/* ============================================================
   ERBAU V3 — Hoja de estilos principal
   Paleta corporativa extraída del logotipo: negro, blanco y rojo.
   ============================================================ */

/* RESET CSS: normaliza el renderizado entre navegadores. */
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body,h1,h2,h3,p,ul{margin:0}ul{padding:0;list-style:none}img,picture{display:block;max-width:100%}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}

:root{
  /* Paleta corporativa ERBAU */
  --erbau-black:#080808;
  --erbau-carbon:#111214;
  --erbau-graphite:#1c1e21;
  --erbau-white:#fff;
  --erbau-soft:#f3f3f3;
  --erbau-muted:#b8b8b8;
  --erbau-red:#e00000;
  --erbau-red-dark:#a80000;
  --radius:22px;
  --shadow:0 24px 70px rgba(0,0,0,.20);
  --max:1240px;
}
body{font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--erbau-black);color:var(--erbau-white);line-height:1.6;overflow-x:hidden}
body.menu-open{overflow:hidden}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.eyebrow{font-size:.76rem;letter-spacing:.22em;text-transform:uppercase;font-weight:800;color:var(--erbau-red)}.section{padding:110px 0;position:relative}.section-title{font-size:clamp(2.2rem,5vw,4.8rem);line-height:.95;letter-spacing:-.05em;max-width:900px}.lead{color:#d1d1d1;font-size:1.08rem;max-width:720px}.muted{color:#727272}
/* Navegación */
.header{position:fixed;inset:0 0 auto;z-index:50;border-bottom:1px solid rgba(255,255,255,.09);background:rgba(8,8,8,.68);backdrop-filter:blur(18px)}.nav{height:78px;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;margin-right:auto;line-height:0}.brand img{display:block;width:auto;height:58px;max-width:190px;object-fit:contain}.nav-links{display:flex;gap:28px;font-size:.8rem;text-transform:uppercase;font-weight:700}.nav-links a{position:relative}.nav-links a::after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;background:var(--erbau-red);transition:.3s}.nav-links a:hover::after{width:100%}.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.25);font-weight:800;font-size:.82rem;text-transform:uppercase;transition:.25s}.btn:hover{transform:translateY(-3px);background:#fff;color:#000}.btn-red{background:var(--erbau-red);border-color:var(--erbau-red);color:#fff}.btn-red:hover{background:#fff;color:#000;border-color:#fff}
/* Hero */
.hero{min-height:100svh;display:grid;align-items:end;position:relative;isolation:isolate;padding:140px 0 80px;background:linear-gradient(90deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.62) 48%,rgba(0,0,0,.28)),url('../img/concepto-v3.png') center/cover no-repeat;background-attachment:fixed}.hero::after{content:"";position:absolute;z-index:-1;inset:auto 0 0;height:45%;background:linear-gradient(transparent,#080808)}.hero-copy{max-width:920px}.hero h1{font-size:clamp(4rem,10vw,9rem);line-height:.78;letter-spacing:-.075em;text-transform:uppercase;margin:18px 0 30px}.hero h1 span{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.65)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);max-width:720px;margin-top:70px;border-top:1px solid rgba(255,255,255,.2);padding-top:22px}.stat strong{display:block;font-size:1.5rem}.stat span{font-size:.75rem;color:#aaa;text-transform:uppercase;letter-spacing:.12em}
/* Nosotros */
.about{background:var(--erbau-soft);color:#111}.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.about-copy p{margin-top:20px;color:#454545}.team{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.person{border-radius:var(--radius);overflow:hidden;position:relative;min-height:540px;background:#111;box-shadow:var(--shadow)}.person img{width:100%;height:100%;object-fit:cover}.person::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.94))}.person-info{position:absolute;z-index:2;inset:auto 26px 28px;color:#fff}.person-info h3{font-size:1.7rem}.person-info p{font-size:.92rem;color:#ddd;margin-top:8px}.person.jaime{background:linear-gradient(135deg,#222,#090909);padding:34px;display:flex;align-items:flex-end}.person.jaime::after{display:none}.person.jaime .person-info{position:relative;inset:auto}
/* Servicios */
.services{background:#0b0b0c}.services-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:48px}.service-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.service-card{grid-column:span 4;min-height:320px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:linear-gradient(145deg,#1d1e20,#0e0e0f);transition:.35s}.service-card:nth-child(1),.service-card:nth-child(4){grid-column:span 8}.service-card:nth-child(5),.service-card:nth-child(6){grid-column:span 6}.service-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(224,0,0,.22),transparent 35%);transition:.4s}.service-card:hover{transform:translateY(-9px);border-color:rgba(224,0,0,.7)}.service-card:hover::before{transform:scale(1.25)}.service-number{position:absolute;top:16px;right:20px;font-size:3.35rem;font-weight:900;color:rgba(255,255,255,.055)}.service-card h3{font-size:1.48rem;line-height:1.05;position:relative}.service-card p{color:#aaa;margin:9px 0;position:relative}.service-card ul{font-style:italic;color:#ddd;font-size:.9rem;position:relative}.service-card li::before{content:"— ";color:var(--erbau-red)}
/* Proyectos */
.projects{background:#f4f4f4;color:#111}.projects-intro{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-bottom:50px}.projects-intro .lead{color:#555}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{min-height:430px;border-radius:var(--radius);overflow:hidden;position:relative;background:#171717;color:#fff;box-shadow:var(--shadow);transition:.35s}.project-card:hover{transform:translateY(-8px)}.project-visual{position:absolute;inset:0;background:linear-gradient(135deg,#3a3a3a,#111);transform:scale(1.01);transition:.5s}.project-card:hover .project-visual{transform:scale(1.07)}.project-visual::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,transparent 0 40px,rgba(255,255,255,.035) 41px 42px)}.project-info{position:absolute;z-index:2;inset:auto 24px 24px}.project-info::before{content:"";position:absolute;z-index:-1;inset:-70px -24px -24px;background:linear-gradient(transparent,rgba(0,0,0,.95))}.project-info small{color:#ff5858;text-transform:uppercase;font-weight:800}.project-info h3{font-size:1.35rem;line-height:1.1;margin:8px 0}.project-info p{font-size:.88rem;color:#d4d4d4}.slider-dots{display:flex;gap:6px;margin-top:15px}.slider-dots i{width:24px;height:3px;background:#555}.slider-dots i.active{background:var(--erbau-red)}
/* Contacto */
.contact{background:linear-gradient(130deg,#080808,#171719)}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.contact-data{margin-top:32px;color:#ccc}.contact-data a{display:block;margin:8px 0}.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{width:100%;border:1px solid #383838;background:#111;color:#fff;border-radius:12px;padding:16px;outline:none}.field:focus{border-color:var(--erbau-red)}textarea.field{grid-column:1/-1;min-height:150px;resize:vertical}.form .btn{grid-column:1/-1;border-radius:12px}.honeypot{position:absolute;left:-9999px}
/* Footer / mapa */
.map{height:390px;background:#202020}.map iframe{width:100%;height:100%;border:0;filter:grayscale(1) contrast(1.1)}.footer{background:#050505;padding:35px 0;color:#888}.footer-row{display:flex;justify-content:space-between;gap:30px;align-items:center;font-size:.82rem}
/* WhatsApp */
.wa{position:fixed;right:24px;bottom:24px;z-index:60}.wa-main{width:62px;height:62px;border-radius:50%;border:0;background:#20c864;color:#fff;font-weight:900;box-shadow:0 10px 35px rgba(32,200,100,.35);cursor:pointer;animation:pulse 2s infinite}.wa-menu{position:absolute;right:0;bottom:75px;width:250px;background:#111;border:1px solid #333;border-radius:18px;padding:10px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s}.wa.open .wa-menu{opacity:1;visibility:visible;transform:none}.wa-menu a{display:block;padding:12px;border-radius:10px;font-size:.88rem}.wa-menu a:hover{background:#222}.wa-menu strong{display:block;padding:10px;color:#fff}@keyframes pulse{50%{transform:scale(1.08);box-shadow:0 0 0 14px rgba(32,200,100,0)}}
/* Reveal progresivo: JS agrega .visible. */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.nav-links,.nav>.btn{display:none}.menu-btn{display:block}.nav-links.open{display:flex;position:fixed;inset:78px 0 auto;background:#080808;padding:30px;flex-direction:column}.hero{background-attachment:scroll}.about-grid,.contact-grid,.projects-intro{grid-template-columns:1fr}.team{grid-template-columns:1fr}.service-card,.service-card:nth-child(1),.service-card:nth-child(4){grid-column:span 12}.project-grid{grid-template-columns:1fr 1fr}.services-head{display:block}.services-head .lead{margin-top:20px}}@media(max-width:620px){.container{width:min(calc(100% - 28px),var(--max))}.section{padding:78px 0}.hero h1{font-size:clamp(3.4rem,18vw,6rem)}.hero-stats{grid-template-columns:1fr;gap:16px}.project-grid,.form{grid-template-columns:1fr}.field,.form .btn{grid-column:1}.person{min-height:480px}.footer-row{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ERBAU V4 — ajuste responsive del logo oficial */
@media(max-width:620px){.brand img{height:48px;max-width:158px}}

/* ============================================================
   ERBAU V5 — hCaptcha / Web3Forms
   Mantiene el captcha alineado con el formulario responsive.
   ============================================================ */
.captcha-container {
  width: 100%;
  overflow: hidden;
  min-height: 78px;
  display: flex;
  align-items: center;
}

@media (max-width: 380px) {
  .captcha-container {
    transform-origin: left top;
  }
}


/* ============================================================
   ERBAU V6 — Servicios
   Cards más compactas y cierre de grilla al 100%.
   Las tarjetas 05 y 06 ocupan 6 columnas cada una (50% + 50%),
   eliminando el espacio vacío al final de la sección.
   ============================================================ */
@media (min-width: 901px) {
  .service-card:nth-child(5),
  .service-card:nth-child(6) {
    grid-column: span 6;
  }
}


/* ============================================================
   ERBAU V7 — IMÁGENES TIPO EN CARDS DE PROYECTOS
   Cada imagen ocupa toda la superficie visual de la card.
   Para usar fotografías reales, reemplazar el JPG correspondiente
   dentro de assets/img/proyectos/ sin modificar el HTML.
   ============================================================ */
.project-visual img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
}
.project-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.04) 28%,rgba(0,0,0,.78) 100%);
  pointer-events:none;
}

/* ============================================================
   ERBAU V8 — WHATSAPP MODERNO
   Interfaz previa al envío, icono local y opciones tipo chat.
   ============================================================ */
.wa{right:26px;bottom:26px}.wa-main{width:auto;height:62px;min-width:62px;padding:0 19px;border-radius:999px;display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,#25d366,#16b957);box-shadow:0 16px 45px rgba(20,190,88,.32),inset 0 1px rgba(255,255,255,.22);transition:transform .25s ease,box-shadow .25s ease}.wa-main:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 20px 55px rgba(20,190,88,.42)}.wa-main img{width:31px;height:31px}.wa-main__label{font-size:.78rem;letter-spacing:.04em}.wa-menu{right:0;bottom:78px;width:min(390px,calc(100vw - 32px));padding:0;border-radius:24px;background:rgba(15,16,17,.97);border:1px solid rgba(255,255,255,.11);overflow:hidden;box-shadow:0 28px 80px rgba(0,0,0,.48);backdrop-filter:blur(18px);transform:translateY(18px) scale(.97);transform-origin:bottom right}.wa.open .wa-menu{transform:translateY(0) scale(1)}.wa-menu__header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 15px;background:linear-gradient(135deg,rgba(37,211,102,.17),rgba(255,255,255,.025))}.wa-menu__brand{display:flex;align-items:center;gap:12px}.wa-menu__logo{width:42px;height:42px;border-radius:14px;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.22)}.wa-menu__logo img{width:25px;height:25px}.wa-menu__brand small{display:block;color:#8f9892;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}.wa-menu__brand strong{display:block;padding:0;margin-top:2px;font-size:1rem}.wa-close{width:34px;height:34px;border:0;border-radius:50%;background:rgba(255,255,255,.07);color:#fff;font-size:1.35rem;cursor:pointer;transition:.2s}.wa-close:hover{background:rgba(255,255,255,.14);transform:rotate(8deg)}.wa-menu__intro{padding:16px 20px 8px;color:#aeb4b0;font-size:.82rem;line-height:1.5}.wa-options{padding:8px 12px 12px;display:grid;gap:8px}.wa-menu .wa-option{display:grid;grid-template-columns:44px 1fr 16px;align-items:center;gap:11px;padding:13px;border:1px solid rgba(255,255,255,.075);border-radius:16px;background:rgba(255,255,255,.035);transition:.22s}.wa-menu .wa-option:hover{background:rgba(37,211,102,.09);border-color:rgba(37,211,102,.35);transform:translateX(-3px)}.wa-option__icon{width:42px;height:42px;border-radius:13px;background:#202322;display:grid;place-items:center;font-size:1.15rem}.wa-option span strong{display:block;padding:0;font-size:.9rem}.wa-option span small{display:block;color:#8f9692;font-size:.74rem;margin-top:2px;line-height:1.35}.wa-option>b{color:#25d366;font-size:1.4rem;font-weight:400}.wa-menu__footer{padding:12px 20px 16px;border-top:1px solid rgba(255,255,255,.07);color:#7f8782;font-size:.72rem;display:flex;align-items:center;gap:7px}.wa-online{width:7px;height:7px;border-radius:50%;background:#25d366;box-shadow:0 0 0 4px rgba(37,211,102,.1)}
@media(max-width:620px){.wa{right:16px;bottom:16px}.wa-main{width:58px;height:58px;min-width:58px;padding:0}.wa-main__label{display:none}.wa-main img{width:30px;height:30px}.wa-menu{bottom:70px}.wa-menu__intro{font-size:.79rem}}


/* ============================================================
   ERBAU V9 — RESPONSIVE SERVICIOS EN SMARTPHONE
   En escritorio las cards 05 y 06 pueden compartir la fila.
   En pantallas pequeñas TODAS las cards pasan a ocupar el 100%
   del ancho disponible, incluida la 05 y la 06.
   ============================================================ */
@media (max-width: 767px) {

  /* La grilla de servicios queda en una sola columna. */
  .services-grid,
  .services__grid,
  .service-grid {
    grid-template-columns: 1fr !important;
  }

  /* Evita que cualquier regla de escritorio deje 05 y 06 al 50%. */
  .service-card,
  .service-card:nth-child(5),
  .service-card:nth-child(6),
  .services-grid > *,
  .services__grid > *,
  .service-grid > * {
    width: 100% !important;
    max-width: 100% !important;
    flex: 0 0 100% !important;
    grid-column: 1 / -1 !important;
  }

  /* Ajuste visual para móvil. */
  .service-card {
    min-height: 280px;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}


/* ============================================================
   ERBAU V10 — HERO RESPONSIVE / SMARTPHONE
   Mejora la lectura de "Construimos con visión" en pantallas pequeñas.
   El título deja de depender de tamaños/posiciones de escritorio:
   se limita su ancho, escala de forma fluida y conserva contraste.
   ============================================================ */
@media (max-width: 767px) {

  .hero h1,
  .hero-title,
  .hero__title,
  .hero-content h1,
  .hero__content h1 {
    display: block !important;
    width: min(100%, 560px) !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 0 18px 0 !important;
    padding: 0 !important;

    /* Tamaño fluido: evita que las palabras salgan de la pantalla. */
    font-size: clamp(2.65rem, 13vw, 4.35rem) !important;
    line-height: 0.92 !important;
    letter-spacing: -0.055em !important;

    /* Permite cortes seguros sin ocultar el texto. */
    white-space: normal !important;
    overflow: visible !important;
    overflow-wrap: normal !important;
    word-break: normal !important;

    /* Asegura lectura sobre la fotografía del hero. */
    position: relative !important;
    z-index: 3 !important;
    color: #ffffff !important;
    text-shadow: 0 3px 22px rgba(0, 0, 0, 0.62) !important;
  }

  /* El contenido del hero aprovecha mejor el ancho del teléfono. */
  .hero-content,
  .hero__content {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: clamp(20px, 6vw, 30px) !important;
    padding-right: clamp(20px, 6vw, 30px) !important;
    box-sizing: border-box !important;
  }
}

/* Teléfonos especialmente angostos. */
@media (max-width: 390px) {
  .hero h1,
  .hero-title,
  .hero__title,
  .hero-content h1,
  .hero__content h1 {
    font-size: clamp(2.35rem, 12.5vw, 3.25rem) !important;
    line-height: 0.94 !important;
    letter-spacing: -0.045em !important;
  }
}


/* ============================================================
   ERBAU V11 | Presentación corporativa centrada en el footer
   Selectores específicos para no alterar otras secciones.
   ============================================================ */
.footer-presentacion {width:100%;padding:46px 20px;background:#111;box-sizing:border-box;border-top:1px solid #343434;}
.footer-presentacion__contenido {max-width:900px;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;}
.footer-presentacion__icono {width:60px;height:65px;display:flex;align-items:center;justify-content:center;background:#252525;border:1px solid #444;border-radius:10px;color:#e00025;font-size:18px;font-weight:800;}
.footer-presentacion__info {flex:0 1 auto;width:100%;max-width:650px;text-align:center;}
.footer-presentacion__info h2 {color:#fff;font-size:clamp(1.2rem,3vw,1.5rem);margin:0 0 10px;font-weight:700;}
.footer-presentacion__info p {color:#b9b9b9;font-size:14px;line-height:1.7;margin:0;}
.footer-presentacion__acciones {display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;width:100%;}
.footer-presentacion__btn {display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;min-height:46px;box-sizing:border-box;border-radius:7px;font-size:14px;font-weight:600;text-decoration:none;transition:background .25s ease,transform .25s ease,box-shadow .25s ease;}
.footer-presentacion__btn--ver {background:transparent;border:1px solid #777;color:#fff;}
.footer-presentacion__btn--ver:hover {background:#292929;border-color:#fff;transform:translateY(-2px);}
.footer-presentacion__btn--descargar {background:#d00022;border:1px solid #d00022;color:#fff;}
.footer-presentacion__btn--descargar:hover {background:#a9001b;box-shadow:0 5px 18px rgba(208,0,34,.3);transform:translateY(-2px);}
.footer-presentacion__btn:focus-visible {outline:2px solid #fff;outline-offset:4px;}
.footer-row--v11 {display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
@media (max-width:600px) {.footer-presentacion {padding:36px 18px;} .footer-presentacion__acciones {flex-direction:column;} .footer-presentacion__btn {width:100%;max-width:320px;} .footer-row--v11 {justify-content:center;text-align:center;}}
@media (prefers-reduced-motion:reduce) {.footer-presentacion__btn {transition:none;}}



/* ==========================================
   ERBAU V11 - CORRECCIÓN FOOTER
   Presentación corporativa centrada
========================================== */

.footer-presentacion {
    width: 100%;
    background: #080808;
    padding: 45px 20px;
    box-sizing: border-box;
}

.footer-presentacion__contenido {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    max-width: 1100px;
    margin: 0 auto;
    gap: 18px;
}

.footer-presentacion__icono {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 65px;
    margin: 0 auto;
    background: #252525;
    border-radius: 10px;
}

.footer-presentacion__icono span {
    color: #e00025;
    font-size: 18px;
    font-weight: 800;
}

.footer-presentacion__info {
    flex: 0 1 auto !important;
    width: 100%;
    max-width: 650px;
    text-align: center;
}

.footer-presentacion__info h3 {
    color: #ffffff;
    font-size: 22px;
    margin: 0 0 10px;
}

.footer-presentacion__info p {
    color: #aaaaaa;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.footer-presentacion__acciones {
    display: flex !important;
    align-items: center;
    justify-content: center !important;
    flex-wrap: wrap;
    gap: 14px;
    width: 100%;
}

.footer-presentacion__btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none !important;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-presentacion .btn-ver {
    background: transparent;
    border: 1px solid #777777;
    color: #ffffff;
}

.footer-presentacion .btn-descargar {
    background: #d00022;
    border: 1px solid #d00022;
    color: #ffffff;
}

.footer-presentacion__btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.15);
}

/* Adaptación a smartphones */
@media (max-width: 600px) {
    .footer-presentacion__acciones {
        flex-direction: column;
    }

    .footer-presentacion__btn {
        width: 100%;
        max-width: 320px;
        box-sizing: border-box;
    }
}