* { margin:0; padding:0; box-sizing:border-box; }
:root{
  --fondo:#0b1220; --fondo2:#121c2e; --texto:#e8eef7;
  --acento:#00d1ff; --gris:#9fb0c5;
}
body{ font-family:'Segoe UI', Arial, sans-serif; background:var(--fondo); color:var(--texto); line-height:1.6; }
a{ text-decoration:none; color:inherit; }

/* NAVBAR */
.navbar{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px;
  padding:16px 6%; background:var(--fondo2); position:sticky; top:0; z-index:100;
  border-bottom:1px solid rgba(255,255,255,.08); }
.logo{ font-size:1.5rem; font-weight:700; }
.logo span{ color:var(--acento); }
.navbar nav{ display:flex; gap:22px; flex-wrap:wrap; }
.navbar nav a{ color:var(--gris); transition:.2s; }
.navbar nav a:hover{ color:var(--acento); }
.nav-auth{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.saludo{ color:var(--gris); font-size:.9rem; }

/* BOTONES */
.btn{ padding:9px 18px; border-radius:8px; font-weight:600; font-size:.9rem; transition:.2s; display:inline-block; }
.btn-primary{ background:var(--acento); color:#04121c; }
.btn-primary:hover{ background:#28dbff; }
.btn-outline{ border:1px solid var(--acento); color:var(--acento); }
.btn-outline:hover{ background:rgba(0,209,255,.1); }
.btn-grande{ padding:14px 28px; font-size:1rem; margin-top:18px; }

/* HERO */
.hero{ display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
  padding:70px 6%; background:linear-gradient(135deg,#0b1220,#15233b); }
.hero-texto{ flex:1; min-width:280px; }
.hero-texto h1{ font-size:2.6rem; line-height:1.2; }
.hero-texto h1 span{ color:var(--acento); }
.hero-texto p{ color:var(--gris); margin-top:16px; font-size:1.1rem; max-width:480px; }
.hero-img{ flex:1; min-width:280px; text-align:center; }
.hero-img img{ width:100%; max-width:520px; border-radius:14px; }

/* SECCIONES */
.seccion{ padding:60px 6%; }
.seccion h2{ font-size:2rem; text-align:center; margin-bottom:35px; }
.seccion.oscuro{ background:var(--fondo2); }

/* GRID PRODUCTOS */
.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:24px; }
.card{ background:var(--fondo2); border-radius:14px; overflow:hidden;
  border:1px solid rgba(255,255,255,.06); transition:.25s; }
.card:hover{ transform:translateY(-6px); border-color:var(--acento); }
.card img{ width:100%; height:170px; object-fit:cover; }
.card-body{ padding:18px; }
.card-body h3{ font-size:1.15rem; margin-bottom:6px; }
.card-body p{ color:var(--gris); font-size:.9rem; }
.precio{ color:var(--acento); font-weight:700; margin-top:10px; display:block; }

/* VIDEO */
#multimedia video{ display:block; width:100%; max-width:820px; margin:0 auto; border-radius:14px; }

/* NOSOTROS */
#nosotros p{ max-width:760px; margin:0 auto; text-align:center; color:var(--gris); font-size:1.05rem; }

/* FOOTER */
.footer{ background:#070d18; text-align:center; padding:26px; color:var(--gris); font-size:.9rem; }

/* FORMULARIOS */
.auth-contenedor{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:30px; }
.auth-caja{ background:var(--fondo2); padding:40px; border-radius:16px; width:100%; max-width:400px;
  border:1px solid rgba(255,255,255,.08); }
.auth-caja .logo{ text-align:center; margin-bottom:14px; }
.auth-caja h1{ text-align:center; margin-bottom:6px; font-size:1.5rem; }
.auth-caja label{ display:block; margin:14px 0 6px; font-size:.9rem; color:var(--gris); }
.auth-caja input{ width:100%; padding:12px; border-radius:8px; border:1px solid rgba(255,255,255,.15);
  background:#0b1220; color:var(--texto); }
.auth-caja input:focus{ outline:none; border-color:var(--acento); }
.auth-caja button{ width:100%; margin-top:22px; padding:13px; border:none; border-radius:8px;
  background:var(--acento); color:#04121c; font-weight:700; font-size:1rem; cursor:pointer; }
.auth-caja button:hover{ background:#28dbff; }
.auth-link{ text-align:center; margin-top:18px; font-size:.9rem; color:var(--gris); }
.auth-link a{ color:var(--acento); }
.mensaje{ background:rgba(255,80,80,.12); border:1px solid #ff5050; color:#ff9b9b;
  padding:10px; border-radius:8px; margin-top:16px; font-size:.9rem; text-align:center; }
.mensaje.ok{ background:rgba(0,209,255,.12); border-color:var(--acento); color:var(--acento); }

/* PANEL */
.panel{ padding:50px 6%; min-height:80vh; }
.panel h1{ margin-bottom:8px; }
.tabla{ width:100%; border-collapse:collapse; margin-top:24px; background:var(--fondo2);
  border-radius:12px; overflow:hidden; }
.tabla th, .tabla td{ padding:12px 16px; text-align:left; border-bottom:1px solid rgba(255,255,255,.07); }
.tabla th{ background:#0b1220; color:var(--acento); }

/* RESPONSIVO */
@media (max-width:768px){
  .hero-texto h1{ font-size:2rem; }
  .navbar{ justify-content:center; text-align:center; }
  .navbar nav{ justify-content:center; }
}