:root{
  --preto:#0e0e0e;/*preto fosco*/
  --grafite:#2b2b2b;/*cinza grafite*/
  --verde:#0e3b2e;/*verde escuro*/
  --off:#f3f2ef;/*off-white*/
  --madeira:#c6a984;/*amadeirado natural*/
  --accent:#3b7a5c;/*hover*/
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.15);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Montserrat,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--preto);color:#fff;}

header{position:sticky;top:0;z-index:50;background:rgba(14,14,14,.7);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.5px}
.brand__logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--verde),#173e32);display:inline-block}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
nav a{color:#fff;text-decoration:none;font-weight:500;opacity:.9}
nav a:hover{opacity:1}

.hero{position:relative;isolation:isolate;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.75)),url('/assets/hero.jpg') center/cover no-repeat;}
.hero .inner{padding:96px 0 72px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.kicker{color:#c8ffea;text-transform:uppercase;letter-spacing:.2em;font-size:.8rem}
.title{font-size:clamp(28px,4vw,48px);line-height:1.1;margin:8px 0 14px}
.subtitle{color:#d7d5d0;max-width:56ch}
.cta-row{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.btn{appearance:none;border:0;cursor:pointer;border-radius:999px;padding:14px 20px;font-weight:600}
.btn--primary{background:linear-gradient(135deg,var(--verde),var(--accent));color:#fff;box-shadow:var(--shadow)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.16)}

section{padding:72px 0;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0))}
section:nth-child(even){background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,0))}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{margin:0;font-size:clamp(22px,3.2vw,34px)}
.section-head p{margin:0;color:#d0cfc9;max-width:70ch}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.card{grid-column:span 4;background:#141414;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card figure{margin:0;position:relative}
.card img{display:block;width:100%;height:260px;object-fit:cover}
.tag{position:absolute;left:12px;top:12px;background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.18);padding:6px 10px;border-radius:999px;font-size:.75rem}
.card .body{padding:14px 14px 16px}
.card .body h3{margin:0 0 6px;font-size:1rem}
.muted{color:#bdbbb5;font-size:.95rem}

.uploader{margin:14px 0 24px;border:1px dashed rgba(255,255,255,.25);border-radius:var(--radius);padding:16px}
.uploader input{display:block;width:100%;}

.about{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.about .box{background:#141414;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px}

.testi-list{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.testi{grid-column:span 4;background:#141414;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:16px}
.stars{color:#ffd166}

form{display:grid;gap:12px}
input,textarea,select{background:#121212;color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:12px}
textarea{min-height:140px;resize:vertical}

footer{border-top:1px solid rgba(255,255,255,.08);padding:28px 0;background:#0b0b0b}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}
.social a{color:#fff;opacity:.9;text-decoration:none;display:flex;gap:10px;align-items:center}
.social a:hover{opacity:1}

@media (max-width:980px){
  .hero .inner{grid-template-columns:1fr}
  .grid .card{grid-column:span 6}
  .about{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  nav ul{display:none}
  .grid .card{grid-column:span 12}
}