/* ============================================================
   LAVANDERÍA IMAGEN — hoja de estilos del blog
   ------------------------------------------------------------
   ⚠  SINCRONIZACIÓN: el bloque :root y los estilos de header /
   footer están duplicados desde el <style> de index.html.
   Si cambias --brand (u otro token) allá, cámbialo también aquí.
   ============================================================ */
:root{
  --ink:#221E1F; --body:#3F4448; --muted:#5E6B6F;
  --brand:#019BA2; --brand-dark:#01858C; --brand-deep:#016B71;
  --teal-soft:#E7F5F5; --teal-soft-2:#D6EFEF;
  --bg:#F8FAFB; --surface:#FFFFFF; --line:#E6E6E8;

  --shadow-sm:0 1px 2px rgba(34,30,31,.05), 0 2px 10px rgba(34,30,31,.05);
  --shadow-md:0 12px 34px -14px rgba(1,133,140,.22), 0 4px 14px rgba(34,30,31,.06);
  --shadow-lg:0 34px 70px -24px rgba(1,107,113,.30);

  --radius:18px; --radius-sm:12px; --radius-lg:28px; --maxw:1200px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-spring:cubic-bezier(.34,1.4,.5,1);
  --font-sans:"Geist",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --font-serif:"Playfair Display",Georgia,"Times New Roman",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);color:var(--body);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);line-height:1.14;margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}
section{scroll-margin-top:88px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-deep)}
.section-head{max-width:640px;margin-bottom:clamp(36px,5vw,56px)}
.section-head h1,.section-head h2{font-size:clamp(1.9rem,4.4vw,3rem);margin:.5rem 0 .8rem}
.section-head p{color:var(--muted);font-size:1.06rem}
.center{text-align:center;margin-inline:auto}
.section{padding:clamp(64px,9vw,110px) 0}
.section--white{background:var(--surface)}

/* ---------- Buttons ---------- */
.btn{--_bg:var(--brand);--_fg:#fff;position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:52px;padding:0 1.5rem;border-radius:100px;font-weight:600;font-size:1.02rem;font-family:var(--font-sans);background:var(--_bg);color:var(--_fg);border:1.5px solid transparent;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease);box-shadow:var(--shadow-sm);white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn:active{transform:translateY(0)}
.btn svg{width:20px;height:20px;flex:none}
.btn--primary{--_bg:var(--brand-deep)}
.btn--primary:hover{--_bg:#014E54}
.btn--primary::after,.btn--on-teal::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-18deg);transition:left .7s var(--ease);pointer-events:none}
.btn--primary:hover::after,.btn--on-teal:hover::after{left:150%}
.btn--outline{--_bg:transparent;--_fg:var(--brand-deep);border-color:var(--brand)}
.btn--outline:hover{--_bg:var(--teal-soft)}
.btn--wa{--_bg:#25D366;--_fg:#053b1e}
.btn--wa:hover{--_bg:#20bd5a}
.btn--on-teal{--_bg:#fff;--_fg:var(--brand-deep)}
.btn--block{width:100%}

/* ---------- Scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--brand),var(--brand-deep));z-index:120;will-change:transform}

/* ============================================================ HEADER ============================================================ */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .4s var(--ease),box-shadow .4s var(--ease)}
.site-header.scrolled{background:rgba(248,250,251,.85);-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);box-shadow:0 1px 0 var(--line),0 8px 30px -18px rgba(34,30,31,.22)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:1.5rem}
.nav-links{display:flex;align-items:center;gap:.35rem;list-style:none;margin:0;padding:0}
.nav-links a{position:relative;padding:.6rem .85rem;border-radius:10px;font-weight:500;font-size:.95rem;color:var(--ink);transition:color .25s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:.85rem;right:.85rem;bottom:.35rem;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links a:hover{color:var(--brand-deep)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--brand-deep);font-weight:600}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav .btn{min-height:44px;padding:0 1.15rem;font-size:.94rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-logo{height:50px;width:auto;display:block}
.brand-fallback{display:flex;align-items:center;gap:.7rem}
.brand-mark{width:44px;height:44px;flex:none;border-radius:12px;background:linear-gradient(150deg,var(--brand),var(--brand-deep));display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--font-serif);font-weight:700;font-size:1.16rem;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);font-weight:600}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:46px;height:46px;border-radius:12px;place-items:center;color:var(--ink)}
.nav-toggle span{display:block;width:24px;height:2px;background:currentColor;position:relative;transition:.3s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:24px;height:2px;background:currentColor;transition:.3s var(--ease)}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
.skip{position:absolute;left:-999px;top:0;z-index:300;background:#fff;color:var(--brand-deep);padding:.7rem 1.1rem;border-radius:0 0 10px 0;font-weight:600}
.skip:focus{left:0}

/* ============================================================ BLOG ============================================================ */
/* --- Cabecera de la sección/página --- */
.blog-page{padding-top:calc(76px + clamp(40px,6vw,70px))}

/* Migas de pan */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.86rem;color:var(--muted);margin-bottom:1.4rem}
.crumbs a{color:var(--brand-deep);font-weight:600}
.crumbs a:hover{text-decoration:underline}
.crumbs svg{width:14px;height:14px;flex:none;opacity:.55}
.crumbs [aria-current="page"]{color:var(--muted)}

/* --- Rejilla de tarjetas --- */
.blog-grid{display:grid;gap:clamp(16px,2vw,22px);grid-template-columns:repeat(3,1fr)}

.post-card{position:relative;display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease)}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.post-card-body{display:flex;flex-direction:column;flex:1;padding:clamp(24px,3vw,30px)}
.post-card h3{font-size:1.22rem;margin:.7rem 0 .55rem;transition:color .3s var(--ease)}
.post-card:hover h3{color:var(--brand-deep)}
.post-card p{color:var(--muted);font-size:.96rem;flex:1}
.post-card .card-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.1rem;color:var(--brand-deep);font-weight:600;font-size:.92rem}
.post-card .card-link svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.post-card:hover .card-link svg{transform:translateX(4px)}
/* El enlace cubre toda la tarjeta para ampliar el área de clic */
.post-card .stretch::before{content:"";position:absolute;inset:0;z-index:1}

/* Portada: contenedor listo para una imagen (ver comentario en el HTML) */
.post-cover{position:relative;aspect-ratio:16/10;background:linear-gradient(150deg,var(--teal-soft),var(--teal-soft-2));border-bottom:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover svg{width:46px;height:46px;color:var(--brand);opacity:.5}

/* Pastilla de categoría (patrón .zone-tab, versión compacta) */
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.82rem;color:var(--muted)}
.post-cat{display:inline-flex;align-items:center;gap:.35rem;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-deep);background:var(--teal-soft);border:1px solid var(--teal-soft-2);border-radius:100px;padding:.28rem .7rem}
.post-meta .dot{opacity:.5}

/* --- Página de artículo --- */
.post-hero{max-width:760px}
.post-hero h1{font-size:clamp(2rem,5vw,3.1rem);margin:.8rem 0 1rem}
.post-hero .lead{color:var(--muted);font-size:1.12rem;max-width:62ch}
.post-hero .post-meta{margin-top:1.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}

.post-body{max-width:720px;margin-top:clamp(32px,5vw,48px);font-size:1.05rem}
.post-body h2{font-size:clamp(1.4rem,3.2vw,1.85rem);margin:2.4rem 0 .8rem}
.post-body h2:first-child{margin-top:0}
.post-body h3{font-family:var(--font-sans);font-size:1.08rem;font-weight:700;color:var(--ink);margin:1.8rem 0 .5rem}
.post-body p{color:var(--body);margin-bottom:1.1rem}
.post-body ul,.post-body ol{margin:.6rem 0 1.3rem;padding-left:1.3rem;color:var(--body)}
.post-body li{margin-bottom:.6rem}
.post-body li::marker{color:var(--brand)}
.post-body strong{color:var(--ink)}
.post-body a:not(.btn){color:var(--brand-deep);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--teal-soft-2);transition:text-decoration-color .25s var(--ease)}
.post-body a:not(.btn):hover{text-decoration-color:var(--brand)}
.post-body .note{background:var(--teal-soft);border-left:3px solid var(--brand);border-radius:8px;padding:.9rem 1.1rem;color:var(--brand-deep);font-size:.98rem;margin:1.4rem 0}
.post-body .note p{color:inherit;margin:0}

/* Tabla comparativa (post 2) */
.post-table-wrap{overflow-x:auto;margin:1.4rem 0 1.8rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.post-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:420px}
.post-table th,.post-table td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line)}
.post-table thead th{background:var(--teal-soft);color:var(--brand-deep);font-family:var(--font-sans);font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
.post-table tbody tr:last-child td{border-bottom:0}
.post-table td:first-child{font-weight:600;color:var(--ink)}

/* CTA de cierre del artículo */
.post-cta{position:relative;overflow:hidden;max-width:720px;margin:clamp(40px,6vw,60px) 0 0;background:radial-gradient(120% 140% at 15% 0%,var(--brand-dark),transparent 55%),linear-gradient(120deg,#014A50,var(--brand-deep));color:#fff;border-radius:var(--radius-lg);padding:clamp(30px,5vw,44px);box-shadow:var(--shadow-lg)}
.post-cta h2{color:#fff;font-size:clamp(1.5rem,3.6vw,2rem);margin:0 0 .7rem}
.post-cta p{color:rgba(255,255,255,.88);margin-bottom:1.6rem}
.post-cta-actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* Artículos relacionados */
.post-related{margin-top:clamp(56px,8vw,90px);padding-top:clamp(40px,5vw,56px);border-top:1px solid var(--line)}
.post-related h2{font-size:clamp(1.5rem,3.4vw,2rem);margin-bottom:clamp(24px,3vw,32px)}
.post-related .blog-grid{grid-template-columns:repeat(2,1fr)}

/* ============================================================ FOOTER ============================================================ */
.footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(48px,7vw,72px) 0 2rem}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.12)}
.footer h4{font-family:var(--font-sans);color:#fff;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.1rem;font-weight:600}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.7rem;font-size:.94rem}
.footer .about{font-size:.94rem;max-width:34ch;margin-top:1rem;color:rgba(255,255,255,.66)}
.footer .tag{color:rgba(255,255,255,.45);font-size:.82rem}
.footer-socials{display:flex;gap:.6rem;margin-top:1.3rem}
.footer-socials a{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff;transition:background .3s var(--ease),transform .3s var(--ease-spring)}
.footer-socials a:hover{background:var(--brand);transform:translateY(-3px)}
.footer-socials svg{width:20px;height:20px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem 1.5rem;padding-top:1.8rem;font-size:.86rem;align-items:center}
.footer-legal{display:flex;gap:1.4rem;flex-wrap:wrap}
.footer-legal a{color:rgba(255,255,255,.82)}
.footer-legal a:hover{color:#fff;text-decoration:underline}

/* ============================================================ REVEAL ============================================================ */
.reveal{opacity:0;transform:translateY(58px);transition:opacity .95s var(--ease),transform .95s var(--ease)}
.reveal.fade{transform:none}
.reveal.is-visible{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.08s}[data-delay="2"]{transition-delay:.16s}[data-delay="3"]{transition-delay:.24s}[data-delay="4"]{transition-delay:.32s}

/* ============================================================ RESPONSIVE ============================================================ */
@media (max-width:1024px){
  .blog-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .nav-links,.nav-cta .btn--outline{display:none}
  .nav-toggle{display:grid}
  .nav-links{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:.2rem;background:rgba(255,255,255,.98);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding:1rem clamp(20px,5vw,40px) 1.6rem;box-shadow:var(--shadow-md);transform:translateY(-120%);transition:transform .4s var(--ease);z-index:99}
  body.nav-open .nav-links{display:flex;transform:none}
  .nav-links a{padding:.9rem 1rem;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .blog-grid,.post-related .blog-grid,.footer-grid{grid-template-columns:1fr}
  .post-cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1!important;transform:none!important}
}