/* Pro Electrician — design system
   Palette sampled from the brand mark: #0c78c0 blue, #e43024 red.
   Hand-written. No framework, no Elementor, no icon fonts. */

:root{
  --ink:#0a1726; --ink-2:#17293d; --body:#44586e; --muted:#6b8099;
  --brand:#0c78c0; --brand-deep:#1860a8; --brand-dark:#0a4d85;
  --brand-wash:#eaf4fc; --accent:#e43024; --wa:#25d366; --wa-deep:#128c7e;
  --surface:#fff; --surface-2:#f5f8fc; --surface-3:#eef3f9;
  --line:#dde6f0; --line-soft:#edf2f8;
  --radius:18px; --radius-sm:12px; --radius-lg:26px;
  --shadow:0 1px 2px rgba(10,23,38,.04),0 8px 24px -12px rgba(10,23,38,.14);
  --shadow-lg:0 24px 60px -24px rgba(10,23,38,.3),0 2px 6px rgba(10,23,38,.05);
  --wrap:1180px; --gut:clamp(1.15rem,4vw,2rem);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --display:"Sora","Inter",-apple-system,BlinkMacSystemFont,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--sans);font-size:1.0625rem;line-height:1.68;color:var(--body);
  background:var(--surface);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:var(--brand-deep);text-underline-offset:3px;text-decoration-thickness:1px}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.14;
  letter-spacing:-.025em;font-weight:700;text-wrap:balance}
h1{font-size:clamp(2rem,1.45rem + 2.4vw,3.25rem);letter-spacing:-.032em;max-width:19ch}
h2{font-size:clamp(1.55rem,1.15rem + 1.6vw,2.3rem)}
h3{font-size:clamp(1.12rem,1rem + .5vw,1.35rem);letter-spacing:-.018em}
p{text-wrap:pretty}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.narrow{max-width:50rem}
.sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ─ buttons ─ */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--sans);
  font-weight:650;font-size:.975rem;line-height:1;padding:.95rem 1.5rem;
  border-radius:100px;border:1.5px solid transparent;cursor:pointer;
  text-decoration:none;transition:transform .18s,box-shadow .18s,background .18s,color .18s;
  white-space:nowrap}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn-wa{background:var(--wa);color:#04281a;box-shadow:0 10px 24px -10px rgba(37,211,102,.75)}
.btn-wa:hover{background:#1ec15c;box-shadow:0 16px 32px -12px rgba(37,211,102,.85)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(12,120,192,.85)}
.btn-primary:hover{background:var(--brand-deep)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep)}
.btn-sm{padding:.7rem 1.15rem;font-size:.9rem}

/* ─ header ─ */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
.hdr.stuck{border-bottom-color:var(--line-soft);box-shadow:0 4px 20px -14px rgba(10,23,38,.4)}
.hdr-in{display:flex;align-items:center;gap:1.25rem;
  min-height:var(--hdr-h,92px);transition:min-height .25s}
.hdr.stuck .hdr-in{--hdr-h:74px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex:none}
.brand img{width:auto;height:var(--logo-h,74px);transition:height .25s}
.hdr.stuck .brand img{--logo-h:56px}

.nav{display:none;margin-left:auto;align-items:center;gap:.25rem}
.nav a{font-size:.95rem;font-weight:550;color:var(--ink-2);text-decoration:none;
  padding:.55rem .78rem;border-radius:9px;transition:color .15s,background .15s}
.nav a:hover,.nav a[aria-current]{color:var(--brand-deep);background:var(--brand-wash)}
.hdr-cta{display:none;margin-left:.5rem}
@media (min-width:1000px){.nav,.hdr-cta{display:flex}}
.burger{margin-left:auto;display:grid;place-items:center;width:46px;height:46px;
  border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer}
.burger span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;
  position:relative;transition:transform .22s,opacity .22s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:19px;
  height:2px;background:var(--ink);border-radius:2px;transition:transform .22s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded=true] span{transform:rotate(45deg)}
.burger[aria-expanded=true] span::before{transform:rotate(-90deg) translateX(6px)}
.burger[aria-expanded=true] span::after{opacity:0}
@media (min-width:1000px){.burger{display:none}}
.drawer{display:none;border-top:1px solid var(--line-soft);background:var(--surface);
  padding:.6rem var(--gut) 1.25rem}
.drawer.open{display:block}
.drawer a{display:block;padding:.85rem .25rem;font-weight:550;color:var(--ink-2);
  text-decoration:none;border-bottom:1px solid var(--line-soft)}
.drawer .btn{margin-top:1rem;width:100%;justify-content:center}
@media (min-width:1000px){.drawer{display:none!important}}

/* ─ hero ─ */
.hero{position:relative;background:var(--ink);color:#cfe0ef;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;
  background:radial-gradient(70rem 36rem at 72% -12%,rgba(12,120,192,.5),transparent 62%),
             radial-gradient(44rem 30rem at 4% 108%,rgba(228,48,36,.18),transparent 66%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:62px 62px;
  mask-image:radial-gradient(70% 60% at 50% 30%,#000,transparent)}
.hero-in{display:grid;gap:clamp(2.2rem,5vw,4rem);
  padding-block:clamp(2.8rem,6vw,5.2rem) clamp(3rem,7vw,5.6rem)}
@media (min-width:980px){.hero-in{grid-template-columns:1fr .98fr;align-items:center}}
.hero h1{color:#fff}
.hero .lede{font-size:clamp(1.03rem,.98rem + .3vw,1.18rem);color:#b4cade;
  margin-top:1.2rem;max-width:36rem}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.775rem;
  font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor;border-radius:2px}
.hero .eyebrow{color:#7cc3f3;margin-bottom:1.1rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.85rem}
.hero-tags{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin-top:2.1rem;
  padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.12);list-style:none;padding-left:0}
.hero-tags li{display:flex;align-items:center;gap:.55rem;font-size:.9rem;
  font-weight:550;color:#a9c4da}
.hero-tags svg{width:1.05rem;height:1.05rem;color:var(--wa);flex:none}
/* photo composition */
.hero-art{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:.85rem}
.hero-art figure{margin:0;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-lg);background:#132234}
.hero-art img{width:100%;height:100%;object-fit:cover}
.hero-art .tall{grid-row:span 2;aspect-ratio:3/4.3}
.hero-art .wide{aspect-ratio:4/3}
@media (min-width:980px){.hero-art{transform:translateY(.4rem)}}
.chip-float{position:absolute;left:-.4rem;bottom:1.6rem;z-index:3;display:flex;
  align-items:center;gap:.7rem;background:rgba(255,255,255,.97);color:var(--ink);
  padding:.72rem 1.05rem;border-radius:100px;box-shadow:var(--shadow-lg);
  font-size:.875rem;font-weight:650;font-family:var(--display);letter-spacing:-.01em}
.chip-float svg{width:1.4rem;height:1.4rem;color:var(--wa);flex:none}

/* ─ page head (inner pages) ─ */
.phead{background:var(--ink);color:#b9cfe2;position:relative;isolation:isolate;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(56rem 28rem at 78% -20%,rgba(12,120,192,.45),transparent 64%)}
.phead-in{padding-block:clamp(2.1rem,5vw,3.4rem) clamp(2.3rem,5vw,3.6rem)}
.phead-in>*{max-width:54rem}
.phead h1{color:#fff}
.phead p{color:#a9c4da;margin-top:1rem;font-size:1.06rem;max-width:44rem}
.phead .hero-cta{margin-top:1.6rem}
.crumbs{display:flex;flex-wrap:wrap;gap:.45rem;font-size:.825rem;margin-bottom:1.15rem;
  color:#7d9bb5;list-style:none;padding:0}
.crumbs a{color:#9fc0da;text-decoration:none}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs li+li::before{content:"/";margin-right:.45rem;color:#4f6f8c}

/* ─ sections ─ */
.sec{padding-block:clamp(3.2rem,7vw,5.6rem)}
.sec-alt{background:var(--surface-2);border-block:1px solid var(--line-soft)}
.sec-head{max-width:46rem;margin-bottom:clamp(2rem,4vw,3rem)}
.sec-head p{margin-top:1.05rem;font-size:1.06rem}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* prose */
.prose>*+*{margin-top:1.15rem}
.prose h2{margin-top:2.6rem}
.prose h3{margin-top:2rem}
.prose ul,.prose ol{padding-left:1.15rem;display:grid;gap:.6rem}
.prose li{padding-left:.3rem}
.prose li::marker{color:var(--brand)}
.prose figure{margin:2.2rem 0;border-radius:var(--radius);overflow:hidden}
.prose figcaption{font-size:.875rem;color:var(--muted);padding-top:.7rem;text-align:center}
.prose strong{color:var(--ink-2);font-weight:650}
.lead{font-size:1.19rem;line-height:1.6;color:var(--ink-2)}

.split{display:grid;gap:clamp(1.8rem,4vw,3.4rem);align-items:center}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr}
  .split.rev>figure{order:2}}
.split figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}

/* cards */
.grid{display:grid;gap:1.15rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,19rem),1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c9d9e9}
.card>img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-b{padding:1.35rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.card-b p{font-size:.975rem}
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover{color:var(--brand-deep)}
.card time{font-size:.8rem;color:var(--muted);font-weight:550;letter-spacing:.02em}

/* bento — "why us" */
.bento{display:grid;gap:1.15rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr))}
.bento .cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.75rem}
.bento .cell:first-child{background:linear-gradient(150deg,var(--brand-deep),var(--ink));
  border-color:transparent;color:#bcd6ea}
.bento .cell:first-child h3{color:#fff}
.icon-chip{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-wash);color:var(--brand-deep);flex:none}
.icon-chip svg{width:1.45rem;height:1.45rem}
.bento .cell:first-child .icon-chip{background:rgba(255,255,255,.14);color:#fff}

/* steps */
.steps{display:grid;gap:1.6rem;counter-reset:step;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}
.step{position:relative;counter-increment:step;padding-top:3.6rem}
.step::before{content:counter(step,decimal-leading-zero);position:absolute;top:0;left:0;
  width:2.9rem;height:2.9rem;border-radius:50%;display:grid;place-items:center;
  font-family:var(--display);font-weight:700;font-size:.95rem;color:#fff;
  background:var(--brand);box-shadow:0 0 0 6px var(--brand-wash);z-index:2}
.step::after{content:"";position:absolute;top:1.45rem;left:2.9rem;right:-1.6rem;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 14px)}
.step:last-child::after{display:none}
@media (max-width:52rem){.step::after{display:none}}
.step h3{margin-bottom:.5rem}
.step p{font-size:.975rem}

/* gallery */
.gal{display:grid;gap:.85rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr))}
.gal img{border-radius:var(--radius-sm);aspect-ratio:1;object-fit:cover;width:100%;
  transition:transform .3s}
.gal a,.gal figure{overflow:hidden;border-radius:var(--radius-sm);margin:0;display:block}
.gal img:hover{transform:scale(1.045)}

/* area chips */
.areas{display:grid;gap:2rem}
@media (min-width:860px){.areas{grid-template-columns:1fr 1fr}}
.area-h{font-family:var(--display);font-weight:700;color:var(--ink);font-size:1.05rem;
  display:flex;align-items:center;gap:.6rem;margin-bottom:1.1rem;
  padding-bottom:.85rem;border-bottom:1px solid var(--line)}
.area-h svg{width:1.15rem;height:1.15rem;color:var(--brand)}
.area-h a{color:inherit;text-decoration:none;border-bottom:2px solid var(--brand-wash);
  transition:border-color .16s,color .16s}
.area-h a:hover{color:var(--brand-deep);border-bottom-color:var(--brand)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0}
.chips a{display:inline-block;font-size:.9rem;font-weight:550;padding:.5rem .95rem;
  border-radius:100px;background:var(--surface);border:1px solid var(--line);
  color:var(--ink-2);text-decoration:none;transition:.16s}
.chips a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px)}

/* faq */
.faq{display:grid;gap:.7rem;max-width:52rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden}
.faq details[open]{border-color:#c2d7ea;box-shadow:var(--shadow)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.15rem 1.3rem;cursor:pointer;font-family:var(--display);font-weight:650;
  color:var(--ink);font-size:1.02rem;letter-spacing:-.015em;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:1.4rem;height:1.4rem;border-radius:50%;
  background:var(--brand-wash) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a4d85' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/.85rem no-repeat;
  transition:transform .22s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 1.3rem 1.3rem;font-size:.995rem}

/* cta band */
.cta{position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(135deg,var(--brand-dark),var(--brand) 55%,#1a8fd8);color:#e8f4fd}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.14;
  background-image:radial-gradient(circle at 1px 1px,#fff 1px,transparent 0);background-size:22px 22px}
.cta-in{padding-block:clamp(2.8rem,6vw,4.4rem);display:grid;gap:1.8rem;align-items:center}
@media (min-width:900px){.cta-in{grid-template-columns:1.35fr auto}}
.cta h2{color:#fff}
.cta p{margin-top:.9rem;color:#d3e9f9;max-width:40rem}
.cta .btns{display:flex;flex-wrap:wrap;gap:.75rem}

/* footer */
.ftr{background:var(--ink);color:#8fabc4;padding-block:clamp(2.8rem,6vw,4rem) 0;font-size:.95rem}
.ftr-grid{display:grid;gap:2.2rem;padding-bottom:2.6rem}
@media (min-width:760px){.ftr-grid{grid-template-columns:1.4fr 1fr 1.25fr 1.15fr}}
.ftr h4{color:#fff;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;
  margin-bottom:1.1rem;font-weight:700}
.ftr ul{list-style:none;padding:0;display:grid;gap:.6rem}
.ftr .cols ul{grid-template-columns:1fr 1fr;gap:.6rem 1.2rem}
.ftr a{color:#a8c3da;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr-brand img{height:92px;width:auto;background:#fff;border-radius:14px;padding:8px 12px}
.ftr-brand p{margin-top:1.1rem;max-width:26rem;font-size:.93rem}
.ftr dl{display:grid;gap:.55rem;margin:0}
.ftr dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:#6b89a5}
.ftr dd{margin:0 0 .5rem;color:#c3d7e8}
.ftr-bar{border-top:1px solid rgba(255,255,255,.1);padding-block:1.4rem;
  display:flex;flex-wrap:wrap;gap:.8rem 1.5rem;justify-content:space-between;
  font-size:.86rem;color:#6f8ca7}
.ftr-bar a{color:#8fabc4}

/* floating whatsapp (mobile) */
.fab{position:fixed;right:1rem;bottom:1rem;z-index:70;display:flex;align-items:center;
  gap:.55rem;background:var(--wa);color:#04281a;font-weight:700;font-size:.925rem;
  padding:.85rem 1.25rem;border-radius:100px;text-decoration:none;
  box-shadow:0 14px 34px -10px rgba(4,40,26,.55);
  transition:transform .18s,box-shadow .18s,background .18s}
.fab svg{width:1.3rem;height:1.3rem}
.fab:hover{background:#1ec15c;transform:translateY(-2px);box-shadow:0 18px 40px -10px rgba(4,40,26,.6)}
@media (min-width:1000px){.fab{right:1.6rem;bottom:1.6rem;padding:.95rem 1.45rem;font-size:.975rem}
  .fab svg{width:1.4rem;height:1.4rem}}

/* article */
.art{display:grid;gap:clamp(2rem,5vw,3.5rem)}
@media (min-width:1040px){.art{grid-template-columns:minmax(0,1fr) 16rem}}
.art-body{max-width:44rem;font-size:1.085rem}
.art-body h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.95rem)}
.toc{position:sticky;top:7rem;align-self:start;font-size:.9rem;display:none}
@media (min-width:1040px){.toc{display:block}}
.toc h4{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  margin-bottom:.9rem;font-weight:700;font-family:var(--sans)}
.toc ol{list-style:none;padding:0;display:grid;gap:.1rem;
  border-left:2px solid var(--line)}
.toc a{display:block;padding:.42rem 0 .42rem .95rem;margin-left:-2px;color:var(--body);
  text-decoration:none;border-left:2px solid transparent;line-height:1.4}
.toc a:hover{color:var(--brand-deep);border-left-color:var(--brand)}
.meta{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;font-size:.875rem;
  color:#9fc0da;margin-top:1.2rem}
.meta svg{width:1rem;height:1rem;vertical-align:-2px;margin-right:.3rem}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.22,1,.36,1),
  transform .6s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}