:root {
  --fire:#FF4500; --ember:#FF8C00; --gold:#FFD700;
  --steel:#8A9BB0; --dark:#0A0A0C; --charcoal:#111117;
  --iron:#1A1A22; --white:#F0EDE8; --green:#00E87A;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--dark);color:var(--white);font-family:'Barlow',sans-serif;overflow-x:hidden;cursor:none;}

/* ── CURSOR ── */
#cursor{position:fixed;width:14px;height:14px;background:var(--fire);border-radius:50%;pointer-events:none;z-index:9999;mix-blend-mode:screen;transition:transform 0.1s;box-shadow:0 0 12px var(--fire),0 0 30px var(--ember);transform:translate(-50%,-50%);}
#cursor-ring{position:fixed;width:40px;height:40px;border:1px solid rgba(255,69,0,0.5);border-radius:50%;pointer-events:none;z-index:9998;transition:border-color 0.3s;transform:translate(-50%,-50%);}
#cursor.hovered{transform:translate(-50%,-50%) scale(2);}
#cursor-ring.hovered{border-color:rgba(255,69,0,0.9);transform:translate(-50%,-50%) scale(1.5);}

/* ── SPARKS ── */
#spark-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9990;overflow:hidden;}
.spark{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--gold);opacity:0;box-shadow:0 0 6px var(--fire);animation:sparkFly 0.75s ease-out forwards;}
@keyframes sparkFly{0%{opacity:1;transform:translate(0,0) scale(1);}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(0);}}

/* ── NAV ── */
#topnav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;
  background:rgba(10,10,12,0.97);border-bottom:1px solid rgba(255,69,0,0.18);
  display:flex;align-items:center;justify-content:space-between;padding:0 40px;
  backdrop-filter:blur(10px);
}
.nav-logo{font-family:'Bebas Neue',sans-serif;font-size:1.8rem;letter-spacing:4px;color:var(--white);cursor:pointer;}
.nav-logo span{color:var(--fire);}
.nav-pages{display:flex;gap:2px;}
.nav-btn{
  background:transparent;border:none;color:var(--steel);
  font-family:'Share Tech Mono',monospace;font-size:0.7rem;letter-spacing:2px;text-transform:uppercase;
  padding:8px 16px;cursor:pointer;border-radius:2px;transition:all 0.25s;position:relative;
}
.nav-btn::after{content:'';position:absolute;bottom:0;left:50%;right:50%;height:2px;background:var(--fire);transition:all 0.3s;}
.nav-btn:hover{color:var(--white);}
.nav-btn.active{color:var(--fire);}
.nav-btn.active::after{left:10%;right:10%;}
.nav-cta{
  background:var(--fire);border:none;color:var(--dark);
  font-family:'Bebas Neue',sans-serif;font-size:1rem;letter-spacing:3px;
  padding:10px 26px;cursor:pointer;
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  transition:all 0.3s;
}
.nav-cta:hover{background:var(--gold);box-shadow:0 0 20px rgba(255,69,0,0.5);}

/* ── PAGES ── */
.page{display:none;min-height:100vh;padding-top:64px;animation:fadeUp 0.42s cubic-bezier(0.22,1,0.36,1);}
.page.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}

/* ── HERO ── */
.hero{position:relative !important;height:calc(100vh - 64px);min-height:500px;display:flex;align-items:center;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background:radial-gradient(ellipse 55% 70% at 68% 50%,rgba(255,69,0,0.13) 0%,transparent 70%),
             linear-gradient(160deg,var(--dark) 0%,#0D0508 60%,#100808 100%);
}
.particles-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.pt{position:absolute;border-radius:50%;background:var(--fire);animation:ptFloat linear infinite;}
@keyframes ptFloat{from{transform:translateY(100vh) scale(1);opacity:.7;}to{transform:translateY(-20px) scale(0);opacity:0;}}

.arc-wrap{position:absolute;right:14%;top:50%;transform:translateY(-50%);pointer-events:none;}
.arc-core{
  width:10px;height:10px;border-radius:50%;background:white;margin:auto;
  box-shadow:0 0 10px 5px white,0 0 35px 15px var(--gold),0 0 90px 35px var(--ember),0 0 160px 70px rgba(255,69,0,.35);
  animation:arcFlicker .09s infinite alternate;
}
@keyframes arcFlicker{from{transform:scale(1) translate(0,0);opacity:1;}to{transform:scale(1.3) translate(1px,-1px);opacity:.82;}}
.arc-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;border:1px solid rgba(255,140,0,.2);animation:ringPulse 2s ease-in-out infinite;}
.arc-ring:nth-child(1){width:80px;height:80px;}
.arc-ring:nth-child(2){width:160px;height:160px;animation-delay:.4s;}
.arc-ring:nth-child(3){width:260px;height:260px;animation-delay:.8s;}
@keyframes ringPulse{0%,100%{opacity:.6;transform:translate(-50%,-50%) scale(1);}50%{opacity:.15;transform:translate(-50%,-50%) scale(1.05);}}

.hero-content{position:relative;z-index:5;padding:0 80px;padding-bottom:130px;max-width:720px;animation:fadeUp 1s cubic-bezier(.22,1,.36,1) both;}
.hero-eyebrow{font-family:'Share Tech Mono',monospace;font-size:.7rem;letter-spacing:6px;color:var(--fire);text-transform:uppercase;display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.hero-eyebrow::before{content:'';width:36px;height:1px;background:var(--fire);}
.hero-h1{font-family:'Bebas Neue',sans-serif;font-size:clamp(4.5rem,9vw,9.5rem);line-height:.88;letter-spacing:2px;margin-bottom:26px;}
.fire-word{background:linear-gradient(135deg,var(--fire) 0%,var(--gold) 55%,var(--ember) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200%;animation:shimmer 3s ease infinite;}
@keyframes shimmer{0%,100%{background-position:0% 50%;}50%{background-position:100% 50%;}}
.hero-p{font-size:1.05rem;font-weight:300;color:var(--steel);line-height:1.8;max-width:460px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-fire{background:linear-gradient(135deg,var(--fire),var(--ember));color:var(--dark);border:none;font-family:'Bebas Neue',sans-serif;font-size:1.05rem;letter-spacing:3px;padding:15px 42px;cursor:pointer;clip-path:polygon(10px 0%,100% 0%,calc(100% - 10px) 100%,0% 100%);transition:all .3s;}
.btn-fire:hover{box-shadow:0 0 30px rgba(255,69,0,.55);transform:translateY(-2px);}
.btn-ghost{background:transparent;border:1px solid rgba(255,69,0,.5);color:var(--fire);font-family:'Bebas Neue',sans-serif;font-size:1.05rem;letter-spacing:3px;padding:15px 42px;cursor:pointer;clip-path:polygon(10px 0%,100% 0%,calc(100% - 10px) 100%,0% 100%);transition:all .3s;}
.btn-ghost:hover{background:rgba(255,69,0,.1);}

.hero-stats{position:absolute !important;bottom:0 !important;left:0 !important;right:0 !important;top:auto !important;background:rgba(10,10,12,.88);border-top:1px solid rgba(255,69,0,.2);backdrop-filter:blur(8px);display:flex !important;flex-direction:row !important;flex-wrap:nowrap !important;z-index:5;}
.stat-cell{flex:1;padding:22px 0;text-align:center;border-right:1px solid rgba(255,69,0,.12);transition:background .3s;cursor:default;}
.stat-cell:last-child{border-right:none;}
.stat-cell:hover{background:rgba(255,69,0,.06);}
.stat-num{font-family:'Bebas Neue',sans-serif;font-size:2.2rem;color:var(--fire);letter-spacing:2px;line-height:1;}
.stat-lbl{font-family:'Share Tech Mono',monospace;font-size:.6rem;letter-spacing:3px;color:var(--steel);text-transform:uppercase;margin-top:5px;}

/* ── PAGE NAV ARROWS ── */
.page-nav-row{display:flex;justify-content:flex-end;gap:10px;padding:28px 60px 10px;}
.pg-arrow{background:var(--iron);border:1px solid rgba(255,69,0,.25);color:var(--steel);font-family:'Share Tech Mono',monospace;font-size:.68rem;letter-spacing:2px;text-transform:uppercase;padding:10px 20px;cursor:pointer;display:flex;align-items:center;gap:7px;transition:all .3s;clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);}
.pg-arrow:hover{background:rgba(255,69,0,.12);border-color:var(--fire);color:var(--fire);}

/* ── SECTION HEADER ── */
.sec-header{padding:56px 60px 36px;}
.sec-tag{font-family:'Share Tech Mono',monospace;font-size:.65rem;letter-spacing:5px;color:var(--fire);text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.sec-tag::before{content:'';width:28px;height:1px;background:var(--fire);}
.sec-title{font-family:'Bebas Neue',sans-serif;font-size:clamp(2.8rem,5.5vw,5.5rem);line-height:.95;letter-spacing:2px;}

/* ── TABS ── */
.tabs-bar{display:flex;gap:0;border-bottom:1px solid rgba(255,69,0,.2);padding:0 60px;overflow-x:auto;scrollbar-width:none;}
.tabs-bar::-webkit-scrollbar{display:none;}
.tab-btn{background:none;border:none;border-bottom:2px solid transparent;color:var(--steel);font-family:'Share Tech Mono',monospace;font-size:.7rem;letter-spacing:3px;text-transform:uppercase;padding:13px 22px;cursor:pointer;white-space:nowrap;transition:all .3s;margin-bottom:-1px;}
.tab-btn:hover{color:var(--white);}
.tab-btn.active{color:var(--fire);border-bottom-color:var(--fire);}
.tab-panel{display:none;padding:38px 60px 60px;animation:fadeUp .3s ease;}
.tab-panel.active{display:block;}

.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start;}
.svc-info h3{font-family:'Bebas Neue',sans-serif;font-size:2.6rem;letter-spacing:2px;margin-bottom:14px;}
.svc-info p{font-size:.95rem;color:var(--steel);line-height:1.9;margin-bottom:18px;}
.svc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:26px;}
.svc-tag{background:rgba(255,69,0,.1);border:1px solid rgba(255,69,0,.3);color:var(--fire);font-family:'Share Tech Mono',monospace;font-size:.6rem;letter-spacing:2px;padding:5px 11px;}
.svc-specs{background:var(--iron);padding:26px;border-left:2px solid var(--fire);}
.svc-specs h4{font-family:'Bebas Neue',sans-serif;font-size:1.15rem;letter-spacing:2px;margin-bottom:14px;color:var(--ember);}
.spec-row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:.85rem;}
.spec-row:last-child{border-bottom:none;}
.spec-k{color:var(--steel);font-weight:300;}
.spec-v{color:var(--white);font-family:'Share Tech Mono',monospace;font-size:.78rem;}

/* Photo grid */
.photo-section{margin-top:26px;}
.photo-section-title{font-family:'Share Tech Mono',monospace;font-size:.62rem;letter-spacing:4px;color:var(--steel);text-transform:uppercase;margin-bottom:12px;}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;}
.photo-grid img.gallery-img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:zoom-in;transition:transform .3s,filter .3s;filter:brightness(.85);}
.photo-grid img.gallery-img:hover{transform:scale(1.04);filter:brightness(1);z-index:2;position:relative;}
.gallery-img{aspect-ratio:1;width:100%;height:100%;object-fit:cover;cursor:zoom-in;transition:transform .25s,opacity .25s;display:block;}
.gallery-img:hover{transform:scale(1.04);opacity:.85;}
.no-photos-msg{font-family:'Share Tech Mono',monospace;font-size:.6rem;letter-spacing:3px;color:var(--steel);text-transform:uppercase;padding:20px 0;opacity:.5;}
/* Lightbox */
#lightbox{display:none;position:fixed;inset:0;z-index:3000;align-items:center;justify-content:center;}
#lightbox.open{display:flex;}
#lb-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.92);backdrop-filter:blur(8px);}
#lb-img{position:relative;max-width:90vw;max-height:88vh;object-fit:contain;box-shadow:0 0 60px rgba(255,69,0,.2);animation:fadeUp .25s ease;}
#lb-close{position:absolute;top:18px;right:22px;background:none;border:1px solid rgba(255,69,0,.4);color:var(--fire);font-size:1.1rem;width:36px;height:36px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;}
#lb-close:hover{background:rgba(255,69,0,.15);}
input[type="file"]{display:none;}

/* ── PROYECTOS ── */
.proj-filters{display:flex;gap:7px;padding:0 60px 26px;flex-wrap:wrap;}
.filter-btn{background:var(--iron);border:1px solid rgba(138,155,176,.2);color:var(--steel);font-family:'Share Tech Mono',monospace;font-size:.63rem;letter-spacing:3px;text-transform:uppercase;padding:8px 17px;cursor:pointer;transition:all .3s;clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);}
.filter-btn:hover{color:var(--white);border-color:rgba(255,69,0,.4);}
.filter-btn.active{background:rgba(255,69,0,.15);border-color:var(--fire);color:var(--fire);}
.projects-wall{padding:0 60px 60px;}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;}
.proj-card{background:var(--iron);position:relative;overflow:hidden;aspect-ratio:4/3;cursor:pointer;transition:transform .4s cubic-bezier(.22,1,.36,1);}
.proj-card.tall{grid-row:span 2;aspect-ratio:auto;}
.proj-card:hover{transform:scale(1.02);z-index:2;}
.proj-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s;}
.proj-card:hover .proj-bg{transform:scale(1.06);}
.cat-estructura .proj-bg{background:linear-gradient(135deg,#1a0800 0%,#2d1200 50%,#150a00 100%);}
.cat-calderia   .proj-bg{background:linear-gradient(135deg,#0a0f1a 0%,#0d1929 50%,#080d16 100%);}
.cat-fabricacion.proj-bg,.cat-fabricacion .proj-bg{background:linear-gradient(135deg,#0f0a00 0%,#231500 50%,#0f0a00 100%);}
.cat-reparacion .proj-bg{background:linear-gradient(135deg,#1a0300 0%,#2a0800 50%,#150200 100%);}
/* Solo muestra la cuadrícula decorativa si NO hay imagen de fondo */
.proj-bg:not([style*="background-image"])::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px;}
.proj-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,10,12,.95) 0%,rgba(10,10,12,.2) 55%,transparent 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:22px;opacity:0;transition:opacity .35s;}
.proj-card:hover .proj-overlay{opacity:1;}
.proj-cat-lbl{font-family:'Share Tech Mono',monospace;font-size:.58rem;letter-spacing:4px;color:var(--fire);text-transform:uppercase;margin-bottom:5px;}
.proj-name-lbl{font-family:'Bebas Neue',sans-serif;font-size:1.3rem;letter-spacing:2px;}
.proj-year-lbl{font-size:.78rem;color:var(--steel);margin-top:3px;}


/* ── NOSOTROS ── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.about-left{padding:36px 60px 56px;}
.about-right{background:var(--iron);padding:46px 48px 56px;border-left:1px solid rgba(255,69,0,.1);}
.about-p{font-size:.97rem;color:var(--steel);line-height:1.9;margin-bottom:18px;}
.about-p strong{color:var(--white);}
.cert-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;}
.cert-badge{background:rgba(255,69,0,.1);border:1px solid rgba(255,69,0,.25);color:var(--fire);font-family:'Share Tech Mono',monospace;font-size:.6rem;letter-spacing:2px;padding:7px 13px;}
.team-ttl{font-family:'Bebas Neue',sans-serif;font-size:1.9rem;letter-spacing:2px;margin-bottom:22px;}
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.team-card{background:var(--charcoal);padding:18px;border-left:2px solid transparent;transition:all .3s;}
.team-card:hover{border-left-color:var(--fire);transform:translateX(4px);}
.t-avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--fire),var(--ember));display:flex;align-items:center;justify-content:center;font-family:'Bebas Neue',sans-serif;font-size:1.25rem;color:var(--dark);margin-bottom:10px;}
.t-name{font-weight:600;font-size:.92rem;margin-bottom:3px;}
.t-role{font-family:'Share Tech Mono',monospace;font-size:.62rem;letter-spacing:2px;color:var(--steel);}
.values-wrap{padding:0 60px 56px;}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;}
.val-card{background:var(--iron);padding:34px 26px;position:relative;overflow:hidden;transition:transform .35s;}
.val-card:hover{transform:translateY(-5px);}
.val-card::before{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--fire),transparent);transform:scaleX(0);transform-origin:left;transition:transform .4s;}
.val-card:hover::before{transform:scaleX(1);}
.val-icon{font-size:1.7rem;margin-bottom:14px;}
.val-title{font-family:'Bebas Neue',sans-serif;font-size:1.35rem;letter-spacing:2px;margin-bottom:9px;}
.val-desc{font-size:.83rem;color:var(--steel);line-height:1.7;}

/* ── CONTACTO ── */
.contacto-grid{display:grid;grid-template-columns:1fr 1.3fr;min-height:calc(100vh - 240px);}
.contact-side{background:var(--iron);padding:46px 48px;border-right:1px solid rgba(255,69,0,.1);display:flex;flex-direction:column;}
.contact-side-p{font-size:.95rem;color:var(--steel);line-height:1.8;margin-bottom:36px;}
.cinfo{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.04);align-items:flex-start;}
.cinfo:last-child{border-bottom:none;}
.cinfo-icon{width:34px;height:34px;border:1px solid rgba(255,69,0,.35);display:flex;align-items:center;justify-content:center;color:var(--fire);font-size:.95rem;flex-shrink:0;margin-top:2px;}
.cinfo-lbl{font-family:'Share Tech Mono',monospace;font-size:.58rem;letter-spacing:3px;color:var(--fire);text-transform:uppercase;margin-bottom:4px;}
.cinfo-val{font-size:.9rem;color:var(--white);line-height:1.5;}
.contact-form-wrap{padding:46px 56px;}
.contact-form-wrap h3{font-family:'Bebas Neue',sans-serif;font-size:1.9rem;letter-spacing:2px;margin-bottom:26px;}
.cform{display:flex;flex-direction:column;gap:14px;}
.fg{display:flex;flex-direction:column;gap:7px;}
.fg label{font-family:'Share Tech Mono',monospace;font-size:.62rem;letter-spacing:3px;color:var(--steel);text-transform:uppercase;}
.fg input,.fg textarea,.fg select{background:var(--iron);border:1px solid rgba(138,155,176,.15);border-bottom-color:rgba(255,69,0,.35);color:var(--white);padding:12px 15px;font-family:'Barlow',sans-serif;font-size:.94rem;outline:none;transition:border-color .3s;clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);appearance:none;}
.fg select option{background:var(--iron);}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:var(--fire);}
.fg textarea{resize:vertical;min-height:90px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:.78rem;color:var(--steel);margin-top:2px;}

/* ── MODAL ── */


/* ── TOAST ── */
.toast{position:fixed;bottom:28px;right:28px;z-index:3000;background:var(--green);color:var(--dark);font-family:'Bebas Neue',sans-serif;font-size:1.05rem;letter-spacing:3px;padding:14px 30px;clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);transform:translateY(100px);opacity:0;transition:all .4s cubic-bezier(.22,1,.36,1);}
.toast.show{transform:translateY(0);opacity:1;}

/* ── RESPONSIVE ── */

.nav-logo-img {
  height: 48px;
  width: auto;
  cursor: pointer;
  transition: opacity .2s;
  display: block;
}
.nav-logo-img:hover { opacity: .85; }

/* ═══════════════════════════════════════════════════
   RESPONSIVE — Escritorio primero, luego se adapta
   Breakpoints:
     - Tablet:  ≤ 900px
     - Móvil:   ≤ 600px
     - Pequeño: ≤ 380px
═══════════════════════════════════════════════════ */

/* ── TABLET (≤ 900px) ─────────────────────────── */
@media(max-width:900px){

  /* NAV */
  #topnav { padding: 0 16px; }
  .nav-logo-img { height: 40px; }
  .nav-pages .nav-btn { padding: 8px 10px; font-size: .62rem; letter-spacing: 1px; }
  .nav-cta { padding: 7px 14px; font-size: .62rem; }

  /* HERO */
  .hero-content { padding: 0 28px 160px; }
  .hero-h1 { font-size: clamp(3rem, 8vw, 5rem); line-height: .92; }
  .hero-eyebrow { font-size: .6rem; letter-spacing: 3px; }
  .hero-p { font-size: .9rem; }
  .arc-wrap { display: none; }
  .hero-stats { flex-wrap: nowrap; }
  .stat-cell { flex: 1; border-right: 1px solid rgba(255,69,0,.12) !important; border-bottom: none !important; }

  /* SECCIONES */
  .sec-header,.tabs-bar,.tab-panel,.proj-filters,.projects-wall { padding-left: 24px; padding-right: 24px; }
  .sec-title { font-size: clamp(1.8rem, 5vw, 2.8rem); }

  /* SERVICIOS */
  .svc-detail { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2,1fr); }

  /* PROYECTOS */
  .proj-grid { grid-template-columns: 1fr 1fr; gap: 5px; }
  .proj-card.tall { grid-row: auto; aspect-ratio: 4/3; }
  .inst-section { padding: 0 24px 40px; }
  .inst-grid { grid-template-columns: 1fr 1fr; }

  /* NOSOTROS */
  .about-grid { grid-template-columns: 1fr; }
  .about-left { padding: 28px 24px; }
  .about-right { border-left: none; border-top: 1px solid rgba(255,69,0,.1); padding: 28px 24px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .values-wrap { padding: 0 24px 40px; }
  .values-grid { grid-template-columns: 1fr 1fr; }

  /* CONTACTO */
  .contacto-grid { grid-template-columns: 1fr; }
  .contact-side { border-right: none; border-bottom: 1px solid rgba(255,69,0,.1); padding: 28px 24px; }
  .contact-form-wrap { padding: 28px 24px; }
  .form-row { grid-template-columns: 1fr; }

  /* NAV INFERIOR */
  .page-nav-row { padding: 20px 24px; }
}

/* ── MÓVIL (≤ 600px) ──────────────────────────── */
@media(max-width:600px){

  /* NAV — ocultar botones, mostrar hamburguesa */
  #topnav { padding: 0 14px; height: 56px; }
  .nav-logo-img { height: 36px; }
  .nav-pages { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  /* HERO */
  .hero { min-height: calc(100vh - 56px); align-items: flex-start; padding-top: 48px; }
  .hero-content { padding: 0 16px 200px; }
  .hero-h1 { font-size: clamp(2.4rem, 12vw, 3.2rem); line-height: .9; }
  .hero-eyebrow { font-size: .54rem; letter-spacing: 2px; }
  .hero-p { font-size: .86rem; line-height: 1.7; margin-bottom: 20px; }
  .hero-btns { flex-direction: column; gap: 10px; }
  .btn-fire, .btn-ghost { width: 100%; text-align: center; justify-content: center; padding: 14px 20px; font-size: .72rem; }
  .stat-cell { padding: 14px 6px; }
  .stat-num { font-size: 1.2rem; }
  .stat-lbl { font-size: .4rem; letter-spacing: 1px; }
  .stat-lbl { font-size: .46rem; letter-spacing: 2px; }

  /* SECCIONES */
  .sec-header,.tabs-bar,.tab-panel,.proj-filters,.projects-wall { padding-left: 14px; padding-right: 14px; }
  .sec-header { padding-top: 28px; padding-bottom: 14px; }
  .sec-title { font-size: clamp(1.5rem, 10vw, 2rem); }
  .sec-tag { font-size: .5rem; letter-spacing: 3px; }

  /* TABS SERVICIOS */
  .tabs-bar { gap: 3px; padding-bottom: 10px; }
  .tab-btn { font-size: .52rem; padding: 6px 8px; letter-spacing: 0; }
  .tab-panel { padding-top: 0; }
  .svc-info h3 { font-size: 1.2rem; }
  .svc-info p { font-size: .84rem; }
  .svc-tags { gap: 5px; }
  .svc-tag { font-size: .48rem; padding: 4px 7px; }
  .svc-specs { grid-template-columns: 1fr; gap: 5px; }
  .photo-grid { grid-template-columns: 1fr 1fr; }

  /* PROYECTOS */
  .proj-filters { gap: 3px; padding-bottom: 10px; }
  .filter-btn { font-size: .52rem; padding: 6px 8px; letter-spacing: 0; }
  .filter-btn-inst { margin-left: 5px; padding-left: 9px; }
  .proj-grid { grid-template-columns: 1fr; }
  .inst-section { padding: 0 14px 24px; }
  .inst-grid { grid-template-columns: 1fr 1fr; gap: 4px; }

  /* NOSOTROS */
  .about-left { padding: 20px 14px; }
  .about-right { padding: 20px 14px; }
  .team-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .team-card { padding: 16px 12px; }
  .t-name { font-size: .84rem; }
  .values-wrap { padding: 0 14px 24px; }
  .values-grid { grid-template-columns: 1fr; }
  .val-card { padding: 20px 16px; }
  .cert-row { padding: 4px 14px 20px; gap: 5px; }
  .cert-badge { font-size: .48rem; padding: 4px 8px; letter-spacing: 2px; }

  /* CONTACTO */
  .contact-side { padding: 20px 14px; }
  .contact-form-wrap { padding: 20px 14px; }
  .contact-form-wrap h3 { font-size: 1.1rem; }
  .fg label { font-size: .68rem; }
  .fg input, .fg select, .fg textarea { font-size: .84rem; padding: 10px 12px; }

  /* NAV INFERIOR */
  .page-nav-row { flex-direction: column; gap: 8px; padding: 14px 14px 28px; }
  .pg-arrow { width: 100%; justify-content: center; font-size: .68rem; }
}

/* ── PANTALLAS MUY PEQUEÑAS (≤ 380px) ────────── */
@media(max-width:380px){
  .hero-h1 { font-size: clamp(2rem, 13vw, 2.4rem); }
  .tab-btn { font-size: .48rem; padding: 5px 6px; }
  .filter-btn { font-size: .48rem; padding: 5px 6px; }
  .team-grid { grid-template-columns: 1fr; }
  .inst-grid { grid-template-columns: 1fr; }
  .stat-num { font-size: 1.3rem; }
}

/* ── HAMBURGUESA ─────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MENÚ MÓVIL ──────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0; right: 0;
  background: rgba(10,10,12,.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,69,0,.2);
  flex-direction: column;
  padding: 8px 0 20px;
  z-index: 998;
  animation: menuSlide .25s ease;
}
.mobile-menu.open { display: flex; }
@keyframes menuSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mob-btn {
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,.05);
  color: #bbb;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 4px;
  padding: 14px 20px;
  text-align: left;
  cursor: pointer;
  transition: color .2s, background .2s;
  width: 100%;
}
.mob-btn:hover { color: var(--fire); background: rgba(255,69,0,.04); }
.mob-btn:last-child { border-bottom: none; }
.mob-cta {
  margin: 10px 16px 0;
  width: calc(100% - 32px);
  background: linear-gradient(135deg, var(--fire), var(--ember));
  color: #000;
  border-radius: 2px;
  border-bottom: none;
  text-align: center;
  padding: 14px 20px;
}
.mob-cta:hover { color: #000; background: linear-gradient(135deg, var(--ember), var(--fire)); }

/* ── GIF DE FONDO HERO ───────────────────────── */
.hero-gif-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}
.hero-gif-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* La opacidad se aplica desde PHP según el valor del Personalizador */
  display: block;
}
.hero-gif-overlay {
  position: absolute;
  inset: 0;
  /* Gradiente que oscurece más en los bordes para que las letras resalten */
  background:
    linear-gradient(to right,  rgba(10,10,12,.85) 0%, rgba(10,10,12,.3) 50%, rgba(10,10,12,.7) 100%),
    linear-gradient(to bottom, rgba(10,10,12,.6)  0%, rgba(10,10,12,0)  50%, rgba(10,10,12,.9) 100%);
}

/* Asegurar que el contenido del hero va por encima del GIF */
.particles-bg, .arc-wrap, .hero-content {
  position: relative;
  z-index: 2;
}