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

/* Sistema heredado de /lentes-para-conducir/ (tinta + verde azulado) */
: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}
a:focus-visible,summary:focus-visible,.button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* Cabecera */
.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);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}

/* Botones */
.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,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}

/* Maquetación */
.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}
.fine-print{font-size:.82rem;color:#5b6588;max-width:760px}

/* Hero con carta de lectura */
.hero{position:relative;display:grid;gap:2.4rem;align-items:center;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(2rem,5.4vw,3.3rem);line-height:1.06;max-width:15ch}
.lead{font-size:1.1rem;color:var(--ink-soft);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
@media (min-width:980px){.hero{grid-template-columns:1.1fr .9fr;gap:3.5rem}}

.reading{margin:0;justify-self:center;width:min(100%,380px)}
.reading-card{background:#fffdf8;border:1px solid var(--line);border-radius:.9rem;padding:1.6rem 1.5rem 1.4rem;box-shadow:var(--shadow);transform-origin:50% 40%;animation:alejar 2.6s cubic-bezier(.45,.05,.25,1) .9s both}
.reading-card p{margin:0 0 .85rem;line-height:1.35;color:#1d2440}
.reading-card .r1{font-size:1.35rem;font-weight:700}
.reading-card .r2{font-size:1.02rem}
.reading-card .r3{font-size:.8rem;filter:blur(.4px)}
.reading-card .r4{font-size:.64rem;filter:blur(.9px);animation:enfocar 2.6s cubic-bezier(.45,.05,.25,1) .9s both}
.reading-card .r5{font-size:.54rem;filter:blur(1.3px);margin-bottom:0;animation:enfocar5 2.6s cubic-bezier(.45,.05,.25,1) .9s both}
.reading figcaption{margin-top:1rem;font-size:.86rem;color:var(--ink-soft);text-align:center}
@keyframes alejar{from{transform:scale(1)}to{transform:scale(.88) translateY(-6px)}}
@keyframes enfocar{from{filter:blur(.9px)}to{filter:blur(.3px)}}
@keyframes enfocar5{from{filter:blur(1.3px)}to{filter:blur(.6px)}}

/* 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);max-width:1100px}
.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{position:relative;padding-left:1.4rem;font-size:.96rem}
.thirty li:before{content:"";position:absolute;left:0;top:.55rem;width:9px;height:9px;border-radius:50%;background:var(--teal)}
.thirty-wrap{padding:0 clamp(1.2rem,5vw,6rem);margin-top:-1.5rem;position:relative}

/* Situaciones */
.situations{list-style:none;padding:0;display:grid;gap:1rem;max-width:1100px}
.situations li{background:#fff;border:1px solid var(--line);border-radius:1rem;padding:1.2rem 1.3rem}
.situations strong{display:block;font-size:1.05rem;margin-bottom:.3rem}
.situations span{display:block;color:var(--ink-soft);font-size:.95rem}
@media (min-width:700px){.situations{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.situations{grid-template-columns:repeat(3,1fr)}}
.strong-line{font-weight:800;font-size:1.05rem;border-left:3px solid var(--teal);padding-left:1rem;margin:1.8rem 0 0;max-width:760px}

/* Bloques de texto con aviso */
.callout-box{border-radius:1rem;padding:1.3rem 1.5rem;margin:1.8rem 0 0;max-width:760px}
.callout-box p:last-child{margin-bottom:0}
.callout-box h3{margin-bottom:.6rem}
.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.alert{background:#fff;border:1px solid rgba(184,69,43,.3);border-left:4px solid var(--red)}
.check-list{list-style:none;padding:0;margin:0 0 1.1rem;display:grid;gap:.55rem}
.check-list li{position:relative;padding-left:2.1rem}
.check-list li:before{content:"✓";position:absolute;left:0;top:.15rem;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}
.alert .check-list li:before{content:"!";background:#fbe9e4;color:var(--red)}

/* Banda de distancias */
.distances{display:grid;gap:.8rem;max-width:1100px;margin-bottom:2rem}
.distance{border-radius:1rem;padding:1.2rem 1.3rem;border:1px solid var(--line);background:#fff;position:relative;overflow:hidden}
.distance:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px}
.d-near:before{background:var(--amber)}
.d-mid:before{background:var(--teal)}
.d-far:before{background:var(--ink)}
.distance strong{display:block;font-size:1.05rem}
.distance .dist-cm{display:block;font-size:.8rem;font-weight:750;color:var(--ink-soft);margin-bottom:.4rem}
.distance span:not(.dist-cm){display:block;font-size:.93rem;color:var(--ink-soft)}
@media (min-width:820px){.distances{grid-template-columns:repeat(3,1fr)}}

/* Opciones */
.options{display:grid;gap:1.2rem;max-width:1100px}
.option{background:#fff;border:1px solid var(--line);border-radius:1rem;padding:1.5rem 1.5rem 1.3rem;display:flex;flex-direction:column}
.option h3{font-size:1.3rem;margin-bottom:.4rem}
.option .option-sub{color:var(--ink-soft);font-size:.95rem;margin-bottom:1rem}
.option dl{margin:0;display:grid;gap:.9rem}
.option dt{font-size:.8rem;font-weight:800;color:var(--teal-deep);margin-bottom:.15rem}
.option dd{margin:0;font-size:.95rem}
.option .dt-limit{color:var(--red)}
.option .option-link{margin-top:1rem;font-size:.9rem;font-weight:700;color:var(--teal-deep);text-underline-offset:.2rem}
@media (min-width:900px){.options{grid-template-columns:repeat(2,1fr)}}

/* Tabla orientativa */
.coverage-wrap{max-width:1100px;margin-top:2.4rem;overflow-x:auto}
.coverage-title{font-size:1.1rem;margin-bottom:.8rem}
.coverage{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:1rem;font-size:.92rem}
.coverage thead th:first-child{width:36%}
.coverage th,.coverage td{padding:.8rem .7rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.coverage tr:last-child th,.coverage tr:last-child td{border-bottom:0}
.coverage thead th{font-size:.78rem;color:var(--ink-soft);font-weight:800}
.coverage tbody th{font-weight:750}
.pill{display:inline-block;padding:.2rem .6rem;border-radius:.6rem;font-size:.78rem;font-weight:750;line-height:1.3}
.p-yes{background:#e4f3f2;color:var(--teal-deep)}
.p-part{background:#fdf0e1;color:#8a4a0f}
.p-no{background:var(--slate);color:var(--ink-soft)}

@media (max-width:560px){
  .coverage thead{display:none}
  .coverage,.coverage tbody,.coverage tr,.coverage th,.coverage td{display:block;width:auto}
  .coverage tr{padding:.9rem 1rem;border-bottom:1px solid var(--line)}
  .coverage tr:last-child{border-bottom:0}
  .coverage th,.coverage td{padding:0;border-bottom:0}
  .coverage tbody th{font-size:1rem;margin-bottom:.45rem}
  .coverage td{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.25rem 0}
  .coverage td:before{content:attr(data-label);font-size:.8rem;font-weight:750;color:var(--ink-soft);flex:none}
  .coverage td .pill{text-align:right}
}

/* Pasos (sección oscura) */
.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;counter-reset:paso}
.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:.92rem;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)}}
.approach .callout-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-left:4px solid var(--amber);color:#fff}
.approach .callout-box p{color:#e3e7f5}

/* 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}
.faq-item p a{color:var(--teal-deep);text-underline-offset:.2rem}

/* Llamada final */
.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}
.cta-sub{margin-top:2.4rem;font-weight:750;color:#fff !important}
.centers-grid{display:grid;gap:1rem;margin-top:1rem}
.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:.6rem}
.center-card strong{font-size:1.15rem}
.center-card a{color:#e3f2f2;font-size:.92rem;text-underline-offset:.2rem}
@media (min-width:760px){.centers-grid{grid-template-columns:repeat(3,1fr)}}

/* Fuentes */
.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}

/* Pie */
.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%}
}

@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}
  .reading-card,.reading-card .r4,.reading-card .r5{animation:none}
  .button,.faq-item summary:after{transition:none}
}