/* ARQUIVO: assets/css/main.css */
:root {
    --primary: #f0b90b;       /* Ouro Maind™ */
    --bg-dark: #0b1220;      /* Fundo Profundo */
    --bg-secondary: #0f1a2f; /* Cards e Header */
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    --container-padding: 5%;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body { 
    font-family: 'Inter', Arial, sans-serif; 
    background: var(--bg-dark); 
    color: var(--text-light); 
    line-height: 1.6;
}

/* Header com efeito de vidro ao rolar */
header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 1.2rem var(--container-padding); 
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav a { margin-left: 20px; color: #fff; text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
nav a:hover { color: var(--primary); }

/* Hero Section Fluida */
.hero { 
    position: relative; 
    height: 85vh; 
    display: flex; 
    align-items: center; 
    padding: 0 var(--container-padding); 
    background: url('/assets/img/hero-factory.jpg') center/cover no-repeat; 
}
.hero::after { content:''; position:absolute; inset:0; background:rgba(0,0,0,0.6); }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-content h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.1; margin-bottom: 1.5rem; }

/* Botões Profissionais */
.btn { padding: 14px 30px; border-radius: 4px; display: inline-block; font-weight: bold; text-decoration: none; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #000; }
.btn-secondary { border: 1px solid var(--primary); color: var(--primary); margin-left: 10px; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(240, 185, 11, 0.2); }

/* Grid de Cards (Tech-Stack / Governance) */
section { padding: 100px var(--container-padding); }

.stack-box {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}
.stack-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0