/* ════════════════════════════════════════════════════════════════
   INDUSTRIAS RESIGOM — style.css
   Paleta: Amarillo #f5c842 · Negro #111 · Blanco #fff
   ════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Source+Sans+3:wght@300;400;600;700&display=swap');

:root {
  --negro:       #111111;
  --dorado:      #f5c842;
  --dorado-osc:  #c9a224;
  --gris-suave:  #f4f4f4;
  --gris-borde:  #e8e8e8;
  --blanco:      #ffffff;
  --texto:       #333333;
  --texto-suave: #666666;
  --sombra:      0 4px 20px rgba(0,0,0,.08);
  --sombra-lg:   0 12px 48px rgba(0,0,0,.16);
  --radio:       8px;
  --trans:       .25s ease;
  --azul:        #111111;
  --azul-claro:  #333333;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Source Sans 3',sans-serif;color:var(--texto);background:var(--blanco);line-height:1.65;overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;padding:0;margin:0;}
h1,h2,h3,h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;line-height:1.1;}

/* Labels */
.seccion-label{font-size:.8rem;font-weight:700;color:var(--dorado-osc);letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:.4rem;}
.seccion-label-inv{font-size:.8rem;font-weight:700;color:rgba(245,200,66,.6);letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:.4rem;}
.seccion-titulo{font-size:clamp(1.8rem,4vw,2.8rem);color:var(--negro);position:relative;display:inline-block;margin-bottom:.5rem;}
.seccion-titulo::after{content:'';display:block;width:44px;height:4px;background:var(--dorado);margin-top:.5rem;border-radius:2px;}
.seccion-subtitulo{font-size:1rem;color:var(--texto-suave);max-width:560px;font-weight:300;}

/* Botones */
.btn-primario{display:inline-flex;align-items:center;gap:.5rem;background:var(--dorado);color:var(--negro);font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:1rem;letter-spacing:.06em;padding:.75rem 1.8rem;border-radius:var(--radio);border:2px solid var(--dorado);cursor:pointer;transition:all var(--trans);text-transform:uppercase;}
.btn-primario:hover{background:var(--dorado-osc);border-color:var(--dorado-osc);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,200,66,.35);color:var(--negro);}
.btn-secundario{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--blanco);font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:1rem;letter-spacing:.06em;padding:.73rem 1.8rem;border-radius:var(--radio);border:2px solid rgba(255,255,255,.5);cursor:pointer;transition:all var(--trans);text-transform:uppercase;}
.btn-secundario:hover{background:rgba(255,255,255,.12);border-color:var(--blanco);transform:translateY(-2px);color:var(--blanco);}
.btn-outline{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--negro);font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:.95rem;letter-spacing:.05em;padding:.6rem 1.4rem;border-radius:var(--radio);border:2px solid var(--negro);cursor:pointer;transition:all var(--trans);text-transform:uppercase;}
.btn-outline:hover{background:var(--negro);color:var(--dorado);transform:translateY(-2px);}

/* Navbar */
.navbar-resigom{background:var(--negro)!important;padding:.6rem 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3);transition:padding var(--trans);}
.navbar-resigom .navbar-brand img{height:46px;}
.navbar-resigom .nav-link{color:rgba(255,255,255,.75)!important;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:1rem;letter-spacing:.06em;text-transform:uppercase;padding:.4rem .9rem!important;position:relative;transition:color var(--trans);}
.navbar-resigom .nav-link::after{content:'';position:absolute;bottom:0;left:.9rem;right:.9rem;height:2px;background:var(--dorado);transform:scaleX(0);transition:transform var(--trans);transform-origin:center;}
.navbar-resigom .nav-link:hover,.navbar-resigom .nav-link.active{color:var(--dorado)!important;}
.navbar-resigom .nav-link:hover::after,.navbar-resigom .nav-link.active::after{transform:scaleX(1);}
.navbar-resigom .nav-cta{background:var(--dorado)!important;color:var(--negro)!important;border-radius:var(--radio);padding:.4rem 1.2rem!important;font-weight:700;}
.navbar-resigom .nav-cta:hover{background:var(--dorado-osc)!important;}
.navbar-resigom .nav-cta::after{display:none;}
.navbar-toggler{border-color:rgba(255,255,255,.3);}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");}

/* Hero */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--negro);}
.hero-bg{position:absolute;inset:0;background-image:url('../images/planta-3.png');background-size:cover;background-position:center;filter:brightness(.22) saturate(.5);z-index:0;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(17,17,17,.95) 0%,rgba(17,17,17,.7) 55%,rgba(17,17,17,.4) 100%);z-index:1;}
.hero-content{position:relative;z-index:3;padding:4rem 0;}
.min-vh-hero{min-height:80vh;}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(245,200,66,.12);border:1px solid rgba(245,200,66,.4);color:var(--dorado);font-family:'Barlow Condensed',sans-serif;font-size:.88rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:.3rem 1rem;border-radius:100px;margin-bottom:1.5rem;}
.hero h1{font-size:clamp(2.8rem,7vw,5rem);color:var(--blanco);line-height:1.05;margin-bottom:1.2rem;}
.hero h1 span{color:var(--dorado);}
.hero-desc{font-size:clamp(1rem,2vw,1.15rem);color:rgba(255,255,255,.65);max-width:520px;margin-bottom:2rem;font-weight:300;}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap;}
.hero-scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:.4rem;color:rgba(255,255,255,.4);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;}
.hero-scroll-line{width:1px;height:36px;background:linear-gradient(to bottom,rgba(255,255,255,.4),transparent);animation:scrollPulse 1.8s ease-in-out infinite;}
@keyframes scrollPulse{0%,100%{opacity:.3;transform:scaleY(1);}50%{opacity:1;transform:scaleY(1.2);}}

/* Secciones */
.seccion{padding:5rem 0;}
.seccion-gris{background:var(--gris-suave);}
.seccion-negra{background:var(--negro);}

/* Ventajas */
.ventaja-item{display:flex;align-items:flex-start;gap:1.1rem;padding:1.5rem;background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);height:100%;border-top:3px solid var(--dorado);transition:transform var(--trans);}
.ventaja-item:hover{transform:translateY(-4px);}
.ventaja-icono{width:48px;height:48px;min-width:48px;background:var(--negro);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--dorado);}
.ventaja-titulo{font-family:'Barlow Condensed',sans-serif;font-size:1.15rem;color:var(--negro);font-weight:700;margin-bottom:.3rem;}
.ventaja-desc{font-size:.9rem;color:var(--texto-suave);margin:0;}

/* Galería */
.galeria-planta{display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-rows:220px 220px;gap:8px;border-radius:var(--radio);overflow:hidden;}
.galeria-planta img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .4s ease;}
.galeria-planta img:hover{transform:scale(1.04);filter:brightness(1.1);}
.galeria-planta .galeria-grande{grid-row:span 2;}

/* CTA */
.cta-section{background:var(--negro);padding:5rem 0;position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;top:-40%;right:-5%;width:400px;height:400px;border-radius:50%;background:rgba(245,200,66,.05);}

/* Nosotros */
.valor-card{text-align:center;padding:2rem 1.5rem;background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra);border-top:4px solid var(--dorado);transition:transform var(--trans);}
.valor-card:hover{transform:translateY(-4px);}
.valor-icono{font-size:2.2rem;margin-bottom:1rem;}
.valor-titulo{font-family:'Barlow Condensed',sans-serif;font-size:1.3rem;color:var(--negro);font-weight:700;margin-bottom:.5rem;}

/* Hero interior */
.producto-hero{background:var(--negro);padding:5rem 0 4rem;position:relative;overflow:hidden;}
.producto-hero::after{content:'';position:absolute;right:-5%;top:-30%;width:350px;height:350px;border-radius:50%;background:rgba(245,200,66,.06);}

/* Productos cuadrícula */
.prod-card-grid{background:var(--blanco);border-radius:var(--radio);border:1px solid var(--gris-borde);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sombra);transition:transform var(--trans),box-shadow var(--trans);}
.prod-card-grid:hover{transform:translateY(-5px);box-shadow:var(--sombra-lg);}
.prod-foto-grid{aspect-ratio:4/3;background:var(--gris-suave);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;position:relative;border-bottom:1px solid var(--gris-borde);overflow:hidden;}
.prod-foto-grid img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.prod-foto-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;color:#ccc;}
.prod-foto-placeholder i{font-size:2.2rem;}
.prod-foto-placeholder span{font-size:.78rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;}
.prod-foto-placeholder small{font-size:.72rem;color:#ddd;}
.prod-cat-badge{position:absolute;top:10px;left:10px;background:var(--dorado);color:var(--negro);font-size:.72rem;font-weight:700;padding:2px 9px;border-radius:100px;z-index:1;}
.prod-num-badge{position:absolute;top:10px;right:10px;width:24px;height:24px;background:var(--negro);color:var(--dorado);font-size:.78rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:1;}
.prod-body-grid{padding:1.4rem;flex:1;display:flex;flex-direction:column;}
.prod-nombre-grid{font-family:'Barlow Condensed',sans-serif;font-size:1.25rem;font-weight:700;color:var(--negro);margin-bottom:.5rem;}
.prod-desc-grid{font-size:.9rem;color:var(--texto-suave);line-height:1.6;flex:1;margin-bottom:.8rem;}
.prod-tags{display:flex;flex-wrap:wrap;gap:.35rem;}
.aplicacion-badge{display:inline-block;background:rgba(17,17,17,.07);color:var(--negro);font-weight:600;font-size:.78rem;padding:.25rem .75rem;border-radius:100px;border:1px solid rgba(17,17,17,.12);}
.filtro-btn{font-size:.85rem;font-weight:600;padding:.4rem 1rem;border-radius:100px;border:1.5px solid var(--gris-borde);color:var(--texto-suave);cursor:pointer;background:var(--blanco);transition:all var(--trans);}
.filtro-btn:hover{border-color:var(--negro);color:var(--negro);}
.filtro-btn.active{background:var(--negro);color:var(--dorado);border-color:var(--negro);}

/* Certificados públicos */
.cert-card-pub{background:var(--blanco);border-radius:var(--radio);border:1px solid var(--gris-borde);overflow:hidden;box-shadow:var(--sombra);}
.cert-prev-pub{height:110px;background:var(--gris-suave);display:flex;align-items:center;justify-content:center;font-size:2.8rem;color:#ccc;position:relative;border-bottom:1px solid var(--gris-borde);overflow:hidden;}
.cert-prev-pub img{width:100%;height:100%;object-fit:cover;}
.cert-type-badge{position:absolute;bottom:6px;right:6px;background:var(--negro);color:var(--dorado);font-size:.72rem;font-weight:700;padding:2px 7px;border-radius:3px;}
.cert-info-pub{padding:1rem;}
.cert-nombre-pub{font-size:.95rem;font-weight:600;color:var(--negro);margin-bottom:.2rem;}
.cert-desc-pub{font-size:.82rem;color:var(--texto-suave);}
.cert-btn-ver{display:inline-flex;align-items:center;justify-content:center;gap:.3rem;font-size:.8rem;font-weight:600;background:var(--negro);color:var(--dorado);padding:.4rem .8rem;border-radius:4px;text-decoration:none;}
.cert-btn-ver:hover{background:#333;color:var(--dorado);}
.cert-btn-dl{display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;background:var(--dorado);color:var(--negro);padding:.4rem .7rem;border-radius:4px;text-decoration:none;}
.cert-empty{text-align:center;padding:3rem;background:var(--blanco);border-radius:var(--radio);border:2px dashed var(--gris-borde);color:#bbb;}
.cert-empty i{font-size:3rem;display:block;margin-bottom:.8rem;}
.cert-nota{background:rgba(245,200,66,.08);border:1px solid rgba(245,200,66,.3);border-radius:var(--radio);padding:1.2rem 1.5rem;display:flex;align-items:flex-start;gap:1rem;}

/* Contacto */
.contacto-form-wrap{background:var(--blanco);border-radius:var(--radio);box-shadow:var(--sombra-lg);padding:2.5rem;border:1px solid var(--gris-borde);}
.form-label{font-weight:600;color:var(--negro);font-size:.88rem;letter-spacing:.03em;margin-bottom:.35rem;}
.form-control,.form-select{border:1.5px solid #d8d8d8;border-radius:var(--radio);padding:.7rem 1rem;font-size:.95rem;font-family:'Source Sans 3',sans-serif;color:var(--texto);transition:border-color var(--trans),box-shadow var(--trans);}
.form-control:focus,.form-select:focus{border-color:var(--dorado);box-shadow:0 0 0 3px rgba(245,200,66,.2);outline:none;}
.info-contacto-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem 1.2rem;background:rgba(255,255,255,.06);border-radius:var(--radio);margin-bottom:.8rem;border:1px solid rgba(255,255,255,.1);}
.info-contacto-icono{width:40px;height:40px;min-width:40px;background:var(--dorado);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--negro);}
.info-contacto-titulo{font-family:'Barlow Condensed',sans-serif;font-size:.85rem;font-weight:700;color:var(--dorado);letter-spacing:.06em;text-transform:uppercase;margin-bottom:.1rem;}
.info-contacto-dato{font-size:.9rem;color:rgba(255,255,255,.75);margin:0;}
.btn-whatsapp{display:inline-flex;align-items:center;gap:.6rem;background:#25D366;color:var(--blanco);font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:1.05rem;letter-spacing:.05em;text-transform:uppercase;padding:.85rem 2rem;border-radius:var(--radio);border:none;cursor:pointer;transition:all var(--trans);width:100%;justify-content:center;}
.btn-whatsapp:hover{background:#128C7E;color:var(--blanco);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,211,102,.3);}
.mapa-wrap{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);}
.mapa-wrap iframe{width:100%;height:280px;border:none;display:block;}

/* Flash */
.flash-success{background:#d1fadf;border:1px solid #6fcf97;color:#1a6636;padding:1rem 1.4rem;border-radius:var(--radio);margin-bottom:1.2rem;display:flex;align-items:center;gap:.6rem;}
.flash-error{background:#fde8e8;border:1px solid #f5aeae;color:#7b1f1f;padding:1rem 1.4rem;border-radius:var(--radio);margin-bottom:1.2rem;display:flex;align-items:center;gap:.6rem;}

/* Footer */
.footer{background:var(--negro);color:rgba(255,255,255,.6);padding:4rem 0 1.5rem;}
.footer-logo-img{height:42px;}
.footer-desc{font-size:.88rem;max-width:300px;line-height:1.75;color:rgba(255,255,255,.45);}
.footer-titulo{font-family:'Barlow Condensed',sans-serif;font-size:1rem;font-weight:700;color:var(--dorado);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem;}
.footer-link{display:block;color:rgba(255,255,255,.5);font-size:.88rem;margin-bottom:.5rem;transition:color var(--trans),padding-left var(--trans);}
.footer-link:hover{color:var(--dorado);padding-left:5px;}
.btn-whatsapp-footer{display:inline-flex;align-items:center;gap:.5rem;background:#25D366;color:var(--blanco);font-size:.88rem;font-weight:600;padding:.5rem 1.2rem;border-radius:var(--radio);transition:background var(--trans);}
.btn-whatsapp-footer:hover{background:#128C7E;color:var(--blanco);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);margin-top:2.5rem;padding-top:1.2rem;font-size:.8rem;color:rgba(255,255,255,.3);}

/* Fade-up */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease;}
.fade-up.visible{opacity:1;transform:translateY(0);}

/* Responsive */
@media(max-width:992px){
  .galeria-planta{grid-template-columns:1fr 1fr;grid-template-rows:auto;}
  .galeria-planta .galeria-grande{grid-row:span 1;}
}
@media(max-width:768px){
  .hero{min-height:100svh;}
  .seccion{padding:3.5rem 0;}
  .hero-btns{flex-direction:column;}
  .btn-primario,.btn-secundario{justify-content:center;}
  .contacto-form-wrap{padding:1.5rem;}
  .galeria-planta{grid-template-columns:1fr;}
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE MÓVIL — Ajustes adicionales
   ════════════════════════════════════════════════════════════════ */

/* Tablets (max 992px) */
@media (max-width: 992px) {
  .hero { min-height: 85vh; }
  .hero h1 { font-size: 2.8rem; }
  .galeria-planta {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 180px;
  }
  .galeria-planta .galeria-grande { grid-row: span 1; }
  .contacto-form-wrap { padding: 2rem; }
  .producto-hero { padding: 3.5rem 0 3rem; }
}

/* Móvil grande (max 768px) */
@media (max-width: 768px) {
  .hero { min-height: 100svh; padding-bottom: 4rem; }
  .hero h1 { font-size: 2.4rem; }
  .hero-desc { font-size: .95rem; }
  .hero-btns { flex-direction: column; gap: .8rem; }
  .btn-primario, .btn-secundario { justify-content: center; width: 100%; }
  .seccion { padding: 3rem 0; }
  .seccion-titulo { font-size: 1.8rem; }
  .contacto-form-wrap { padding: 1.4rem; }
  .galeria-planta {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 150px 150px;
    gap: 6px;
  }
  .galeria-planta .galeria-grande { grid-row: span 1; }
  .ventaja-item { flex-direction: column; gap: .8rem; }
  .valor-card { padding: 1.5rem 1rem; }
  .prod-card-grid { margin-bottom: .5rem; }
  /* Productos: 1 columna en móvil */
  .prod-body-grid { padding: 1rem; }
  .prod-nombre-grid { font-size: 1.1rem; }
  /* Certificados: 2 columnas en móvil */
  .cert-card-pub { margin-bottom: .5rem; }
  /* Contacto: apilado en móvil */
  .info-contacto-item { padding: .8rem; }
  .mapa-wrap iframe { height: 220px; }
  /* Footer */
  .footer { padding: 2.5rem 0 1rem; }
  .footer-desc { max-width: 100%; }
}

/* Móvil pequeño (max 480px) */
@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-badge { font-size: .78rem; }
  .seccion-titulo { font-size: 1.6rem; }
  .navbar-resigom .navbar-brand img { height: 38px; }
  .galeria-planta {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .galeria-planta img { height: 200px; }
  .galeria-planta .galeria-grande { grid-row: span 1; }
  .cta-section { padding: 3rem 0; }
  .producto-hero { padding: 2.5rem 0 2rem; }
  .contacto-form-wrap { padding: 1.2rem; }
  .footer-bottom { flex-direction: column; gap: .3rem; text-align: center; }
}