/* TuHuellaDigital.es — static performance-first build */
:root{--bg:#07131f;--bg2:#0b1f31;--panel:#0f2940;--ink:#ecf8ff;--muted:#a9c1d2;--cyan:#23d4ff;--cyan2:#00a7d8;--violet:#7b61ff;--green:#39e6a0;--white:#fff;--line:rgba(255,255,255,.12);--shadow:0 28px 70px rgba(0,0,0,.32);--radius:24px;--max:1180px;--focus:#ffd54a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f6fafc;color:#12202c;font:400 16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}img,svg{max-width:100%;height:auto}a{color:inherit}.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:16px;top:16px;z-index:9999;background:#fff;color:#000;padding:10px 14px;border-radius:10px}.topbar{background:#03101a;color:#c7d9e5;font-size:.9rem}.topbar .wrap{display:flex;justify-content:space-between;gap:18px;padding:8px 20px}.topbar a{text-decoration:none}.header{position:sticky;top:0;z-index:50;background:rgba(7,19,31,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{max-width:var(--max);margin:auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;color:#fff;font-weight:800;font-size:1.14rem;letter-spacing:-.03em;display:flex;align-items:center;gap:11px}.mark{width:38px;height:38px;border-radius:12px;background:radial-gradient(circle at 30% 30%,var(--cyan),transparent 28%),linear-gradient(135deg,#173b5a,var(--violet));box-shadow:inset 0 0 0 1px rgba(255,255,255,.2),0 0 24px rgba(35,212,255,.18);position:relative}.mark:after{content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.88);border-radius:50% 45% 58% 42%;transform:rotate(18deg)}.navlinks{display:flex;align-items:center;gap:20px}.navlinks a{color:#dceaf2;text-decoration:none;font-weight:650;font-size:.94rem}.navlinks a:hover,.navlinks a:focus{color:#fff}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:12px 18px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer}.nav-cta,.btn.primary{background:linear-gradient(135deg,var(--cyan),#65e5ff);color:#052033;box-shadow:0 12px 30px rgba(35,212,255,.2)}.btn.secondary{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.06)}button{font:inherit}.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:10px;padding:8px 11px}
.hero{background:radial-gradient(circle at 82% 20%,rgba(123,97,255,.22),transparent 30%),radial-gradient(circle at 18% 10%,rgba(35,212,255,.18),transparent 27%),linear-gradient(180deg,var(--bg),var(--bg2));color:var(--ink);overflow:hidden}.hero .inner{max-width:var(--max);margin:auto;padding:92px 20px 74px;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 11px;border:1px solid rgba(35,212,255,.28);background:rgba(35,212,255,.08);border-radius:999px;color:#bff3ff;font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.hero h1,.page-hero h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:.95;letter-spacing:-.065em;margin:20px 0 24px;max-width:900px}.gradient{background:linear-gradient(90deg,#fff 5%,#99edff 50%,#a998ff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:#c4d7e3;font-size:clamp(1.05rem,2vw,1.25rem);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:#bed2df;font-size:.92rem}.trust-row span:before{content:"✓";color:var(--green);font-weight:900;margin-right:7px}.visual{position:relative;min-height:460px}.orb{position:absolute;inset:5% 5% 5% 8%;border-radius:50%;background:radial-gradient(circle,rgba(35,212,255,.14),transparent 62%);border:1px solid rgba(35,212,255,.22);box-shadow:0 0 80px rgba(35,212,255,.09)}.orbit{position:absolute;inset:12%;border:1px dashed rgba(160,220,245,.24);border-radius:50%;animation:spin 24s linear infinite}.orbit.two{inset:22%;animation-direction:reverse;animation-duration:18s}.core{position:absolute;inset:28%;border-radius:44% 56% 62% 38%/48% 42% 58% 52%;background:linear-gradient(145deg,rgba(35,212,255,.26),rgba(123,97,255,.25));border:1px solid rgba(255,255,255,.22);box-shadow:inset 0 0 45px rgba(255,255,255,.05),0 0 70px rgba(35,212,255,.12);transform:rotate(14deg)}.core:before,.core:after{content:"";position:absolute;border:2px solid rgba(255,255,255,.72);border-radius:50% 45% 56% 44%}.core:before{inset:16%}.core:after{inset:31%;transform:rotate(-28deg)}.node{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}.n1{top:16%;left:31%}.n2{top:49%;right:10%;background:#a998ff}.n3{bottom:13%;left:30%;background:var(--green)}.float-card{position:absolute;background:rgba(8,28,44,.82);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);backdrop-filter:blur(10px);color:#e9f8ff;border-radius:18px;padding:14px 16px;max-width:220px}.float-card b{display:block;color:#fff;margin-bottom:3px}.f1{left:0;top:14%}.f2{right:0;bottom:15%}.f3{left:6%;bottom:2%}.signal{width:8px;height:8px;display:inline-block;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);margin-right:7px}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.orbit{animation:none}}
.section{padding:84px 20px}.section.dark{background:var(--bg);color:var(--ink)}.section.soft{background:#eef6fa}.wrap{max-width:var(--max);margin:auto}.kicker{font-weight:850;color:#00627f;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem}.dark .kicker{color:#72e3ff}.section h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.02;letter-spacing:-.045em;margin:10px 0 18px}.lead{font-size:1.14rem;color:#536a79;max-width:760px}.dark .lead{color:#b4cad8}.grid{display:grid;gap:20px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid #dbe8ef;border-radius:var(--radius);padding:28px;box-shadow:0 14px 40px rgba(18,49,68,.07)}.dark .card{background:#0d2639;border-color:rgba(255,255,255,.1);box-shadow:none}.card h3{font-size:1.25rem;margin:12px 0 10px;letter-spacing:-.02em}.card p{color:#607483;margin:0}.dark .card p{color:#abc0ce}.icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#dcf9ff,#eae6ff);color:#064e67;font-size:1.4rem;font-weight:900}.metric{font-size:2rem;font-weight:900;letter-spacing:-.04em;color:#0b6685}.dark .metric{color:#70e3ff}.steps{counter-reset:s}.step{position:relative;padding-left:76px}.step:before{counter-increment:s;content:"0" counter(s);position:absolute;left:0;top:0;color:#087ea2;font-size:1.5rem;font-weight:900}.dark .step:before{color:#72e3ff}.cta-band{background:linear-gradient(135deg,#091b2b,#123850);border:1px solid rgba(255,255,255,.12);color:#fff;border-radius:30px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}.cta-band h2{margin:0 0 10px;font-size:clamp(1.8rem,4vw,3rem)}.cta-band p{margin:0;color:#bfd3df;max-width:720px}.faq details{background:#fff;border:1px solid #dbe8ef;border-radius:16px;padding:18px 20px}.faq details+details{margin-top:12px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:#536a79}.page-hero{background:radial-gradient(circle at 80% 0,rgba(35,212,255,.18),transparent 35%),linear-gradient(180deg,#07131f,#0b2032);color:#fff;padding:72px 20px}.page-hero .wrap{max-width:950px;margin:auto;text-align:center}.page-hero h1{font-size:clamp(2.5rem,5vw,4.6rem);margin-left:auto;margin-right:auto}.breadcrumbs{font-size:.9rem;color:#abc0ce}.content{max-width:900px;margin:auto}.content h2{margin-top:46px}.content a{color:#007da5}.notice{border-left:4px solid var(--cyan2);background:#e9f8fc;padding:18px 20px;border-radius:8px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.contact-box{background:#fff;border:1px solid #dbe8ef;border-radius:22px;padding:30px}.contact-box a{color:#006e93}.footer{background:#03101a;color:#c5d7e2;padding:58px 20px 28px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:36px}.footer h3{color:#fff}.footer a{color:#d9e8f0;text-decoration:none}.footer a:hover{text-decoration:underline}.copyright{max-width:var(--max);margin:35px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.9rem}.cookie{position:fixed;z-index:120;left:18px;right:18px;bottom:18px;max-width:800px;margin:auto;background:#fff;color:#1c2b35;border:1px solid #dbe8ef;border-radius:18px;box-shadow:0 22px 70px rgba(0,0,0,.24);padding:18px;display:flex;gap:18px;align-items:center}.cookie p{margin:0;font-size:.92rem}.cookie button{border:0;border-radius:999px;background:#0b2639;color:#fff;font-weight:800;padding:10px 16px;white-space:nowrap}.wa{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;border:0;background:#08783d;color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.25);cursor:pointer}.wa:focus,.btn:focus,.nav a:focus,.menu-btn:focus,button:focus{outline:3px solid var(--focus);outline-offset:3px}.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.7);display:grid;place-items:center;padding:20px}.dialog{max-width:600px;background:#fff;border-radius:22px;padding:28px;box-shadow:var(--shadow)}.dialog h2{margin-top:0}.consent-line{display:flex;gap:10px;align-items:flex-start;background:#edf9f3;padding:14px;border-radius:12px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.dialog .cancel{background:#eaf0f3;color:#223844;border:0;border-radius:999px;padding:11px 16px;font-weight:800}.dialog .open{background:#19c66b;color:#fff;border:0;border-radius:999px;padding:11px 16px;font-weight:800}.dialog .open:disabled{opacity:.45;cursor:not-allowed}.legal-table{width:100%;border-collapse:collapse}.legal-table td,.legal-table th{padding:10px;border-bottom:1px solid #dce8ee;text-align:left;vertical-align:top}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.hero-lead{margin-left:auto!important;margin-right:auto!important;color:#c4d7e3!important}.spaced-grid{margin-top:34px}.text-center{text-align:center}.modal-open{overflow:hidden}.topbar a,.footer p a,.copyright a,.cookie a,.content a,.card p a{text-decoration:underline;text-decoration-thickness:.08em;text-underline-offset:.16em}.topbar a:hover,.footer p a:hover,.copyright a:hover,.cookie a:hover,.content a:hover,.card p a:hover{text-decoration-thickness:.13em}
@media(max-width:900px){.navlinks{display:none;position:absolute;top:67px;left:0;right:0;background:#07131f;padding:18px 20px 24px;flex-direction:column;align-items:flex-start;border-bottom:1px solid rgba(255,255,255,.12)}.navlinks.open{display:flex}.menu-btn{display:block}.hero .inner{grid-template-columns:1fr;padding-top:64px}.visual{min-height:360px}.grid.three,.grid.two,.contact-grid,.footer-grid{grid-template-columns:1fr}.cta-band{align-items:flex-start;flex-direction:column}.topbar .wrap{justify-content:center}.topbar .hours{display:none}}
@media(max-width:560px){.hero h1{font-size:3.2rem}.section{padding:64px 18px}.visual{min-height:300px}.float-card{font-size:.78rem;max-width:160px}.f1{top:7%}.cookie{align-items:flex-start;flex-direction:column;right:12px;left:12px;bottom:12px}.wa{right:16px;bottom:16px}.cookie~.wa{bottom:160px}.topbar .wrap{font-size:.8rem;gap:10px}.nav{padding-inline:16px}.brand span:last-child{font-size:1rem}.cta-band{padding:28px}}