:root {
    --pink: rgb(242, 128, 149);        /* #F28095 */
    --blue: rgb(4, 178, 217);        /* #04B2D9 */
    --green-bright: rgb(191, 242, 5); /* #BFF205 */
    --green-muted: rgb(192, 217, 4);  /* #C0D904 */
    --orange: rgb(242, 80, 65);       /* #F25041 */
    --dark: #1e272e;
    --text: #2d3436;
}

* { margin:0; padding:0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }

body { color: var(--text); line-height: 1.6; background: #fff; }

.container { max-width: 1100px; margin: auto; padding: 40px 20px; }

/* Navigation */
nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 5%; background: var(--dark); color: white; position: sticky; top:0; z-index: 100; }
.logo span { color: var(--green-bright); }
nav ul { display: flex; list-style: none; gap: 20px; }
nav a { color: #fff; text-decoration: none; font-weight: 500; transition: 0.3s; }
nav a:hover { color: var(--blue); }

/* Hero */
.hero { background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1558002038-1055907df827?auto=format&fit=crop&w=1000') center/cover; height: 60vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: white; padding: 20px; }
.hero h1 { font-size: 3rem; margin-bottom: 10px; }

/* Cards & Sections */
.title { font-size: 2.2rem; margin-bottom: 30px; border-left: 8px solid var(--blue); padding-left: 15px; }
.white { color: white; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { padding: 30px; border-radius: 12px; color: #fff; }
.pink { background: var(--pink); }
.blue { background: var(--blue); }
.green { background: var(--green-muted); color: var(--dark); }

/* Protocolos */
.dark-section { background: var(--dark); color: white; }
.protocol-table { display: flex; flex-direction: column; gap: 10px; }
.p-item { padding: 15px; border-radius: 8px; background: rgba(255,255,255,0.05); }
.highlight-green { border-left: 5px solid var(--green-bright); }
.highlight-pink { border-left: 5px solid var(--pink); }
.highlight-orange { border-left: 5px solid var(--orange); }

/* Systems */
.systems { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.system-card { padding: 20px; border: 2px solid #eee; border-radius: 15px; transition: 0.3s; }
.orange-border { border-color: var(--orange); }
.recommendation { background: var(--green-bright); color: var(--dark); border: none; transform: scale(1.05); font-weight: bold; }

/* Logic Box */
.bg-logic { background: #f4f7f6; }
.logic-box { background: var(--dark); color: white; padding: 40px; border-radius: 15px; font-family: monospace; font-size: 1.2rem; }
.logic-line span { color: var(--green-bright); font-weight: bold; }
.note { margin-top: 15px; font-style: italic; color: #636e72; }

/* Responsive */
@media (max-width: 768px) {
    nav ul { display: none; }
    .hero h1 { font-size: 2rem; }
}

footer { background: #eee; text-align: center; padding: 30px; font-weight: bold; }