/* ============ TOKENS ============ */
:root{
  --cream:#ffffff;
  --card:#eef3fb;
  --line:#dbe6f4;
  --ink:#101826;
  --ink-soft:#57647a;
  --navy:#0d1b33;
  --navy-soft:#8b98b3;
  --terracotta:#3465d1;
  --terracotta-light:#5c8be8;
  --purple:#2f4ea3;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --font-display:'Fraunces', serif;
  --font-body:'Inter', sans-serif;
  --maxw:1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:400;
  margin:0 0 .4em;
  letter-spacing:-.01em;
  color:var(--ink);
}
p{line-height:1.6;color:var(--ink-soft);margin:0 0 1em;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

.eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--terracotta);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow-light{color:var(--terracotta-light);}

.arrow{display:inline-block;transition:transform .25s ease;}
.text-link{
  font-weight:600;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
}
.text-link:hover .arrow{transform:translateX(4px);}
.text-link.small{font-size:13px;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-dark{background:var(--navy);color:#fff;}
.btn-dark:hover{background:#000;}
.btn-outline{background:transparent;border-color:#c9d7ec;color:var(--ink);}
.btn-outline:hover{border-color:var(--ink);}
.btn-sm{padding:10px 20px;font-size:13px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";
  position:absolute;inset:0;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  z-index:-1;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;padding-bottom:16px;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  font-family:var(--font-display);
  font-size:20px;
  border:1px dashed #c9d7ec;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  flex-shrink:0;
  overflow:hidden;
  color:var(--ink-soft);
  background:var(--card);
  transition:border-color .2s ease, background .2s ease;
}
.logo-mark:hover{border-color:var(--terracotta);}
.logo-mark .logo-placeholder-icon{width:18px;height:18px;}
.logo-mark img{width:100%;height:100%;object-fit:cover;display:block;}
.logo-light .logo-mark{border-color:rgba(255,255,255,.4);color:#fff;background:#fff;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-family:var(--font-display);font-weight:500;font-size:15px;}
.logo-text small{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);}
.logo-light .logo-text small{color:var(--navy-soft);}

.main-nav{display:flex;gap:28px;}
.main-nav a{font-size:14px;font-weight:500;color:var(--ink-soft);transition:color .2s;}
.main-nav a:hover{color:var(--ink);}

.header-actions{display:flex;align-items:center;gap:18px;}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:6px;
}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block;}

/* ============ HERO ============ */
.hero{padding-top:56px;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/5;background:transparent;}
.hero-media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:72% 12%;
  transform:scale(1.12);
  transform-origin:70% 0%;
}
.hero-media::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:38%;
  background:linear-gradient(to bottom, rgba(255,255,255,0) 0%, var(--cream) 90%);
  z-index:1;
  pointer-events:none;
}
.hero-wordmark{
  position:absolute;top:28px;left:28px;
  font-family:var(--font-display);
  font-style:italic;
  font-size:26px;
  color:#fff;
  text-shadow:0 2px 12px rgba(0,0,0,.35);
  z-index:2;
}
.hero-copy h1{font-size:clamp(40px,5vw,64px);line-height:1.03;}
.hero-text{max-width:420px;font-size:16px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;}

.feature-strip{
  margin-top:64px;
  padding:36px 0;
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.feature-item{display:flex;align-items:center;gap:14px;font-size:13px;font-weight:600;color:var(--ink);}
.feature-icon{
  width:42px;height:42px;flex-shrink:0;
  border-radius:50%;
  background:var(--card);
  display:flex;align-items:center;justify-content:center;
  color:var(--terracotta);
}
.feature-icon svg{width:20px;height:20px;}

/* ============ ABOUT ============ */
.about{padding:110px 0 60px;}
.about-grid{
  display:grid;
  grid-template-columns:.85fr 1.1fr .75fr;
  gap:28px;
  align-items:stretch;
}
.about-copy h2{font-size:clamp(30px,3.4vw,42px);}
.about-copy p{max-width:340px;}
.about-media{border-radius:var(--radius-lg);overflow:hidden;min-height:320px;}
.about-media img{width:100%;height:100%;object-fit:cover;}
.about-cert{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:30px;
  display:flex;flex-direction:column;
  position:relative;
}
.about-cert h3{font-size:36px;margin-bottom:2px;}
.cert-sub{font-size:13px;color:var(--ink-soft);margin-bottom:20px;}
.cert-badge{
  width:56px;height:56px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--terracotta);margin-bottom:20px;
}
.cert-badge svg{width:26px;height:26px;}
.cert-text{font-size:13px;margin:0;}

/* ============ SPECIALTIES ============ */
.specialties{padding:60px 0 110px;}
.specialties-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:44px;gap:24px;flex-wrap:wrap;
}
.specialties-head h2{font-size:clamp(28px,3.2vw,40px);}

.specialties-intro{max-width:760px;margin-bottom:56px;}
.specialties-intro h2{font-size:clamp(24px,2.8vw,34px);}
.specialties-intro p{font-size:15px;}

.specialties-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.spec-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 18px 24px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.spec-card:hover{transform:translateY(-6px);box-shadow:0 18px 30px -20px rgba(15,40,90,.25);}
.spec-figure{
  height:110px;border-radius:var(--radius-sm);
  margin-bottom:18px;
  background:var(--card);
  position:relative;
  overflow:hidden;
}
.spec-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg, rgba(52,101,209,.18), transparent 65%);
  pointer-events:none;
}
.spec-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.spec-card:hover .spec-figure img{transform:scale(1.08);}
.spec-card h4{font-size:16px;font-family:var(--font-body);font-weight:700;margin-bottom:6px;}
.spec-card p{font-size:13px;margin:0;}

/* ============ PREMIUM (dark) ============ */
.premium{
  background:var(--navy);
  color:#fff;
  padding:90px 0;
  position:relative;
  overflow:hidden;
}
.premium-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.premium h2{color:#fff;font-size:clamp(32px,3.6vw,46px);}
.premium-text{color:var(--navy-soft);max-width:420px;}
.premium-list{list-style:none;margin:34px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.premium-list li{display:flex;gap:12px;align-items:flex-start;}
.premium-list .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--purple);margin-top:7px;flex-shrink:0;
  box-shadow:0 0 0 4px rgba(47,78,163,.25);
}
.premium-list strong{display:block;font-size:14px;margin-bottom:4px;color:#fff;}
.premium-list p{font-size:13px;color:var(--navy-soft);margin:0;}
.premium-media{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;}
.premium-media img{width:100%;height:100%;object-fit:cover;}

/* ============ VIDEOS ============ */
.videos{padding:110px 0;}
.videos-grid{display:block;}
.videos-copy h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:44px;}
.video-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.video-thumb{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:4/3;margin-bottom:18px;
}
.video-thumb img{width:100%;height:100%;object-fit:cover;}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;
  background:#fff;border:none;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);cursor:pointer;
  transition:transform .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);}
.play-btn svg{width:20px;height:20px;margin-left:2px;}
.video-card h4{font-size:18px;margin-bottom:6px;}
.video-card p{font-size:13px;margin-bottom:10px;}

/* ============ TESTIMONIALS ============ */
.testimonials{padding:0 0 110px;}
.testimonials h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:44px;}
.testi-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.testi-card{
  background:var(--card);
  border-radius:var(--radius-md);
  padding:28px;
}
.testi-card p{font-style:italic;color:var(--ink);font-size:14.5px;margin-bottom:22px;}
.testi-author{display:flex;align-items:center;gap:12px;}
.testi-author img{width:38px;height:38px;border-radius:50%;object-fit:cover;}
.testi-author strong{display:block;font-size:13px;}
.testi-author span{font-size:12px;color:var(--ink-soft);}
.testi-dots{display:flex;justify-content:center;gap:8px;margin-top:32px;}
.testi-dots button{
  width:8px;height:8px;border-radius:50%;border:none;
  background:var(--line);cursor:pointer;padding:0;
}
.testi-dots button.active{background:var(--terracotta);}

/* ============ FAQ ============ */
.faq{padding:0 0 110px;}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;}
.faq h2{font-size:clamp(28px,3.2vw,40px);}
.faq-list{display:flex;flex-direction:column;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-question{
  width:100%;text-align:left;background:none;border:none;
  padding:22px 0;font-family:var(--font-display);font-size:18px;
  color:var(--ink);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-icon{
  font-size:20px;color:var(--terracotta);
  transition:transform .25s ease;
  flex-shrink:0;
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-answer p{padding-bottom:20px;font-size:14px;max-width:560px;}
.faq-item.open .faq-answer{max-height:200px;}

/* ============ CTA ============ */
.cta{padding-bottom:110px;}
.cta-grid{
  position:relative;
  display:grid;grid-template-columns:1fr;
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.cta-media{position:relative;aspect-ratio:16/7;}
.cta-media img{width:100%;height:100%;object-fit:cover;}
.cta-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.7) 45%, rgba(13,27,51,.1) 100%);
}
.cta-mark{
  position:absolute;bottom:24px;right:28px;
  font-family:var(--font-display);font-style:italic;
  font-size:22px;color:#fff;z-index:2;
}
.cta-copy{
  position:absolute;top:0;left:0;height:100%;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 48px;max-width:560px;z-index:2;
}
.cta-copy h2{font-size:clamp(26px,3vw,38px);}

.info-strip{
  margin-top:48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding-top:40px;border-top:1px solid var(--line);
}
.info-item{display:flex;gap:14px;align-items:flex-start;}
.info-item strong{display:block;font-size:14px;margin-bottom:2px;}
.info-item p{font-size:13px;margin:0;}

/* ============ FOOTER ============ */
.site-footer{background:var(--navy);color:#cfd0da;padding:70px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand p{color:var(--navy-soft);margin-top:16px;font-size:13px;max-width:220px;}
.footer-col h5{
  font-size:12px;text-transform:uppercase;letter-spacing:.1em;
  color:#fff;margin-bottom:16px;font-weight:600;
}
.footer-col a,.footer-col p{
  display:block;font-size:13px;color:var(--navy-soft);
  margin-bottom:10px;transition:color .2s;
}
.footer-col a:hover{color:#fff;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  color:#fff;
}
.social-row svg{width:16px;height:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;
  padding:22px 32px;font-size:12px;color:var(--navy-soft);
}

/* ============ WHATSAPP FLOTANTE ============ */
.whatsapp-float{
  position:fixed;
  left:26px;
  bottom:26px;
  width:58px;height:58px;
  border-radius:50%;
  background:#25D366;
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -8px rgba(37,211,102,.6);
  z-index:95;
  opacity:0;
  transform:scale(.6);
  transition:opacity .35s ease, transform .3s ease, box-shadow .2s ease;
}
.whatsapp-float svg{width:26px;height:26px;}
.whatsapp-float.show{opacity:1;transform:scale(1);}
.whatsapp-float:hover{transform:scale(1.08);box-shadow:0 16px 32px -8px rgba(37,211,102,.75);}

/* ============ ANIMACIONES ============ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(28px);}
  to{opacity:1;transform:translateY(0);}
}
@keyframes fadeIn{
  from{opacity:0;}
  to{opacity:1;}
}
@keyframes pulseRing{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55);}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}
@keyframes floatY{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-6px);}
}

/* Entrada animada del hero (no depende de scroll) */
.hero-copy .eyebrow,
.hero-copy h1,
.hero-copy .hero-text,
.hero-copy .hero-actions{
  opacity:0;
  animation:fadeUp .8s ease forwards;
}
.hero-copy .eyebrow{animation-delay:.05s;}
.hero-copy h1{animation-delay:.15s;}
.hero-copy .hero-text{animation-delay:.3s;}
.hero-copy .hero-actions{animation-delay:.45s;}
.hero-media{opacity:0;animation:fadeIn 1s ease .1s forwards;}

/* Utilidad de reveal activada por IntersectionObserver (ver script.js) */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Micro-interacciones adicionales */
.about-media img,
.premium-media img{transition:transform .6s ease;}
.about-media:hover img,
.premium-media:hover img{transform:scale(1.05);}

.video-thumb img{transition:transform .6s ease;}
.video-card:hover .video-thumb img{transform:scale(1.06);}

.testi-card{transition:transform .3s ease, box-shadow .3s ease;}
.testi-card:hover{transform:translateY(-4px);box-shadow:0 18px 30px -22px rgba(15,40,90,.3);}

.feature-icon{transition:transform .3s ease, background .3s ease, color .3s ease;}
.feature-item:hover .feature-icon{
  transform:translateY(-3px);
  background:var(--terracotta);
  color:#fff;
}

/* Pulso de atención en el botón flotante de WhatsApp */
.whatsapp-float.show{animation:floatY 3s ease-in-out infinite;}
.whatsapp-float::before{
  content:"";
  position:absolute;inset:0;
  border-radius:50%;
  animation:pulseRing 2.4s ease-out infinite;
}

@media (prefers-reduced-motion: reduce){
  .hero-copy .eyebrow,
  .hero-copy h1,
  .hero-copy .hero-text,
  .hero-copy .hero-actions,
  .hero-media,
  .reveal{
    animation:none !important;
    transition:none !important;
    opacity:1 !important;
    transform:none !important;
  }
  .whatsapp-float.show{animation:none;}
  .whatsapp-float::before{animation:none;}
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px){
  .about-grid{grid-template-columns:1fr 1fr;}
  .about-cert{grid-column:span 2;flex-direction:row;align-items:center;gap:24px;}
  .specialties-grid{grid-template-columns:repeat(3,1fr);}
  .premium-list{grid-template-columns:1fr;}
  .video-cards{grid-template-columns:1fr 1fr;}
  .testi-track{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;}
}

@media (max-width: 780px){
  .main-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;
    background-color:var(--cream);
    opacity:1;
    z-index:99;
    flex-direction:column;
    padding:100px 32px 32px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .header-inner{padding-top:20px;padding-bottom:20px;}
  .hero-grid{grid-template-columns:1fr;}
  .feature-strip{grid-template-columns:1fr 1fr;}
  .about-grid{grid-template-columns:1fr;}
  .about-cert{grid-column:auto;flex-direction:column;}
  .specialties-grid{grid-template-columns:1fr 1fr;}
  .specialties-head{flex-direction:column;align-items:flex-start;}
  .premium-grid{grid-template-columns:1fr;}
  .video-cards{grid-template-columns:1fr;}
  .testi-track{grid-template-columns:1fr;}
  .cta-copy{position:static;padding:32px 24px;max-width:none;background:var(--cream);}
  .cta-media{aspect-ratio:16/10;}
  .cta-media::after{display:none;}
  .info-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .whatsapp-float{width:52px;height:52px;left:16px;}
  .whatsapp-float svg{width:22px;height:22px;}
}

@media (max-width: 480px){
  .wrap{padding:0 20px;}
  .specialties-grid{grid-template-columns:1fr;}
  .info-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .header-inner{padding-top:20px;padding-bottom:20px;}

}