/* ============================================================
   ACEROS JJC EIRL — Sistema de diseño "Acero / Blueprint"
   Compartido por index.html y servicios.html
   ============================================================ */
:root{
  --graphite:#12171B;     /* acero antracita */
  --graphite-2:#181F25;
  --graphite-3:#212B32;
  --steel:#AEB8BF;        /* acero cepillado */
  --steel-d:#7C8891;
  --paper:#F4F6F7;        /* concreto claro */
  --paper-2:#E8ECEE;
  --ink:#12171B;
  --ink-soft:#52616B;
  --line:rgba(174,184,191,.22);
  --line-d:rgba(18,23,27,.10);

  --blue:#2E86C7;         /* azul plano / estructural — acento principal */
  --blue-bright:#58A9E8;
  --blue-deep:#1C5E91;
  --blue-soft:#CFE3F4;
  --signal:#F0820F;       /* naranja — RESERVADO para 24/7 */
  --signal-soft:#FFB35C;

  --disp:'Archivo', system-ui, sans-serif;
  --body:'Inter', system-ui, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, monospace;

  --maxw:1180px;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--body);color:var(--ink);background:var(--paper);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--blue-soft);color:var(--graphite)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.disp{font-family:var(--disp)}
.eyebrow{
  font-family:var(--mono);font-size:.74rem;font-weight:500;text-transform:uppercase;
  letter-spacing:.18em;color:var(--blue-deep);display:inline-flex;align-items:center;gap:9px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--blue);display:inline-block}
.eyebrow.on-dark{color:var(--blue-bright)}
.eyebrow.on-dark::before{background:var(--blue-bright)}

/* ===================== NAV ===================== */
header.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(18,23,27,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand img{height:100px;width:auto;max-width:58vw}
.brand .bz{font-family:var(--disp);font-weight:700;color:#fff;font-size:1.16rem;letter-spacing:.01em}
.brand .bz b{color:var(--blue-bright)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--steel);font-size:.92rem;font-weight:500;transition:color .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-right{display:flex;align-items:center;gap:14px}
.socials{display:flex;gap:8px}
.soc{
  width:36px;height:36px;border-radius:9px;display:grid;place-items:center;
  background:rgba(174,184,191,.08);border:1px solid var(--line);color:var(--steel);transition:.2s;
}
.soc:hover{color:#fff;background:rgba(46,134,199,.22);border-color:var(--blue);transform:translateY(-2px)}
.nav-cta{
  background:#25D366;color:#04240f;font-weight:600;font-size:.9rem;
  padding:11px 18px;border-radius:11px;display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 8px 22px -10px rgba(37,211,102,.85);transition:transform .18s,box-shadow .18s;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(37,211,102,.95)}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.burger span{display:block;width:22px;height:2px;background:var(--steel);margin:5px auto;transition:.3s}

/* ---- nav dropdown (Servicios) ---- */
.nav-item{position:relative;display:flex;align-items:center}
.nav-item>a{display:inline-flex;align-items:center;gap:6px}
.caret{transition:transform .25s ease}
.dropdown{
  position:absolute;top:100%;left:50%;margin-top:14px;transform:translateX(-50%) translateY(8px);
  min-width:248px;background:rgba(20,26,31,.97);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line);border-radius:14px;padding:8px;
  display:flex;flex-direction:column;gap:1px;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,transform .2s,visibility .2s;
  box-shadow:0 30px 64px -26px rgba(0,0,0,.75);z-index:80;
}
.dropdown::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}/* puente de hover */
.dropdown a{
  padding:11px 13px;border-radius:9px;color:var(--steel);font-size:.9rem;font-weight:500;
  display:flex;align-items:center;gap:11px;white-space:nowrap;transition:background .16s,color .16s;
}
.dropdown a .di{width:8px;height:8px;flex:none;background:var(--blue);transform:rotate(45deg);transition:.16s}
.dropdown a:hover{background:rgba(46,134,199,.14);color:#fff}
.dropdown a:hover .di{background:var(--blue-bright)}
.dropdown .drop-all{
  margin-top:5px;padding-top:13px;border-top:1px solid var(--line);
  color:var(--blue-bright);font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;
}
.dropdown .drop-all .di{background:none;transform:none;width:auto;height:auto}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.nav-item:hover .caret,.nav-item:focus-within .caret{transform:rotate(180deg)}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--body);
  font-weight:600;font-size:1rem;padding:15px 26px;border-radius:13px;cursor:pointer;border:0;
  transition:transform .18s,box-shadow .18s,background .18s;
}
.btn-wa{background:#25D366;color:#04240f;box-shadow:0 10px 30px -10px rgba(37,211,102,.7)}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 16px 38px -10px rgba(37,211,102,.85)}
.btn-blue{background:#25D366;color:#04240f;box-shadow:0 10px 30px -10px rgba(37,211,102,.8)}
.btn-blue:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(174,184,191,.08);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(174,184,191,.16);transform:translateY(-2px)}
.btn-ghost-d{background:#fff;color:var(--graphite);border:1px solid var(--line-d)}
.btn-ghost-d:hover{transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(18,23,27,.4)}

/* ===================== HERO ===================== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 520px at 80% -10%, rgba(46,134,199,.20), transparent 60%),
    radial-gradient(700px 600px at 5% 120%, rgba(28,94,145,.22), transparent 55%),
    linear-gradient(180deg,var(--graphite),var(--graphite-2));
}
.blueprint-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(174,184,191,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(174,184,191,.06) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(75% 75% at 60% 25%,#000,transparent);
  -webkit-mask-image:radial-gradient(75% 75% at 60% 25%,#000,transparent);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center;padding:80px 0 60px}
.hero-copy{opacity:0;transform:translateY(18px);animation:rise .9s .1s ease forwards}
.hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(2.5rem,5.4vw,4.1rem);line-height:1.02;letter-spacing:-.02em;margin:18px 0 0}
.hero h1 .ac{color:transparent;background:linear-gradient(120deg,var(--blue-bright),var(--blue));-webkit-background-clip:text;background-clip:text}
.hero .lead{color:var(--steel);font-size:clamp(1.02rem,1.5vw,1.18rem);margin:22px 0 0;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.chips{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px}
.chip{display:flex;align-items:center;gap:9px;color:var(--steel);font-size:.9rem;font-family:var(--mono)}
.chip .d{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(46,134,199,.18)}

/* steel arch signature */
.arch-stage{position:relative;opacity:0;transform:translateY(18px);animation:rise 1s .25s ease forwards}
.arch-card{
  position:relative;border:1px solid var(--line);border-radius:20px;padding:30px;
  background:linear-gradient(160deg,rgba(33,43,50,.7),rgba(18,23,27,.5));
  box-shadow:0 40px 80px -34px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(4px);
}
.arch-card .corner{position:absolute;width:12px;height:12px;border:2px solid var(--blue);opacity:.7}
.arch-card .corner.tl{top:12px;left:12px;border-right:0;border-bottom:0}
.arch-card .corner.tr{top:12px;right:12px;border-left:0;border-bottom:0}
.arch-card .corner.bl{bottom:12px;left:12px;border-right:0;border-top:0}
.arch-card .corner.br{bottom:12px;right:12px;border-left:0;border-top:0}
.arch-svg{width:100%;height:auto;display:block}
.arch-svg .draw{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2.4s .5s ease forwards}
.arch-spec{display:flex;justify-content:space-between;margin-top:18px;font-family:var(--mono);font-size:.72rem;color:var(--steel-d);letter-spacing:.04em}
.arch-spec b{color:var(--blue-bright);font-weight:500}

/* ===================== TRUST STRIP ===================== */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(18,23,27,.55);position:relative}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:24px 22px;display:flex;align-items:center;gap:13px;border-right:1px solid var(--line)}
.strip-item:last-child{border-right:0}
.strip-item .si{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(46,134,199,.12);color:var(--blue-bright)}
.strip-item b{color:#fff;font-family:var(--disp);font-size:.98rem;display:block;line-height:1.15}
.strip-item span{color:var(--steel);font-size:.8rem}

/* ===================== SECTION HEAD ===================== */
.section{padding:92px 0}
.section.light{background:var(--paper);color:var(--ink)}
.section.alt{background:var(--paper-2)}
.section.dark{background:var(--graphite);color:#fff;position:relative;overflow:hidden}
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head h2{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,3.7vw,2.9rem);letter-spacing:-.02em;line-height:1.05;margin:14px 0 0}
.sec-head.dark h2{color:#fff}
.sec-head p{color:var(--ink-soft);font-size:1.06rem;margin-top:15px}
.sec-head.dark p{color:var(--steel)}

/* ===================== SERVICE CARDS ===================== */
.grid-serv{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scard{
  position:relative;background:#fff;border:1px solid var(--line-d);border-radius:var(--r);
  padding:28px 25px;overflow:hidden;box-shadow:0 1px 2px rgba(18,23,27,.04);
  transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s,border-color .28s;
}
.scard::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue-deep));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.scard:hover{transform:translateY(-6px);box-shadow:0 26px 50px -24px rgba(18,40,60,.26);border-color:rgba(46,134,199,.32)}
.scard:hover::before{transform:scaleX(1)}
.scard .ico{width:52px;height:52px;border-radius:13px;margin-bottom:18px;display:grid;place-items:center;color:var(--blue-deep);background:linear-gradient(150deg,#e6f1fa,#d3e6f5);border:1px solid rgba(46,134,199,.22)}
.scard h3{font-family:var(--disp);font-weight:700;font-size:1.18rem}
.scard ul{list-style:none;margin-top:13px}
.scard li{position:relative;padding-left:20px;color:var(--ink-soft);font-size:.93rem;margin-bottom:6px}
.scard li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--blue);transform:rotate(45deg)}
.scard .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--mono);font-size:.78rem;color:var(--blue-deep);font-weight:500}
.scard.feature{background:linear-gradient(160deg,var(--graphite-3),var(--graphite));border-color:var(--graphite-3);color:#fff}
.scard.feature h3{color:#fff}.scard.feature p{color:var(--steel);font-size:.93rem;margin-top:12px}
.scard.feature .ico{background:rgba(46,134,199,.18);color:var(--blue-bright);border-color:rgba(46,134,199,.3)}

/* ===================== PROCESS ===================== */
.proc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pstep{padding:26px;border-radius:var(--r);background:rgba(174,184,191,.05);border:1px solid var(--line)}
.pstep .num{font-family:var(--mono);font-size:.78rem;color:var(--blue-bright);letter-spacing:.08em}
.pstep b{display:block;font-family:var(--disp);color:#fff;font-size:1.1rem;margin-top:12px}
.pstep p{color:var(--steel);font-size:.9rem;margin-top:7px}

/* ===================== EMERGENCY 24/7 ===================== */
.emergency{position:relative;overflow:hidden;background:linear-gradient(120deg,#F0820F,#E0610A);color:#fff}
.emergency::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 90% 20%,rgba(255,255,255,.18),transparent 60%)}
.emergency-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:50px 0;flex-wrap:wrap}
.emergency .pb{display:flex;align-items:center;gap:16px}
.pulse{position:relative;width:56px;height:56px;flex:none;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center}
.pulse::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(255,255,255,.6);animation:ping 2s ease-out infinite}
.emergency h2{font-family:var(--disp);font-weight:800;font-size:clamp(1.5rem,3vw,2.2rem);color:#fff}
.emergency p{color:rgba(255,255,255,.92);margin-top:5px;max-width:460px}
.btn-em{background:#fff;color:#B85800;box-shadow:0 12px 30px -10px rgba(0,0,0,.35)}
.btn-em:hover{transform:translateY(-2px)}

/* ===================== WHY ===================== */
.why-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}
.why-list{display:grid;gap:16px}
.why-item{display:flex;gap:17px;padding:22px;border-radius:15px;background:rgba(174,184,191,.05);border:1px solid var(--line);transition:.25s}
.why-item:hover{background:rgba(46,134,199,.07);transform:translateX(5px)}
.why-item .wi{width:46px;height:46px;border-radius:12px;flex:none;display:grid;place-items:center;background:rgba(46,134,199,.14);color:var(--blue-bright)}
.why-item b{font-family:var(--disp);color:#fff;font-size:1.08rem}
.why-item p{color:var(--steel);font-size:.92rem;margin-top:3px}
.section.dark .glow{position:absolute;top:-20%;right:-10%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(46,134,199,.15),transparent 65%)}

/* ===================== CAPABILITIES ===================== */
.caps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}
.cap{background:#fff;border:1px solid var(--line-d);border-radius:13px;padding:24px 20px;transition:.25s}
.cap:hover{transform:translateY(-5px);box-shadow:0 20px 38px -20px rgba(18,40,60,.24)}
.cap .cn{font-family:var(--mono);font-size:.78rem;color:var(--blue-deep)}
.cap b{display:block;font-family:var(--disp);font-size:1.02rem;margin-top:11px;line-height:1.22}
.cap p{color:var(--ink-soft);font-size:.84rem;margin-top:7px}

/* ===================== CONTACT CARD ===================== */
.contact-card{
  background:linear-gradient(160deg,var(--graphite-2),var(--graphite));
  border:1px solid var(--line);border-radius:20px;padding:38px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center;
}
.contact-card h2{font-family:var(--disp);font-weight:800;color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.05}
.contact-card .ac{color:transparent;background:linear-gradient(120deg,var(--blue-bright),var(--blue));-webkit-background-clip:text;background-clip:text}
.contact-card p{color:var(--steel);margin-top:14px}
.cc-right{display:flex;flex-direction:column;gap:14px}
.cc-line{display:flex;align-items:center;gap:13px;color:#fff}
.cc-line .ci{width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(46,134,199,.15);color:var(--blue-bright)}
.cc-line small{display:block;color:var(--steel);font-size:.78rem;font-family:var(--mono)}
.cc-line b{font-family:var(--disp);font-size:1.15rem}

/* ===================== FOOTER ===================== */
footer.foot{background:var(--graphite);color:var(--steel);padding:54px 0 28px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.foot img.fl{height:100px;margin-bottom:14px}
.foot p{font-size:.9rem;max-width:300px}
.foot h4{color:#fff;font-family:var(--disp);font-size:.95rem;margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin-bottom:9px;font-size:.9rem}
.foot a:hover{color:var(--blue-bright)}
.foot .socials{margin-top:16px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:22px;font-size:.82rem;color:#6b767d}
.foot-bottom a{color:var(--blue-bright)}

/* ===================== FLOATING WA ===================== */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:70;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.6);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(37,211,102,.5);animation:ping 2.4s ease-out infinite}

/* ===================== GALLERY (servicios) ===================== */
.gal-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.gal-tab{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.02em;padding:9px 16px;border-radius:10px;cursor:pointer;
  background:#fff;border:1px solid var(--line-d);color:var(--ink-soft);transition:.2s;
}
.gal-tab:hover{border-color:var(--blue)}
.gal-tab.active{background:#25D366;color:#04240f;border-color:var(--blue)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gitem{
  position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;cursor:pointer;
  background:linear-gradient(150deg,var(--paper-2),#fff);border:1px solid var(--line-d);
}
.gitem img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gitem:hover img{transform:scale(1.06)}
.gitem .cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;
  background:linear-gradient(transparent,rgba(18,23,27,.82));
  color:#fff;font-size:.82rem;font-family:var(--mono);opacity:0;transition:opacity .25s;
}
.gitem:hover .cap{opacity:1}
.gitem .tagcat{position:absolute;top:9px;left:9px;font-family:var(--mono);font-size:.66rem;letter-spacing:.04em;text-transform:uppercase;background:rgba(18,23,27,.6);color:#fff;padding:4px 8px;border-radius:6px;backdrop-filter:blur(4px)}
/* placeholder tile (sin foto aún) */
.gitem.ph{display:grid;place-items:center;border:1.5px dashed rgba(46,134,199,.4);background:repeating-linear-gradient(45deg,#fff,#fff 12px,#f0f4f7 12px,#f0f4f7 24px);cursor:default}
.gitem.ph .ph-in{text-align:center;color:var(--blue-deep);font-family:var(--mono);font-size:.74rem;padding:0 10px}
.gitem.ph .ph-in svg{margin:0 auto 8px;opacity:.6}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(10,14,17,.92);display:none;place-items:center;padding:30px}
.lightbox.show{display:grid}
.lightbox img{max-width:92vw;max-height:84vh;border-radius:10px;box-shadow:0 30px 80px -20px #000}
.lightbox .lb-cap{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:#fff;font-family:var(--mono);font-size:.9rem}
.lightbox .lb-x{position:absolute;top:20px;right:24px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;cursor:pointer;font-size:1.4rem;display:grid;place-items:center}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:1.5rem}
.lightbox .lb-prev{left:20px}.lightbox .lb-next{right:20px}

/* service detail blocks (servicios) */
.svc-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;padding:46px 0;border-bottom:1px solid var(--line-d)}
.svc-block:nth-child(even){direction:rtl}
.svc-block:nth-child(even)>*{direction:ltr}
.svc-block .svc-txt h3{font-family:var(--disp);font-weight:800;font-size:1.7rem;letter-spacing:-.01em}
.svc-block .svc-txt .kicker{font-family:var(--mono);font-size:.76rem;color:var(--blue-deep);letter-spacing:.06em;text-transform:uppercase}
.svc-block .svc-txt ul{list-style:none;margin-top:16px;columns:2;column-gap:24px}
.svc-block .svc-txt li{position:relative;padding-left:20px;margin-bottom:8px;font-size:.94rem;color:var(--ink-soft);break-inside:avoid}
.svc-block .svc-txt li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--blue);transform:rotate(45deg)}
.svc-mini-gal{display:grid;grid-template-columns:1fr 1fr;gap:10px}

.page-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(800px 460px at 75% -10%,rgba(46,134,199,.2),transparent 60%),linear-gradient(180deg,var(--graphite),var(--graphite-2));padding:64px 0 58px}
.page-hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(2.3rem,4.6vw,3.5rem);letter-spacing:-.02em;line-height:1.04;margin:16px 0 0}
.page-hero .lead{color:var(--steel);font-size:1.1rem;margin-top:16px;max-width:580px}
.crumb{font-family:var(--mono);font-size:.78rem;color:var(--steel-d)}
.crumb a:hover{color:var(--blue-bright)}

/* ===================== ANIM ===================== */
@keyframes rise{to{opacity:1;transform:translateY(0)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes ping{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.85);opacity:0}}
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001s!important}
}

/* ===================== RESPONSIVE ===================== */
@media(max-width:1000px){
  .nav-links{gap:20px}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:60px 0 50px}
  .arch-card{max-width:480px;margin:0 auto}
  .why-grid{grid-template-columns:1fr;gap:36px}
  .grid-serv{grid-template-columns:repeat(2,1fr)}
  .proc{grid-template-columns:1fr}
  .caps-grid{grid-template-columns:repeat(2,1fr)}
  .strip-inner{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(2){border-right:0}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .contact-card{grid-template-columns:1fr;gap:26px;padding:30px}
  .svc-block,.svc-block:nth-child(even){direction:ltr;grid-template-columns:1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(18,23,27,.97);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .nav-links.show{max-height:640px}
  .nav-links a{padding:15px 24px;width:100%;border-bottom:1px solid var(--line)}
  .nav-item{flex-direction:column;align-items:stretch;width:100%}
  .nav-item>a{justify-content:space-between}
  .nav-item .caret{transform:rotate(180deg)}
  .dropdown{
    position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    margin:0;min-width:0;width:100%;background:rgba(46,134,199,.06);
    border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:6px 0;
  }
  .dropdown::before{display:none}
  .dropdown a{padding:13px 24px 13px 40px;border-radius:0}
  .dropdown .drop-all{margin-top:0;border-top:0;padding:13px 24px 13px 40px}
  .nav .socials{display:none}
  .burger{display:block}
  .nav-inner{gap:10px}
  .brand img{height:90px;max-width:46vw}
  .nav-cta{padding:9px 13px;font-size:.84rem}
  .section.dark .glow{width:300px;height:300px;right:-20%}
  .grid-serv{grid-template-columns:1fr}
  .caps-grid{grid-template-columns:1fr}
  .strip-inner{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid var(--line)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gal-tabs{gap:8px}
  .svc-block .svc-txt ul{columns:1}
  .emergency-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
}