/* =====================================================================
   CAABSA STEEL — Sistema de diseño (tema claro con bandas oscuras)
   Base blanca · azul rey + verde · bandas oscuras en hero/cifras/footer
   ===================================================================== */
:root{
  /* Grounds claros */
  --bg:        #ffffff;
  --bg-2:      #f4f7fb;   /* secciones alternas */
  --surface:   #ffffff;   /* tarjetas */
  --surface-2: #f4f7fb;
  --line:      rgba(18,34,64,.10);
  --line-2:    rgba(18,34,64,.16);

  /* Bandas oscuras */
  --dark:      #0c1a3a;   /* hero / cifras / footer */
  --dark-2:    #0a1531;
  --dark-line: rgba(255,255,255,.12);

  /* Marca */
  --primary:   #1c46cf;   /* Azul rey */
  --primary-2: #3a63ea;
  --accent:    #12a056;   /* Verde */
  --accent-2:  #17b364;

  /* Texto */
  --text:      #16233f;   /* sobre claro */
  --muted:     #56617a;
  --muted-2:   #8a94a6;
  --on-dark:   #eaf0fa;   /* sobre oscuro */
  --on-dark-mut:#aab8d4;

  /* Sistema */
  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1180px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --shadow:    0 22px 50px -26px rgba(18,34,64,.35);
  --shadow-sm: 0 10px 26px -16px rgba(18,34,64,.30);
  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --display:   'Space Grotesk', var(--font);
}

/* ============================ RESET ============================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--primary);color:#fff}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{position:relative;padding:96px 0}
.section--alt{background:var(--bg-2)}
.h2{font-family:var(--display);font-size:clamp(1.8rem,3.5vw,2.7rem);line-height:1.12;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.lead{color:var(--muted);font-size:1.06rem;max-width:56ch}
.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head{margin-bottom:48px}
.section-head.center{max-width:660px}
.section-head__sub{color:var(--muted);margin-top:12px}
.grad{color:var(--accent)}

/* ============================ BOTONES ============================ */
.btn{--pad:12px 20px;display:inline-flex;align-items:center;gap:10px;justify-content:center;padding:var(--pad);border-radius:12px;font-weight:600;font-size:.95rem;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;white-space:nowrap}
.btn--sm{--pad:9px 16px;font-size:.88rem;border-radius:10px}
.btn--lg{--pad:15px 26px;font-size:1rem}
.btn--block{width:100%}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 26px -12px rgba(28,70,207,.7)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px -14px rgba(28,70,207,.8)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px -12px rgba(18,160,86,.6)}
.btn--accent:hover{transform:translateY(-3px)}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--line-2)}
.btn--ghost:hover{background:rgba(18,34,64,.04);transform:translateY(-3px)}
.btn--on-dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn--on-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.btn .play{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff}

/* ============================ NAV ============================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .35s,box-shadow .35s,border-color .35s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(18,34,64,.4)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:82px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:600;font-size:1.02rem;letter-spacing:-.01em;color:#fff}
.brand__mark{color:var(--primary-2);display:grid;place-items:center}
.brand__name b{color:#fff;font-weight:700}
.brand__name{color:rgba(255,255,255,.75)}
.nav__links{display:flex;align-items:center;gap:26px}
.nav__links a{font-size:.92rem;color:#fff;opacity:.82;transition:opacity .2s,color .2s;font-weight:500}
.nav__links a:hover,.nav__links a.active{opacity:1;color:#fff}
.nav__links .btn--primary{color:#fff;opacity:1}
.nav__toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
/* scrolled → fondo blanco, texto oscuro */
.nav.scrolled .brand,.nav.scrolled .brand__name b{color:var(--text)}
.nav.scrolled .brand__mark{color:var(--primary)}
.nav.scrolled .brand__name{color:var(--muted)}
.nav.scrolled .nav__links a{color:var(--text);opacity:.8}
.nav.scrolled .nav__links a:hover,.nav.scrolled .nav__links a.active{color:var(--primary);opacity:1}
.nav.scrolled .nav__links .btn--primary{color:#fff}
.nav.scrolled .nav__toggle span{background:var(--text)}
.nav__toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================ HERO (banda oscura) ============================ */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;padding-top:82px;background:var(--dark);color:var(--on-dark)}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__photo{position:absolute;inset:-18%;background-size:cover;background-position:center;opacity:.42;will-change:transform}
.hero__bg .grid-layer{position:absolute;inset:-10%;background-image:linear-gradient(rgba(120,150,220,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(120,150,220,.12) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%)}
.blueprint-layer{position:absolute;inset:0;display:grid;place-items:center;opacity:.5}
.blueprint{width:120%;height:120%;filter:drop-shadow(0 0 30px rgba(58,99,234,.3))}
.wire .draw{stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 3s var(--ease) forwards}
.wire .draw.thin{stroke-width:.8;opacity:.6}
.wire .draw:nth-child(2){animation-delay:.15s}.wire .draw:nth-child(3){animation-delay:.3s}.wire .draw:nth-child(n+4){animation-delay:.5s}
@keyframes draw{to{stroke-dashoffset:0}}
.nodes circle{opacity:0;animation:pop .4s var(--ease) forwards;animation-delay:2.4s}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1);opacity:1}}
.hero__scrim{position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(8,16,38,.80) 0%,rgba(8,16,38,.62) 38%,rgba(8,16,38,.42) 72%,rgba(8,16,38,.38) 100%)}
.hero__content{position:relative;z-index:2;padding:40px 0 60px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;font-weight:500;color:var(--on-dark);padding:8px 16px;border:1px solid rgba(255,255,255,.2);border-radius:999px;background:rgba(255,255,255,.06);margin-bottom:24px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(18,160,86,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,160,86,.55)}70%{box-shadow:0 0 0 10px rgba(18,160,86,0)}100%{box-shadow:0 0 0 0 rgba(18,160,86,0)}}
.hero__title{font-family:var(--display);font-weight:700;font-size:clamp(2.2rem,5.5vw,4.2rem);line-height:1.05;letter-spacing:-.03em;max-width:24ch;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero__sub{margin-top:22px;font-size:clamp(1rem,1.5vw,1.16rem);color:var(--on-dark-mut);max-width:58ch}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero__mini{display:flex;align-items:center;gap:32px;margin-top:48px;flex-wrap:wrap}
.hero__mini b{font-family:var(--display);font-size:clamp(2.1rem,3.4vw,3rem);font-weight:700;display:block;line-height:1;color:#fff;letter-spacing:-.02em}
.hero__mini span{font-size:.86rem;color:var(--on-dark-mut);display:block;margin-top:6px}
.hero__mini .sep{width:1px;height:52px;background:rgba(255,255,255,.22)}

/* ============================ NOSOTROS / intro ============================ */
.checklist{margin:24px 0 30px;display:grid;gap:12px}
.checklist li{position:relative;padding-left:32px;color:var(--text);font-weight:500}
.checklist li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:6px;background:rgba(18,160,86,.12);box-shadow:inset 0 0 0 1px rgba(18,160,86,.4)}
.checklist li::after{content:"";position:absolute;left:6px;top:8px;width:5px;height:9px;border:2px solid var(--accent);border-top:0;border-left:0;transform:rotate(45deg)}

/* ============================ VIDEO (banda) ============================ */
.videoband{position:relative;left:50%;width:100vw;margin-left:-50vw;margin-top:0;height:min(74vh,620px);overflow:hidden;background:#05080d;display:flex;align-items:flex-end}
.videoband__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.videoband__overlay{position:absolute;inset:0;background:rgba(6,12,26,.4);pointer-events:none}
.videoband__content{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px 44px;color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.5)}
.videoband__content .kicker{color:#8fb0ff}
.videoband__content .h2{color:#fff}
.videoband__content p{color:#d8e0ee;max-width:54ch;margin-top:10px}
.videoband__cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:20px;text-shadow:none}
.videoband__hint{font-size:.82rem;color:#c3ccd8}
.videoband__sound-ic{width:18px;height:18px;flex:none}

/* ============================ CIFRAS / STATS (banda oscura) ============================ */
.stats{background:var(--dark);color:var(--on-dark);border-top:1px solid var(--dark-line);border-bottom:1px solid var(--dark-line)}
.stats .kicker{color:#8fb0ff}
.stats .h2{color:#fff}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{position:relative;padding:30px 26px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--dark-line);transition:transform .35s var(--ease),background .35s}
.stat:hover{transform:translateY(-6px);background:rgba(255,255,255,.07)}
.stat__num{font-family:var(--display);font-size:clamp(2rem,3.2vw,2.9rem);font-weight:700;line-height:1;letter-spacing:-.02em;color:#fff}
.stat__label{margin-top:10px;color:var(--on-dark-mut);font-size:.94rem}
.stat__bar{margin-top:18px;height:4px;border-radius:4px;background:rgba(255,255,255,.1);overflow:hidden}
.stat__bar i{display:block;height:100%;width:0;background:var(--accent);transition:width 1.6s var(--ease) .3s}
.stat.in .stat__bar i{width:100%}

/* ============================ CERTIFICACIÓN ============================ */
.cert{display:flex;gap:24px;align-items:center;flex-wrap:wrap;justify-content:center;padding:28px 30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}
.cert__seal{flex:none;width:88px;height:88px;border-radius:14px;display:grid;place-items:center;background:var(--bg-2);border:1px solid var(--line);color:var(--primary);font-family:var(--display);font-weight:700;font-size:.72rem;text-align:center;line-height:1.2;padding:8px}
.cert__seal-img{flex:none;width:min(300px,72vw);height:auto;border-radius:10px;background:#fff;border:1px solid var(--line);padding:8px}
.cert__txt{flex:1;min-width:240px}
.cert__txt b{font-family:var(--display);font-size:1.15rem}
.cert__txt p{color:var(--muted);margin-top:6px;font-size:.96rem}

/* ============================ SECTORES / cards ============================ */
.sectores__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sector{position:relative;padding:30px 28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;overflow:hidden;color:inherit;text-decoration:none;display:block;box-shadow:var(--shadow-sm)}
.sector:hover{transform:translateY(-8px);border-color:rgba(28,70,207,.35);box-shadow:var(--shadow)}
.sector__icon{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;color:var(--primary);background:rgba(28,70,207,.09);box-shadow:inset 0 0 0 1px rgba(28,70,207,.18);margin-bottom:20px;transition:transform .4s var(--ease)}
.sector__icon svg{width:30px;height:30px}
.sector:hover .sector__icon{transform:scale(1.08) rotate(-3deg)}
.sector h3{font-family:var(--display);font-size:1.28rem;font-weight:600;margin-bottom:10px}
.sector p{color:var(--muted);font-size:.94rem}
.sector__arrow{display:inline-block;margin-top:16px;color:var(--accent);font-weight:600;font-size:.9rem;transition:transform .3s}
.sector:hover .sector__arrow{transform:translateX(6px)}

/* ============================ PROYECTOS ============================ */
.proyectos__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proj{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:300px;display:flex;align-items:flex-end;transition:transform .4s var(--ease),box-shadow .4s;background:var(--surface);box-shadow:var(--shadow-sm)}
.proj:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj__media{position:absolute;inset:0;transition:transform .6s var(--ease);background:#dfe6ef}
.proj:hover .proj__media{transform:scale(1.06)}
.proj__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proj__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(8,16,32,.82))}
.proj__info{position:relative;z-index:2;padding:22px;color:#fff}
.proj__info h3{font-family:var(--display);font-size:1.15rem;font-weight:600;margin:10px 0 4px;color:#fff}
.proj__info p{color:#dbe3f0;font-size:.88rem}
.chip{display:inline-block;font-size:.72rem;font-weight:600;padding:4px 11px;border-radius:999px;letter-spacing:.03em;color:#fff}
.chip--auto{background:rgba(28,70,207,.95)}
.chip--log{background:rgba(18,160,86,.95)}
.chip--aero{background:rgba(58,99,234,.95)}
.chip--pharma{background:rgba(23,179,100,.95)}
.chip--food{background:rgba(18,160,86,.95)}
.chip--corp{background:rgba(90,110,150,.95)}
.chip--ind{background:rgba(90,110,150,.95)}

/* ============================ RESEÑAS ============================ */
.reviews__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{padding:28px 26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px}
.review__stars{color:var(--accent);font-size:1rem;letter-spacing:2px}
.review__text{color:var(--text);font-size:.98rem;line-height:1.6;flex:1}
.review__who{display:flex;align-items:center;gap:12px}
.review__ava{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700}
.review__who b{display:block;font-size:.95rem}
.review__who span{font-size:.82rem;color:var(--muted-2)}

/* ============================ REGIONES / mapa ============================ */
.regions__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.region-card{display:block;color:inherit;padding:28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s}
.region-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.region-card h3{font-family:var(--display);font-size:1.3rem;margin-bottom:8px}
.region-card p{color:var(--muted);font-size:.92rem}
.region-card__states{margin-top:14px;font-size:.82rem;color:var(--primary);font-weight:600}
.map-embed{width:100%;border:0;border-radius:var(--radius);min-height:340px;box-shadow:var(--shadow-sm)}

/* ============================ MARQUEE / clientes ============================ */
.marquee{position:relative;overflow:hidden;padding:8px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;gap:64px;width:max-content;animation:scrollx 34s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes scrollx{to{transform:translateX(-50%)}}
.logo{font-family:var(--display);font-size:1.4rem;font-weight:500;color:var(--muted-2);white-space:nowrap;transition:color .3s}
.logo b{color:var(--muted);font-weight:700}
.logo:hover{color:var(--primary)}

/* ---- Carrusel de logos de clientes (banda infinita) ---- */
.clients{padding:64px 0;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.clients__head{text-align:center;margin-bottom:34px}
.clients__head .kicker{margin-bottom:8px}
.clients__head h2{font-family:var(--display);font-size:clamp(1.35rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.02em;color:var(--text)}
.clients__head p{color:var(--muted);font-size:.98rem;margin-top:8px}
.mq{position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq + .mq{margin-top:26px}
.mq__track{display:flex;align-items:center;width:max-content;animation:mqScroll 42s linear infinite;
  will-change:transform;backface-visibility:hidden}
.mq__track--rev{animation-direction:reverse;animation-duration:52s}
.mq:hover .mq__track{animation-play-state:paused}
@keyframes mqScroll{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
@media (prefers-reduced-motion:reduce){.mq__track{animation:none}.mq{overflow-x:auto}}
.mq__logo{height:46px;width:auto;flex:none;object-fit:contain;margin-right:64px;
  filter:grayscale(1);opacity:.58;transition:filter .35s var(--ease),opacity .35s var(--ease),transform .35s var(--ease)}
.mq__logo:hover{filter:none;opacity:1;transform:scale(1.06)}
@media (max-width:560px){
  .clients{padding:48px 0}
  .mq__track{animation-duration:30s}
  .mq__logo{height:36px;margin-right:40px}
}
@media (prefers-reduced-motion:reduce){
  .mq__track{animation:none;flex-wrap:wrap;justify-content:center;width:auto;gap:34px}
  .mq{-webkit-mask-image:none;mask-image:none}
}

/* ============================ CONTACTO / FORM ============================ */
.contacto{background:var(--bg-2)}
.contacto__grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.contacto__list{margin:24px 0 28px;display:grid;gap:13px}
.contacto__list li{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.96rem}
.ci{width:22px;height:22px;flex:none;border-radius:7px;background:rgba(18,160,86,.13);position:relative;box-shadow:inset 0 0 0 1px rgba(18,160,86,.4)}
.ci::after{content:"";position:absolute;left:7px;top:5px;width:5px;height:9px;border:2px solid var(--accent);border-top:0;border-left:0;transform:rotate(45deg)}
.contacto__direct{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}
.direct{display:flex;flex-direction:column;font-size:.95rem;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);transition:border-color .3s,transform .3s}
.direct:hover{border-color:var(--line-2);transform:translateY(-3px)}
.direct b{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);font-weight:600;margin-bottom:3px}
.contacto__form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field--half{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:.85rem;font-weight:500;margin-bottom:7px;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:11px;background:var(--bg);border:1px solid var(--line-2);color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .25s,box-shadow .25s;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,70,207,.14)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356617a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field.invalid input,.field.invalid select{border-color:#e5484d;box-shadow:0 0 0 3px rgba(229,72,77,.14)}
.err{display:block;color:#e5484d;font-size:.78rem;margin-top:6px;min-height:1px}
.form-note{margin-top:14px;font-size:.9rem;text-align:center;min-height:1.2em}
.form-note.ok{color:var(--accent)}
.form-note.bad{color:#e5484d}
.seg{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.seg input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.seg label{flex:1;min-width:104px;text-align:center;padding:11px 10px;border:1px solid var(--line-2);border-radius:11px;font-size:.9rem;font-weight:500;color:var(--muted);cursor:pointer;transition:.2s;background:var(--bg)}
.seg label:hover{color:var(--text);border-color:rgba(28,70,207,.4)}
.seg input:checked + label{color:#fff;border-color:transparent;background:var(--primary);box-shadow:0 8px 20px -10px rgba(28,70,207,.6)}
.seg input:focus-visible + label{outline:2px solid var(--primary);outline-offset:2px}
.intent-group[hidden]{display:none}

/* ============================ CTA band ============================ */
.ctaband{background:var(--primary);color:#fff}
.ctaband .h2{color:#fff}
.ctaband p{color:rgba(255,255,255,.85);margin-top:10px}
.ctaband__row{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}

/* ============================ FOOTER (oscuro) ============================ */
.footer{background:var(--dark);color:var(--on-dark);padding:60px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;margin-bottom:40px}
.footer .brand__name{color:var(--on-dark-mut)}
.footer .brand__name b{color:#fff}
.footer .brand__mark{color:var(--primary-2)}
.footer__desc{color:var(--on-dark-mut);font-size:.94rem;max-width:34ch;margin-top:12px}
.footer__col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--on-dark-mut);margin-bottom:15px;font-weight:600}
.footer__col a,.footer__col span{display:block;color:var(--on-dark-mut);font-size:.94rem;margin-bottom:9px;transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__social{display:flex;gap:10px;margin-top:6px}
.footer__social a{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid var(--dark-line);color:#fff;margin:0;transition:.2s}
.footer__social a:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;padding-top:24px;border-top:1px solid var(--dark-line);color:var(--on-dark-mut);font-size:.84rem;flex-wrap:wrap}

/* ============================ WHATSAPP ============================ */
.wa{position:fixed;bottom:26px;right:26px;z-index:90;display:flex;align-items:center;gap:0;background:#25D366;color:#0a2e18;width:60px;height:60px;border-radius:999px;overflow:hidden;box-shadow:0 16px 40px -10px rgba(37,211,102,.6);transition:width .4s var(--ease),gap .4s;white-space:nowrap;padding:0 15px}
.wa svg{flex:none}
.wa__label{font-weight:600;font-size:.92rem;opacity:0;max-width:0;transition:opacity .3s,max-width .4s;overflow:hidden}
.wa:hover{width:270px;gap:12px}
.wa:hover .wa__label{opacity:1;max-width:200px}
.wa__pulse{position:absolute;inset:0;border-radius:999px;box-shadow:0 0 0 0 rgba(37,211,102,.6);animation:waPulse 2.2s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}70%{box-shadow:0 0 0 12px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ============================ SUBPÁGINAS ============================ */
.subhead{position:relative;padding:150px 0 66px;min-height:330px;display:flex;align-items:flex-end;overflow:hidden;background:var(--dark);color:var(--on-dark)}
.subhead__bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(120,150,220,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(120,150,220,.10) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 70% 80% at 72% 0%,#000,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 70% 80% at 72% 0%,#000,transparent 70%)}
.subhead__photo{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:.32}
.subhead__scrim{position:absolute;inset:0;background:rgba(10,20,45,.55)}
.breadcrumb{position:relative;z-index:2;font-size:.85rem;color:var(--on-dark-mut);margin-bottom:16px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--on-dark-mut)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.subhead .kicker{position:relative;z-index:2;color:#8fb0ff}
.subhead h1{position:relative;z-index:2;font-family:var(--display);font-weight:700;font-size:clamp(2rem,5vw,3.1rem);line-height:1.06;letter-spacing:-.02em;max-width:22ch;margin-top:6px;color:#fff}
.subhead .lead{position:relative;z-index:2;margin-top:16px;color:var(--on-dark-mut)}
.prose{max-width:70ch}
.prose p{color:var(--muted);margin:14px 0;line-height:1.75}
.prose h2{font-family:var(--display);font-size:1.5rem;margin:28px 0 6px;color:var(--text)}
.prose ul{margin:14px 0;display:grid;gap:8px}
.prose li{position:relative;padding-left:26px;color:var(--muted)}
.prose li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.build-list{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.build-list span{font-size:.88rem;padding:8px 14px;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);color:var(--text)}

/* ============================ BLOG ============================ */
.blog__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .4s var(--ease),box-shadow .4s;color:inherit;box-shadow:var(--shadow-sm)}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dfe6ef}
.post__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.post__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,16,32,.45))}
.post__cat{position:absolute;top:14px;left:14px;z-index:2}
.post__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post__meta{font-size:.76rem;color:var(--muted-2)}
.post__body h3{font-family:var(--display);font-size:1.14rem;font-weight:600;line-height:1.25}
.post__body p{color:var(--muted);font-size:.92rem;flex:1}
.post__more{color:var(--accent);font-weight:600;font-size:.9rem;transition:transform .3s;display:inline-block}
.post:hover .post__more{transform:translateX(5px)}

/* ============================ ASISTENTE IA (CHAT) ============================ */
.ai-fab{position:fixed;bottom:26px;left:26px;z-index:95;display:flex;align-items:center;gap:0;height:60px;border-radius:999px;padding:0 16px;white-space:nowrap;overflow:hidden;background:var(--primary);color:#fff;border:1px solid var(--primary);box-shadow:0 16px 40px -14px rgba(28,70,207,.65);transition:width .4s var(--ease),gap .4s var(--ease),transform .3s var(--ease)}
.ai-fab:hover{gap:12px;transform:translateY(-2px)}
.ai-fab__mark{flex:none;width:30px;height:30px;display:grid;place-items:center;color:#fff}
.ai-fab__label{font-weight:600;font-size:.92rem;max-width:0;opacity:0;overflow:hidden;transition:max-width .4s var(--ease),opacity .3s}
.ai-fab:hover .ai-fab__label{max-width:220px;opacity:1}
.ai-fab__dot{position:absolute;top:12px;left:40px;width:8px;height:8px;border-radius:50%;background:#43d6a0;box-shadow:0 0 0 2px var(--primary)}
.ai-fab.hidden{transform:translateY(20px) scale(.9);opacity:0;pointer-events:none}
.ai-panel{position:fixed;bottom:26px;left:26px;z-index:110;width:min(390px,calc(100vw - 32px));height:min(560px,calc(100vh - 52px));display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--line-2);border-radius:20px;box-shadow:0 34px 80px -24px rgba(18,34,64,.4);transform:translateY(16px) scale(.96);opacity:0;pointer-events:none;transition:transform .32s var(--ease),opacity .28s var(--ease)}
.ai-panel.open{transform:none;opacity:1;pointer-events:auto}
.ai-head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.ai-head__avatar{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;background:var(--primary)}
.ai-head__meta{flex:1;min-width:0}
.ai-head__meta b{font-family:var(--display);font-size:.98rem;font-weight:600;display:block;line-height:1.2;color:var(--text)}
.ai-head__meta span{font-size:.76rem;color:var(--muted);display:flex;align-items:center;gap:6px}
.ai-head__meta span::before{content:"";width:7px;height:7px;border-radius:50%;background:#2bb673}
.ai-head__close{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:var(--muted);background:var(--bg);border:1px solid var(--line);transition:.2s}
.ai-head__close:hover{color:var(--text);background:var(--bg-2)}
.ai-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}
.ai-body::-webkit-scrollbar{width:8px}
.ai-body::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:8px}
.ai-msg{display:flex;gap:9px;max-width:88%;animation:aiIn .3s var(--ease)}
@keyframes aiIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ai-msg__bubble{padding:11px 14px;border-radius:14px;font-size:.92rem;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.ai-msg--bot{align-self:flex-start}
.ai-msg--bot .ai-msg__bubble{background:var(--bg-2);border:1px solid var(--line);border-bottom-left-radius:5px;color:var(--text)}
.ai-msg--user{align-self:flex-end;flex-direction:row-reverse}
.ai-msg--user .ai-msg__bubble{background:var(--primary);color:#fff;border-bottom-right-radius:5px;font-weight:500}
.ai-typing{display:inline-flex;gap:4px;align-items:center;padding:4px 2px}
.ai-typing i{width:7px;height:7px;border-radius:50%;background:var(--muted-2);animation:aiBlink 1.2s infinite}
.ai-typing i:nth-child(2){animation-delay:.2s}.ai-typing i:nth-child(3){animation-delay:.4s}
@keyframes aiBlink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.ai-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 8px}
.ai-chip{font-size:.8rem;padding:7px 12px;border-radius:999px;color:var(--muted);background:var(--bg-2);border:1px solid var(--line-2);transition:.2s;text-align:left}
.ai-chip:hover{color:var(--text);border-color:var(--primary);background:var(--bg)}
.ai-foot{padding:12px;border-top:1px solid var(--line);background:var(--bg-2)}
.ai-inputwrap{display:flex;align-items:flex-end;gap:8px;background:var(--bg);border:1px solid var(--line-2);border-radius:14px;padding:8px 8px 8px 14px;transition:border-color .2s,box-shadow .2s}
.ai-inputwrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,70,207,.14)}
.ai-input{flex:1;background:none;border:none;color:var(--text);font-family:inherit;font-size:.92rem;line-height:1.4;resize:none;max-height:110px;padding:5px 0;outline:none}
.ai-input::placeholder{color:var(--muted-2)}
.ai-send{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;background:var(--primary);transition:.2s}
.ai-send:hover{transform:translateY(-1px)}
.ai-send:disabled{opacity:.4;cursor:not-allowed;transform:none}
.ai-foot__note{margin-top:8px;font-size:.7rem;color:var(--muted-2);text-align:center}
.ai-foot__note b{color:var(--muted);font-weight:600}

/* ============================ TOGGLE DE IDIOMA ============================ */
.langtoggle{display:inline-flex;align-items:center;gap:0;border:1px solid rgba(255,255,255,.32);border-radius:999px;overflow:hidden;font-size:.76rem;font-weight:700;letter-spacing:.04em;line-height:1;opacity:1!important}
.langtoggle span{padding:6px 10px;transition:background .2s,color .2s}
.langtoggle__on{background:rgba(255,255,255,.92);color:var(--dark)}
.langtoggle__off{color:#fff;opacity:.85}
.langtoggle:hover .langtoggle__off{opacity:1;background:rgba(255,255,255,.16)}
.nav.scrolled .langtoggle{border-color:var(--line-2)}
.nav.scrolled .langtoggle__on{background:var(--primary);color:#fff}
.nav.scrolled .langtoggle__off{color:var(--text);opacity:.7}
.nav.scrolled .langtoggle:hover .langtoggle__off{opacity:1;background:rgba(18,34,64,.06)}
@media (max-width:960px){
  .langtoggle{align-self:flex-start;margin:2px 0}
  .langtoggle{border-color:var(--line-2)}
  .langtoggle__on{background:var(--primary);color:#fff}
  .langtoggle__off{color:var(--text);opacity:.7}
}

/* ============================ LOGO ============================ */
.brand__logo{height:46px;width:auto;display:block}
.brand__logo--dark{display:none}
.nav.scrolled .brand__logo--light{display:none}
.nav.scrolled .brand__logo--dark{display:block}
.brand--footer .brand__logo{height:48px}
@media (max-width:560px){.brand__logo{height:34px}}

/* ============================ FONDOS FOTOGRÁFICOS CON PARALLAX ============================ */
.pbg{position:relative;background-size:cover;background-position:center;background-attachment:fixed}
.pbg::before{content:"";position:absolute;inset:0;background:rgba(10,18,40,.82);z-index:0;pointer-events:none}
.pbg > *{position:relative;z-index:1}
.pband{position:relative;left:50%;width:100vw;margin-left:-50vw;min-height:420px;display:flex;align-items:center;overflow:hidden;background-size:cover;background-position:center;background-attachment:fixed;background-color:var(--dark)}
.pband::before{content:"";position:absolute;inset:0;background:rgba(8,14,30,.58)}
.pband__content{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:64px 24px;color:#fff;text-shadow:0 2px 16px rgba(0,0,0,.5)}
.pband__content .kicker{color:#8fb0ff}
.pband__content .h2{color:#fff}
.pband__content p{color:#d8e0ee;max-width:52ch;margin-top:12px}
.pband__content .btn{margin-top:24px;text-shadow:none}
@media (max-width:768px){.pbg,.pband{background-attachment:scroll}.pband{min-height:340px}}

/* ============================ REVEAL ============================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
[data-parallax]{will-change:transform}

/* ============================ RESPONSIVE ============================ */
@media (max-width:960px){
  .section{padding:72px 0}
  .contacto__grid{grid-template-columns:1fr;gap:40px}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .sectores__grid,.proyectos__grid,.reviews__grid,.regions__grid,.blog__grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__links{position:fixed;inset:82px 0 auto 0;flex-direction:column;background:rgba(255,255,255,.98);backdrop-filter:blur(14px);padding:22px;gap:16px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s var(--ease);align-items:stretch}
  .nav__links.open{transform:none}
  .nav__links a{padding:8px 0;color:var(--text);opacity:.85}
  .nav__links .btn--primary{color:#fff}
  .nav__toggle{display:flex}
}
@media (max-width:560px){
  .stats__grid,.sectores__grid,.proyectos__grid,.reviews__grid,.regions__grid,.blog__grid,.footer__grid,.field--half{grid-template-columns:1fr}
  .hero__mini .sep{display:none}
  .videoband{height:64vh}
  .ai-panel{bottom:0;left:0;width:100vw;height:100dvh;border-radius:0;border:none}
  .ai-fab{bottom:20px;left:20px}
  .wa:hover{width:60px}
  .wa:hover .wa__label{opacity:0;max-width:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* ---- Galería dentro de un artículo del blog ---- */
.artgal{columns:2;column-gap:16px;margin:34px 0 6px}
.artgal img{display:block;width:100%;height:auto;margin:0 0 16px;break-inside:avoid;
  border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
@media (max-width:700px){.artgal{columns:1}}

/* Galería de la ficha de proyecto: se ve la foto completa, sin recortar */
.pgal{columns:2;column-gap:20px}
.pgal img{display:block;width:100%;height:auto;margin:0 0 20px;break-inside:avoid;
  border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
@media (max-width:700px){.pgal{columns:1}}

/* ---- Distintivos de registros y certificaciones ---- */
.badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.badge{font-size:.82rem;font-weight:600;color:var(--primary);background:rgba(28,70,207,.07);
  border:1px solid rgba(28,70,207,.22);border-radius:999px;padding:8px 15px;white-space:nowrap}
.badge::before{content:"✓";margin-right:7px;color:var(--accent);font-weight:800}
@media (max-width:560px){.badge{font-size:.76rem;padding:7px 12px}}

/* ---- Documentación: CV destacado + brochure ---- */
.docs__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.doccard{position:relative;padding:34px 32px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.doccard--feat{border-color:rgba(28,70,207,.28);box-shadow:0 18px 44px rgba(18,34,64,.10)}
.doccard--feat::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--primary);
  border-radius:var(--radius) var(--radius) 0 0}
.doccard__top{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.doccard__ic{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;background:var(--primary);color:#fff;flex:0 0 auto}
.doccard__ic--soft{background:rgba(18,34,64,.06);color:var(--muted)}
.doccard__tag{font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  background:rgba(18,34,64,.05);border-radius:999px;padding:6px 13px}
.doccard__tag--feat{color:var(--primary);background:rgba(28,70,207,.08);border:1px solid rgba(28,70,207,.2)}
.doccard__t{font-family:var(--display);font-size:1.55rem;font-weight:700;letter-spacing:-.01em;color:var(--text);margin:0 0 12px}
.doccard--feat .doccard__t{font-size:1.85rem}
.doccard__p{color:var(--muted);font-size:.96rem;line-height:1.65;margin:0 0 20px}
.doccard__list{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:11px}
.doccard__list li{position:relative;padding-left:28px;font-size:.93rem;color:var(--text);line-height:1.5}
.doccard__list li::before{content:"";position:absolute;left:0;top:.42em;width:15px;height:9px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.doccard__btn{justify-content:center}
.doccard__note{font-size:.8rem;color:var(--muted-2);text-align:center;margin:12px 0 0}
.doccard .contacto__form{margin-top:4px}
.field__hint{display:block;font-size:.78rem;color:var(--muted-2);margin-top:6px}

/* ---- Banda del CV en la portada ---- */
.cvband__box{display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:center;
  padding:44px 46px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);border-left:4px solid var(--primary);box-shadow:0 18px 44px rgba(18,34,64,.09)}
.cvband__p{color:var(--muted);font-size:1rem;line-height:1.68;margin:16px 0 0;max-width:60ch}
.cvband__side{display:flex;flex-direction:column;align-items:stretch;gap:12px}
.cvband__btn{justify-content:center;text-align:center}
.cvband__meta{font-size:.8rem;color:var(--muted-2);text-align:center}
.cvband__alt{font-size:.88rem;font-weight:600;color:var(--primary);text-decoration:none;text-align:center}
.cvband__alt:hover{text-decoration:underline}

@media (max-width:900px){
  .docs__grid{grid-template-columns:1fr}
  .doccard{padding:28px 22px}
  .cvband__box{grid-template-columns:1fr;gap:28px;padding:32px 24px}
}

/* Proyectos sin fotografía propia: nunca se usa la imagen de otra obra */
.proj__media--blank{display:grid;place-content:center;gap:10px;justify-items:center;padding-bottom:112px;
  background:var(--dark);
  background-image:repeating-linear-gradient(135deg,rgba(120,150,220,.08) 0 1px,transparent 1px 11px),
                   radial-gradient(ellipse 80% 70% at 50% 0%,rgba(28,70,207,.30),transparent 70%)}
.proj__media--blank::after{background:linear-gradient(180deg,transparent 42%,rgba(8,16,32,.78))}
.proj__blankmark{width:74px;height:auto;color:rgba(190,208,238,.55)}
.proj__blanktxt{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(190,208,238,.46)}

/* Foto panorámica de un proyecto, a todo lo ancho */
.photoband{position:relative;left:50%;width:100vw;margin-left:-50vw;
  aspect-ratio:5/1;min-height:150px;max-height:340px;
  background-size:cover;background-position:center;background-repeat:no-repeat;
  border-block:1px solid var(--line)}

/* Clip aéreo de fondo en el héroe; la foto queda debajo como respaldo */
.hero__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.40;
  pointer-events:none}
.hero__video + .hero__photo{opacity:.42}
@media (prefers-reduced-motion:reduce){.hero__video{display:none}}
@media (max-width:700px){.hero__video{display:none}}

/* Campo trampa para bots: fuera de pantalla, nunca visible ni enfocable */
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}