#1fbfc8 100%);color:#fff;text-align:center;padding:2rem 1rem;}
.cta-btn{
  display:inline-block;background:#fff;color:var(--brand);
  padding:.75rem 1.5rem;border-radius:6px;font-weight:600;text-decoration:none;
  animation:pulse 2.5s infinite;
}
.cta-btn:hover{background:#e6f2ff;box-shadow:0 4px 12px rgba(0,0,0,.15);}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(31,191,200,.5);}
  50%{box-shadow:0 0 15px 6px rgba(31,191,200,0);}
}

/* Footer */
.site-footer{background:#0a3d91;color:#fff;text-align:center;padding:1.25rem;font-size:.95rem;}

/* Fade-ins */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}