/* Arsys | Maquinaria Industrial y Refacciones */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --p:#1C1C1C;--p2:#111111;--a:#B85C00;--a2:#9A4D00;
  --light:#FFF8F3;--mid:#FFE0C0;--text:#1C1C1C;--gray:#6B6B6B;--white:#fff;
  --radius:8px;--shadow:0 8px 40px rgba(28,28,28,.12);--trans:.28s ease;
}
html{scroll-behavior:smooth;}
body{font-family:'Inter',Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.6;}
img{display:block;max-width:100%;}a{text-decoration:none;color:inherit;}
.container{max-width:1180px;margin:0 auto;padding:0 36px;}

/* ── HEADER ── */
#header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--trans),box-shadow var(--trans);}
#header.scrolled{background:var(--p2);box-shadow:0 2px 20px rgba(0,0,0,.5);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo-link img{height:40px;}
.nav{display:flex;align-items:center;gap:30px;}
.nav a:not(.btn-nav){color:rgba(255,255,255,.8);font-size:.88rem;font-weight:500;transition:color var(--trans);}
.nav a:not(.btn-nav):hover{color:var(--mid);}
.btn-nav{background:var(--a);color:var(--white);padding:10px 22px;border-radius:var(--radius);font-weight:700;font-size:.85rem;transition:background var(--trans);}
.btn-nav:hover{background:var(--a2);}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);}

/* ── HERO — full-bleed, alineado izquierda con línea vertical ── */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(17,17,17,.92) 0%,rgba(28,28,28,.7) 55%,rgba(28,28,28,.3) 100%);}
.hero-content{position:relative;z-index:2;padding-top:120px;padding-bottom:180px;display:flex;align-items:center;}
.hero-accent-line{width:5px;height:120px;background:var(--a);border-radius:4px;flex-shrink:0;margin-right:32px;align-self:flex-start;margin-top:8px;}
.hero-text{max-width:680px;}
.hero-sector{font-size:.72rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--a);margin-bottom:20px;}
.hero-h1{font-size:clamp(2rem,4.5vw,3.8rem);font-weight:900;color:var(--white);line-height:1.1;letter-spacing:-.5px;margin-bottom:22px;}
.hero-h1 em{font-style:normal;color:var(--a);}
.hero-sub{font-size:1.05rem;color:rgba(255,255,255,.65);line-height:1.72;margin-bottom:40px;max-width:520px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.btn-orange{display:inline-block;background:var(--a);color:var(--white);padding:15px 36px;border-radius:var(--radius);font-weight:700;font-size:.95rem;transition:background var(--trans),transform var(--trans);}
.btn-orange:hover{background:var(--a2);transform:translateY(-2px);}
.btn-outline-w{display:inline-block;border:2px solid rgba(255,255,255,.35);color:var(--white);padding:13px 34px;border-radius:var(--radius);font-weight:600;font-size:.95rem;transition:border-color var(--trans);}
.btn-outline-w:hover{border-color:rgba(255,255,255,.8);}

/* Hero stats bar */
.hero-stats{position:absolute;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(184,92,0,.92);backdrop-filter:blur(6px);}
.h-stat{padding:22px 24px;text-align:center;border-right:1px solid rgba(255,255,255,.15);}
.h-stat:last-child{border-right:none;}
.h-num{font-size:2.2rem;font-weight:900;color:var(--white);line-height:1;}
.h-unit{font-size:1rem;font-weight:700;color:rgba(255,255,255,.8);}
.h-stat p{font-size:.74rem;color:rgba(255,255,255,.8);margin-top:4px;font-weight:500;}

/* ── SERVICIOS — lista catálogo ── */
.servicios{padding:96px 0;background:var(--white);}
.svc-header{text-align:center;margin-bottom:56px;}
.label-tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);margin-bottom:12px;}
.label-tag.dark{color:var(--a);}
.svc-header h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--p);letter-spacing:-.5px;}
.svc-list{display:flex;flex-direction:column;gap:0;}
.svc-item{display:grid;grid-template-columns:80px 72px 1fr auto;align-items:center;gap:32px;padding:36px 0;border-bottom:1px solid #EBEBEB;transition:background var(--trans);border-radius:var(--radius);}
.svc-item:first-child{border-top:1px solid #EBEBEB;}
.svc-item:hover{background:var(--light);padding-left:16px;padding-right:16px;}
.svc-num{font-size:3rem;font-weight:900;color:var(--mid);line-height:1;font-variant-numeric:tabular-nums;transition:color var(--trans);}
.svc-item:hover .svc-num{color:var(--a);}
.svc-icon{width:56px;height:56px;background:var(--light);border-radius:12px;display:flex;align-items:center;justify-content:center;transition:background var(--trans);}
.svc-icon i{font-size:1.5rem;color:var(--a);}
.svc-item:hover .svc-icon{background:var(--a);}
.svc-item:hover .svc-icon i{color:var(--white);}
.svc-body h3{font-size:1.1rem;font-weight:800;color:var(--p);margin-bottom:8px;}
.svc-body p{font-size:.88rem;color:var(--gray);line-height:1.65;}
.svc-arrow{width:44px;height:44px;background:var(--light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--a);transition:background var(--trans),color var(--trans);flex-shrink:0;}
.svc-arrow:hover{background:var(--a);color:var(--white);}

/* ── DIFERENCIADORES — banda oscura ── */
.difs{padding:80px 0;background:var(--p);}
.difs-label{font-size:.68rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--a);text-align:center;margin-bottom:48px;display:block;}
.difs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;}
.dif-item{text-align:center;opacity:0;transform:translateY(14px);}
.dif-item.visible{opacity:1;transform:none;transition:opacity .5s,transform .5s;}
.dif-icon{width:64px;height:64px;background:rgba(184,92,0,.18);border:1px solid rgba(184,92,0,.35);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;}
.dif-icon i{font-size:1.5rem;color:var(--a);}
.dif-item h4{font-size:1rem;font-weight:800;color:var(--white);margin-bottom:10px;line-height:1.3;}
.dif-item p{font-size:.84rem;color:rgba(255,255,255,.5);line-height:1.65;}

/* ── SECTORES ── */
.sectores{padding:56px 0;background:var(--light);border-top:1px solid var(--mid);border-bottom:1px solid var(--mid);}
.sectores-inner{display:flex;flex-direction:column;align-items:center;gap:24px;}
.sect-pills{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.sect-pill{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--mid);border-radius:40px;padding:12px 26px;font-weight:600;font-size:.9rem;color:var(--p);transition:all var(--trans);}
.sect-pill i{color:var(--a);}
.sect-pill:hover{background:var(--a);color:var(--white);border-color:var(--a);}
.sect-pill:hover i{color:var(--white);}

/* ── PROCESO ── */
.proceso{padding:96px 0;background:var(--white);}
.proc-head{text-align:center;margin-bottom:64px;}
.proc-head h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:900;color:var(--p);letter-spacing:-.5px;margin-top:8px;}
.proc-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.proc-step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 20px;position:relative;}
.proc-circle{width:64px;height:64px;border-radius:50%;background:var(--a);color:var(--white);font-size:1.1rem;font-weight:900;display:flex;align-items:center;justify-content:center;margin-bottom:24px;position:relative;z-index:2;}
.proc-connector{position:absolute;top:32px;left:calc(50% + 32px);right:calc(-50% + 32px);height:2px;background:var(--mid);}
.proc-connector.none{display:none;}
.proc-step h4{font-size:1rem;font-weight:800;color:var(--p);margin-bottom:10px;}
.proc-step p{font-size:.84rem;color:var(--gray);line-height:1.65;}
.proc-step{opacity:0;transform:translateY(14px);}
.proc-step.visible{opacity:1;transform:none;transition:opacity .5s,transform .5s;}

/* ── CONTACTO ── */
.contacto{position:relative;padding:96px 0;background:var(--p);}
.contacto-inner{display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start;}
.c-left .label-tag{color:var(--a);}
.c-left h2{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:900;color:var(--white);margin-bottom:16px;letter-spacing:-.4px;line-height:1.2;}
.c-left p{color:rgba(255,255,255,.6);font-size:.95rem;line-height:1.72;margin-bottom:32px;}
.c-info{list-style:none;display:flex;flex-direction:column;gap:14px;}
.c-info li{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.7);font-size:.9rem;}
.c-info li i{color:var(--a);width:16px;}
.c-form{background:var(--white);border-radius:12px;padding:40px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.form-group label{font-size:.8rem;font-weight:700;color:var(--p);}
.form-group input,.form-group select,.form-group textarea{padding:12px 16px;border:1.5px solid #E0E0E0;border-radius:var(--radius);font-size:.9rem;font-family:inherit;transition:border-color var(--trans);background:var(--white);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--a);}
.form-group textarea{resize:vertical;}
.btn-submit{width:100%;padding:15px;background:var(--a);color:var(--white);border:none;border-radius:var(--radius);font-weight:700;font-size:1rem;cursor:pointer;transition:background var(--trans);}
.btn-submit:hover{background:var(--a2);}
.form-success{display:none;margin-top:16px;padding:14px;background:#f0faf0;border-radius:var(--radius);color:#2E7D32;font-weight:600;font-size:.9rem;text-align:center;}
.c-left{opacity:0;transform:translateY(14px);}
.c-left.visible,.c-form.visible{opacity:1;transform:none;transition:opacity .6s,transform .6s;}
.c-form{opacity:0;transform:translateY(14px);}

/* ── FOOTER ── */
.footer{background:var(--p2);padding:56px 0 24px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;margin-bottom:40px;}
.footer-brand img{height:36px;margin-bottom:16px;}
.footer-brand p{font-size:.85rem;color:rgba(255,255,255,.45);line-height:1.7;}
.footer-links h5{font-size:.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--a);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.footer-links a{font-size:.85rem;color:rgba(255,255,255,.5);transition:color var(--trans);}
.footer-links a:hover{color:var(--white);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;}
.footer-bottom p{font-size:.8rem;color:rgba(255,255,255,.3);}

/* ── MOBILE ── */
@media(max-width:768px){
  .hero-content{padding-top:100px;padding-bottom:200px;}
  .hero-accent-line{display:none;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .svc-item{grid-template-columns:60px 1fr;grid-template-rows:auto auto;gap:16px;}
  .svc-num{font-size:2rem;}
  .svc-icon{display:none;}
  .svc-arrow{display:none;}
  .difs-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .proc-track{grid-template-columns:1fr;gap:32px;}
  .proc-connector{display:none;}
  .contacto-inner{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .nav{display:none;position:fixed;inset:0;background:var(--p2);flex-direction:column;justify-content:center;align-items:center;gap:24px;z-index:99;}
  .nav.open{display:flex;}
  .nav a{font-size:1.2rem;}
  .hamburger{display:flex;z-index:100;}
  .form-row{grid-template-columns:1fr;}
}