@font-face{font-family:Manrope;src:url('../fonts/manrope-variable.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap}

:root{
  --ink:#101b49;
  --ink-soft:#425078;
  --night:#0b1439;
  --teal:#0f8b8d;
  --teal-deep:#0b6668;
  --amber:#d97a1f;
  --orange:#f28b18;
  --red:#b8452b;
  --paper:#fff;
  --mist:#f6f8fb;
  --slate:#eef1f6;
  --line:rgba(16,27,73,.12);
  --shadow:0 20px 50px rgba(16,27,73,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,system-ui,sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit}
p{margin:0 0 1.15rem}
ul,ol{margin:0}
section[id]{scroll-margin-top:1rem}
.skip-link{position:fixed;z-index:99;top:1rem;left:1rem;padding:.75rem 1rem;background:var(--ink);color:#fff;transform:translateY(-160%);border-radius:.6rem;text-decoration:none}
.skip-link:focus{transform:none}

/* Header */
.site-header{min-height:76px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem;padding:1rem clamp(1.2rem,4vw,5rem);position:relative;z-index:5;width:100%;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand-logo{display:block;width:clamp(132px,15vw,164px);height:auto}
.header-link{font-size:.78rem;text-decoration:none;text-transform:uppercase;letter-spacing:.1em;font-weight:750;border-bottom:1px solid currentColor;padding-bottom:.15rem}
a:focus-visible,summary:focus-visible,.button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:52px;padding:.8rem 1.5rem;border-radius:.7rem;background:var(--ink);color:#fff;text-decoration:none;font-weight:750;box-shadow:0 10px 24px rgba(16,27,73,.16);transition:transform .2s,box-shadow .2s,background .2s;border:1px solid transparent;font-size:.95rem}
.button:hover{transform:translateY(-2px)}
.button-teal{background:var(--teal-deep);box-shadow:0 10px 24px rgba(11,102,104,.28)}
.button-teal:hover{background:#084e50}
.button-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.button-outline:hover{background:var(--ink);color:#fff}
.button-light{background:#fff;color:var(--ink);box-shadow:none}
.button-light:hover{background:#e7f4f4}
.button-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);box-shadow:none}
.button-ghost:hover{background:rgba(255,255,255,.1)}
.button-sm{min-height:44px;padding:.6rem 1.1rem;font-size:.85rem}

/* Layout */
.section{padding:clamp(3rem,8vw,6rem) clamp(1.2rem,5vw,6rem)}
.section-soft{background:var(--mist)}
.section-heading{max-width:760px;margin-bottom:2rem}
.eyebrow{margin-bottom:.9rem;color:var(--teal-deep);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.16em}
h1,h2,h3{letter-spacing:-.03em;margin:0 0 1rem}
.section-heading h2{font-size:clamp(1.7rem,3.6vw,2.5rem);line-height:1.1}
.section-heading p{color:var(--ink-soft);font-size:1.02rem}
h3{font-size:1.12rem;line-height:1.25}
.max-prose{max-width:760px}
.max-prose p{color:var(--ink)}
.fine-print{font-size:.82rem;color:#5b6588;max-width:760px}

/* Hero */
.hero{position:relative;display:grid;gap:2rem;align-items:start;padding:clamp(3rem,8vw,5.5rem) clamp(1.2rem,5vw,6rem);background:linear-gradient(160deg,#fff 50%,#e9f3f4)}
.hero:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--ink),var(--teal),var(--amber))}
.hero h1{font-size:clamp(1.9rem,5.2vw,3.1rem);line-height:1.08;max-width:18ch}
.lead{font-size:1.1rem;color:var(--ink-soft);max-width:58ch}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
@media (min-width:980px){.hero{grid-template-columns:1.15fr .85fr;gap:3rem}}

/* En 30 segundos */
.thirty{background:#fff;border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:1rem;padding:1.5rem 1.6rem;box-shadow:var(--shadow)}
.thirty h2{font-size:.95rem;text-transform:uppercase;letter-spacing:.1em;color:var(--teal-deep);margin-bottom:1rem}
.thirty ul{list-style:none;padding:0;display:grid;gap:.75rem}
.thirty li{display:flex;gap:.75rem;align-items:flex-start;font-size:.96rem}
.thirty li:before{content:"";flex:none;width:9px;height:9px;border-radius:50%;background:var(--teal);margin-top:.5rem}

/* Enfoque */
.approach{background:var(--ink);color:#fff}
.approach .eyebrow{color:#9fd8d6}
.approach .section-heading p{color:#d7dcf0}
.steps{list-style:none;padding:0;display:grid;gap:1rem;max-width:1100px}
.steps li{display:flex;gap:1rem;align-items:flex-start;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:1rem;padding:1.2rem 1.3rem}
.steps strong{display:block;margin-bottom:.2rem}
.steps span:not(.step-num){display:block;font-size:.9rem;color:#cbd2ea}
.step-num{flex:none;width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
@media (min-width:820px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1180px){.steps{grid-template-columns:repeat(4,1fr)}}

/* Tarjetas */
.cards{display:grid;gap:1rem;max-width:1100px}
.card{background:#fff;border:1px solid var(--line);border-radius:1rem;padding:1.3rem 1.4rem}
.card p{margin:0;color:var(--ink-soft);font-size:.95rem}
.card-warn{border-left:4px solid var(--amber)}
@media (min-width:700px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.cards{grid-template-columns:repeat(3,1fr)}}

/* Listas de comprobación */
.check-list{list-style:none;padding:0;margin:0 0 1.2rem;display:grid;gap:.55rem}
.check-list li{display:flex;gap:.7rem;align-items:flex-start}
.check-list li:before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:#e4f3f2;color:var(--teal-deep);font-size:.7rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:.15rem}

.strong-line{font-weight:800;font-size:1.05rem;border-left:3px solid var(--teal);padding-left:1rem;margin:1.4rem 0 0;max-width:760px}
.callout-box{border-radius:1rem;padding:1.3rem 1.5rem;margin:1.6rem 0 0;max-width:760px}
.callout-box p:last-child{margin-bottom:0}
.callout-box.info{background:var(--mist);border:1px solid var(--line);border-left:4px solid var(--teal)}
.section-soft .callout-box.info{background:#fff}
.callout-box.amber{background:#fff;border:1px solid rgba(217,122,31,.3);border-left:4px solid var(--amber)}

/* Antirreflejante: tres fenómenos */
.glare-grid{display:grid;gap:1rem;max-width:1100px}
.glare-card{border-radius:1rem;padding:1.3rem 1.4rem;border:1px solid var(--line);background:#fff}
.glare-card p{margin:0;color:var(--ink-soft);font-size:.95rem}
.glare-card .glare-tag{display:inline-block;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;padding:.3rem .65rem;border-radius:999px;margin-bottom:.8rem}
.glare-yes{border-top:4px solid var(--teal)}
.glare-yes .glare-tag{background:#e4f3f2;color:var(--teal-deep)}
.glare-no{border-top:4px solid #c3c9d9}
.glare-no .glare-tag{background:var(--slate);color:var(--ink-soft)}
@media (min-width:900px){.glare-grid{grid-template-columns:repeat(3,1fr)}}

/* Sección oscura: amarillo y azul */
.section-dark{background:var(--night);color:#fff}
.section-dark .eyebrow{color:#f0c68a}
.dark-grid{display:grid;gap:2rem;max-width:1100px}
.dark-grid p{color:#d7dcf0}
.dark-grid h3{color:#fff}
.dark-conclusion{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-left:4px solid var(--amber);border-radius:.8rem;padding:1rem 1.2rem;font-weight:700;color:#fff !important}
.related-links{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
@media (min-width:900px){.dark-grid{grid-template-columns:1fr 1fr;gap:3rem}}

/* Progresivos: distancias */
.zones{display:grid;gap:.7rem;max-width:1100px;margin-bottom:1.8rem}
.zone{background:#fff;border:1px solid var(--line);border-radius:.9rem;padding:1rem 1.1rem}
.zone strong{display:block}
.zone span{font-size:.88rem;color:var(--ink-soft)}
@media (min-width:600px){.zones{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.zones{grid-template-columns:repeat(4,1fr)}}

/* Normativa */
.law-grid{display:grid;gap:1rem;max-width:1100px;margin-bottom:1.2rem}
.law-card{border:1px solid var(--line);border-radius:1rem;padding:1.3rem 1.4rem;background:#fff}
.law-card p{color:var(--ink-soft);font-size:.95rem}
.law-card p:last-child{margin-bottom:0}
.law-card .law-tag{display:inline-block;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;padding:.3rem .65rem;border-radius:999px;background:var(--ink);color:#fff;margin-bottom:.8rem}
@media (min-width:900px){.law-grid{grid-template-columns:repeat(3,1fr)}}

/* FAQ */
.faq-list{display:grid;gap:.8rem;max-width:820px}
.faq-item{border:1px solid var(--line);border-radius:.9rem;background:#fff;padding:.3rem 1.2rem}
.faq-item summary{list-style:none;cursor:pointer;padding:1rem 0;font-weight:750;font-size:1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";flex:none;font-size:1.3rem;color:var(--teal-deep);transition:transform .2s}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item p{color:var(--ink-soft);padding-bottom:1.1rem;margin:0}

/* CTA */
.cta{background:var(--teal-deep);color:#fff}
.cta .eyebrow{color:#bfe3e2}
.cta-inner{max-width:1100px}
.cta h2{font-size:clamp(1.7rem,3.6vw,2.5rem);line-height:1.1}
.cta-inner > p{color:#d7ecec;max-width:60ch}
.centers-grid{display:grid;gap:1rem;margin-top:1.6rem}
.center-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:1rem;padding:1.3rem;display:flex;flex-direction:column;gap:.7rem}
.center-card strong{font-size:1.15rem}
.center-tel,.center-page{color:#e3f2f2;font-size:.92rem;text-underline-offset:.2rem}
@media (min-width:760px){.centers-grid{grid-template-columns:repeat(3,1fr)}}

/* Fuentes */
.sources{background:#fff}
.sources-updated{display:inline-block;font-size:.78rem;font-weight:750;color:var(--teal-deep);background:#e4f3f2;border-radius:999px;padding:.4rem .9rem}
.sources-list{list-style:none;padding:0;display:grid;gap:.8rem;max-width:820px}
.sources-list li{border:1px solid var(--line);border-radius:.9rem;padding:1rem 1.2rem;display:flex;flex-direction:column;gap:.2rem;scroll-margin-top:1.5rem}
.sources-list .src-num{color:var(--teal-deep);font-weight:800;font-size:.8rem}
.sources-list .src-title{font-weight:750}
.sources-list .src-org{font-size:.84rem;color:var(--ink-soft)}
.sources-list a{color:var(--teal-deep);font-size:.85rem;text-decoration:underline;text-underline-offset:.2rem;word-break:break-word}
.sources-list li:target{outline:2px solid var(--teal);outline-offset:4px;background:var(--mist)}
.sources-note{max-width:760px;color:var(--ink-soft);font-size:.9rem;margin-top:1.6rem}
sup a.cite{color:var(--teal-deep);text-decoration:none;font-weight:700;font-size:.78em}
sup a.cite:hover,sup a.cite:focus-visible{text-decoration:underline}
.section-dark sup a.cite{color:#f0c68a}
.approach sup a.cite{color:#9fd8d6}

/* Footer */
.site-footer{padding:3rem 1.2rem;text-align:center;background:var(--night);color:#fff;display:flex;flex-direction:column;align-items:center;gap:.7rem}
.brand-logo-footer{width:178px;background:#fff;border-radius:.45rem;padding:.25rem}
.site-footer p{margin:0;color:#cbd0e0;font-size:.78rem}
.site-footer .copyright{color:#858da8}
.legal-links{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem 1rem}
.legal-links a{color:#cbd0e0;font-size:.72rem;text-underline-offset:.2rem}
.legal-links a:hover{color:#fff}
@media (min-width:700px){
  .site-footer{flex-direction:row;justify-content:space-between;padding-inline:5vw;flex-wrap:wrap}
  .site-footer .copyright{margin-left:auto}
  .legal-links{order:4;flex-basis:100%}
}

/* Reveal-on-scroll */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.is-visible{opacity:1;transform:none}

@media (max-width:420px){
  .site-header{padding:.9rem 1.2rem}
  .header-link{font-size:.64rem}
  .actions .button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .button,.faq-item summary:after{transition:none}
}