:root{
  --vino:#7A1F33;
  --vino-claro:#A2344F;
  --beige:#F6E7D8;
  --beige-claro:#FFF3E7;
  --texto:#3A2C2B;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:Poppins,system-ui,sans-serif;
  background:var(--beige);
  color:var(--texto);
}

/* =========================
        HEADER
========================= */
header{
  background:linear-gradient(135deg,var(--vino),var(--vino-claro));
  color:#fff;
  padding:14px 18px;

  display:flex;
  justify-content:space-between;
  align-items:center;

  position:sticky;
  top:0;
  z-index:10;
  box-shadow:0 4px 14px rgba(0,0,0,.20);
}

/* Logo */
.logo{
  display:flex;
  align-items:center;
  font-size:1.3rem;
  font-weight:700;
  gap:10px;
}

.header-logo {
  width: 35px;
  height: 35px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.cuadro{
  background:#fff;
  color:var(--vino);
  padding:6px 12px;
  border-radius:10px;
  font-weight:800;
  box-shadow:0 3px 6px rgba(0,0,0,.15);
}

header a{
  background:#ffffff22;
  color:#fff;
  text-decoration:none;
  padding:9px 14px;
  border-radius:10px;
  font-weight:700;
  transition:.25s;
}

header a:hover{
  background:#ffffff44;
  transform:scale(1.05);
}

/* =========================
        FORMULARIO
========================= */
.wrap{
  min-height:calc(100dvh - 60px);
  display:grid;
  place-items:center;
  padding:20px;
}

.card{
  width:100%;
  max-width:520px;
  background:var(--beige-claro);
  border:1px solid #e0c9c2;
  border-radius:18px;
  padding:22px;
  box-shadow:0 12px 30px rgba(122,31,51,.18);
}

h1{
  margin:0 0 10px;
  font-size:1.35rem;
  color:var(--vino);
}

.sub{
  color:#6d5f5f;
  margin-bottom:18px;
  font-size:1rem;
}

label{
  display:block;
  font-weight:600;
  margin:10px 0 6px;
  color:var(--vino);
}

input,
select{
  width:100%;
  padding:12px;
  border:1px solid #d3b8b0;
  border-radius:12px;
  outline:0;
  font-size:1rem;
  background:#fff;
  color:var(--texto);
}

select{ cursor:pointer; }

/* Botón */
.btn{
  width:100%;
  margin-top:18px;
  padding:12px;
  border:0;
  border-radius:12px;
  font-weight:700;
  cursor:pointer;
  background:linear-gradient(135deg,var(--vino),var(--vino-claro));
  color:#fff;
  box-shadow:0 12px 24px rgba(122,31,51,.25);
  transition:.25s;
}

.btn:hover{
  background:linear-gradient(135deg,var(--vino-claro),var(--vino));
  transform:scale(1.04);
}

/* Mensajes */
.msg{
  margin-top:12px;
  padding:10px;
  border-radius:10px;
}

.error{
  background:#ffe8e8;
  border:1px solid #ffbcbc;
  color:#b00020;
}

.ok{
  background:#e8fff0;
  border:1px solid #b2f5cc;
  color:#0e7a3b;
}

/* Ayuda */
.help{
  margin-top:12px;
  font-size:.9rem;
  text-align:center;
}

.help a{
  color:var(--vino);
  text-decoration:none;
  font-weight:600;
}

.help a:hover{
  text-decoration:underline;
}

/* Filas */
.row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}

/* Responsivo */
@media(max-width:768px){
  header{
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
  }

  .wrap{
    padding: 15px;
  }

  .card{
    max-width: 480px;
    padding: 20px;
  }

  .row{
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media(max-width:560px){
  .row{
    grid-template-columns:1fr;
  }

  .logo{
    font-size:1.15rem;
  }
  
  .header-logo {
    width: 30px;
    height: 30px;
  }

  .cuadro{
    padding:5px 10px;
  }

  .wrap{
    padding: 12px;
  }

  .card{
    padding: 18px;
    max-width: 100%;
  }

  h1{
    font-size: 1.25rem;
  }

  .sub{
    font-size: 0.95rem;
  }

  input, select{
    padding: 10px;
    font-size: 0.95rem;
  }

  .btn{
    padding: 10px;
    font-size: 0.95rem;
  }
}

@media(max-width:320px){
  header{
    padding: 10px 12px;
  }
  
  .header-logo {
    width: 25px;
    height: 25px;
  }

  .wrap{
    padding: 8px;
  }

  .card{
    padding: 15px;
  }

  h1{
    font-size: 1.15rem;
  }

  input, select, .btn{
    padding: 9px;
    font-size: 0.9rem;
  }
}

/* ===== PANTALLAS MUY PEQUEÑAS ===== */
@media (max-width: 360px) {
  .header-logo {
    width: 22px;
    height: 22px;
  }
  
  .logo {
    font-size: 1rem;
  }
  
  .card {
    padding: 12px;
    margin: 8px;
  }
  
  h1 {
    font-size: 1.1rem;
  }
  
  .sub {
    font-size: 0.85rem;
  }
  
  input, select, .btn {
    padding: 8px;
    font-size: 0.85rem;
  }
}