/* Páginas públicas de 4HOME (seguimiento y encuesta) · Brandbook 2025:
   negro profundo #000108, blanco, degradado #042376 → #1f98c5; títulos Sequel 100 Black, texto Helixa. */
@font-face{font-family:Helixa;src:url('/assets/fonts/Helixa-Regular.otf') format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:Helixa;src:url('/assets/fonts/Helixa-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:Sequel;src:url('/assets/fonts/Sequel.ttf') format('truetype');font-weight:400;font-display:swap}
:root{--ink:#000108;--navy:#042376;--cyan:#1f98c5;--white:#fff;--text:#f4f6fb;--muted:#a9b2c6;--faint:#6f7a92;--line:rgba(255,255,255,.12);--card:rgba(255,255,255,.045);--grad:linear-gradient(90deg,var(--navy),var(--cyan));--ok:#5fd3a1;--err:#ff9b8f;
  --display:Sequel,"Arial Black",Helvetica,sans-serif;--body:Helixa,"Helvetica Neue",Arial,sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}button,a,input,textarea{touch-action:manipulation}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--ink);color:var(--text);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;align-items:center;padding:max(20px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));position:relative;overflow-x:hidden}
/* luz azul difuminada + grano, como en el brandbook */
body::before{content:"";position:fixed;inset:-20%;z-index:-2;pointer-events:none;
  background:radial-gradient(45% 35% at 85% 8%,rgba(31,152,197,.55),transparent 70%),radial-gradient(55% 45% at 10% 95%,rgba(4,35,118,.85),transparent 70%),radial-gradient(40% 30% at 95% 90%,rgba(31,152,197,.28),transparent 70%);filter:blur(30px)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.09;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.top{width:100%;max-width:520px;display:flex;align-items:center;justify-content:space-between;margin-bottom:clamp(28px,7vh,56px)}
.top img{height:22px;width:auto;display:block}.top span{font:400 10px/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
main{width:100%;max-width:520px}
.eyebrow{font:400 11px/1.4 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin:0 0 10px}
h1{overflow-wrap:anywhere;font:400 clamp(24px,7vw,34px)/1.08 var(--display);text-transform:uppercase;letter-spacing:.01em;margin:0 0 12px;color:var(--white);text-wrap:balance}
.lead{margin:0 0 24px;color:var(--muted);font-size:16px}
.lead b{color:var(--text);font-weight:700}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.card+.card{margin-top:14px}
.status small{display:block;font:400 10px/1.4 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.status strong{display:block;font:400 22px/1.15 var(--display);text-transform:uppercase;margin:6px 0 14px;color:var(--white)}
.status.ok strong{color:var(--ok)}
.bar{height:6px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}.bar i{display:block;height:100%;border-radius:inherit;background:var(--grad);box-shadow:0 0 14px rgba(31,152,197,.7);transition:width .6s ease}
.steps{list-style:none;margin:0;padding:4px 0 0}
.steps li{position:relative;padding:0 0 20px 32px}.steps li:last-child{padding-bottom:0}
.steps li::before{content:"";position:absolute;left:4px;top:5px;width:12px;height:12px;border-radius:50%;border:2px solid rgba(255,255,255,.25);background:var(--ink)}
.steps li::after{content:"";position:absolute;left:10px;top:21px;bottom:-1px;width:2px;background:rgba(255,255,255,.12)}.steps li:last-child::after{display:none}
.steps li.done::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 10px rgba(31,152,197,.8)}.steps li.done::after{background:linear-gradient(var(--cyan),rgba(31,152,197,.3))}
.steps li.current::before{border-color:var(--cyan);box-shadow:0 0 0 5px rgba(31,152,197,.18),0 0 14px rgba(31,152,197,.7)}
.steps b{display:block;font-weight:700;color:var(--text)}.steps li.todo b{color:var(--faint);font-weight:400}.steps small{color:var(--muted);font-size:14px}
.visit{display:flex;gap:14px;align-items:flex-start;border-color:rgba(31,152,197,.45);background:linear-gradient(135deg,rgba(4,35,118,.45),rgba(31,152,197,.14))}
.visit svg{flex:none;width:24px;height:24px;color:var(--cyan);margin-top:2px}.visit b{display:block;color:var(--white);font-size:17px}.visit small{color:var(--muted);font-size:14px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:52px;margin-top:20px;padding:14px 20px;border-radius:999px;border:0;background:var(--white);color:var(--ink);font:700 16px/1 var(--body);text-decoration:none;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,opacity .2s}
.btn:hover{box-shadow:0 0 0 4px rgba(31,152,197,.25),0 8px 30px rgba(31,152,197,.35)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:default;box-shadow:none}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.btn.ghost:hover{border-color:var(--cyan)}
.field{display:grid;gap:8px;margin-bottom:16px}.field span{font:400 10px/1.4 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.field input,textarea{width:100%;min-height:52px;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(0,1,8,.55);color:var(--white);font:400 17px/1.3 var(--body);transition:border-color .2s,box-shadow .2s}
.field input::placeholder,textarea::placeholder{color:var(--faint)}
.field input:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(31,152,197,.22)}
.err{min-height:22px;margin:0;color:var(--err);font-size:14px}
.help{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.help a{flex:1 1 160px;display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 14px;border-radius:999px;border:1px solid var(--line);color:var(--text);text-decoration:none;font-size:15px;transition:border-color .2s}
.help a:hover{border-color:var(--cyan)}.help svg{width:18px;height:18px;color:var(--cyan)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.note{margin:22px 0 0;color:var(--faint);font-size:13px;text-align:center}
.tagline{margin:clamp(36px,8vh,64px) 0 0;font:400 10px/1.6 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);text-align:center}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.skeleton{height:14px;border-radius:8px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.12),rgba(255,255,255,.05));background-size:200% 100%;animation:sk 1.2s linear infinite;margin:10px 0}
@keyframes sk{to{background-position:-200% 0}}
.spin{display:inline-block;width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:rot .8s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}
.fade{animation:fade .35s ease both}@keyframes fade{from{opacity:0;transform:translateY(6px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}