:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --docker-blue: #0db7ed;
    --text-main: #e6edf3;
    --text-dim: #8b949e;
    --accent: #2f81f7;
    --border-color: #30363d;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5; /* Un poco más compacto */
}

/* Header más ajustado */
header { padding: 20px 5% 0 5%; }
.back-link { color: var(--text-dim); text-decoration: none; font-size: 0.85rem; transition: 0.3s; }
.back-link:hover { color: var(--docker-blue); }

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px; /* Reducido de 40px */
    text-align: center;
}

/* Hero Section - Menos márgenes */
.hero h1 { font-size: 3rem; margin-bottom: 5px; letter-spacing: -1px; }
.subtitle { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 25px; }
.docker-logo { font-size: 4rem; margin-bottom: 5px; display: inline-block; }

.btn-primary {
    background-color: var(--docker-blue);
    color: #000;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
    display: inline-block;
}
.btn-primary:hover { background-color: #5ed4f7; transform: translateY(-2px); }

/* Terminal - Espaciado reducido */
.terminal-section { margin: 35px 0; } /* Bajado de 50px a 35px */
.terminal-window {
    background: #010409;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    text-align: left;
    overflow: hidden;
}
.terminal-header { background: #161b22; padding: 10px 15px; display: flex; align-items: center; border-bottom: 1px solid var(--border-color); }
.dot { height: 10px; width: 10px; border-radius: 50%; margin-right: 8px; }
.red { background: #ff5f56; } .yellow { background: #ffbd2e; } .green { background: #27c93f; }
.terminal-title { color: #aaa; font-size: 0.75rem; margin-left: 10px; font-family: monospace; }

.terminal-body {
    padding: 20px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
}
.terminal-body code { display: block; margin-bottom: 4px; }
.cmd { color: var(--docker-blue); }
.output { color: #27c93f; margin-top: 10px; }

/* Features Container - Más pegado a la terminal */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px; /* Bajado de 60px a 30px */
}

/* Feature Card - Recuperamos tu estilo de la imagen */
.feature-card {
    background: var(--card-bg);
    padding: 30px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: 0.3s ease;
}
.feature-card:hover { border-color: var(--docker-blue); background-color: #1c2128; }

.feature-icon { font-size: 2.2rem; margin-bottom: 15px; display: block; }

.feature-card h3 { 
    color: var(--docker-blue); 
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-dim);
    max-width: 250px;
}

footer { 
    margin-top: 50px; /* Bajado de 100px a 50px */
    padding: 25px; 
    border-top: 1px solid var(--border-color);
    color: var(--text-dim); 
    font-size: 0.8rem; 
}