/*
Theme Name: LBrain Blog
Theme URI: https://lbrainacademy.com/blog
Author: LBrain Academy
Description: Tema a medida para el blog de LBrain Academy — el gimnasio del inglés. Diseño cálido, tipografía premium y artículos interactivos que combinan con la landing.
Version: 1.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: lbrain-blog
*/

:root{
  --bg:#f4efe4; --bg2:#fbf8f1; --surf:#ffffff; --surf2:#f7f1e6; --line:#e7e0d0;
  --ink:#1a1611; --ink2:#3f382c; --mut:#7c7263;
  --orange:#ff8500; --deep:#ec6a00; --amber:#ffb020;
  --dark:#17130e;
  --disp:'Bricolage Grotesque', system-ui, sans-serif;
  --sans:'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --r:22px; --shadow:0 30px 60px -34px rgba(60,45,25,.45); --shadow-s:0 14px 30px -18px rgba(60,45,25,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--deep)}
.chip{display:inline-flex;align-items:center;gap:.4em;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#b7550a;background:#fff2e0;border:1px solid #ffdcae;padding:.34rem .7rem;border-radius:999px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--sans);font-weight:700;font-size:.95rem;padding:.8rem 1.4rem;border-radius:999px;border:0;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 16px 34px -14px rgba(255,133,0,.75)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-ghost{background:transparent;border:2px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* topbar */
.topbar{position:sticky;top:0;z-index:60;background:rgba(244,239,228,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:1.4rem;height:68px}
.brand{font-family:var(--disp);font-weight:800;font-size:1.32rem;letter-spacing:-.02em;color:var(--ink)}
.brand b{color:var(--orange)}
.nav{display:flex;gap:1.5rem;margin-left:1rem}
.nav a{font-weight:600;font-size:.94rem;color:var(--ink2);position:relative;padding:.2rem 0}
.nav a.active{color:var(--ink)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--orange);border-radius:2px}
.nav a:hover{color:var(--ink)}
.top-cta{margin-left:auto;display:flex;align-items:center;gap:.7rem}
@media(max-width:820px){.nav{display:none}.top-cta .btn-ghost{display:none}}

/* progress bar (solo en artículo) */
.progress{position:fixed;top:0;left:0;height:4px;width:100%;z-index:80;background:transparent;opacity:0;transition:opacity .3s;pointer-events:none}
body.single .progress{opacity:1}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--orange),var(--deep))}

/* HOME hero */
.home-hero{position:relative;padding:76px 0 30px;overflow:hidden}
.home-hero::before{content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle, rgba(255,138,0,.30), transparent 62%);z-index:0;animation:float1 15s ease-in-out infinite}
.home-hero::after{content:"";position:absolute;top:40px;left:-160px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle, rgba(255,183,60,.26), transparent 64%);z-index:0;animation:float2 19s ease-in-out infinite}
.home-hero .wrap{position:relative;z-index:1}
.home-hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.02;letter-spacing:-.03em;text-wrap:balance;max-width:14ch;margin:.4rem 0 0}
.home-hero h1 em{font-style:normal;color:var(--orange)}
.home-hero p{margin-top:1.1rem;font-size:1.18rem;color:var(--ink2);max-width:52ch}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,24px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-20px)}}

/* featured */
.featured{margin-top:26px}
.featured .card-lg{display:grid;grid-template-columns:1.12fr .88fr;gap:0;background:var(--surf);border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease, box-shadow .25s ease;color:var(--ink)}
.featured .card-lg:hover{transform:translateY(-5px);box-shadow:0 40px 70px -34px rgba(60,45,25,.5)}
.featured .fimg{position:relative;overflow:hidden;min-height:340px}
.featured .fimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.featured .card-lg:hover .fimg img{transform:scale(1.05)}
.featured .fbadge{position:absolute;top:16px;left:16px;z-index:2}
.featured .fbody{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;gap:1rem}
.featured .fbody h2{font-family:var(--disp);font-weight:800;font-size:clamp(1.7rem,2.6vw,2.5rem);line-height:1.06;letter-spacing:-.02em;text-wrap:balance;margin:0}
.featured .fbody p{color:var(--ink2);font-size:1.06rem;margin:0}
.meta{display:flex;align-items:center;gap:.7rem;font-size:.9rem;color:var(--mut);font-weight:500}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--mut);flex:0 0 auto}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--amber),var(--deep));display:grid;place-items:center;color:#fff;font-family:var(--disp);font-weight:700;font-size:.9rem;flex:0 0 auto}
.read-link{color:var(--deep);font-weight:700;display:inline-flex;align-items:center;gap:.4rem;margin-top:.2rem}
.ph{width:100%;height:100%;min-height:200px;background:linear-gradient(135deg,var(--amber),var(--deep))}
@media(max-width:820px){.featured .card-lg{grid-template-columns:1fr}.featured .fimg{min-height:220px}.featured .fbody{padding:26px}}

/* section head */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin:60px 0 22px}
.sec-head h3{font-family:var(--disp);font-weight:800;font-size:1.7rem;letter-spacing:-.02em;margin:0}
.sec-head a{font-weight:700;color:var(--deep);font-size:.94rem}

/* grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}
.card{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-s);transition:transform .22s ease, box-shadow .22s ease;color:var(--ink)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .cimg{aspect-ratio:16/10;overflow:hidden;position:relative}
.card .cimg img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .cimg img{transform:scale(1.07)}
.card .cimg .chip{position:absolute;top:12px;left:12px;z-index:2}
.card .cbody{padding:20px 20px 22px;display:flex;flex-direction:column;gap:.7rem;flex:1}
.card h4{font-family:var(--disp);font-weight:700;font-size:1.24rem;line-height:1.14;letter-spacing:-.01em;text-wrap:balance;margin:0}
.card p{color:var(--ink2);font-size:.95rem;flex:1;margin:0}
.card .meta{margin-top:.2rem}

/* CTA band */
.cta-band{margin:70px 0 0;background:var(--dark);color:#fff;border-radius:30px;padding:54px 48px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,133,0,.45),transparent 62%)}
.cta-band .in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-band h3{font-family:var(--disp);font-weight:800;font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.06;letter-spacing:-.02em;max-width:16ch;text-wrap:balance;margin:0}
.cta-band p{color:#e8ddcb;margin:.6rem 0 0;max-width:44ch}

/* ARTICLE */
.article{padding:26px 0 40px}
.back{display:inline-flex;align-items:center;gap:.45rem;color:var(--deep);font-weight:700;font-size:.92rem;margin-bottom:22px}
.article .head{max-width:760px;margin:0 auto;text-align:center}
.article .head h1{font-family:var(--disp);font-weight:800;font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.04;letter-spacing:-.03em;margin:.7rem 0 1.1rem;text-wrap:balance}
.article .head .meta{justify-content:center;flex-wrap:wrap}
.hero-img{max-width:940px;margin:30px auto 0;border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
.hero-img img{width:100%;max-height:460px;object-fit:cover}

/* PROSE (the_content) */
.prose{max-width:680px;margin:44px auto 0;font-size:1.19rem;line-height:1.82;color:var(--ink2)}
.prose > *{margin:0 0 1.4em}
.prose > *:last-child{margin-bottom:0}
.prose p:first-of-type{font-size:1.28rem;color:var(--ink)}
.prose strong{color:var(--ink);font-weight:700}
.prose h2{font-family:var(--disp);font-weight:700;font-size:1.75rem;line-height:1.18;letter-spacing:-.01em;color:var(--ink);margin:2.1em 0 .55em;padding-left:.75rem;border-left:5px solid var(--orange);text-wrap:balance}
.prose h3{font-family:var(--disp);font-weight:700;font-size:1.35rem;color:var(--ink);margin:1.8em 0 .4em}
.prose a{color:var(--deep);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.4em 0}
.prose img{border-radius:16px;box-shadow:var(--shadow-s)}
.prose blockquote{border:0;margin:1.6em 0;padding:0;font-family:var(--disp);font-weight:700;font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.24;letter-spacing:-.01em;color:var(--ink);text-align:center;text-wrap:balance}
.prose blockquote p{margin:0}

/* CTA final auto */
.cta-final{max-width:680px;margin:46px auto 0;text-align:center;background:linear-gradient(160deg,#fff,var(--surf2));border:1px solid var(--line);border-radius:24px;padding:40px 30px;box-shadow:var(--shadow-s)}
.cta-final h3{font-family:var(--disp);font-weight:800;font-size:1.7rem;letter-spacing:-.02em;text-wrap:balance;margin:0}
.cta-final p{color:var(--ink2);margin:.6rem auto 1.3rem;max-width:40ch}
.related{margin-top:64px}

/* footer */
.site-foot{margin-top:72px;border-top:1px solid var(--line);background:var(--bg2)}
.site-foot .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:30px;padding-bottom:30px;color:var(--mut);font-size:.9rem}
.site-foot .fnav{display:flex;gap:1.3rem;flex-wrap:wrap}
.site-foot a:hover{color:var(--deep)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}