/* ===== Instituto Platerillo — hoja de estilos compartida ===== */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600;6..72,700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --cream:#faf7f1; --cream2:#f1ece1; --ink:#2a2723; --muted:#6a655c;
  --green:#3d8b40; --green-d:#243a1f; --green-h:#3a6b34; --violet:#6b46a8;
  --line:#e7e0d4;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{letter-spacing:-.01em}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 40px;background:rgba(250,247,241,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:84px;width:auto;mix-blend-mode:multiply}
.nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:600}
.navlink{position:relative;text-decoration:none;color:#4a463f;white-space:nowrap}
.navlink.active{color:var(--green-h)}
.navlink::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--green);transition:width .25s}
.navlink:hover::after,.navlink.active::after{width:100%}
.btn-cta{flex:none;background:var(--green);color:#fff;font-weight:700;font-size:13.5px;padding:11px 20px;border-radius:999px;text-decoration:none;box-shadow:0 6px 16px rgba(61,139,64,.28);transition:filter .2s}
.btn-cta:hover{filter:brightness(1.06)}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:6px}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---- Buttons ---- */
.btn{display:inline-block;font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;text-decoration:none;transition:filter .2s,transform .2s}
.btn-green{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(61,139,64,.28)}
.btn-green:hover{filter:brightness(1.06)}
.btn-white{background:#fff;color:var(--green-d)}
.btn-violet{background:#f3f0f8;color:var(--violet)}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}

/* ---- Internal page hero banner ---- */
.banner{position:relative;margin:24px 40px;border-radius:24px;overflow:hidden;min-height:340px;display:flex;align-items:flex-end}
.banner img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.banner .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,55,35,.08) 0%,rgba(28,42,26,.72) 100%)}
.banner .inner{position:relative;padding:46px 50px;max-width:820px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--violet)}
.banner .eyebrow{color:#d8e8c8}
.banner h1{font-family:'Newsreader',serif;font-weight:600;font-size:52px;line-height:1.05;color:#fff;margin:12px 0 0}
.banner p.sub{font-size:17px;line-height:1.55;color:rgba(255,255,255,.92);margin:14px 0 0;max-width:600px}

/* ---- Prose / content ---- */
.wrap{max-width:1080px;margin:0 auto;padding:0 40px}
.prose{max-width:820px;margin:0 auto;padding:48px 40px 8px}
.prose h2{font-family:'Newsreader',serif;font-weight:600;font-size:32px;line-height:1.15;color:var(--green-d);margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:'Newsreader',serif;font-weight:600;font-size:24px;line-height:1.2;color:var(--green);margin:30px 0 10px}
.prose h4{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--violet);margin:24px 0 8px}
.prose p{font-size:16.5px;line-height:1.75;color:#453f38;margin:0 0 16px}
.prose strong{color:var(--ink)}
.prose ul{padding-left:0;list-style:none;margin:0 0 16px;display:flex;flex-direction:column;gap:12px}
.prose ul li{position:relative;padding-left:30px;font-size:16.5px;line-height:1.65;color:#453f38}
.prose ul li::before{content:"";position:absolute;left:6px;top:11px;width:9px;height:9px;border-radius:50%;background:var(--green)}
.lead{font-size:19px!important;line-height:1.6!important;color:var(--ink)!important;font-weight:500}
.pullquote{background:#eef4e9;border-left:4px solid var(--green);border-radius:0 14px 14px 0;padding:22px 26px;margin:26px 0;font-family:'Newsreader',serif;font-size:22px;line-height:1.4;color:var(--green-d)}

/* chips (specialties, schedule) */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 16px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;color:var(--green-d)}
.schedule{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin:22px 0;font-size:16px;line-height:1.6}

/* audience / feature cards */
.cards3{max-width:1080px;margin:0 auto;padding:14px 40px 8px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.icard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}
.icard h3{font-family:'Newsreader',serif;font-weight:600;font-size:21px;color:var(--green-d);margin:0 0 10px}
.icard p{font-size:14.5px;line-height:1.6;color:var(--muted);margin:0}
.icard .num{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--violet);text-transform:uppercase}

/* gallery */
.gallery{max-width:1080px;margin:0 auto;padding:26px 40px 50px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.gallery img{width:100%;height:240px;object-fit:cover;border-radius:16px}

/* ---- CTA strip ---- */
.ctastrip{max-width:1080px;margin:20px auto 56px;padding:0 40px}
.ctastrip .box{background:linear-gradient(120deg,var(--green-d),#2f5327);border-radius:24px;padding:44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.ctastrip h2{font-family:'Newsreader',serif;font-weight:600;font-size:30px;margin:0 0 8px}
.ctastrip p{margin:0;color:rgba(255,255,255,.85);font-size:16px;max-width:460px}

/* ---- Footer ---- */
.site-footer{background:var(--green-d);color:#dfe8d6;padding:48px 40px 30px}
.foot{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:36px}
.foot .logobox{display:inline-flex;background:#fff;border-radius:16px;padding:14px 16px;margin-bottom:16px}
.foot .logobox img{height:74px;width:auto}
.foot p{font-size:14px;line-height:1.6;color:#b9c9ad;margin:0;max-width:280px}
.foot h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#9ab18c;margin:0 0 14px}
.foot .links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot .links a{color:#dfe8d6;text-decoration:none}
.foot .links a:hover{color:#fff}
.foot .contact{font-size:14px;line-height:1.7;color:#dfe8d6}
.foot .contact b{color:#fff}
.socials{display:flex;gap:12px;margin-top:16px}
.socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;text-decoration:none;transition:background .2s}
.socials a:hover{background:rgba(255,255,255,.2)}
.socials svg{width:20px;height:20px;fill:#dfe8d6}
.copy{max-width:1080px;margin:32px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8ea381}

/* ---- WhatsApp float ---- */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;text-decoration:none;animation:waPulse 2.6s ease-in-out infinite}
.wa-float svg{width:32px;height:32px;fill:#fff}
@keyframes waPulse{0%,100%{box-shadow:0 8px 22px rgba(37,211,102,.45)}50%{box-shadow:0 8px 22px rgba(37,211,102,.45),0 0 0 12px rgba(37,211,102,.12)}}

/* ---- Reveal on scroll ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1)}
.reveal.in{opacity:1;transform:none}

/* ---- Home-specific ---- */
.home-hero{position:relative;margin:24px 40px;border-radius:24px;overflow:hidden;height:480px;display:flex;align-items:flex-end}
.home-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.home-hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,55,35,.05) 0%,rgba(28,42,26,.66) 100%)}
.home-hero .inner{position:relative;padding:50px;max-width:800px}
.home-hero h1{font-family:'Newsreader',serif;font-weight:600;font-size:56px;line-height:1.04;color:#fff;margin:0 0 16px}
.home-hero p{font-size:18px;line-height:1.55;color:rgba(255,255,255,.93);margin:0 0 24px;max-width:600px}
.section-head{padding:54px 48px 20px;text-align:center}
.section-head h2{font-family:'Newsreader',serif;font-weight:600;font-size:40px;line-height:1.12;margin:12px auto 0;max-width:740px;color:var(--ink)}
.grid-main{max-width:1180px;margin:0 auto;padding:32px 48px 8px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.card{transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(40,55,35,.16)}
.featured{grid-row:span 2;position:relative;border-radius:20px;overflow:hidden;min-height:400px;text-decoration:none;display:flex;align-items:flex-end}
.featured img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,30,18,0) 35%,rgba(20,30,18,.84) 100%)}
.featured .inner{position:relative;padding:32px;color:#fff}
.featured h3{font-family:'Newsreader',serif;font-weight:600;font-size:30px;margin:8px 0 10px}
.minicard{background:#fff;border:1px solid #ece5d8;border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column}
.minicard img{width:100%;height:158px;object-fit:cover}
.minicard .b{padding:20px 22px}
.minicard h3{font-family:'Newsreader',serif;font-weight:600;font-size:22px;margin:0 0 7px;color:var(--ink)}
.minicard p{font-size:13.5px;line-height:1.5;color:var(--muted);margin:0 0 10px}
.more{font-weight:700;font-size:13px;color:var(--green)}
.more.v{color:var(--violet)}
.grid-pair{max-width:1180px;margin:0 auto;padding:8px 48px 48px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.widecard{display:flex;gap:18px;background:var(--cream2);border-radius:20px;overflow:hidden;text-decoration:none;color:inherit}
.widecard img{width:150px;height:100%;min-height:148px;object-fit:cover;flex:none}
.widecard .b{padding:22px 22px 22px 0}
.widecard h3{font-family:'Newsreader',serif;font-weight:600;font-size:22px;margin:0 0 6px;color:var(--ink)}
.widecard p{font-size:13.5px;line-height:1.5;color:var(--muted);margin:0 0 10px}
.contact-sec{max-width:1180px;margin:0 auto;padding:20px 48px 56px}
.contact-box{background:#fff;border:1px solid #ece5d8;border-radius:24px;overflow:hidden;display:grid;grid-template-columns:1.05fr .95fr}
.contact-box .l{padding:42px 44px}
.contact-box h2{font-family:'Newsreader',serif;font-weight:600;font-size:32px;line-height:1.1;margin:10px 0 22px;color:var(--ink)}
.contact-box .field{font-size:15px;line-height:1.5;margin-bottom:16px}
.contact-box .field .k{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9a9488;margin-bottom:3px}
.contact-box iframe{width:100%;height:100%;min-height:340px;border:0}

/* ---- Home hero carousel ---- */
.home-hero img.bg{transition:opacity 1.2s ease}
.home-hero img.bg.slide{opacity:0}
.home-hero img.bg.slide.on{opacity:1}
.hero-dots{position:absolute;bottom:22px;right:32px;display:flex;gap:9px;z-index:3}
.hero-dots button{width:11px;height:11px;border-radius:50%;border:0;padding:0;cursor:pointer;background:rgba(255,255,255,.45);transition:background .25s,width .25s;border-radius:99px}
.hero-dots button.on{background:#fff;width:26px}

/* ---- Lightbox ---- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(20,26,18,.9);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s;padding:30px}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:0 24px 70px rgba(0,0,0,.5);transform:scale(.96);transition:transform .25s}
.lightbox.open img{transform:scale(1)}
.lightbox .lb-close{position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lightbox .lb-prev{left:22px}
.lightbox .lb-next{right:22px}
.lightbox .lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:rgba(255,255,255,.85);font-size:14px;font-family:'Plus Jakarta Sans',sans-serif}
.gallery.zoomable img{cursor:zoom-in}
.gallery.zoomable img:hover{filter:brightness(1.04)}

/* ---- Highlighted callout (jornada) ---- */
.highlight-bar{max-width:1080px;margin:22px auto 0;padding:0 40px}
.highlight-bar .inner{display:flex;align-items:center;gap:18px;background:linear-gradient(120deg,#eef4e9,#f4eefb);border:1px solid #dfe0d3;border-radius:18px;padding:22px 26px}
.highlight-bar .ic{flex:none;width:52px;height:52px;border-radius:14px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px}
.highlight-bar .k{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--violet);margin-bottom:3px}
.highlight-bar .v{font-family:'Newsreader',serif;font-size:23px;font-weight:600;color:var(--green-d);line-height:1.2}
@media(max-width:880px){
  .hero-dots{right:16px;bottom:16px}
  .highlight-bar{padding:0 16px}
  .highlight-bar .inner{padding:18px 18px}
  .highlight-bar .v{font-size:19px}
  .lightbox .lb-nav{width:42px;height:42px}
}

/* ---- Responsive ---- */
@media(max-width:880px){
  .site-header{padding:12px 20px}
  .brand img{height:64px}
  .nav{position:fixed;inset:0 0 auto 0;top:0;flex-direction:column;align-items:stretch;gap:0;background:var(--cream);padding:88px 24px 24px;transform:translateY(-100%);transition:transform .3s;box-shadow:0 12px 30px rgba(0,0,0,.12);height:auto}
  .nav.open{transform:none}
  .nav .navlink{padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .menu-btn{display:block;z-index:60}
  .btn-cta{font-size:12.5px;padding:9px 14px}
  .home-hero,.banner{margin:16px;height:auto}
  .home-hero{min-height:420px}
  .home-hero .inner,.banner .inner{padding:30px 24px}
  .home-hero h1,.banner h1{font-size:34px}
  .home-hero p,.banner p.sub{font-size:16px}
  .section-head{padding:40px 22px 12px}
  .section-head h2{font-size:30px}
  .grid-main,.grid-pair{grid-template-columns:1fr;padding:22px 16px}
  .featured{grid-row:auto;min-height:320px}
  .prose{padding:34px 22px 8px}
  .prose h2{font-size:27px}
  .cards3{grid-template-columns:1fr;padding:14px 16px}
  .gallery{padding:22px 16px 40px}
  .widecard{flex-direction:column}
  .widecard img{width:100%;height:180px}
  .widecard .b{padding:0 20px 20px}
  .contact-sec{padding:16px 16px 40px}
  .contact-box{grid-template-columns:1fr}
  .contact-box .l{padding:30px 24px}
  .ctastrip{padding:0 16px}
  .ctastrip .box{padding:30px 24px}
  .foot{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:40px 22px 26px}
}