/* ===========================================================
   Sr. Telecom — Landing page
   Paleta da marca (segmento TI): Vermelho #FF0000 + Preto #000
   Fontes: Quicksand (títulos/marca) · Mulish (corpo)
   =========================================================== */

:root{
  --red:#FF0000;
  --red-dark:#cc0000;
  --black:#0a0a0a;
  --ink:#15171c;
  --white:#ffffff;
  --gray:#6b7280;
  --gray-light:#eaeaea;
  --bg-soft:#f5f6f8;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --shadow-lg:0 20px 50px rgba(0,0,0,.18);
  --maxw:1140px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:'Mulish',system-ui,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Quicksand',sans-serif;line-height:1.15;letter-spacing:-.01em}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  font-family:'Quicksand',sans-serif;font-weight:700;font-size:1rem;
  padding:.8rem 1.4rem;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,color .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--lg{padding:1rem 1.9rem;font-size:1.08rem}
.btn--wa{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(255,0,0,.3)}
.btn--wa:hover{background:var(--red-dark);box-shadow:0 12px 26px rgba(255,0,0,.4)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--dark{background:var(--black);color:#fff}
.btn--dark:hover{background:#000}
.ico-wa{width:20px;height:20px;fill:currentColor;flex:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(10,10,10,.85);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}

/* Lockup da marca (foguete + wordmark) */
.brand{display:inline-flex;align-items:center;gap:.65rem}
.brand__logo{height:52px;width:auto;flex:none}
.brand__name{display:flex;flex-direction:column;font-family:'Quicksand',sans-serif;font-weight:700;font-size:1.4rem;color:#fff;line-height:1}
.brand__name small{font-weight:600;font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:#b9bcc4;margin-top:3px}
.brand--lg .brand__logo{height:70px}
.brand--lg .brand__name{font-size:1.7rem}
.brand--lg .brand__name small{font-size:.62rem}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav__link{color:#e7e7e7;font-weight:600;font-size:.97rem;position:relative;padding:.3rem 0}
.nav__link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:width .25s var(--ease)}
.nav__link:hover{color:#fff}
.nav__link:hover::after{width:100%}
.nav__cta{padding:.6rem 1.1rem;font-size:.95rem}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:#fff;border-radius:3px;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--black);color:#fff;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 80% 10%,rgba(255,0,0,.35),transparent 45%),
    radial-gradient(circle at 10% 90%,rgba(255,0,0,.18),transparent 40%);
}
.hero__bg::after{ /* padrão sutil de pontos */
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;
}
.hero__inner{position:relative;padding:7rem 22px 6.5rem;text-align:center;max-width:920px;margin:0 auto}
.hero__eyebrow{
  display:inline-block;font-family:'Quicksand',sans-serif;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;font-size:.78rem;color:#fff;background:var(--red);
  padding:.4rem .9rem;border-radius:999px;margin-bottom:1.4rem;
}
.hero__title{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:700;margin-bottom:1.2rem}
.hero__title .hl{color:var(--red)}
.hero__lead{font-size:clamp(1.05rem,2.4vw,1.3rem);color:#cfd2d8;max-width:680px;margin:0 auto 2.2rem}
.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero__trust{margin-top:2.4rem;display:flex;gap:.6rem;align-items:center;justify-content:center;flex-wrap:wrap;color:#b9bcc4;font-size:.95rem}
.stars{color:#ffc107;letter-spacing:2px}

/* ---------- Seções ---------- */
.section{padding:5.5rem 0}
.section--alt{background:var(--bg-soft)}
.section__title{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:700;text-align:center;color:var(--ink)}
.section__title .dot,.section__title .hl{color:var(--red)}
.section__sub{text-align:center;color:var(--gray);max-width:620px;margin:.9rem auto 2.8rem;font-size:1.08rem}

.grid{display:grid;gap:1.4rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* Cards "para você que" */
.card{background:#fff;border:1px solid #ececec;border-radius:var(--radius);padding:2rem 1.6rem;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card__ic{font-size:2.2rem;margin-bottom:.8rem}
.card h3{font-size:1.2rem;margin-bottom:.4rem}
.card p{color:var(--gray)}

/* Serviços */
.service{position:relative;background:#fff;border-radius:var(--radius);padding:2rem 1.7rem;border:1px solid #ececec;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s}
.service::before{content:"";position:absolute;left:0;top:0;height:100%;width:5px;background:var(--red);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
.service:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service:hover::before{transform:scaleY(1)}
.service h3{font-size:1.18rem;margin-bottom:.5rem;color:var(--ink)}
.service p{color:var(--gray)}

/* Cobertura / mapa */
.coverage{background:var(--black);color:#fff;overflow:hidden}
.coverage .section__title,.coverage .section__sub{text-align:left;margin-left:0}
.coverage .section__title{color:#fff}
.coverage .section__sub{color:#c7cad1}
.coverage__inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.coverage__map{position:relative}
.map-video{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-lg);background:#111}

/* Equipe */
.team{display:flex;flex-wrap:wrap;justify-content:center;gap:1.4rem}
.team .member{width:210px;max-width:100%}
.member{text-align:center;background:#fff;border:1px solid #ececec;border-radius:var(--radius);padding:2rem 1rem;box-shadow:var(--shadow);transition:transform .25s var(--ease)}
.member:hover{transform:translateY(-6px)}
.member__avatar{
  width:84px;height:84px;border-radius:50%;margin:0 auto 1rem;display:grid;place-items:center;
  font-family:'Quicksand',sans-serif;font-weight:700;font-size:1.6rem;color:#fff;
  background:linear-gradient(135deg,var(--red),#7a0000);
}
.member h3{font-size:1.1rem}
.member p{color:var(--gray);font-size:.95rem}

/* Depoimentos */
.review{background:#fff;border:1px solid #ececec;border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.7rem}
.review p{color:var(--ink);font-style:italic}
.review cite{color:var(--gray);font-style:normal;font-weight:700;font-family:'Quicksand',sans-serif}
.review--cta{background:linear-gradient(135deg,#15171c,#000);color:#fff;justify-content:center;align-items:flex-start;gap:1.1rem}
.review--cta p{color:#fff;font-style:normal;font-size:1.15rem;font-family:'Quicksand',sans-serif;font-weight:600}

/* CTA final */
.cta-final{background:var(--red);color:#fff;text-align:center}
.cta-final__inner{padding:4.5rem 22px}
.cta-final h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin-bottom:.6rem}
.cta-final p{font-size:1.1rem;margin-bottom:1.8rem;opacity:.95}

/* Footer */
.footer{background:var(--black);color:#cfd2d8}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;padding:3.5rem 22px 2.5rem}
.footer__brand .brand{margin-bottom:1rem}
.footer__brand p{max-width:320px;color:#9aa0aa}
.footer__col h4{color:#fff;font-size:1.05rem;margin-bottom:.9rem}
.footer__col ul{list-style:none}
.footer__col li{margin-bottom:.55rem}
.footer__col a:hover{color:var(--red)}
.footer__bar{border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;font-size:.9rem;color:#8a909a}

/* Botão flutuante WhatsApp */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.3);
  transition:transform .2s var(--ease);
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:34px;height:34px;fill:#fff}

/* Animação de entrada */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsivo ---------- */
@media (max-width:900px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .coverage__inner{grid-template-columns:1fr;gap:2rem}
  .coverage .section__title,.coverage .section__sub{text-align:center;margin-left:auto;margin-right:auto}
}
@media (max-width:760px){
  .nav{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(10,10,10,.98);padding:1rem 0;
    transform:translateY(-120%);transition:transform .35s var(--ease);
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav.is-open{transform:translateY(0)}
  .nav__link{padding:.9rem 22px;width:100%;font-size:1.05rem}
  .nav__link::after{display:none}
  .nav__cta{margin:.6rem 22px;width:calc(100% - 44px)}
  .nav-toggle{display:flex}
  .grid--3{grid-template-columns:1fr}
  .grid--4{grid-template-columns:1fr}
  .section{padding:4rem 0}
  .hero__inner{padding:5rem 22px 4.5rem}
  .hero__actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}