/* Metal Power — site institucional (staging). Autor: Metalflow. */
:root{
  --c-ink:#17191d;          /* charcoal near-black (primary) */
  --c-ink-2:#22262c;
  --c-orange:#C25A1C;       /* barra laranja do logo */
  --c-orange-dark:#a94c14;
  --c-amber:#D89B10;        /* barra ambar do logo */
  --c-silver:#b9bdc2;       /* barra prata do logo */
  --c-bg:#fafafa;
  --c-surface:#fff;
  --c-text:#1c1f24;
  --c-muted:#6a7178;
  --c-border:#e3e7ec;
  --c-wa:#25d366;
  --max:1180px;--radius:10px;--shadow:0 2px 10px rgba(20,24,30,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.6}
a{color:var(--c-ink);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{color:var(--c-ink);line-height:1.15}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--c-border);box-shadow:var(--shadow)}
.site-header .wrap{display:flex;align-items:center;gap:16px;padding:10px 20px}
.logo img{height:38px;width:auto}
.site-header nav{display:flex;gap:20px;margin-left:22px;flex:1;flex-wrap:wrap}
.site-header nav a{color:var(--c-text);font-weight:500;font-size:15px}
.site-header nav a:hover{color:var(--c-orange);text-decoration:none}
.header-actions{display:flex;gap:14px;align-items:center}
.header-contact{display:flex;flex-direction:column;align-items:flex-end;gap:1px;line-height:1.3}
.header-contact .phone{font-size:13px;font-weight:700;color:var(--c-ink)}
.header-contact .mail{font-size:12px;color:var(--c-muted)}
.btn-wa-top{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--c-wa);color:#fff!important;padding:9px 16px;border-radius:8px;font-size:13px;font-weight:700;white-space:nowrap}
.btn-wa-top:hover{background:#1eb857;text-decoration:none}
.btn-wa-top svg{width:18px;height:18px;fill:#fff}
@media(max-width:980px){.header-contact{display:none}}
@media(max-width:760px){.site-header nav{display:none}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:14px;letter-spacing:.03em;padding:14px 26px;border-radius:9px;cursor:pointer;border:0;transition:transform .18s,box-shadow .25s,filter .2s;text-decoration:none!important}
.btn-primary{background:var(--c-orange);color:#fff!important;box-shadow:0 6px 16px rgba(194,90,28,.32)}
.btn-primary:hover{transform:translateY(-2px);background:var(--c-orange-dark);box-shadow:0 10px 24px rgba(194,90,28,.4)}
.btn-ghost{background:transparent;color:#fff!important;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{background:var(--c-ink);color:#fff!important}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-wa{background:linear-gradient(160deg,#25d366,#128c43);color:#fff!important;box-shadow:0 6px 16px rgba(37,211,102,.32)}
.btn-wa:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-wa svg{width:20px;height:20px;fill:currentColor}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;padding:96px 0 88px;overflow:hidden;background:#14171b}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,17,20,.94) 0%,rgba(18,21,25,.86) 42%,rgba(20,23,27,.55) 100%)}
.hero .wrap{position:relative;z-index:1;max-width:var(--max)}
.hero-kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--c-amber);display:flex;align-items:center;gap:14px;margin-bottom:22px}
.hero-kicker:before{content:"";width:38px;height:2px;background:linear-gradient(90deg,var(--c-orange),transparent)}
.hero h1{color:#fff;font-family:"Big Shoulders Display",Inter,sans-serif;font-weight:800;text-transform:uppercase;line-height:.96;letter-spacing:.005em;font-size:clamp(40px,6vw,74px);max-width:14ch;margin-bottom:18px}
.hero h1 .accent{background:linear-gradient(100deg,var(--c-orange),var(--c-amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-slogan{font-size:20px;font-weight:600;color:#fff;margin-bottom:12px}
.hero-lead{font-size:17px;color:#c9cfd6;max-width:56ch;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{position:relative;z-index:1;display:flex;gap:34px;flex-wrap:wrap;margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-strip div{color:#c9cfd6;font-size:14px}
.hero-strip strong{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:2px}
@media(max-width:600px){.hero{padding:60px 0 54px}.hero-slogan{font-size:17px}}

/* ---------- generic sections ---------- */
.section{padding:72px 0}
.section.alt{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--c-orange);font-weight:500;margin-bottom:10px}
.section-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:800;margin-bottom:14px}
.section-head p{font-size:17px;color:var(--c-muted)}

/* feature blocks (home) */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.feat:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(20,24,30,.12)}
.feat-thumb{aspect-ratio:16/10;background-size:cover;background-position:center;background-color:#eceff3}
.feat-body{padding:22px 22px 26px}
.feat-body h3{font-size:20px;margin-bottom:10px}
.feat-body p{color:var(--c-muted);font-size:15px}
@media(max-width:820px){.feat-grid{grid-template-columns:1fr}}

/* materials chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px}
.chip{background:#fff;border:1px solid var(--c-border);border-radius:999px;padding:10px 20px;font-weight:600;font-size:15px;color:var(--c-ink)}
.chip .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle}

/* product grid */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.prod{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.prod:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(20,24,30,.12);border-color:var(--c-orange)}
.prod-thumb{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:#eceff3}
.prod-body{padding:15px 16px 18px;flex:1;display:flex;flex-direction:column;gap:4px}
.prod-body strong{font-size:15px;color:var(--c-ink);line-height:1.3}
.prod-body span{font-size:12.5px;color:var(--c-muted)}

/* CTA band */
.cta-band{background:linear-gradient(115deg,var(--c-ink),#2a2f36);color:#fff;padding:64px 0;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,36px);margin-bottom:12px}
.cta-band p{color:#c9cfd6;font-size:17px;margin-bottom:28px;max-width:60ch;margin-left:auto;margin-right:auto}
.cta-band .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* two-column content (sobre) */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:0 16px 40px rgba(20,24,30,.16)}
.split h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-bottom:18px}
.split p{color:#41474e;font-size:16px;margin-bottom:14px}
.split .lead{font-size:19px;color:var(--c-ink);font-weight:600}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:30px}}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.value{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:26px 22px}
.value .n{font-family:"Big Shoulders Display",sans-serif;font-size:34px;font-weight:800;color:var(--c-orange);line-height:1;margin-bottom:10px}
.value h3{font-size:18px;margin-bottom:8px}
.value p{color:var(--c-muted);font-size:14.5px}
@media(max-width:820px){.values{grid-template-columns:1fr}}

/* ---------- contato ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:44px;align-items:start}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:30px}}
.contact-info h3{font-size:20px;margin-bottom:18px}
.contact-info .line{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}
.contact-info .line .ic{flex:none;width:40px;height:40px;border-radius:9px;background:#fff;border:1px solid var(--c-border);display:flex;align-items:center;justify-content:center;font-size:18px}
.contact-info .line b{display:block;color:var(--c-ink);font-size:15px;margin-bottom:2px}
.contact-info .line span,.contact-info .line a{color:var(--c-muted);font-size:14.5px}
.map{margin-top:8px;border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden}
.map iframe{width:100%;height:220px;border:0;display:block}

.quote-form{background:#fff;border:1px solid var(--c-border);border-radius:14px;padding:30px;box-shadow:var(--shadow)}
.quote-form h3{font-size:20px;margin-bottom:6px}
.quote-form .sub{color:var(--c-muted);font-size:14px;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink);margin-bottom:5px}
.field .req{color:var(--c-orange)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;font-size:14px;font-family:inherit;color:var(--c-text);border:1px solid var(--c-border);border-radius:8px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-orange);box-shadow:0 0 0 3px rgba(194,90,28,.12)}
.field textarea{min-height:96px;resize:vertical}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.form-note{font-size:12.5px;color:var(--c-muted);margin-top:14px;line-height:1.5}

/* ---------- footer ---------- */
.site-footer{background:#111418;color:#9aa2ab;padding:56px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:34px}
.footer-grid img.flogo{width:190px;margin-bottom:16px}
.footer-grid p{font-size:13.5px;margin-bottom:7px}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:13px;font-weight:700;letter-spacing:.02em}
.footer-grid a{color:#9aa2ab;font-size:13.5px}
.footer-grid a:hover{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#7b828b}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* floating whatsapp */
.wa-float{position:fixed;bottom:22px;right:22px;z-index:99;width:56px;height:56px;border-radius:50%;background:var(--c-wa);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.28);transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}