/* ===============================
   DLB GLOBAL RESPONSIVE UI LAYER
================================ */
:root{
  --bg:#0b1220;
  --bg2:#0e1629;
  --card:#101a2f;
  --line:rgba(255,255,255,.08);
  --text:#e7eeff;
  --muted:#b9c6ff;
  --primary:#3b6bff;
  --accent:#63a3ff;
  --radius:16px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

/* ===== FULL PAGE BACKGROUND ===== */
body{
  margin:0;
  color:var(--text);
  font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.6;
  padding-bottom:96px;
  position:relative;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(99,163,255,.08), transparent 40%),
    radial-gradient(900px 500px at 90% 10%, rgba(59,107,255,.10), transparent 45%),
    linear-gradient(180deg,var(--bg2),var(--bg));
  background-attachment:fixed;
}

/* subtle grid texture */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px);
  background-size:40px 40px;
  z-index:-1;
}

/* ===== GLOBAL ELEMENT ===== */
a{color:#cfe1ff;text-decoration:none}
img{max-width:100%;display:block}

.container{
  max-width:1140px;
  margin:0 auto;
  padding:24px;
}

@media (min-width:1220px){.container{max-width:1200px}}
@media (min-width:1420px){.container{max-width:1280px}}

.section{
  padding:72px 0;
  background:transparent;
}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3{margin:0 0 12px}
h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:800;
  letter-spacing:.2px;
}
h2{
  font-size:clamp(1.5rem,3vw,2.2rem);
  font-weight:700;
}
p{color:var(--muted)}
.lead{font-size:clamp(1rem,2vw,1.2rem)}

/* ===== HEADER / TOPBAR ===== */
.header,
.topbar{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,18,32,.65);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

.header .container,
.topbar .container{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}

.brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
}
.brand img{height:28px}

.nav{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.nav-links{
  display:flex;
  gap:16px;
}

/* ===== BUTTON SYSTEM ===== */
.btn{
  display:inline-block;
  padding:12px 18px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  border:1px solid transparent;
  font-weight:600;
  transition:.2s ease;
}
.btn:hover{
  transform:translateY(-1px);
  box-shadow:0 8px 24px rgba(59,107,255,.25);
}
.btn.secondary{background:#1b2744;border-color:#2a3b66}
.btn.outline{background:transparent;border:1px solid var(--accent)}
.btn.ghost{background:transparent;border:1px dashed var(--line)}
.btn.danger{background:#c0392b}
.btn.block{width:100%}

/* ===== HERO ===== */
.hero{
  position:relative;
  border-bottom:1px solid var(--line);
}

.hero .slide{
  min-height:64vh;
  display:flex;
  align-items:center;
  background-image:
    linear-gradient(180deg,rgba(10,15,26,.65),rgba(10,15,26,.85)),
    url("https://images.unsplash.com/photo-1521737604893-d14cc237f11d");
  background-size:cover;
  background-position:center;
}

.hero .container{
  padding:80px 24px;
  position:relative;
}

/* ===== CARD ===== */
.card{
  background:linear-gradient(180deg,#0e1629,#0b1220);
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 12px 28px rgba(0,0,0,.35);
}

/* ===== GRID ===== */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){
  .grid-2,.grid-3{grid-template-columns:1fr}
}

/* ===== FORM ===== */
.form input,
.form select,
.form textarea{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid #203055;
  background:#0d1527;
  color:var(--text);
}
.form input:focus,
.form textarea:focus{
  outline:none;
  border-color:#436dff;
  box-shadow:0 0 0 3px rgba(67,109,255,.25);
}

/* ===== TABLE ===== */
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
}
.table th,
.table td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.table thead th{
  background:#0e1629;
  font-weight:700;
}
.table tr:last-child td{border-bottom:0}

/* ===== FOOTER ===== */
.footer{
  border-top:1px solid var(--line);
  background:rgba(11,18,32,.55);
  backdrop-filter:blur(6px);
  padding:24px 0;
  opacity:.85;
}

/* ===== WHATSAPP FLOAT ===== */
.wa-float{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:70;
  background:#25D366;
  color:#fff;
  border-radius:999px;
  padding:12px 16px;
  display:flex;
  gap:8px;
  align-items:center;
  box-shadow:0 12px 28px rgba(0,0,0,.35);
}

/* ===== MOBILE ===== */
@media(max-width:992px){
  .nav-links{display:none!important}
  .container{padding:18px}
}
@media(max-width:768px){
  .section{padding:48px 0}
  .btn{width:100%}
}