/* =============================================================
   NEPTUNDATA — DESIGN TOKENS
   ============================================================= */
:root{
  --blue-deep:   #123B70;
  --blue-deep-2: #0D2C54;
  --blue-tech:   #1769AA;
  --cyan:        #2CB8D6;
  --white:       #FFFFFF;
  --gray-light:  #F3F7FA;
  --gray-dark:   #17212B;
  --gray-mid:    #5B6B7A;
  --border-soft: rgba(18,59,112,0.10);

  --gradient-brand: linear-gradient(120deg, var(--blue-deep) 0%, var(--blue-tech) 55%, var(--cyan) 100%);
  --gradient-soft:  linear-gradient(135deg, rgba(23,105,170,0.08), rgba(44,184,214,0.08));

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;

  --shadow-sm: 0 2px 10px rgba(18,59,112,0.06);
  --shadow-md: 0 12px 32px rgba(18,59,112,0.10);
  --shadow-lg: 0 24px 60px rgba(18,59,112,0.16);

  --ease: cubic-bezier(.22,1,.36,1);
}

/* =============================================================
   RESET
   ============================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth; background:var(--gray-dark);}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--gray-dark);
  background:linear-gradient(180deg, #FFFFFF 0%, #F8FBFD 40%, #F5FAFC 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Decorative aurora blobs — reusable */
.blob{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
svg{width:100%;height:100%;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}

:focus-visible{outline:2px solid var(--cyan); outline-offset:3px; border-radius:4px;}

.container{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 28px;
}

h1,h2,h3,h4{font-family:var(--font-display); font-weight:600; margin:0; line-height:1.1; letter-spacing:-0.01em;}
p{margin:0; line-height:1.65; color:var(--gray-mid);}

.text-gradient{
  background:var(--gradient-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:0.78rem;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--blue-tech);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--gradient-brand);
  display:inline-block;
  border-radius:2px;
}
.eyebrow--light{color:var(--cyan);}

/* Scroll progress bar */
.scroll-progress{
  position:fixed; top:0; left:0; height:3px;
  background:var(--gradient-brand);
  width:0%;
  z-index:2000;
  transition:width 0.1s linear;
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:0.95rem;
  border:1px solid transparent;
  transition:transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--gradient-brand);
  color:var(--white);
  box-shadow:0 10px 24px rgba(23,105,170,0.28);
}
.btn--primary:hover{transform:translateY(-2px); box-shadow:0 16px 32px rgba(23,105,170,0.36);}
.btn--ghost{
  background:transparent;
  color:var(--blue-deep);
  border-color:rgba(18,59,112,0.25);
}
.btn--ghost:hover{border-color:var(--blue-tech); background:rgba(23,105,170,0.05); transform:translateY(-2px);}
.btn--light{
  background:var(--white);
  color:var(--blue-deep);
}
.btn--light:hover{transform:translateY(-2px); box-shadow:0 16px 32px rgba(0,0,0,0.18);}
.btn--sm{padding:10px 20px; font-size:0.85rem;}
.btn--block{width:100%;}

.btn--demo{
  background:var(--white);
  color:var(--blue-deep);
  border:1.5px solid var(--cyan);
  box-shadow:0 8px 20px rgba(44,184,214,0.25);
}
.btn--demo:hover{
  transform:translateY(-2px);
  background:var(--gradient-brand);
  color:var(--white);
  border-color:transparent;
  box-shadow:0 16px 32px rgba(44,184,214,0.38);
}

/* ============ MODAL: PROBAR DEMO ============ */
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:999;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:rgba(13,44,84,0.55);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s var(--ease), visibility .28s var(--ease);
}
.modal-overlay.is-open{
  opacity:1;
  visibility:visible;
}
.modal{
  position:relative;
  width:100%;
  max-width:440px;
  background:var(--white);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  padding:36px 32px 30px;
  transform:translateY(18px) scale(.97);
  opacity:0;
  transition:transform .32s var(--ease), opacity .32s var(--ease);
}
.modal-overlay.is-open .modal{
  transform:translateY(0) scale(1);
  opacity:1;
}
.modal__title{
  font-family:var(--font-display);
  font-size:1.4rem;
  color:var(--blue-deep);
  margin:8px 0 6px;
}
.modal__desc{
  color:var(--gray-mid);
  font-size:0.92rem;
  margin-bottom:20px;
}
.modal .form-field{ margin-bottom:16px; }
.modal__close{
  position:absolute;
  top:16px;
  right:16px;
  width:34px;
  height:34px;
  border:none;
  border-radius:50%;
  background:var(--gray-light);
  color:var(--blue-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s var(--ease);
}
.modal__close svg{width:16px; height:16px; stroke:currentColor; stroke-width:2;}
.modal__close:hover{background:rgba(23,105,170,0.12);}
.modal__error{
  color:#c0392b;
  font-size:0.85rem;
  min-height:1.1em;
  margin:-6px 0 14px;
}
body.modal-open{overflow:hidden;}

/* ============ VIDEO TRIGGERS (Hero) ============ */
.hero__video-group{display:flex; gap:14px; flex-wrap:wrap;}
.video-trigger{
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--white);
  border:1.5px solid rgba(23,105,170,0.18);
  border-radius:14px;
  padding:10px 18px 10px 10px;
  cursor:pointer;
  box-shadow:0 6px 18px rgba(18,59,112,0.08);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.video-trigger:hover{
  transform:translateY(-3px);
  border-color:var(--cyan);
  box-shadow:0 14px 28px rgba(44,184,214,0.22);
}
.video-trigger__icon{
  width:38px;
  height:38px;
  min-width:38px;
  border-radius:50%;
  background:var(--gradient-brand);
  color:var(--white);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 14px rgba(23,105,170,0.35);
  transition:transform .25s var(--ease);
}
.video-trigger__icon svg{width:14px; height:14px;}
.video-trigger:hover .video-trigger__icon{transform:scale(1.1);}
.video-trigger__text{display:flex; flex-direction:column; align-items:flex-start; line-height:1.25;}
.video-trigger__label{
  font-family:var(--font-display);
  font-weight:700;
  font-size:0.88rem;
  color:var(--blue-deep);
  text-transform:uppercase;
  letter-spacing:0.03em;
}
.video-trigger__caption{
  font-size:0.78rem;
  font-weight:600;
  color:var(--blue-tech);
  text-transform:uppercase;
  letter-spacing:0.04em;
}
@media (max-width:640px){
  .hero__video-group{flex-direction:column; align-items:stretch;}
  .video-trigger{width:100%;}
}

/* ============ MODAL: VÍDEO TUTORIAL ============ */
.modal--video{
  max-width:860px;
  width:100%;
  padding:20px;
  background:#0d2c54;
}
.modal--video .modal__close{
  top:-14px;
  right:-14px;
  background:var(--white);
  box-shadow:0 6px 16px rgba(0,0,0,0.25);
}
.modal--video .modal__close:hover{background:var(--gray-light);}
.modal__video-wrap{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  border-radius:calc(var(--radius-lg) - 6px);
  overflow:hidden;
  background:#000;
}
.modal__video-wrap video{
  width:100%;
  height:100%;
  display:block;
  background:#000;
}
@media (max-width:640px){
  .modal--video{padding:12px;}
}

/* =============================================================
   NAVBAR
   ============================================================= */
.navbar{
  position:fixed; top:0; left:0; right:0;
  z-index:1000;
  padding:18px 0;
  transition:background 0.35s var(--ease), padding 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom:1px solid transparent;
}
.navbar.is-scrolled{
  background:rgba(255,255,255,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:12px 0;
  box-shadow:0 4px 24px rgba(18,59,112,0.08);
  border-bottom-color:var(--border-soft);
}
.navbar__inner{display:flex; align-items:center; justify-content:space-between; gap:24px;}
.navbar__brand{display:flex; align-items:center; gap:10px;}
.navbar__logo{height:38px; width:auto; border-radius:9px;}
.navbar__wordmark{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.05rem;
  color:var(--blue-deep);
  letter-spacing:0.01em;
}
.navbar__wordmark strong{color:var(--cyan); font-weight:700;}

.navbar__nav{display:flex; align-items:center; gap:30px;}
.navbar__link{
  font-size:0.92rem;
  font-weight:500;
  color:var(--gray-dark);
  position:relative;
  padding:4px 0;
  transition:color 0.25s var(--ease);
}
.navbar__link::after{
  content:"";
  position:absolute; left:0; bottom:-3px;
  width:0; height:2px;
  background:var(--gradient-brand);
  transition:width 0.3s var(--ease);
  border-radius:2px;
}
.navbar__link:hover{color:var(--blue-tech);}
.navbar__link:hover::after{width:100%;}
.navbar__link.is-active{color:var(--blue-tech);}
.navbar__link.is-active::after{width:100%;}
.navbar__cta{margin-left:6px;}

.navbar__toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:34px; height:34px;
  background:none; border:none;
  padding:0;
}
.navbar__toggle span{
  width:100%; height:2px;
  background:var(--blue-deep);
  border-radius:2px;
  transition:transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.navbar__toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.navbar__toggle.is-open span:nth-child(2){opacity:0;}
.navbar__toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =============================================================
   HERO
   ============================================================= */
.hero{
  position:relative;
  padding:168px 0 110px;
  overflow:hidden;
  background:
    radial-gradient(1200px 650px at 85% -8%, rgba(44,184,214,0.24), transparent 62%),
    radial-gradient(950px 550px at -8% 15%, rgba(23,105,170,0.20), transparent 58%),
    radial-gradient(700px 500px at 50% 100%, rgba(18,59,112,0.08), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, #F6FAFD 100%);
}
.hero__spotlight{
  position:absolute; inset:0;
  z-index:1;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,20%), rgba(44,184,214,0.14), transparent 70%);
  pointer-events:none;
  opacity:0;
  transition:opacity 0.4s var(--ease);
}
.hero:hover .hero__spotlight{opacity:1;}
.hero__grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(18,59,112,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,59,112,0.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 60% 20%, black 10%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 60% 20%, black 10%, transparent 75%);
}
.hero__circuit{
  position:absolute; inset:0;
  width:100%; height:100%;
  opacity:0.55;
  pointer-events:none;
}
.hero__circuit .circuit-lines path{stroke:url(#none); stroke:rgba(23,105,170,0.35);}
.hero__circuit .circuit-nodes circle{fill:var(--white); stroke:var(--blue-tech);}
.hero__circuit .circuit-nodes .pulse{
  fill:var(--cyan); stroke:var(--cyan);
  animation:pulseNode 2.6s ease-in-out infinite;
}
@keyframes pulseNode{
  0%,100%{opacity:1; r:5;}
  50%{opacity:0.35; r:9;}
}

.hero__inner{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:56px;
  align-items:center;
}
.hero__title{
  font-size:clamp(2.4rem, 4.6vw, 3.8rem);
  color:var(--blue-deep);
  margin-bottom:22px;
}
.hero__subtitle{
  font-size:1.1rem;
  max-width:520px;
  margin-bottom:36px;
}
.hero__actions{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:52px;}
.hero__stats{display:flex; gap:34px; flex-wrap:wrap;}
.hero__stat{
  display:flex; flex-direction:column;
  font-size:0.82rem; color:var(--gray-mid); font-weight:500;
}
.hero__stat span{
  font-family:var(--font-display);
  font-size:1.6rem; font-weight:700;
  color:var(--blue-deep);
  margin-bottom:2px;
}

.hero__visual{position:relative; display:flex; align-items:center; justify-content:center; min-height:420px;}
.hero__logo-halo{
  position:relative;
  width:320px; height:320px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(44,184,214,0.16), transparent 65%);
  animation:float 6s ease-in-out infinite;
}
.hero__logo-halo::before{
  content:"";
  position:absolute; inset:0;
  border-radius:50%;
  border:1px dashed rgba(23,105,170,0.28);
  animation:spin 40s linear infinite;
}
.hero__logo-halo::after{
  content:"";
  position:absolute; inset:34px;
  border-radius:50%;
  border:1px solid rgba(44,184,214,0.35);
}
.hero__logo{
  position:relative; z-index:2;
  width:230px; height:auto;
  border-radius:28px;
  filter:drop-shadow(0 18px 40px rgba(18,59,112,0.28));
}
@keyframes float{0%,100%{transform:translateY(0);} 50%{transform:translateY(-14px);}}
@keyframes spin{from{transform:rotate(0deg);} to{transform:rotate(360deg);}}

.hero__card{
  position:absolute;
  background:var(--white);
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow-md);
  border-radius:var(--radius-sm);
  padding:12px 18px;
  font-size:0.82rem;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--blue-deep);
  animation:float 6s ease-in-out infinite;
}
.hero__card--top{top:6%; right:2%; animation-delay:0.4s;}
.hero__card--bottom{left:0%; bottom:10%; flex-direction:column; align-items:flex-start; gap:2px; animation-delay:1s;}
.hero__card-label{font-size:0.72rem; font-weight:500; color:var(--gray-mid);}
.hero__card-value{font-family:var(--font-display); font-size:1.3rem; color:var(--cyan); font-weight:700;}
.dot{width:8px; height:8px; border-radius:50%; display:inline-block;}
.dot--live{background:#2CD68B; box-shadow:0 0 0 4px rgba(44,214,139,0.2); animation:blink 1.8s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;} 50%{opacity:0.4;}}

/* =============================================================
   SECTIONS — SHARED
   ============================================================= */
.section{padding:120px 0; position:relative; overflow:hidden;}
.section .container{position:relative; z-index:1;}
.section--alt{background:var(--gray-light);}
.section--dark{
  background:linear-gradient(160deg, var(--blue-deep-2), var(--blue-deep) 60%, #0F335F);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.section--dark::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(44,184,214,0.16) 1px, transparent 1px);
  background-size:26px 26px;
  opacity:0.5;
}

/* Section-specific color washes (aurora blobs) */
#servicios::before{
  content:""; position:absolute; top:-140px; right:-120px;
  width:460px; height:460px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.30), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#servicios::after{
  content:""; position:absolute; bottom:-200px; left:-160px;
  width:480px; height:480px; z-index:0;
  background:radial-gradient(circle, rgba(18,59,112,0.16), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#nosotros::before{
  content:""; position:absolute; top:-160px; left:-140px;
  width:500px; height:500px; z-index:0;
  background:radial-gradient(circle, rgba(23,105,170,0.18), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#nosotros::after{
  content:""; position:absolute; bottom:-180px; right:-140px;
  width:420px; height:420px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.24), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#proyectos::before{
  content:""; position:absolute; top:-120px; left:20%;
  width:520px; height:400px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.20), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#beneficios::before{
  content:""; position:absolute; top:-100px; right:-120px;
  width:440px; height:440px; z-index:0;
  background:radial-gradient(circle, rgba(18,59,112,0.16), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#beneficios::after{
  content:""; position:absolute; bottom:-160px; left:-100px;
  width:380px; height:380px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.22), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#contacto::before{
  content:""; position:absolute; top:10%; right:-160px;
  width:460px; height:460px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.30), transparent 70%);
  filter:blur(20px); pointer-events:none;
}
#contacto::after{
  content:""; position:absolute; bottom:-140px; left:-120px;
  width:380px; height:380px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.14), transparent 70%);
  filter:blur(20px); pointer-events:none;
}

.section__head{max-width:680px; margin:0 auto 64px; text-align:center;}
.section__head--light .section__lead{color:rgba(255,255,255,0.72);}
.section__title{font-size:clamp(1.8rem, 3vw, 2.5rem); color:var(--blue-deep); margin-bottom:18px;}
.section__title--light{color:var(--white);}
.section__lead{font-size:1.05rem;}

/* Reveal on scroll */
[data-reveal]{
  opacity:0;
  transform:translateY(28px);
  transition:opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible{opacity:1; transform:translateY(0);}

/* Red de seguridad: si el navegador no ejecuta JS, muestra el contenido igual */
@media (scripting: none){
  [data-reveal]{opacity:1; transform:none;}
}

/* =============================================================
   SERVICES
   ============================================================= */
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:22px;
}
.service-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-md);
  padding:0 26px 26px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.service-card__visual{
  position:relative;
  margin:0 -26px 20px;
  width:calc(100% + 52px);
  aspect-ratio:16/10;
  border-top-left-radius:var(--radius-md);
  border-top-right-radius:var(--radius-md);
  overflow:hidden;
  background:var(--gray-light);
}
.service-card__visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform 0.5s var(--ease);
}
.service-card:hover .service-card__visual img{
  transform:scale(1.06);
}
.service-card::before{
  content:"";
  position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--gradient-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.4s var(--ease);
}
.service-card::after{
  content:"";
  position:absolute; top:0; left:-60%;
  width:40%; height:100%;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,0.55), transparent);
  transform:skewX(-18deg);
  transition:left 0.7s var(--ease);
  pointer-events:none;
}
.service-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(44,184,214,0.4);
}
.service-card:hover::before{transform:scaleX(1);}
.service-card:hover::after{left:130%;}
.service-card__icon{
  width:48px; height:48px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(23,105,170,0.14), rgba(44,184,214,0.20));
  display:flex; align-items:center; justify-content:center;
  padding:11px;
  margin-bottom:18px;
  color:var(--blue-tech);
  transition:background 0.35s var(--ease), transform 0.35s var(--ease);
}
.service-card__icon svg{stroke:var(--blue-tech); stroke-width:1.6; fill:none;}
.service-card:hover .service-card__icon{
  background:var(--gradient-brand);
  transform:scale(1.06) rotate(-4deg);
}
.service-card:hover .service-card__icon svg{stroke:var(--white);}
.service-card__title{font-size:1.12rem; color:var(--gray-dark); margin-bottom:10px;}
.service-card__desc{font-size:0.9rem; margin-bottom:14px; min-height:64px;}
.service-card__benefit{
  display:block;
  font-size:0.8rem;
  font-weight:600;
  color:var(--blue-tech);
  margin-bottom:18px;
}
.service-card__link{
  display:inline-flex; align-items:center; gap:6px;
  font-size:0.86rem; font-weight:600; color:var(--blue-deep);
}
.service-card__link svg{width:15px; height:15px; stroke:currentColor; stroke-width:2; fill:none; transition:transform 0.3s var(--ease);}
.service-card__link:hover svg{transform:translateX(4px);}

/* =============================================================
   SPLIT / SOLUCIONES A MEDIDA
   ============================================================= */
.split{display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:center;}
.split__copy .section__title{text-align:left; margin-bottom:20px;}
.checklist{margin-top:26px; display:flex; flex-direction:column; gap:14px;}
.checklist li{
  position:relative;
  padding-left:30px;
  font-size:0.95rem;
  color:var(--gray-mid);
}
.checklist li::before{
  content:"";
  position:absolute; left:0; top:3px;
  width:18px; height:18px;
  border-radius:6px;
  background:var(--gradient-brand);
}
.checklist li::after{
  content:"";
  position:absolute; left:5px; top:7px;
  width:8px; height:4px;
  border-left:2px solid white;
  border-bottom:2px solid white;
  transform:rotate(-45deg);
}

.split__visual{position:relative;}
.split__visual::before{
  content:"";
  position:absolute;
  inset:-30px;
  background:var(--gradient-brand);
  opacity:0.18;
  filter:blur(40px);
  border-radius:40px;
  z-index:0;
}
/* =============================================================
   BEFORE / AFTER — diagrama de transformación
   ============================================================= */
.before-after{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:stretch;
  gap:0;
  background:var(--white);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.before-after__col{
  padding:34px 26px;
  display:flex;
  flex-direction:column;
}
.before-after__col--before{background:var(--gray-light);}
.before-after__col--after{background:linear-gradient(160deg, rgba(18,59,112,0.04), rgba(44,184,214,0.07));}

.before-after__tag{
  display:inline-flex;
  align-self:flex-start;
  font-family:var(--font-display);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:22px;
}
.before-after__tag--before{background:rgba(107,114,128,0.14); color:#4B5563;}
.before-after__tag--after{background:var(--gradient-brand); color:var(--white);}

/* Visual: "chaos" cards for Antes */
.before-after__chaos{
  position:relative;
  height:64px;
  margin-bottom:24px;
}
.chaos-card{
  position:absolute;
  top:8px; left:0;
  width:74px; height:48px;
  border-radius:8px;
  background:var(--white);
  border:1px solid rgba(107,114,128,0.25);
  box-shadow:0 6px 14px rgba(17,24,39,0.08);
}
.chaos-card--1{transform:rotate(-8deg); left:0; z-index:1;}
.chaos-card--2{transform:rotate(6deg); left:38px; top:2px; z-index:2; border-color:rgba(217,119,6,0.35);}
.chaos-card--3{transform:rotate(-3deg); left:78px; top:14px; z-index:0; opacity:0.85;}

/* Visual: "order" bars for Después */
.before-after__order{
  display:flex;
  flex-direction:column;
  gap:10px;
  height:64px;
  justify-content:center;
  margin-bottom:24px;
}
.order-bar{
  display:block;
  height:9px;
  border-radius:6px;
  background:var(--gradient-brand);
  opacity:0.9;
}

.before-after__list{
  display:flex;
  flex-direction:column;
  gap:16px;
  flex:1;
}
.before-after__list li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:0.88rem;
  font-weight:500;
  color:var(--gray-dark);
  line-height:1.35;
}
.before-after__icon{
  flex:none;
  width:32px; height:32px;
  border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  padding:7px;
}
.before-after__icon--before{background:rgba(107,114,128,0.14);}
.before-after__icon--before svg{stroke:#6B7280; stroke-width:1.7; fill:none;}
.before-after__icon--after{background:rgba(44,184,214,0.16);}
.before-after__icon--after svg{stroke:var(--blue-tech); stroke-width:1.7; fill:none;}

.before-after__divider{
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--white);
  position:relative;
  width:1px;
}
.before-after__divider::before{
  content:"";
  position:absolute;
  top:0; bottom:0; left:0;
  width:1px;
  background:var(--border-soft);
}
.before-after__arrow{
  position:relative;
  z-index:1;
  width:40px; height:40px;
  border-radius:50%;
  background:var(--gradient-brand);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 20px rgba(23,105,170,0.35);
}
.before-after__arrow svg{width:20px; height:20px; stroke:var(--white); stroke-width:2.2; fill:none;}

@media (max-width:640px){
  .before-after{grid-template-columns:1fr;}
  .before-after__divider{
    width:100%; height:1px; padding:20px 0;
  }
  .before-after__divider::before{
    top:0; left:0; right:0; bottom:auto; width:100%; height:1px;
  }
  .before-after__arrow{transform:rotate(90deg);}
}

/* =============================================================
   PROCESS
   ============================================================= */
.process{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:30px;
}
.process__line{
  position:absolute; top:26px; left:6%; right:6%; height:1px;
  background:rgba(255,255,255,0.12);
  overflow:hidden;
}
.process__line::after{
  content:"";
  position:absolute; inset:0;
  width:0%;
  background:linear-gradient(90deg, transparent, rgba(44,184,214,0.9), var(--cyan));
  transition:width 1.6s var(--ease);
}
.process__line.is-filled::after{width:100%;}

.process__step{position:relative; padding-top:6px;}
.process__num{
  display:inline-block;
  font-family:var(--font-display);
  font-size:0.95rem; font-weight:700;
  color:var(--blue-deep);
  background:var(--cyan);
  width:52px; height:52px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
  box-shadow:0 8px 22px rgba(44,184,214,0.35);
}
.process__head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.process__icon{
  width:30px; height:30px;
  border-radius:8px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  display:flex; align-items:center; justify-content:center;
  padding:6px;
  flex:none;
}
.process__icon svg{stroke:var(--cyan); stroke-width:1.7; fill:none;}
.process__duration{
  font-size:0.7rem;
  font-weight:600;
  letter-spacing:0.02em;
  color:var(--cyan);
  background:rgba(44,184,214,0.12);
  border:1px solid rgba(44,184,214,0.25);
  padding:4px 10px;
  border-radius:999px;
}
.process__step h3{color:var(--white); font-size:1.1rem; margin-bottom:10px;}
.process__step p{color:rgba(255,255,255,0.68); font-size:0.9rem; margin-bottom:16px;}
.process__deliverable{
  display:flex;
  align-items:center;
  gap:7px;
  font-size:0.8rem;
  font-weight:600;
  color:rgba(255,255,255,0.85);
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,0.12);
}
.process__deliverable svg{width:14px; height:14px; stroke:var(--cyan); stroke-width:2.2; fill:none; flex:none;}

/* =============================================================
   CASES / PORTFOLIO
   ============================================================= */
.cases-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:26px;}
.case-card{
  background:var(--white);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  position:relative;
}
.case-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-lg);}
.case-card__tag{
  position:absolute; top:16px; left:16px; z-index:2;
  background:rgba(18,59,112,0.85);
  color:var(--white);
  font-size:0.68rem; font-weight:600;
  letter-spacing:0.04em;
  padding:5px 12px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.case-card__visual{
  aspect-ratio:16/10;
  overflow:hidden;
  position:relative;
  background:var(--gray-light);
}
.case-card__visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform 0.5s var(--ease);
}
.case-card:hover .case-card__visual img{
  transform:scale(1.06);
}
.case-card h3{font-size:1.05rem; padding:22px 22px 8px; color:var(--gray-dark);}
.case-card__sector{padding:0 22px; font-size:0.78rem; font-weight:600; color:var(--blue-tech); margin-bottom:12px;}
.case-card__desc{padding:0 22px 24px; font-size:0.86rem;}
.case-card__desc strong{color:var(--gray-dark);}

/* =============================================================
   TECH MARQUEE — franja oscura animada
   ============================================================= */
.section--tech{
  background:linear-gradient(135deg, var(--blue-deep-2), var(--blue-deep) 55%, #0F3E6E);
  padding:100px 0 70px;
  overflow:hidden;
  position:relative;
}
.section--tech::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(44,184,214,0.18) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:0.5;
}
.section--tech::after{
  content:"";
  position:absolute; top:-180px; right:-140px;
  width:480px; height:480px; z-index:0;
  background:radial-gradient(circle, rgba(44,184,214,0.28), transparent 70%);
  filter:blur(20px); pointer-events:none;
}

/* --- Franja de stats de confianza --- */
.tech-stats{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:22px;
  margin:0 auto 56px;
  max-width:800px;
}
.tech-stats__item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.88rem;
  color:rgba(255,255,255,0.85);
  white-space:nowrap;
}
.tech-stats__item svg{width:20px; height:20px; stroke:var(--cyan); stroke-width:1.7; fill:none; flex:none;}
.tech-stats__item strong{color:var(--white); font-family:var(--font-display); font-weight:700;}
.tech-stats__divider{width:1px; height:18px; background:rgba(255,255,255,0.16);}
@media (max-width:640px){.tech-stats__divider{display:none;}}

.tech-marquee-wrap{
  position:relative;
  z-index:1;
}
.tech-marquee{
  position:relative;
  z-index:1;
  width:100%;
  overflow:hidden;
  border-radius:var(--radius-md);
  mask-image:linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
  -webkit-mask-image:linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
}
.tech-marquee--row1{margin-bottom:18px;}
.tech-marquee__track{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:18px;
  width:max-content;
  animation:marquee 22s linear infinite;
}
.tech-marquee__track--reverse{
  animation-name:marquee-reverse;
  animation-duration:22s;
}
.tech-marquee:hover .tech-marquee__track{animation-play-state:paused;}
@keyframes marquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
@keyframes marquee-reverse{
  from{transform:translateX(-50%);}
  to{transform:translateX(0);}
}

.tech-chip{
  display:flex; align-items:center; gap:12px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.14);
  padding:10px 22px 10px 10px;
  border-radius:999px;
  font-weight:600; font-size:0.92rem;
  color:var(--white);
  white-space:nowrap;
  backdrop-filter:blur(6px);
  transition:transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.tech-chip:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,0.3);
  background:rgba(255,255,255,0.1);
}
.tech-chip__icon{
  width:32px; height:32px;
  border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  padding:6px;
  flex:none;
}
.tech-chip__icon svg{width:100%; height:100%;}

.tech-chip__icon--react{background:#149ECA;}
.tech-chip__icon--ts{background:#3178C6;}
.tech-chip__icon--flutter{background:#02569B;}
.tech-chip__icon--node{background:#3C873A;}
.tech-chip__icon--python{background:linear-gradient(135deg,#3776AB 50%,#FFD43B 50%);}
.tech-chip__icon--postgres{background:#336791;}
.tech-chip__icon--docker{background:#2496ED;}
.tech-chip__icon--aws{background:#E8871E;}

/* =============================================================
   BENEFITS
   ============================================================= */
.benefits-grid{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:22px;
}
.benefit{
  text-align:center;
  padding:34px 20px;
  border-radius:var(--radius-md);
  border:1px solid var(--border-soft);
  background:var(--white);
  transition:transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.benefit:hover{transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:rgba(44,184,214,0.35);}
.benefit__icon{
  width:54px; height:54px;
  margin:0 auto 18px;
  border-radius:50%;
  background:linear-gradient(135deg, rgba(23,105,170,0.16), rgba(44,184,214,0.24));
  display:flex; align-items:center; justify-content:center;
  padding:14px;
  transition:transform 0.35s var(--ease);
}
.benefit:hover .benefit__icon{transform:scale(1.08);}
.benefit__icon svg{stroke:var(--blue-tech); stroke-width:1.6; fill:none;}
.benefit h3{font-size:0.98rem; margin-bottom:10px; color:var(--gray-dark);}
.benefit p{font-size:0.84rem;}

/* =============================================================
   CTA FINAL
   ============================================================= */
.cta-final{
  position:relative;
  background:var(--gradient-brand);
  padding:100px 0;
  text-align:center;
  overflow:hidden;
}
.cta-final__glow{
  position:absolute; inset:0;
  background:radial-gradient(600px 300px at 50% 0%, rgba(255,255,255,0.22), transparent 70%);
}
.cta-final__inner{position:relative; z-index:2;}
.cta-final h2{color:var(--white); font-size:clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom:16px;}
.cta-final p{color:rgba(255,255,255,0.85); font-size:1.05rem; margin-bottom:34px;}

/* =============================================================
   CONTACT
   ============================================================= */
.contact{display:grid; grid-template-columns:0.9fr 1.1fr; gap:70px; position:relative; z-index:1;}
#contacto .contact__info .section__title{text-align:left; margin-bottom:20px; color:var(--white);}
#contacto .contact__info .section__lead{color:rgba(255,255,255,0.68);}
.contact__channels{margin-top:34px; display:flex; flex-direction:column; gap:22px;}
.contact__channels li{display:flex; align-items:flex-start; gap:14px;}
.contact__channel-icon{
  width:42px; height:42px; flex:none;
  border-radius:12px;
  background:rgba(44,184,214,0.14);
  border:1px solid rgba(44,184,214,0.25);
  display:flex; align-items:center; justify-content:center;
  padding:10px;
}
.contact__channel-icon svg{stroke:var(--cyan); stroke-width:1.6; fill:none;}
#contacto .contact__channels strong{display:block; font-size:0.92rem; color:var(--white); margin-bottom:2px;}
#contacto .contact__channels span{font-size:0.85rem; color:rgba(255,255,255,0.62);}
#contacto .contact__channels span a{color:inherit; transition:color 0.25s var(--ease);}
#contacto .contact__channels span a:hover{color:var(--cyan);}

.contact__form{
  position:relative;
  z-index:1;
  background:var(--white);
  border-radius:var(--radius-lg);
  padding:38px;
  border:1px solid rgba(255,255,255,0.08);
  box-shadow:0 30px 70px rgba(6,20,40,0.45);
}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.form-field{margin-bottom:18px; display:flex; flex-direction:column; gap:8px;}
.form-field label{font-size:0.82rem; font-weight:600; color:var(--gray-dark);}
.form-field input, .form-field select, .form-field textarea{
  border:1px solid rgba(18,59,112,0.16);
  background:var(--gray-light);
  border-radius:10px;
  padding:12px 14px;
  font-size:0.92rem;
  color:var(--gray-dark);
  transition:border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  resize:vertical;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(44,184,214,0.15);
}
.btn--send{gap:9px;}
.btn--send svg{width:18px; height:18px; stroke:currentColor; stroke-width:1.8; fill:none; flex:none;}
.form-note{margin-top:14px; font-size:0.85rem; text-align:center; color:var(--blue-tech); min-height:1.2em;}
.form-disclaimer{margin-top:6px; font-size:0.75rem; text-align:center; color:var(--gray-mid);}


/* =============================================================
   FOOTER
   ============================================================= */
.footer{background:var(--gray-dark); color:rgba(255,255,255,0.72); 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(255,255,255,0.08);
}
.footer__logo-wrap{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--white);
  border-radius:12px;
  padding:8px 10px;
  margin-bottom:16px;
  box-shadow:0 8px 20px rgba(0,0,0,0.25);
}
.footer__logo{height:34px; width:auto; display:block; border-radius:8px;}
.footer__brand p{color:rgba(255,255,255,0.55); font-size:0.88rem; max-width:260px;}
.footer__col h4{color:var(--white); font-size:0.85rem; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:18px;}
.footer__col{display:flex; flex-direction:column; gap:12px;}
.footer__col a{font-size:0.88rem; color:rgba(255,255,255,0.6); transition:color 0.25s var(--ease);}
.footer__col a:hover{color:var(--cyan);}

.footer__contact-item{
  display:flex;
  align-items:center;
  gap:10px;
}
.footer__contact-icon{
  width:28px; height:28px;
  border-radius:8px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  display:flex; align-items:center; justify-content:center;
  padding:6px;
  flex:none;
  transition:background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.footer__contact-icon svg{stroke:rgba(255,255,255,0.8); stroke-width:1.7; fill:none;}
.footer__contact-item:hover .footer__contact-icon{background:rgba(44,184,214,0.16); border-color:rgba(44,184,214,0.4);}
.footer__contact-icon--whatsapp{background:rgba(37,211,102,0.14); border-color:rgba(37,211,102,0.3);}
.footer__contact-icon--whatsapp svg{stroke:#25D366;}
.footer__contact-item:hover .footer__contact-icon--whatsapp{background:rgba(37,211,102,0.25); border-color:#25D366;}

.footer__cta-link{font-weight:600; color:var(--cyan) !important;}

.footer__social{display:flex; gap:12px; margin-top:6px;}
.footer__social-icon{
  width:34px; height:34px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.15);
  display:flex; align-items:center; justify-content:center;
  padding:8px;
  transition:border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.footer__social-icon svg{stroke:rgba(255,255,255,0.75); stroke-width:1.6; fill:none; transition:stroke 0.25s var(--ease);}
.footer__social-icon:hover{transform:translateY(-3px);}
.footer__social-icon--linkedin:hover{background:#0A66C2; border-color:#0A66C2;}
.footer__social-icon--linkedin:hover svg{stroke:var(--white);}
.footer__social-icon--instagram:hover{background:linear-gradient(45deg,#F58529,#DD2A7B,#8134AF,#515BD4); border-color:transparent;}
.footer__social-icon--instagram:hover svg{stroke:var(--white);}
.footer__social-icon--whatsapp:hover{background:#25D366; border-color:#25D366;}
.footer__social-icon--whatsapp:hover svg{stroke:var(--white);}

.footer__bottom{
  padding:22px 28px;
  font-size:0.8rem;
  color:rgba(255,255,255,0.45);
  text-align:center;
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width:1080px){
  .services-grid{grid-template-columns:repeat(2, 1fr);}
  .benefits-grid{grid-template-columns:repeat(3, 1fr);}
  .cases-grid{grid-template-columns:repeat(2, 1fr);}
}

@media (max-width:940px){
  .navbar__nav{
    position:fixed; top:0; right:0; height:100vh; width:min(320px, 84vw);
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding:100px 30px 30px;
    gap:22px;
    box-shadow:-16px 0 40px rgba(18,59,112,0.14);
    transform:translateX(100%);
    transition:transform 0.4s var(--ease);
  }
  .navbar__nav.is-open{transform:translateX(0);}
  .navbar__cta{margin-left:0; margin-top:10px;}
  .navbar__toggle{display:flex;}

  .hero__inner{grid-template-columns:1fr; text-align:center;}
  .hero__copy{display:flex; flex-direction:column; align-items:center;}
  .hero__subtitle{max-width:100%;}
  .hero__actions{justify-content:center;}
  .hero__stats{justify-content:center;}
  .hero__visual{margin-top:20px;}

  .split{grid-template-columns:1fr; gap:50px;}
  .split__copy .section__title, .contact__info .section__title{text-align:center;}
  .split__copy{text-align:center;}
  .checklist{align-items:flex-start; max-width:420px; margin-left:auto; margin-right:auto;}

  .process{grid-template-columns:1fr 1fr; gap:40px;}
  .process__line{display:none;}

  .contact{grid-template-columns:1fr;}
  .contact__info{text-align:center;}
  .contact__channels{max-width:420px; margin-left:auto; margin-right:auto; text-align:left;}

  .footer__grid{grid-template-columns:1fr 1fr; gap:36px;}
}

@media (max-width:640px){
  .section{padding:80px 0;}
  .hero{padding:140px 0 80px;}
  .services-grid{grid-template-columns:1fr;}
  .benefits-grid{grid-template-columns:1fr 1fr;}
  .cases-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;}
  .hero__card{display:none;}
  .contact__form{padding:26px;}
}

/* =============================================================
   PULIDO FINAL — anclas, scrollbar, carga y botones flotantes
   ============================================================= */

/* Evita que el navbar fijo tape el inicio de cada sección al navegar */
section[id], .hero[id]{scroll-margin-top:88px;}

/* Scrollbar personalizado (WebKit) */
::-webkit-scrollbar{width:11px;}
::-webkit-scrollbar-track{background:var(--gray-light);}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg, var(--blue-tech), var(--cyan));
  border-radius:999px;
  border:2px solid var(--gray-light);
}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg, var(--blue-deep), var(--blue-tech));}
/* Firefox */
html{scrollbar-color:var(--blue-tech) var(--gray-light); scrollbar-width:thin;}

/* Fade-in suave de la página al cargar */
body{animation:pageFadeIn 0.6s ease forwards;}
@keyframes pageFadeIn{
  from{opacity:0;}
  to{opacity:1;}
}
@media (prefers-reduced-motion: reduce){
  body{opacity:1; animation:none;}
}

/* --- Botón flotante de WhatsApp --- */
.float-whatsapp{
  position:fixed;
  right:24px; bottom:24px;
  z-index:1500;
  width:58px; height:58px;
  border-radius:50%;
  background:#25D366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 28px rgba(37,211,102,0.45);
  transition:transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.float-whatsapp svg{width:28px; height:28px; stroke:var(--white); stroke-width:1.8; fill:none; position:relative; z-index:2;}
.float-whatsapp:hover{transform:translateY(-4px) scale(1.05); box-shadow:0 16px 34px rgba(37,211,102,0.55);}
.float-whatsapp__pulse{
  position:absolute; inset:0;
  border-radius:50%;
  background:#25D366;
  opacity:0.55;
  animation:whatsappPulse 2.2s ease-out infinite;
}
@keyframes whatsappPulse{
  0%{transform:scale(1); opacity:0.5;}
  100%{transform:scale(1.7); opacity:0;}
}
@media (prefers-reduced-motion: reduce){
  .float-whatsapp__pulse{animation:none; display:none;}
}

/* --- Botón volver arriba --- */
.back-to-top{
  position:fixed;
  right:24px; bottom:92px;
  z-index:1500;
  width:44px; height:44px;
  border-radius:50%;
  background:var(--white);
  border:1px solid var(--border-soft);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-md);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s, border-color 0.3s var(--ease);
}
.back-to-top.is-visible{opacity:1; visibility:visible; transform:translateY(0);}
.back-to-top:hover{border-color:var(--cyan);}
.back-to-top svg{width:18px; height:18px; stroke:var(--blue-deep); stroke-width:2.2; fill:none;}

@media (max-width:640px){
  .float-whatsapp{right:16px; bottom:16px; width:52px; height:52px;}
  .float-whatsapp svg{width:25px; height:25px;}
  .back-to-top{right:16px; bottom:78px; width:40px; height:40px;}
}