/* ==========================================================================
   INSTITUTO SAPIENTE — Sistema de diseño (rediseño 2025)
   Paleta:  navy #21356A · dorado #B57F30 · texto #2a2f3a / #6c7280
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Open+Sans:wght@400;500;600;700&display=swap');

:root{
  --navy:#21356A;
  --navy-d:#182a55;
  --navy-l:#2c437e;
  --gold:#B57F30;
  --gold-d:#986824;
  --gold-l:#c9973f;
  --ink:#2a2f3a;
  --muted:#6c7280;
  --line:#e7e9f0;
  --cream:#f6f4ee;
  --soft:#f4f6fb;
  --white:#fff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(33,53,106,.08);
  --shadow-lg:0 22px 55px rgba(33,53,106,.16);
  --maxw:1180px;
  --check:#2f8f6b;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Open Sans',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.7;overflow-x:hidden}
h1,h2,h3,h4,h5,.font-display{font-family:'Poppins',sans-serif;line-height:1.2}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------------- Botones ---------------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Poppins';font-weight:600;font-size:.9rem;
  padding:12px 26px;border-radius:40px;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 8px 20px rgba(181,127,48,.28)}
.btn-gold:hover{background:var(--gold-d);transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-d);transform:translateY(-2px)}
.btn-outline{background:transparent;border:1.5px solid var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-sm{padding:8px 20px;font-size:.8rem}

/* ---------------- Top bar ---------------- */
.topbar{background:#eef0f3}
.topbar .inner{max-width:var(--maxw);margin:0 auto;padding:8px 22px;display:flex;justify-content:flex-end;align-items:center;gap:6px}
.topbar .social{display:flex;gap:3px}
.topbar .social a{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#7a8194;transition:color .2s,background .2s,transform .2s}
.topbar .social a:hover{color:#fff;background:var(--gold);transform:translateY(-2px)}

/* ---------------- Header ---------------- */
.header{background:#fff;position:sticky;top:0;z-index:900;box-shadow:0 2px 14px rgba(0,0,0,.05)}
.header .inner{max-width:var(--maxw);margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.header .logo img{height:52px;width:auto}
.header .tagline{font-family:'Poppins';color:var(--navy);font-size:1.15rem;font-weight:400;letter-spacing:.3px}
.header .tagline b{font-weight:700}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{display:block;width:26px;height:3px;background:var(--navy);border-radius:3px;margin:5px 0;transition:.3s}
.hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------------- Nav ---------------- */
.nav{background:var(--navy)}
.nav .inner{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.nav ul{list-style:none;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:2px}
.nav .sep{color:rgba(255,255,255,.22);font-size:.78rem}
.nav a{display:block;color:#fff;font-family:'Poppins';font-weight:500;font-size:.85rem;padding:15px 16px;transition:color .25s;position:relative}
.nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:9px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:center;transition:transform .3s}
.nav a:hover,.nav a.active{color:var(--gold-l)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}

/* ---------------- Hero ---------------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,var(--navy-d) 0%,rgba(24,42,85,.94) 38%,rgba(24,42,85,.55) 62%,rgba(24,42,85,.15) 100%)}
.hero .inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:74px 22px;min-height:230px;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:2.7rem;font-weight:700;max-width:640px}
.hero .sub{color:var(--gold-l);font-size:1.12rem;margin-top:12px;max-width:560px;font-weight:500}
.hero .hero-btn{margin-top:26px}
.hero.big .inner{padding:104px 22px}
.hero.big h1{font-size:3.1rem}

/* ---------------- Secciones base ---------------- */
.section{padding:74px 0}
.section.soft{background:var(--soft)}
.section.cream{background:var(--cream)}
.eyebrow{color:var(--gold);font-family:'Poppins';font-weight:600;letter-spacing:.5px;font-size:1.02rem;margin-top:2px}
.h-title{color:var(--navy);font-size:1.95rem;font-weight:700}
.u-gold{width:56px;height:4px;background:var(--gold);border-radius:3px;margin:14px 0 0}
.center{text-align:center}
.center .u-gold{margin-left:auto;margin-right:auto}
.lead{color:var(--muted);max-width:760px}
.section-head{margin-bottom:44px}

/* ---------------- Info section (imagen + texto) ---------------- */
.info{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.info.rev .info-media{order:2}
.info-media{position:relative;min-height:340px}
.info-media .m1{width:74%;border-radius:var(--radius);box-shadow:var(--shadow-lg);object-fit:cover;aspect-ratio:4/3}
.info-media .m2{position:absolute;right:0;bottom:-26px;width:52%;border-radius:var(--radius);border:6px solid #fff;box-shadow:var(--shadow-lg);object-fit:cover;aspect-ratio:1/1}
.info-body h2{color:var(--navy);font-size:1.9rem;font-weight:700}
.info-body .eyebrow{margin-bottom:14px}
.info-body p{color:#4a4f5c;margin-top:14px}
.info-body .actions{margin-top:24px}

/* checklist */
.checklist{list-style:none;margin-top:20px;display:grid;gap:13px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:#3c414d}
.checklist li .ck{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--check);color:#fff;display:grid;place-items:center;margin-top:2px}
.checklist li .ck svg{width:14px;height:14px}

/* ---------------- Bandas navy ---------------- */
.band{background:var(--navy);color:#fff;padding:66px 0}
.band .band-head{margin-bottom:40px}
.band h2{color:#fff;font-size:1.75rem;font-weight:700}
.band .u-gold{background:var(--gold)}

/* ---------------- Tarjetas (servicios / programas) ---------------- */
.cards{display:grid;gap:26px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.card .thumb{height:150px;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.card:hover .thumb img{transform:scale(1.08)}
.card .cbody{padding:18px 18px 22px;text-align:center;display:flex;flex-direction:column;gap:14px;flex:1}
.card .cbody h3{color:var(--navy);font-size:1rem;font-weight:600;line-height:1.35;flex:1;display:flex;align-items:center;justify-content:center}
.card .cbody .btn{align-self:center}

/* centros (imagen circular) */
.center-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.center-card{background:#fff;border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;transition:transform .3s,box-shadow .3s}
.center-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.center-card .circ{width:104px;height:104px;border-radius:50%;overflow:hidden;margin:0 auto;border:4px solid var(--soft)}
.center-card .circ img{width:100%;height:100%;object-fit:cover}
.center-card h3{color:var(--navy);font-size:.98rem;font-weight:600;min-height:2.6em;display:flex;align-items:center;justify-content:center}
.center-card p{color:var(--muted);font-size:.86rem;flex:1}
.center-card .btn{align-self:center;margin-top:4px}

/* ---------------- Features (icono dorado + texto) ---------------- */
.why{display:grid;grid-template-columns:.9fr 1.4fr;gap:50px;align-items:start}
.why-intro h2{color:var(--navy);font-size:1.8rem;font-weight:700}
.why-intro p{color:#4a4f5c;margin-top:16px}
.why-intro .btn{margin-top:22px}
.features{display:grid;grid-template-columns:1fr 1fr;gap:30px 40px}
.features.f3{grid-template-columns:repeat(3,1fr)}
.features.f4{grid-template-columns:repeat(4,1fr)}
.feature{display:flex;gap:16px}
.feature .fi{flex:0 0 auto;width:52px;height:52px;color:var(--gold)}
.feature .fi svg{width:52px;height:52px;stroke:var(--gold)}
.feature h4{color:var(--navy);font-size:1.02rem;font-weight:600;margin-bottom:6px}
.feature p{color:var(--muted);font-size:.9rem}
/* features centradas (dentro de banda o columnas) */
.features.stacked .feature{flex-direction:column;text-align:center;align-items:center}

/* tarjetas de beneficio dentro de banda navy */
.benefit-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.benefit-card{background:#fff;border-radius:var(--radius);padding:30px 22px;text-align:center;box-shadow:var(--shadow);transition:transform .3s}
.benefit-card:hover{transform:translateY(-6px)}
.benefit-card .fi{width:56px;height:56px;margin:0 auto 14px;color:var(--gold)}
.benefit-card .fi svg{width:56px;height:56px;stroke:var(--gold)}
.benefit-card h4{color:var(--navy);font-size:1.05rem;font-weight:600;margin-bottom:10px}
.benefit-card p{color:var(--muted);font-size:.9rem}
.benefit-card .u-gold{margin:14px auto 0;width:40px;height:3px}

/* ---------------- Testimonios ---------------- */
.testi{background:var(--navy);color:#fff;text-align:center;padding:64px 0;position:relative}
.testi .tag{color:#aeb9d6;letter-spacing:1px;font-size:.85rem;text-transform:uppercase}
.testi h2{color:#fff;font-size:1.7rem;font-weight:700;margin:6px 0 22px}
.testi .quote{width:56px;height:56px;border-radius:50%;background:var(--gold);color:#fff;display:grid;place-items:center;margin:0 auto 22px;font-family:'Poppins';font-size:1.8rem}
.testi p.txt{max-width:680px;margin:0 auto;color:#dfe4f0;font-size:1.05rem}
.testi .who{margin-top:20px;font-weight:700;font-family:'Poppins'}
.testi .role{color:#aeb9d6;font-size:.88rem}

/* ---------------- CTA celular ---------------- */
.cta-cel{background:linear-gradient(120deg,var(--navy-d),var(--navy));padding:40px 0}
.cta-cel .inner{max-width:var(--maxw);margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-cel h3{color:#fff;font-size:1.4rem;font-weight:700;flex:1;min-width:260px}
.cta-cel form{display:flex;gap:0;background:#fff;border-radius:40px;overflow:hidden;box-shadow:0 10px 24px rgba(0,0,0,.2)}
.cta-cel input{border:0;padding:13px 22px;font-size:.95rem;outline:none;min-width:210px;font-family:'Open Sans'}
.cta-cel button{border:0;background:var(--gold);color:#fff;font-family:'Poppins';font-weight:600;padding:0 28px;cursor:pointer;transition:background .2s}
.cta-cel button:hover{background:var(--gold-d)}

/* ---------------- Contacto ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:start}
.contact-info h2{color:var(--navy);font-size:1.7rem}
.contact-info>p{color:var(--muted);margin-top:14px}
.contact-info .crow{display:flex;gap:15px;align-items:flex-start;margin-top:22px}
.contact-info .ci{width:48px;height:48px;flex:0 0 auto;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}
.contact-info .crow strong{display:block;color:var(--navy);font-family:'Poppins'}
.contact-info .crow span{color:var(--muted)}
.contact-info .redes{display:flex;gap:9px;margin-top:26px}
.contact-info .redes a{width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;transition:background .2s,transform .2s}
.contact-info .redes a:hover{background:var(--gold);transform:translateY(-3px)}
.form-card{background:#fff;padding:36px;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.form-card h2{color:var(--navy);font-size:1.5rem;margin-bottom:6px}
.form-card .u-gold{margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{margin-bottom:16px}
.fg input,.fg textarea{width:100%;padding:13px 16px;border:1.5px solid #d7dbe6;border-radius:var(--radius-sm);font-family:'Open Sans';font-size:.95rem;outline:none;transition:border-color .2s,box-shadow .2s}
.fg input:focus,.fg textarea:focus{border-color:var(--navy-l);box-shadow:0 0 0 3px rgba(44,67,126,.12)}
.fg textarea{min-height:120px;resize:vertical}
.form-card .btn{width:100%;justify-content:center}
.form-note{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:.8rem;margin-top:14px}
.form-msg{margin-top:12px;font-weight:600;display:none}
.map-embed{margin-top:0;height:360px;border:0;width:100%;filter:grayscale(.15)}

/* mesa de partes / aula pasos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.step{background:#fff;border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:'Poppins';font-weight:800;font-size:2.2rem;color:var(--gold);opacity:.35;display:block;margin-bottom:8px}
.step h4{color:var(--navy);font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.92rem}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:40px;max-width:560px;margin:0 auto;text-align:center}
.panel .fi{width:64px;height:64px;margin:0 auto 18px;color:var(--gold)}
.panel .fi svg{width:64px;height:64px;stroke:var(--gold)}
.panel h2{color:var(--navy);margin-bottom:10px}
.panel p{color:var(--muted);margin-bottom:22px}

/* ---------------- Footer ---------------- */
.footer{background:var(--navy);color:#c3cce2;padding-top:56px}
.footer .cols{max-width:var(--maxw);margin:0 auto;padding:0 22px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer .flogo{height:52px;margin-bottom:16px;opacity:.96}
.footer p{color:#aab4d0;font-size:.9rem}
.footer h4{color:#fff;font-family:'Poppins';font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:9px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:3px;background:var(--gold)}
.footer ul{list-style:none}
.footer ul li{margin-bottom:9px}
.footer ul a{color:#aab4d0;font-size:.9rem;transition:color .2s,padding .2s}
.footer ul a:hover{color:#fff;padding-left:5px}
.footer .fsocial{display:flex;gap:8px;flex-wrap:wrap}
.footer .fsocial a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.09);display:grid;place-items:center;color:#fff;transition:background .2s,transform .2s}
.footer .fsocial a:hover{background:var(--gold);transform:translateY(-3px)}
.footer .legal{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:18px 22px;font-size:.82rem;color:#93a0c1}
.footer .legal b{color:#c3cce2;font-weight:600}

/* ---------------- WhatsApp + top ---------------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:1000;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.5);color:#fff;transition:transform .25s}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:32px;height:32px}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;background:#25D366;z-index:-1;animation:wapulse 2.2s infinite}
@keyframes wapulse{0%{transform:scale(1);opacity:.6}70%{transform:scale(1.9);opacity:0}100%{opacity:0}}
.top-btn{position:fixed;right:24px;bottom:94px;z-index:999;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .3s}
.top-btn.show{opacity:1;pointer-events:auto}
.top-btn:hover{background:var(--gold)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ---------------- Responsive ---------------- */
@media (max-width:1040px){
  .cards.c4,.benefit-cards{grid-template-columns:repeat(2,1fr)}
  .center-cards{grid-template-columns:repeat(3,1fr)}
  .features.f4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .info,.why,.contact-grid{grid-template-columns:1fr;gap:40px}
  .info.rev .info-media{order:0}
  .info-media{min-height:300px;margin-bottom:26px}
  .features.f3,.features,.steps{grid-template-columns:1fr 1fr}
  .center-cards{grid-template-columns:repeat(2,1fr)}
  .header .tagline{display:none}
  .hamburger{display:block}
  .nav .inner{padding:0}
  .nav ul{flex-direction:column;gap:0;max-height:0;overflow:hidden;transition:max-height .4s}
  .nav ul.open{max-height:720px}
  .nav .sep{display:none}
  .nav a{padding:14px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav a::after{display:none}
  .hero h1{font-size:2.1rem}.hero.big h1{font-size:2.3rem}
  .cta-cel .inner{flex-direction:column;align-items:stretch}
  .cta-cel form{width:100%}.cta-cel input{flex:1;min-width:0}
}
@media (max-width:560px){
  .section{padding:52px 0}
  .cards.c4,.cards.c3,.benefit-cards,.features,.features.f3,.center-cards,.steps,.form-row{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.75rem}
  .info-media .m2{position:static;width:70%;margin:14px auto 0}
  .info-media{min-height:0}
}
@media (max-width:400px){.footer .cols{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}