:root{
  --bg:#ffffff;
  --text:#0b1025;
  --muted:#4b556f;

  /* OPINA palette (approx.) */
  --opina-blue:#2b2f84;
  --opina-turq:#14c9c3;

  --line:#e7eaf3;
  --panel:#f6f8ff;
  --shadow:0 12px 32px rgba(17,24,39,.10);
  --radius:16px;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

/* Top Nav */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:16px;
}
.brand{display:flex; align-items:center; gap:12px}
.brand img{height:42px; width:auto; display:block}
.nav{
  display:flex; align-items:center; gap:22px;
}
.nav a{
  font-weight:800;
  color:var(--opina-blue);
  padding:10px 10px;
  border-radius:999px;
}
.nav a:hover{
  background:rgba(20,201,195,.10);
  color:var(--opina-blue);
}
.nav a.is-active{
  background:rgba(43,47,132,.10);
  border:1px solid rgba(43,47,132,.20);
}

/* Mobile menu */
.nav-toggle{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  margin:7px 10px;
  background:var(--opina-blue);
  opacity:.9;
}

/* Page */
main{padding:42px 0 60px}
.page-title{
  margin:0 0 10px;
  font-size: clamp(28px, 3.2vw, 40px);
  color:var(--opina-blue);
  letter-spacing:.2px;
}
.lead{margin:0 0 18px; color:var(--muted); max-width:80ch}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}
.grid{display:grid; gap:14px}
.grid--2{grid-template-columns: repeat(2, minmax(0,1fr))}
.grid--3{grid-template-columns: repeat(3, minmax(0,1fr))}

h2{
  margin:0 0 10px;
  color:var(--opina-blue);
  font-size:20px;
}
p{margin:0 0 12px; color:var(--text)}
.muted{color:var(--muted)}
.badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(20,201,195,.12);
  border:1px solid rgba(20,201,195,.22);
  color:var(--opina-blue);
  font-weight:800;
  font-size:12px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:11px 14px;
  border-radius:999px;
  font-weight:900;
  border:1px solid transparent;
  cursor:pointer;
}
.btn--primary{
  background:linear-gradient(135deg, rgba(20,201,195,.95), rgba(43,47,132,.95));
  color:white;
  box-shadow:var(--shadow);
}
.btn--ghost{
  border:1px solid rgba(43,47,132,.25);
  background:#fff;
  color:var(--opina-blue);
}
.btn--ghost:hover{background:rgba(43,47,132,.06)}
.hr{height:1px; background:var(--line); margin:16px 0}

.form-row{display:flex; flex-direction:column; gap:8px; margin-bottom:12px}
label{font-weight:900; font-size:13px; color:var(--opina-blue)}
input,textarea{
  padding:12px 12px;
  border-radius:12px;
  border:1px solid #d9def0;
  background:white;
  color:var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color:rgba(20,201,195,.8)}

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:var(--muted);
}
.footer__inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  text-align:center;
}

.footer__links{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
}

.footer__links a:hover{color:var(--opina-turq)}

/* Responsive */
@media (max-width: 860px){
  .nav-toggle{display:block}
  .nav{
    position:absolute;
    right:18px; top:68px;
    width:min(420px, calc(100vw - 36px));
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:white;
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
    box-shadow:var(--shadow);
  }
  .nav a{
    padding:14px 14px;
    border-radius:0;
    border-bottom:1px solid var(--line);
  }
  .nav a:last-child{border-bottom:none}
  .nav.nav--open{display:flex}
  .grid--3,.grid--2{grid-template-columns:1fr}
}


.brand-text{
  font-weight:900;
  letter-spacing:.4px;
  color:var(--opina-blue);
  font-size:14px;
  white-space:nowrap;
}


/* Layout fix */
main.container{
  min-height: calc(100vh - 160px);
}

.card{margin-bottom:40px}

/* Footer spacing */
.footer{
  margin-top:80px;
}


/* Center main content vertically more on short pages */
main.container{
  display:flex;
  flex-direction:column;
  justify-content:center;
}

/* About card centering */
.about-center{
  margin: 60px auto 120px auto;
  max-width:900px;
}


.footer-contact{
  width:100%;
  max-width:900px;
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  display:grid;
  gap:6px;
  text-align:center;
  justify-items:center;
}




/* Index clean layout */
.home-vm{padding:70px 0 90px;}
.home-vm .card{max-width:980px;margin:0 auto;}