/* Tecnomecânica — Serviços Navais e Industriais */
:root{
  --azul:#1c3a5e;        /* azul-marinho do logo */
  --azul-2:#28527f;
  --aco:#64748b;         /* aço */
  --laranja:#d96f1e;     /* laranja do logo */
  --claro:#f1f5f9;
  --branco:#ffffff;
  --texto:#1e293b;
  --texto-2:#475569;
  --borda:#e2e8f0;
  --sombra:0 4px 20px rgba(15,58,74,.08);
  --raio:12px;
  --max:1160px;
  --ff:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--texto);line-height:1.6;background:var(--branco);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul-2);text-decoration:none}
h1,h2,h3{line-height:1.2;color:var(--azul);font-weight:700}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--azul);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:8px;top:8px}
.ic{width:16px;height:16px;fill:currentColor;vertical-align:-2px}

/* Botões */
.btn{display:inline-block;background:var(--laranja);color:#fff;padding:14px 26px;border-radius:var(--raio);font-weight:600;border:2px solid var(--laranja);transition:.2s;cursor:pointer}
.btn:hover{background:#ea6a0d;border-color:#ea6a0d;transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:.92rem}
.btn-light{background:#fff;color:var(--azul);border-color:#fff}
.btn-light:hover{background:var(--claro);border-color:var(--claro)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* Topbar */
.topbar{background:var(--azul);color:#cfe3ea;font-size:.86rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 20px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar-contatos{display:flex;gap:18px;align-items:center}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:var(--sombra)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;gap:16px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:62px;width:auto;display:block}
@media(max-width:480px){.logo img{height:46px}}
.nav-main ul{display:flex;align-items:center;gap:6px;list-style:none}
.nav-main a{color:var(--texto);font-weight:600;padding:10px 14px;border-radius:8px;display:block}
.nav-main a:hover,.nav-main a.on{color:var(--azul-2);background:var(--claro)}
.nav-main .nav-cta a{color:#fff}
.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:var(--azul);border-radius:2px}

/* Hero */
.hero{position:relative;background:linear-gradient(120deg,var(--azul) 0%,var(--azul-2) 100%);color:#fff;padding:84px 0;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 12px,transparent 12px 24px);pointer-events:none}
.hero .container{position:relative;z-index:1;max-width:820px;text-align:center}
.hero h1{color:#fff;font-size:2.5rem;margin-bottom:16px}
.hero .sub{font-size:1.25rem;color:#d7ecf3;margin-bottom:14px}
.hero p{color:#c4dde6;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Seções */
section{padding:64px 0}
.section-title{text-align:center;font-size:2rem;margin-bottom:8px}
.section-sub{text-align:center;color:var(--texto-2);max-width:640px;margin:0 auto 40px}

/* Trust */
.trust{background:var(--claro);padding:40px 0}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.trust-item{text-align:center}
.trust-item strong{display:block;font-size:1.5rem;color:var(--laranja)}
.trust-item span{color:var(--texto-2);font-size:.95rem}

/* Cards de serviços */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--borda);border-radius:var(--raio);padding:28px;transition:.2s;box-shadow:var(--sombra)}
.card:hover{transform:translateY(-4px);border-color:var(--azul-2)}
.card .card-ic{width:76px;height:76px;border-radius:14px;background:var(--claro);display:grid;place-items:center;margin-bottom:16px}
.card .card-ic img{width:52px;height:52px;object-fit:contain}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--texto-2);font-size:.96rem}

/* Diferenciais */
.dif{background:var(--claro)}
.dif-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dif-item{background:#fff;border-radius:var(--raio);padding:24px;text-align:center;box-shadow:var(--sombra)}
.dif-item .num{width:44px;height:44px;border-radius:50%;background:var(--azul);color:#fff;display:grid;place-items:center;margin:0 auto 14px;font-weight:700}
.dif-item h3{font-size:1.02rem;margin-bottom:6px}
.dif-item p{color:var(--texto-2);font-size:.9rem}

/* Empresa: missão/visão/valores */
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:16px}
.mvv-card{border:1px solid var(--borda);border-top:4px solid var(--laranja);border-radius:var(--raio);padding:28px;background:#fff;text-align:center}
.mvv-card img{width:72px;height:72px;object-fit:contain;margin-bottom:12px}
.mvv-card h3{margin-bottom:10px}
.prose{max-width:780px;margin:0 auto;color:var(--texto-2)}
.prose p{margin-bottom:16px}

/* CTA banner */
.cta-banner{background:linear-gradient(120deg,var(--azul-2),var(--azul));color:#fff;text-align:center}
.cta-banner h2{color:#fff;font-size:1.8rem;margin-bottom:10px}
.cta-banner p{color:#d7ecf3;margin-bottom:24px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Contato */
.contato-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.form-box{background:#fff;border:1px solid var(--borda);border-radius:var(--raio);padding:32px;box-shadow:var(--sombra)}
.form-box h2{font-size:1.5rem;margin-bottom:6px}
.form-box>p{color:var(--texto-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.92rem}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--borda);border-radius:8px;font:inherit;background:#fbfdff}
.field input:focus,.field textarea:focus{outline:2px solid var(--azul-2);border-color:var(--azul-2)}
.field textarea{min-height:120px;resize:vertical}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.captcha-row{display:flex;align-items:center;gap:12px}
.captcha-q{font-weight:700;background:var(--claro);padding:10px 14px;border-radius:8px;white-space:nowrap}
.info-box{background:var(--azul);color:#fff;border-radius:var(--raio);padding:32px}
.info-box h2{color:#fff;font-size:1.35rem;margin-bottom:18px}
.info-box ul{list-style:none;display:grid;gap:14px}
.info-box a{color:#fff}
.info-box .lbl{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;color:#9fc4d1}
.map-wrap{margin-top:22px;border-radius:var(--raio);overflow:hidden;line-height:0}
.map-wrap iframe{width:100%;height:220px;border:0}

/* WhatsApp float */
.wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;background:#25d366;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.25);z-index:200}
.wa-float svg{width:34px;height:34px;fill:#fff}
.wa-float:hover{transform:scale(1.06)}

/* Footer */
.site-footer{background:var(--azul);color:#c4dde6;padding-top:52px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-col h3{color:#fff;font-size:1.05rem;margin-bottom:14px}
.logo-footer{background:#fff;padding:10px 16px;border-radius:10px;display:inline-block}
.logo-footer img{height:46px;width:auto;display:block}
.footer-col p{font-size:.92rem;margin-top:14px}
.footer-contact,.footer-links{list-style:none;display:grid;gap:10px;font-size:.92rem}
.footer-contact a,.footer-links a{color:#c4dde6}
.footer-contact a:hover,.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:#9fc4d1}
.footer-bottom a{color:#fff}

/* Responsivo */
@media(max-width:900px){
  .cards,.dif-grid{grid-template-columns:repeat(2,1fr)}
  .mvv,.contato-grid,.footer-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr;gap:16px}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-main{position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:var(--sombra);max-height:0;overflow:hidden;transition:max-height .3s}
  .nav-main.open{max-height:420px}
  .nav-main ul{flex-direction:column;align-items:stretch;padding:10px}
  .hero h1{font-size:1.9rem}
  .hero .sub{font-size:1.1rem}
  .footer-bottom .container{flex-direction:column}
}
@media(max-width:480px){
  .cards,.dif-grid{grid-template-columns:1fr}
  section{padding:48px 0}
  .topbar-inner{justify-content:center;text-align:center}
}