:root{
  --bg: #060c1f;
  --bg-2: #0a1230;
  --surface: #0d1638;
  --surface-2: #101a42;
  --border: rgba(120,150,255,0.14);
  --text: #eaf0ff;
  --text-dim: #9fb0d9;
  --text-mute: #6d7ba8;
  --blue-1: #2f6bff;
  --blue-2: #5ea3ff;
  --blue-3: #7bd3ff;
  --cyan: #4be3d0;
  --grad: linear-gradient(120deg, var(--blue-1), var(--blue-3));
  --shadow-glow: 0 0 60px rgba(47,107,255,0.25);
  --radius: 18px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
  line-height:1.5;
}
h1,h2,h3,h4,.logo{font-family:'Space Grotesk', 'Inter', sans-serif;}
a{text-decoration:none; color:inherit;}
ul{list-style:none;}
img{max-width:100%; display:block;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* NEURAL BACKGROUND */
#neural-bg{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  background: radial-gradient(ellipse at 20% -10%, #0e1c4a 0%, var(--bg) 55%);
  pointer-events:none;
}

/* NAVBAR */
.navbar{
  position:sticky; top:0; z-index:100;
  backdrop-filter: blur(14px);
  background: rgba(6,12,31,0.72);
  border-bottom:1px solid var(--border);
}
.navbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-size:1.2rem; font-weight:600; letter-spacing:-0.02em;
}
.logo strong{color:var(--blue-2); font-weight:700;}
.logo-mark{display:flex; align-items:center;}
.node-a{fill:var(--blue-3);}
.node-b{fill:var(--blue-2);}
.node-c{fill:var(--cyan);}
.edge{stroke:var(--blue-1); stroke-width:1.2; opacity:0.6;}

.nav-links{display:flex; gap:36px;}
.nav-links a{
  font-size:0.94rem; color:var(--text-dim); font-weight:500;
  transition:color .2s;
  position:relative;
}
.nav-links a:hover{color:var(--text);}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-6px; width:0; height:2px;
  background:var(--grad); transition:width .25s;
}
.nav-links a:hover::after{width:100%;}

.navbar-actions{display:flex; align-items:center; gap:12px;}

.btn{
  font-family:inherit; font-weight:600; font-size:0.92rem;
  padding:10px 20px; border-radius:10px; border:none; cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(0.97);}
.btn-ghost{background:transparent; color:var(--text-dim);}
.btn-ghost:hover{color:var(--text);}
.btn-primary{
  background:var(--grad); color:#04102b;
  box-shadow:0 8px 24px rgba(47,107,255,0.35);
}
.btn-primary:hover{box-shadow:0 10px 30px rgba(47,107,255,0.5); transform:translateY(-1px);}
.btn-outline{
  background:transparent; color:var(--text);
  border:1px solid var(--border);
}
.btn-outline:hover{border-color:var(--blue-2); background:rgba(94,163,255,0.08);}
.btn-lg{padding:14px 28px; font-size:1rem; border-radius:12px;}
.btn-full{width:100%;}

.hamburger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;
}
.hamburger span{width:22px; height:2px; background:var(--text); border-radius:2px;}

/* HERO */
.hero{
  position:relative; z-index:1;
  padding:100px 0 60px;
}
.hero-inner{
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap:50px; align-items:center;
}
.pill{
  display:inline-block; padding:7px 16px; border-radius:999px;
  background:rgba(47,107,255,0.12); border:1px solid rgba(94,163,255,0.3);
  color:var(--blue-3); font-size:0.8rem; font-weight:600; letter-spacing:0.02em;
  margin-bottom:22px;
}
.hero-text h1{
  font-size:3.1rem; line-height:1.12; font-weight:700; letter-spacing:-0.02em;
  margin-bottom:22px;
}
.hero-sub{
  color:var(--text-dim); font-size:1.08rem; max-width:520px; margin-bottom:34px;
}
.hero-cta{display:flex; gap:14px; margin-bottom:50px; flex-wrap:wrap;}
.hero-stats{display:flex; gap:44px;}
.hero-stats div{display:flex; flex-direction:column;}
.hero-stats strong{font-size:1.6rem; font-weight:700; color:var(--text);}
.hero-stats span{font-size:0.82rem; color:var(--text-mute);}

/* HERO VISUAL */
.hero-visual{position:relative; height:460px;}
.glow{
  position:absolute; inset:0; margin:auto; width:340px; height:340px;
  background:radial-gradient(circle, rgba(47,107,255,0.35), transparent 70%);
  filter:blur(20px);
}
.hud-card{
  position:absolute;
  background:rgba(13,22,56,0.75);
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  backdrop-filter:blur(10px);
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
}
.hud-1{top:8%; left:4%; width:210px; animation:float 6s ease-in-out infinite;}
.hud-2{bottom:14%; left:18%; width:150px; text-align:center; animation:float 7s ease-in-out infinite 0.5s;}
.hud-3{top:38%; right:0; width:230px; animation:float 6.5s ease-in-out infinite 1s;}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-12px);}
}
.hud-title{font-size:0.82rem; color:var(--text-dim); margin-bottom:14px; font-weight:600;}
.hud-bars{display:flex; align-items:flex-end; gap:8px; height:60px;}
.hud-bar{flex:1; background:rgba(255,255,255,0.06); border-radius:4px; height:100%; display:flex; align-items:flex-end; overflow:hidden;}
.hud-bar span{width:100%; height:var(--v); background:var(--grad); border-radius:4px; display:block;}
.hud-ring{position:relative; width:80px; height:80px; margin:0 auto 10px;}
.hud-ring svg{width:100%; height:100%; transform:rotate(-90deg);}
.ring-bg{fill:none; stroke:rgba(255,255,255,0.08); stroke-width:3;}
.ring-fg{fill:none; stroke:url(#none); stroke:var(--blue-3); stroke-width:3; stroke-dasharray:94 100; stroke-linecap:round;}
.hud-ring span{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:1.3rem; color:var(--text);
}
.hud-caption{font-size:0.78rem; color:var(--text-mute); text-align:center;}
.hud-wave{width:100%; height:44px; margin-bottom:8px;}
.hud-wave polyline{fill:none; stroke:var(--cyan); stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}

/* LOGOS STRIP */
.logos-strip{
  position:relative; z-index:1;
  padding:36px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background:rgba(255,255,255,0.015);
}
.logos-label{
  text-align:center; font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--text-mute); margin-bottom:20px;
}
.logos-row{
  display:flex; justify-content:center; gap:44px; flex-wrap:wrap;
}
.logos-row span{
  color:var(--text-mute); font-weight:600; font-size:0.95rem; opacity:0.7;
  transition:opacity .2s, color .2s;
}
.logos-row span:hover{opacity:1; color:var(--blue-2);}

/* SECTION GENERIC */
.section{
  position:relative; z-index:1;
  padding:110px 0;
}
.eyebrow{
  display:inline-block; color:var(--blue-3); font-weight:700; font-size:0.82rem;
  letter-spacing:0.08em; text-transform:uppercase; margin-bottom:14px;
}
.section-head{max-width:640px; margin:0 auto 60px; text-align:center;}
.section-head h2{font-size:2.3rem; margin-bottom:14px; letter-spacing:-0.01em;}
.section-sub{color:var(--text-dim); font-size:1.05rem;}

/* NOSOTROS */
.two-col{display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; align-items:center;}
.col-text h2{font-size:2.2rem; margin-bottom:20px; letter-spacing:-0.01em;}
.col-text p{color:var(--text-dim); font-size:1.05rem; margin-bottom:28px;}
.about-list li{
  display:flex; align-items:center; gap:12px; padding:10px 0; color:var(--text);
  border-bottom:1px solid var(--border); font-size:0.98rem;
}
.about-list li:last-child{border-bottom:none;}
.check{
  width:22px; height:22px; border-radius:50%; background:rgba(75,227,208,0.15); color:var(--cyan);
  display:flex; align-items:center; justify-content:center; font-size:0.75rem; flex-shrink:0;
}
.about-graphic{
  position:relative; aspect-ratio:1/1; border-radius:24px;
  background:radial-gradient(circle at 30% 30%, rgba(47,107,255,0.18), transparent 60%), var(--surface);
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.brain-net{width:80%; height:80%;}

/* SERVICIOS */
.cards-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.service-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 26px;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(94,163,255,0.4);
  box-shadow:0 20px 40px rgba(6,12,31,0.5);
}
.service-icon{
  width:52px; height:52px; border-radius:14px;
  background:linear-gradient(135deg, rgba(47,107,255,0.2), rgba(75,227,208,0.15));
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
}
.service-icon svg{width:26px; height:26px; fill:none; stroke:var(--blue-3); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round;}
.service-card h3{font-size:1.15rem; margin-bottom:10px; font-weight:600;}
.service-card p{color:var(--text-dim); font-size:0.94rem;}

/* EMPRESAS */
.partners-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:20px; margin-bottom:60px;
}
.partner-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px;
  display:flex; align-items:center; gap:16px;
  transition:border-color .2s, transform .2s;
}
.partner-card:hover{border-color:rgba(94,163,255,0.4); transform:translateY(-3px);}
.partner-avatar{
  width:48px; height:48px; border-radius:12px; flex-shrink:0;
  background:var(--grad); color:#04102b; font-weight:700; font-size:0.95rem;
  display:flex; align-items:center; justify-content:center;
}
.partner-card h4{font-size:1rem; font-weight:600; margin-bottom:4px;}
.partner-card span{font-size:0.85rem; color:var(--text-mute);}

.cta-banner{
  background:linear-gradient(120deg, rgba(47,107,255,0.16), rgba(75,227,208,0.08));
  border:1px solid var(--border);
  border-radius:24px;
  padding:44px 48px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-banner h3{font-size:1.4rem; margin-bottom:8px;}
.cta-banner p{color:var(--text-dim);}

/* FOOTER */
.footer{
  position:relative; z-index:1;
  border-top:1px solid var(--border);
  padding:70px 0 0;
  background:var(--bg-2);
}
.footer-inner{
  display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:50px; padding-bottom:50px;
}
.footer-brand p{color:var(--text-mute); margin-top:16px; font-size:0.92rem; max-width:320px;}
.footer-col h5{font-size:0.85rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-mute); margin-bottom:18px;}
.footer-col a{display:block; color:var(--text-dim); font-size:0.94rem; padding:6px 0; transition:color .2s;}
.footer-col a:hover{color:var(--blue-2);}
.footer-bottom{
  display:flex; justify-content:space-between; padding:22px 0; border-top:1px solid var(--border);
  font-size:0.82rem; color:var(--text-mute); flex-wrap:wrap; gap:10px;
}

/* LOGIN MODAL */
.modal-overlay{
  position:fixed; inset:0; z-index:200;
  background:rgba(3,7,20,0.7);
  backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.modal-overlay.open{opacity:1; pointer-events:auto;}
.modal{
  width:100%; max-width:400px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:20px;
  padding:36px 32px;
  position:relative;
  transform:translateY(16px) scale(0.98);
  transition:transform .25s ease;
  box-shadow:0 30px 80px rgba(0,0,0,0.5);
}
.modal-overlay.open .modal{transform:translateY(0) scale(1);}
.modal-close{
  position:absolute; top:16px; right:16px; background:none; border:none; color:var(--text-mute);
  font-size:1rem; cursor:pointer;
}
.modal-close:hover{color:var(--text);}
.modal-logo{display:flex; justify-content:center; margin-bottom:16px;}
.modal h3{text-align:center; font-size:1.35rem; margin-bottom:6px;}
.modal-sub{text-align:center; color:var(--text-mute); font-size:0.9rem; margin-bottom:28px;}
#loginForm label{display:block; font-size:0.85rem; color:var(--text-dim); margin-bottom:8px; font-weight:500;}
#loginForm input{
  width:100%; padding:12px 14px; margin-bottom:20px; border-radius:10px;
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  font-family:inherit; font-size:0.95rem; outline:none;
  transition:border-color .2s;
}
#loginForm input:focus{border-color:var(--blue-2);}
.modal-error{
  display:none;
  color:#ff8a8a; background:rgba(255,90,90,0.1); border:1px solid rgba(255,90,90,0.3);
  border-radius:8px; padding:9px 12px; font-size:0.85rem; margin:-8px 0 18px;
}
.modal-error.show{display:block;}
.modal-forgot{
  display:block; text-align:center; margin-top:18px; font-size:0.87rem; color:var(--blue-3);
}
.modal-forgot:hover{text-decoration:underline;}

/* ============ ADMIN PANEL ============ */
.admin-body{ padding:40px 24px 80px; }
.admin-shell{ max-width:1100px; margin:0 auto; position:relative; z-index:1; }
.admin-header{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:28px; flex-wrap:wrap; gap:16px;
}
.admin-header-right{ display:flex; align-items:center; gap:16px; }
.admin-welcome{ color:var(--text-dim); font-size:0.92rem; }

.config-warning{
  background:rgba(255,180,60,0.1); border:1px solid rgba(255,180,60,0.35);
  color:#ffcf7a; padding:14px 18px; border-radius:12px; margin-bottom:24px; font-size:0.92rem;
}
.config-warning code{ background:rgba(0,0,0,0.25); padding:2px 6px; border-radius:4px; }

.admin-empty{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:60px 32px; text-align:center; color:var(--text-dim); margin-top:24px;
}
.admin-empty h2{ color:var(--text); margin-bottom:10px; font-size:1.4rem; }

/* Tabs */
.admin-tabs{
  display:flex; gap:6px; border-bottom:1px solid var(--border); margin-bottom:28px; flex-wrap:wrap;
}
.admin-tab{
  font-family:inherit; background:none; border:none; cursor:pointer;
  color:var(--text-dim); font-weight:600; font-size:0.92rem;
  padding:12px 18px; border-bottom:2px solid transparent; transition:color .2s, border-color .2s;
}
.admin-tab:hover{ color:var(--text); }
.admin-tab.active{ color:var(--blue-3); border-bottom-color:var(--blue-2); }
.admin-panel{ display:none; }
.admin-panel.active{ display:block; }

.panel-toolbar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  margin-bottom:20px; flex-wrap:wrap;
}
.panel-desc{ color:var(--text-dim); font-size:0.92rem; }
.input-search{
  padding:10px 14px; border-radius:10px; background:var(--surface); border:1px solid var(--border);
  color:var(--text); font-family:inherit; font-size:0.92rem; min-width:240px; outline:none;
}
.input-search:focus{ border-color:var(--blue-2); }
.btn-sm{ padding:7px 14px; font-size:0.82rem; border-radius:8px; }
.back-btn{ margin-bottom:18px; padding-left:0; }

/* Tables */
.table-wrap{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  overflow-x:auto;
}
.data-table{ width:100%; border-collapse:collapse; min-width:600px; }
.data-table th{
  text-align:left; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.04em;
  color:var(--text-mute); padding:14px 18px; border-bottom:1px solid var(--border); white-space:nowrap;
}
.data-table td{
  padding:14px 18px; border-bottom:1px solid var(--border); font-size:0.92rem; color:var(--text);
}
.data-table tr:last-child td{ border-bottom:none; }
.empty-state{ padding:40px 24px; text-align:center; color:var(--text-mute); font-size:0.92rem; }
.empty-state.small{ padding:16px 0; font-size:0.85rem; }

/* Badges & chips */
.badge{
  display:inline-block; padding:4px 12px; border-radius:999px; font-size:0.78rem; font-weight:600;
  text-transform:capitalize;
}
.badge-activo{ background:rgba(75,227,208,0.15); color:var(--cyan); }
.badge-inactivo{ background:rgba(255,90,90,0.12); color:#ff8a8a; }
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  background:rgba(94,163,255,0.12); border:1px solid rgba(94,163,255,0.3); color:var(--blue-3);
  padding:6px 14px; border-radius:999px; font-size:0.82rem; font-weight:500;
}

/* Profile view */
.profile-head{ margin-bottom:20px; }
.profile-head h2{ font-size:1.6rem; margin-bottom:8px; }
.profile-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:20px;
}
.profile-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px; margin-bottom:20px;
}
.profile-card h4{ font-size:1rem; margin-bottom:16px; }
.profile-card-head{
  display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; gap:12px; flex-wrap:wrap;
}
.profile-card-head h4{ margin-bottom:0; }
.profile-card-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.profile-dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 16px; }
.profile-dl dt{ color:var(--text-mute); font-size:0.85rem; }
.profile-dl dd{ color:var(--text); font-size:0.92rem; }

/* Forms inside modals */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px 20px; margin-bottom:8px; }
.form-grid .span-2{ grid-column:1 / -1; }
.form-grid label, #newRespondentForm label, #newResultForm label, #newPackageForm label{
  display:block; font-size:0.85rem; color:var(--text-dim); margin-bottom:8px; font-weight:500;
}
.form-grid input, .form-grid select,
#newRespondentForm input, #newResultForm input, #newResultForm select, #newPackageForm input{
  width:100%; padding:11px 14px; margin-bottom:4px; border-radius:10px;
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  font-family:inherit; font-size:0.92rem; outline:none; transition:border-color .2s;
}
.form-grid input:focus, .form-grid select:focus,
#newRespondentForm input:focus, #newResultForm input:focus, #newResultForm select:focus, #newPackageForm input:focus{
  border-color:var(--blue-2);
}
.modal-divider{ border:none; border-top:1px solid var(--border); margin:20px 0; }
.modal-sub-title{ font-size:0.9rem; color:var(--text-dim); margin-bottom:14px; font-weight:600; }
.password-row{ display:flex; gap:10px; }
.password-row input{ flex:1; }
.password-row .btn{ flex-shrink:0; margin-bottom:4px; }
.modal-lg{ max-width:560px; }

/* Checklist (gestor de paquetes) */
.checklist{ display:flex; flex-direction:column; gap:4px; max-height:280px; overflow-y:auto; margin-bottom:20px; }
.checklist-item{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px;
  font-size:0.92rem; color:var(--text); cursor:pointer; transition:background .15s;
}
.checklist-item:hover{ background:rgba(255,255,255,0.03); }
.checklist-item input{ accent-color:var(--blue-1); width:16px; height:16px; }

@media (max-width:720px){
  .profile-grid{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .form-grid .span-2{ grid-column:auto; }
}

/* RESPONSIVE */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{height:340px; margin-top:20px;}
  .two-col{grid-template-columns:1fr;}
  .col-visual{order:2;}
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .partners-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .nav-links{
    position:fixed; top:76px; left:0; right:0;
    flex-direction:column; gap:0;
    background:rgba(6,12,31,0.98);
    border-bottom:1px solid var(--border);
    max-height:0; overflow:hidden;
    transition:max-height .3s ease;
  }
  .nav-links.open{max-height:300px;}
  .nav-links a{padding:16px 24px; border-bottom:1px solid var(--border);}
  .hamburger{display:flex;}
  .btn-ghost{display:none;}
  .hero-text h1{font-size:2.2rem;}
  .hero-stats{gap:26px; flex-wrap:wrap;}
  .cards-grid{grid-template-columns:1fr;}
  .partners-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr; gap:36px;}
  .cta-banner{flex-direction:column; align-items:flex-start; text-align:left;}
}