/* =========================================================
   BASE + TIPOGRAFÍA + HERO + PRELOADER (Optimizado)
   ========================================================= */

/* ---------- Variables ---------- */
:root{
  --ff-ui: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --text:#eaf2f8;
  --muted:#b9c7d6;
  --accent:#feb000;

  --nav-h:64px;                /* alto real del nav (se puede sobrescribir) */

  --brands-speed:32s;          /* duración del scroll */
  --brands-h:88px;             /* JS puede sobrescribir con la altura real del carrusel */
  --brands-gap:48px;           /* 👈 separación entre logos y en el empalme */

  --c-dark:#05263b;
  --c-midnight:#192e41;
  --c-gold:#ffc600;
  --c-cornflower:#85a3c0;
}

/* ---------- Reset + Base ---------- */
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
html, body{
  font-family:var(--ff-body) !important;
  font-weight:var(--fw-regular);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  color:var(--text);
  background:#0b1318;
  line-height:1.6;
  scroll-behavior:smooth;
}

/* Links */
a, a:hover, a:focus, a:active{ color:inherit; text-decoration:none !important; }

/* ---------- Compensación global para nav fijo + anclas ---------- */
html{ scroll-padding-top: calc(var(--nav-h) + 12px); }       /* anclas */
body.has-fixed-nav::before{                                  /* empuje global del contenido */
  content:"";
  display:block;
  height: calc(var(--nav-h) + 12px);
}
/* El hero usa esta variable para descontar la barra del viewport cuando es fija */
body.has-fixed-nav{ --hero-nav-offset: var(--nav-h); }

/* ---------- HERO (ocupa viewport menos navbar y carrusel) ---------- */
.hero{
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  overflow: hidden;
  /* resta carrusel + nav (si es fijo) al alto del viewport */
  min-height: calc(100vh - (var(--brands-h, 0px) + var(--hero-nav-offset, 0px)));
}
@supports (height: 100svh){
  .hero{ min-height: calc(100svh - (var(--brands-h, 0px) + var(--hero-nav-offset, 0px))); }
}
/* Si en móvil tu barra NO es fija y cambia de alto, puedes ajustar (opcional) */
@media (max-width:980px){
  :root{ --nav-h: 56px; --brands-gap:28px; }
}

/* por si la siguiente sección tiene margen superior */
.brands-marquee + *{ margin-top:0; }

/* ---------- Vídeo + contenido del hero ---------- */
.hero video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; filter:brightness(.55);
  z-index:0; pointer-events:none;
}
.hero .overlay{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(6,10,14,.5), rgba(6,10,14,.85)),
    radial-gradient(1000px 600px at 70% 10%, rgba(13,24,33,.25), transparent);
}
.hero .content{
  position:relative; z-index:2;
  max-width:min(1100px, 92vw);
  padding:clamp(12px, 2vw, 24px);
  text-align:center; color:#fff;
}
.hero .content h1{
  margin:0 0 .35em; line-height:1.08;
  font-family:var(--ff-ui); font-weight:800;
  font-size:clamp(28px, 6vw, 64px);
  letter-spacing:.01em;
}
.hero .content p{
  margin:0 0 1.2rem; color:#dbe6f3;
  font-size:clamp(15px, 1.6vw, 20px);
}
.hero .row-cta{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:42px; padding:0 16px;
  border-radius:10px; border:1px solid rgba(255,255,255,.12);
  background:#000; color:var(--text);
  font-family:var(--ff-ui); font-weight:600; letter-spacing:.2px;
  transition:transform .15s ease, filter .15s ease, box-shadow .15s ease, border-color .18s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-accent{
  background:linear-gradient(180deg,#ffc81a 0%, var(--accent) 100%);
  color:#111; border:0;
  box-shadow:0 10px 26px rgba(254,176,0,.28), inset 0 -2px 0 rgba(0,0,0,.18);
  font-family:var(--ff-ui); font-weight:700;
}
.btn *, .btn-accent *{ text-decoration:none !important; }
.btn:not(.btn-accent){
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:#fff;
  transition:border-color .18s ease, box-shadow .18s ease, color .18s ease, filter .18s ease;
}
.btn:not(.btn-accent):hover{
  border-color:color-mix(in srgb, var(--c-cornflower) 70%, transparent);
  box-shadow:0 10px 24px rgba(133,163,192,.25), inset 0 -1px 0 rgba(255,255,255,.06);
  filter:brightness(1.03);
}
.btn:not(.btn-accent):active{ transform:translateY(0); filter:brightness(.98); }
.btn:not(.btn-accent):focus-visible{ outline:2px solid var(--c-cornflower); outline-offset:2px; }
.btn.btn-accent:focus-visible{ outline:2px solid var(--c-gold); outline-offset:2px; }

/* ---------- CTA “Explorar servicios” (píldora con flecha) ---------- */
.cta-explore{ position:relative; }
.cta-explore::after{
  content:""; display:inline-block; vertical-align:middle;
  inline-size:26px; block-size:26px; margin-left:10px;
  border-radius:999px; color:inherit;
  background:rgba(17,17,17,.12);
  box-shadow:inset 0 -1px 0 rgba(0,0,0,.25), 0 2px 6px rgba(0,0,0,.18);
  background-repeat:no-repeat; background-position:center; background-size:14px 14px;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M6 9l6 6 6-6"/></svg>');
  transition:transform .18s ease, background-color .18s ease, box-shadow .18s ease;
  animation:hint-bounce 2.4s ease-out infinite;
}
.cta-explore:hover::after{
  transform:translateY(1px);
  background-color:rgba(17,17,17,.18);
  box-shadow:inset 0 -1px 0 rgba(0,0,0,.28), 0 4px 14px rgba(0,0,0,.22);
}
@keyframes hint-bounce{ 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(3px)} }
@media (prefers-reduced-motion:reduce){ .cta-explore::after{ animation:none; } }

/* ---------- Tipografía UI y menú ---------- */
h1, h2, h3, .nav .menu > li > a, .menu a.menu-cta, .btn, .btn-accent{
  font-family:var(--ff-ui) !important;
}
.nav .menu > li > a{
  font-weight:var(--fw-medium);
  text-transform:uppercase;
  letter-spacing:.12em;
  color:#eaeff5;
}
.nav .menu > li:hover > a{ color:#fff; }

/* Compensación adicional por id, útil en secciones */
[id]{ scroll-margin-top:calc(var(--nav-h) + 12px); }

/* ---------- PRELOADER ---------- */
html.preloading, body.preloading{ overflow:hidden; }
#preloader{
  position:fixed; inset:0; background:#000; z-index:9999;
  display:grid; place-items:center;
  opacity:1; transition:opacity .4s ease;
}
#preloader.hide{ opacity:0; pointer-events:none; }
#preloader .inner{ display:grid; place-items:center; gap:18px; text-align:center; padding:24px; }
#preloader .logo{ height:204px; width:auto; filter:drop-shadow(0 6px 16px rgba(0,0,0,.35)); }
#preloader p{ margin:0; color:#b9c7d6; font-size:14px; }
#preloader .cta{ margin-top:6px; }
#preloader .spinner{
  width:36px; height:36px; border:2px solid #1c2a34; border-top-color:var(--accent);
  border-radius:50%; animation:spin 1s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ---------- Sección servicios: compensación extra ---------- */
#servicios{ scroll-margin-top:calc(var(--nav-h) + 16px); }

/* ---------- Carrusel de marcas ---------- */
.brands-marquee{
  padding:22px 0 26px;
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,0));
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
  overflow:hidden;
  --marquee-accent:#85a3c0;
}

/* Track SIN gap entre listas: el empalme lo damos al último li */
.brands-track{
  display:flex;
  gap:0;                          /* evita el salto al reiniciar */
  will-change:transform;
  animation:brands-scroll var(--brands-speed, 32s) linear infinite;
}
/* No pausar al hacer hover */
.brands-marquee:hover .brands-track{ animation-play-state: running !important; }

/* Lista de logos: el espacio entre logos vive aquí */
.brands-list{
  display:flex; align-items:center; gap:var(--brands-gap);
  flex:0 0 auto; padding:0; margin:0; list-style:none;
}
/* 👇 agrega el mismo espacio al FINAL de cada lista para que el empalme no quede pegado */
.brands-list li:last-child{ margin-right:var(--brands-gap); }

/* Logos SIEMPRE en color real (sin filtros ni animaciones de hover) */
.brands-list img{
  height:32px; width:auto; display:block;
  filter:none !important;
  opacity:1 !important;
  transition:none !important;
}
.brands-list img:hover{
  filter:none !important;
  transform:none !important;
}

@keyframes brands-scroll{
  from{ transform: translate3d(0,0,0); }
  to  { transform: translate3d(var(--brands-shift, -50%), 0, 0); } /* -50% funciona con el clon */
}

.brands-marquee.theme-gold     { --marquee-accent:#ffc600; }
.brands-marquee.theme-midnight { --marquee-accent:#2a4962; }
.brands-marquee.theme-darkblue { --marquee-accent:#0e3b59; }

/* Subrayado decorativo bajo logo (opcional) */
.brands-list li{ position:relative; }
.brands-list li::after{
  content:""; position:absolute; left:50%; bottom:-10px;
  width:26px; height:2px; border-radius:999px;
  background:var(--marquee-accent);
  transform:translateX(-50%) scaleX(0);
  transition:transform .18s ease;
}
.brands-list li:hover::after{ transform:translateX(-50%) scaleX(1); }

/* Responsive carrusel */
@media (max-width:980px){
  .brands-list img{ height:26px; }
  :root{ --brands-speed:24s; }
}

/* Reduced motion para carrusel */
@media (prefers-reduced-motion:reduce){
  .brands-track{ animation:none; }
}

/* ---------- Enlaces en texto (opcional) ---------- */
a.link, .text a:not(.btn):not(.menu-cta){
  color:#e7eef5; text-decoration:none; border-bottom:1px dashed rgba(255,255,255,.22);
  transition:color .18s ease, border-color .18s ease;
}
a.link:hover, .text a:not(.btn):not(.menu-cta):hover{
  color:#fff;
  border-bottom-color:color-mix(in srgb, var(--c-cornflower) 70%, transparent);
}
a.link:focus-visible, .text a:not(.btn):not(.menu-cta):focus-visible{
  outline:2px solid var(--c-cornflower); outline-offset:2px;
}

/* Swiper helper: evitar recortes en tarjetas con sombras */
.svc-swiper{ overflow: visible; }