/* Prueba */
/* ====== Variables y base ====== */
:root {
  --bg: #0c1219;
  --panel: #111821;
  --line: rgba(255,255,255,.1);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --brand: #7cf3e3;
  --brand-2: #5be1ff;
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; vertical-align: middle; }
h1,h2,h3,p { margin: 0; }

/* ====== Layout principal ====== */
.site-header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
}
.brand img { filter: drop-shadow(0 0 8px rgba(124,243,227,.3)); }
.main-nav { display: flex; align-items: center; gap: 1.5rem; }
.main-nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.main-nav a:hover { color: var(--text); }

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ====== Componentes ====== */
.btn {
  padding: .7rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.btn:hover { 
  background: rgba(255,255,255,.1);
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.btn:active { transform: scale(.97); }
.btn.primary {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  border-color: transparent;
  color: #001114;
  box-shadow: 0 6px 20px rgba(91,225,255,.25);
}
.btn.ghost { background: transparent; }

/* ====== Secciones ====== */
.hero { text-align: center; padding: 3rem 0; position: relative; overflow: hidden; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.1; }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 650px; margin: 1rem auto 1.5rem; }
.hero .lead strong { color: var(--text); font-weight: 600; }
.cta-row { display: flex; justify-content: center; gap: 1rem; }
.hero-badges { list-style: none; padding: 0; display: flex; justify-content: center; gap: 1.5rem; margin-top: 2.5rem; font-size: .9rem; color: var(--muted); }
.hero-badges li strong { color: var(--brand); font-weight: 600; }

.section { padding: 3rem 0; }
.section h2 { font-size: 2rem; text-align: center; margin-bottom: 2rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; text-align: center; }
.card-icon { font-size: 2rem; margin-bottom: 1rem; }
.card h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.card p { color: var(--muted); }

.use-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.use-item { 
  background: var(--panel); 
  border: 1px solid var(--line); 
  border-radius: 16px; 
  padding: 1.5rem; 
  text-align: center; 
}
.use-icon { font-size: 2rem; margin-bottom: 1rem; }
.use-item h3 { font-size: 1.1rem; margin-bottom: .25rem; }
.use-item p { color: var(--muted); }

/* ====== Footer ====== */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

/* ====== FORM UI mejorado (a juego con la landing) ====== */
.modal{border:none;border-radius:20px;padding:0;max-width:820px;width:92vw;background:transparent}
.modal::backdrop{background:rgba(0,0,0,.6)}

.form-card{
  position:relative;
  border-radius:20px;
  /* Borde degradado + fondo panel */
  background:
    linear-gradient(var(--panel),var(--panel)) padding-box,
    linear-gradient(135deg, rgba(124,243,227,.35), rgba(91,225,255,.25)) border-box;
  border:1px solid transparent;
  box-shadow: 0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.03);
  padding:22px;
}
.form-card .close{
  position:absolute;right:12px;top:12px;border:none;background:transparent;
  color:var(--muted);font-size:1.15rem;cursor:pointer;border-radius:10px;padding:2px 6px;
}
.form-card .close:hover{background:rgba(255,255,255,.05)}

.form-header{display:grid;gap:6px;margin:4px 0 16px}
.form-header h3{margin:0; color: var(--text);}
.form-header p{color: var(--muted);}
.brand-mini{display:flex;align-items:center;gap:10px;color:#dff7ff;font-weight:700}
.brand-mini img{filter:drop-shadow(0 0 10px rgba(124,243,227,.3))}

.group{
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  margin:14px 0;
}
.group-title{
  margin:0 0 10px;
  font-size:1rem;
  letter-spacing:.2px;
  color:#d8edf8;
  position:relative;
  padding-left:12px;
}
.group-title::before{
  content:""; position:absolute; left:0; top:.45em;
  width:6px; height:6px; border-radius:50%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 12px rgba(124,243,227,.5);
}

.subtle{color:var(--muted);font-size:.9rem;margin-bottom:6px}

.group-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.group-grid label{display:flex;flex-direction:column;gap:6px}

.form-card label{color:#d4e7f3}
.form-card input,.form-card select{
  width:100%; padding:.75rem .9rem; border-radius:12px;
  border:1px solid var(--line); background:#0c1219; color:var(--text);
  outline:none; transition: border-color .15s, box-shadow .15s, transform .05s;
}
.form-card input:focus,.form-card select:focus{
  border-color: rgba(124,243,227,.6);
  box-shadow: 0 0 0 3px rgba(124,243,227,.15);
}

/* Select estilizado */
.form-card select{
  appearance:none; -webkit-appearance:none; -moz-appearance:none;
  background-image:
    url("data:image/svg+xml,%3Csvg width='18' height='18' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 7l5 5 5-5' stroke='%23a8dfea' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:18px;
  padding-right:40px;
  cursor:pointer;
}
.form-card select:hover {
  border-color: rgba(124,243,227,.4);
}

/* Chips (checkbox bonitos) */
.chips-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}
.group-grid .chips-grid {
  grid-template-columns: 1fr;
}
.chip-check{position:relative;display:flex;align-items:center;justify-content:flex-start;}
.chip-check input{position:absolute;opacity:0;pointer-events:none}
.chip-check span{
  color:#d9f4ff; font-size:.95rem; position:relative;
  padding-right:54px; /* Espacio para el interruptor */
  flex-grow: 1;
}
.chip-check{
  cursor:pointer;
  background:rgba(255,255,255,.03); border:1px solid var(--line);
  border-radius:12px; padding:.6rem .8rem;
  transition:background .15s, border-color .15s;
}
.chip-check:hover{
  border-color:rgba(124,243,227,.4); background:rgba(255,255,255,.05);
}
/* El track del interruptor */
.chip-check span::after{
  content:""; position:absolute; top:50%; right:0;
  transform:translateY(-50%); width:44px; height:24px;
  background-color:rgba(255,255,255,.1); border-radius:999px;
  border:1px solid var(--line); transition:background-color .2s;
}
/* El círculo del interruptor */
.chip-check span::before{
  content:""; position:absolute; z-index:1; top:50%; right:22px;
  transform:translateY(-50%); width:18px; height:18px;
  background-color:#b0c5d1; border-radius:50%;
  transition:transform .2s, background-color .2s;
}
.chip-check input:checked + span::after{
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  border-color:transparent;
}
.chip-check input:checked + span::before{
  transform:translate(20px, -50%); background-color:#001114;
}
.chip-check input:focus-visible + span::after{
  box-shadow:0 0 0 3px rgba(124,243,227,.15);
}

.check{display:flex;gap:10px;align-items:center;margin-top:6px;cursor:pointer}
.check input[type="checkbox"]{
  appearance:none; -webkit-appearance:none; position:relative;
  width:1.25em; height:1.25em; border:1px solid var(--line);
  border-radius:6px; background:#0c1219; cursor:pointer;
  transition:background .15s, border-color .15s; flex-shrink:0;
}
.check input[type="checkbox"]:hover{border-color:rgba(124,243,227,.6)}
.check input[type="checkbox"]:checked{
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  border-color:transparent;
}
.check input[type="checkbox"]::before{
  content:'✓'; position:absolute; top:50%; left:50%;
  transform:translate(-50%, -50%) scale(0); color:#001114;
  font-weight:bold; font-size:.9em; transition:transform .15s ease-in-out;
}
.check input[type="checkbox"]:checked::before{transform:translate(-50%, -50%) scale(1)}
.form-note{min-height:1.4em;color:var(--muted);margin-top:10px}

.actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}

/* Responsive */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: auto;
    right: 0;
    width: 50%;
    max-width: 250px;
    background: #1f2937;
    border: 1px solid var(--line);
    border-radius: 12px;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
  }
  .main-nav a, .main-nav button {
    text-align: left;
  }
  .nav-open .main-nav {
    display: flex;
  }
  .mobile-nav-toggle {
    display: block;
    margin-left: auto;
  }
}

@media (max-width:800px){
  .group-grid{grid-template-columns:1fr}
}

@media (max-width:560px){
  .form-card{padding:16px}
  .group-grid{gap:10px}
  .chips-grid{grid-template-columns:1fr}
}