/* ELTEC Solutions — Landing Page */
:root{
  --navy:#16222E; --navy-deep:#0B1826; --blue:#10649F; --blue-dark:#0E4A7B;
  --blue-light:#6FB8F2; --blue-pale:#8FC4EE; --cyan:#38C8F0; --green-dot:#3ED598;
  --bg-soft:#F5F9FC; --line:#E1ECF5; --line-input:#C9DFF1; --line-soft:#F1F6FA;
  --text-muted:#4A5D6E; --text-soft:#7B8A99; --text-on-dark:#C9DCEC; --text-on-blue:#D6E8F7;
  --wa:#25D366; --wa-hover:#1EBE5A;
  --font-display:'Space Grotesk',sans-serif; --font-body:'Inter',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--navy);font-family:var(--font-body);-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
img{max-width:100%}
input,select,button{font-family:inherit}
.container{max-width:1200px;margin:0 auto}

/* ---------- Botões ---------- */
.btn-wa{display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:#fff;font-weight:600;border-radius:12px;transition:all .2s}
.btn-wa:hover{background:var(--wa-hover);color:#fff;transform:translateY(-1px)}
.btn-wa--sm{font-size:14px;padding:11px 18px;border-radius:10px;box-shadow:0 6px 18px rgba(37,211,102,.3)}
.btn-wa--lg{gap:10px;font-weight:700;font-size:16px;padding:16px 28px;box-shadow:0 10px 30px rgba(37,211,102,.35)}
.btn-wa--lg:hover{transform:translateY(-2px)}
.btn-wa--md{font-size:15px;padding:13px 22px}
.btn-outline{display:inline-block;border:1px solid rgba(255,255,255,.28);color:#fff;font-weight:600;font-size:16px;padding:16px 28px;border-radius:12px;transition:all .2s}
.btn-outline:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-outline--invert{border-color:rgba(255,255,255,.3);padding:14px 24px;font-size:inherit}
.btn-outline--invert:hover{background:#fff;color:var(--navy)}

/* ---------- Tipografia de seção ---------- */
.section{padding:clamp(64px,8vw,110px) 24px}
.section--soft{background:var(--bg-soft)}
.section--white{background:#fff}
.eyebrow{font-family:var(--font-display);font-weight:500;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.eyebrow--light{color:var(--blue-light)}
.section-title{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,3.6vw,46px);line-height:1.08;letter-spacing:-.02em;margin:0 0 18px;text-wrap:balance}
.section-lead{font-size:17px;line-height:1.55;color:var(--text-muted);margin:0;text-wrap:pretty}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header__bar{padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header__logo{display:flex;align-items:center}
.header__logo img{height:34px;width:auto}
.header__actions{display:flex;align-items:center;gap:12px}
.nav-desktop{display:none;gap:32px;align-items:center;font-size:15px;font-weight:500}
.nav-desktop a{color:var(--navy)}
.nav-desktop a:hover{color:var(--blue)}
.menu-toggle{background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--navy)}
.nav-mobile{display:none;flex-direction:column;border-top:1px solid var(--line);padding:8px 24px 16px;background:#fff}
.nav-mobile.is-open{display:flex}
.nav-mobile a{color:var(--navy);padding:14px 0;font-weight:500;border-bottom:1px solid var(--line-soft)}
.nav-mobile a:last-child{border-bottom:none}
@media(min-width:1080px){
  .nav-desktop{display:flex}
  .menu-toggle,.nav-mobile,.nav-mobile.is-open{display:none}
}

/* ---------- Hero ---------- */
.hero{background:#0B1826;color:#fff;position:relative;overflow:hidden}
.hero__grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(111,184,242,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(111,184,242,.07) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 70%);mask-image:radial-gradient(ellipse at 70% 40%,#000 20%,transparent 70%)}
.hero__inner{padding:clamp(88px,12vw,150px) 24px clamp(80px,10vw,130px);position:relative;min-height:min(78vh,720px);display:flex;align-items:center}
.hero__content{max-width:600px;text-shadow:0 2px 24px rgba(11,24,38,.6)}
.hero__shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(11,24,38,.7) 0%,rgba(11,24,38,0) 30%),linear-gradient(90deg,#0B1826 0%,#0B1826 24%,rgba(11,24,38,.86) 40%,rgba(11,24,38,.35) 60%,rgba(11,24,38,0) 78%)}
.hero__badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(111,184,242,.4);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--blue-pale);margin-bottom:26px}
.hero__badge-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.hero__title{font-family:var(--font-display);font-weight:700;font-size:clamp(38px,5.2vw,68px);line-height:1.02;letter-spacing:-.025em;margin:0 0 22px;text-wrap:balance}
.hero__text{font-size:clamp(16px,1.4vw,19px);line-height:1.55;color:var(--text-on-dark);margin:0 0 36px;max-width:560px;text-wrap:pretty}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero__video{position:absolute;top:0;right:0;bottom:0;width:max(74%,640px);background:#122231}
.hero__ring{position:absolute;border-radius:50%}
.hero__ring--inner{inset:8%;border:1px solid rgba(111,184,242,.35)}
.hero__ring--outer{inset:-4%;border:1px solid rgba(111,184,242,.18)}
.hero__pulse{position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle,rgba(56,200,240,.45),transparent 70%);filter:blur(18px);animation:eltecPulse 4s ease-in-out infinite}
.hero__card{position:absolute;inset:16%;border-radius:28px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45);background:linear-gradient(145deg,#0E4A7B,#10649F);display:flex;align-items:center;justify-content:center}
.hero__card img{width:58%;height:auto;opacity:.95;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.hero__status{position:absolute;left:4%;bottom:10%;background:rgba(11,24,38,.85);backdrop-filter:blur(8px);border:1px solid rgba(111,184,242,.3);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:12px}
.hero__status-dot{width:10px;height:10px;border-radius:50%;background:var(--green-dot);box-shadow:0 0 10px var(--green-dot)}
.hero__status-label{font-size:11px;color:var(--blue-pale);letter-spacing:.08em;text-transform:uppercase}
.hero__status-value{font-size:14px;font-weight:600}
@keyframes eltecPulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:.7;transform:scale(1.06)}}

/* ---------- Soluções ---------- */
.solucoes__head{max-width:640px;margin-bottom:48px}
.solucoes__head .section-title{margin-bottom:16px}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px}
.segment-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 28px;transition:all .25s}
.segment-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(16,100,159,.14);border-color:var(--blue-pale)}
.icon-box{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#E8F1F9,#D6E8F7);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:22px}
.icon-box--sm{width:48px;height:48px;border-radius:12px;margin-bottom:0}
.card-title{font-family:var(--font-display);font-weight:700;font-size:21px;margin:0 0 10px;letter-spacing:-.01em}
.card-text{font-size:15px;line-height:1.55;color:var(--text-muted);margin:0;text-wrap:pretty}

/* ---------- Quem somos ---------- */
.quem-somos{background:var(--navy);color:#fff}
.quem-somos__inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:56px;align-items:start}
.quem-somos .section-lead{color:var(--text-on-dark);margin-bottom:32px}
.feature-list{display:flex;flex-direction:column;gap:16px}
.feature{display:flex;gap:20px;padding:24px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(111,184,242,.18);transition:all .25s}
.feature:hover{background:rgba(255,255,255,.08);border-color:rgba(111,184,242,.45)}
.feature__icon{flex:none;width:48px;height:48px;border-radius:12px;background:rgba(56,200,240,.12);display:flex;align-items:center;justify-content:center;color:var(--cyan)}
.feature__title{font-family:var(--font-display);font-size:19px;font-weight:700;margin:0 0 6px}
.feature__text{margin:0;font-size:15px;line-height:1.5;color:var(--text-on-dark)}

/* ---------- Números ---------- */
.numeros{background:var(--blue);color:#fff;padding:clamp(48px,6vw,80px) 24px}
.numeros__inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:32px;text-align:center}
.numero__valor{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,5vw,60px);letter-spacing:-.03em;line-height:1}
.numero__label{font-size:15px;color:var(--text-on-blue);margin-top:10px}

/* ---------- Sistemas ---------- */
.sistemas__head{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:40px 56px;align-items:end;margin-bottom:48px}
.sistemas__head .section-title{margin:0}
.sistemas__head .section-lead{margin-bottom:20px}
.partner-badge{display:inline-flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px}
.partner-badge__label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft);font-weight:600}
.partner-badge__sep{width:1px;height:20px;background:var(--line)}
.partner-badge__name{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--navy)}
.partner-badge__name:hover{color:var(--blue)}
.sistemas__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,520px),1fr));gap:20px}
.sistemas__pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}
.system-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px;display:flex;flex-direction:column;gap:14px}
.system-card .card-title{font-size:20px;margin:0}
.sistemas__cta{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;border-radius:18px;background:var(--navy);color:#fff}
.sistemas__cta p{margin:0;font-size:16px;line-height:1.5;color:var(--text-on-dark);max-width:640px}

/* ---------- Contato ---------- */
.contato__inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:56px;align-items:center}
.contato .section-lead{margin-bottom:28px}
.contact-links{display:flex;flex-direction:column;gap:12px;font-size:16px}
.contact-link{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:600}
.contact-link:hover{color:var(--blue)}
.contact-link__icon{width:38px;height:38px;border-radius:10px;background:#E8F1F9;display:flex;align-items:center;justify-content:center;color:var(--blue)}
.form{background:var(--bg-soft);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:18px}
.form__success{display:none;background:#E6F7EF;border:1px solid #9BDFC0;color:#0F5A38;border-radius:14px;padding:16px 18px;font-size:15px;font-weight:500}
.form__success.is-visible{display:block}
.form__label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;color:var(--navy)}
.form__field{border:1px solid var(--line-input);border-radius:12px;padding:14px 16px;font-size:16px;background:#fff;outline:none;color:var(--navy);transition:border .2s}
.form__field:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(16,100,159,.15)}
.form__row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:18px}
.form__submit{margin-top:6px;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--wa);color:#fff;border:none;font-weight:700;font-size:16px;padding:16px 24px;border-radius:12px;cursor:pointer;transition:all .2s;box-shadow:0 10px 26px rgba(37,211,102,.3)}
.form__submit:hover{background:var(--wa-hover);transform:translateY(-2px)}
.form__note{margin:0;font-size:12px;color:var(--text-soft);text-align:center}

/* ---------- Footer ---------- */
.footer{background:var(--navy-deep);color:var(--text-on-dark);padding:56px 24px 28px}
.footer__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:40px}
.footer__logo{height:34px;width:auto;margin-bottom:18px}
.footer__about{margin:0;font-size:14px;line-height:1.6;max-width:280px}
.footer__title{font-family:var(--font-display);font-weight:700;color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.footer__links{display:flex;flex-direction:column;gap:10px;font-size:15px}
.footer__links a{color:var(--text-on-dark)}
.footer__links a:hover{color:#fff}
.footer__social{display:flex;gap:12px}
.social-btn{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:#fff;transition:all .2s}
.social-btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.footer__bottom{margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--text-soft);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

/* ---------- Marcas ---------- */
.marcas{padding-top:clamp(56px,6vw,80px);padding-bottom:clamp(56px,6vw,80px);border-bottom:1px solid var(--line)}
.marcas__head{text-align:center;margin-bottom:36px}
.marcas__title{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,2.2vw,28px);letter-spacing:-.01em;color:var(--navy);margin:0;text-wrap:balance}
.marcas__grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.marca{flex:1 1 170px;max-width:220px;height:96px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;padding:18px 24px;overflow:hidden}
.marca__img{max-width:100%;max-height:44px;width:auto;height:auto;object-fit:contain}
.marca__img--hikvision{max-height:none;width:118%;max-width:none}
.marca__img--intelbras{max-height:none;width:130%;max-width:none}
.marca__img--tplink{max-height:none;height:88px;max-width:none;width:auto}

/* ---------- Portfólio ---------- */
.port__head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:24px;margin-bottom:40px}
.port__head .section-title{margin:0;max-width:640px}
.port__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr));grid-auto-rows:220px;grid-auto-flow:dense;gap:16px}
.port-item{margin:0;position:relative;border-radius:18px;overflow:hidden;background:var(--bg-soft) repeating-linear-gradient(135deg,transparent 0 14px,rgba(16,100,159,.05) 14px 28px);border:1px solid var(--line)}
.port-item--big{grid-column:1/-1;grid-row:span 2}
.port-item img{width:100%;height:100%;object-fit:cover;display:block}
.port-item figcaption{position:absolute;left:14px;bottom:14px;background:rgba(11,24,38,.82);color:#fff;font-size:13px;font-weight:600;padding:7px 12px;border-radius:999px}

/* ---------- Redes ---------- */
.redes{background:var(--bg-soft)}
.redes__inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:48px 64px;align-items:center}
.redes__links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.rede-link{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);border-radius:12px;color:var(--navy);font-weight:600;font-size:15px;transition:all .2s}
.rede-link:hover{border-color:var(--blue);color:var(--blue)}
.redes__embed{display:flex;justify-content:center}
.redes__embed .instagram-media{margin:0 auto!important}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(37,211,102,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08);color:#fff}

.nav-desktop a,.btn-wa{white-space:nowrap}