/* ============================================================
   MEC SOLUCIONES — Design tokens
   Identidad: tablero eléctrico / diagrama unifilar.
   Base grafito + dos acentos: ámbar (eléctrico) y cian (frío).
   ============================================================ */
:root{
  --navy-950:#0a0e14;
  --navy-900:#10151d;
  --navy-850:#141b25;
  --navy-800:#1a2230;
  --navy-700:#232d3d;
  --line-dark:#26313f;

  --paper:#ffffff;
  --bg-light:#f4f6f8;
  --bg-light-2:#eceef1;
  --ink:#0f1720;
  --muted:#57626e;
  --muted-2:#8a94a0;
  --line-light:#dbe0e5;

  --amber:#ffb020;
  --amber-dim:#c98a1a;
  --cyan:#3fd6e8;
  --cyan-dim:#2aa9b8;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-sm:6px;
  --radius-md:14px;
  --radius-lg:22px;

  --shadow-soft: 0 10px 30px rgba(10,14,20,.08);
  --shadow-mid: 0 20px 50px rgba(10,14,20,.16);
  --shadow-strong: 0 30px 70px rgba(10,14,20,.35);

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

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{text-decoration:none; color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:700; margin:0; letter-spacing:-0.01em;}
p{margin:0;}
::selection{background:var(--ink); color:var(--paper);}
:focus-visible{outline:3px solid var(--amber); outline-offset:3px;}

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

.container{max-width:1280px;}

/* ============ Reveal on scroll ============ */
[data-aos]{
  opacity:0; transform:translateY(26px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
[data-aos="fade-left"]{transform:translateX(34px);}
[data-aos="fade-right"]{transform:translateX(-34px);}
[data-aos="zoom-in"]{transform:scale(.94);}
[data-aos].aos-in{opacity:1; transform:none;}

/* ============================================================
   MONO LABEL util (etiquetas tipo placa de tablero)
   ============================================================ */
.mono-tag{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
}

/* ============================================================
   PRELOADER
   ============================================================ */
#preloader{
  position:fixed; inset:0; z-index:99999; background:var(--navy-950);
  display:flex; align-items:center; justify-content:center; flex-direction:column; gap:14px;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.hide{opacity:0; visibility:hidden;}
.preloader-mark{width:64px; color:var(--amber); animation:pulseMark 1.3s ease-in-out infinite;}
.preloader-svg{width:100%; height:auto;}
.preloader-label{font-family:var(--font-mono); font-size:.7rem; letter-spacing:.22em; text-transform:uppercase; color:var(--muted-2);}
@keyframes pulseMark{0%,100%{transform:scale(1); opacity:1;} 50%{transform:scale(.88); opacity:.5;}}

/* ============================================================
   CIRCUITO — divisor de sección firma (diagrama unifilar)
   ============================================================ */
.circuit-divider{ width:100%; display:block; line-height:0; }
.circuit-divider svg{ width:100%; height:auto; display:block; }
.circuit-divider.on-light .cd-line{ stroke:var(--line-light); }
.circuit-divider.on-light .cd-node{ fill:var(--paper); stroke:var(--ink); }
.circuit-divider.on-dark .cd-line{ stroke:var(--line-dark); }
.circuit-divider.on-dark .cd-node{ fill:var(--navy-900); stroke:var(--amber); }
.cd-node{ stroke-width:2; }
.cd-line{ stroke-width:1.5; fill:none; }

/* ============================================================
   NAVBAR
   ============================================================ */
.main-nav{
  position:fixed; top:0; left:0; right:0; z-index:1000; padding:22px 0;
  transition:padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), backdrop-filter .35s var(--ease);
}
.main-nav.scrolled{
  padding:12px 0; background:rgba(10,14,20,.85); backdrop-filter:blur(14px) saturate(140%); -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 8px 30px rgba(10,14,20,.25);
}
.nav-logo{display:flex; align-items:center; gap:10px;}
.nav-logo-mark{width:34px; height:34px; flex:none;}
.nav-logo-text{font-family:var(--font-display); font-weight:700; font-size:1.15rem; color:var(--paper); line-height:1.05;}
.nav-logo-text small{display:block; font-family:var(--font-mono); font-weight:400; font-size:.6rem; letter-spacing:.14em; color:var(--muted-2); text-transform:uppercase;}

.nav-menu-wrap .nav-link{
  font-family:var(--font-display); font-weight:600; font-size:.92rem; color:var(--paper);
  padding:8px 15px !important; position:relative; transition:color .3s ease;
}
.nav-link::after{
  content:''; position:absolute; left:15px; right:15px; bottom:2px; height:2px; background:var(--amber);
  transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after{transform:scaleX(1);}

.btn-nav-cta{
  background:var(--amber); color:var(--navy-950) !important; font-family:var(--font-display); font-weight:700; font-size:.88rem;
  padding:11px 20px; border-radius:100px; display:inline-flex; align-items:center; gap:8px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s ease;
}
.btn-nav-cta i{font-size:1.05rem;}
.btn-nav-cta:hover{background:#ffc350; transform:translateY(-2px); box-shadow:var(--shadow-mid); color:var(--navy-950);}

.navbar-toggler{
  border:none; background:transparent; width:34px; height:26px; position:relative; display:none;
  flex-direction:column; justify-content:space-between; padding:0; z-index:1100;
}
.toggler-line{display:block; height:2px; width:100%; background:var(--paper); border-radius:2px; transition:all .35s var(--ease);}
.navbar-toggler.open .toggler-line:nth-child(1){transform:translateY(11px) rotate(45deg);}
.navbar-toggler.open .toggler-line:nth-child(2){opacity:0;}
.navbar-toggler.open .toggler-line:nth-child(3){transform:translateY(-11px) rotate(-45deg);}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary-cta{
  background:var(--amber); color:var(--navy-950); font-family:var(--font-display); font-weight:700;
  padding:15px 30px; border-radius:100px; border:1px solid var(--amber); display:inline-flex; align-items:center; gap:10px; font-size:1rem;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s ease;
}
.btn-primary-cta:hover{background:#ffc350; color:var(--navy-950); transform:translateY(-3px); box-shadow:var(--shadow-mid);}

.btn-outline-cta{
  background:transparent; color:var(--paper); border:1.5px solid rgba(255,255,255,.4);
  font-family:var(--font-display); font-weight:700; padding:15px 30px; border-radius:100px; transition:all .35s var(--ease);
}
.btn-outline-cta:hover{background:var(--paper); color:var(--navy-950); border-color:var(--paper); transform:translateY(-3px);}

.btn-primary-cta-dark{
  background:var(--ink); color:var(--paper); font-family:var(--font-display); font-weight:700;
  padding:15px 30px; border-radius:100px; border:1px solid var(--ink); display:inline-flex; align-items:center; gap:10px; font-size:1rem;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s ease;
}
.btn-primary-cta-dark:hover{background:#000; transform:translateY(-3px); box-shadow:var(--shadow-mid); color:var(--paper);}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center; overflow:hidden;
  color:var(--paper); background:var(--navy-950);
}
.hero-bg{position:absolute; inset:0; z-index:0;}
.hero-bg picture{position:absolute; inset:0; display:block;}
.hero-bg img{
  width:100%; height:100%; object-fit:cover; object-position:50% 42%;
  filter:grayscale(20%) contrast(1.08) brightness(.78) saturate(1.05);
  transform:scale(1.05); animation:heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1.05);} to{transform:scale(1);}}
.hero-glow{
  position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(700px 420px at 82% 18%, rgba(255,176,32,.22), transparent 60%),
    radial-gradient(600px 500px at 8% 90%, rgba(63,214,232,.14), transparent 60%);
}
.hero-vignette{position:absolute; inset:0; z-index:1; background:linear-gradient(180deg, rgba(8,11,16,.55) 0%, rgba(8,11,16,.4) 38%, rgba(6,9,13,.95) 100%);}
.hero-content{position:relative; z-index:2; padding-top:112px;}
.hero-eyebrow{
  font-family:var(--font-mono); font-weight:500; letter-spacing:.16em; text-transform:uppercase; font-size:.78rem;
  color:var(--amber); margin-bottom:20px; display:flex; align-items:center; gap:10px;
}
.hero-eyebrow .dot{width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 10px var(--amber); flex:none;}
.hero h1{font-size:clamp(2.3rem, 5.2vw, 4.3rem); line-height:1.08; max-width:18ch; margin-bottom:22px;}
.hero h1 span{color:var(--amber);}
.hero h1 .frio{color:var(--cyan);}
.hero-sub{font-size:1.1rem; color:var(--muted-2); max-width:56ch; line-height:1.65; margin-bottom:34px;}
.hero-cta{display:flex; flex-wrap:wrap; gap:16px; margin-bottom:54px;}

.hero-stats{display:flex; gap:0; flex-wrap:wrap; border-top:1px solid rgba(255,255,255,.14); padding-top:0;}
.hero-stat{padding:26px 34px 0 0; border-right:1px solid rgba(255,255,255,.14); margin-right:34px;}
.hero-stat:last-child{border-right:none; margin-right:0;}
.hero-stat .num{font-family:var(--font-mono); font-weight:700; font-size:2rem; color:var(--paper);}
.hero-stat .plus{font-family:var(--font-mono); font-weight:700; font-size:1.1rem; color:var(--amber);}
.hero-stat p{color:var(--muted-2); font-size:.82rem; margin-top:6px; font-family:var(--font-mono); letter-spacing:.02em;}

.scroll-indicator{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:8px; color:var(--muted-2);
}
.scroll-indicator span{width:1px; height:34px; background:rgba(255,255,255,.3); position:relative; overflow:hidden;}
.scroll-indicator span::after{content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--amber); animation:scrollLine 2s ease-in-out infinite;}
@keyframes scrollLine{0%{top:-100%;} 60%{top:100%;} 100%{top:100%;}}
.scroll-indicator i{font-size:.78rem; animation:bounceDown 2s ease-in-out infinite;}
@keyframes bounceDown{0%,100%{transform:translateY(0);} 50%{transform:translateY(6px);}}

/* ============================================================
   TRUST STRIP — matrículas y marcas con las que trabaja
   ============================================================ */
.trust-strip{background:var(--bg-light); padding:24px 0; border-bottom:1px solid var(--line-light); overflow:hidden;}
.trust-label{font-family:var(--font-mono); font-weight:500; font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); text-align:center; margin-bottom:14px;}
.trust-track{display:flex; justify-content:center; flex-wrap:wrap; gap:12px 30px; align-items:center;}
.trust-track span{font-family:var(--font-display); font-weight:700; color:var(--ink); font-size:.95rem; letter-spacing:.02em; opacity:.82; display:inline-flex; align-items:center; gap:8px;}
.trust-track span i{color:var(--muted-2); font-size:.7rem;}

/* ============================================================
   SECTION GENERIC HEAD
   ============================================================ */
.section-eyebrow{
  display:inline-flex; align-items:center; gap:10px; font-family:var(--font-mono); font-weight:500; font-size:.76rem;
  letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin-bottom:16px;
}
.section-eyebrow::before{content:''; width:24px; height:2px; background:var(--amber); display:inline-block;}
.section-eyebrow-light{color:var(--muted-2);}
.section-eyebrow-light::before{background:var(--amber);}
.section-head{max-width:720px; margin-left:auto; margin-right:auto; margin-bottom:56px;}
.section-title{font-size:clamp(1.7rem, 3.2vw, 2.5rem); color:var(--ink); margin-bottom:16px;}
.section-title-light{font-size:clamp(1.7rem, 3.2vw, 2.5rem); color:var(--paper); margin-bottom:16px;}
.section-sub{color:var(--muted); font-size:1.03rem; line-height:1.65;}
.section-sub-light{color:var(--muted-2); font-size:1.03rem; line-height:1.65;}
.lead-text{font-size:1.1rem; line-height:1.7; color:var(--muted); margin-bottom:16px;}

section{padding:100px 0; position:relative;}
@media (max-width:768px){section{padding:68px 0;}}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about-card{
  position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-mid);
  background:var(--navy-950); color:var(--paper); aspect-ratio:5/6; padding:34px; display:flex; flex-direction:column; justify-content:space-between;
}
.about-card .ac-schematic{position:absolute; inset:0; opacity:.35;}
.about-card .ac-schematic svg{width:100%; height:100%;}
.about-card-top{position:relative; z-index:1;}
.about-card-top .mono-tag{color:var(--amber);}
.about-card-top h3{font-size:1.5rem; margin-top:10px; max-width:14ch;}
.about-card-badge{
  position:relative; z-index:1; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); backdrop-filter:blur(6px);
  color:var(--paper); padding:18px 22px; border-radius:var(--radius-md); display:flex; flex-direction:column; gap:2px;
}
.about-card-badge strong{font-family:var(--font-mono); font-size:1.7rem; font-weight:700; color:var(--amber);}
.about-card-badge span{font-size:.78rem; color:var(--muted-2);}

.about-highlights{display:flex; flex-direction:column; gap:22px; margin-top:32px;}
.about-highlight{display:flex; gap:18px; align-items:flex-start;}
.about-highlight i{
  flex:none; width:50px; height:50px; border-radius:var(--radius-sm); background:var(--bg-light);
  display:flex; align-items:center; justify-content:center; color:var(--ink); font-size:1.15rem;
}
.about-highlight h3{font-size:1.05rem; margin-bottom:4px; color:var(--ink);}
.about-highlight p{color:var(--muted); font-size:.95rem; line-height:1.55;}

/* ============================================================
   DIFERENCIALES (fondo oscuro)
   ============================================================ */
.section-diferenciales{background:var(--navy-950); color:var(--paper);}
.dif-card{
  background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius-md);
  padding:32px 24px; height:100%; transition:transform .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
}
.dif-card:hover{transform:translateY(-8px); background:rgba(255,255,255,.06); border-color:rgba(255,176,32,.35);}
.dif-icon{
  width:54px; height:54px; border-radius:50%; background:var(--navy-800); border:1px solid rgba(255,176,32,.4); color:var(--amber);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem; margin-bottom:20px;
}
.dif-card h3{font-size:1.1rem; color:var(--paper); margin-bottom:10px;}
.dif-card p{color:var(--muted-2); font-size:.92rem; line-height:1.6;}

/* ============================================================
   SERVICIOS — tabs eléctrico / frío
   ============================================================ */
.servicios-tabs{display:flex; justify-content:center; gap:10px; margin-bottom:48px; flex-wrap:wrap;}
.tab-btn{
  font-family:var(--font-display); font-weight:700; padding:13px 26px; border-radius:100px; font-size:.92rem;
  border:1.5px solid var(--line-light); background:var(--paper); color:var(--muted); display:inline-flex; align-items:center; gap:9px;
  transition:all .3s var(--ease);
}
.tab-btn i{font-size:.85rem;}
.tab-btn.active[data-tab="electrico"], .tab-btn:hover[data-tab="electrico"]{background:var(--ink); color:var(--paper); border-color:var(--ink);}
.tab-btn.active[data-tab="electrico"] i{color:var(--amber);}
.tab-btn.active[data-tab="frio"], .tab-btn:hover[data-tab="frio"]{background:var(--ink); color:var(--paper); border-color:var(--ink);}
.tab-btn.active[data-tab="frio"] i{color:var(--cyan);}
.tab-panel{display:none;}
.tab-panel.active{display:block; animation:fadeInPanel .5s var(--ease);}
@keyframes fadeInPanel{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:none;}}

.serv-card{
  background:var(--bg-light); border:1px solid var(--line-light); border-radius:var(--radius-md);
  padding:28px 24px; height:100%; position:relative; overflow:hidden; transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.serv-card::before{content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--amber);}
.serv-card.frio::before{background:var(--cyan);}
.serv-card:hover{transform:translateY(-8px); box-shadow:var(--shadow-mid);}
.serv-icon{width:44px; height:44px; border-radius:var(--radius-sm); background:var(--paper); border:1px solid var(--line-light); display:flex; align-items:center; justify-content:center; color:var(--ink); font-size:1.1rem; margin-bottom:16px;}
.serv-card h3{font-size:1.06rem; margin-bottom:10px; color:var(--ink);}
.serv-card p{color:var(--muted); font-size:.9rem; line-height:1.55;}

/* ============================================================
   ESPECIALIDADES (fondo oscuro, sin fotos: iconografía técnica)
   ============================================================ */
.section-especialidades{background:var(--navy-850);}
.spec-card{
  border-radius:var(--radius-md); overflow:hidden; background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.08);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease); height:100%; padding:30px 26px;
}
.spec-card:hover{transform:translateY(-8px); box-shadow:var(--shadow-strong); border-color:rgba(63,214,232,.35);}
.spec-num{font-family:var(--font-mono); font-size:.75rem; color:var(--cyan); letter-spacing:.1em; margin-bottom:16px; display:block;}
.spec-card h3{color:var(--paper); font-size:1.08rem; margin-bottom:10px;}
.spec-card p{color:var(--muted-2); font-size:.9rem; line-height:1.55;}

/* ============================================================
   GALERIA — carrusel por filtro (Electricidad / Refrigeración)
   ============================================================ */
.section-galeria{background:var(--navy-950); color:var(--paper);}
.gal-tabs{display:flex; justify-content:center; gap:10px; margin-bottom:44px; flex-wrap:wrap;}
.gal-tab-btn{
  font-family:var(--font-display); font-weight:700; padding:13px 26px; border-radius:100px; font-size:.92rem;
  border:1.5px solid rgba(255,255,255,.16); background:transparent; color:var(--muted-2); display:inline-flex; align-items:center; gap:9px;
  transition:all .3s var(--ease);
}
.gal-tab-btn i{font-size:.85rem;}
.gal-tab-btn.active, .gal-tab-btn:hover{background:var(--paper); color:var(--navy-950); border-color:var(--paper);}
.gal-tab-btn.active[data-gal-tab="electricidad"] i, .gal-tab-btn:hover[data-gal-tab="electricidad"] i{color:var(--amber-dim);}
.gal-tab-btn.active[data-gal-tab="refrigeracion"] i, .gal-tab-btn:hover[data-gal-tab="refrigeracion"] i{color:var(--cyan-dim);}

.gal-panel{display:none;}
.gal-panel.active{display:block; animation:fadeInPanel .5s var(--ease);}

.carousel{max-width:900px; margin:0 auto; position:relative;}
.carousel-viewport{
  overflow:hidden; border-radius:var(--radius-lg); aspect-ratio:16/10; background:var(--navy-900);
  border:1px solid rgba(255,255,255,.08); box-shadow:var(--shadow-strong);
}
.carousel-track{display:flex; height:100%; transition:transform .55s var(--ease); will-change:transform;}
.carousel-slide{flex:0 0 100%; height:100%;}
.carousel-slide img{width:100%; height:100%; object-fit:cover; filter:grayscale(15%) contrast(1.04);}

.carousel-btn{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:50px; height:50px; border-radius:50%; border:1px solid rgba(255,255,255,.18);
  background:rgba(10,14,20,.65); backdrop-filter:blur(6px); color:var(--paper); font-size:1.1rem;
  display:flex; align-items:center; justify-content:center; transition:background .3s ease, transform .3s ease;
}
.carousel-btn:hover{background:var(--amber); color:var(--navy-950);}
.carousel-prev{left:-8px;}
.carousel-next{right:-8px;}
@media (min-width:640px){ .carousel-prev{left:-24px;} .carousel-next{right:-24px;} }

.carousel-meta{
  display:flex; align-items:center; justify-content:center; gap:14px; margin-top:20px;
}
.carousel-counter{font-family:var(--font-mono); font-size:.8rem; letter-spacing:.06em; color:var(--muted-2);}
.carousel-counter strong{color:var(--paper);}

/* ============================================================
   PROCESO
   ============================================================ */
.proceso-track{display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative;}
.proceso-track::before{content:''; position:absolute; top:74px; left:12%; right:12%; height:1px; background:var(--line-light); z-index:0;}
.proceso-step{position:relative; z-index:1; text-align:center; padding:0 18px;}
.proceso-num{font-family:var(--font-mono); font-weight:700; font-size:.8rem; color:var(--muted-2); margin-bottom:10px; letter-spacing:.06em;}
.proceso-icon{
  width:78px; height:78px; border-radius:50%; margin:0 auto 22px; background:var(--paper); border:1.5px solid var(--line-light);
  display:flex; align-items:center; justify-content:center; font-size:1.65rem; color:var(--ink); box-shadow:var(--shadow-soft);
  transition:all .4s var(--ease);
}
.proceso-step:hover .proceso-icon{background:var(--ink); color:var(--amber); transform:scale(1.08);}
.proceso-step h3{font-size:1.08rem; margin-bottom:8px;}
.proceso-step p{color:var(--muted); font-size:.9rem; line-height:1.55; max-width:25ch; margin:0 auto;}
.proceso-note{
  margin-top:56px; display:flex; align-items:center; justify-content:center; gap:14px; text-align:center;
  background:var(--bg-light); border:1px dashed var(--line-light); border-radius:100px; padding:18px 30px; flex-wrap:wrap;
}
.proceso-note i{font-size:1.25rem; color:var(--amber-dim);}
.proceso-note p{color:var(--muted); font-size:.95rem;}
@media (max-width:900px){
  .proceso-track{grid-template-columns:repeat(2,1fr); row-gap:48px;}
  .proceso-track::before{display:none;}
}

/* ============================================================
   GARANTIAS
   ============================================================ */
.garantia-card{
  background:var(--bg-light); border-radius:var(--radius-md); padding:26px 22px; height:100%;
  border:1px solid var(--line-light); transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.garantia-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-soft);}
.garantia-card i{font-size:1.5rem; color:var(--amber-dim); margin-bottom:16px; display:block;}
.garantia-card h3{font-size:1.02rem; margin-bottom:8px;}
.garantia-card p{color:var(--muted); font-size:.88rem; line-height:1.55;}

/* ============================================================
   ZONA
   ============================================================ */
.section-zona{background:var(--navy-950); color:var(--paper);}
.zona-list{list-style:none; padding:0; margin:26px 0; display:flex; flex-direction:column; gap:12px;}
.zona-list li{color:var(--muted-2); font-size:1rem; display:flex; align-items:center; gap:12px;}
.zona-list i{color:var(--amber);}
.zona-list.expand li i{color:var(--cyan);}
.zona-clientes{display:flex; gap:24px; flex-wrap:wrap; margin-top:6px;}
.zona-clientes div{display:flex; align-items:center; gap:10px; color:var(--muted-2); font-family:var(--font-display); font-weight:600; font-size:.92rem;}
.zona-clientes i{font-size:1.15rem; color:var(--muted-2);}
.zona-map-wrap{border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-strong); filter:grayscale(65%) invert(92%) contrast(90%); border:1px solid rgba(255,255,255,.1);}
.zona-map-wrap iframe{display:block;}

/* ============================================================
   RESEÑAS / CONFIANZA (sin testimonios ficticios)
   ============================================================ */
.confianza-card{
  background:var(--paper); border:1px solid var(--line-light); border-radius:var(--radius-md); padding:30px 26px; height:100%;
  display:flex; flex-direction:column; gap:14px;
}
.confianza-card i{font-size:1.5rem; color:var(--amber-dim);}
.confianza-card h3{font-size:1.05rem;}
.confianza-card p{color:var(--muted); font-size:.92rem; line-height:1.6;}

/* ============================================================
   FAQ
   ============================================================ */
.faq-item{border-bottom:1px solid var(--line-light);}
.faq-question{
  width:100%; text-align:left; background:none; border:none; padding:22px 0; font-family:var(--font-display);
  font-weight:600; font-size:1.02rem; color:var(--ink); display:flex; justify-content:space-between; align-items:center; gap:14px;
}
.faq-question i{color:var(--muted-2); transition:transform .35s var(--ease); flex:none;}
.faq-question:not(.collapsed) i{transform:rotate(45deg); color:var(--amber-dim);}
.faq-answer p{color:var(--muted); line-height:1.65; padding-bottom:22px; font-size:.96rem;}

/* ============================================================
   CTA FINAL
   ============================================================ */
.section-cta-final{background:var(--navy-950); color:var(--paper); text-align:center; padding:110px 0; position:relative; overflow:hidden;}
.section-cta-final .cta-schematic{position:absolute; inset:0; opacity:.25;}
.section-cta-final .cta-schematic svg{width:100%; height:100%;}
.section-cta-final h2{font-size:clamp(1.8rem,3.4vw,2.7rem); max-width:18ch; margin:0 auto 18px; position:relative;}
.section-cta-final p{color:var(--muted-2); max-width:52ch; margin:0 auto 36px; font-size:1.03rem; position:relative;}
.section-cta-final .btn-primary-cta{position:relative;}

/* ============================================================
   CONTACTO / FORM
   ============================================================ */
.contact-list{list-style:none; padding:0; margin:28px 0; display:flex; flex-direction:column; gap:22px;}
.contact-list li{display:flex; align-items:flex-start; gap:16px;}
.contact-list i{width:46px; height:46px; border-radius:50%; background:var(--bg-light); display:flex; align-items:center; justify-content:center; color:var(--ink); flex:none; font-size:1.05rem;}
.contact-list strong{display:block; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted-2); margin-bottom:3px;}
.contact-list a, .contact-list span{font-size:1rem; color:var(--ink); font-weight:600;}
.contact-social{display:flex; gap:12px; margin-top:8px;}
.contact-social a{
  width:44px; height:44px; border-radius:50%; background:var(--bg-light); display:flex; align-items:center; justify-content:center;
  color:var(--ink); transition:all .3s var(--ease); font-size:1.05rem;
}
.contact-social a:hover{background:var(--ink); color:var(--amber); transform:translateY(-3px);}

.contact-form{background:var(--bg-light); border:1px solid var(--line-light); border-radius:var(--radius-lg); padding:38px;}
.contact-form .form-label{font-family:var(--font-display); font-weight:600; font-size:.86rem; margin-bottom:6px; color:var(--muted);}
.contact-form .form-control, .contact-form .form-select{
  border-radius:var(--radius-sm); border:1.5px solid var(--line-light); padding:12px 16px; font-family:var(--font-body);
  transition:border-color .3s ease, box-shadow .3s ease;
}
.contact-form .form-control:focus, .contact-form .form-select:focus{border-color:var(--amber-dim); box-shadow:0 0 0 3px rgba(255,176,32,.15); outline:none;}
.form-note{margin-top:16px; color:var(--muted-2); font-size:.82rem; display:flex; align-items:center; gap:8px;}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer{background:var(--navy-950); color:var(--muted-2); padding:80px 0 30px;}
.footer-logo{display:flex; align-items:center; gap:10px; margin-bottom:18px;}
.footer-logo-mark{width:32px; height:32px;}
.footer-logo-text{font-family:var(--font-display); font-weight:700; color:var(--paper); font-size:1.1rem;}
.main-footer p{font-size:.92rem; line-height:1.65; margin-top:6px;}
.main-footer h4{color:var(--paper); font-size:.94rem; margin-bottom:18px; font-family:var(--font-mono); letter-spacing:.08em; text-transform:uppercase; font-weight:500;}
.footer-links{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:12px; font-size:.9rem;}
.footer-links a{color:var(--muted-2); transition:color .3s ease, padding-left .3s ease;}
.footer-links a:hover{color:var(--paper); padding-left:4px;}
.footer-links i{margin-right:8px; color:var(--muted); width:14px;}
.main-footer hr{border-color:rgba(255,255,255,.08); margin:46px 0 24px;}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color:var(--muted);}
.footer-bottom a{color:var(--muted-2); font-weight:600;}
.footer-bottom a:hover{color:var(--paper);}

/* ============================================================
   WHATSAPP FLOTANTE + BACK TO TOP
   ============================================================ */
.wsp-float{
  position:fixed; bottom:26px; right:26px; z-index:900; width:60px; height:60px; border-radius:50%;
  background:var(--ink); color:#3ddc84; display:flex; align-items:center; justify-content:center; font-size:1.8rem;
  box-shadow:var(--shadow-mid); transition:transform .3s var(--ease);
}
.wsp-float:hover{transform:scale(1.08); color:#3ddc84;}
.wsp-ping{position:absolute; inset:0; border-radius:50%; border:2px solid #3ddc84; opacity:.7; animation:ping 2.2s ease-out infinite;}
@keyframes ping{0%{transform:scale(1); opacity:.6;} 100%{transform:scale(1.6); opacity:0;}}

#backToTop{
  position:fixed; bottom:26px; left:26px; z-index:900; width:46px; height:46px; border-radius:50%;
  background:var(--paper); border:1px solid var(--line-light); color:var(--ink); box-shadow:var(--shadow-soft);
  opacity:0; visibility:hidden; transform:translateY(12px); transition:all .35s var(--ease);
}
#backToTop.show{opacity:1; visibility:visible; transform:none;}
#backToTop:hover{background:var(--ink); color:var(--amber);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:991.98px){
  .navbar-toggler{display:flex;}
  .nav-menu-wrap{
    position:fixed; top:0; right:0; height:100vh; width:min(340px, 82vw); background:var(--navy-950);
    padding:100px 32px 32px; transform:translateX(100%); transition:transform .45s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,.35); z-index:1050;
  }
  .nav-menu-wrap.open{transform:none;}
  .nav-menu-wrap .navbar-nav{flex-direction:column; align-items:flex-start !important; gap:6px; width:100%;}
  .nav-menu-wrap .nav-link{width:100%; padding:12px 6px !important;}
  .btn-nav-cta{margin-top:16px; width:100%; justify-content:center;}
  .hero-stat{padding-right:0; margin-right:24px; padding-top:22px;}
}

@media (max-width:575.98px){
  .hero-stats{gap:0;}
  .hero-stat{margin-right:20px; padding-right:0;}
  .hero-stat .num{font-size:1.6rem;}
  section{padding:60px 0;}
  .contact-form{padding:24px;}
  .wsp-float{width:52px; height:52px; font-size:1.55rem; bottom:18px; right:18px;}
  #backToTop{bottom:18px; left:18px;}
  .about-card{aspect-ratio:auto; min-height:340px;}
  .carousel-viewport{aspect-ratio:4/5;}
}

/* ============ FIX: asegurar altura del hero-bg en mobile mientras carga la imagen ============ */
@media (max-width:767px){
  .hero-bg{min-height:100vh; background:var(--navy-950);}
  .hero-bg picture{min-height:100vh;}
}


/* ============================================================
   FIX: hero-stats en grilla 2x2 prolija en mobile
   ============================================================ */
@media (max-width:575.98px){
  .hero-stats{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:0;
    border-top:1px solid rgba(255,255,255,.14);
  }
  .hero-stat{
    margin-right:0;
    padding:22px 16px 22px 0;
    border-right:1px solid rgba(255,255,255,.14);
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .hero-stat:nth-child(2n){
    border-right:none;
    padding-left:16px;
    padding-right:0;
  }
  .hero-stat:nth-child(3),
  .hero-stat:nth-child(4){
    border-bottom:none;
  }
  .hero-stat .num{font-size:1.5rem;}
  .hero-stat p{font-size:.72rem; line-height:1.3;}
}