:root{
  --paper:#F4F3EF; --paper-2:#FBFAF7; --ink:#16181D; --muted:#6B6B64;
  --line:#E4E1D9; --indigo:#4F46E5; --indigo-soft:#EEECFB; --amber:#B8770A;
  --surface:#15171C; --surface-2:#1D2028;
  --code-key:#A5B4FF; --code-str:#E7B264; --code-com:#6B7080; --code-fn:#7FD0C0; --ok:#46B17B;
  --santander:#EC0000;
  --maxw:1140px; --r:14px; font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Inter",system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--indigo);display:inline-block}
h1,h2,h3{font-family:"Space Grotesk",sans-serif;font-weight:600;line-height:1.08;letter-spacing:-.01em}

/* header */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--paper) 82%, transparent);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--ink);color:var(--paper-2);display:grid;place-items:center;font-family:"JetBrains Mono";font-size:14px;font-weight:600}
.brand .mark::after{content:"</>"}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:15px;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.btn{font-family:"Inter";font-weight:550;font-size:15px;padding:10px 18px;border-radius:10px;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:transform .12s, background .15s, box-shadow .15s}
.btn-primary{background:var(--ink);color:var(--paper-2)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px -10px rgba(22,24,29,.6)}
.btn-ghost{border-color:var(--line);background:var(--paper-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.nav .btn{padding:9px 16px}
@media(max-width:780px){.nav-links{display:none}}

/* hero */
.hero{padding:74px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{font-size:clamp(33px,4.6vw,52px);margin:18px 0 0}
.hero h1 .hl{color:var(--indigo)}
.hero p.lead{font-size:19px;color:#3C3D42;margin-top:20px;max-width:34ch}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.award{margin-top:26px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:10px}
.award .star{color:var(--amber);font-size:16px}
.award b{color:var(--ink);font-weight:600}
.reveal{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.reveal.d1{animation-delay:.06s}.reveal.d2{animation-delay:.12s}.reveal.d3{animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:none}}

/* consola */
.console{background:var(--surface);border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -28px rgba(22,24,29,.55), 0 0 0 1px rgba(255,255,255,.04) inset;font-family:"JetBrains Mono",monospace}
.console-top{display:flex;align-items:center;gap:14px;padding:13px 16px;border-bottom:1px solid #262932}
.dots{display:flex;gap:7px}
.dots i{width:11px;height:11px;border-radius:50%;display:block;background:#3a3e49}
.console-tabs{display:flex;gap:4px;margin-left:6px}
.ctab{font-size:12.5px;color:#8b909c;background:transparent;border:0;cursor:pointer;padding:5px 12px;border-radius:7px;font-family:inherit;transition:.15s}
.ctab[aria-selected="true"]{background:var(--surface-2);color:#fff}
.console-body{padding:18px 18px 20px;font-size:13.5px;line-height:1.75;color:#cfd3dc}
.cpanel{display:none}.cpanel.on{display:block}
.code .k{color:var(--code-key)}.code .s{color:var(--code-str)}.code .c{color:var(--code-com)}.code .f{color:var(--code-fn)}
.gutter{color:#454a57;user-select:none;margin-right:14px}
.cline{white-space:pre}
.cursor{display:inline-block;width:8px;height:16px;background:var(--code-key);vertical-align:-3px;margin-left:2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.result{margin-top:14px;border-top:1px dashed #2c303a;padding-top:14px}
.restable{width:100%;border-collapse:collapse;font-size:12.5px;color:#aeb3bf}
.restable th{color:#7f8492;text-align:left;font-weight:500;padding:3px 10px 6px 0}
.restable td{padding:3px 10px 3px 0;border-top:1px solid #23262f}
.status{display:flex;align-items:center;gap:18px;margin-top:14px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#cfd3dc}
.pill .d{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.pill.integ .d{background:var(--code-key)}
.out{color:#cfd3dc}.out .ok{color:var(--ok)}

/* reconocimientos / logos */
.recognition{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.recognition .wrap{display:flex;align-items:center;justify-content:center;gap:30px;padding:22px 24px;flex-wrap:wrap}
.recognition .label{font-family:"JetBrains Mono";font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.logo-tile{display:flex;align-items:center;justify-content:center;height:52px;padding:0 18px;background:#fff;border:1px solid var(--line);border-radius:10px}
.logo-tile img{height:26px;width:auto;display:block}
.logo-tile.nebrija{background:#C8102E;border-color:#C8102E}
.logo-tile.nebrija img{height:34px}
.recognition .caption{font-size:13.5px;color:var(--muted)}
.recognition .caption b{color:var(--ink)}

/* secciones */
section.block{padding:84px 0}
.head{max-width:60ch}
.head h2{font-size:clamp(26px,3.3vw,38px);margin-top:14px}
.head p{color:var(--muted);margin-top:14px;font-size:18px}

/* tutores */
.tutors{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;display:flex;flex-direction:column;transition:transform .15s, box-shadow .15s, border-color .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(22,24,29,.4);border-color:#cfccc1}
.card .tag{font-family:"JetBrains Mono";font-size:11.5px;font-weight:600;letter-spacing:.1em;color:var(--indigo);background:var(--indigo-soft);padding:4px 9px;border-radius:6px;align-self:flex-start}
.card h3{font-size:22px;margin:16px 0 0}
.card p.desc{color:var(--muted);font-size:15px;margin-top:9px;flex-grow:1}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 20px}
.chip{font-family:"JetBrains Mono";font-size:11.5px;color:#4a4b50;background:#EFEDE6;border:1px solid var(--line);padding:4px 9px;border-radius:20px}
.card .open{font-family:"JetBrains Mono";font-size:13.5px;font-weight:500;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.card .open .arr{color:var(--indigo);transition:transform .15s}
.card:hover .open .arr{transform:translateX(3px)}
.card.soon{background:transparent;border-style:dashed}
.card.soon .tag{color:var(--muted);background:#EFEDE6}

/* por qué */
.why{background:var(--ink);color:#E7E7E2}
.why .eyebrow{color:#9a9aa2}
.why .eyebrow::before{background:var(--code-key)}
.why .head h2{color:#fff}.why .head p{color:#a4a4ac}
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;margin-top:46px;background:#24262e;border:1px solid #24262e;border-radius:16px;overflow:hidden}
.feat{background:var(--ink);padding:30px 30px 34px}
.feat .n{font-family:"JetBrains Mono";font-size:12.5px;color:var(--code-key)}
.feat h3{font-size:20px;color:#fff;margin:14px 0 8px}
.feat p{color:#a4a4ac;font-size:15px}
@media(max-width:720px){.feats{grid-template-columns:1fr}}

/* piloto */
.pilot .inner{background:linear-gradient(135deg,#4F46E5,#6D5DF0);color:#fff;border-radius:20px;padding:56px 50px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;box-shadow:0 30px 60px -30px rgba(79,70,229,.6)}
.pilot .eyebrow{color:#cdc9fb}.pilot .eyebrow::before{background:#fff}
.pilot h2{font-size:clamp(26px,3.2vw,36px);margin-top:14px;max-width:18ch}
.pilot p{color:#ded9ff;margin-top:14px;max-width:42ch}
.pilot .btn-white{background:#fff;color:var(--indigo);font-weight:600;padding:14px 24px;font-size:16px}
.pilot .btn-white:hover{transform:translateY(-1px);box-shadow:0 14px 30px -12px rgba(0,0,0,.4)}

/* footer */
footer{border-top:1px solid var(--line);padding:54px 0 40px;margin-top:8px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot .brand{font-size:19px}
.foot p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:34ch}
.foot .col h4{font-family:"JetBrains Mono";font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:12px}
.foot .col a,.foot .col span{display:block;color:#46474c;font-size:14.5px;margin-bottom:7px}
.foot .col a:hover{color:var(--indigo)}
.copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:4px}

@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:54px 0 20px}
  .tutors{grid-template-columns:1fr}
  .pilot .inner{padding:40px 30px}
  section.block{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){
  .reveal{animation:none;opacity:1;transform:none}
  .cursor{animation:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ================= PANEL PRIVADO ================= */
.admin-body{background:#F1F0EC}
.admin-top{background:var(--ink);color:#fff}
.admin-top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.admin-top .brand{color:#fff;font-size:18px}
.admin-top .brand .mark{background:#fff;color:var(--ink)}
.admin-top .right{display:flex;align-items:center;gap:16px;font-size:14px;color:#b9b9bf}
.admin-top form{margin:0}
.admin-top button{background:#2a2d35;color:#fff;border:0;padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.admin-top button:hover{background:#363a44}
.admin-wrap{max-width:980px;margin:0 auto;padding:38px 24px}
.admin-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.admin-head h1{font-size:26px}
.admin-head .btn-primary{background:var(--indigo);color:#fff;text-decoration:none}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.table th{text-align:left;font-family:"JetBrains Mono";font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;padding:14px 16px;background:#FAF9F6;border-bottom:1px solid var(--line)}
.table td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.tag-mini{font-family:"JetBrains Mono";font-size:11px;font-weight:600;color:var(--indigo);background:var(--indigo-soft);padding:3px 8px;border-radius:5px}
.estado{font-size:12.5px;font-family:"JetBrains Mono"}
.estado.on{color:var(--ok)} .estado.off{color:#b54}
.row-actions{display:flex;gap:8px;justify-content:flex-end}
.row-actions a,.row-actions button{font-size:13.5px;padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);text-decoration:none}
.row-actions a:hover{border-color:var(--indigo);color:var(--indigo)}
.row-actions button.del{color:#b54}
.row-actions button.del:hover{border-color:#b54;background:#fdf3f3}
.muted-empty{padding:40px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:12px}

/* formularios */
.formcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;max-width:680px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field .hint{font-weight:400;color:var(--muted);font-size:13px}
.field input[type=text],.field input[type=url],.field input[type=number],.field textarea,.field select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit;background:#FCFBF8;color:var(--ink)}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-soft)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check{display:flex;align-items:center;gap:9px}
.check input{width:18px;height:18px}
.form-actions{display:flex;gap:12px;margin-top:8px}
.form-actions .btn-primary{background:var(--indigo);color:#fff;border:0}
.form-actions .btn-ghost{text-decoration:none}

/* login */
.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:#F1F0EC}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px;width:100%;max-width:380px;box-shadow:0 30px 60px -34px rgba(22,24,29,.4)}
.login-card .brand{justify-content:center;margin-bottom:6px}
.login-card .sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}
.login-card .err{background:#fdf3f3;color:#b54;border:1px solid #f0d5d5;padding:10px 12px;border-radius:9px;font-size:14px;margin-bottom:16px}
.login-card .btn-primary{background:var(--indigo);color:#fff;border:0;width:100%;justify-content:center;padding:12px;margin-top:6px}
@media(max-width:560px){.field-row{grid-template-columns:1fr}.admin-wrap{padding:24px 16px}}

/* nav del panel */
.admin-top .right a{color:#b9b9bf;text-decoration:none}
.admin-top .right a:hover{color:#fff}
.admin-top .right a.on{color:#fff;font-weight:600}
.admin-top .right .sep{color:#3a3d45}

/* estadísticas */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.kpi .v{font-family:"Space Grotesk";font-size:30px;font-weight:600;line-height:1}
.kpi .l{font-size:13px;color:var(--muted);margin-top:8px}
.kpi.accent .v{color:var(--indigo)}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:22px}
.panel h2{font-size:17px;margin-bottom:4px}
.panel .sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.chart{display:flex;align-items:flex-end;gap:8px;height:160px;padding-top:10px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.bar .col{width:100%;max-width:34px;background:linear-gradient(180deg,#6D5DF0,#4F46E5);border-radius:6px 6px 0 0;min-height:3px;position:relative}
.bar .col span{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:11px;font-family:"JetBrains Mono";color:var(--muted)}
.bar .d{font-size:11px;color:var(--muted);font-family:"JetBrains Mono"}
.barlist{display:flex;flex-direction:column;gap:12px}
.barrow{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}
.barrow .name{font-size:14px}
.barrow .track{grid-column:1 / -1;height:8px;background:#EFEDE6;border-radius:6px;overflow:hidden}
.barrow .fill{height:100%;background:var(--indigo);border-radius:6px}
.barrow .num{font-family:"JetBrains Mono";font-size:13px;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.kpis{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}}

/* capturas reales */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:42px}
.frame{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 20px 44px -30px rgba(22,24,29,.4)}
.frame-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;background:#F1EFE9;border-bottom:1px solid var(--line)}
.fdot{width:10px;height:10px;border-radius:50%;background:#cfccc2;display:block}
.furl{margin-left:10px;font-family:"JetBrains Mono";font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:6px;padding:3px 10px}
.frame img{display:block;width:100%;height:auto}
.frame figcaption{padding:13px 16px;font-family:"JetBrains Mono";font-size:12.5px;color:var(--muted);letter-spacing:.04em}
@media(max-width:760px){.shots{grid-template-columns:1fr}}