:root{
  --bg:#0b1220;
  --bg2:#0f1a30;
  --card:#101c34;
  --text:#e8eefc;
  --muted:#b8c2dc;
  --line:rgba(232,238,252,.12);
  --accent:#7aa7ff;
  --accent2:#7cf0c6;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;}
body{
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 800px at 20% 0%, rgba(122,167,255,.20), transparent 60%),
              radial-gradient(900px 600px at 90% 10%, rgba(124,240,198,.14), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
  line-height:1.6;
  min-height: 100vh;
}

a{color:inherit;text-decoration:none; transition: opacity 0.2s;}
a:hover{opacity:0.8;}
.container{width:min(1120px, 92%); margin:0 auto}

.header{
  position:sticky; top:0; z-index:50;
  background: rgba(11,18,32,.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.logo{
  font-weight:900;
  letter-spacing:.4px;
}
.logo-accent{color:var(--accent2)}
.nav-links{display:flex; gap:18px; align-items:center}
.nav-links a{opacity:.9; font-weight: 500;}
.nav-links a:hover{opacity:1; color: var(--accent2);}

.menu-btn{
  display:none;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  padding:8px 10px;
  border-radius:12px;
  cursor:pointer;
}

.hero{padding:58px 0 34px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:32px;
  align-items:start;
}
.eyebrow{color:var(--accent2); font-weight:800; margin:0 0 10px; text-transform: uppercase; letter-spacing: 1px; font-size: 0.85rem;}
h1{font-size: clamp(34px, 4vw, 50px); line-height:1.08; margin:0 0 14px}
h2{font-size: clamp(26px, 3vw, 36px); margin:0 0 8px}
h3{margin:0 0 8px}
.lead{color:var(--muted); font-size:1.06rem; margin:0 0 18px}
.subhead{color:var(--muted); margin:0 0 22px; font-size: 1.1rem;}

.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin:16px 0 24px}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(122,167,255,.95), rgba(124,240,198,.85));
  color:#08101f;
  font-weight:900;
  border:none;
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover{transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.35); opacity: 1;}
.btn.ghost{
  background: transparent;
  border:1px solid var(--line);
  color:var(--text);
  box-shadow:none;
}
.btn.ghost:hover{
  background: rgba(255,255,255,0.05);
}

.card{
  background: rgba(16,28,52,.72);
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding:24px;
}
.card-title{margin:0 0 16px}

.section{padding:56px 0}
.section.alt{
  background: rgba(255,255,255,.02);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.split{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:32px;
  align-items:start;
}

.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}

.feature{
  padding:24px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16,28,52,.42);
  transition: transform 0.2s;
}
.feature:hover{
  transform: translateY(-4px);
  border-color: rgba(124,240,198,.3);
}
.feature h3{margin:0 0 10px; color: var(--text);}
.feature p{margin:0; color:var(--muted); font-size: 0.95rem;}

.list{padding-left: 20px; margin:10px 0}
.list li{margin:8px 0; color: var(--muted);}
.list li strong{color: var(--text);}
.muted{color:var(--muted)}

.divider{
  height:1px;
  background: var(--line);
  margin:20px 0;
}

.checklist{
  list-style:none;
  padding:0;
  margin:0;
}
.checklist li{
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius: 14px;
  background: rgba(16,28,52,.35);
  margin:12px 0;
  color: var(--muted);
}
.checklist li strong{ color: var(--text); display: block; margin-bottom: 4px; font-size: 1.05rem;}
.checklist li::before{
  content:"✓";
  float: left;
  margin-right:12px;
  color: var(--accent2);
  font-weight:900;
  font-size: 1.2rem;
}

.mini-stats{
  display:flex; gap:14px; flex-wrap:wrap;
  margin-top:24px;
}
.stat{
  border:1px solid var(--line);
  border-radius: 14px;
  padding:12px 16px;
  background: rgba(16,28,52,.35);
  min-width: 140px;
}
.stat-num{font-weight:900; font-size:1.1rem; color: var(--accent2);}
.stat-label{color:var(--muted); font-size:.92rem}

.contact-grid{
  display:grid;
  grid-template-columns: 1fr;
  max-width: 600px;
  margin: 0 auto;
}

form label{display:block; font-weight:700; margin:16px 0 8px; font-size: 0.95rem;}
form input, form textarea{
  width:100%;
  padding:12px 16px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(11,18,32,.55);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  outline:none;
  transition: border-color 0.2s;
}
form input:focus, form textarea:focus{border-color: rgba(124,240,198,.55);}
form button.btn{margin-top:20px; width: 100%; font-size: 1.1rem;}

.footer{
  border-top:1px solid var(--line);
  padding:24px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.whatsapp{
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--accent2);
  background: rgba(16,28,52,.95);
  color: var(--accent2);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  font-weight: 800;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.2s, background 0.2s;
}
.whatsapp:hover{
  transform: translateY(-2px);
  background: var(--accent2);
  color: #08101f;
}

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

/* --- SPA PAGE TRANSITION LOGIC --- */
.page-section {
  display: none;
  animation: fadeIn 0.3s ease-in forwards;
}

.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 900px){
  .hero-grid, .split{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr; gap: 16px;}
  .menu-btn{display:inline-flex}
  .nav-links{
    display:none;
    position:absolute;
    right:4%;
    top:65px;
    background: rgba(16,28,52,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border:1px solid var(--line);
    border-radius: 14px;
    padding:16px;
    flex-direction:column;
    gap:16px;
    width:min(260px, 92vw);
    box-shadow: var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a.btn { width: 100%; text-align: center; }
  .whatsapp { right: 16px; bottom: 16px; padding: 10px 16px; }
}