/* ═══════════════════════════════════════════════════════════════════════
   SM ELÉTRICA INDAIÁ — Landing Page
   Arquitetura de conversão modelada sobre ltelektro.com.br.
   Marca, copy, paleta e imagens são da SM Elétrica.
   Stack: HTML + CSS + JS puro. Sem build, sem dependência.
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── FONTES PRÓPRIAS (subset latin, 161 glifos) ────────────────────── */
@font-face{font-family:'Barlow';font-style:normal;font-weight:900;font-display:swap;src:url(../fonts/barlow-900-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/dm-sans-400-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/dm-sans-500-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ─── TOKENS DE MARCA ─────────────────────────────────────────────────
   Extraídos do logotipo oficial (azul #0A4E8B, cobre #CB7B38).
   ------------------------------------------------------------------- */
:root{
  --brand:        #0B4C8C;   /* azul SM — institucional          */
  --brand-deep:   #0A2E52;   /* navy — fundos escuros            */
  --brand-darker: #072038;   /* navy mais fundo — rodapé         */
  --brand-light:  #29A2DC;   /* azul elétrico — detalhes         */
  --accent:       #E07C2C;   /* cobre — acento de destaque       */
  --accent-soft:  #F3A45E;

  --wa:           #25D366;
  --wa-dark:      #1DA851;

  --ink:          #16212B;
  --ink-2:        #47555F;
  --ink-3:        #8A97A2;
  --paper:        #FFFFFF;
  --paper-2:      #F4F7F9;
  --paper-3:      #E4EBF0;
  --line:         #DFE6EB;

  --ff-head: "Barlow", system-ui, sans-serif;
  --ff-body: "DM Sans", system-ui, sans-serif;

  --wrap: 1180px;
  --pad: 24px;
  --r: 14px;
  --shadow: 0 10px 34px rgba(10,46,82,.11);
  --hdr-h: 88px;
  --ease: cubic-bezier(.2,.7,.3,1);
}

/* ─── RESET ─────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 16px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--ff-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure,blockquote{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--accent);color:#fff;padding:12px 20px;font-weight:700}
.skip-link:focus{left:0}

/* ─── TIPOGRAFIA ────────────────────────────────────────────────────── */
.h2{
  font-family:var(--ff-head);font-weight:900;text-transform:uppercase;
  font-size:clamp(26px,3.4vw,40px);line-height:1.08;letter-spacing:-.015em;
  color:var(--brand-deep);text-wrap:balance;
}
.h2--inv{color:#fff}

/* ─── BOTÕES ────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;
  font:500 17px/1 var(--ff-body);white-space:nowrap;
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background-color .18s;
}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 6px 20px rgba(37,211,102,.28)}
.btn--wa:hover{background:var(--wa-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,211,102,.36)}
.btn--wa:active{transform:translateY(0)}
.btn--lg{padding:18px 34px;font-size:18px;font-weight:700}
.ico-wa{width:22px;height:22px;fill:currentColor;flex:none}

/* ─── HEADER (branco: o logotipo só existe sobre fundo claro) ───────── */
.hdr{
  position:fixed;inset:0 0 auto;z-index:60;height:var(--hdr-h);
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);
}
.hdr__in{height:100%;display:flex;align-items:center;gap:20px}
.hdr__logo{flex:none}
.hdr__logo img{height:60px;width:auto}
.hdr__nav{display:flex;gap:26px;margin-left:auto;font-size:15.5px;font-weight:500;color:var(--ink-2)}
.hdr__nav a{position:relative;padding-block:6px;transition:color .18s}
.hdr__nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.hdr__nav a:hover{color:var(--brand)}
.hdr__nav a:hover::after{transform:scaleX(1)}
.hdr__cta{padding:11px 20px;font-size:15px}
.hdr.is-stuck{box-shadow:0 6px 26px rgba(10,46,82,.13)}

/* ─── 1. HERO ───────────────────────────────────────────────────────── */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:calc(var(--hdr-h) + 64px) 0 78px;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(41,162,220,.20) 0%, rgba(41,162,220,0) 62%),
    linear-gradient(145deg, #0F3F6E 0%, var(--brand-deep) 48%, var(--brand-darker) 100%);
}
/* filete de cobre no rodapé da dobra */
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg, var(--accent) 0%, var(--brand-light) 100%);
}
.hero__in > *{min-width:0}
.hero__in{
  display:grid;grid-template-columns:1.06fr .94fr;
  gap:clamp(30px,4.5vw,66px);align-items:center;
}
.hero__eyebrow{
  font-size:13.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-soft);margin-bottom:18px;
}
.hero__h1{
  font-family:var(--ff-head);font-weight:900;text-transform:uppercase;
  font-size:clamp(32px,4.3vw,56px);line-height:1.03;letter-spacing:-.02em;
  color:#F7FAFC;text-wrap:balance;
}
.hero__h1 em{font-style:normal;color:var(--accent-soft)}
.hero__sub{margin-top:22px;max-width:50ch;font-size:clamp(16.5px,1.35vw,19px);color:rgba(255,255,255,.86)}
.hero .btn{margin-top:32px}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;font-size:15px;color:rgba(255,255,255,.75)}
.hero__trust li{display:flex;align-items:center;gap:9px}
.hero__trust li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);
  flex:none;box-shadow:0 0 0 4px rgba(224,124,44,.20);
}
.hero__media{position:relative}
.hero__media::before{           /* moldura de cobre deslocada */
  content:"";position:absolute;inset:18px -16px -16px 18px;
  border:2px solid var(--accent);border-radius:20px;opacity:.55;
}
.hero__media img{
  position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 8%;
  border-radius:18px;box-shadow:0 28px 70px rgba(0,0,0,.45);
}

/* ─── FAIXA DE COBERTURA ────────────────────────────────────────────── */
.cob{background:var(--brand-darker);border-bottom:1px solid rgba(255,255,255,.08)}
.cob__in{display:flex;align-items:center;gap:16px;padding-block:15px}
.cob__rot{
  flex:none;font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent-soft);
}
.cob__lista{
  display:flex;gap:9px;flex-wrap:wrap;flex:1;min-width:0;
  font-size:14px;color:rgba(255,255,255,.72);
}
.cob__lista li{
  padding:5px 13px;border-radius:999px;border:1px solid rgba(255,255,255,.16);white-space:nowrap;
}
.cob__lista .is-base{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}
.cob__mais{
  flex:none;font-size:13.5px;font-weight:700;color:var(--accent-soft);
  border-bottom:1px solid currentColor;padding-bottom:1px;
}
.cob__mais:hover{color:#fff}

/* ─── 2. POR QUE NÓS ────────────────────────────────────────────────── */
.why{display:grid;grid-template-columns:1fr 1.05fr;background:var(--brand-deep)}
.why__media{position:relative;min-height:500px}
.why__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 22%}
.why__panel{
  background-image:linear-gradient(150deg, var(--brand) 0%, var(--brand-deep) 72%);
  display:flex;align-items:center;
}
.why__panel-in{padding:clamp(40px,5.5vw,76px) clamp(24px,5vw,72px);max-width:660px}
.why__lead{margin-top:20px;font-size:clamp(17px,1.5vw,20px);color:rgba(255,255,255,.88)}
.why__list{margin-top:32px;display:grid;gap:17px}
.why__list li{position:relative;padding-left:34px;font-size:16px;color:rgba(255,255,255,.80);line-height:1.55}
.why__list strong{color:#fff;font-weight:700}
.why__list li::before{
  content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M9.6 16.2 5.4 12l-1.4 1.4 5.6 5.6L20.4 8.2 19 6.8z'/%3E%3C/svg%3E") center/13px no-repeat;
}

/* ─── 3. DEPOIMENTOS ────────────────────────────────────────────────── */
.tst{background:var(--paper-2);padding:clamp(56px,7vw,96px) 0}
.tst .h2{text-align:center;max-width:16ch;margin-inline:auto}
.tst__grid{margin-top:clamp(32px,4vw,52px);display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tst__card{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:34px 28px 30px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow);
}
.tst__card::before{
  content:"";position:absolute;top:0;left:28px;width:42px;height:3px;
  background:var(--accent);border-radius:0 0 3px 3px;
}
.tst__card blockquote{font-size:16px;line-height:1.62;color:var(--ink-2);flex:1}
.tst__card figcaption{border-top:1px solid var(--line);padding-top:18px}
.tst__card figcaption span{display:flex;flex-direction:column;line-height:1.35}
.tst__card figcaption strong{font-size:16px;color:var(--brand-deep)}
.tst__card figcaption small{font-size:13px;color:var(--ink-3)}

/* ─── 4. SERVIÇOS ───────────────────────────────────────────────────── */
.svc{padding:clamp(56px,7vw,96px) 0;background:var(--paper)}
.svc__head{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:clamp(32px,4vw,52px)}
.svc__head .h2{max-width:20ch}
.svc__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px 28px 34px;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card__ico{display:grid;place-items:center;width:52px;height:52px;border-radius:13px;background:var(--paper-3);margin-bottom:22px}
.card__ico svg{width:26px;height:26px;fill:var(--brand)}
.card:hover .card__ico{background:var(--brand-deep)}
.card:hover .card__ico svg{fill:var(--accent-soft)}
.card h3{font-family:var(--ff-head);font-weight:900;text-transform:uppercase;font-size:18px;line-height:1.2;margin-bottom:12px;color:var(--brand-deep)}
.card p{font-size:15.5px;line-height:1.6;color:var(--ink-2)}

/* ─── 5. OBRAS ──────────────────────────────────────────────────────── */
.obras{background:var(--paper-2);padding:clamp(56px,7vw,96px) 0}
.obras .h2{text-align:center}
.obras__lead{margin:16px auto 0;max-width:56ch;text-align:center;font-size:17px;color:var(--ink-2)}
.obras__grid{
  margin-top:clamp(32px,4vw,52px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.obras__grid li{border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.obra{
  position:relative;display:block;width:100%;padding:0;overflow:hidden;
  border-radius:12px;background:var(--brand-deep);cursor:zoom-in;
}
.obra img{
  width:100%;aspect-ratio:4/3;object-fit:cover;display:block;
  transition:transform .4s var(--ease), opacity .3s;
}
.obra::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(7,32,56,.86) 0%, rgba(7,32,56,.10) 52%, rgba(7,32,56,0) 100%);
  opacity:0;transition:opacity .3s;
}
.obra__leg{
  position:absolute;left:14px;right:14px;bottom:13px;z-index:2;
  font-size:13.5px;line-height:1.35;font-weight:500;color:#fff;text-align:left;
  opacity:0;transform:translateY(7px);transition:opacity .3s, transform .3s var(--ease);
}
.obra:hover img,.obra:focus-visible img{transform:scale(1.07)}
.obra:hover::after,.obra:focus-visible::after{opacity:1}
.obra:hover .obra__leg,.obra:focus-visible .obra__leg{opacity:1;transform:none}

/* ─── LIGHTBOX ──────────────────────────────────────────────────────── */
.lb{
  position:fixed;inset:0;z-index:120;display:grid;
  grid-template-columns:auto 1fr auto;align-items:center;gap:8px;
  padding:clamp(12px,3vw,40px);background:rgba(5,16,28,.94);
  backdrop-filter:blur(6px);
}
.lb[hidden]{display:none}
.lb__fig{display:grid;place-items:center;gap:14px;min-width:0;max-height:100%}
.lb__fig img{
  max-width:100%;max-height:calc(100vh - 150px);width:auto;height:auto;
  border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.lb__fig figcaption{font-size:15px;color:rgba(255,255,255,.80);text-align:center;max-width:52ch}
.lb__x{
  position:absolute;top:14px;right:16px;z-index:3;
  width:44px;height:44px;border-radius:50%;font-size:30px;line-height:1;
  color:#fff;background:rgba(255,255,255,.12);
}
.lb__x:hover{background:var(--accent)}
.lb__nav{
  width:52px;height:52px;border-radius:50%;font-size:34px;line-height:1;
  color:#fff;background:rgba(255,255,255,.12);flex:none;
}
.lb__nav:hover{background:var(--accent)}

/* ─── 6. CARRO-CHEFE ────────────────────────────────────────────────── */
.flag{background:var(--paper);padding:clamp(56px,7vw,96px) 0}
.flag__in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.flag__in > *{min-width:0}
.flag__txt p{margin-top:20px;font-size:clamp(16px,1.4vw,19px);color:var(--ink-2);max-width:52ch}
.flag__list{margin-top:26px;display:grid;gap:12px}
.flag__list li{position:relative;padding-left:30px;font-size:16px;color:var(--ink-2)}
.flag__list li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'%3E%3Cpath d='M9.6 16.2 5.4 12l-1.4 1.4 5.6 5.6L20.4 8.2 19 6.8z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.flag .btn{margin-top:34px}
.flag__media img{width:100%;height:auto;border-radius:var(--r);box-shadow:var(--shadow)}
.flag__media{align-self:center}
.flag--alt{background:var(--paper-2)}

/* ─── 7. ÁREAS ──────────────────────────────────────────────────────── */
.areas{background:var(--brand-deep);padding:clamp(52px,6vw,84px) 0;text-align:center}
.areas__lead{margin-top:16px;font-size:18px;color:rgba(255,255,255,.80)}
.areas__lead strong{color:var(--accent-soft)}
.areas__list{margin-top:32px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.areas__list li{
  padding:11px 22px;border-radius:999px;font-size:15.5px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.80);
}
.areas__list .is-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}
.areas__note{margin-top:28px;font-size:15px;color:rgba(255,255,255,.76)}

/* ─── FOOTER ────────────────────────────────────────────────────────── */
.ft{background:var(--brand-darker);color:#fff;padding:clamp(48px,6vw,72px) 0 0}
.ft__in{display:grid;grid-template-columns:1.05fr 1.6fr;gap:clamp(32px,5vw,60px);align-items:start}
.ft__brand img{height:86px;width:auto;margin-bottom:22px}
.ft__brand p{font-size:15px;line-height:1.6;color:rgba(255,255,255,.74);max-width:42ch}
.ft__info{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 28px}
.ft__info dt{font-size:12.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:9px}
.ft__info dd{font-size:15px;line-height:1.55;color:rgba(255,255,255,.72)}
.ft__info dd a{transition:color .18s}
.ft__info dd a:hover{color:var(--accent-soft)}
.ft__base{margin-top:clamp(36px,5vw,56px);padding-block:22px;border-top:1px solid rgba(255,255,255,.10)}
.ft__base small{font-size:13px;color:rgba(255,255,255,.66)}

/* ─── WHATSAPP FLUTUANTE ────────────────────────────────────────────── */
.fab{
  position:fixed;right:20px;bottom:20px;z-index:70;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:var(--wa);box-shadow:0 8px 26px rgba(37,211,102,.42);
  transition:transform .2s var(--ease);
}
.fab svg{width:32px;height:32px;fill:#fff}
.fab:hover{transform:scale(1.08)}

/* ═══ RESPONSIVO ════════════════════════════════════════════════════ */
@media (max-width:1100px){
  .hdr__nav{display:none}
}
@media (max-width:1024px){
  .hero__in{grid-template-columns:1fr;gap:38px}
  .hero__media{max-width:460px}
  .tst__grid,.svc__grid{grid-template-columns:repeat(2,1fr)}
  .obras__grid{grid-template-columns:repeat(3,1fr)}
  .why{grid-template-columns:1fr}
  .why__media{min-height:340px;order:-1}
  .flag__in{grid-template-columns:1fr}
  .flag__media{order:-1}
  .flag--alt .flag__media{order:0}
  .ft__in{grid-template-columns:1fr}
}
@media (max-width:760px){
  :root{--pad:20px;--hdr-h:74px}
  .cob__in{flex-wrap:wrap;gap:10px}
  .cob__lista{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
  .cob__lista::-webkit-scrollbar{display:none}
  .cob__mais{margin-left:auto}
  body{font-size:16px}
  .hdr__in{justify-content:space-between}
  .hdr__logo img{height:44px}
  .hdr__cta{padding:9px 15px;font-size:13.5px;gap:7px}
  .hdr__cta .ico-wa{width:18px;height:18px}
  .hero{padding:calc(var(--hdr-h) + 38px) 0 52px}
  .hero__in{grid-template-columns:1fr;gap:34px}
  .hero__media{max-width:420px;margin-inline:auto;width:100%}
  .hero__media::before{inset:14px -10px -10px 14px}
  .hero .btn{width:100%;justify-content:center}
  .hero__trust{gap:8px 18px;font-size:14px}
  .tst__grid,.svc__grid,.ft__info{grid-template-columns:1fr}
  .obras__grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .svc__head{flex-direction:column;align-items:flex-start;gap:20px}
  .svc__head .btn,.flag .btn{width:100%;justify-content:center}
  .card{padding:26px 22px 28px}
  .areas__list{gap:9px}
  .areas__list li{padding:9px 17px;font-size:14.5px}
  .fab{width:54px;height:54px;right:16px;bottom:16px}
}
@media (max-width:420px){
  .hero__h1{font-size:clamp(28px,8.4vw,36px)}
}



@media (max-width:760px){
  .lb{grid-template-columns:1fr;padding:12px}
  .lb__nav{position:absolute;bottom:18px;z-index:3}
  .lb__prev{left:22px}
  .lb__next{right:22px}
  .lb__fig img{max-height:calc(100vh - 190px)}
  .obra__leg{opacity:1;transform:none;font-size:12.5px}
  .obra::after{opacity:1}
}