/* ============================================
   BUSICOM — hoja de estilos compartida
   Paleta extraída del PDF original (vector):
   negro texto, azul #0069B5/#00638F, plateado
   ============================================ */

:root{
  --white:#FFFFFF;
  --bg-soft:#F4F9FC;
  --bg-soft-2:#EAF2F7;
  --ink:#0A1420;
  --ink-body:#3B4A57;
  --ink-mute:#7488A0;
  --blue:#0069B5;
  --blue-deep:#00456E;
  --blue-bright:#128FD9;
  --navy:#071C2C;
  --navy-2:#0C2A40;
  --silver:#A9BAC7;
  --silver-light:#E3E9EE;
  --line:#E1E8ED;
  --grad: linear-gradient(120deg, var(--blue) 0%, var(--blue-bright) 100%);
  --sans:'Inter',sans-serif;
  --disp:'Space Grotesk',sans-serif;
  --shadow: 0 12px 30px -12px rgba(6,32,54,0.18);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--white);color:var(--ink-body);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
h1,h2,h3,h4{font-family:var(--disp);font-weight:600;letter-spacing:-0.01em;line-height:1.15;color:var(--ink);}
::selection{background:var(--blue);color:#fff;}

.eyebrow{
  font-family:var(--sans);text-transform:uppercase;letter-spacing:0.16em;
  font-size:12px;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--grad);border-radius:2px;}
.eyebrow.on-dark{color:#8FD3FF;}

/* ---------- HEADER / NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,0.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
nav{max-width:1180px;margin:0 auto;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-logo{width:36px;height:36px;flex-shrink:0;object-fit:contain;}
.brand b{font-family:var(--disp);font-size:18px;color:var(--ink);letter-spacing:0.02em;}
.navlinks{display:flex;align-items:center;gap:30px;}
.navlinks a{font-size:14.5px;color:var(--ink-body);transition:color .2s;font-weight:500;}
.navlinks a:hover{color:var(--blue);}
.nav-cta{
  background:var(--grad);color:#fff !important;font-weight:700;padding:10px 20px;border-radius:8px;font-size:14px;
  transition:transform .2s, box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 22px -8px rgba(0,105,181,0.45);}
.menu-toggle{display:none;background:none;border:none;color:var(--ink);font-size:24px;cursor:pointer;}
@media (max-width:860px){
  .navlinks{position:fixed;top:64px;left:0;right:0;background:var(--white);flex-direction:column;align-items:flex-start;gap:0;max-height:0;overflow:hidden;transition:max-height .3s ease;border-bottom:1px solid var(--line);}
  .navlinks.open{max-height:420px;}
  .navlinks a{padding:15px 32px;width:100%;border-top:1px solid var(--line);}
  .nav-cta{margin:16px 32px;display:inline-block;}
  .menu-toggle{display:block;}
}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:9px;font-weight:700;font-size:15px;transition:transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;}
.btn-primary{background:var(--grad);color:#fff;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(0,105,181,0.5);}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:var(--white);}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,0.35);color:#fff;background:rgba(255,255,255,0.06);}
.btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,0.14);}

/* ---------- HERO (home, con foto de fondo) ---------- */
.hero{
  position:relative;padding:190px 0 90px;overflow:hidden;
  background:linear-gradient(180deg, rgba(4,16,26,0.88) 0%, rgba(6,28,44,0.93) 55%, rgba(7,28,44,0.98) 100%), url('images/hero-bg.jpg');
  background-size:cover;background-position:center;
}
.hero-inner{max-width:760px;position:relative;z-index:2;}
.hero-logo{width:104px;height:104px;object-fit:contain;margin-bottom:28px;filter:drop-shadow(0 8px 24px rgba(0,0,0,0.35));}
.badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);
  padding:7px 14px;border-radius:100px;font-size:12.5px;letter-spacing:0.08em;text-transform:uppercase;
  color:#CFE6F7;margin-bottom:24px;font-weight:600;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 10px var(--blue-bright);}
.hero h1{font-size:clamp(34px,5vw,54px);color:#fff;}
.hero h1 span{background:linear-gradient(120deg,#5FC4FF,#B8E4FF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{margin-top:20px;font-size:17px;color:#C6D8E6;max-width:580px;}
.hero-ctas{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- small hero (service subpages) ---------- */
.hero-sm{
  position:relative;padding:150px 0 60px;background:linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  overflow:hidden;
}
.hero-sm::before{
  content:'';position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(18,143,217,0.35), transparent 70%);
  top:-220px;right:-140px;
}
.hero-sm .wrap{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#9FC2DA;margin-bottom:20px;}
.crumb a{color:#9FC2DA;}
.crumb a:hover{color:#fff;}
.hero-sm-icon{
  width:60px;height:60px;border-radius:16px;background:rgba(18,143,217,0.16);border:1px solid rgba(18,143,217,0.4);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
}
.hero-sm h1{color:#fff;font-size:clamp(30px,4.4vw,44px);max-width:640px;}
.hero-sm p.lead{color:#B9D2E4;margin-top:16px;font-size:16.5px;max-width:560px;}
.hero-sm .hero-ctas{margin-top:28px;}

/* ---------- capability bar ---------- */
.cap-bar{
  margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.14);border-radius:14px;overflow:hidden;max-width:920px;
  position:relative;z-index:2;
}
.cap{background:rgba(255,255,255,0.04);padding:18px 18px;}
.cap b{font-family:var(--disp);font-size:20px;display:block;color:#fff;}
.cap span{font-size:12px;color:#9FC2DA;}
@media (max-width:700px){.cap-bar{grid-template-columns:repeat(2,1fr);}}

/* ---------- tagline band ---------- */
.tagline{padding:64px 0;border-bottom:1px solid var(--line);background:var(--bg-soft);}
.tagline .wrap{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.tagline h2{font-size:clamp(22px,3vw,32px);max-width:560px;}
.tagline p{max-width:340px;color:var(--ink-mute);font-size:15px;}

/* ---------- sections ---------- */
section{padding:100px 0;position:relative;}
.section-head{max-width:640px;margin-bottom:50px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);margin-top:14px;}
.section-head p{margin-top:14px;color:var(--ink-mute);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-head.center .eyebrow::before{display:none;}

/* ---------- services grid (icon cards, homepage) ---------- */
.grid-services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.svc-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 22px;
  transition:transform .22s, box-shadow .22s, border-color .22s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#CFE0EB;}
.svc-ico{
  width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg, rgba(0,105,181,0.12), rgba(18,143,217,0.06));
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;border:1px solid rgba(0,105,181,0.18);
}
.svc-card h3{font-size:16px;margin-bottom:8px;}
.svc-card p{font-size:13.5px;color:var(--ink-mute);}
.svc-card .go{margin-top:14px;font-size:13px;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:5px;}
.svc-card:hover .go{gap:8px;}
@media (max-width:960px){.grid-services{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.grid-services{grid-template-columns:1fr;}}

/* ---------- domotica teaser (homepage, condensado) ---------- */
.domotica-teaser{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.dt-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.pill{display:inline-block;background:rgba(0,105,181,0.1);color:var(--blue-deep);border:1px solid rgba(0,105,181,0.25);padding:5px 12px;border-radius:100px;font-size:12.5px;font-weight:700;margin-bottom:16px;}
.dt-grid ul{list-style:none;display:grid;gap:13px;margin-top:22px;}
.dt-grid li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-body);}
.dt-visual{position:relative;background:var(--navy);border-radius:20px;padding:30px;overflow:hidden;box-shadow:var(--shadow);}
.dt-visual::before{content:'';position:absolute;width:240px;height:240px;border-radius:50%;background:var(--blue-bright);filter:blur(80px);opacity:0.28;top:-60px;right:-60px;}
.ha-row{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;padding:14px 16px;margin-bottom:10px;position:relative;z-index:1;}
.ha-row:last-child{margin-bottom:0;}
.ha-left{display:flex;align-items:center;gap:12px;}
.ha-ico{width:32px;height:32px;border-radius:9px;background:rgba(18,143,217,0.18);display:flex;align-items:center;justify-content:center;}
.ha-name{font-size:13.5px;color:#fff;font-weight:600;}
.ha-sub{font-size:11px;color:#9FC2DA;}
.toggle{width:34px;height:20px;border-radius:100px;background:var(--grad);position:relative;flex-shrink:0;}
.toggle::after{content:'';position:absolute;width:14px;height:14px;background:#04141A;border-radius:50%;top:3px;right:3px;}
.toggle.off{background:rgba(255,255,255,0.14);}
.toggle.off::after{background:#5A7185;left:3px;right:auto;}
@media (max-width:900px){.dt-grid{grid-template-columns:1fr;}}

/* ---------- benefits grid (service subpages) ---------- */
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.benefit{padding:26px 22px;border:1px solid var(--line);border-radius:14px;background:var(--white);}
.benefit .n{font-family:var(--disp);font-size:13px;color:var(--blue);border:1px solid rgba(0,105,181,0.3);width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.benefit h4{font-size:15.5px;margin-bottom:8px;}
.benefit p{font-size:13.5px;color:var(--ink-mute);}
@media (max-width:900px){.benefits{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.benefits{grid-template-columns:1fr;}}

/* ---------- service detail layout ---------- */
.detail-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:60px;align-items:start;}
.detail-grid h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px;}
.detail-grid > div:first-child p{color:var(--ink-body);font-size:16px;margin-bottom:16px;}
.feat-list{list-style:none;display:grid;gap:14px;margin-top:26px;}
.feat-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-body);}
.detail-photo{border-radius:16px;overflow:hidden;position:relative;box-shadow:var(--shadow);}
.detail-photo img{width:100%;height:320px;object-fit:cover;filter:saturate(0.75) contrast(1.02);}
.detail-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,69,110,0.28), rgba(7,28,44,0.55));}
.detail-photo.no-photo::after{content:none;}
@media (max-width:900px){.detail-grid{grid-template-columns:1fr;}.detail-photo img{height:220px;}}

.check-icon{flex-shrink:0;margin-top:2px;}

/* ---------- process ---------- */
.process{background:var(--bg-soft);}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px 22px;}
.step-num{font-family:var(--disp);font-size:13px;color:var(--blue);border:1px solid rgba(0,105,181,0.3);width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.step h4{font-size:15.5px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--ink-mute);}
@media (max-width:800px){.process-grid{grid-template-columns:1fr 1fr;}}

/* ---------- mini CTA band (service subpages) ---------- */
.mini-cta{
  background:linear-gradient(120deg, var(--navy) 0%, var(--blue-deep) 100%);border-radius:20px;padding:48px;
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
}
.mini-cta h3{color:#fff;font-size:clamp(20px,2.6vw,27px);max-width:480px;}
.mini-cta p{color:#B9D2E4;margin-top:8px;font-size:14.5px;}

/* ---------- contact ---------- */
.contact{background:var(--bg-soft);border-top:1px solid var(--line);}
.contact-panel{background:var(--navy);border-radius:20px;padding:56px;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;position:relative;overflow:hidden;box-shadow:var(--shadow);}
.contact-panel::before{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:var(--blue-bright);filter:blur(110px);opacity:0.22;bottom:-100px;left:-80px;}
.contact-panel h2{font-size:clamp(24px,3.2vw,34px);color:#fff;position:relative;}
.contact-panel > div > p{color:#B9D2E4;margin-top:14px;max-width:420px;position:relative;font-size:15.5px;}
.contact-form{display:grid;gap:12px;position:relative;}
.contact-form input, .contact-form textarea{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.16);border-radius:9px;padding:13px 16px;color:#fff;font-family:var(--sans);font-size:14.5px;}
.contact-form input::placeholder, .contact-form textarea::placeholder{color:#7FA0B8;}
.contact-form textarea{resize:vertical;min-height:90px;}
.contact-form button{justify-self:start;background:var(--grad);color:#fff;border:none;padding:13px 28px;border-radius:9px;font-weight:700;font-size:14.5px;cursor:pointer;font-family:var(--sans);transition:transform .2s;}
.contact-form button:hover{transform:translateY(-1px);}
.contact-details{display:grid;gap:20px;align-content:start;margin-top:28px;position:relative;}
.cd{display:flex;gap:13px;align-items:flex-start;}
.cd svg{flex-shrink:0;color:#5FC4FF;margin-top:2px;}
.cd .label{font-size:11.5px;text-transform:uppercase;letter-spacing:0.1em;color:#7FA0B8;margin-bottom:2px;}
.cd .value{color:#fff;font-size:15px;}
@media (max-width:860px){.contact-panel{grid-template-columns:1fr;padding:36px 26px;}}

/* ---------- footer ---------- */
footer{padding:34px 0;border-top:1px solid var(--line);}
.footer-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--ink-mute);align-items:center;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-logo{width:24px;height:24px;}