/* Fuente */
@font-face {
  font-family: 'Bebas Neue';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/bebasneue/v15/JTUSjIg69CK48gW7PXoo9Wlhyw.woff2) format('woff2');
}

/* Reset básico */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Bebas Neue', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #222;
  background-image: url('assets/images/4935872.jpg');
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
  line-height: 1.35;
}
/* Loader */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.6s ease; /* suavidad al desaparecer */
}

/* Spinner */
.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #ddd;
    border-top: 6px solid #bd251e; /* rojo corporativo */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tokens */
:root{
  --brand:#bd251e;
  --brand-600:#a51f19;
  --ink:#222;
  --muted:#666;
  --paper:#fff;
  --shadow: 0 8px 30px rgba(0,0,0,.15);
  --radius:.75rem;
  --wrap: 69rem;
  --pad-inline: max(1rem, 4vw);
}

/* Accesibilidad */
.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:1rem; top:1rem; width:auto; height:auto; padding:.5rem .75rem;
  background:#000; color:#fff; z-index:1000; border-radius:.25rem;
}
:focus-visible{ outline: 3px solid var(--brand); outline-offset: 2px; }

/* Tipografía */
h1,h2,h3,h4,h5,h6{ margin:0 0 .5em; font-weight:600; letter-spacing:.02em; }
p{ margin:0 0 1rem; color:#484848; font-size:clamp(1rem, .8rem + .5vw, 1.125rem); }
p strong{ color:var(--brand); }

/* Layout base */
.wrapper{ max-width: var(--wrap); margin-inline:auto; padding-inline: var(--pad-inline); }
.section{ padding-block: clamp(3rem, 6vw, 6rem); }
.section-invert{ color:#fff; }
img{ max-width:100%; height:auto; display:block; }

/* Header & Nav */
.site-header{
  position: sticky; top:0; z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.85);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding-block:.75rem; }
.brand img{ width: clamp(9rem, 6rem + 6vw, 11rem); }

/* Lista nav (desktop) */
.nav-list{
  display:flex; list-style:none; gap: clamp(1rem, 1.2vw, 2rem); margin:0; padding:0;
}
.nav-list a{
  text-decoration:none; color: var(--brand);
  font-size: clamp(1.1rem, .9rem + .6vw, 1.4rem);
  transition: color .2s ease;
}
.nav-list a:hover{ color: color-mix(in oklab, var(--brand) 85%, black); }

/* Toggle móvil */
.nav-toggle{
  display:none; position:relative; width:2.25rem; height:2rem; border:0; background:transparent; padding:0; cursor:pointer;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:3px; background:#222; border-radius:2px; transition: transform .2s, opacity .2s, top .2s;
}
.nav-toggle span:nth-child(1){ top:3px; }
.nav-toggle span:nth-child(2){ top:calc(50% - 1.5px); }
.nav-toggle span:nth-child(3){ bottom:3px; }

/* Estado abierto */
.nav.is-open .nav-toggle[aria-expanded="true"] span:nth-child(1){ top:50%; transform: translateY(-50%) rotate(45deg); }
.nav.is-open .nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav.is-open .nav-toggle[aria-expanded="true"] span:nth-child(3){ bottom:auto; top:50%; transform: translateY(-50%) rotate(-45deg); }

/* Carousel */
.carousel{
  position:relative; overflow:hidden; width:100%;
  min-height: clamp(16rem, 40vw, 28rem);
  box-shadow: var(--shadow);
  display:grid; place-items:center;
}
.carousel-images{
  position:absolute; inset:0;
  background: url('../assets/images/13332.jpg') center/cover no-repeat;
  animation: filterAnimation 10s infinite alternate ease-in-out;
}
.carousel::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.35));
}
@keyframes filterAnimation{
  0%{ filter:brightness(1); } 25%{ filter:brightness(1.2); }
  50%{ filter:brightness(.9); } 75%{ filter:brightness(1.1); } 100%{ filter:brightness(1); }
}
@media (prefers-reduced-motion: reduce){
  .carousel-images{ animation: none; }
}

.carousel-item{ position:relative; z-index:1; text-align:center; padding-inline: var(--pad-inline); height: -webkit-fill-available;}
.carousel-item h1{
  color: rgb(255, 255, 255);
    position: absolute;
    z-index: 3;
    font-size: 2.5rem;
    font-weight: 500;
    top: 50%;
    transform: translateY(-50%);
    left: 0px;
    right: 0px;
    text-align: center;
    line-height: 1.2;
    text-shadow: rgba(0, 0, 0, 0.53) 0px 4px 3px;
    margin: auto;
}

/* About */
.about{
  background: var(--paper);
  border-radius: .6rem;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(1rem, 2vw, 2rem);
  align-items:center;
  padding: clamp(1rem, 2vw, 2rem);
}

/* Objectives */
.objectives{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.25rem, 2.5vw, 3rem);
  align-items:start;
}
.objectives h3{
  color: var(--brand);
  font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.5rem);
}
.objectives .col{ display:flex; flex-direction:column; gap: clamp(1rem, 1.5vw, 2rem); }
.objectives .col img{ border-radius: 1rem; }

/* Solutions */
#solutions{ background: url('../assets/images/4394.jpg') center/cover no-repeat; }
.solutions{
  padding-block: clamp(2rem, 4vw, 6rem);
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem 2rem;
}
.solutions h4{
  font-size: clamp(1.25rem, 1rem + .8vw, 1.6rem);
  color:#fff;
}
.solutions ul{ margin: .75rem 0 0 1.2rem; }
.solutions li{
  color:#eee; font-size: clamp(1rem, .9rem + .4vw, 1.2rem);
  margin:.5rem 0; line-height:1.2;
}

/* Contacto */
#contact h3{
  color: var(--brand);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  text-align:center;
}
#contact strong{
  display:block; text-align:center; color:#666; margin: 1rem 0 2rem;
  font-size: clamp(1rem, .9rem + .4vw, 1.2rem);
  letter-spacing: .02rem;
}
.contact{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  max-width: 50rem; margin-inline:auto;
}
.contact a{
  display:flex; flex-direction:column; align-items:center; gap: .75rem;
  text-decoration:none; color:#fff; background: var(--brand-600);
  padding: clamp(1rem, 1.2rem + .6vw, 2rem);
  border-radius:.5rem; transition: transform .15s ease, opacity .2s ease;
  box-shadow: var(--shadow);
}
.contact a:hover{ transform: translateY(-2px); opacity:.92; }
.contact img{ width: 2rem; height:auto; }

/* WhatsApp flotante */
.ws-float{
  position: fixed; right: 1rem; bottom: 1rem; z-index: 90;
  display:inline-block; line-height:0;
}
.ws-float img{ width: clamp(3rem, 7vw, 4rem); }

/* Footer */
footer{
  background: var(--brand);
}
footer small{
  color:#fff; display:block; text-align:center; padding: 2rem 1rem;
  font-size: clamp(1rem, .9rem + .3vw, 1.2rem);
  letter-spacing:.02rem;
}

/* Responsividad */
@media (max-width: 980px){
  .about{ grid-template-columns: 1fr; }
  .objectives{ grid-template-columns: 1fr; }
  .solutions{ grid-template-columns: 1fr; }
}

@media (max-width: 860px){
  .nav-toggle{ display:block; }
  .nav-list{
    position: absolute; inset-inline: 0; top: 100%;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid rgba(0,0,0,.06);
    display: grid; gap: .25rem; padding: .75rem var(--pad-inline) 1rem;
    transform: translateY(-8px); opacity: 0; pointer-events:none; transition: opacity .2s, transform .2s;
  }
  .nav.is-open .nav-list{ transform: translateY(0); opacity:1; pointer-events:auto; }
  .nav-list a{ padding:.4rem 0; display:block; }
}

@media (max-width: 640px){
  .contact{ grid-template-columns: 1fr; }
}

/* Pequeñas mejoras visuales */
::selection{ background: #000; color:#fff; }