/*
Theme Name: Sill Solutions
Theme URI: https://sillsolutions.com.mx
Author: Sill Solutions
Description: Tema a la medida para Sill Solutions — control de plagas en Tijuana. Diseño moderno con slider panorámico 3D, bilingüe ES/EN, formulario de cotización y WhatsApp. Generado desde el sitio estático.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: sill-solutions
*/

/* ============================================================
   SILL SOLUTIONS — Paleta tomada del logotipo
   ============================================================ */
:root{
  --verde-oscuro:#1a6b2f;
  --verde-medio:#2e9e3f;
  --verde-claro:#7ac943;
  --verde-lima:#a4de5c;
  --verde-negro:#0d3b1a;
  --blanco:#ffffff;
  --gris-claro:#f4f9f2;
  --gris-texto:#40513e;
  --sombra:0 20px 60px rgba(13,59,26,.18);
  --radio:22px;
  --fuente:'Segoe UI',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--fuente);color:var(--gris-texto);background:var(--blanco);overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4{color:var(--verde-negro);line-height:1.15}
section{position:relative}

/* ---------- Utilidades ---------- */
.container{width:min(1200px,92%);margin-inline:auto}
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.95rem 2rem;border-radius:999px;font-weight:700;font-size:1rem;cursor:pointer;border:0;transition:transform .3s,box-shadow .3s}
.btn:hover{transform:translateY(-3px)}
.btn-primario{background:linear-gradient(135deg,var(--verde-medio),var(--verde-claro));color:#fff;box-shadow:0 10px 30px rgba(46,158,63,.4)}
.btn-fantasma{background:rgba(255,255,255,.15);color:#fff;border:2px solid rgba(255,255,255,.6);backdrop-filter:blur(6px)}
.etiqueta{display:inline-block;background:rgba(122,201,67,.15);color:var(--verde-oscuro);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;padding:.45rem 1.1rem;border-radius:999px;margin-bottom:1rem}
.titulo-seccion{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:1rem}
.sub-seccion{font-size:1.08rem;max-width:640px;color:var(--gris-texto)}

/* Aparición al hacer scroll */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

/* ============================================================
   NAVEGACIÓN — vidrio flotante
   ============================================================ */
nav{position:fixed;inset:0 0 auto;z-index:100;transition:background .4s,box-shadow .4s}
nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 4px 30px rgba(13,59,26,.12)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:900;font-size:1.35rem;color:#fff;transition:color .4s}
nav.scrolled .logo{color:var(--verde-negro)}
.logo .marca{background:linear-gradient(135deg,var(--verde-medio),var(--verde-claro));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo img{width:46px;height:46px;object-fit:contain}
.menu{display:flex;gap:1.6rem;list-style:none;align-items:center}
.menu a{color:#fff;font-weight:600;font-size:.95rem;position:relative;transition:color .4s}
nav.scrolled .menu a{color:var(--gris-texto)}
.menu a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:3px;border-radius:3px;background:var(--verde-claro);transition:width .3s}
.menu a:hover::after{width:100%}
.lang-switch{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.5);color:#fff;font-weight:800;padding:.45rem .95rem;border-radius:999px;cursor:pointer;backdrop-filter:blur(6px);transition:.3s}
nav.scrolled .lang-switch{color:var(--verde-oscuro);border-color:var(--verde-medio);background:rgba(122,201,67,.12)}
.hamburguesa{display:none;background:none;border:0;cursor:pointer;width:34px;height:26px;position:relative;z-index:110}
.hamburguesa span{position:absolute;left:0;width:100%;height:3px;border-radius:3px;background:#fff;transition:.35s}
nav.scrolled .hamburguesa span{background:var(--verde-negro)}
.hamburguesa span:nth-child(1){top:0}.hamburguesa span:nth-child(2){top:11px}.hamburguesa span:nth-child(3){top:22px}

/* ============================================================
   HERO — Slider panorámico con profundidad 3D
   ============================================================ */
.hero{position:relative;height:100svh;min-height:640px;overflow:hidden;background:var(--verde-negro)}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;transform:perspective(1200px) rotateY(14deg) scale(1.08);transform-origin:center;transition:opacity 1.2s ease,transform 1.6s cubic-bezier(.22,1,.36,1);pointer-events:none}
.slide.activo{opacity:1;transform:none;pointer-events:auto}
.slide-fondo{position:absolute;inset:-8%;background-size:cover;background-position:center;will-change:transform;animation:panoramica 18s ease-in-out infinite alternate}
@keyframes panoramica{from{transform:translateX(-2.5%) scale(1.06)}to{transform:translateX(2.5%) scale(1.06)}}
.slide-velo{position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,59,26,.88) 0%,rgba(26,107,47,.62) 45%,rgba(13,59,26,.25) 100%)}
.slide .container{position:relative;z-index:2;color:#fff}
.slide h1,.slide .h1{font-size:clamp(2.2rem,5.5vw,4rem);color:#fff;font-weight:900;margin:.6rem 0 1.2rem;max-width:720px;text-wrap:balance}
.slide h1 em,.slide .h1 em{font-style:normal;background:linear-gradient(135deg,var(--verde-claro),var(--verde-lima));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.slide p{font-size:clamp(1rem,1.6vw,1.25rem);max-width:560px;margin-bottom:2rem;color:rgba(255,255,255,.9)}
.slide .acciones{display:flex;gap:1rem;flex-wrap:wrap}
/* animación escalonada del contenido */
.slide .anim{opacity:0;transform:translateY(30px);transition:opacity .9s ease,transform .9s ease}
.slide.activo .anim{opacity:1;transform:none}
.slide.activo .anim:nth-child(2){transition-delay:.15s}
.slide.activo .anim:nth-child(3){transition-delay:.3s}
.slide.activo .anim:nth-child(4){transition-delay:.45s}
/* controles */
.hero-controles{position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);display:flex;gap:.7rem;z-index:5}
.punto{width:38px;height:6px;border-radius:6px;background:rgba(255,255,255,.35);border:0;cursor:pointer;transition:.3s}
.punto.activo{background:var(--verde-claro);width:58px}
/* insignias flotantes 3D */
.flotante{position:absolute;z-index:3;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(10px);border-radius:18px;padding:.9rem 1.3rem;color:#fff;font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:.6rem;animation:flota 6s ease-in-out infinite}
.flotante small{display:block;font-weight:400;opacity:.85}
.f1{right:8%;top:28%;animation-delay:0s}
.f2{right:16%;bottom:26%;animation-delay:1.6s}
@keyframes flota{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-16px) rotate(1.5deg)}}

/* ============================================================
   BARRA DE CONFIANZA
   ============================================================ */
.confianza{background:var(--verde-negro);color:#fff;padding:1.4rem 0}
.confianza .container{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.confianza .item{display:flex;align-items:center;gap:.7rem;font-weight:700;font-size:.95rem}
.confianza .item svg{width:26px;height:26px;flex:none}

/* ============================================================
   ENCABEZADOS DE SECCIÓN con imagen de fondo
   ============================================================ */
.cabecera-seccion{height:300px;display:flex;align-items:center;justify-content:center;text-align:center;background-color:var(--verde-oscuro);background-size:cover;background-position:center;position:relative;color:#fff}
.cabecera-seccion::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(13,59,26,.75),rgba(26,107,47,.65))}
.cabecera-seccion h2{position:relative;color:#fff;font-size:clamp(2rem,4.5vw,3rem);z-index:1}
.cabecera-seccion p{position:relative;z-index:1;color:rgba(255,255,255,.9);margin-top:.5rem;font-size:1.1rem}

/* ============================================================
   NOSOTROS
   ============================================================ */
.nosotros-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding:4.5rem 0}
.tarjeta-valor{background:var(--gris-claro);border-radius:var(--radio);padding:2.2rem;border:1px solid rgba(46,158,63,.15);transition:transform .4s,box-shadow .4s}
.tarjeta-valor:hover{transform:translateY(-8px) rotateX(3deg);box-shadow:var(--sombra)}
.tarjeta-valor .icono{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,var(--verde-medio),var(--verde-claro));display:grid;place-items:center;margin-bottom:1.2rem}
.tarjeta-valor .icono svg{width:30px;height:30px}
.tarjeta-valor h3{margin-bottom:.6rem;font-size:1.25rem}

/* ============================================================
   SERVICIOS — tarjetas con inclinación 3D
   ============================================================ */
.servicios{padding:5rem 0;background:linear-gradient(180deg,var(--blanco),var(--gris-claro))}
.grid-servicios{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}
.tarjeta-servicio{background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:0 10px 40px rgba(13,59,26,.08);transition:transform .45s cubic-bezier(.22,1,.36,1),box-shadow .45s;transform-style:preserve-3d;will-change:transform}
.tarjeta-servicio:hover{box-shadow:var(--sombra)}
.tarjeta-servicio .foto{height:210px;background-color:#dcead6;background-size:cover;background-position:center;position:relative}
.tarjeta-servicio .foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,59,26,.65))}
.tarjeta-servicio .cuerpo{padding:1.8rem}
.tarjeta-servicio h3{font-size:1.35rem;margin-bottom:.7rem}
.tarjeta-servicio ul{list-style:none;margin:.9rem 0 1.4rem}
.tarjeta-servicio li{padding:.32rem 0 .32rem 1.7rem;position:relative;font-size:.95rem}
.tarjeta-servicio li::before{content:"✓";position:absolute;left:0;color:var(--verde-medio);font-weight:900}
.enlace-mas{color:var(--verde-oscuro);font-weight:800;display:inline-flex;align-items:center;gap:.4rem}
.enlace-mas:hover{gap:.7rem}

/* ============================================================
   PRODUCTOS Y EQUIPO
   ============================================================ */
.productos{padding:5rem 0}
.grid-productos{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2.5rem}
.chip-producto{background:#fff;border:2px solid rgba(46,158,63,.18);border-radius:18px;padding:1.6rem;transition:.35s}
.chip-producto:hover{border-color:var(--verde-claro);transform:translateY(-5px);box-shadow:0 14px 34px rgba(46,158,63,.15)}
.chip-producto h4{font-size:1.05rem;margin-bottom:.45rem;display:flex;align-items:center;gap:.5rem}
.chip-producto p{font-size:.9rem}

/* ============================================================
   GALERÍA
   ============================================================ */
.galeria{padding:5rem 0;background:var(--gris-claro)}
.grid-galeria{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-auto-rows:230px;gap:1.2rem;margin-top:2.5rem}
.foto-galeria{border-radius:18px;background-color:#dcead6;background-size:cover;background-position:center;position:relative;overflow:hidden;cursor:pointer;transition:transform .4s}
.foto-seccion{margin:0 0 4.5rem;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra)}
.foto-seccion img{width:100%;display:block}
.foto-galeria:hover{transform:scale(1.03)}
.foto-galeria span{position:absolute;left:0;right:0;bottom:0;padding:2.2rem 1.2rem .9rem;background:linear-gradient(transparent,rgba(13,59,26,.85));color:#fff;font-weight:700;font-size:.9rem}
.foto-galeria:first-child{grid-row:span 2}

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto{padding:5rem 0;background:linear-gradient(135deg,var(--verde-negro),var(--verde-oscuro));color:#fff;overflow:hidden}
.fondo-contacto{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14}
.contacto .container{position:relative;z-index:1}
.contacto h2,.contacto h3{color:#fff}
.grid-contacto{display:grid;grid-template-columns:1fr 1.1fr;gap:3.5rem;margin-top:3rem}
.dato-contacto{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.6rem}
.dato-contacto .icono{width:46px;height:46px;flex:none;border-radius:13px;background:rgba(122,201,67,.2);display:grid;place-items:center}
.dato-contacto .icono svg{width:22px;height:22px}
.dato-contacto strong{display:block;color:var(--verde-lima);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.2rem}
.formulario{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px);border-radius:var(--radio);padding:2.4rem}
.formulario h3{margin-bottom:1.4rem}
.campo{margin-bottom:1.1rem}
.campo label{display:block;font-size:.85rem;font-weight:700;margin-bottom:.35rem;color:rgba(255,255,255,.85)}
.campo input,.campo select,.campo textarea{width:100%;padding:.85rem 1rem;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;font-family:inherit;font-size:.95rem}
.campo select{appearance:none}
.campo select option{color:var(--verde-negro)}
.campo input::placeholder,.campo textarea::placeholder{color:rgba(255,255,255,.5)}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:2px solid var(--verde-claro);border-color:transparent}
.fila-doble{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* ============================================================
   PIE DE PÁGINA
   ============================================================ */
footer{background:var(--verde-negro);color:rgba(255,255,255,.75);padding:3.5rem 0 2rem;border-top:1px solid rgba(255,255,255,.1)}
.grid-footer{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
footer h4{color:#fff;margin-bottom:1rem;font-size:1rem}
footer ul{list-style:none}
footer li{margin-bottom:.55rem;font-size:.92rem}
footer a:hover{color:var(--verde-claro)}
.footer-final{border-top:1px solid rgba(255,255,255,.12);padding-top:1.6rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;font-size:.85rem}

/* ============================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ============================================================ */
.whatsapp-flotante{position:fixed;right:1.4rem;bottom:1.4rem;z-index:99;width:62px;height:62px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);animation:pulso 2.4s infinite}
.whatsapp-flotante svg{width:32px;height:32px}
@keyframes pulso{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 20px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .grid-contacto{grid-template-columns:1fr}
  .grid-footer{grid-template-columns:1fr 1fr}
  .flotante{display:none}
}
@media (max-width:768px){
  .hamburguesa{display:block}
  .menu{position:fixed;inset:0;background:rgba(13,59,26,.97);backdrop-filter:blur(12px);flex-direction:column;justify-content:center;gap:2rem;transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1)}
  .menu.abierto{transform:none}
  .menu a{color:#fff!important;font-size:1.3rem}
  nav.scrolled .menu a{color:#fff}
  .fila-doble{grid-template-columns:1fr}
  .confianza .container{justify-content:center}
}

/* ============================================================
   PÁGINAS INTERIORES (multipágina)
   ============================================================ */
.cabecera-pagina{min-height:380px;display:flex;align-items:flex-end;background-color:var(--verde-oscuro);background-size:cover;background-position:center;position:relative;color:#fff;padding:8rem 0 3rem}
.cabecera-pagina::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(13,59,26,.85),rgba(26,107,47,.55))}
.cabecera-pagina .container{position:relative;z-index:1}
.cabecera-pagina h1{color:#fff;font-size:clamp(2.1rem,4.5vw,3.2rem);margin:.4rem 0 .6rem;max-width:760px}
.cabecera-pagina p{color:rgba(255,255,255,.92);font-size:1.12rem;max-width:640px}
.miga{font-size:.85rem;color:rgba(255,255,255,.75)}
.miga a{color:var(--verde-lima);font-weight:700}
.seccion{padding:4.5rem 0}
.seccion-alt{background:var(--gris-claro)}
.dos-columnas{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:center}
.dos-columnas img{border-radius:var(--radio);box-shadow:var(--sombra);width:100%}
.lista-check{list-style:none;margin:1.2rem 0}
.lista-check li{padding:.45rem 0 .45rem 2rem;position:relative}
.lista-check li::before{content:"✓";position:absolute;left:0;top:.45rem;width:22px;height:22px;border-radius:50%;background:rgba(122,201,67,.18);color:var(--verde-oscuro);font-weight:900;font-size:.8rem;display:grid;place-items:center}
.pasos{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-top:2.5rem}
.paso{background:#fff;border-radius:18px;padding:1.8rem;border:1px solid rgba(46,158,63,.15);position:relative}
.paso .num{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--verde-medio),var(--verde-claro));color:#fff;font-weight:900;font-size:1.2rem;display:grid;place-items:center;margin-bottom:1rem}
.paso h3{font-size:1.1rem;margin-bottom:.4rem}
.paso p{font-size:.92rem}
.cta-banner{background:linear-gradient(120deg,var(--verde-oscuro),var(--verde-medio));border-radius:var(--radio);padding:3rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden}
.cta-banner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:.4rem}
.cta-banner p{color:rgba(255,255,255,.9)}
.grid-articulos{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;margin-top:2.5rem}
.articulo{background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:0 10px 40px rgba(13,59,26,.08);display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s}
.articulo:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.articulo .foto{height:180px;background-color:#dcead6;background-size:cover;background-position:center}
.articulo .cuerpo{padding:1.6rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.articulo .cat{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--verde-medio)}
.articulo h3{font-size:1.15rem;line-height:1.35}
.articulo p{font-size:.92rem;flex:1}
.articulo .pronto{align-self:flex-start;background:rgba(122,201,67,.15);color:var(--verde-oscuro);font-size:.78rem;font-weight:800;padding:.35rem .9rem;border-radius:999px}
.faq{max-width:820px}
.faq details{background:#fff;border:1px solid rgba(46,158,63,.18);border-radius:14px;padding:1.1rem 1.4rem;margin-bottom:.9rem}
.faq summary{font-weight:800;color:var(--verde-negro);cursor:pointer}
.faq p{margin-top:.7rem;font-size:.95rem}
@media (max-width:860px){.dos-columnas{grid-template-columns:1fr}}

/* ============================================================
   ARTÍCULOS DEL BLOG
   ============================================================ */
.contenido-articulo h2{font-size:1.6rem;margin:2.4rem 0 .9rem}
.contenido-articulo h3{font-size:1.2rem;margin:1.6rem 0 .5rem}
.contenido-articulo p{margin-bottom:1rem;line-height:1.75}
.contenido-articulo .lista-check{margin:1rem 0 1.4rem}
.contenido-articulo a{color:var(--verde-oscuro);font-weight:700;text-decoration:underline;text-decoration-color:rgba(122,201,67,.5);text-underline-offset:3px}
.contenido-articulo a:hover{color:var(--verde-medio)}
.contenido-articulo em{color:var(--gris-texto)}