:root{
  --brand:#2e8b57;
  --muted:#6b6b6b;
  --bg:#f7fbf7;
}

*{box-sizing:border-box}
body{font-family:Inter, Arial, Helvetica, sans-serif;background:var(--bg);color:#222;margin:0;line-height:1.4}
.wrap{max-width:1000px;margin:0 auto;padding:1rem}
.site-header{background:var(--brand);color:#fff;padding:.6rem 0}
.site-header .wrap{display:flex;align-items:center;gap:1rem}
.logo{border-radius:6px;background:#fff;padding:6px}
.header-text h1{margin:0;font-size:1.4rem}
.header-text .tagline{margin:0;font-size:0.95rem;opacity:.95}

.main-nav{display:flex;gap:1rem;justify-content:center;padding:.6rem 0;background:#eaf6ec}
.main-nav a{color:var(--brand);text-decoration:none;font-weight:600}
.main-nav a:hover{text-decoration:underline}

main{padding:1rem}
.cards{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1rem}
.card{background:white;padding:1rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card img{max-width:100%;height:140px;object-fit:cover;border-radius:6px}

.projects-grid{display:grid;grid-template-columns:1fr;gap:1rem}
.project-card{background:white;padding:1rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.project-card img{width:100%;height:160px;object-fit:cover;border-radius:6px}

.fieldset, fieldset{margin-bottom:1rem;border:1px solid #e8f1ea;padding:1rem;border-radius:8px;background:#fff}

label{display:block;margin-top:.6rem;font-weight:600}
input,select,textarea{width:100%;padding:.6rem;margin-top:.3rem;border:1px solid #dfeee1;border-radius:6px}

.btn{display:inline-block;background:var(--brand);color:#fff;padding:.6rem .9rem;border-radius:6px;border:none;cursor:pointer;margin-top:.8rem}
.btn:hover{background:#3cb371}

.progress{background:#e6f2ea;border-radius:6px;height:16px;overflow:hidden;margin:8px 0}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--brand),#3cb371);width:0%}

.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.4)}
.modal[aria-hidden="false"]{display:flex}
.modal-content{background:#fff;padding:1rem;border-radius:8px;max-width:600px;width:95%}
.modal-close{background:transparent;border:0;font-size:1.2rem;float:right;cursor:pointer}

.site-footer{background:var(--brand);color:#fff;padding:1rem;margin-top:1rem;text-align:center}

/* responsivo */
@media(min-width:700px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .projects-grid{grid-template-columns:repeat(2,1fr)}
}