/* <style css main file/> */
:root{
  --teal:#0f766e;
  --teal-dark:#064e4a;
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e5e7eb;
  --gold:#facc15;
  --danger:#dc2626;
}

*{box-sizing:border-box;font-family:Inter,system-ui,-apple-system}
body{margin:0;background:white;color:var(--text); 
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ================= HEADER ================= */

#siteHeader{
  position:fixed;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:100%;
  height:80px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 2rem;
  z-index:1000;
  background:transparent;
  transition:
    width .5s ease,
    top .5s ease,
    background .3s ease,
    box-shadow .3s ease,
    border-radius .3s ease;
  will-change: width, top;
}

#siteHeader.scrolled{
  width:85%;
  top:30px;
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  background:rgba(157, 255, 247, 0.15);
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.35);
  box-shadow:0 8px 30px rgba(0,0,0,.08);
}

/* Light sweep (visual SAME, logic cleaner) */
#siteHeader.scrolled::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    120deg,
    rgba(255,255,255,0),
    rgba(255,255,255,.35),
    rgba(255,255,255,0)
  );
  transform:skewX(-25deg) translateX(-120%);
  transition:transform .8s ease;
  pointer-events:none;
}

#siteHeader.scrolled:hover::before{
  transform:skewX(-25deg) translateX(120%);
}

/* LOGO */
.logo{
  font-weight:800;
  font-size:1.4rem;
  text-decoration:none;
  background:linear-gradient(85deg,var(--teal-dark),var(--teal));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  white-space:nowrap;
}

/* NAV */
nav{display:flex;align-items:center;gap:1.5rem}

nav a{
  text-decoration:none;
  color:var(--teal-dark);
  font-weight:600;
  transition:color .2s ease;
}
nav a:hover{color:var(--gold)}

/* CTA */
.cta-btn{
  background:linear-gradient(135deg,var(--teal),var(--gold));
  color:var(--card);
  padding:1rem 2rem;
  border-radius:10px;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 8px 25px rgba(0,189,179,.25);
  position:relative;
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}

.cta-btn::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    120deg,
    rgba(255,255,255,0),
    rgba(255,255,255,.5),
    rgba(255,255,255,0)
  );
  transform:skewX(-25deg) translateX(-120%);
  transition:transform .6s ease;
}

.cta-btn:hover::before{
  transform:skewX(-25deg) translateX(120%);
}

.cta-btn:hover{
  transform:translateY(-2px);
  color:white;
  box-shadow:0 12px 35px rgba(0,189,179,.35);
}

/* HAMBURGER */
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:space-between;
  width:26px;
  height:20px;
  cursor:pointer;
}

.menu-toggle span{
  height:3px;
  background:var(--teal);
  border-radius:2px;
  transition:.3s;
}

.menu-toggle.active span:nth-child(1){
  transform:translateY(8px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2){
  opacity:0;
}
.menu-toggle.active span:nth-child(3){
  transform:translateY(-8px) rotate(-45deg);
}

/* MOBILE NAV */
.mobile-nav{
  position:fixed;
  inset:0;
  backdrop-filter:blur(30px);
  background:linear-gradient(
    135deg,
    rgba(224,248,246,.95),
    rgba(150,179,177,.95)
  );
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  transform:translateY(-100%);
  transition:transform .4s ease;
  z-index:999;
}

.mobile-nav.active{transform:translateY(0)}

.mobile-nav a{
  font-size:1.5rem;
  margin:1rem 0;
  color:var(--teal-dark);
  font-weight:700;
  text-decoration:none;
}
.mobile-nav a:hover{color:var(--gold)}

@media(max-width:900px){
  nav{display:none}
  .menu-toggle{display:flex}
}