/* ==========================================================================
   Innovación Azul — Sistema de diseño
   HTML5 + CSS3 puro. Sin frameworks.
   ========================================================================== */

/* ---- Fuentes autohospedadas ---- */
@font-face{font-family:'Montserrat';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/montserrat-400.woff2') format('woff2');}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/montserrat-500.woff2') format('woff2');}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/montserrat-600.woff2') format('woff2');}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/montserrat-700.woff2') format('woff2');}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:800;font-display:swap;src:url('../assets/fonts/montserrat-800.woff2') format('woff2');}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:900;font-display:swap;src:url('../assets/fonts/montserrat-900.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/poppins-400.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/poppins-500.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/poppins-600.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/poppins-700.woff2') format('woff2');}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/opensans-400.woff2') format('woff2');}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/opensans-600.woff2') format('woff2');}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/opensans-700.woff2') format('woff2');}

/* ---- Tokens ---- */
:root{
  /* Paleta corporativa extraída del sitio original (Divi CSS + logo) */
  --navy-950:#080f22;
  --navy-900:#0d1a3a;
  --navy-800:#132552;
  --blue-600:#233dff;
  --blue-500:#2ea3f2;
  --blue-400:#4cb7fd;
  --coral-500:#ef8f61;
  --coral-600:#e17a48;

  --ink-900:#0f1626;
  --ink-700:#33405a;
  --ink-500:#5c6b85;
  --paper-0:#ffffff;
  --paper-50:#f5f7fb;
  --paper-100:#eaeff6;
  --line-soft:#dde5ef;
  --line-dark:rgba(255,255,255,.14);

  --font-display:'Montserrat',Helvetica,Arial,sans-serif;
  --font-accent:'Poppins',Helvetica,Arial,sans-serif;
  --font-body:'Open Sans',Arial,sans-serif;

  --wrap:1220px;
  --gap:clamp(1.5rem,3vw,3rem);
  --radius:14px;
  --ease:cubic-bezier(.22,1,.36,1);
  --dur-fast:.25s;
  --dur-mid:.6s;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;}
ul[role="list"],ul.media-chips,ul.social-list,ul.contact-list{list-style:none;padding:0;}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

body{
  font-family:var(--font-body);
  color:var(--ink-700);
  background:var(--paper-0);
  line-height:1.6;
  font-size:16px;
}

h1,h2,h3{font-family:var(--font-display);color:var(--ink-900);line-height:1.15;font-weight:800;}
h1{font-size:clamp(2.4rem,5vw + .5rem,4.4rem);letter-spacing:-.02em;}
h2{font-size:clamp(1.8rem,3vw + .5rem,2.75rem);letter-spacing:-.01em;}
h3{font-family:var(--font-accent);font-size:1.15rem;font-weight:600;}

em{font-style:normal;color:var(--blue-500);}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem);}

.skip-link{
  position:absolute;left:1rem;top:-60px;z-index:200;
  background:var(--navy-900);color:#fff;padding:.75rem 1.25rem;border-radius:8px;
  transition:top var(--dur-fast) var(--ease);
}
.skip-link:focus{top:1rem;}

:focus-visible{outline:3px solid var(--coral-500);outline-offset:3px;}

section[id]{scroll-margin-top:84px;}

/* ---- Botones ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.9rem;border-radius:999px;font-weight:700;font-size:.95rem;
  text-decoration:none;transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--coral-500);color:var(--navy-950);box-shadow:0 10px 24px -10px rgba(239,143,97,.6);}
.btn-primary:hover{background:var(--coral-600);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:inherit;border:1.5px solid currentColor;}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-small{padding:.7rem 1.4rem;font-size:.85rem;}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  padding-block:.9rem;
  background:transparent;
  transition:background var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),padding var(--dur-fast) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  box-shadow:0 6px 24px -12px rgba(13,26,58,.25);
  padding-block:.55rem;
}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.brand{display:inline-flex;align-items:center;}
.brand-logo{height:32px;width:auto;display:block;}
.brand-logo--dark{display:none;}
.site-header.is-scrolled .brand-logo--light{display:none;}
.site-header.is-scrolled .brand-logo--dark{display:block;}

.main-nav ul{display:flex;align-items:center;gap:clamp(1rem,2vw,2.1rem);}
.main-nav a{
  font-family:var(--font-accent);font-weight:500;font-size:.95rem;
  text-decoration:none;color:var(--navy-900);
  position:relative;padding-block:.3rem;
}
.site-header:not(.is-scrolled) .main-nav a{color:#fff;}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--coral-500);
  transition:width var(--dur-fast) var(--ease);
}
.main-nav a:hover::after{width:100%;}
.main-nav .nav-cta{
  background:var(--coral-500);color:var(--navy-950) !important;padding:.55rem 1.2rem;border-radius:999px;
}
.main-nav .nav-cta::after{display:none;}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:.4rem;}
.nav-toggle span{width:26px;height:2px;background:#fff;border-radius:2px;transition:transform var(--dur-fast) var(--ease),opacity var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease);}
.site-header.is-scrolled .nav-toggle span{background:var(--navy-900);}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  padding-block:clamp(7rem,14vw,10rem) clamp(4rem,8vw,6rem);
  background:
    radial-gradient(120% 90% at 82% -10%,rgba(76,183,253,.35),transparent 60%),
    linear-gradient(160deg,var(--navy-950) 0%,var(--navy-900) 55%,var(--navy-800) 100%);
  color:#fff;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.35fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center;
  perspective:1200px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-accent);font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue-400);margin-bottom:1.1rem;
}
.eyebrow--light{color:var(--blue-400);}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--coral-500);box-shadow:0 0 0 4px rgba(239,143,97,.25);}

.hero-copy h1{color:#fff;margin-bottom:1.4rem;}
.hero-lead{font-size:1.1rem;max-width:46ch;color:rgba(255,255,255,.78);margin-bottom:2.1rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.6rem;}
.hero-stats{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem;font-family:var(--font-accent);color:rgba(255,255,255,.85);font-size:.95rem;}
.hero-stats strong{font-family:var(--font-display);font-size:1.6rem;color:var(--coral-500);}
.stat-sep{opacity:.4;}

.hero-visual{position:relative;aspect-ratio:1/1;max-width:420px;margin-inline:auto;display:grid;place-items:center;transform:scale(1.4);}
.orbit{width:100%;height:100%;overflow:visible;}
.orbit-ring{fill:none;stroke:rgba(255,255,255,.16);stroke-width:1;}
.orbit-ring--2{stroke:rgba(76,183,253,.28);}
.orbit-ring--3{stroke:rgba(239,143,97,.3);}
.orbit-band{fill:none;stroke-linecap:round;stroke-width:6;}
.orbit-band--a{stroke:var(--blue-500);animation:spin 22s linear infinite;transform-origin:200px 200px;}
.orbit-band--b{stroke:var(--coral-500);animation:spin 16s linear infinite reverse;transform-origin:200px 200px;}
.hero-visual-core{
  position:absolute;font-family:var(--font-display);font-weight:900;font-size:2.4rem;color:#fff;
  letter-spacing:-.02em;
}
@keyframes spin{to{transform:rotate(360deg);}}

.ribbon-divider{line-height:0;margin-top:clamp(2rem,6vw,4rem);}
.ribbon-divider--flip{transform:scaleY(-1);margin-top:0;}
.ribbon-path{fill:none;stroke:var(--blue-400);stroke-width:2;stroke-dasharray:6 10;opacity:.5;}

/* ==========================================================================
   Secciones genéricas
   ========================================================================== */
.section{padding-block:clamp(4.5rem,9vw,7rem);}
.section--dark{background:var(--navy-950);color:rgba(255,255,255,.82);}
.section--dark h2,.section--dark h3{color:#fff;}
.section--tint{background:var(--paper-50);}

.section-head{max-width:60ch;margin-bottom:clamp(2.5rem,5vw,3.5rem);}
.section-intro{margin-top:1rem;font-size:1.05rem;color:var(--ink-500);}
.section--dark .section-intro{color:rgba(255,255,255,.65);}

.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem);align-items:center;}
.section-grid--reverse{grid-template-columns:1fr 1.05fr;}
.section-grid--reverse .section-media{order:2;}

.section-copy h2{margin-block:.4rem 1.2rem;}
.section-copy p + p{margin-top:1rem;}
.pull-quote{
  margin-top:1.8rem;padding-inline-start:1.4rem;border-left:3px solid var(--coral-500);
  font-family:var(--font-accent);font-style:normal;font-size:1.15rem;color:var(--navy-900);
}

.media-frame{
  border-radius:var(--radius);overflow:hidden;position:relative;aspect-ratio:4/3;
  box-shadow:0 30px 60px -30px rgba(13,26,58,.4);
}
.media-frame--tall{aspect-ratio:1/1;}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(13,26,58,.55),rgba(35,61,255,.25) 60%,transparent);
  mix-blend-mode:multiply;
}
.media-chips{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.2rem;}
.media-chips li{
  display:flex;align-items:center;gap:.5rem;background:var(--paper-50);border:1px solid var(--line-soft);
  padding:.5rem .9rem .5rem .5rem;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--navy-900);
}
.media-chips img{width:26px;height:26px;}

/* ---- Servicios (índice acordeón) ---- */
.service-index{border-top:1px solid var(--line-dark);}
.service-row{border-bottom:1px solid var(--line-dark);}
.service-toggle{
  width:100%;display:grid;grid-template-columns:auto auto 1fr auto;align-items:center;gap:1.25rem;
  padding-block:1.6rem;text-align:left;
}
.service-num{font-family:var(--font-display);font-weight:800;font-size:1rem;color:var(--blue-400);}
.service-icon{width:44px;height:44px;filter:drop-shadow(0 0 0 transparent);}
.service-name{font-family:var(--font-accent);font-weight:600;font-size:clamp(1.1rem,2vw,1.5rem);color:#fff;}
.service-plus{position:relative;width:22px;height:22px;flex-shrink:0;}
.service-plus::before,.service-plus::after{
  content:"";position:absolute;background:var(--coral-500);border-radius:2px;transition:transform var(--dur-fast) var(--ease);
}
.service-plus::before{inset-inline:0;top:50%;height:2px;transform:translateY(-50%);}
.service-plus::after{inset-block:0;left:50%;width:2px;transform:translateX(-50%);}
.service-toggle[aria-expanded="true"] .service-plus::after{transform:translateX(-50%) rotate(90deg) scaleY(0);}

.service-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur-mid) var(--ease);}
.service-panel > p{overflow:hidden;padding-inline-start:calc(44px + 1rem + 2.4rem);max-width:65ch;color:rgba(255,255,255,.68);}
.service-toggle[aria-expanded="true"] + .service-panel{grid-template-rows:1fr;padding-bottom:1.6rem;}
.service-panel{overflow:hidden;}

/* ---- Resultados ---- */
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.25rem,3vw,2rem);margin-bottom:clamp(3rem,6vw,4.5rem);}
.result-card{
  background:var(--paper-50);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:2rem 1.75rem;text-align:left;
}
.result-card img{width:48px;height:48px;margin-bottom:1.1rem;}
.result-number{
  font-family:var(--font-display);font-weight:900;font-size:clamp(2.2rem,4vw,3rem);line-height:1;
  background:linear-gradient(90deg,var(--blue-600),var(--blue-500),var(--coral-500),var(--blue-600));
  background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:text-flow 7s linear infinite;
}
.result-label{margin-top:.5rem;color:var(--ink-500);font-size:.98rem;}

.approach-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.5rem);border-top:1px solid var(--line-soft);padding-top:clamp(2rem,4vw,2.75rem);}
.approach-item{display:flex;gap:1rem;align-items:flex-start;}
.approach-item img{width:36px;height:36px;flex-shrink:0;margin-top:.2rem;}
.approach-item h3{margin-bottom:.35rem;color:var(--navy-900);}
.approach-item p{color:var(--ink-500);font-size:.95rem;}

/* ---- Cursos ---- */
.course-card{
  margin-top:1.8rem;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:clamp(1.75rem,3vw,2.25rem);box-shadow:0 20px 45px -25px rgba(13,26,58,.35);
}
.course-tag{
  display:inline-block;background:rgba(35,61,255,.1);color:var(--blue-600);font-weight:700;font-size:.75rem;
  letter-spacing:.08em;text-transform:uppercase;padding:.35rem .8rem;border-radius:999px;margin-bottom:.9rem;
}
.course-card h3{font-size:1.4rem;margin-bottom:.6rem;}
.course-card p{color:var(--ink-500);margin-bottom:1.4rem;}

/* ---- Testimonios (marquee) ---- */
.testimonials .section-head{margin-bottom:2.5rem;}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);}
.marquee-track{display:flex;gap:1.5rem;width:max-content;animation:marquee 42s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

.testimonial-card{
  flex:0 0 clamp(280px,32vw,380px);background:var(--navy-900);border:1px solid var(--line-dark);
  border-radius:var(--radius);padding:1.9rem;
}
.testimonial-card p{font-size:1rem;color:rgba(255,255,255,.85);margin-bottom:1.3rem;}
.testimonial-card footer{display:flex;flex-direction:column;font-size:.85rem;}
.testimonial-card strong{color:var(--coral-500);font-family:var(--font-accent);}
.testimonial-card span{color:rgba(255,255,255,.5);}

/* ---- Contacto ---- */
@property --border-angle{
  syntax:'<angle>';inherits:false;initial-value:0deg;
}
.contact-media{position:relative;border-radius:calc(var(--radius) + 3px);}
.contact-card{
  --border-angle:0deg;
  position:relative;z-index:1;overflow:hidden;
  background:
    linear-gradient(160deg,var(--navy-900),var(--navy-950)) padding-box,
    conic-gradient(from var(--border-angle),var(--blue-500),var(--blue-400),var(--coral-500),var(--blue-600),var(--blue-500)) border-box;
  border:2px solid transparent;color:#fff;border-radius:var(--radius);
  padding:clamp(2rem,4vw,2.75rem);
  animation:border-spin 9s linear infinite;
}
@keyframes border-spin{to{--border-angle:360deg;}}
.contact-card::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(76,183,253,.1) 1px,transparent 1px),
    linear-gradient(90deg,rgba(76,183,253,.1) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:radial-gradient(110% 90% at 100% 0%,#000,transparent 70%);
  mask-image:radial-gradient(110% 90% at 100% 0%,#000,transparent 70%);
  animation:grid-pan 24s linear infinite;
}
.contact-card::after{
  content:"";position:absolute;top:-20%;right:-15%;width:55%;height:55%;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(76,183,253,.3),transparent 70%);
  animation:float-glow 8s ease-in-out infinite;pointer-events:none;
}
.contact-card > *{position:relative;z-index:1;}
.contact-card h3{color:#fff;font-size:1.5rem;margin-bottom:.7rem;}
.contact-card > p{color:rgba(255,255,255,.7);margin-bottom:1.6rem;}

.availability-badge{
  display:inline-flex;align-items:center;gap:.55rem;margin-bottom:1.2rem;
  font-family:var(--font-accent);font-size:.78rem;font-weight:600;letter-spacing:.03em;
  color:var(--blue-400);background:rgba(76,183,253,.1);border:1px solid rgba(76,183,253,.28);
  padding:.4rem .8rem;border-radius:999px;
}
.status-dot{position:relative;width:8px;height:8px;border-radius:50%;background:#4ade80;flex-shrink:0;}
.status-dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;border:1.5px solid #4ade80;
  animation:radar-ping 2s var(--ease) infinite;
}

.contact-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.8rem;}
.contact-list li{
  display:flex;align-items:center;gap:.9rem;border-top:1px solid var(--line-dark);padding-top:.9rem;
  transition:transform var(--dur-fast) var(--ease);
}
.contact-list li:hover{transform:translateX(4px);}
.contact-icon{
  display:grid;place-items:center;flex-shrink:0;width:38px;height:38px;border-radius:10px;
  background:rgba(76,183,253,.12);border:1px solid rgba(76,183,253,.3);color:var(--blue-400);
  transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease);
}
.contact-icon svg{width:19px;height:19px;}
.contact-list li:hover .contact-icon{background:var(--coral-500);color:var(--navy-950);border-color:var(--coral-500);box-shadow:0 0 16px -2px rgba(239,143,97,.7);}
.contact-text{display:flex;flex-direction:column;gap:.15rem;}
.contact-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue-400);}
.contact-list a{text-decoration:none;font-weight:600;font-size:1.05rem;transition:color var(--dur-fast) var(--ease);}
.contact-list li:hover a{color:var(--coral-500);}
.social-list{display:flex;gap:1rem;flex-wrap:wrap;}
.social-list a{
  position:relative;text-decoration:none;font-size:.85rem;font-weight:600;border:1px solid var(--line-dark);
  padding:.5rem 1rem;border-radius:999px;transition:border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease);
}
.social-list a:hover{border-color:var(--coral-500);color:var(--coral-500);box-shadow:0 0 14px -4px rgba(239,143,97,.6);}

.contact-form{margin-top:1.6rem;display:flex;flex-direction:column;gap:1.3rem;}
.form-row{display:flex;flex-direction:column;gap:.4rem;position:relative;}
.form-row label{font-size:.85rem;font-weight:600;color:var(--navy-900);}
.form-row input,.form-row textarea{
  border:1.5px solid var(--line-soft);border-radius:10px;padding:.85rem 1rem;background:var(--paper-50);
  transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease);
  resize:vertical;position:relative;
}
.form-row input:focus,.form-row textarea:focus{border-color:var(--blue-500);background:#fff;outline:none;}
.form-row::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:linear-gradient(90deg,var(--blue-500),var(--coral-500));
  transition:width var(--dur-mid) var(--ease);
}
.form-row:focus-within::after{width:100%;}
.form-note{font-size:.9rem;color:var(--blue-600);min-height:1.2em;opacity:0;transform:translateY(-4px);transition:opacity var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease);}
.form-note.is-shown{opacity:1;transform:translateY(0);}

/* ---- Botón de envío: estado de carga ---- */
.btn-spinner{
  display:none;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(10,15,34,.25);border-top-color:var(--navy-950);
  animation:spin .8s linear infinite;
}
.btn.is-loading .btn-label{opacity:0;}
.btn.is-loading .btn-spinner{display:block;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);}
.btn.is-loading{pointer-events:none;opacity:.85;}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.65);padding-block:clamp(3rem,6vw,4.5rem) 1.5rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--line-dark);}
.footer-brand{display:block;}
.footer-brand img{height:39px;width:auto;display:block;margin-bottom:1.1rem;}
.footer-brand p{max-width:32ch;font-size:.9rem;}
.footer-nav h3{color:#fff;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1rem;}
.footer-nav ul{display:flex;flex-direction:column;gap:.65rem;}
.footer-nav a{text-decoration:none;font-size:.92rem;}
.footer-nav a:hover{color:var(--coral-500);}
.footer-bottom{padding-top:1.5rem;font-size:.82rem;}

.to-top{
  position:fixed;right:1.5rem;bottom:1.5rem;width:46px;height:46px;border-radius:50%;
  background:var(--coral-500);color:var(--navy-950);font-size:1.2rem;font-weight:700;
  display:grid;place-items:center;box-shadow:0 12px 24px -10px rgba(13,26,58,.5);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}

/* ==========================================================================
   Scroll reveal (JS añade .is-visible)
   ========================================================================== */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

/* ==========================================================================
   Animaciones futuristas / tecnológicas
   ========================================================================== */

/* ---- Barra de progreso de lectura ---- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;z-index:300;
  background:linear-gradient(90deg,var(--blue-500),var(--blue-600) 45%,var(--coral-500));
  box-shadow:0 0 12px rgba(46,163,242,.65);
  transition:width .12s linear;
}

/* ---- Textura de grilla de datos en fondos oscuros ---- */
.hero::before,.section--dark::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(76,183,253,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(76,183,253,.08) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(130% 100% at 50% 0%,#000,transparent 75%);
  mask-image:radial-gradient(130% 100% at 50% 0%,#000,transparent 75%);
  animation:grid-pan 32s linear infinite;
}
.section--dark{position:relative;overflow:hidden;}
.hero > .wrap,.hero > .ribbon-divider{position:relative;z-index:1;}
.section--dark .wrap,.section--dark .marquee{position:relative;z-index:1;}
@keyframes grid-pan{from{background-position:0 0,0 0;}to{background-position:44px 44px,44px 44px;}}

/* ---- Constelación de datos (canvas) en el hero ---- */
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.6;}

/* ---- Ping de radar (eyebrow y botón "volver arriba") ---- */
.eyebrow-dot{position:relative;}
.eyebrow-dot::after,.to-top::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;border:1.5px solid var(--coral-500);
  animation:radar-ping 2.4s var(--ease) infinite;pointer-events:none;
}
.to-top{overflow:visible;}
@keyframes radar-ping{
  0%{transform:scale(.6);opacity:.85;}
  100%{transform:scale(2.3);opacity:0;}
}

/* ---- Cinta divisoria: señal fluyendo ---- */
.ribbon-path{animation:flow-dash 6s linear infinite;}
@keyframes flow-dash{to{stroke-dashoffset:-160;}}

/* ---- Satélites orbitando en el gráfico del hero ---- */
.orbit-sat--a{fill:var(--coral-500);filter:drop-shadow(0 0 6px rgba(239,143,97,.8));}
.orbit-sat--b{fill:var(--blue-400);filter:drop-shadow(0 0 6px rgba(76,183,253,.8));}

/* ---- Núcleo "4.0": parpadeo tipo HUD ---- */
.hero-visual-core{animation:hud-flicker 4s ease-in-out infinite;}
@keyframes hud-flicker{
  0%,100%{text-shadow:0 0 18px rgba(76,183,253,.7);}
  50%{text-shadow:0 0 30px rgba(239,143,97,.9);}
}

/* ---- Cita destacada: acento pulsante ---- */
.pull-quote{position:relative;}
.pull-quote::before{
  content:"";position:absolute;left:-3px;top:0;bottom:0;width:3px;background:var(--coral-500);
  animation:pulse-opacity 2.6s ease-in-out infinite;
}
@keyframes pulse-opacity{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ---- Iconos de servicios: reacción al pasar el mouse ---- */
.service-icon{transition:transform var(--dur-fast) var(--ease),filter var(--dur-fast) var(--ease);}
.service-toggle:hover .service-icon,.service-toggle:focus-visible .service-icon{
  transform:scale(1.15) rotate(6deg);filter:drop-shadow(0 0 10px rgba(76,183,253,.65));
}

/* ---- Resultados: resplandor flotante + pulso del ícono ---- */
.result-card{position:relative;overflow:hidden;}
.result-card::before{
  content:"";position:absolute;top:-30%;right:-25%;width:60%;height:60%;border-radius:50%;
  background:radial-gradient(circle,rgba(46,163,242,.28),transparent 70%);
  animation:float-glow 7s ease-in-out infinite;pointer-events:none;
}
@keyframes float-glow{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-10px,10px) scale(1.2);}}
.result-card img{position:relative;animation:icon-pulse 3.4s ease-in-out infinite;}
@keyframes icon-pulse{
  0%,100%{filter:drop-shadow(0 0 0 rgba(35,61,255,0));}
  50%{filter:drop-shadow(0 0 9px rgba(35,61,255,.5));}
}
@keyframes text-flow{to{background-position:-300% 0;}}
.counter.is-counting{color:var(--coral-500);}

/* ---- Iconos de la franja de enfoque: flotación suave ---- */
.approach-item img{animation:float-y 4.5s ease-in-out infinite;}
.approach-item:nth-child(2) img{animation-delay:.4s;}
.approach-item:nth-child(3) img{animation-delay:.8s;}
@keyframes float-y{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ---- Imágenes: barrido de escaneo tipo diagnóstico ---- */
.media-frame::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,rgba(76,183,253,.4) 48%,transparent 100%);
  transform:translateY(-120%);
  animation:scan-sweep 6s ease-in-out infinite;
}
@keyframes scan-sweep{
  0%,12%{transform:translateY(-120%);}
  50%,62%{transform:translateY(120%);}
  100%{transform:translateY(120%);}
}

/* ---- Curso destacado: borde con degradado giratorio ---- */
.course-card{
  --border-angle:0deg;
  position:relative;
  background:
    linear-gradient(#fff,#fff) padding-box,
    conic-gradient(from var(--border-angle),var(--blue-500),var(--coral-500),var(--blue-400),var(--blue-500)) border-box;
  border:2px solid transparent;
  animation:border-spin 7s linear infinite;
}

/* ---- Testimonios: resplandor al pasar el mouse ---- */
.testimonial-card{transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);}
.testimonial-card:hover{transform:translateY(-4px);border-color:var(--blue-500);box-shadow:0 20px 40px -20px rgba(46,163,242,.4);}

/* ---- Botones: barrido de brillo ---- */
.btn{position:relative;overflow:hidden;}
.btn::before{
  content:"";position:absolute;top:0;bottom:0;left:-40%;width:35%;
  background:linear-gradient(115deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg) translateX(0);transition:transform .7s var(--ease);
}
.btn:hover::before{transform:skewX(-18deg) translateX(340%);}

/* ---- Formularios: resplandor en foco ---- */
.form-row input:focus,.form-row textarea:focus{box-shadow:0 0 0 4px rgba(46,163,242,.18);}

/* ---- Footer: línea de datos fluyendo ---- */
.site-footer{position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--blue-500),var(--coral-500),var(--blue-400),transparent);
  background-size:200% 100%;animation:flow-bg 6s linear infinite;
}
@keyframes flow-bg{to{background-position:-200% 0;}}

/* ==========================================================================
   Responsive — Laptop
   ========================================================================== */
@media (max-width:1180px){
  .hero-grid{grid-template-columns:1.2fr .8fr;}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;}
}

/* ---- Tablet ---- */
@media (max-width:900px){
  .main-nav{
    position:fixed;inset:0;top:0;background:var(--navy-950);padding:6.5rem 2rem 2rem;
    transform:translateX(100%);transition:transform var(--dur-mid) var(--ease);
    display:block;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:1.6rem;}
  .main-nav a{color:#fff !important;font-size:1.3rem;}
  .nav-toggle{display:flex;}
  .site-header:not(.is-scrolled) .nav-toggle span{background:#fff;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .hero-grid{grid-template-columns:1fr;text-align:left;}
  .hero-visual{max-width:280px;margin-inline:0;margin-top:2.5rem;}

  .section-grid,.section-grid--reverse{grid-template-columns:1fr;}
  .section-grid--reverse .section-media{order:0;}
  .section-media{margin-bottom:1rem;}

  .results-grid{grid-template-columns:1fr 1fr;}
  .approach-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
}

/* ---- Mobile ---- */
@media (max-width:560px){
  .hero{padding-block:6.5rem 3.5rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .service-toggle{grid-template-columns:auto 1fr auto;column-gap:.85rem;row-gap:.5rem;}
  .service-num{display:none;}
  .service-panel > p{padding-inline-start:calc(44px + .85rem);}
  .results-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .testimonial-card{flex-basis:82vw;}
}